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Why are global variables evil? [closed]
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Using globals is a horrible idea, one reason might be the inability to properly test functions that update some arbitrary dictionary that exists "somewhere". A codebase with globals cannot be actually proved functional.
– Tomasz Sosińsk...
Detecting touch screen devices with Javascript
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+1 for doing hover and click both. One other way could be using CSS media queries and using some styles only for smaller screens / mobile devices, which are the ones most likely to have touch / tap functionality. So if you have some specific styles via CSS, an...
Python idiom to return first item or None
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Python 2.6+
next(iter(your_list), None)
If your_list can be None:
next(iter(your_list or []), None)
Python 2.4
def get_first(iterable, default=None):
if iterable:
for item in iterable:
return item
return default
Example:
x ...
Visual Studio 2012 Web Publish doesn't copy files
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None of solutions above work for me. Deleting profiles and recreating, changing configuration and changing back, restarting VS, rebuild all, etc. I created a new view in my app. It's there. I can see it. When I run locall...
Standard way to embed version into python package?
...on__ is a string, but sometimes it's also a float or tuple.
Edit: as mentioned by S.Lott (Thank you!), PEP 8 says it explicitly:
Module Level Dunder Names
Module level "dunders" (i.e. names with two leading and two trailing
underscores) such as __all__, __author__, __version__, etc.
sh...
How can I distribute python programs?
...akes .app bundles. And I think that shipping mac apps in .dmg is outdated, one should use .zip. Is it possible to use distutils to just create a directory dist and copy all relevant files into that?
– Georg Schölly
Oct 13 '09 at 6:03
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What's the equivalent of use-commit-times for git?
... thread)
And some of Linus's answer were not too keen on the idea. Here is one sample:
I'm sorry. If you don't see how it's WRONG to set a datestamp back to something that will make a simple "make" miscompile your source tree, I don't know what defintiion of "wrong" you are talking about.
It's WRON...
Angular HttpPromise: difference between `success`/`error` methods and `then`'s arguments
...single argument--the response--while success and error take individual components of the response as arguments--data, status, header, and config.
– Michelle Tilley
May 5 '13 at 18:00
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What is the meaning of the term arena in relation to memory?
I'm reading a book on memory as a programming concept. In one of the later chapters, the author makes heavy use of the word arena , but never defines it. I've searched for the meaning of the word and how it relates to memory, and found nothing. Here are a few contexts in which the author uses the...
Implementing comparison operators via 'tuple' and 'tie', a good idea?
...sometimes tend to choose a std::pair , as all important stuff is already done for that datatype, like operator< for strict-weak-ordering.
The downsides though are the pretty much useless variable names. Even if I myself created that typedef , I won't remember 2 days later what first and w...