Sunday, October 17, 2010

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the moment when you think nothing is important
the moment that you have the time in solitude

you hate the moment that makes you hate yourself
the time when you have not realized what I was going
the moment when someone thanked
the moment when you said thanks to someone, but that does not I heard
the time when you have greeted someone who did not know
time you
that marked the day when you smiled
the moment when you feel stronger than before and move on when the

you get up again the moment when you realize the
to be bigger when you hold in your arms someone
the moment when you feel good about yourself
the time when you do a favor to others
the moment in early to love

Thursday, July 22, 2010

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embed youtube video

a new way to embed a web page of your video youtube

\u0026lt;iframe class = "youtube-player" type = "text / html" width = "640" height = "385" ; src = "http://www.youtube.com/embed/VIDEO_ID" frameborder = "0">
\u0026lt;/ iframe>

you avoid using the iframe incopatibilità with w3c and in my opinion much more elegant and the usual crazy intersection

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four good tips

1. If one of your return values \u200b\u200bare the status codes that indicate the success or failure of the method, remove immediately. Replace them with exception handling that throws an exception if the method is not completed successfully. The exception is a standard way to handle error conditions, can be more expressive, and removes one of your return values.
2. Find related groups of values \u200b\u200breturned encapsulated in objects that contain every piece of information as fields. classes for these objects can be expanded to encapsulate their behavior as a result, to further improve the design of the code. Each set of values \u200b\u200brelated to repatriation that are enclosed in an object removes the values \u200b\u200breturned by the method, increasing the level of abstraction interface of the method. For example, instead of passing the X and Y with respect to enable them to be returned, create a class variable Point, pass a reference to an object by value and update the values \u200b\u200bof the object within the method.
3. If you are passing in an object and then return a new version of that object and the object is mutable, then consider moving the method to a class member of that we passed. This can improve the encapsulation of design and to simplify the interface.
4. If, after all the steps above, you are still left with more returns to a method, the method of division into different methods that each return a part of the answer. Using this set of methods from client code will be much lighter than a mega-way.

Friday, July 16, 2010

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java design pattern

http://msdn.microsoft.com/it-it/library/cc185081.aspx
simple introduction to the world of design patterns, but it's something many of you use them but do not realize it (eg $ db in a PHP application used to access a database throughout the code of the application is a singleton, ie a particular type of design pattern).

Friday, July 9, 2010

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victory!

http://softwarelibero.it/abbiamo_vinto_it

The Ministry of Labor withdrew the ban contested by the Free Software

do not have to wait until the final ruling in appeal No. 3838/2006 before the TAR of Lazio sponsored by Free Software against the Ministry of Labour and Social Policy [...]

Friday, June 18, 2010

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100 young chess insights

to mark the centenary, Confindustria has decided to pay particular attention to young people and their transition from academia with the Labour, promoting an initiative aimed at 100 young people with high potential.

The initiative is aimed at encouraging the integration of young graduates into the system of representation, supporting them in understanding the dynamics of organizational and institutional networks of association.

Recipients

100 young graduates interested in developing a functional view of the Italian company and its system of representation.

Admission Procedures

apply for participation

Screening Cv

Written

interview

Times

n July 24, 2010: Deadline bandon September-October 2010: selection

n October-November 2010: Start training

Curriculum

n 12-month internship to be performed at one or more sites of the System of Representation

n 8 days of classroom training

n Distance learning

n tutoring and counseling during the course

Facilities

For the 100 participants, in addition to coverage of the participation fee of 4,000 euro, will receive a guaranteed wage of 1,000 euro gross overall.

Contact: centogiovani@confindustria.it

Wednesday, June 2, 2010

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14) The three magic letters of the digital age: KPI

The three magic letters of the digital age: KPI stands for Key Performance Indicators that these are indices that measure / monitor progress and performance of the business process. Can be displayed within reports, dashboards and portals, through data access APIs and tools by Microsoft and third parties.
Kpi A simple object is composed of the basic information (name and description of the KPI), objective (a number that quantifies the assessment of business results), the actual value attained by a state value, by a trend value and a folder that displays the KPI. Summarising the
Kpi: *
are not numbers, but metrics (rates, average percentages, ratios) related to business objectives;
* summary indicators are useful for understanding the level of performance (strategic) reached with respect to business objectives;
* are used and used in the field of Business Intelligence , and are used to make decisions, to take corrective action and improvement.

tmonitorare In an organization may need different levels / activities of business processes and thus can be used two or three key performance indicators to evaluate the success of the company, but these indicators are valid for the entire company could be based on three other or four performance indicators calculated from key business units in the company -> it is possible to define a parent-child relationship between key performance indicators that allow you to use the results of key performance indicator son (business unit) to calculate the indicator results Key Performance father (business performance). A KPI to be used and measure the phenomenon of interest, providing useful results properly addressing strategic business generally meets the 5 criteria SMART: Simple Measurable Achievable Relevant Time specific .
to go out which KPIs can be very suitable for measuring the performance of a unit or the entire business process of a company, you must consider the different parameters that contribute to total value to control significant to the business. Almost always, you must follow the so-called "onion approach": the most obvious and immediate objectives are almost always those of less interest; have the objectives to be achieved by a number of further sub-cascade, in varying numbers, the innermost layer can hide the source of more objective testing of greater importance. Very useful, I'd turn out to be essential to carry out a Web Analytics, whose goal is to precisely measure the performance of any website. A Kpi must indicate the value of a variable (usually expressed as a number percentage) should be temporal , quidni should allow comparison of the same value over time, and must meet a ' targeted action to deal with certain phenomena observed.
Ex: taldetali on the site were found, in May, down conversion rate of 30%. Kpi for a site:
-lead generation whose goal is to have qualified leads: single access ratio (num visits a page / Total num of hits), traffic concentration (num visitors p. 1 / number of visitors);
-and medium of content that needs to optimize the traffic on site: vitits / visotor, new visitors%
-customer support : visits / visitors, satisfaction index;


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13b) Business Information Systems: ERP & CRM

Change management requires a program specificosuddiviso projects in each of which directs a lever for change. Originally born as a mainframe computer and are in the 70s. Only a decade later we can talk about the first integrated system for management planning of activities and resources. In '93 we DEVELOPING optics client / server enterprise-wide also. A company that operates the E-Business is characterized by the use of different information systems key (= the interconnected system of elements that collect, analyze and distribute data to support decision making and transform them into knowledge):
ERP , Entrerprise Resocurce Planning, is a complex set of planning tools, planning and foresight which objective is to improve the decision making process for all those who are involved, from producer to customer. It 'a system designed in Compur based client / server or web, to process transactions for the organization and enable real-time integration of data from all business processes (planning / production) data from the environment outside. Software packages are structured into modules for each specific activity, but which are closely interrelated and that eventually merge into a single database. For each activity, identify what needs to erp, how much profit, cost, time to get it ..
CRM, Customer Mangement Reletionship, before becoming a software company but it is a real business model that involves both information systems as the organization. A good CRM system includes a number of facilities both in the front office (in relation with the outside, with the client), both in terms of back office for analyze and measure data and results. It 'also true that in seeking a relationship with your customer does not need complicated software ever!
The structural components of a CRM strategy are:
analysis and management of customer relationships : customer contact and needs analysis through multiple tools such as emails, letters, phone calls, sms and so on. The contact is so important then to proceed to the mapping of each customer and organize all information gathered in a structured database. This information is invaluable because you can know and, if possible, anticipate customer needs.
The development of content and personalized services : The data collected are useful for statistical managed to segment customers into specific steps. Once organized, you can proceed with the analysis of data to develop a communication and offer commercial and personal. The infrastructure : activation of tools that help in this process of customer management.
analysis tools and profiles of the phenomena known are DATAMINIG and OLAP. For example, with the first going to extract the information, behavioral profiles, trends unknown a priori from the data.
CRM Web 2.0 This simple puzzle describes as the era Web 2.0, the customer is always at the center, but is surrounded by the authorities and its contents. E-CRM, unlike traditional CRM (software installed on the local server and then used only inside the company) can have on a web technology that made the information accessible from any constraint independent physical / structural. It 'a field of application of information technology that uses complex Internet technologies (web, e-mail, FTP, streaming video, etc.)..

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13th) Excel, Access and PowerPoint.

The best software is what makes the things we need, then you should first understand what we need a certain program. Made microsubstances by and included in the package are Microsoft Office Professional:
EXCEL, is a software product that allows you to create tables, calculate and analyze data, create spreadsheets and work on numerical values \u200b\u200bentered, providing automatic result of the formulas also very articulate, print tables with a clear layout and graphics to create very complex. In short, a tool that greatly simplifies working life and university in this case. You can always work on one piece in which, quite friendly but professional, here are bits of text, graphs, tables, calculations and images, making the machine do all those calculations you takes time.
ACCESS is a relational database management system. You can use data stored in Access / Jet, SQL Server, Oracle ... Can be used at different levels and experts from software developers, both novice programmers to develop applications very complex. Access
In a single file includes all the tools for developing applications: tables, queries, forms, reports.
POWERPOINT, born to create presentations based on slides (or transparencies) or better to present information effectively and professionally.

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12) report output and Query Join

The Query Join ..
to understand what a union query, we can think of these two tables as if they were two sets: set A =
Table 1 and Table 2 with B =
intersecting the two together you are seeking: a shared area and two separate areas. The different types of joins involved in these select areas estrapolondo different result sets. On the basis of whether or not the condition (WHERE), the Inner Join returns only the existing record occurred in both tables, all those rows that have no correspondence will be excluded. In the case of the sets are going to consider only the part that overlaps. In the case of the table we have: 1 -> architecture -> gino -> 1
The outer join returns all records that do not match the search keywords. It 's the opposite of inner join. In fact it uses together with left / right becoming left outer join or right outer join. In the case of bodies to better understand, everything that is selected is out dall'intersecazione (on the right or / and left).
The left outer join, put together the concept of inner join and outer join. The result obtained is the selection of all records of table A and B that match the table, the more records in Table A that do not match. The records that do not match are valued at null. There is also a right outer join, but normally not in use and to obtain the same result can change the order of tables.
remember that every object within a database can be any object can be created, stored, used, modified, and using tables, forms and queries can also edit the data. (Types of objects in a DB: - tables: data containers, relational-query: data operations, consultation, or change tabs: visual interfaces for accessing data-report: production of macro-prints: sequences of operations pre-registered and re-execute a command-modules: applications programmed). A
Query on multiple tables has, like automatic join predicates, relations defined on the DB but in the absence of predefined reports the join predicates are established as graphically reports (they set up the referential integrity constraints: one by one and many to many. When updating and deleting a record, you can request to update or prevent 'operation).
The results of a query is a view of data that can be manipulated as a table. The views obtained from query clusters can not be changed while the views to query via joins are directly editable. The
REPORT instead is the tool we need for print production, to customize the headers, to define groups and subgroups, to calculate totals on the groups.
STATISTICAL REPORTING: It 's the first type of application of decision support. Usually consists of a program / script that retrieves the operational data via a language such as SQL presentado doing some processing and so the result table. It 'called static because the logic and the output format is defined once and for all and requires a programmer to be changed.



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11b) Query Types and Aggregate Functions

A query is a specific request for recovery, creating, changing or deleting data in a database. There are several types of queries: Query
The selection, ie those that retrieve data from one or more tables and display the recordset in a datasheet. You can also use a select query to group data and calculate sums, counts, averages, and other types of totals. A
Query parameter displays when running a dialog box that prompts you to enter information to be used as criteria of the query. You can design a parameter query so that strings are in demand for information, for example, two dates. Then Access will retrieve all data with values \u200b\u200bbetween those two dates.
A Crosstab Query have a recordset in order to facilitate the display, using row and column. You can view the data in terms of two categories at a time. The
queries, ie those procedures that insert, modify or delete data. This type of query creates a new table or modify an existing table by adding data, deleting data or updating it, is particularly powerful, as it actually changes the table data.
Among the latter we have:
- Append Query values. Create a new line and insert literal values \u200b\u200bin specific columns.
- Append Query . Create new rows by copying existing rows from a table in another, or in the same table.
- Update Query
. Changing the values \u200b\u200bof individual columns in one or more existing rows in a table.
- Delete Query
. Removes one or more rows from a table. ( A Delete query removes entire rows from the table. To delete values \u200b\u200bfrom the individual columns of data, use an update query).
-
table query. Create a new table with rows that are copied to the query results.

When we synthesize data from a table, we can create an aggregate query that will run once a single line with the summary information. The
Aggregate Functions are functions native to standard SQL that allow us to obtain numerical values \u200b\u200band / or perform calculations according to specific queries. Allow both to perform statistical calculations on the data of compattattare data for certain values. The main functions:

  • SUM - Calculates the sum of the values.
  • AVG - Calculate the mean (average) values.
  • MIN - Extracts the minimum value.
  • MAX - Extract the maximum value.
  • COUNT - Count the number of values.
  • STDEV - Computes the standard deviation.
  • VAR - Calculate the variance of values.
  • FIRST - Returns the first value.
  • LAST - Returns the last value.
E 'possible to calculate the total number of members to Wisdom in the current year, creating a table through a query Iscritti_tot going to add up the column data members. The iscruzione in SQL would be as follows:
Select Sum (wisdom) iscritti_tot
From Registered

Tuesday, June 1, 2010

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7b) DBMS Industry! Open Source and proprietary software.

A DBMS is a software system that allows you to create and manage a database, check organization, storage, retrieval of data within a database, its security and integrity; is designed for multi-users, plays a key role in many computer applications (from accounting and the management of human strength, to network management or telephony). The functionality of a database depends essentially on its design: the correct identification of the objectives of the database tables and then to be defined through their fields, and relationships that bind them, allows a faster data extraction and management more efficient.
The DBMS is composed of a data model, ie a set of concepts used to organize data of interest and describe the structure so that it is comprehensible to a computer. Each data model provides mechanisms structuring, similar to the type constructors of programming languages, which allow you to define new data based on predefined elementary types. Attualmento the relational model of data is the most portable, allowing you to define types using the constructor report with which you can organize your data in record sets a fixed structure. The report is then usually represented in the table. The languages \u200b\u200bfor databases are divided into those languages \u200b\u200bthat define the Data Definition Language (DDL) and those that allow data manipulation Data Manipulation Language (DML). Some languages, such as SQL, have both characteristics. SQL is a language through the use of queries, questions and runs the database. It 's designed to read, modify and manage data stored in a system based on relational model, to create and edit Schima database and tools to create and manage and control access to data.
DBMS. proprietary software.
DB2 is IBM's relational DBMS, one of the first to use the SQL language. It 'an object-relational DBMS (in object-oriented programming, each "object" typically contains other. Ex: the object containing the student Marta Zappala will contain a reference to the "Qualification"). DB2 DBMS today is the first hybrid that combines the relational model, a technology that provides the ability to save info in fields of type XML allowing interrogation of databases with XQuery. IBM has released a free version of DB2 Express your dataserver, available for Linux, Mac OS, Windows .. has the same standard features of commercial versions, but uses a maximum of two CPUs and up to 2GB of ram independently of the hardware you have.
(INFORMIX RDBMS is now an IBM.)
Access is a relational database management system produced by Microsoft Office included in the package. It can be used in two ways: as manager of independent databases on a PC and an interface to other systems. The more widespread use and the best balance between performance / cost corresponds to a post addressed to desktop applications designed for LAN with less than ten users. Although in the end it is still much used as a Front-Editor to Database Server for multi-user applications to large.
Oracle is one of the most famous model-based relational DBMS (RDBMS) produced by Oracle Corporation. It 'a system of management of databases and has been written in C. The database engine can support a wide range of platforms (some platforms and Linux operating systems, Sun Solaris, Microsoft, IBM ..)
DBMS. OPEN SOURCE.
SQL Pico is the first Italian Open Source relational database, is produced by PicoSoft of Pisa. To download the software requires no registration. Its main features compared to competing products are compact, low memory usage and resources, and ease of installation and configuration. Despite this PicoSQL supports the SQL language with all its features and maintains high levels of competition, and transactions.
MySQL is a relational DBMS product from Oracle Corporation, included in the LAMP platform, which stands for Linux, Apache, MySQL, PHP. one of the most use to create dynamic Web sites and applications. Wikipedia sites are managed by the MediaWiki software that is based on a MySQL database.
SQLite is a software library written in C language Its creator has released into the public domain, making it usable without any restriction. SQLite allows you to create a database (including tables, queries, forms, reports) incorporated into a single file, as in the case of modules Microsoft Office Access and of OpenOffice.org Base. SQLite is not a standalone process used by itself, but it can be embedded within another program. (It is used in Mozilla Firefox to store bookmarks, browsing history and other information.)

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7) Information System. Insights and Definitions. Federated DBS, DataMart, DSS, dashboard, dashboards ... the more you have, and so forth!

A Information System is a set of structured documents produced and used by a business and management processes who treat them. Given the rapid pace of contemporary times companies must be able to respond to problems / needs / imprevisti..ai simple and countless changes in the market, with alacrity, and this is possible if the company is provided with an information system able to process information in real time. How does Wikipedia summarizes the information system is the " nervous system of the same" at the base of which there are data, information and processes to manage them. When we talk instead of computer technology and automation, computers and electronic data transmission procedures .. it is called computer system.
The information system consists of: a part of the computerized information system called the company and of a non-automated (front and telephone conversations, the paper-structured and unstructured, the business organization, the practice, practice decision). The components (whether computerized or not) of an information system can be divided into two categories according to their purposes:
- support of operational . Archive, processing and management information for the conduct of everyday life.
- decision support. The management, production and storage needed to support managers in the strategic choices. The SIA is the set of tools to manage an automated information organization. E 'consists of: Applicazionali Transactional: These are the computer systems and procedures support the daily operational activities. Decision Support System (DSS), systems and computer procedures to support the strategic choices of managers. This category includes applications of static reports, applications, data warehousing and data mining applications.
Although the gaming information is independent of its automation, its computer system used almost always use one or more databases for storing and finding information, and special software for the integration and management of these .
DATABASE: Stock structured in such a way as to allow access and management of data by specific software applications dedicated to them. The database is a collection of information, data that are divided by subject in order logical (tables) and then these topics are divided into categories (fields).
Concept related to this concept is to federated database that could be defined as a meta DBMS (software system that enables the creation and efficient management of data in a database) that integrates different and autonomous databases in a single federated database . These databases are linked together through a network of computers. Federated database systems provide a user interface front-end (network interface on which a service is delivered and stating user access) which allows you to store and retrieve data are not contiguous with a single database query, broken down into sub-queries to go to heterogeneous database query.
The use of new and Enterprisewide Systems such as ERP (integrated management of all internal resources), CRM (manages relationships with clients), SCM (operates in an integrated and process-oriented supply , production, delivery of products and customer service) .. that allow the normalization of the data, avoiding duplication and inconsistencies of these, providing an overview of the unique, distinguished systems for managing transactional (OLTP = Online Transaction Processing) and data analysis (OLAP = OnLine Analytical Processing) ..

Of DataMart has already been discussed, but it takes nde r and the concept in a post on the information system seems almost obligatory. Briefly define a DataMart is a DataWarehouse small that specializes in a well-defined area of \u200b\u200bactivity (ie data marts for marketing that enable the analysis of clients). It 'a collector of data and information about a particular subject and allows you to formulate strategies through the analysis of data and trends from the past. Usually part of a DataWarehouse most complete and comprehensive and therefore we say, a logical and physical subset of this. A
DSS or Decision Support System, is a support system decision-making. It is part of the information system and not just one computer, as it is not only a computer application contains tools but smart business. Its objective is to increase the effectiveness of business decisions. E 'created to help identify and select relevant information from unstructured information (from documents, from personal knowledge and experiential, contracts ..) so as to provide them with economic value, transformed into knowledge. This category includes applications of static reports, applications, data warehousing and data mining applications.
A Digital Dashboard is a gaming information Executive simple and easy to read, providing the information necessary to "lead" the business. It 's designed to monitor flow of business processes, making it possible to keep an eye on the contribution of the various services to measure how you are performing a specific task, such as going to a department or how it moves to the global organization , providing a "snapshot" of performance. The main dashboards hours on the market there are stand alone applications (operating system, program, or video game device that can operate independently and therefore does not require the normal installation to be started), based applications web browser (all web-based distributed applications. Es: Wikipidia) and desktop widgets ( word formed from the merger of Windows + gadget that indicates a class of mini-applications, each of which made for a single purpose. Most of the widgets are displayed on the screen on the desktop but can also be in the form of widgets that extend the capabilities of software. Es: meteoreologiche to see the conditions of your location is no longer 'need to navigate the site because all weather that is needed is already visible on the desktop. There are also widgets earnest little toys like Sudoku or those that indicate how far the mouse has traveled a working day).
.. Dashboard is an application developed by Apple Mac Oc, which allows after pressing a button to access a series of small applications, fun and functional, called widgets. Widgets can be for example your address book and iTunes, respectively, through which you can access your contacts and music, without having to go to the full application.

Saturday, April 24, 2010

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Modernism

The quest for beauty has always brought people to a thorough study of what the look would give it to them in practical terms. Going by
order to understand how we can what is beautiful and that is a pure intuition of the human eye in front of an aesthetic formalism that responds structurally to the artistic demands often personal.
A beauty so subjective that relies on the formal expression of a pure intuition. Purity
behind the objectivity of a work studied; just because pure, this work should be complete in all its parts as it can be judged.
rating that has non-trivial cases such as the completeness and purity guess.
would not be that if the work was not done. Just because "an aesthetic evaluation can take place when the human mind perceives a sequence of elements, such as a sequence of notes in the case of a musical composition, colors in the case of painting, or spaces in the case of architecture" ( JF Herbart). It must be said that a review of any kind it is, can not reveal Himself in a state of absolute indifference, objectivity in the face of that work which is to analysis, in order to maintain a balance of mind that transcends of excitement and melancholy. But let

step back ... or better try to understand we live in that era ...

Until a few centuries ago, the benchmark for any architecture was the classic, the story, that the fixed point which served as a mediator between the theory and practice of architecture. In the last period face off in a completely different way these design aspects. The knot that holds together the architect at the architectural thinking is the social function that the work will be the first. This implies a design approach that puts first the problem of the generic form that responds to social needs. And the result of what it finds in modernity.

It 'important to understand what because it means that you will lose the value of the building as a formal one, as an entity isolated from the context. "In practical terms it is clearly impossible to create a specific building with the objective set an absolute goal, as each new unit will not only change the existing order, but also change, with its very presence, any future unity" (P. Eisenman)

I agree with Rowe when he declared that nothing more could happen in architecture after 1965, ie after the death of Le Corbusier. Rowe interprets it as the work of the Swiss was the culmination of the "most sophisticated modernist formalism. "

Nowadays we might very well make up for the Kantian thought that what is central to the idea of \u200b\u200bform is the process of understanding intended as a pure form of intuition or as a form of thought, namely as a process through the conceptual which are mediated the different forms of intuition. For Kant the concept of form does not refer to the phenomenology of the superficial things, but the process of formation of the representation of the objects of nature. As argued by Gasco, the idea of \u200b\u200bform is the process of synthesis, without which no sensible intuition, and no cognitive process may arise.

Thursday, March 18, 2010

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5-6) STORE, ORGANIZE & MANAGE DATA: DW, data mart, OLAP and OLTP

A DATA WAREHOUSE is a collection of integrated, subject oriented, time variant and non-volatile support decision-making. (Bill Inmon) In
pills
* DW uses data from multiple databases,
* The DW ORIENTED TO SUBJECT . The data are organized by subject (or arguments) of the principal. (Eg Purchasing, Sales, Diagnosis). Each individual is represented abstractly as a ndimensionale cube (hypercube) . For any given subject there is a set of points (individual events) in an n-dimensional space. Each cell of the cube contains numerical measures that quantify the facts from different points of view. (Eg number of sales or total sales.) Each axis represents a spatial dimension analysis (which can consist of hierarchies of levels aggregation). A dimension can be any set of values, not numbers (eg Time, City, Product). Each point is then uniquely denoted by an n-tuple of dimensional values \u200b\u200b(coordinates). DW AND THE
* 'INTEGRATED UNIOCO. The data are the result of data extraction from the sources and organized by subject (or subjects) of the principal. Eg Sales, Purchases, etc. Diagnosis. Each subject then every single fact is uniquely denoted by an n-tuple of dimensional values \u200b\u200b(coordinates). * DATA
are not volatile and are dated (historical). The data warehouse can only grow with time. New data are entered in blocks are cut by appropriate sources of data. Eg data entry last month / quarter / year.
The set of data is therefore relatively static. There are no changes frequently (eg every hour)

Objectives:
- With a dw you can access all of the data, in a centralized DBMS
- Consistency and consolidation of data
- speed in accessing information
- Starting point for OLAP queries (set of techniques and software for interactive analysis of large amounts of data quickly. And 'the technological base of the DW. We can say that the main element of the architecture OLAP is the fact that DW contains data which when properly analyzed can provide important support to the decisions. OLTP systems (online transaction procession), primarily aimed at managing data online, provide data for the OLAP environment, we can say are a source of data. Between the two systems changes the type of user terminals, so users that perform read and write, for OLTP and OLAP for analysts).
OLAP tools are aimed at performance and achievement in the search query on a scale as large as possible. These are systems for data analysis. The OLTP systems are instead for data management. Can play a small amount Data on these and make a set of operations defined. Creating an OLAP database allows you to make a snapshot of information available in a certain time and then turn these items of information in multidimensional data. Performance of queries on structured data can get answers in a very short time compared with similar operations on other types of databases. One of the structures is the OLAP cube, multidimensional. The most famous is the cube that uses the schema "star" in the middle of this regular structure is formed a table listing the main elements on which the query will be built, and linked to this table the various tables of the "size" specifies how they will aggregate the data.
The life cycle of a DW from the definition of objectives and the necessary processing model, and then proceed with the design of abstractions, with subsequent refinement of the data needed, and finally comes to their integration into a single unit, the fact dw. The information contained in it are then categorized and divided into data marts that are released to end users. The term DataMart (literally store data) refers to a subset of the DW that contains the data extracted by sectoralisation dw and totalization. While
dw represents the entire information base executive of a company, the different data marts represent sections logic on it available to the various business areas. The data marts are undergoing a process of compaction in the light of sectoral objectives so as to be manageable and fast to use. A dw
can achieve important things: like the Drill-Down (allows you to add a dimension of analysis by disaggregating the data. It requires the formulation of a query), the Roll-Up (deletes a dimension of analysis, this can be done by adjusting the data of question), they Slice and Dice (select a subset of cube cells, obtained by slicing and cutting the cube itself.
A report is a call for specific formatted data. Reports can contain attributes and facts, filters to determine the amount of data used to generate reports and metrics to perform calculations on the facts.

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3) play with the DBMS.

For the first time I am faced with Northwind , many different definitions in his blog, "is a database containing the tables to be used as a test, easily erasable" or the more concise 'is the Word of the DB hello ".. ok ..
is a Northwind database (this is a set of data and objects, contains tables, queries, forms, reports, pages, macros and modules) and a project (an Access file is linked to a Microsoft SQL Server to create client applications / server) Access which contains data relating to sales of
a fictitious company called Northwind Traders, which imports and exports specialty foods around the world. From the view of objects in the Northwind database can be drawn inspiration to create custom databases for their own needs.
: To create a new DB operations were not too difficult, however, given the elementary exercise: building Access database with data about enrollment, registrations and registrations at the Sapienza University.
File -> new; DB -> empty; appointed by my name and then saved, and creates the table in Design view, create table with the wizard and creates the table with direct entry of data. I so drawn to Access a double entry table. Which is good to encode each element may
CS = code 1, 2 Stat code, code 3 Wis.
year 2207-2008 = code 1, code 2 2008-2009, 2009-2010 code 3.
.. the goal is to eliminate redundancy in order to analyze / edit data in a consistent way, in this case allows an analysis for both years and for faculty. With Northwind, you can create relationships between different data from the various tables, but it should be noted that the data "split" into different tables must be joined by a code (the relationship between Primary Key and Foreign Key. The relationship is between 1 to n the primary key and all the foreign keys). The normalization

Col Normalization is the process of organizing data in the database. You create tables, you define the relationships between them based on rules designed to protect data and make the database flexible by eliminating redundancy and inconsistent dependencies.
The presence of redundant data results in a waste of disk space and maintenance problems of Db. If you must change the data in different tables, the change must always be in the same way. It is easier to make a change on the address / phone of a student if the students are all stored in the same table and with a certain mode.
It 'important to keep in mind what an "inconsistent dependency" because it certainly is intuitive for a user to look in the Students table to address a specific student, but can not make sense to look in that table information identifying the qualification the parents of that student. Such information is related to the student but will be placed in another table linked to the first by a code that the joints. But if you decide not to make a real normalization, please make sure that the application is able to prevent possible problems arising, such as redundant data and inconsistent dependencies.
The denormalization
From the speech made so far suggests that the quality of a Db is directly proportional to the distribution of data in the reports. The question, however, is more complex because the splitter data in reports following the task of reconstruction of the original information.
There is talk of denormalization, the operation that leads to merge attributes belonging to different relations in a single report to better performance on our investigation on the basis of data.
A case of denormalization occurs with the creation of attributes that contain data from other reports. This can be accomplished through the query : Question a database to obtain the data contained in one or more databases. Usually, a query is passed to the DBMS in SQL (Structured Query Language). And 'so the command being sent to the DBMS and requires a denormalized table!
If we consider our database with faculty and students, to know which option is written each time a student should have the power associated with tuples from the report particular student.
(A tuple is a generic element of a relationship with attributes in a relational database. It is the basic entity that must be stored in the database. Es: zoo = 'wolf', 'elephant', 'penguin'. The variable refers to a zoo tuple of elements (values)). An alternative solution would be to store the number directly in the report "students", increasing it each new year or less confirmed when your registration to which ones may. In this way access to such information would be immediate. But you know, everything has a cost! The denormalization increases the complexity of software that uses the database, because it will be directly responsible for updating the data, and therefore increase the risk of inconsistency of data stored.

Monday, March 8, 2010

Letter Of Interest In Sorority

2) Spreadsheet Vs DBMS! Open Source vs. Proprietary Software!

part of the application software of a category that has become one of the most successful Spreadsheet . These are used for applications in many areas of economic, financial, scientific, engineering. As often happens in computing, they are called in different ways spreadsheets, spreadsheet, worksheet.
We can define the spreadsheet as the extension of a pocket calculator but with tools and commands great power and flexibility. When you start a spreadsheet is presented to us in front of a table characterized by rows and columns in which you can enter data and perform calculations. If I think of a spreadsheet I can think of a notebook with squares in each square you can enter a number, letter or part of a formula. The number of rows and columns is very high (65,536 rows and 256 columns), so you can create works of considerable size. Examples of
Spreadshhet: Microsoft Excel; Visicalc, Lotus 1-2-3. The
Database Management System (DBMS) is instead a software system designed to enable the efficient creation and manipulation of databases, usually by multiple users. And 'the control system of a data set. The DBMS play a key role in many computer applications ranging from accounting to human resources management and finance to technical contexts such as network management or telephony. In the past
DBMS were broadcast mainly in large companies and institutions, as these were the only ones who could afford the purchase of large hardware infrastructure necessary to build a database system efficiently, today their use has spread almost everywhere.
A DBMS is a set of very complex software programs that monitor: - the organization, storage and retrieval of data in a database;
- control the security and integrity of the database;
- accept requests for data by the application program and train the operating system to transfer the appropriate data.
Examples of DBMS: Oracle, Microsoft SQL Server, Access (always of the Office package). We
sottoilineare Another important distinction between the proprietary products and Opensource products. The term Proprietary Software going to show all the software that the restrictions imposed by the owner of the software for the note about the use, modification, reproduction or redistribution. These restrictions are obtained through legal or technical means.
* Technical means: it makes public only the binary code of the software but you do not provide the source code, which is considered a trade secret. Thus the modification of the software is very difficult and you can have if you have access to high computer skills.
* Legal means: licenses, copyrights and patents.
Examples of proprietary software: Microsoft Office, RealPlayer, WinZip.
Turning to Open Source (English word, open source) .. This term refers to a software whose authors or copyright holders, allow and encourage the study and free to modify it by third parties the software in question. But open source does not just mean access to the source code of a program because of a software license, must meet the following criteria:
- free distribution, without discrimination of any kind to persons / groups;
- provide the source code source;
- the rights attached to the program must apply to all to whom the program is redistributed;
- the license must not place restrictions on other software distributed with the licensed software ..
Examples of open source software: MySQL (database), Sun Microsystems, IBM.

are two distinct business approaches, one is not "better": the Open Source sells the service (the product is free and the business consulting company), the Product Owner sells the product (advice is free).

to talk through some numbers to reference the article on "fall" of the inscriptions at the University La Sapienza, place the following tables in respect of entries and registrations that are had the year 2007-2008 to the current year in the Faculty of Communication Sciences, in one of Statistics and the situation of Wisdom as a whole, taking into account all the universities:

Thursday, March 4, 2010

Engagement Congratulations Message In Arabic

so dedicated to a person

Sometimes you just need a second and sometimes a lifetime to understand who you are facing.
sometimes live with illusions and just when we discover what this mirror is broken but we should see some time ..

It seems that sometimes the world revolves around us and at one point everything was becoming just a memory with the world ...
Sometimes we wake up and realize that we live in a world that we never would have expected.

We can be strong, capable, smart or good magicians, but we will never
to cheat our fate
because it is he who is smarter than us.
not others.

... sometimes just a small gesture to discover that deep a smile can change your day ...
... the touch of a child, a hug and other small gestures with their delicacy we transmit strong emotions.

Sometimes we fall asleep we were so calm that morning again.
Other times we are afraid to wake up.
everything is not always as it seems.
The important thing is knowing that every day we grow
and this is the greatest gift that we are allowed.
Only then can we understand how beautiful and great simplicity.

Monday, March 1, 2010

Can Flash Hurt A Newborn

1) The Fall of the University ....???

L and university enrollment in recent years have dropped sharply and this is a fact.

Istat data: show that in just two years, while the number of Italian students who have graduated has grown considerably, the number of members universities fell by 4.4%. The Istat and the Ministry of Education confirmed fact that the number of students promoted a graduation examination has increased substantially and that, contrary to university inputs have decreased. In the current academic year, comparing students who entered with the graduates of the previous year, only two out of three students (67 percent) chose to continue their education after high school. Two years ago the percentage was higher: more than 75 percent. But the loss of interest in pursuing a career training college that causes can be behind him? It 's true that the universities, the formanzione all life learning, graduating, do not attract more young people?

sure is that the promise of a future business and consistent with appropriate qualification attained does not seem to be maintained and in response folds elsewhere.

In Italy, the number of registrations in academic year 2008/2009 saw a record low score of the last seven years, in fact only the last two years the enrollment in universities declined by over 4% per academic year. Speaking through the numbers we can see that the registered fall in 2006/2007 were 326,500, in 2008/2009 were 312mila. Looking at the current year, 2009/2010 to 30,662 are registered at the university, then actually the situation is not so gray. You should worry about something else! For example the type of training and education can achieve that Italian students, the education system abnormalities Italy, a constructive dialogue with other European educational systems and not.

If we take into account the Department of Statistics, Faculty of Science for the excellence and Communication Sciences, humanist par excellence, the decline is equally important or not? I data show us that:

-The first sees the number of registered very slight decline from the point of view of registration both for the registration renewal for subsequent years .

-The second situation is one more "dramatic" registrations have grown from 1208 to the faculty of the academic year 2007-08, with 833 of those who have enrolled in the course degree this year. Cala also the number of those who continue their training: from 5671 to 4080 of the academic year 07/08 current. And here the numbers are significant and the explanatory power in place.

The contrast between the employment opportunities promised by training a sociological / humanistic and those offered by a concrete path to scientific and technical make more a difference! In fact, the Faculty of Sociology in registrations are suffering is that in the years after enrollment, while the complex of the Faculty united under the great name of Mathematical, Physical and Natural Sciences, sees his numbers remain constant. Compared to the 2007/08 academic year 2009/2010 Architecture enrolled in the fall, Law, Engineering, Humanities, Psychology, Political Science, with a parallel increase in subscriptions to Economics, Pharmacy, Medicine and Surgery, Oriental Studies.

And then in addition to science, is becoming more valuable language skills. Behind the choice of university student, the big question: "study what I like" your "study that will make me work." "The answer my friend is blowing in the wind."

But I come to reiterate that the beyond personal choices and situations, we should ask what is the situation of Italian universities? What are the issues that affect? E 'or may be a point of excellence?

.. a few lines to expose a big problem ..

The faculties are as poor in terms of structural, technical and logistical resources are limited and scarce and suffers teaching and learning, the student accordingly. Funding if / when they arrive can not place permanent solutions to large gaps. (IlSolo24Ore)

is penalized research is to deny the development potentials of students and do not provide significant employment opportunities, linked to the continuation of their university career. All this is closely linked to the lack of meritocracy, which dominates in the academic career, as in many other areas of the Italian system (for example, in PA, but this time without controversy that is). In those circumstances, one might think that the many appeals brain drain, rhetoric is not only bland, but a concrete reality, now the second time over / under estimated, but that it could become a growing phenomenon and burdensome. E 'on the run from Italy, 7% of graduates / doctors, but the data tell us that England saw leave the homeland as much as 15% of its young and Ireland salutes a graduate in four. But young people of these countries, where they go? In Italy? If we consider the data against, what they tell us our worth Italy for foreigners in the UK 16 out of 100 graduates from abroad, in Ireland 18%! In Switzerland and Canada, the foreign brains are 1 in 4.

In Italy we are at 6%, half the OECD average. So: we export less skills abroad and are unable to attract skills.

It 'clear that addressing an issue like this, which has its origins rooted in the Italian situation and not happy, would address the problem looking for a solution that would lead to more funding, attention to research, content, experiences, improvement of facilities and the organizational environment, to compete with international standards but rather to promote education quality Italian.

Friday, February 26, 2010

Samsung Ml 1610 Printer How Do I Set Toner Sacve

Peter Eisenman Praise

Peter Eisenman, Architect jew, a man who has always gone against the trend of the modern icons of architecture, An architect who has lived project work as the result of tissue physical, cultural and historical heritage of each place that went to form what he calls the "Layer".
about him there would be many things to say starting from studies conducted in academic and professional career. Starting from the ideological representation of the architecture of religions in all forms, image, relationship between the elements takes on a sacred character, as dictated by the shape characteristics that announce to compose in a certain way.

"Bringing together the different elements, then go to different parts of buildings, and from these to all: this is the path that must follow when you want to learn to compose, on the contrary, when you dial, you must begin from the collection, continue with the parties and ending with the details. "


studies of Greek temples are the praise of classical , the attempt to bring man to God with the representation of architectural forms and elements that made up together, establish a relationship of harmony that became untouchable.
"There is a new awareness created by the fractures in 1945 [...] it has emerged from something that modernism has not glimpsed: the fact that none of the previous generations had never been able to address the problem of potential extinction of civilization before today, when this was made possible by the advent of science, technology and modern medicine. This hypothesis
end within the horizons of this condition has shattered the classic triad of time - past, present and future - and with it his 'continuity' and its 'development'. Before this was seen as a moment between past and future. Now this report contains two poles without: a memory of this earlier time, progressive, and immanence, the presence of the end - the end of the future - a new quality of time. "

FORMAL READING

Dante, in his letter to Can Grande says that a letter should be read in two different ways, each with two different meanings: one is the literal meaning that encompasses the obvious sense of a sentence, the second is the allegorical meaning, namely that the mechanism for which, reading a sentence, it is understood another.
Eisenman, in his book "Giuseppe Terragni: transformations, decompositions, critiques" is an opportunity to be able to give an explanation of how he intends the project by analyzing the work of an Italian architect, Terragni and, in many respects and studies, the study traces architecture by reading it in different ways and different layers, this book focuses more on reading a brief and formal and not fully analyze the aspect "allegorical." Law Terragni's work in a logical, not chronological, analyzing the work as if everything was attributable to an aspect of text explaining that every work of architecture can be transformed into a textual criticism to which it can bring its own contribution. In his book explains that there are also buildings are so "open" a text that reads "... replace the canonical interpretations with the use of a speech first formal, defined within the parameters of a historical period .. certain buildings or release the relationship between implicit and stable conventions iconic, historic, aesthetic and functional ".. and Home of the beam is one of these buildings.

Reading a building then becomes much more complex than it may seem: it assumes a theoretical aspect which is developed by the designer, a critical form based upon the time and a critical aspect of the work based upon the formal canon of ' work that will provide a critical synthesis of form which will have a key to understanding more generally.

1.The 'theoretical project developed by the project include the formal historical analysis of the building such that they create the conditions for uniqueness and functional impairment that put the image architecture in a representative icon stable. Just look at works such as the Monument to victims of the Holocaust made in 2005 in Berlin, when asked the significance of this work Eisenman he replies: "Mine does not want to be a place of memory, does not want to remember the victims, does not want denounce any kind of horror because horror is unrepresentable, each description is still inadequate. " It 's why he created the place is not an ideal jew or catholic founded, but the task of making the person feel in a state of alienation in the work, as if it were in a place that you want to propose the same feeling of terror and fear of deportation.

2.L 'critical formal and is based on temporal conditions of the work is a mechanism that raises and comes at a time when the work itself is analyzed and designed considering and comparing the formal architecture, which must be understood as a strategic process that takes non-narrative chronologically typical cultural characteristics, transformations and decompositions of formal architectural models of the era. The intertwining of these studies means that the project can be a model to be subjected to an analysis of decomposition and reading logic that can be taken to place the architecture in a culture, political situation or some debate.

3.The 'critical formally bound to the canonical work leads instead to a study linked more to a logical analysis and historical architecture, plans, strategies, forms and cultures that interfere in key reading critical. A study of formal transformation that becomes critical in the sense that the traces of the design process is seen as a disruption of the traditional formal and functional interpretation of these processes.

THE 'TRUTH'

Aristotle "as a matter arises in relation to being, as arises in relation to the truth." How

architecture asks to be represented through its classic character, form, so that confronts the truth about herself.

The truth that architecture is the assimilation between the theoretical truth of itself and its representation lies in the perfect likeness of a work with its deeper meaning.

Take for example the Monument to victims of the Holocaust Eisenman: the truth of what his work is represented in a more logical and conceptually deep. E 'managed to bring together the ideal of the massacre and in the formal codification of the same diagrammatic without using a coding which the ideal of formal perfection would fall in the ideal of geometric perfection ("The term Holocaust is primarily used to denote the systematic extermination of millions of Jews")


PS

"Hence the paradox of modern composition: the 'abandonment of the figure - the foundation of classical composition - implies its necessary re-affirmation, the fragment, to deny it, must continue to speak of the figure. This postulate, which holds until the contradiction that implies is explicitly accepted in a state of media fragmentation, collapse and self-denial when it is taken to the extreme. If starting
a white square defined only by its boundary - the figure - we begin to divide it with black lines in smaller areas - in fragments - and continue, adding line upon line, to break it into parts progressively smaller, eventually to black around the square, would end that is to get closer and closer to the re-affirmation of the outline until you return to the initial shape. Something similar seems to happen in those cases in which modern culture seeks to capture, placing them on a theoretical plane, the extreme fragmentation of the .. "



" Eisenman 1960-1990. Conceptual architecture architecture textual " - F. Ghersi

Giuseppe Terragni: transformations, decompositions, critiques - P. Eisenman

The Formal Basis of Modern Architecture - P. Eisenman

http://arching.wordpress.com

http://www.emis.de/