Hello, im currently trying to develop a new captcha system for websites using php, html and javascript and i would like to know how i can manipulate images using php especially ones involving distortion, rotation, resizing or scaling, color filtering and image cropping. Please help as soon as you can, i would really be grateful for quick response

Hello i'm a university student taking a course of computer graphics. i wanted to ask if webgl had a simpler library for game development which i can use to simplify my coding and also at the same time has a good algorithm compared to using the tiresome webgl code .

Hi guys, im a student developing android applications, i wanted to add a custom gesture in my android app such that when matched on the screen, an event is triggered depending on how it was matched and also of which dependencies include the length and weight of the gesture recorded. 

Hey guys, i'm a newbie in linux os and i wanted to reinstall a linux driver for my modem but i can't seem to know how to get to the device manager on a linux os (ubuntu 14.10), how can i get to the 'device manager' so that i can reinstall the driver?

Hello im a student working freelancer trying to develop a program in c to read/ send messages to various contacts on a sim card. Is there a souce code that i can use to do this or how can i access the contents of my sim card in linux - both sms and phone numbers?

Hi guys, im new in virtual switches and was in dire need of some assistance I have been using virtual ports using tun/tap adapter then heard of a virtual switch, how can i set up one in my Linux machine (Ubuntu 14.04), configure and use it rather than buying a whole new switch.

Hi guys, i have been using virtualbox to virtualize various kinds of os, I wanted to ask 'upto what degree can someone virtual linux os' because i noticed that one can still just as well install a virtual box software in the virtual system and what could be the factors limiting this if not possible 

Hello, im a programmer currently practicing python programming and my project involved using simplicity from which i wanted to recognize faces, i heard of an algorithm by the name adaboost and i was wondering how i can integrate it into simplicity using engine faces PCA. So i just need a walk over on the steps on how adaboost works

Hi i am a newbie in Linux os from windows os and i was looking for a software in Linux os that i can use to manage computers connected to a domain as in add users, delete user, set some rights and policies for the domain among other domain settings 

Im an ICT officer and some of the machines here use Linux operating system. I am looking for a software that can assist me to add the linux machines to the windows domain or even better if maybe all that i just need to do is to do some minor settings here and there then please assist me with the settings