Measure user distance in MySQL

Measure user distance in MySQL

In this article, I will share with you some techniques to measure user distance in MySQL and MariaDB by computing the distance using SQL...
Calculate distance of two locations on Earth

Calculate distance of two locations on Earth

We will discuss about geographic calculation in this article, and that will be how to calculate distance of two locations on Earth using Python. Is...
Debug request and response headers using curl

Debug request and response headers using curl

Just another nice tip using curl. I will show you how to debug request and response headers using curl utility. Debug request and response headers...
Config User-Agent for curl

Config User-Agent for curl

If you can access a website using browsers, but cannot access with curl, then you might need to config User-Agent for curl client to...
Fix SSL certificate problem with PHP curl

Fix SSL certificate problem with PHP curl

In this article, I will show share with you a tip to fix SSL certificate problem with PHP curl when making HTTPS requests. Making HTTPS...