I have a small PERL script that downloads files via FTP. The issue is that this script locks the file while downloading meaning that the person on the other side can not write to it (it is a text file) while the script is downloading the file.
I've just discovered very important differences between Windows an Unix formats in Perl,at least 5.xx..
Use Unix file format while saving Your script.
otherwise it will have ^M s or smth likely weird in the EOL,
Then DO NOT use m…
A year or so back I was asked to have a play with MongoDB; within half an hour I had downloaded (http://www.mongodb.org/downloads), installed and started the daemon, and had a console window open.
After an hour or two of playing at the command …
Explain concepts important to validation of email addresses with regular expressions. Applies to most languages/tools that uses regular expressions.
Consider email address RFCs:
Look at HTML5 form input element (with type=email) regex pattern: