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tutorials

158 posts

How to configure Grafana (Free version) with oAuth Okta, with SSL on Docker,Nginx and Load dashboard from json

How to configure Grafana (Free version) with oAuth Okta, with SSL on Docker,Nginx and Load dashboard from json

Introduction In this post, we will see: use Grafana Community Edition (Free…

How to sync Mongodb data to ElasticSearch by using MongoConnector

How to sync Mongodb data to ElasticSearch by using MongoConnector

Introduction This post is about syncing your mongodo database data to…

How to run MongoDB replica set on Docker

How to run MongoDB replica set on Docker

Introduction This post is about hosting MongoDB replica set cluster with…

How to run ElasticSearch cluster on Docker with Kibana on Linux

How to run ElasticSearch cluster on Docker with Kibana on Linux

Introduction This post is about hosting ElasticSearch cluster on dockerised…

How to use NPM Rest API to get audit (npm audit) result

How to use NPM Rest API to get audit (npm audit) result

Introduction Npm has a tool called: npm audit which reports if your packages or…

How to solve java issue - could not load main class - Visual Studio Code

How to solve java issue - could not load main class - Visual Studio Code

Assuming you have a java project and is using Visual Studio Code as IDE. All of…

Solving Jboss Wildfly Oracle JDBC driver problem, with Dockerfile

Solving Jboss Wildfly Oracle JDBC driver problem, with Dockerfile

Assuming your web application is using oracle, and you are deploying your app on…

How to take Mongodb Backup and Restore

How to take Mongodb Backup and Restore

Pre-requisite Assuming you have a mongodb database, and you want to take backup…

Implement a command line shell by using Command Dispatcher in Python

Implement a command line shell by using Command Dispatcher in Python

Lets implement a command shell by using a command dispatcher. The objective is…

Multithreading in Python, Lets clear the confusion between Multithreading and Multiprocessing

Multithreading in Python, Lets clear the confusion between Multithreading and Multiprocessing

So, you want to run your code in parallel so that your can process faster, or…

Implementation of Timeit function, Get performance numbers for a function

Implementation of Timeit function, Get performance numbers for a function

This is regarding the timeit implementation in python. The basic requirement…

React JS router not working on Nginx docker container

React JS router not working on Nginx docker container

Problem Statement I developed a simple ReactJS application where I have used…

Visual Studio Code - How to associate file extension to a known programming language

Visual Studio Code - How to associate file extension to a known programming language

Problem Statement I have a drupal module, where there is a file of extension…

Java - Union and Intersection of two lists

Java - Union and Intersection of two lists

Suppose you have two lists, and you want Union and Intersection of those two…

Python 3 - Magical Methods and Tricks with extremely useful methods

Python 3 - Magical Methods and Tricks with extremely useful methods

This post will show some really awesome tricks in python. Get the power of a…

Git shortcuts - Helpful shortcuts for git users

Git shortcuts - Helpful shortcuts for git users

Github is an awesome place of storing your code. Now, it also allows you to have…

Python 3 - Fun with Python String

Python 3 - Fun with Python String

This post some useful tips of using strings, and some issues while dealing with…

Python 3 - Format String fun

Python 3 - Format String fun

This post is dedicated for cases where we intend to append a variable value in a…

Drupal 8 - How to show view user data to owner user only

Drupal 8 - How to show view user data to owner user only

Introduction to Problem I have some data related to users. For example: which…

Understanding and Solving pylint errors for Python 3

Understanding and Solving pylint errors for Python 3

Pylint is an excellent tool to have good quality code. This post is not about…

Eclipse/STS IDE showing compilation errors in java code inspite of all dependencies installed

Eclipse/STS IDE showing compilation errors in java code inspite of all dependencies installed

I have a Java project and dependencies are being managed through maven. I have…