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Pacman: how do the eyes find their way back to the monster hole?
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Thanks. I think Ill stick with this solution. Anybody knows how it was done in the original Pacman?
– RoflcoptrException
Jul 2 '10 at 7:25
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When should I make explicit use of the `this` pointer?
...;int> b;
b.foo();
}
If you omit this->, the compiler does not know how to treat i, since it may or may not exist in all instantiations of A. In order to tell it that i is indeed a member of A<T>, for any T, the this-> prefix is required.
Note: it is possible to still omit this-...
How to log a method's execution time exactly in milliseconds?
...SDate date]
#define TOCK NSLog(@"Time: %f", -[startTime timeIntervalSinceNow])
Use it like this:
TICK;
/* ... Do Some Work Here ... */
TOCK;
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How can I change the file type association of an existing file in WebStorm?
...think. I renamed it to have the .js extension which is what I wanted, but now it's stuck without any syntax highlighting. WebStorm doesn't treat it as a javascript file. I can't find anywhere to change how WebStorm treats this file. I've tried renaming it and renaming it back and that doesn't wo...
In Ruby, is there an Array method that combines 'select' and 'map'?
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Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.ev...
Is there a combination of “LIKE” and “IN” in SQL?
...that violate nearly every rule of normalization. I can't change that right now. But that's irrelevant to the question.
25 A...
Can an html element have multiple ids?
...hed using mixtures of xml:id, DOM3 Core, XML DTDs, and namespace-specific knowledge.
Edit
Just to clarify: Yes, an XHTML element can have multiple ids, e.g.
<p id="foo" xml:id="bar">
but assigning multiple ids to the same id attribute using a space-separated list is not possible.
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How do you make an element “flash” in jQuery
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Note that all modern browsers now support the regular @keyframes and animation rules, so there's no need to use any prefixed versions besides maybe -webkit- (for the Blackberry browser).
– coredumperror
Oct 16 '17 at...
What is the best method of handling currency/money?
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If you are using Postgres (and since we're in 2017 now) you might want to give their :money column type a try.
add_column :products, :price, :money, default: 0
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Which is the best Linux C/C++ debugger (or front-end to gdb) to help teaching programming? [closed]
...t it was removed from Debian and I can't install it on my Linux.. I don't know who's responsible, but he entered my list of mortal enemies and if I encounter him he'll face my wrath! Any-who; there's still a way to get it running but the UI is a little screwed-up: baptiste-wicht.com/2012/01/…
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