Say you want to send an important file, how do you ensure that the receiver will get the exact file without any changes ?
Well, the most common approach is use hashing, which translates the file information into fixed sized … Read more
Tag: system administration
A regular expression is a sequence of characters defining a search pattern. It is one of the most powerful tools when it comes to mass text data filtering and modification.
Regular expressions often scares the newcomers but even with a … Read more
