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How to get the current time in Python
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Which version of Python was the original answer given in? Just typing datetime.datetime.now() in my Python 2.7 interactive console (IronPython hasn't updated yet) gives me the same behavior as the newer example using print() in the answer. I ...
What is the __del__ method, How to call it?
...r the function ends. In particular, unless there are circular references, CPython (the standard Python implementation) will garbage collect immediately.
However, this is an implementation detail of CPython. The only required property of Python garbage collection is that it happens after all refere...
How can I display a pdf document into a Webview?
...:name="android.support.FILE_PROVIDER_PATHS"
android:resource="@xml/file_paths" />
</provider>
Finally create a file_paths.xml file in the resources foler
<?xml version="1.0" encoding="utf-8"?>
<paths>
<files-path name="shared_pdf" path="shared_pdf"/>
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Why is __init__() always called after __new__()?
...r tuple.
From April 2008 post: When to use __new__ vs. __init__? on mail.python.org.
You should consider that what you are trying to do is usually done with a Factory and that's the best way to do it. Using __new__ is not a good clean solution so please consider the usage of a factory. Here you h...
Calling a base class's classmethod in Python
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If you're using a new-style class (i.e. derives from object in Python 2, or always in Python 3), you can do it with super() like this:
super(Derived, cls).do(a)
This is how you would invoke the code in the base class's version of the method (i.e. print cls, a), from the derived class,...
How to make a background 20% transparent on Android
....TRANSPARENT); or android:background="@android:color/transparent" in your xml if you have to force it for some reasons (obviously this color is not inherited by the child views)
– carlol
Dec 15 '16 at 16:41
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Python constructors and __init__
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There is no function overloading in Python, meaning that you can't have multiple functions with the same name but different arguments.
In your code example, you're not overloading __init__(). What happens is that the second definition rebinds the name __init__...
What does the “yield” keyword do?
What is the use of the yield keyword in Python, and what does it do?
42 Answers
42
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Correct way to add external jars (lib/*.jar) to an IntelliJ IDEA project
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Yes, but what if the Maven pom is not called pom.xml? Then it seems like I can't read Maven dependencies.
– user1001630
Jul 6 '15 at 2:25
4
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python: how to identify if a variable is an array or a scalar
... sure, but avoid type, and also check not isinstance(x, (str, unicode)) on Python 2
– jamylak
Feb 10 '15 at 11:04
Why ...