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Hidden features of Python [closed]
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enumerate
Wrap an iterable with enumerate and it will yield the item along with its index.
For example:
>>> a = ['a', 'b', 'c', 'd', 'e']
>>> for index, item in enumerate(a): print index, item
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0 a
1 b
2 c
3 d
4 e
>>>
References:
Python tutorial—loop...
How to resolve merge conflicts in Git?
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Good point Josh. On ubuntu I've had the best luck with meld, its three way merge display isn't bad. On OSX git chose a nice default.
– Peter Burns
May 24 '11 at 5:08
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How does collections.defaultdict work?
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Usually, a Python dictionary throws a KeyError if you try to get an item with a key that is not currently in the dictionary. The defaultdict in contrast will simply create any items that you try to access (provided of course they do not exist yet). To create such a "default" item, it calls ...
Subclipse svn:ignore
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Best solution, by far. Accepted solution has no sense!
– Albert
Aug 14 '19 at 11:48
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Visual Studio: ContextSwitchDeadlock
...h "ContextSwitchDeadlock".
Then, uncheck it.
Or shortcut
Ctrl+D,E
Best.
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How to get line count of a large file cheaply in Python?
... better way of doing that without reading the entire file? Not sure... The best solution will always be I/O-bound, best you can do is make sure you don't use unnecessary memory, but it looks like you have that covered.
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Shuffle an array with python, randomize array item order with python
What's the easiest way to shuffle an array with python?
11 Answers
11
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How can I get a list of all classes within current module in Python?
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What about
g = globals().copy()
for name, obj in g.iteritems():
?
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Storing Images in DB - Yea or Nay?
...y TB of images. We've found that storing file paths in the database to be best.
There are a couple of issues:
database storage is usually more expensive than file system storage
you can super-accelerate file system access with standard off the shelf products
for example, many web servers use t...
JSON.Net Self referencing loop detected
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This is the best way to approach it if you're also using async methods. It can be a real pain, but it solves a lot of issues you would have otherwise (including this one) and also can be much more performant as you're only querying what ...