G33kzone

Wednesday, February 12, 2020

Jenkins Error - Permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock

Manish Warang February 12, 2020

While setting up Docker plugin within Jenkins one might encounter the following error Got permission denied while trying to connect ...

Tuesday, February 11, 2020

sudo

Docker Error - Got permission denied while trying to connect to the Docker daemon socket

Manish Warang February 11, 2020

Post Docker installation, you may face the following error if you execute Docker commands without "sudo". docker: Got perm...

Thursday, October 10, 2019

gitlab

Git :: Get your configuration right

Manish Warang October 10, 2019

Many of our fellow developers might use the same old laptop for work as well as personal projects. In such cases one might want ...

Tuesday, January 29, 2019

Mac OS : Set $JAVA_HOME environment variable

Manish Warang January 29, 2019

In this tutorial, we will go through the steps to set $JAVA_HOME environment variable on latest or older Mac OSX. Mac OSX 10.5 or ...

Tuesday, December 25, 2018

view hidden files

Mac OS : Quickest Way to Show/Hide Hidden Files

Manish Warang December 25, 2018

Since the release of macOS Sierra, when in Finder, it is now possible to use the shortcut: CMD + SHIFT + . Press once to show ...

Friday, December 7, 2018

STS

Lombok :: Not generating getters and setters in STS

Manish Warang December 07, 2018

If you use Spring Tool Suite IDE ( STS - by Pivotal) and have tried exploring Lombok, you might have experienced that it doesn't wor...

Saturday, November 10, 2018

status code

REST :: HTTP Status Codes

Manish Warang November 10, 2018

HTTP Status codes are issued by a server in response to to the client's request. These status codes (as part of the response message) h...

Tuesday, October 9, 2018

string string array

JAVA :: Convert String to String Array

Manish Warang October 09, 2018

Sometimes we might require to perform some string manipulations, or parse the string to validate specific positions of received input strin...

Monday, August 27, 2018

push

Push :: To Multiple Repos Simultaneously

Manish Warang August 27, 2018

This tutorial helps demonstrate the process configuration to push your source code to multiple repositories.

Tuesday, June 5, 2018

springboot

Spring Boot :: Change Default Port

Manish Warang June 05, 2018

As we all know Spring boot applications get started with embedded Tomcat server. The default application port is 8080. Property File ...

Tuesday, May 29, 2018

partition tolerance

CAP Theorem

Manish Warang May 29, 2018

CAP theorem was the term coined by Eric Brewer at the 2000 Symposium on Principles of Distributed Computing (PODC), states that it is im...

Friday, May 25, 2018

Http status code

HTTP Status Codes :: 401 vs 403

Manish Warang May 25, 2018

HTTP defines status codes, which in turn help design REST API's to be more informative. In other words, REST APIs use the Status-Line...

Sunday, May 28, 2017

rest

HTTP Status Codes :: 200 vs 202 vs 204

Manish Warang May 28, 2017

With the world embracing microservices architecture, we as developers are now heavily involved in designing / consuming API's. One of ...

Sunday, April 16, 2017

JAVA

JAVA :: difference between "==" vs equals()

Manish Warang April 16, 2017

Java's equality operator "= =" is used for reference comparison. It checks if the both the references point to the same memor...

Monday, March 13, 2017

transient

Transient keyword vs @Transient annotation

Manish Warang March 13, 2017

transient is a JAVA keyword (deals with serialization ) whereas @Transient is a JPA annotation (deals with persistence ). We as sof...

Friday, March 3, 2017

tasks

LINUX :: Kill a Process Id by looking up the port

Manish Warang March 03, 2017

We might always feel the need to find the process running on a specific port. A classic example would be a default installation of Apach...

Saturday, February 25, 2017

windows

Windows :: Kill a Process Id by looking up the port

Manish Warang February 25, 2017

Find PID of process that use a port on Windows (e.g. port:"8080") Fire the below comands via Command Line Interface n...

Sunday, February 12, 2017

Verbose

Eclipse :: Enable Verbose Garbage Collection

Manish Warang February 12, 2017

Verbose options instructs the underlying JVM to print relevant information (as per our needs) on the output console. The information provid...

Sunday, January 8, 2017

ternary operator

JAVA :: Ternary Operator

Manish Warang January 08, 2017

Interested in expressing a lot using minimal words. Well, Ternary Operator comes as saviour. Its a conditional operator which works with t...

Sunday, December 4, 2016

url

Short URLS

Manish Warang December 04, 2016

Ever felt constrainted by the number of characters while tweeting or sending an SMS or generating a mobile notification along with a URL. W...

Created By Sora Templates & My Blogger Themes

Latest Posts

Wednesday, February 12, 2020

Tuesday, February 11, 2020

Thursday, October 10, 2019

Tuesday, January 29, 2019

Tuesday, December 25, 2018

Friday, December 7, 2018

Saturday, November 10, 2018

Tuesday, October 9, 2018

Monday, August 27, 2018

Tuesday, June 5, 2018

Tuesday, May 29, 2018

Friday, May 25, 2018

Sunday, May 28, 2017

Sunday, April 16, 2017

Monday, March 13, 2017

Friday, March 3, 2017

Saturday, February 25, 2017

Sunday, February 12, 2017

Sunday, January 8, 2017

Sunday, December 4, 2016

Facebook

Recent

Comments

Blog Archive

Twitter

About Me

Contact Us

Follow us on Blog

Follow Us on Social Media