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Why are Python's 'private' methods not actually private?
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The name scrambling is used to ensure that subclasses don't accidentally override the private methods and attributes of their superclasses. It's not designed to prevent deliberate access from outside.
For example:
>>> class Foo(object):
... def __init__(self):
... self....
How do JavaScript closures work?
...clared outside the function, regardless of when and where the function is called.
If a function was called by a function, which in turn was called by another function, then a chain of references to outer lexical environments is created. This chain is called the scope chain.
In the following code, in...
How can I display a pdf document into a Webview?
... this ugly in your app worries me. This page is designed for desktop. This site is clearly optimized for desktop. Using this on mobile is not a good mobile experience.
– b.lit
Apr 29 '16 at 23:58
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Importing from builtin library when module with same name exists
Situation:
- There is a module in my project_folder called calendar
- I would like to use the built-in Calendar class from the Python libraries
- When I use from calendar import Calendar it complains because it's trying to load from my module.
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How to iterate over the keys and values in an object in CoffeeScript?
... a code snippet isn't sufficient. stackoverflow is not a "gimme the codez" site, the idea is that others will benefit more if the answer provides a clarification of the abstract concept.
– Eliran Malka
Apr 29 '12 at 19:21
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Determining 32 vs 64 bit in C++
...esentation. I prefer ENVIRONMENT64 / ENVIRONMENT32. Then I find out what all of the major compilers use for determining if it's a 64 bit environment or not and use that to set my variables.
// Check windows
#if _WIN32 || _WIN64
#if _WIN64
#define ENVIRONMENT64
#else
#define ENVIRONMENT32
#endif...
The tilde operator in Python
...a unary operator (taking a single argument) that is borrowed from C, where all data types are just different ways of interpreting bytes. It is the "invert" or "complement" operation, in which all the bits of the input data are reversed.
In Python, for integers, the bits of the twos-complement repr...
Finding what methods a Python object has
Given a Python object of any kind, is there an easy way to get the list of all methods that this object has?
19 Answers
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Objective-C ARC: strong vs retain and weak vs assign
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@Pascal: weak references aren't allowed in deployment targets where the os is not 5.0 or higher. So for older projects you can still use assign, but if you move to newer versions you have to switch to weak
– Mattia
Feb...
Is there any reason to use a synchronous XMLHttpRequest?
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@DouglasHeld A website called Hacker News at news.ycombinator.com
– Sami Samhuri
Dec 23 '15 at 17:12
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