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Inverse dictionary lookup in Python
...o guarantee that it returns a single value and it does not need to be lexically first only that it be the first match and that it's behavior is stable (multiple calls on same dict over time should yield same matching element). Unless dictionaries rearrange their unmodified hashes over time as other...
Is there a Python caching library?
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Ah, I kept searching for this and all I found was a wiki that mentioned how to use it as an WSGI middleware. It looks like what I need, thank you.
– Stavros Korokithakis
Sep 15 '09 at 14:20
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Use of 'prototype' vs. 'this' in JavaScript?
...e [[Prototype]] property.
A function's this is set by how the function is called or by the use of bind (not discussed here). Where a function is called on an object (e.g. myObj.method()) then this within the method references the object. Where this is not set by the call or by the use of bind, it de...
How to encode URL parameters?
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With PHP
echo urlencode("http://www.image.com/?username=unknown&password=unknown");
Result
http%3A%2F%2Fwww.image.com%2F%3Fusername%3Dunknown%26password%3Dunknown
With Javascript:
var myUrl = "http://www.image.com/?user...
Why do people use Heroku when AWS is present? What distinguishes Heroku from AWS? [closed]
...app using Heroku. Word from my other advisor friends says that Heroku is really easy, good to use. The only problem is that I still have no idea what Heroku does...
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How do I comment on the Windows command line?
...nt one for batch file (and other) chicanery: robvanderwoude.com/batchfiles.php
– paxdiablo
Jun 8 '10 at 23:55
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Is it possible to make abstract classes in Python?
...nitions of those methods:
>>> Abstract()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: Can't instantiate abstract class Abstract with abstract methods foo
>>> class StillAbstract(Abstract):
... pass
...
>>> StillAbstr...
What is __init__.py for?
...kages as they existed in Python 3.2 and earlier. A regular package is typically implemented as a directory containing an __init__.py file. When a regular package is imported, this __init__.py file is implicitly executed, and the objects it defines are bound to names in the package’s namespace. The...
Running single test from unittest.TestCase via command line
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Just noticed that this works only if the method is called "test*", so unfortunately it cannot be used to occasionally run test that is "disabled" by rename
– Alois Mahdal
Apr 15 '13 at 12:29
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How to “perfectly” override a dict?
...or other builtins) directly. It often makes no sense, because what you actually want to do is implement the interface of a dict. And that is exactly what ABCs are for.
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