NGINX allows you to whitelist IP addresses and allow access to specific IP ranges. Here’s how to whitelist IP in NGINX for domain, subdomain, URL, location.
How To Whitelist IP in Nginx
How To Make Your Website Load Faster
It is important to reduce loading time of website for good customer experience. Here’s how to make your website load faster and improve website performance.
How to Disable Directory Listing in Apache
Apache directory is enabled by default. Here’s how to disable Apache directory listing for your website.
How to Calculate Retention Rate in SQL?
Retention Rate is percent of users who return to use a product/service over a period of time. Here’s how to calculate retention rate in SQL. Calculate retention rate in MySQL, PostgreSQL.
How to Create Pivot Table in PostgreSQL
Pivot table & Crosstab makes in easy to analyze data. Here’s how to create pivot table in PostgreSQL.