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Recent Articles

Pro: Looking at a specific commit in GitHub

In order to follow the development of search.cpan.org clone (or any other project using GitHub for that matter) you might want to look at snapshots of the project at various commits.

Here is what you can do:


Looking at a specific commit in GitHub


How to read a password on the command line?

If a script needs to use a password to do something there are several choices. There are many insecure solutions and a few that are more secure.


How to read a password on the command line?


Regex character classes

In the previous article we saw how regular characters match themselves and how dot . can match any character.

A character class is something in between those two extremes. A character class is a list of characters that can be matched.

The list is placed in square brackets [].

For example [abc] will match either 'a' or 'b' or 'c'.


Regex character classes


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