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Are trailing commas in arrays and objects part of the spec?
Are trailing commas standard in JavaScript, or do most browsers like Chrome and Firefox just tolerate them?
6 Answers
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Viewing unpushed Git commits
How can I view any local commits I've made, that haven't yet been pushed to the remote repository? Occasionally, git status will print out that my branch is X commits ahead of origin/master , but not always.
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Move all files except one
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If you use bash and have the extglob shell option set (which is usually the case):
mv ~/Linux/Old/!(Tux.png) ~/Linux/New/
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Find duplicate lines in a file and count how many time each line was duplicated?
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Assuming there is one number per line:
sort <file> | uniq -c
You can use the more verbose --count flag too with the GNU version, e.g., on Linux:
sort <file> | uniq --count
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SQL MAX of multiple columns?
... Date1
END AS MostRecentDate
[For Microsoft SQL Server 2008 and above, you may consider Sven's simpler answer below.]
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How do I create a Bash alias?
I'm on OSX and I need to put something like this, alias blah="/usr/bin/blah" in a config file but I don't know where the config file is.
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Correct way to define C++ namespace methods in .cpp file
Probably a duplicate, but not an easy one to search for...
8 Answers
8
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Programmatically align a toolbar on top of the iPhone keyboard
In several cases I want to add a toolbar to the top of the iPhone keyboard (as in iPhone Safari when you're navigating form elements, for example).
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Random number from a range in a Bash Script
I need to generate a random port number between 2000-65000 from a shell script. The problem is $RANDOM is a 15-bit number, so I'm stuck!
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Django. Override save for model
Before saving model I'm re-size a picture. But how can I check if new picture added or just description updated, so I can skip rescaling every time the model is saved?
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