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Core Data: Quickest way to delete all instances of an entity
...eleteError];
More information about batch deletions can be found in the "What's New in Core Data" session from WWDC 2015 (starting at ~14:10).
iOS 8 and earlier:
Fetch 'em all and delete 'em all:
NSFetchRequest *allCars = [[NSFetchRequest alloc] init];
[allCars setEntity:[NSEntityDescription en...
TextView - setting the text size programmatically doesn't seem to work
...make my screen blank should it? I guess i was reading it as a scale beyond what the text already was instead of just simply setting the size. - i will look but i will ask anyway - what is the default size? anyway thanks.
– cspam
Aug 9 '11 at 15:58
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django change default runserver port
...answer because it is entirely self-contained and does not require changing what is entered on the command line.
– PurpleDiane
Jul 17 '16 at 22:43
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How to parse a string into a nullable int
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Please can you clarify what you mean @JohnLord
– Jaa H
Mar 24 at 15:51
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Find all controls in WPF Window by type
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what do you mean "root element" ? What should I write to connect with my mainwindow form?
– deadfish
Dec 30 '11 at 16:02
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How can I create download link in HTML?
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@Dudeson please specify what "won't work" and which version(s) of IE you are talking about. (It is now safe to use the approach described TIIUNDER's much more recent answer below, though. It should get the accept mark.)
– Pekka...
New self vs. new static
...sults?
Not really. I don't know of a workaround for PHP 5.2, though.
What is the difference between new self and new static?
self refers to the same class in which the new keyword is actually written.
static, in PHP 5.3's late static bindings, refers to whatever class in the hierarchy you c...
Zip lists in Python
...rable arguments:
>>> zip ([1,2],[3,4])
[(1,3), (2,4)]
I expect what you try to so is create a tuple where each element is a list.
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fo...
Python Dictionary Comprehension
...e(5)}
>>> print d
{0: True, 1: True, 2: True, 3: True, 4: True}
What you seem to be asking for is a way to set multiple keys at once on an existing dictionary. There's no direct shortcut for that. You can either loop like you already showed, or you could use a dictionary comprehension t...
How to format date and time in Android?
... @Joony no, there's difference between java.text.SimpleDateFormat (what you linked and uses H for hours in the 0-23 range) and android.text.format.DateFormat (what the answer is about and uses k for hours in the 0-23 range)
– dnet
Dec 7 '12 at 22:51
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