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What is the __del__ method, How to call it?
...However, I cannot find a place where this method is used. The main reason for that is that I do not know how this method is used, probably not like that: obj1.del() . So, my questions is how to call the __del__ method?
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':app:lintVitalRelease' error when generating signed apk
I've tried to upload my apk on google play and encountered an error message: "You uploaded a debuggable APK. For security reasons you need to disable debugging before it can be published in Google Play. Learn more about debuggable APKs."
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Force HTML5 youtube video
...1"></iframe>
The video will be displayed as HTML5 if available, or fallback into flash player.
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How to properly override clone method?
...e agree that Java's clone is broken.
Josh Bloch on Design - Copy Constructor versus Cloning
If you've read the item about cloning in my book, especially if you read between the lines, you will know that I think clone is deeply broken. [...] It's a shame that Cloneable is broken, but it happens....
Including non-Python files with setup.py
...e the setuptools package_data directive. This does mean using setuptools (or distribute) instead of distutils, but this is a very seamless "upgrade".
Here's a full (but untested) example:
from setuptools import setup, find_packages
setup(
name='your_project_name',
version='0.1',
desc...
Best practices: throwing exceptions from properties
When is it appropriate to throw an exception from within a property getter or setter? When is it not appropriate? Why? Links to external documents on the subject would be helpful... Google turned up surprisingly little.
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How to convert a file into a dictionary?
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d = {}
with open("file.txt") as f:
for line in f:
(key, val) = line.split()
d[int(key)] = val
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How to call a Parent Class's method from Child Class in Python?
...f the parent class from a derived class. In Perl and Java, there is a keyword for this ( super ). In Perl, I might do this:
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Reverse a string in Python
There is no built in reverse function for Python's str object. What is the best way of implementing this method?
28 Ans...
Javascript: Setting location.href versus location
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You might set location directly because it's slightly shorter. If you're trying to be terse, you can usually omit the window. too.
URL assignments to both location.href and location are defined to work in JavaScript 1.0, back in Netscape 2, and have been implemented in every brow...