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MYSQL OR vs IN performance
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251
I needed to know this for sure, so I benchmarked both methods. I consistenly found IN to be mu...
Difference between document.addEventListener and window.addEventListener?
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edited Feb 23 '16 at 22:39
answered Aug 20 '12 at 21:31
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What's the difference between an exclusive lock and a shared lock?
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424
I wrote this answer down because I thought this would be a fun (and fitting) analogy:
Think of...
Why were pandas merges in python faster than data.table merges in R in 2012?
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120
It looks like Wes may have discovered a known issue in data.table when the number of unique str...
How to disable textarea resizing?
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322
You can use css
disable all
textarea { resize: none; }
only vertical resize
textarea { r...
Passing variables in remote ssh command
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If you use
ssh pvt@192.168.1.133 "~/tools/run_pvt.pl $BUILD_NUMBER"
instead of
ssh pvt@192.168.1.133 '~/tools/run_pvt.pl $BUILD_NUMBER'
your shell will interpolate the $BUILD_NUMBER before sending the command string to the remote host.
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MySQL Database won't start in XAMPP Manager-osx
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What does the 'L' in front a string mean in C++?
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92
'L' means wchar_t, which, as opposed to a normal character, requires 16-bits of storage rather t...
NSObject +load and +initialize - What do they do?
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2 Answers
2
Active
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Flask-SQLalchemy update a row's information
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213
Retrieve an object using the tutorial shown in the Flask-SQLAlchemy documentation. Once you ha...