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List comprehension vs map
...$ python -mtimeit -s'xs=range(10)' 'map(hex, xs)'
100000 loops, best of 3: 4.86 usec per loop
$ python -mtimeit -s'xs=range(10)' '[hex(x) for x in xs]'
100000 loops, best of 3: 5.58 usec per loop
An example of how performance comparison gets completely reversed when map needs a lambda:
$ python -...
Variable's scope in a switch case [duplicate]
I think I don't understand how the scope works in a switch case.
7 Answers
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Is there a function that returns the current class/method name? [duplicate]
In C#, is there a function that returns the current class/method name?
6 Answers
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DateTime “null” value
I've been searching a lot but couldn't find a solution. How do you deal with a DateTime that should be able to contain an uninitialized value (equivalent to null)? I have a class which might have a DateTime property value set or not. I was thinking of initializing the property holder to DateTime.Min...
How to solve “Fatal error: Class 'MySQLi' not found”?
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How many system resources will be held for keeping 1,000,000 websocket open? [closed]
Websocket is good, but would it be able to handle 1,000,000 concurrent connections?
How many system resources will be held for keeping 1,000,000 websocket open?
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Substitute multiple whitespace with single whitespace in Python [duplicate]
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What is the most accurate way to retrieve a user's correct IP address in PHP?
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Dharman
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answered Jan 9 '10 at 1:23
Alix AxelAlix Axel
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Difference between the Facade, Proxy, Adapter and Decorator design patterns? [closed]
What is the difference between the Facade, Proxy, Adapter, and Decorator design patterns?
2 Answers
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How to sum up an array of integers in C#
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