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Compare integer in bash, unary operator expected

... specifying a default value for $i if $i is blank, as follows: if [ "${i:-0}" -ge 2 ] ; then ... This will substitute the value 0 instead of $i is $i is undefined. I still maintain the quotes because, again, if $i is a bunch of blanks then it does not count as undefined, it will not be replaced ...
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Regex not operator

Is there an NOT operator in Regexes? Like in that string : "(2001) (asdf) (dasd1123_asd 21.01.2011 zqge)(dzqge) name (20019)" ...
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Remote Connections Mysql Ubuntu

...ss bind-address = xxx.xxx.xxx.xxx Or add a bind-address = 0.0.0.0 if you don't want to specify the IP Then stop and restart MySQL with the new my.cnf entry. Once running go to the terminal and enter the following command. lsof -i -P | grep :3306 That should come back something l...
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Open a buffer as a vertical split in VIM

... 207 Try: :vert sb N which will open a left vertical split (by default, unless you have modified ...
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How to remove the lines which appear on file B from another file A?

... 207 If the files are sorted (they are in your example): comm -23 file1 file2 -23 suppresses the ...
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Maven: best way of linking custom external JAR to my project?

... 209 You can create an In Project Repository, so you don't have to run mvn install:install-file eve...
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How to create file execute mode permissions in Git on Windows?

...Temp\TestRepo>git add foo.sh C:\Temp\TestRepo>git ls-files --stage 100644 e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 0 foo.sh As you note, after adding, the mode is 0644 (ie, not executable). However, we can mark it as executable before committing: C:\Temp\TestRepo>git update-index...
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C compile error: “Variable-sized object may not be initialized”

... 10 Answers 10 Active ...
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What encoding/code page is cmd.exe using?

...e start of each file for a UTF-16LE Byte Order Mark (BOM), i.e. the bytes 0xFF 0xFE. If it finds such a mark, it displays the Unicode characters in the file using WriteConsoleW regardless of the current codepage. But when typeing any file without a UTF-16LE BOM, or for using non-ASCII characters wi...
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Installing specific package versions with pip

...s here: http://pypi.python.org/pypi/MySQL-python/1.2.2 The download link 404s and the fallback URL links are re-directing infinitely due to sourceforge.net's recent upgrade and PyPI's stale URL. So to properly install the driver, you can follow these steps: pip uninstall MySQL_python pip install ...