This ‘QCompiler’ will accept the SQL statements embedded in html, detect the syntax errors and suggest the necessary corrections. ‘QCompiler’ was developed using lex and yacc. I will not go into details about lex and yacc. If you want more details on them, you can check out the links below: Lex Wikipedia Yacc Wikipedia A Guide to Lex and Yacc Lex and Yacc – Brief Tutorial The lex file basically returns the token to the [...]

One of the reasons why I prefer Linux for programming is because of the GNU debugger. Any programmer at one point or the other would have to use a debugger so it’s always better we get started off sooner rather than later. In our previous stone “Understanding Segmentation Fault with simple C code snippets ” we digged out the various reasons for the annoying segmentation fault in our programs. Next up we now learn how [...]

Ifconfig Your connection to a network is made by your system through a particular hardware interface such as an Ethernet card of a modem. Data passing through this interface is then routed to your network. The ifconfig command configures your network interfaces and the route command sets up the network connections accordingly. Ifconfig is used to configure the kernel-resident network interfaces.It is used at boot time to set up interfaces as necessary. If no arguments [...]

Everyone wants to be a star. With the Internet in your hands you don’t require some special characteristics to be a star. Thanks to the social media, viz Youtube, Facebook etc, every single person on the planet can be a star by the next Saturday. There are hundreds of example where people not known before has suddenly turned out to be a celebrity just because of some video or event going viral on Internet. So, [...]

Metacharacters are those characters which hold special significance. There are numerous metacharacters in Linux. We will try to discuss the significance of each one of them through simple unix commands. Different metacharacters in Unix can be grouped in the following way : 1. Filename Substitution Metacharacters *   -   This wild card character represents any combination of number or characters. ?    -   This metacharacter stands for one character. [....]   -   This gives the shell an [...]

It’s been quite some time since Facebook rolled out its new design with the sleek timeline feature and with the catchy cover picture. Most of us took quite some time adjusting to all these changes, there was the all so familiar “I so hate this, how can I get back my old facebook?” moaning but we eventually got used to it. I believe most of us spent quite some time deciding what would be the [...]

Web developers, animators, as well as power users of the internet (looks like it’s a significant part of the world population now) know what I’m talking about. Flash’s biggest strengths are its versatility and ease of use, and its support for virtually all kinds of media. It is quite easy to create quite complicated GUIs and animations in Flash, which in most part is because of its robust IDE. Advances in ActionScript , added html [...]