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Is log(n!) = Θ(n·log(n))?
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307
Remember that
log(n!) = log(1) + log(2) + ... + log(n-1) + log(n)
You can get the upper bou...
Printing without newline (print 'a',) prints a space, how to remove?
... Note that it works for multiplication of any length string (e.g. 'foo' * 20 works).
>>> print 'a' * 20
aaaaaaaaaaaaaaaaaaaa
If you want to do this in general, build up a string and then print it once. This will consume a bit of memory for the string, but only make a single call to print...
Value cannot be null. Parameter name: source
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anaximanderanaximander
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ViewDidAppear is not called when opening app from background
I have a View Controller in which my value is 0 (label) and when I open that View Controller from another ViewController I have set viewDidAppear to set value 20 on label. It works fine but when I close my app and than again I open my app but the value doesn't change because viewDidLoad , vie...
Why aren't variable-length arrays part of the C++ standard?
...ints is "Legitimate Use of Variable Length Arrays" (Chris Wellons, 2019-10-27).
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Why is exception handling bad?
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edited Jun 7 '18 at 22:00
Deduplicator
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XMLHttpRequest Origin null is not allowed Access-Control-Allow-Origin for file:/// to file:/// (Serv
...t this on all the time. This still appears to be an open issue (as of Jan 2011).
See also: Problems with jQuery getJSON using local files in Chrome
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Iterate keys in a C++ map
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70
If you really need to hide the value that the "real" iterator returns (for example because you w...
Convert special characters to HTML in Javascript
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answered Apr 24 '09 at 5:15
StevenSteven
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Get index of element as child relative to parent
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$("#wizard li").click(function () {
console.log( $(this).index() );
});
However rather tha...