HTTP Status Codes & their Significance

What is HTTP status codes? How it helps to identify the problem in HTTP request. In this tutorial, we are going to walk through HTTP status codes & their significance.

What is HTTP status codes?

HTTP status codes are the response code of a HTTP request which tells whether the request is successfully completed or not.

For example, Suppose you have typed the URL in your browser and hit enter. This HTTP request goes to a server. If the web page does not exist it returns 404 page not found. So, 404 is a standard HTTP status code. It means the requested web page does not exist.

HTTP Status Code Response Classes

HTTP status code response is grouped into five classes.

1xx – Informational responses

2xx – Successful responses

3xx – Redirection messages

4xx – Client Error responses

5xx – Server error responses

Difference Between Double (==) and Triple (===) Equals in Javascript

What’s the difference between double and triple equals operators .  Javascript supports both supports strict equality (===) and type-converting equality (==).

In the beginning it’s seems confusing to me when i see comparison using triple equals. Later i know the reason why triple comparison is used.

In this post i am going to explain what’s the difference between double(==) and triple(===) equal operators.

Colordiff Command In Ubuntu Terminal To View Colorize Diff Of Files

If you are using diff command in Linux/Ubuntu to view diff between two files then definitely colordiff is very awesome tool for you. As compared to diff command it shows the difference between two files in color highlighting. As diff command is not very useful for visual inspection.