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C default arguments
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Not really. The only way would be to write a varargs function and manually fill in default values for arguments which the caller doesn't pass.
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How do I use raw_input in Python 3
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There was originally a function input() which acted something like the current eval(input()). It was a leftover from when Python was less security conscious. The change simplified the language. See also "import this" for a deeper explanat...
Amazon S3 Change file download name
...mention that it was not me to provide the right answer on Amazon forum and all credits should go to Colin Rhodes ;-)
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Traverse a list in reverse order in Python
... are reversed on the fly while traversing! This is an important feature of all these iteration functions (which all end on “ed”).
– Konrad Rudolph
Feb 9 '09 at 19:10
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Concatenating two lists - difference between '+=' and extend()
I've seen there are actually two (maybe more) ways to concatenate lists in Python:
One way is to use the extend() method:
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TortoiseSVN icons not showing up under Windows 7
I can't seem to get the icons to display under Windows 7 and I really miss this from Windows XP.
31 Answers
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Why so red? IntelliJ seems to think every declaration/method cannot be found/resolved
I just installed and re-installed IntelliJ. Every Java file is coming up RED. I checked the JDK; it is at 1.6.##. The maven clean install build worked just fine.
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Error installing mysql2: Failed to build gem native extension
I am having some problems when trying to install mysql2 gem for Rails. When I try to install it by running bundle install or gem install mysql2 it gives me the following error:
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Temporarily disable auto_now / auto_now_add
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edited May 3 '16 at 18:32
answered Oct 14 '11 at 19:26
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Adding a Method to an Existing Object Instance
...that instance will be passed as the first argument whenever the method is called.
Callables that are attributes of a class (as opposed to an instance) are still unbound, though, so you can modify the class definition whenever you want:
>>> def fooFighters( self ):
... print "fooFighters...