大约有 48,000 项符合查询结果（耗时：0.0490秒） [XML]
How to fix Python indentation
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I would reach for autopep8 to do this:
$ # see what changes it would make
$ autopep8 path/to/file.py --select=E101,E121 --diff
$ # make these changes
$ autopep8 path/to/file.py --select=E101,E121 --in-place
Note: E101 and E121 are pep8 indentation (I think you can simp...
Why doesn't Python have a sign function?
...luded sign() in math, but it wasn't accepted, because they didn't agree on what it should return in all the edge cases (+/-0, +/-nan, etc)
So they decided to implement only copysign, which (although more verbose) can be used to delegate to the end user the desired behavior for edge cases - which so...
What are the special dollar sign shell variables?
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To help understand what do $#, $0 and $1, ..., $n do, I use this script:
#!/bin/bash
for ((i=0; i<=$#; i++)); do
echo "parameter $i --> ${!i}"
done
Running it returns a representative output:
$ ./myparams.sh "hello" "how are you" "...
How to automatically convert strongly typed enum into int?
The a::LOCAL_A is what the strongly typed enum is trying to achieve, but there is a small difference : normal enums can be converted into integer type, while strongly typed enums can not do it without a cast.
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How to determine if a decimal/double is an integer?
...code for decimal.
Mark Byers made a good point, actually: this may not be what you really want. If what you really care about is whether a number rounded to the nearest two decimal places is an integer, you could do this instead:
public static bool IsNearlyInteger(double number) {
return Math....
how do I check in bash whether a file was created more than x time ago?
...tion because I googled "how to print age of file bash." So this is exactly what I was looking for!
– Noah Sussman
Sep 16 '15 at 18:52
5
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What are advantages of Artificial Neural Networks over Support Vector Machines? [closed]
...es the "advantages" given here for MLPs (fixed size, simpler training) somewhat. I am not sure that these advantages are worth it, though.
– Muhammad Alkarouri
Nov 25 '12 at 8:11
6...
Reserved keywords in JavaScript
What JavaScript keywords (function names, variables, etc) are reserved?
8 Answers
8
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What's the difference between JPA and Hibernate? [closed]
...ibernate has more features than JPA 2. But from a practical point of view, what really is the difference?
22 Answers
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Python idiom to return first item or None
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That last option is almost exactly what I'm looking for: it's clear, it works, and it doesn't require me to define a new function. I'd say "exactly" if the break were somehow not needed, because the risk of omitting it is not insignificant. But this approac...