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NSInvocation for Dummies?
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284
According to Apple's NSInvocation class reference:
An NSInvocation is an Objective-C messa...
Constant Amortized Time
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792
Amortised time explained in simple terms:
If you do an operation say a million times, you don't...
Natural Sort Order in C#
....Unicode)]
private static extern int StrCmpLogicalW(string psz1, string psz2);
Michael Kaplan has some examples of how this function works here, and the changes that were made for Vista to make it work more intuitively. The plus side of this function is that it will have the same behaviour as the ...
How to add a spinner icon to button when it's in the Loading state?
...:33
SHAZ
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answered Feb 10 '13 at 4:11
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How to convert a string to number in TypeScript?
...nt or parseFloat functions, or simply use the unary + operator:
var x = "32";
var y: number = +x;
All of the mentioned techniques will have correct typing and will correctly parse simple decimal integer strings like "123", but will behave differently for various other, possibly expected, cases (l...
Rails 4 Authenticity Token
I was working on a new Rails 4 app (on Ruby 2.0.0-p0) when I ran into some authenticity token problems.
13 Answers
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How to print Unicode character in Python?
... Python source code, you can use Unicode escape characters in the form \u0123 in your string, and prefix the string literal with 'u'.
Here's an example running in the Python interactive console:
>>> print u'\u0420\u043e\u0441\u0441\u0438\u044f'
Россия
Strings declared like this ar...
Use curly braces to initialize a Set in Python
...yntax:
my_set = {'foo', 'bar', 'baz'}
It's not available before Python 2.7
There's no way to express an empty set using that syntax (using {} creates an empty dict)
Those may or may not be important to you.
The section of the docs outlining this syntax is here.
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Why fragments, and when to use fragments instead of activities?
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290
#1 & #2 what are the purposes of using a fragment & what are the
advantages and d...