I told myself that I do not like javascript, actually it is just a joke, you never know when there is a requirement to use it.Honestly, Javascript is very powerful. Now, I learn JS not for further dee

First of all you need to check your PC have the capability to use the kernel based virtualization.Checking by using command below:sudo egrep '(vmx|svm)' --color=always /proc/cpuinfo 1flags

I have successfully installed KVM virtual machine for a very long time, but I did not do some actual jobs on it yet.Today I am started to do some developing jobs towards Hadoop eco-system, which needs

Postgres is a super excellent RDBMS and object database which integreted with various number of functionalities exceed current average level of other database productions.Rugal also become a member of

It is said that we could conveniently sending email in Java. with the requirement of my project, I started to use it for my solution. package requirementsending email in Java needs two part of jar,

I have no solution toward multi-options dealing command, When I come across this, I will have a bash script to achieve it.But now, I find a ancient but marvel tool in linux called xargs. By using xa

MathJax.Hub.Config({ tex2jax: { inlineMath: [['$','$'], ['\\(','\\)']], displayMath: [['$$','$$'], ['\[','\]']], processEscapes: true, processEnvironments: true, skipTags: ['sc

It has been disturbing me for a very long time that how Java byte-code are executed and the organization of heap/stack in JVM:Now I have a tutorial over steps towards JVM InternalsToday I will i

Sometimes I will feel a little bit of sorrow, that I do not know where to forward.Many people call it at sea. Yesterday night I feel little bit of at sea, thus I downloaded ADT for my linux.and I en

I start on studying database development with postgres recently, and I’m sure I need to start from compilation of the source code, but a compilation problem comes to me.The one I coped with is shared