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Random Number Between 2 Double Numbers
... value many times in a row. If you need lots of random numbers then create one instance of Random and re-use it.
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Capturing touches on a subview outside the frame of its superview using hitTest:withEvent:
... return result
}
}
return nil
}
I hope this helps anyone trying to use this solution for more complex use cases.
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Anti forgery token is meant for user “” but the current user is “username”
...gouts by OAuth providers also cause this problem.
– Gone Coding
Oct 9 '13 at 13:04
18
Option 3 di...
Is “double hashing” a password less secure than just hashing it once?
...ond. The attacker can test her whole list is less than three hours if only one iteration is used. But if just 2000 iterations are used, that time extends to almost 8 months. To defeat a more sophisticated attacker—one capable of downloading a program that can tap the power of their GPU, for exampl...
How do you echo a 4-digit Unicode character in Bash?
I'd like to add the Unicode skull and crossbones to my shell prompt (specifically the 'SKULL AND CROSSBONES' (U+2620)), but I can't figure out the magic incantation to make echo spit it, or any other, 4-digit Unicode character. Two-digit one's are easy. For example, echo -e "\x55", .
...
Python list subtraction operation
... if item not in yset] which abuses nested listcomps to cache the yset as a one-liner. A slightly less ugly one-liner solution that performs adequately would be to use list(itertools.filterfalse(set(y).__contains__, x)) because the argument to filterfalse is only constructed once.
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Is there a Java API that can create rich Word documents? [closed]
...ledge of graph and table possibilities? How about tables of contents? Anyone have real experience doing those things in POI?
– billjamesdev
Oct 15 '08 at 1:15
1
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How can I determine what font a browser is actually using to render some text?
... that old answers linger like this and the community cannot update them is one of the few remaining failures of Stack Overflow.
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Finding current executable's path without /proc/self/exe
...braries that can be used to get this information, such as whereami as mentioned in prideout's answer, or if you are using Qt, QCoreApplication::applicationFilePath() as mentioned in the comments.
The portable (but less reliable) method is to use argv[0]. Although it could be set to anything by the...
Deep copy of a dict in python
..., the list in my_copy changes as well.
Solution for data structure mentioned in the question:
In [7]: my_copy = {key: value[:] for key, value in my_dict.items()}
In [8]: id(my_copy['a'])
Out[8]: 140190444024176
Or you can use deepcopy as mentioned above.
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