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Creating an abstract class in Objective-C
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edited Sep 11 '11 at 17:43
mblackwell8
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Ruby: kind_of? vs. instance_of? vs. is_a?
...s invoke the same c function, rb_obj_is_kind_of.
– ma11hew28
Feb 7 '11 at 5:57
9
@Matt: You can o...
Catch Ctrl-C in C
...r this to work!
– kristianlm
Sep 4 '11 at 14:36
13
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Freely convert between List and IEnumerable
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– Vojislav Stojkovic
Jan 23 '09 at 13:11
@Vojislav - I was meaning in the context of the earlier example ending with ToL...
python: how to send mail with TO, CC and BCC?
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ABentSpoonABentSpoon
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What does “dereferencing” a pointer mean?
...ooking at a slightly more complex example:
double sizes[] = { 10.3, 13.4, 11.2, 19.4 };
double* p = sizes;
assert(p[0] == 10.3); // Knows to look at all the bytes in the first double value
assert(p[1] == 13.4); // Actually looks at bytes from address p + 1 * sizeof(double)
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What is the cleanest way to disable CSS transition effects temporarily?
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11 Answers
11
Active
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Is there any difference between the `:key => “value”` and `key: “value”` hash notations?
...so use anything as a key with => so you can do this:
h = { C.new => 11 }
h = { 23 => 'pancakes house?' }
but you can't do this:
h = { C.new: 11 }
h = { 23: 'pancakes house?' }
The JavaScript style (key: value) is only useful if all of your Hash keys are "simple" symbols (more or less ...