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How can I do an asc and desc sort using underscore.js?
...gative sign to the return to descend the list:
_.sortBy([-3, -2, 2, 3, 1, 0, -1], function(num) {
return -num;
}); // [3, 2, 1, 0, -1, -2, -3]
Under the hood .sortBy uses the built in .sort([handler]):
// Default is ascending:
[2, 3, 1].sort(); // [1, 2, 3]
// But can be descending if you p...
What's the “average” requests per second for a production web application?
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105
OpenStreetMap seems to have 10-20 per second
Wikipedia seems to be 30000 to 70000 per second s...
How to load local script files as fallback in cases where CDN are blocked/unavailable? [duplicate]
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Unable to understand useCapture parameter in addEventListener
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Rob WRob W
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Mockito - difference between doReturn() and when()
...d ibn KareemDawood ibn Kareem
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Learn C first before learning Objective-C [closed]
... direction potentially leading to developing the wrong orientation and mindset for fostering a good object-oriented programming discipline. Just because Objective-C is an extension to the C language doesn’t mean you have to learn C first!
I think that teaching Objective-C and the underlying C lan...
What is the best way to clone/deep copy a .NET generic Dictionary?
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Okay, the .NET 2.0 answers:
If you don't need to clone the values, you can use the constructor overload to Dictionary which takes an existing IDictionary. (You can specify the comparer as the existing dictionary's comparer, too.)
If you do ...
How do I find the location of my Python site-packages directory?
...nfig.get_paths()["purelib"])'
The per user site-packages directory (PEP 370) is where Python installs your local packages:
python -m site --user-site
If this points to a non-existing directory check the exit status of Python and see python -m site --help for explanations.
Hint: Running pip list...
When to use -retainCount?
...hink that @"Foo" would have a retainCount of 1. It doesn't. It's 1152921504606846975.
You'd think that [NSString stringWithString:@"Foo"] would have a retainCount of 1. It doesn't. Again, it's 1152921504606846975.
Basically, since anything can retain an object (and therefore alter its retainCo...