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Test for non-zero length string in Bash: [ -n “$var” ] or [ “$var” ]

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Why can't I see the “Report Data” window when creating reports?

I'm creating RDLC reports in VS10. When the program is NOT running, I can see the toolbox, and add controls to the report, but the "Report Data" pane is nowhere to be found, so I can't fill the controls on my report. However, if I run the solution, the "Report Data" pane appears, and I can drag fi...
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Non-recursive depth first search algorithm

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What happens to git commits created in a detached HEAD state?

... 191 The old commit is still in the reflog. git reflog This will show a list of commits, and the...
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How can I inject a property value into a Spring Bean which was configured using annotations?

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SQL Developer is returning only the date, not the time. How do I fix this?

... | edited Dec 2 '13 at 12:45 Muhammad Ramahy 1,25611 gold badge2020 silver badges5656 bronze badges ...
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iOS 5 Best Practice (Release/retain?)

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git rebase without changing commit timestamps

... 150 Update June 2014: David Fraser mentions in the comments a solution also detailed in "Change ti...
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How do you stretch an image to fill a while keeping the image's aspect-ratio?

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