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C dynamically growing array
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int i;
initArray(&a, 5); // initially 5 elements
for (i = 0; i < 100; i++)
insertArray(&a, i); // automatically resizes as necessary
printf("%d\n", a.array[9]); // print 10th element
printf("%d\n", a.used); // print number of elements
freeArray(&a);
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Round to at most 2 decimal places (only if necessary)
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Use Math.round(num * 100) / 100
Edit: to ensure things like 1.005 round correctly, we use
Math.round((num + Number.EPSILON) * 100) / 100
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Create an empty data.frame
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digEmAlldigEmAll
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3
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How can I import Swift code to Objective-C?
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edited Aug 3 '18 at 10:22
Bart van Kuik
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answered Jun 8 '...
Python os.path.join on Windows
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answered Mar 11 '10 at 5:52
Roger PateRoger Pate
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Accessing items in an collections.OrderedDict by index
...redDict is only a tiny bit faster than items()[0]. With an OrderedDict of 10,000 entries, next(iter(d.items())) was about 200 times faster than items()[0].
BUT if you save the items() list once and then use the list a lot, that could be faster. Or if you repeatedly { create an items() iterator a...
Relational Database Design Patterns? [closed]
...each.
– DarrellNorton
Jun 16 '13 at 10:59
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jQuery get the location of an element relative to window
... left: 40px;
color: #333;
}
#scroll {
position: fixed;
bottom: 10px;
right: 10px;
border: 1px solid #000;
border-radius: 2px;
padding: 5px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="log"></div&g...
Replace a string in a file with nodejs
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answered Jan 6 '13 at 10:12
asgothasgoth
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How do I list all cron jobs for all users?
.../etc/cron.monthly/...?
– Abdull
Nov 10 '15 at 13:45
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