Category: tricks

In C/C++ header file stdlib.h there is a function strtol which will convert given string to a long int at the specified base. The function prototype takes three parameters. The first parameter …

This is one of my favourite useful tips in Excel. Sometime, you have a less-accurate data set with a lower resolution. However, partial data cannot be fit into the program. …

If we want to know whether a given string has repeated characters, the simplest way is to use the existing method of finding first occurrence from the end of …

As we all know, we can store a set of boolean values (Yes or No, True of False) in a integer (signed or unsigned). For example, you can define …

PHPBB is a forum that is easy to use and powerful. I recently decided to migrate a phpbb forum to a new domain, in order to attract more traffic. …