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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
gurch101gurch101
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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...
How to import load a .sql or .csv file into SQLite?
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162
To import from an SQL file use the following:
sqlite> .read <filename>
To import fro...
Dictionary text file [closed]
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227
What about /usr/share/dict/words on any Unix system? How many words are we talking about? Like...
Rotating a point about another point (2D)
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twe4ked
2,6091717 silver badges2323 bronze badges
answered Feb 13 '10 at 23:18
Nils PipenbrinckNils Pipenbrin...