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enum - getting value of enum on string conversion

...at: print(D.x.value) See the Programmatic access to enumeration members and their attributes section: If you have an enum member and need its name or value: >>> >>> member = Color.red >>> member.name 'red' >>> member.value 1 You could add a __str__ meth...
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Convert to absolute value in Objective-C

...s(double), or fabsl(long double). Those functions are all part of the C standard library, and so are present both in Objective-C and plain C (and are generally available in C++ programs too.) (Alas, there is no habs(short) function. Or scabs(signed char) for that matter...) Apple's and GNU's Ob...
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Rails: Why does find(id) raise an exception in rails? [duplicate]

...ctiveRecord, the default behaviour is to return nil or false for failures, and leave the exception control flow to methods ending in a bang (#save!). – Marten Veldthuis Aug 12 '11 at 8:07 ...
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How to remove all white spaces in java [duplicate]

I have a programming assignment and part of it requires me to make code that reads a line from the user and removes all the white space within that line. the line can consist of one word or more. ...
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Python's os.makedirs doesn't understand “~” in my path

... You need to expand the tilde manually: my_dir = os.path.expanduser('~/some_dir') share | improve this answer | f...
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Thread.Sleep replacement in .NET for Windows Store

... Windows Store apps embrace asynchrony - and an "asynchronous pause" is provided by Task.Delay. So within an asynchronous method, you'd write: await Task.Delay(TimeSpan.FromSeconds(30)); ... or whatever delay you want. The asynchronous method will continue 30 sec...
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Is it possible to change the radio button icon in an android radio button group

I am wanting to allow the user of my android application the ability to set some parameters. The radio button is ideal for this situation. However, I don't like the radio buttons are rendered. ...
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“Delegate subtraction has unpredictable result” in ReSharper/C#?

When using myDelegate -= eventHandler ReSharper (version 6) issues: 3 Answers 3 ...
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Credit card expiration dates - Inclusive or exclusive?

...u ever wanted to know about credit cards. This is assumed to be a typo and that it should read "..., after the first day of the next month; ..." share | improve this answer | ...
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Installing python module within code

... which allows me to just execute something like pypi.install('requests') and requests will be installed into my virtualenv. ...