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Programming tutorialsShowing tutorials 80 to 100 out of 107 Programming tutorials. | |||
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Direct 3D is an API used for displaying applications with rich multimedia content. You can add 2D/3D graphics, video and sound in your application. You can also create 3D engines for video games. Direct Graphics is the portion of API that deals with the graphics of a direct 3D application. It is oriented towards 3D design but it also works well for 2D graphics. In order to use sound you have to use the functions of Direct Sound. Not yet rated with 339 hits Added on: Sep 12, 2008 |
Data is most vulnerable when transferred across a network or stored on a disk drive. An attacker with some knowledge and skills can bypass security software and gain access to sensitive data. However, you can use cryptography to your advantage. You can protect your private data by encrypting their information with a key code, only you will know. Not yet rated with 128 hits Added on: Sep 12, 2008 |
E-mail is an extremely popular communication mechanism. The .Net framework has added the System.Net.Mail namespace which provides classes that enable you to easily create and transmit email messages. Messages can include plain text and attachments. In this tutorial we will talk about creating emails. Not yet rated with 119 hits Added on: Sep 12, 2008 |
Unauthorized access of sensitive data must be prohibited in a business application. Unauthorized users must not be able to view other people’s information. In a windows program, sometimes it is necessary to provide different information in guests and users. A guest should not be able to see important data of the program’s flow. The authentication methods require the System.Security.Principal namespace. Not yet rated with 98 hits Added on: Sep 12, 2008 |
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C# provides several mechanisms for flow control in a program. The loops in C# allow you to execute a block of code repeatedly, until a certain condition is met. This condition can be the number of repetition, a variable taking a specified value or something completely different. The while loop is a pre-test loop and is used to execute a block of code for a number of times not known before the loop begins. The do..while loop is a post-test loop and is used for the same purposes as the while loop. Not yet rated with 158 hits Added on: Sep 12, 2008 |
The switch statement offers the programmer the capability to choose a specific block of code from a set of mutually exclusive ones. It is similar but not identical to the if statement. The block of code that will be chosen is not known before the execution of the program. This can be for example due to different windows platform or specific localization settings of each country. Not yet rated with 175 hits Added on: Sep 12, 2008 |
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Classes are a major element of every object-oriented language. If you are a promising new programmer, chances are you will create and use classes in each and every one of your programs. Classes provide templates that describe various objects, from a customer of a hotel to a new car model. In this tutorial we will talk about some basic concepts regarding their declaration methods and usage. Not yet rated with 60 hits Added on: Sep 12, 2008 |
To read some text from the command line you use the Console.Read or Console.ReadLine method implemented in the .net framework. The difference between them is that the Console.Read method reads the next character from the command line, whereas Console.ReadLine reads the next line of characters instead of just a simple character. The Console.Read method returns an integer and should be cast to a char during the input. There is also a special function called Console.ReadKey( Boolean display) which obtains the key that is pressed on the keyboard and if the display parameter is false it depicts it. Not yet rated with 332 hits Added on: Sep 12, 2008 |
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Reference types provide excellent flexibility and performance of large structures. This is the reason that classes are reference types and structs are data value types. As you will probably know, reference types do not store the actual value of the object but a pointer to a memory location. This pointer is stored on the stack whereas the object itself is located in the managed heap. Not yet rated with 70 hits Added on: Sep 12, 2008 |
Structs, similar to classes, are used to define various objects in your code. They are stored on the stack, rather than in the managed heap. This means that they are value-type objects and thus, when you pass a struct as a parameter in a function, a copy of the object is actually passed to that function. This can affect the performance of your code if you use structs for large objects. However, since the .Net does not bring in the managed heap, structs are more suitable for small objects of limited functionality and with no inheritance capabilities. Not yet rated with 60 hits Added on: Sep 12, 2008 |
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C# distinguishes between two (2) different data types categories: value and reference types. Value data types directly store their value while reference data types store a reference to their value. Value types are stored on the stack whereas reference types are stored on the managed heap. Not yet rated with 63 hits Added on: Sep 12, 2008 |
The string class is designed specifically for storing and manipulating strings. Some operations of this class include conversion to lower or uppercase, removal of leading and trailing whitespace, replacing characters, comparing two strings and more. Also, a ToString() method is inherited to every object in C#, making available a string conversion of any object. Of course, this method can be overridden in your classes so that you can define the process in which this conversion takes place. Not yet rated with 67 hits Added on: Sep 12, 2008 |
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C# provides several mechanisms for flow control in a program. The loops in C# allow you to execute a block of code repeatedly, until a certain condition is met. This condition can be the number of repetition, a variable taking a specified value or something completely different. The for loop allows you to repeatedly execute a block of code for a specified number of times. Not yet rated with 60 hits Added on: Sep 12, 2008 |
Functions are a must for modern object oriented programming and for visual programs as well. When you click a button on your mouse an event is generated. This event fires a function that is linked to that particular event. Therefore, you need to define several functions that correspond to various actions your code should perform. They are also useful when you need to call a block of code many times in different parts of your program. Not yet rated with 72 hits Added on: Sep 12, 2008 |
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A significant advantage of C# when compared to C++ is the memory management capabilities of the C#. The programmer need not worry about memory management; the garbage collector is assigned this operation on the programmer’s behalf. You will probably know that value data types are stored on the stack while reference data types are stored on the managed heap. The stack stores data value types that are not members of objects. Also, in C# it is always the case that if variable a goes into scope before variable b, then b will go out of scope first. For example, if you declare some variables in a method, these variables will go out of scope when the method ends. However, it maybe sometimes that you need to keep these variables long after the method/function ended. This happens for all data declared with the new operator, the reference types. All reference types are stored in the managed heap, which is under the control of garbage collector. Not yet rated with 125 hits Added on: Sep 12, 2008 |
The if statement is a so-called conditional statement. It allows you to branch your code depending on whether certain conditions are met or not. C# has two such conditional statements, the if statement and the switch statement. In this tutorial we will talk about the if statement, a frequent element of all programs. Not yet rated with 95 hits Added on: Sep 12, 2008 |
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![]() Beginners Java Tutorial - Part 1 Easy to follow Beginners Java Programming Tutorials. Starting with downloading and installing the correct components including the Java IDE, this tutorial gets you started using easy to follow simple examples. Not yet rated with 173 hits Added on: Nov 20, 2008 |
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A collection of tutorials for the most popular 3D engines including Ogre, Crystal Space and Irrlicht Not yet rated with 145 hits Added on: Dec 06, 2008 |
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