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`if __name__ == '__main__'` equivalent in Ruby
...ules and scripts are supposed to stay separate, so I wouldn't be surprised if there isn't really a good, clean way of doing this.
EDIT: Found it.
if __FILE__ == $0
foo()
bar()
end
But it's definitely not common.
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Non-recursive depth first search algorithm
... +1 for noting how similar the two are when done non-recursively (as if they're radically different when they're recursive, but still...)
– corsiKa
Mar 11 '11 at 23:49
3
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How to get hex color value rather than RGB value?
...could use Number.toString(16) - at least for each hex digit (or pad with 0 if under 16)
– orip
Nov 16 '09 at 8:09
19
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How to use web-fonts legally? [closed]
...to use other commercial fonts.
Are there websites that provide free fonts? If there are.
11 Answers
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On showing dialog i get “Can not perform this action after onSaveInstanceState”
Some users are reporting, if they use the quick action in the notification bar, they are getting a force close.
16 Answers
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When should I use a table variable vs temporary table in sql server?
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I have written quite an extensive answer on the DBA site looking at the differences between the two object types. This also addresses your question about disk vs memory (I didn't see any significant difference in behaviour between the two).
Regarding the question in the title though as to when to...
Any reason to prefer getClass() over instanceof when generating .equals()?
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If you use instanceof, making your equals implementation final will preserve the symmetry contract of the method: x.equals(y) == y.equals(x). If final seems restrictive, carefully examine your notion of object equivalence to ...
Android - Setting a Timeout for an AsyncTask?
... Seems like it defeats the purpose of using AsyncTask to begin with if this timeout method runs on the main UI thread... Why not just use the handler approach that I describe in my question? Seems much more straightforward because the UI thread doesn't freeze up while waiting to run the Handl...
Java logical operator short-circuiting
...operators "short-circuit", meaning they don't evaluate the right-hand side if it isn't necessary.
The & and | operators, when used as logical operators, always evaluate both sides.
There is only one case of short-circuiting for each operator, and they are:
false && ... - it is not ne...
Is there a way to pass optional parameters to a function?
...le calling it and in the function definition have some code based on "only if the optional parameter is passed"
5 Answers
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