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Completion handler for UINavigationController “pushViewController:animated”?

...pp using a UINavigationController to present the next view controllers. With iOS5 there´s a new method to presenting UIViewControllers : ...
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Reading specific lines only

...lose() Note that i == n-1 for the nth line. In Python 2.6 or later: with open("file") as fp: for i, line in enumerate(fp): if i == 25: # 26th line elif i == 29: # 30th line elif i > 29: break ...
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How to check for null in Twig?

...ned: {% if var is not defined %} {# do something #} {% endif %} Additionally the is sameas test, which does a type strict comparison of two values, might be of interest for checking values other than null (like false): {% if var is sameas(false) %} {# do something %} {% endif %} ...
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How to find the mysql data directory from command line in windows

In linux I could find the mysql installation directory with the command which mysql . But I could not find any in windows. I tried echo %path% and it resulted many paths along with path to mysql bin. ...
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Add Text on Image using PIL

I have an application that loads an Image and when the user clicks it, a text area appears for this Image (using jquery ), where user can write some text on the Image. Which should be added on Image. ...
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What is Java String interning?

What is String Interning in Java, when I should use it, and why ? 7 Answers 7 ...
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Why does comparing strings using either '==' or 'is' sometimes produce a different result?

...thon program where two variables are set to the value 'public' . In a conditional expression I have the comparison var1 is var2 which fails, but if I change it to var1 == var2 it returns True . ...
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How do you read a file into a list in Python? [duplicate]

...ert the numbers into a list, then find the mean, standard deviation, etc. without using the easy built-in Python tools. 8 A...
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Calling Python in Java?

I am wondering if it is possible to call python functions from java code using jython, or is it only for calling java code from python? ...
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How to print third column to last column?

... ...or a simpler solution: cut -f 3- INPUTFILE just add the correct delimiter (-d) and you got the same effect. share | improve this answer | follow | ...