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Should all Python classes extend object?
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In Python 2, not inheriting from object will create an old-style class, which, amongst other effects, causes type to give different results:
>>> class Foo: pass
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>>> type(Foo())
<type 'instance'>
vs.
>>> cl...
How can I have linebreaks in my long LaTeX equations?
My equation is very long. How do I get it to continue on the next line rather than go off the page?
11 Answers
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ViewPager and fragments — what's the right way to store fragment's state?
...m to be very nice for separation of UI logic into some modules. But along with ViewPager its lifecycle is still misty to me. So Guru thoughts are badly needed!
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How can I extract the folder path from file path in Python?
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You were almost there with your use of the split function. You just needed to join the strings, like follows.
>>> import os
>>> '\\'.join(existGDBPath.split('\\')[0:-1])
'T:\\Data\\DBDesign'
Although, I would recommend using th...
sys.argv[1] meaning in script
...y example below) in simplified terms what the sys.argv[1] represents. Is it simply asking for an input?
9 Answers
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Convert from List into IEnumerable format
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You don't need to convert it. List<T> implements the IEnumerable<T> interface so it is already an enumerable.
This means that it is perfectly fine to have the following:
public IEnumerable<Book> GetBooks()
{
List<Book> bo...
CSV API for Java [closed]
...e to use read a CSV input file, do some simple transformations, and then write it.
10 Answers
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Mapping over values in a python dictionary
... a dict comprehension:
my_dictionary = {k: f(v) for k, v in my_dictionary.items()}
In python 2.7, use the .iteritems() method instead of .items() to save memory. The dict comprehension syntax wasn't introduced until python 2.7.
Note that there is no such method on lists either; you'd have to use...
Convert hyphens to camel case (camelCase)
With regex (i assume) or some other method, how can i convert things like:
13 Answers
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What is the difference between “px”, “dip”, “dp” and “sp”?
What is the difference between Android units of measure?
33 Answers
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