Posts Tagged Variabila

How to: Use Data Types to Define Variables in VB.NET

Data types associated to the variables establish the content of data and size of areas used to store data. In VB.NET, the following data types are available for software developer:
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How to: Implement Arithmetic of Pointers in C++

In C++ programming language, memory areas can be accessed indirectly through pointer type variable [...]. Also, available with a memory address, it ensures movement on memory areas from the memory address stored in the variable pointer. This is ensured by arithmetic operators and it is called arithmetic of pointers.
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How to: Define and Use the Pointers Variables in C++

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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Implementarea aritmeticii de pointeri in C++

In limbajul de programare C++, zonele de memorie pot fi accesate indirect prin variabile de tip pointer [...]. De asemenea, avand la dispozitie o adresa de memorie, se asigura deplasarea pe zona de memorie pornind de la adresa stocata in variabila pointer. Acest lucru se asigura prin operatori aritmetici si poarta denumirea de aritmetica de pointeri.

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Definirea si utilizarea variabilelor de tip pointer in C++

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.

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How to: Define and Access a Variable in VB.NET

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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Mecanisme de transfer a argumentelor unei proceduri in VB.NET

O procedura [...] este invocata, apelata, intr-un context dat. Procedura executa secventa de cod sursa in mod repetat, utilizand date diferite la fiecare invocare a sa. Datele utilizate sunt reprezentate de variabile [...], constante si expresii transferate in procedura.
Parametrul reprezinta o valoare pe care procedura o asteapta la momentul invocarii. Definirea unei proceduri presupune si eventuala definire a listei de parametri.
Argumentul reprezinta valoarea furnizata parametrului procedurii la momentul invocarii acesteia. Argumentele reprezinta elemente cu valori diferite pentru invocari diferite ale procedurii.

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Definirea procedurilor de tip proprietate in VB.NET

In VB.NET, procedura proprietate reprezinta secventa de cod sursa de manipulare a unei caracteristici intr-un modul [...], clasa de obiecte [...] sau structura [...].
VB.NET pune la dispozitie urmatoarele proceduri de tip proprietate:

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Definirea si referirea unei structuri in VB.NET

Structura reprezinta un element de programare similar claselor de obiecte [...]. Diferenta consta in faptul ca structurile sunt tipuri valoare, in timp ce clasele de obiecte sunt tipuri referinta.
O variabila de tip valoare este declarata, iar la momentul executiei se aloca spatiu conform tipului de date declarat. Variabila de tip valoare este distrusa atunci cand se paraseste blocul in care a fost definita.
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Caracteristici ale evenimentelor in VB.NET

Evenimentul reprezinta un mesaj transmis de catre un obiect si care anunta aplicatia de producerea unui fapt.
Evenimentele sunt implementate folosind delegati [...].
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