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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 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...
Creating range in JavaScript - strange syntax
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+1000
Understanding this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.app...
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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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>...
Creating dataframe from a dictionary where entries have different lengths
Say I have a dictionary with 10 key-value pairs. Each entry holds a numpy array. However, the length of the array is not the same for all of them.
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Does List guarantee insertion order?
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edited Dec 20 '17 at 13:22
UuDdLrLrSs
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Access an arbitrary element in a dictionary in Python
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edited May 15 at 15:06
gmelodie
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answered Jun 22 '10 at 23:28
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Check play state of AVPlayer
...t; duration]);
CMTime firstThird = CMTimeMakeWithSeconds(durationSeconds/3.0, 1);
CMTime secondThird = CMTimeMakeWithSeconds(durationSeconds*2.0/3.0, 1);
NSArray *times = [NSArray arrayWithObjects:[NSValue valueWithCMTime:firstThird], [NSValue valueWithCMTime:secondThird], nil];
self.playerObserver...