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How to create a zip archive of a directory in Python?

...e. The documentation tells you what functions are available, but doesn't really explain how you can use them to zip an entire directory. I think it's easiest to explain with some example code: #!/usr/bin/env python import os import zipfile def zipdir(path, ziph): # ziph is zipfile handle f...
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Creating an abstract class in Objective-C

I'm originally a Java programmer who now works with Objective-C. I'd like to create an abstract class, but that doesn't appear to be possible in Objective-C. Is this possible? ...
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How to sort a list of objects based on an attribute of the objects?

...is a need to sort by multiple fields, it could be achieved by consecutive calls to sort(), because python is using stable sort algorithm. – zzz777 Feb 23 at 14:41 add a commen...
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Proper way to declare custom exceptions in modern Python?

...tionError(Exception): def __init__(self, message, errors): # Call the base class constructor with the parameters it needs super(ValidationError, self).__init__(message) # Now for your custom code... self.errors = errors That way you could pass dict of error me...
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What do 'real', 'user' and 'sys' mean in the output of time(1)?

... time; User and Sys refer to CPU time used only by the process. Real is wall clock time - time from start to finish of the call. This is all elapsed time including time slices used by other processes and time the process spends blocked (for example if it is waiting for I/O to complete). User is t...
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Log exception with traceback

... log file ERROR:root:Got exception on main handler Traceback (most recent call last): File "/tmp/teste.py", line 9, in <module> run_my_stuff() NameError: name 'run_my_stuff' is not defined share | ...
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Set up adb on Mac OS X

... it up might be useful to some people. adb is the command line tool to install and run android apps on your phone/emulator ...
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Does C# have an equivalent to JavaScript's encodeURIComponent()?

... I should've been more specific: This is for a windows app, the only items available in System.Web are: AspNetHostingPermission, AspNetHostingPermissionAttribute, and AspNetHostingPermissionLevel. – travis Sep 17 '08 at 19:15 ...
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Should one call .close() on HttpServletResponse.getOutputStream()/.getWriter()?

...dy via response.getOutputStream() or response.getWriter() . Should one call .close() on this OutputStream after it has been written to? ...
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rails 3.1.0 ActionView::Template::Error (application.css isn't precompiled)

...tion.rb ... config.assets.compile = true ... You can use this option to fallback to Sprockets when you are using precompiled assets but there are any missing precompiled files. If config.assets.compile option is set to false and there are missing precompiled files you will get an "AssetNoPrecompi...