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How do I check if a variable exists?
...thout Python complaining.
However, I'm still not convinced that's a good idea - in my opinion, you should try to refactor your code so that this situation does not occur.
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Create an Android Jar library for distribution
...odd (only 343 bytes), as compared to when exporting a library to JAR. Any idea on what flags are missing?
– Shane Oliver
Nov 15 '11 at 14:35
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Can I store images in MySQL [duplicate]
...k "SQL Antipatterns" is also a chapter about this. It almost always a good idea to store images in the dabase, if you don't want the dbms memory to explode (which won't happen anyways because of special handling (stream...) you can cache the images on the file system, which is trivial (on update: de...
How to see the changes between two commits without commits in-between?
... This answer utterly fails to address the question, so I have no idea why it has so many upvotes. The OP is specifically asking how NOT to get the first command you give, and the second has nothing to do with anything.
– psusi
Sep 4 '15 at 17:51
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PyLint, PyChecker or PyFlakes? [closed]
...setuptools) and the output text is so easy to chain.
To give you a little idea of their output:
pep8:
./python_mandelbrot.py:4:11: E401 multiple imports on one line
./python_mandelbrot.py:10:1: E302 expected 2 blank lines, found 1
./python_mandelbrot.py:10:23: E203 whitespace before ':'
./python_...
What are -moz- and -webkit-? [duplicate]
...way. Myself, I think it's a sensible way of doing things; the whole prefix idea has left us with a mess of duplicate code: W3C dragged their feet over new standards, and nobody wanted to wait for them to be finalised before using new features.
– Spudley
Aug 6 '...
Useful GCC flags for C
...t I wouldn't turn them on for normal development.
-Wfloat-equal is a good idea if the developers on the project are unfamiliar with floating point, and a bad idea if they are.
-Winit-self is useful; I wonder why it's not included in -Wuninitialized.
-Wpointer-arith is useful if you have mostly-po...
C# Lazy Loaded Automatic Properties
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Here's my implementation of a solve to your problem. Basically the idea is a property that will be set by a function at first access and subsequent accesses will yield the same return value as the first.
public class LazyProperty<T>
{
bool _initialized = false;
T _result;...
How can I get the URL of the current tab from a Google Chrome extension?
...e structure akward. I would like also to avoid using global variables. any idea @thauburger?
– Thierry Dalon
Mar 11 at 9:51
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How to remove all namespaces from XML with C#?
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Well, here is the final answer. I have used great Jimmy idea (which unfortunately is not complete itself) and complete recursion function to work properly.
Based on interface:
string RemoveAllNamespaces(string xmlDocument);
I represent here final clean and universal C# solutio...