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What does a tilde do when it precedes an expression?
...rator that flips all bits in its operand.
For example, if your number was 1, its binary representation of the IEEE 754 float (how JavaScript treats numbers) would be...
0011 1111 1111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
So ~ converts its operand to a 32 bit integer (...
How to load db:seed data into test database automatically?
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The db:seed rake task primarily just loads the db/seeds.rb script. Therefore just execute that...
A std::map that keep track of the order of insertion?
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Implementing INotifyPropertyChanged - does a better way exist?
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Create, read, and erase cookies with jQuery [duplicate]
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Use JavaScript Cookie plugin
Set a cookie
Cookies.set("example", "foo"); // Sample 1
Cookies.set...
Insert text with single quotes in PostgreSQL
...$
Which can be nested any number of levels:
$token2$Inner string: $token1$escape ' with ''$token1$ is nested$token2$
Pay attention if the $ character should have special meaning in your client software. You may have to escape it in addition. This is not the case with standard PostgreSQL clients...
Why is extending native objects a bad practice?
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When you extend an object, you change its behaviour.
Changing the behaviour of an object that...
Difference between 'struct' and 'typedef struct' in C++?
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In C++, there is only a subtle difference. It's a holdover from C, in which it makes a diffe...