How to Find the Maximum of Two Integers without Using Comparison Operator?
This is a classic interview question: You are asked to write a function that returns a bigger number of both, without using any comparison operator, such as if, or …
How to Find Out Whether a Machine is Big Endian or Little Endian in C/C++?
According to Wiki, the big endian or small endian are two ways of storing bytes of data e.g. 32-bit integer in memory locations. For Big Endian Representations, the Most …
What is R1Soft Continuous Data Protection?
Does “R1Soft Continuous Data Protection” have impact on the server performance? R1Soft Continuous Data Protection is ran on your server at the block device level, so should have no …
How to Add Disqus if Comments are Closed in WordPress?
WordPress has inhouse comment system. The commenting text is part of the article text and thus can be indexed by search engines. However, the WP blogging commenting system is …
The PHP Bing Wallpaper Bot Crawler
The Bing has updated a wall paper everyday and we can create a PHP script to crawl it automatically everyday, which can be set to crontab job daily. // …
How to Hide a File in JPEG under Linux Shell?
As we know, the JPEG can be appended data at its end without causing troubles in displaying its image content. Under Linux OS, we can use the following two …