When you want to copy the result of the cell to another cell in Excel, the target displays an invalid references error messag. This error can be avoided by copying cell value into target cell and not the whole formulas.
Often in PHP you want the same block of code to run over and over again and instead of adding several almost equal lines, you can use loops to perform this task much easier.
Most of the annotations popping up while you are watching YouTube videos are really annoying, but there is a really simple on-click way to get rid of them.
Ok guys, this stone sign in the water tutorial is a bit on the advanced side, but do not be afraid to have a go, simply follow the step-by-step instructions really carefully and you should be fine, go!