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how to change any data type into a string in python

... you're writing your own class and you want str to work for you, add: def __str__(self): return "Some descriptive string" print str(myObj) will call myObj.__str__(). repr is a similar method, which generally produces information on the class info. For most core library object, repr produces ...
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Regex - Should hyphens be escaped? [duplicate]

...hese cases, you'll typically see everything escaped (e.g. [a-z\%\$\#\@\!\-\_]) simply because the engineer doesn't know what's "special" and what's not... so they "play it safe" and obfuscate the expression with loads of excessive backslashes. You'll be doing yourself, your contemporaries, and your ...
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What’s the best way to check if a file exists in C++? (cross platform)

...turns "true" on non-existent files on network shares: "\\machine\share\this_file_doesnt_exist" => true. Last time I checked was on boost 1.33, use caution... – rlerallut Nov 6 '08 at 12:54 ...
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When is layoutSubviews called?

... Oct 21 '13 at 7:09 Patrick PijnappelPatrick Pijnappel 6,0173535 silver badges3939 bronze badges ...
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What does the exclamation mark mean in a Haskell declaration?

...to look inside it, probably through a pattern match: case f of Foo 0 _ _ _ -> "first arg is zero" _ -> "first arge is something else" This is going to execute enough code to do what it needs, and no more. So it will create a Foo with four parameters (because you can't lo...
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PHP script - detect whether running under linux or Windows?

... Check the value of the PHP_OS constantDocs. It will give you various values on Windows like WIN32, WINNT or Windows. See as well: Possible Values For: PHP_OS and php_unameDocs: if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') { echo 'This is a s...
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Spring Data JPA find by embedded object property

...Long twoId); and results in a query of the form: select ...... from one one_ left outer join two two_ on one_.two_id = two_.id where one_id = ? and two_.id = ? – TroJaN May 4 at 17:17 ...
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What is the difference between attribute and property? [closed]

... In Python... class X( object ): def __init__( self ): self.attribute def getAttr( self ): return self.attribute def setAttr( self, value ): self.attribute= value property_name= property( getAttr, setAttr ) A property is a s...
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Unique constraint on multiple columns

...ied from technet's documentation, is in the form of: CONSTRAINT constraint_name UNIQUE [ CLUSTERED | NONCLUSTERED ] ( column [ ASC | DESC ] [ ,...n ] ) Therefore, the resuting table definition would be: CREATE TABLE [dbo].[user]( [userID] [int] IDENTITY(1,1) NOT NULL, [fcode] [int] ...
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How to document class attributes in Python? [closed]

...speed exceeding that of an unladen swallow. Attributes: flight_speed The maximum speed that such a bird can attain. nesting_grounds The locale where these birds congregate to reproduce. """ flight_speed = 691 nesting_grounds = "Throatwarbler Man Grove" I think...