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Most efficient way of making an if-elif-elif-else statement when the else is done the most?
...aster, but it's actually slower than the if ... elif ... else construct, because it has to call a function, which can be a significant performance overhead in a tight loop.
Consider these examples...
1.py
something = 'something'
for i in xrange(1000000):
if something == 'this':
the_t...
What does pylint's “Too few public methods” message mean
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The error basically says that classes aren't meant to just store data, as you're basically treating the class as a dictionary. Classes should have at least a few methods to operate on the data that they hold.
If your class looks like this...
Where in a virtualenv does the custom code go?
...llow when using virtualenv ? For instance, if I were building a WSGI application and created a virtualenv called foobar I would start with a directory structure like:
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Detail change after Git pull
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Suppose you're pulling to master. You can refer to the previous position of master by master@{1} (or even master@{10.minutes.ago}; see the specifying revisions section of the git-rev-parse man page), so that you can do things like
See all of the changes: git di...
How does HashSet compare elements for equality?
...lityComparer<T> into the constructor. This is the best option if you can't modify the T itself, or if you want a non-default equality relation (e.g. "all users with a negative user ID are considered equal"). This is almost never implemented on the type itself (i.e. Foo doesn't implement IEqual...
What is a sealed trait?
Sealed classes are described in 'Programming in Scala', but sealed traits are not.
Where can I find more information about a sealed trait?
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CALL command vs. START with /WAIT option
...ifferences are nearly unimportant.
But to start an exe you don't even need CALL.
When starting another batch it's a big difference,
as CALL will start it in the same window and the called batch has access to the same variable context.
So it can also change variables which affects the caller.
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100% width Twitter Bootstrap 3 template
... to see the layout : http://themeforest.net/item/geometry-design-for-geolocation-social-networkr/4752268
5 Answers
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setuptools vs. distutils: why is distutils still a thing?
Python has a confusing history of tools that can be used to package and describe projects: these include distutils in the Standard Library, distribute , distutils2 , and setuptools (and maybe more). It appears that distribute and distutils2 were discontinued in favor of setuptools , which...
Is pass-by-value a reasonable default in C++11?
...eferences around, which is faster, but which introduces all sorts of complicated questions around ownership and especially around memory management (in the event that the object is heap-allocated)
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