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How to extract a floating number from a string [duplicate]
... extract just the floating point number. I say floating and not decimal as it's sometimes whole. Can RegEx do this or is there a better way?
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How to display the function, procedure, triggers source code in postgresql?
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edited Dec 11 '15 at 1:59
mkobit
31.3k77 gold badges124124 silver badges129129 bronze badges
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Install a module using pip for specific python version
..., there may be separate python2.6-pip and python2.7-pip packages, invoked with binary names such as pip-2.6 and pip-2.7. If pip is not packaged in your distribution for the desired target, you might look for a setuptools or easyinstall package, or use virtualenv (which will always include pip in a g...
What is the difference between “ is None ” and “ ==None ”
...ned here.
To quote:
A class is free to implement
comparison any way it chooses, and it
can choose to make comparison against
None mean something (which actually
makes sense; if someone told you to
implement the None object from
scratch, how else would you get it to
compare True ag...
Why can I pass 1 as a short, but not the int variable i?
Why does the first and second Write work but not the last? Is there a way I can allow all 3 of them and detect if it was 1, (int)1 or i passed in? And really why is one allowed but the last? The second being allowed but not the last really blows my mind.
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Program does not contain a static 'Main' method suitable for an entry point
...heck the properties of App.xaml. Is the Build Action still ApplicationDefinition?
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Getting back old copy paste behaviour in tmux, with mouse
...in tmux to copy-paste (using the mouse, the keyboard works differently and it is not what I am interested about):
13 Answer...
How to define custom exception class in Java, the easiest way?
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No, you don't "inherit" non-default constructors, you need to define the one taking a String in your class. Typically you use super(message) in your constructor to invoke your parent constructor. For example, like this:
public class MyException...
Pandas: drop a level from a multi-level column index?
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edited Mar 28 '16 at 16:32
ASGM
8,6282424 silver badges4545 bronze badges
answer...
Get filename and path from URI from mediastore
I have an onActivityResult returning from an mediastore image selection which I can get a URI for an image using the following:
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