How to installing Remi Repository on LINUX
In this tutorial we will learn how to install and add the Remi Repository into LINUX (RHEL/CentOS 5-6, Fedora 12-17). Follow the simple steps below…
Latest Topics
MYSQL: How to DELETE with INNER JOIN
MYSQL: How to DELETE with INNER JOIN There are 2 tables, proxy and proxy2, and I need to delete data from proxy. proxy.md5 = proxy2.md5…
How to save animated GIF in Adobe Image Ready
Question: I want to make an animated GIF in Adobe ImageReady and save it out as a .gif file. I’ve made the animation Ok, but…
How to find out version of CentOS Linux via SSH
Step 1: Log in to SSH. Step 2: You can check centOS version installed on your dedicated derver / VPS using below SSH command: cat…
PHP: function strtoul
We know function strtoul in C++: converts the string into an unsigned long int according to the base of the number unsigned long int strtoul…
PHP: How to extract string between 2 words
How to extract string between two words. How to parse a string between two strings. We offer 3 functions to obtain a string delimited between…
PHP: How to determine the center of a Polygon
How to determine the center of a Polygon. Read first: PHP: How to calculate signed area of a Polygon Method 1: Result: array(2) { [0]=>…
PHP: How to check if polygon is concave or convex?
How to check if polygon is concave or convex? Note: It is assumed that the polygon is simple (does not intersect itself or have holes)…
PHP: How to check if the vertices of polygon are in clockwise or counter-clockwise order?
How to check if the vertices of polygon are in clockwise or counter-clockwise order? There are many of method to check this. We offer some…
PHP: How to calculate signed area of a Polygon
Calculating the signed area for an polygon can be found when you know the coordinates of the vertices. We offer 3 methods below: Method 1:…