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How does Apple know you are using private API?

...ist all linked symbols. This can detect Undocumented C functions such as _UIImageWithName; Objective-C classes such as UIProgressHUD Ivars such as UITouch._phase (which could be the cause of rejection of Three20-based apps last few months.) 3. Listing Objective-C selectors, or strings Objective...
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Completion handler for UINavigationController “pushViewController:animated”?

...rface UINavigationController (CompletionHandler) - (void)completionhandler_pushViewController:(UIViewController *)viewController animated:(BOOL)animated completion:(void (^)(void))completion; @end Implementation: #import "UIN...
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How to round a number to significant figures in Python

...t digit: >>> from math import log10, floor >>> def round_to_1(x): ... return round(x, -int(floor(log10(abs(x))))) ... >>> round_to_1(0.0232) 0.02 >>> round_to_1(1234243) 1000000.0 >>> round_to_1(13) 10.0 >>> round_to_1(4) 4.0 >>> rou...
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How do I get the different parts of a Flask request's url?

...ributes would be the following: path /page.html script_root /myapplication base_url http://www.example.com/myapplication/page.html url http://www.example.com/myapplication/page.html?x=y url_root http://www.example.com/myapplication/ ...
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e.printStackTrace equivalent in python

... import traceback traceback.print_exc() When doing this inside an except ...: block it will automatically use the current exception. See http://docs.python.org/library/traceback.html for more information. ...
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javac not working in windows command prompt

... and re-open or simply do: set "path=%path%;c:\program files\java\jdk1.6.0_16\bin" By way of checking, execute: echo %path% from your command prompt and let us know what it is. Otherwise, make sure there is a javac in that directory by trying: "c:\program files\java\jdk1.6.0_16\bin\javac.exe...
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How to remove last n characters from every element in the R vector

... an example of what I would do. I hope it's what you're looking for. char_array = c("foo_bar","bar_foo","apple","beer") a = data.frame("data"=char_array,"data2"=1:4) a$data = substr(a$data,1,nchar(a$data)-3) a should now contain: data data2 1 foo_ 1 2 bar_ 2 3 ap 3 4 b 4 ...
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Concat scripts in order with Gulp

... I just add numbers to the beginning of file name: 0_normalize.scss 1_tikitaka.scss main.scss It works in gulp without any problems. share | improve this answer | ...
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How to implement a rule engine?

...; // use a method call, e.g. 'Contains' -> 'u.Tags.Contains(some_tag)' return Expression.Call(left, method, right); } } Note that I used 'GreaterThan' instead of 'greater_than' etc. - this is because 'GreaterThan' is the .NET name for the operator, therefore we don't need any...
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How to add title to subplots in Matplotlib?

... ax.title.set_text('My Plot Title') seems to work too. fig = plt.figure() ax1 = fig.add_subplot(221) ax2 = fig.add_subplot(222) ax3 = fig.add_subplot(223) ax4 = fig.add_subplot(224) ax1.title.set_text('First Plot') ax2.title.set_text('Se...