Git: Combining the commits

To squash the last 3 commits into one:

git reset --soft HEAD~3
git commit -m "New message for the combined commit"

Pushing the squashed commit

If the commits have been pushed to the remote:

git push origin +name-of-branch

The plus sign forces the remote branch to accept your rewritten history, otherwise you will end up with divergent branches

If the commits have NOT yet been pushed to the remote:

git push origin name-of-branch
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Certificate : Loopback course completion

Loopback is a very power api development framework on node.js. It allows you to build your entire api system with live api documentation ( swagger ) in a very fast and secure way. I finished this course and exposed few apis for some of my clients project.

Investing time and efforts is worth in this. Go for it.

LoopBack-K2EFKET5

 

This certificate above verifies that Aseem Jain successfully completed the course Node.js : Rest Apis Development Using Loopback on April 27, 2018 as taught by Haider Malik on Udemy. The certificate indicates the entire course was completed as validated by the student.

 

 

What is a Data Driven Testing?

Essentially, data driven testing is when we test the same behavior multiple times with different parameters and assertions. A classic example of this would be testing a mathematical operation such as squaring a number. Depending on the various permutations of operands, the result will be different. In Java, the term we may be more familiar with is parameterized testing.

Groovy: Multi threaded producer consumer program

import java.util.concurrent.BlockingQueue
import java.util.concurrent.LinkedBlockingQueue

BlockingQueue queue = new LinkedBlockingQueue();

Thread.start('Producer') {
    10.times {
        println(Thread.currentThread().name + " adding $it")
        queue << it
        sleep(100)
    }
}

Thread.start('Consumer') {
    for(i in 0..9){
        sleep(200)
        print(Thread.currentThread().name)
        println("consuming ${queue.take()}")
    }
}

SDK MAN – Software Development Kit Manager

I use sdk man to maintain multiple versions of Groovy, Java, Scala. It makes switching very easy.

SDKMAN! is a tool for managing parallel versions of multiple Software Development Kits on most Unix based systems. It provides a convenient Command Line Interface (CLI) and API for installing, switching, removing and listing Candidates. Formerly known as GVM the Groovy enVironment Manager, it was inspired by the very useful RVM and rbenv tools, used at large by the Ruby community.

Installing SDKMAN! on UNIX-like platforms is as easy as ever. SDKMAN! installs smoothly on Mac OSX, Linux, Cygwin, Solaris and FreeBSD. We also support Bash and ZSH shells.
Simply open a new terminal and enter:

$ curl -s "https://get.sdkman.io" | bash

Follow the instructions on-screen to complete installation.
Next, open a new terminal or enter:

$ source "$HOME/.sdkman/bin/sdkman-init.sh"

Lastly, run the following code snippet to ensure that installation succeeded:

$ sdk version

If all went well, the version should be displayed. Something like:

  sdkman 5.0.0+51