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What does functools.wraps do?
...otation on the values copied over. Fundamentally, it's an extension of the Python philosophy that explicit is better than implicit and special cases aren't special enough to break the rules. (The code is much simpler and the language easier to understand if @wraps must be provided manually, rather t...
Rails has_many with alias name
...ed Jul 31 '15 at 7:17
Mickaël Rémond
8,65911 gold badge1919 silver badges4242 bronze badges
answered Jul 22 '09 at 4:32
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How to raise a ValueError?
... name for this function. Adding to the possible confusion is the fact that Python already has a container object method named __contains__() that does something a little different, membership-testing-wise.
def contains(char_string, char):
largest_index = -1
for i, ch in enumerate(char_strin...
java.nio.file.Path for a classpath resource
...mException. @Holger response works well for me.
– José Andias
Apr 18 '17 at 13:54
I wouldn't close the FileSystem. I...
Regex doesn't work in String.matches()
...ly C++ has an equivalent set of methods - regex_search and regex_match. In Python, re.match only anchors the match at the start of the string (as if it were \Apattern) and Python 3.x has got a nice .fullmatch() method. In JS, Go, PHP and .NET, the there are no regex methods that anchor the match imp...
When to use pip requirements file versus install_requires in setup.py?
I'm using pip with virtualenv to package and install some Python libraries.
4 Answers
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How can I check the extension of a file?
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Use pathlib From Python3.4 onwards.
from pathlib import Path
Path('my_file.mp3').suffix == '.mp3'
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converting drawable resource image into bitmap
... getDrawable is deprecated
– Junior Mayhé
Jun 8 '17 at 1:24
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Extending from two classes
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@MészárosLajos But you do not call super from in a method inheriting. Well, you can, but you have to specify the interface method to invoke(and it must use the keyword default in the interface implementation). An example is: ...
How do I run a node.js app as a background service?
... what is the correct path in AWS EC2 Linux AMI?
– René Michel
Jan 18 '16 at 19:02
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