Before diving right into the nitty-gritty of C++ language details, let's get started with a full-fledged C++ program! The idea of this program is to introduce you to the overall structure of a C++ program and give you the flavor of C++.
The conditional statements you've seen so far enable the Perl interpreter to decide between alternatives. However, each statement in the Perl programs that you have seen is either not executed or is executed only once. Perl also enables you to write conditional statements that tell the Perl interpreter to repeat a block of statements a specified number of times. A block of statements that can be...
In this section we are going to add our very own iterators to the class AddressBook. We will create two iterators, AddressBook#each and AddressBook#each_address, which can be used as usual:
Pressing the key combination <Ctrl><Alt><F1> will switch you to to the first text console at any time. <Ctrl><Alt><F2> will switch you to the second text console, <Ctrl><Alt><F3> to the third text console, etc, up to <Ctrl><Alt><F6>, for the total of 6 text consoles. <Ctrl><Alt><F7> will switch you to the...
First of all, let's distinguish components from controls. Simply putt controls are those components that the user can see. Furthermore, Delphi distinguishes between windowed and nonwindowed (graphical) controls. The major distinction is that windowed controls can receive the focus and nonwindowed controls cannot. The distinction between windowed and graphical controls can be important when you...
Here's a quick Photoshop tutorial for creating a reasonably realistic looking wood grain effect. It's a quick technique that looks pretty good. Once you learn it, it can be accomplished in under a minute! Create a new image. I'm using a 150x150px image, but any size will work. Select a medium brown (I'm suing R140 G98 B57) and fill the image (Alt+Backspace). Now go to Filter - Texture - Grain....
Make a new document 300x300. Now you have to set the foreground color to a dark brown and set your foreground and background colors to 2 brown colors.for example #52230F and the foreground color to a lighter brown for example : #754730 so they are like in the image below:
In this tutorial you will learn how to create a winter effect in Adobe Photoshop. Select the Background layer, then select the brush Sampled Brush 6 with the color #aaaaaa, size 150 px, Opacity 15%, and Flow 15%, then use this brush to obtain a effect like in the next image.
I shall list the Linux equivalent of the Windows COM ports. This information is generally found in the HowTo section, but if you haven't found it there, here it is for quick reference.
This teaches you how to apply light effect on photograph, which comes through the window, and make the photograph more interesting. Click on it i am sure you will enjoy it.
This article deals with 2 issues which are many a times used with each other. The first one is about wildcards and the other one is the use of special characters while typing commands at the shell prompt.
So what is so special about C++? Why should you use C++ to develop your applications? First, C++ is not the best language to use in every instance. C++ is a great choice in most instances, but some special circumstances would be better suited to another language.
There are several reasons why Python is gaining in popularity with Linux users. Python users don't match the sheer numbers of Perl users, but users who have tried Python tend to continue using it for these simple reasons:
If you do much work on computers, eventually you find that there's some task you'd like to automate. For example, you may wish to perform a search-and-replace over a large number of text files, or rename and rearrange a bunch of photo files in a complicated way.
Microsoft Windows is based on a graphical user interface (GUI for short) where you can control the apps by pointing and clicking. But Linux, just like Unix or MS-DOS, is completely text based. This means that everything in Linux can be done without any GUI, and it's a plus when using Linux, for example, as a server because the computer's resources aren't wasted in running a GUI. However, most of...