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How do I declare class-level properties in Objective-C?

...natomic' version? Also i would consider naming the backing variables with '_' as is default by apple and also improves readability since returning/setting self.value from the getter/setter causes infinite recursion. In my opinion this is the right answer. – Peter Segerblom ...
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What's the difference between eval, exec, and compile?

...n Python is whatever you can have as the value in a variable assignment: a_variable = (anything you can put within these parentheses is an expression) eval returns the value of the given expression, whereas exec ignores the return value from its code, and always returns None (in Python 2 it is a s...
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Log4net rolling daily filename with date in the file name

...up using (note the '.log' filename and the single quotes around 'myfilename_'): <rollingStyle value="Date" /> <datePattern value="'myfilename_'yyyy-MM-dd"/> <preserveLogFileNameExtension value="true" /> <staticLogFileName value="false" /> <file type="log4net.Uti...
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How do I auto size a UIScrollView to fit its content

... Or just do: int y = CGRectGetMaxY(((UIView*)[_scrollView.subviews lastObject]).frame); [_scrollView setContentSize:(CGSizeMake(CGRectGetWidth(_scrollView.frame), y))]; – Gal Jul 10 '13 at 13:33 ...
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Pick any kind of file via an Intent in Android

...s simply thing works in my case.. Intent intent = new Intent(Intent.ACTION_GET_CONTENT); intent.setType("file/*"); startActivityForResult(intent, PICKFILE_REQUEST_CODE); share | improve this answe...
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Django - how to create a file and save it to a model's FileField?

...nteract with the underlying file. So, what you need to do is: self.license_file.save(new_name, new_contents) where new_name is the filename you wish assigned and new_contents is the content of the file. Note that new_contents must be an instance of either django.core.files.File or django.core.fil...
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bash: pip: command not found

... Why not just do sudo easy_install pip or if this is for python 2.6 sudo easy_install-2.6 pip? This installs pip using the default python package installer system and saves you the hassle of manual set-up all at the same time. This will allow you to...
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Close iOS Keyboard by touching anywhere using Swift

... edited Sep 22 '15 at 7:16 crazy_phage 49388 silver badges2222 bronze badges answered Nov 3 '14 at 2:09 King-W...
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Safely override C++ virtual functions

...e keyword: class child : public parent { public: // force handle_event to override a existing function in parent // error out if the function with the correct signature does not exist void handle_event(int something) override; }; ...
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Stateless vs Stateful - I could use some concrete information

... for the info! I'd vote up your answer but I don't have enough rep yet >_> – Team-JoKi Mar 31 '11 at 7:17 many w...