Thumbnails are small previews of images you have in different folders on your computer. If you don't like them, they can be disabled. Just check out this article: Remove previews from Windows Explorer. The size of the thumbnails is a default one, and it can not be modified by normal methods. ...

There are several ways I’ve seen over the years of interchanging 2 variables. I’ll show you here how you can do it with bitwise operations. This method is most efficient when used in combination with assembler. In C++ it is looked at more like a curiosity than a real method by most. However if you would want to make your C++ code harder to read, then this can be helpful. ...

Images, even if they are big or small are usually full of colour. However, in certain situations you may want to check if an image is indeed grayscale or not. You can do this using PHP and its image manipulation functions. ...

Mozilla Firefox is known for being much safer than other browsers, but sometimes you can get some strange error messages, in most cases because of incompatible extensions. Still, there is no need to despair, it is very easy to fix them. ...

As our life gets more and more complicated, we are much more susceptible to mistakes. How many times did you delete or modify a file before realizing the old version was much better? Things like this can be avoided by simply making backups of your files.. and why not do it automatically? ...