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Should I use encoding declaration in Python 3?
... followed by a recognised codec).
Note that it only applies to how Python reads the source code. It doesn't apply to executing that code, so not to how printing, opening files, or any other I/O operations translate between bytes and Unicode. For more details on Python, Unicode, and encodings, I str...
Mocking a class: Mock() or patch()?
...ck with Python and was wondering which of those two approaches is better (read: more pythonic).
2 Answers
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Hidden features of Python [closed]
...rgument
For instance:
def seek_next_line(f):
for c in iter(lambda: f.read(1),'\n'):
pass
The iter(callable, until_value) function repeatedly calls callable and yields its result until until_value is returned.
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How do you reverse a string in place in C or C++?
...ed XOR-swap for this simple version, too. Fixed for the benefit of future readers of this popular question. XOR-swap is highly not recommended; hard to read and making your code compile less efficiently. You can see on the Godbolt compiler explorer how much more complicated the asm loop body is w...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
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@CharlesBretana: if you read the rest of the sentence you quoted, you will find the exact explanation you are requesting.
– chaos
Feb 17 '16 at 16:07
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Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...alization format for your data, JSON is smaller, lighterweight, more human readable, and generally faster than XML.
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How to efficiently concatenate strings in go
In Go, a string is a primitive type, which means it is read-only, and every manipulation of it will create a new string.
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When should I use uuid.uuid1() vs. uuid.uuid4() in python?
...isions.
This excellent answer by Bob Aman sums it up nicely. (I recommend reading the whole answer.)
Frankly, in a single application space
without malicious actors, the
extinction of all life on earth will
occur long before you have a
collision, even on a version 4 UUID,
even if you'...
angular.service vs angular.factory
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I'm not sure how many times I'll have to read about the difference between service and factory before I'm convinced both of them are necessary
– DMac the Destroyer
Dec 15 '14 at 17:37
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What does appending “?v=1” to CSS and Javascript URLs in link and script tags do?
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The hash solution is nice but not really human readable when you want to know what version of file is sitting in your local web folder. The solution is to date/time stamp your version so you can easily compare it against your server file.
For example, if your .js or .cs...