Post computer science related Knowledge in website

i need good technical content for my website related to any of the selected skills. The website is a newly created website and we need to build its full grown database. The quality of content is the life of any product, so we want to ensure that any one who has good knowledge of any of these selected skills should work on it. Job description: Posting technical content to website each content should be of atleast 500 words and should be his/her work only, not copied from any other blogger/any site. We will not show it as our own article it will be shown up as your work in our website. If your content will be found copied from other website we will remove it instantly and the project will be treated as not fullfilled. 100 posts required. (each with atleast 500 words and every post should be complete in itself, it should be self explanatory to problem as well as solution) Important post should not be copied from any other website.