Use XMPP to Create Your Own Google Talk Client
Instant communication is the essence of social networking and the Internet. The popular Google Talk, which uses XMPP (Extensible Messaging and Presence Protocol), made this Instant Messaging protocol prominent among open standards protocols….
Some Nifty udev Rules and Examples
Connecting flash drives, hard disks, cameras or mobile phones to your Linux system has never been so easy and manageable, thanks to udev, developed by Greg Kroah-Hartman, Kay Sievers and Dan Stekloff. First…
A Beginner’s Guide to Grep: Basics and Regular Expressions
Grep is one among the system administrator’s “Swiss Army knife” set of tools, and is extremely useful to search for strings and patterns in a group of files, or even sub-folders. This article…
Bandwidth Throttling with NetEM Network Emulation
NetEM (Network Emulation) provides functionality for testing protocols, by emulating the network properties of wide-area networks. This article describes the use of NetEM in benchmarking the performance of a Web application, simulating Internet-like…
Dissecting Instruction Level Parallelism
Instruction Level Parallelism (ILP) technology is often used to improve the performance of embedded processors in application-specific domains like Digital Signal Processing. Today’s VLIW (Very Large Instruction Word) DSP architectures are specially designed…
Extending Python via Shared Libraries
Python is one of the most popular programming languages ever — its great productivity, flexibility and general-purpose nature efficiently address areas ranging from Internet applications to system uses. Much of Python’s power comes…
Automate Testing Web Apps with WebTest
WebTest lets developers write XML-based test suites so quickly, it’s almost fun! Virtually everyone uses a browser every time the computer is switched on — the browser has become an integral part of…
Cryptography and Steganography with Python
Steganography and cryptography have been widely used to hide sensitive information. This article offers a brief introduction to how both these methods can be used together. The implementation uses Python with the Stepic…
Write Your Next Program on Linux
Quite a few colleges and schools still teach C/C++/Java programming on Windows — and even worse, on DOS (using Turbo C/C++)! GNU/Linux provides a first class operating system, replete with support for dozens…
S5: A Simple Web-based Presentation System
S5 is a slideshow system for browsers that lets you run presentations like those in MS PowerPoint or OpenOffice.org Impress without a dedicated application — you just need a Javascript-capable browser, and you’re…
June 15, 2013
Wesam Alalem — it would be better to use whitelist than blacklist, i.e:
$whitelist = array(".jpg", ".png", ".gif",);
and allow only these types
Thank you....
June 15, 2013
Ovidiu — None of these solutions work to recover a single file.
All of them are using the disk image..so you are going...
June 14, 2013
Marjan — There is an error in source! You should not allocate buffer globally. Microchip FSUSB demo board did not work by...
June 13, 2013
SID — I would like to add something here.
In latest Ubuntu and the kernel higher than v3 you will not find...
June 13, 2013
Charuhas — Are you smart than fifth grader?? Read again.. Kids aged 5 are using and if you are a student of...
