Seyed Vahid Hashemi questions

• need an algorithm to create nested categories in c#
• why do I get different hash value everytime I call hexdigest() in hashlib?
• Problem while working with Jquery colorbox and dynamic images that reading via Aspx
• how to stop intellij from deleting imports like "import javax.servlet.http.*;"? [duplicate]
• How to solve race condition of two writers using immutable objects
• How to add jcenter/jitpack as remote repository into apache archiva?
• is there any working/real open source Plagiarism checker available? [closed]
• can't get "rails console" to work on ubuntu 11.10
• is it possible to implement MVC for a java console app?
• how to convert a string to float and avoid using try/catch in java?

Seyed Vahid Hashemi answers