Metoda Aproximatiilor succesive pentru ecuatia x=f(x)
Metoda aproximatiilor succesive Consideram f(x) = 0 ecuatie algebrica sau transcendenta care are in intervalul o singura radacina reala δ.…
Read MoreCholesky factorization
In linear algebra, a matrix decomposition or matrix factorization is a factorization of a matrix into a product of matrices.…
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Basic shading in OpenGL
Normals During the last few tutorials you’ve been dealing with normal without really knowing what they were. Triangle normals The…
Read MoreModel loading in OpenGL
In this tutorial we will learn how to load 3D meshes from files. We will do this just like we…
Read MoreKeyboard and Mouse in OpenGL
The interface Since this code will be re-used throughout the tutorials, we will put the code in a separate file…
Read MoreTexture in OpenGL
About UV coordinates When texturing a mesh, you need a way to tell to OpenGL which part of the image…
Read MoreColor in OpenGL
Draw a cube A cube has six square faces. Since OpenGL only knows about triangles, we’ll have to draw 12…
Read MoreMatrices in OpenGL
Homogeneous coordinates Until then, we only considered 3D vertices as a (x,y,z) triplet. Let’s introduce w. We will now have…
Read MoreThe first triangle in OpenGL
OpenGL 3 makes it easy to write complicated stuff, but at the expense that drawing a simple triangle is actually…
Read MoreIntroduction to OpenGL
Introduction Welcome to the first tutorial ! Before jumping into OpenGL, you will first learn how to build the code…
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Selecting MySQL Database
Once you get connected with the MySQL server, it is required to select a database to work with. This is…
Read MoreDrop MySQL Database
Drop a Database using mysqladmin You would need special privileges to create or to delete a MySQL database. So, assuming…
Read MoreMySQL – Create Database
Create Database Using mysqladmin You would need special privileges to create or to delete a MySQL database. So assuming you…
Read MoreMySQL – Connection
MySQL Connection Using MySQL Binary You can establish the MySQL database using the mysql binary at the command prompt. Example…
Read MoreMySQL – PHP Syntax
MySQL works very well in combination of various programming languages like PERL, C, C++, JAVA and PHP. Out of these…
Read MoreMySQL – Administration
Running and Shutting down MySQL Server First check if your MySQL server is running or not. You can use the…
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PL/SQL – Object Oriented
In this chapter, we will discuss Object-Oriented PL/SQL. PL/SQL allows defining an object type, which helps in designing object-oriented database…
Read MorePL/SQL – DBMS Output
In this chapter, we will discuss the DBMS Output in PL/SQL. The DBMS_OUTPUT is a built-in package that enables you…
Read MorePL/SQL – Date & Time
In this chapter, we will discuss the Date and Time in PL/SQL. There are two classes of date and time…
Read MorePL/SQL – Transactions
In this chapter, we will discuss the transactions in PL/SQL. A database transaction is an atomic unit of work that…
Read MorePL/SQL – Collections
In this chapter, we will discuss the Collections in PL/SQL. A collection is an ordered group of elements having the…
Read MorePL/SQL – Packages
In this chapter, we will discuss the Packages in PL/SQL. Packages are schema objects that groups logically related PL/SQL types,…
Read MorePL/SQL – Triggers
In this chapter, we will discuss Triggers in PL/SQL. Triggers are stored programs, which are automatically executed or fired when…
Read MorePL/SQL – Exceptions
In this chapter, we will discuss Exceptions in PL/SQL. An exception is an error condition during a program execution. PL/SQL…
Read MorePL/SQL – Records
In this chapter, we will discuss Records in PL/SQL. A record is a data structure that can hold data items…
Read MorePL/SQL – Cursors
In this chapter, we will discuss the cursors in PL/SQL. Oracle creates a memory area, known as the context area,…
Read MorePL/SQL – Functions
In this chapter, we will discuss the functions in PL/SQL. A function is same as a procedure except that it…
Read MorePL/SQL – Procedures
In this chapter, we will discuss Procedures in PL/SQL. A subprogram is a program unit/module that performs a particular task.…
Read MorePL/SQL – Arrays
In this chapter, we will discuss arrays in PL/SQL. The PL/SQL programming language provides a data structure called the VARRAY,…
Read MorePL/SQL – Strings
The string in PL/SQL is actually a sequence of characters with an optional size specification. The characters could be numeric,…
Read MorePL/SQL – Loops
In this chapter, we will discuss Loops in PL/SQL. There may be a situation when you need to execute a…
Read MorePL/SQL – Conditions
In this chapter, we will discuss conditions in PL/SQL. Decision-making structures require that the programmer specify one or more conditions…
Read MorePL/SQL – Operators
In this chapter, we will discuss operators in PL/SQL. An operator is a symbol that tells the compiler to perform…
Read MorePL/SQL – Constants and Literals
In this chapter, we will discuss constants and literals in PL/SQL. A constant holds a value that once declared, does…
Read MorePL/SQL – Variables
In this chapter, we will discuss Variables in Pl/SQL. A variable is nothing but a name given to a storage…
Read MorePL/SQL – Data Types
In this chapter, we will discuss the Data Types in PL/SQL. The PL/SQL variables, constants and parameters must have a…
Read MorePL/SQL – Basic Syntax
In this chapter, we will discuss the Basic Syntax of PL/SQL which is a block-structured language; this means that the…
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VB.Net – Overview
Visual Basic .NET (VB.NET) is an object-oriented computer programming language implemented on the .NET Framework. Although it is an evolution…
Read MorePL/SQL – Environment Setup
In this chapter, we will discuss the Environment Setup of PL/SQL. PL/SQL is not a standalone programming language; it is…
Read MorePL/SQL – Overview
The PL/SQL programming language was developed by Oracle Corporation in the late 1980s as procedural extension language for SQL and…
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SQL – RDBMS Concepts
What is RDBMS? RDBMS stands for Relational Database Management System. RDBMS is the basis for SQL, and for all modern…
Read MoreSQL – Overview
SQL is a language to operate databases; it includes database creation, deletion, fetching rows, modifying rows, etc. SQL is an…
Read MoreMySQL – Installation
All downloads for MySQL are located at MySQL Downloads. Pick the version number of MySQL Community Server which is required…
Read MoreMySQL – Introduction
What is a Database? A database is a separate application that stores a collection of data. Each database has one…
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Python – Extension Programming with C
Any code that you write using any compiled language like C, C++, or Java can be integrated or imported into…
Read MorePython – GUI Programming (Tkinter)
Python provides various options for developing graphical user interfaces (GUIs). Most important are listed below. Tkinter − Tkinter is the…
Read MorePython – XML Processing
XML is a portable, open source language that allows programmers to develop applications that can be read by other applications,…
Read MorePython – Multithreaded Programming
Running several threads is similar to running several different programs concurrently, but with the following benefits − Multiple threads within…
Read MorePython – Sending Email using SMTP
Simple Mail Transfer Protocol (SMTP) is a protocol, which handles sending e-mail and routing e-mail between mail servers. Python provides…
Read MorePython – Network Programming
Python provides two levels of access to network services. At a low level, you can access the basic socket support…
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