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How to sort two lists (which reference each other) in the exact same way
...ur')
These of course are no longer lists, but that's easily remedied, if it matters:
>>> list1, list2 = (list(t) for t in zip(*sorted(zip(list1, list2))))
>>> list1
[1, 1, 2, 3, 4]
>>> list2
['one', 'one2', 'two', 'three', 'four']
It's worth noting that the above may ...
Is there a standard way to list names of Python modules in a package?
...here a straightforward way to list the names of all modules in a package, without using __all__ ?
10 Answers
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PHP passing $_GET in linux command prompt
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Typically, for passing arguments to a command line script, you will use either argv global variable or getopt:
// bash command:
// php -e myscript.php hello
echo $argv[1]; // prints hello
// bash command:
// php -e myscript.php -f=world
$opts = getopt('f:');
echo $opts['f']; // prints world
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What's the (hidden) cost of Scala's lazy val?
...e of Scala is lazy val , where the evaluation of a val is delayed until it's necessary (at first access).
6 Answers
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How to divide flask app into multiple py files?
My flask application currently consists of a single test.py file with multiple routes and the main() route defined. Is there some way I could create a test2.py file that contains routes that were not handled in test.py ?
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Is there a range class in C++11 for use with range based for loops?
I found myself writing this just a bit ago:
8 Answers
8
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How to create the most compact mapping n → isprime(n) up to a limit N?
... there would be a data structure I could query.
I define the best algorithm , to be the algorithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant.
Just an example of what I am looking for: I could represent every odd number with one bit...
Using os.walk() to recursively traverse directories in Python
I want to navigate from the root directory to all other directories within and print the same.
13 Answers
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What's the difference between :: (double colon) and -> (arrow) in PHP?
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This means that -> is mostly used to access instance members (though it can also be used to access static members, such usage is discouraged), while :: is usually used to access static members (though in a few special cases, it's used to access instance members).
In general, :: is used for sc...
How to select a single field for all documents in a MongoDB collection?
In my MongoDB, I have a student collection with 10 records having fields name and roll . One record of this collection is:
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