Indexing, Retrieving, Deleting Documents in Elastic Search (Using Kibana)

elastic-search-kibana

Indexing, Retrieving, Deleting Documents in Elastic Search (Using Kibana) Elasticsearch (ELK Stack) – Part 1 I have been playing around with ELK (Elasticsearch, Logstash, Kibana – Elastic Stack) and I though I would paste some of my notes here. The

Read More Indexing, Retrieving, Deleting Documents in Elastic Search (Using Kibana)

Python – Difference Between “is” and “==” (double equals)

Python - Difference Between is and double equals

This may be a point where a lot of you may get confused. I see some people using them in if conditions without actually knowing what they do. Let me try to explain the concept with a couple of lines of

Read More Python – Difference Between “is” and “==” (double equals)

What is a Java Bean? Is it Just Any Java Class?

javabeans

What is a Java Bean? Is it just any java class? The answer is no! Many people think when they say “Java Bean” they are talking about just any java class, but this is not the case. A Bean is

Read More What is a Java Bean? Is it Just Any Java Class?

Difference between a Framework and a Library

difference-library-framework

Recently, I heard 2 of my friends talking about the difference between a framework and a library, and I thought some may need a clear explanation to see the difference. Check out the simple diagram below. Library A library is essentially

Read More Difference between a Framework and a Library

Django – Difference Between Filter and Get

django-difference-filter-get

For the new comers Django’s Get and Filter functions may be consuming when it comes to decide which one to use. The primary difference between the two is Get will return exactly one object while Filter will return a query

Read More Django – Difference Between Filter and Get

How to check if Insert query succeeded in PHP

check-database-query-success-php

Here is another post to help out PHP beginners. So you created your connection object, wrote your query, created a statement object, bound your variables to protect yourself against injection attacks etc. Now you execute your query and wanna see if

Read More How to check if Insert query succeeded in PHP

How to detect which button was clicked and which button submits form data in PHP

detect-which-button-clicked-php

This is will a PHP basics posts. I see this question is asked a lot by the beginners so here it goes. Let’s see how you can detect which button was clicked in a PHP form. Detecting Which Button was

Read More How to detect which button was clicked and which button submits form data in PHP

String Concatenation in Ruby

There are various ways that you can do string concatenation in Ruby: 1- Concatenate using “+” operator

2- Concatenate without the “+” operator

3- Concatenate using “<<” operator

4- Concatenate using “concat” method

5- Create an

Read More String Concatenation in Ruby

Difference Between Relative, Absolute and Fixed Positioning

If you are a web developer/webmaster, it is imperative that you understand positioning and know how relative, absolute and fixed positioning works. In this post, I will try to briefly explain how they work so that you can see the

Read More Difference Between Relative, Absolute and Fixed Positioning

Difference Between Hashing and Encryption

When it comes to security, you will hear a lot of people talking about things like hashing and encryption. But what are they? What are the differences? What are the practical approaches when it comes to choose which one to use? In

Read More Difference Between Hashing and Encryption