Posts Tagged Definire
How to: Define Interfaces in VB.NET
Posted by marius.popa in VB.NET on March 23, 2010
The interface is a set of definitions of properties, methods and events. Unlike classes [...], interfaces do not contain the implementation. Interfaces are implemented [...] by classes, but are defined as separate entities.
A class that implement an interface must implement all elements defined in that interface.
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How to: Define Delegates in VB.NET
Posted by marius.popa in VB.NET on March 16, 2010
The delegate is a pointer that allows the call of a function indirectly through its memory address. The delegate is used to call methods of other objects. It is similar to the function pointer used in other programming languages. The difference is that the delegate is a reference type on System.Delegate class.
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How to: Identify Characteristics of Events in VB.NET
Posted by marius.popa in VB.NET on March 16, 2010
The event is a message sent by an object and announces the application of production a fact.
Events are implemented using delegates [...].
For example, clicking a command button in a graphical interface causes the appearance of the event Click. The event is treated by a procedure.
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How to: Define and Use the Pointers Variables in C++
Posted by marius.popa in C++, Data Structures on November 3, 2009
The pointer type variables allow the accessing of memory areas with numerical content for the management of the values which represent memory addresses. The dimension of a pointer variable depends on the processor architecture.
In the C++ programming language, the definition template of a pointer variable is:
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Definirea si utilizarea variabilelor de tip pointer in C++
Posted by marius.popa in C++, Data Structures on October 13, 2009
Variabilele de tip pointer permit accesarea de zone de memorie cu continut numeric pentru gestionarea valorilor ce reprezinta adrese de memorie. Dimensiunea unei variabile pointer depinde de arhitectura procesorului.
Definirea relatiilor intre tabelele unei baze de date in VB.NET
Posted by marius.popa in VB.NET on July 10, 2009
Definirea unei relatii intre tabelele bazei de date presupune existenta a cel putin doua tabele. In baza de date Angajati.sdf, se adauga tabelul AccessAng prin care se defineste tipul de acces la resursele materiale, financiare si informationale ale organizatiei.
How to: Define and Access a Variable in VB.NET
Posted by marius.popa in VB.NET on July 7, 2009
A variable corresponds to a location of memory, which stores values when performing calculations.
Variables are used in calculations, comparisons. They have established a name in the source program, and accessing the value stored in memory location is achieved by variable name.
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Definirea enumerarilor in VB.NET
Posted by marius.popa in VB.NET on June 25, 2009
Enumerarile ofera un mod avantajos de lucru cu multimi de constante sau asocierea valorilor constante cu denumiri de constante. Enumerarile sunt tratate ca tipuri de date si sunt utilizate pentru a crea multimi de constante.
Avantaje ale utilizarii enumerarilor:
Definirea procedurilor de tip proprietate in VB.NET
Posted by marius.popa in VB.NET on June 25, 2009
Definirea modulelor in VB.NET
Posted by marius.popa in VB.NET on June 24, 2009
Un modul reprezinta unul dintre elementele de programare care contin cod sursa ce urmeaza a fi compilat si executat. Un element similar de programare este clasa de obiecte [...]. Spre deosebire de modul, clasa de obiecte poate fi adaptata cerintelor particulare ale dezvoltatorilor prin implementarea mostenirii.
Modulul este implementat cu ajutorul specificatiilor Module si End Module.
YAHOO TECH NEWS- Smooth-talking hackers test hi-tech titans' skills
(AFP)AFP - Hackers at an infamous DefCon gathering are proving that old-fashioned smooth talk rivals slick software skills when it comes to pulling off attacks on computer networks. […]
- BlackBerry maker to launch tablet in November: report
(Reuters)Reuters - Research In Motion will introduce a tablet computer in November to compete with Apple Inc's iPad, Bloomberg News reported on Friday, citing two people familiar with the company's plans. […]
- Kindle's E-Reader Price War: Who'll Blink First?
(PC World)PC World - When, oh when, will the price-cutting end? Now that Amazon has stunned the e-book world by dropping the price of its Kindle e-reader (well, the new Wi-Fi-only model) to $139, will competitors Barnes & Noble, Borders, and Sony do the same? […]
- Smooth-talking hackers test hi-tech titans' skills
(AFP)
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