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Convert NSNumber to int in Objective-C

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Delete/Reset all entries in Core Data?

... delete the SQLite file - but I choose to do it by purging the tables individually with a functions: - (void) deleteAllObjects: (NSString *) entityDescription { NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:en...
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how to append a list object to another

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Significance of -pthread flag when compiling

... @Andy - your version of gcc may be built to provide -D_REENTRANT or -pthread automatically. Run your build with g++ -v and it will dump a lot of output about what parameters the compiler front-end is actually passing to cc1plus and ld. – Tom ...
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How to run cron job every 2 hours

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Image width/height as an attribute or in CSS? [duplicate]

What's the "correct" semantic way to specify image height and width? In CSS... 12 Answers ...
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Get margin of a View

... try this: View view = findViewById(...) //or however you need it LayoutParams lp = (LayoutParams) view.getLayoutParams(); margins are accessible via lp.leftMargin; lp.rightMargin; lp.topMargin; lp.bottomMargin; edit: perhaps ViewGroup.MarginLayoutParam...
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float64 with pandas to_csv

...oint problem. However you can use the float_format key word of to_csv to hide it: df.to_csv('pandasfile.csv', float_format='%.3f') or, if you don't want 0.0001 to be rounded to zero: df.to_csv('pandasfile.csv', float_format='%g') will give you: Bob,0.085 Alice,0.005 in your output file. F...
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TimeSpan ToString format

...pt.) I'm assuming you're using .NET 4, of course - before that, TimeSpan didn't support custom format strings. EDIT: As noted, this won't work beyond 24 hours. Also note that alternatives are available via Noda Time too :) ...
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Width equal to content [duplicate]

I'm experiencing some trouble with the width property of CSS. I have some paragraphs inside a div. I'd like to make the width of the paragraphs equal to their content, so that their green background looks like a label for the text. What I get instead is that the paragraphs inherit the width of the d...