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How can I make gdb save the command history?
...t answer: echo 'set history save on' >> ~/.gdbinit && chmod 600 ~/.gdbinit
Long answer:
Command history is covered in the GDB manual, 22.3 Command History. Create a file $HOME/.gdbinit, change its permissions to 0600, and add the following content:
set history save on
You can se...
What does the servlet value signify
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Resin 3.0 documents this behavior:
load-on-startup can specify an (optional) integer value. If the value is 0 or greater,
it indicates an order for servlets to be loaded, servlets with higher numbers get
loaded after servlets...
MongoDB inserts float when trying to insert integer
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db.data.update({'name': 'zero'}, {'$set': {'value': NumberInt(0)}})
You can also use NumberLong.
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What is the proper way to check if a string is empty in Perl?
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answered Jan 11 '10 at 23:20
Greg HewgillGreg Hewgill
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how to customize `show processlist` in mysql?
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answered May 30 '09 at 12:09
AndomarAndomar
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What replaces cellpadding, cellspacing, valign, and align in HTML5 tables?
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504
/* cellpadding */
th, td { padding: 5px; }
/* cellspacing */
table { border-collapse: separate...
How do I get whole and fractional parts from double in JSP/Java?
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102
http://www.java2s.com/Code/Java/Data-Type/Obtainingtheintegerandfractionalparts.htm
double num...
How do you use the ellipsis slicing syntax in Python?
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105
Ellipsis, or ... is not a hidden feature, it's just a constant. It's quite different to, say, j...
How to get unique values in an array
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120
Since I went on about it in the comments for @Rocket's answer, I may as well provide an example ...
html5 - canvas element - Multiple layers
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<div style="position: relative;">
<canvas id="layer1" width="100" height="100"
style="position: absolute; left: 0; top: 0; z-index: 0;"></canvas>
<canvas id="layer2" width="100" height="100"
style="position: absolute; left: 0; top: 0; z-index: 1;"></canvas>...