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Extract subset of key-value pairs from Python dictionary object?
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answered Mar 18 '11 at 13:28
Mark LongairMark Longair
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Using a constant NSString as the key for NSUserDefaults
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18
For access from other classes:
.h
extern NSString * const PolygonNumberOfSidesPrefsKey;
.m
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How to create duplicate allowed attributes
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185
Stick a AttributeUsage attribute onto your Attribute class (yep, that's mouthful) and set Allow...
Add a space (“ ”) after an element using :after
...e-break behavior)
– chimos
Aug 23 '18 at 9:08
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How to change the height of a ?
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281
Css:
br {
display: block;
margin: 10px 0;
}
The solution is probably not cross-browser...
How to use SVN, Branch? Tag? Trunk?
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answered Jan 21 '09 at 8:22
KenKen
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How do I use $rootScope in Angular to store variables?
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8 Answers
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e.printStackTrace equivalent in python
... # will print this message followed by traceback
Output:
ERROR 2007-09-18 23:30:19,913 error 1294 Something awful happened!
Traceback (most recent call last):
File "b.py", line 22, in f
g()
File "b.py", line 14, in g
1/0
ZeroDivisionError: integer division or modulo by zero
(From ht...
How can I alter a primary key constraint using SQL syntax?
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edited Jun 13 '13 at 11:58
Oleg Dok
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answered Ja...
Fastest way to check if a file exist using standard C++/C++11/C?
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811
Well I threw together a test program that ran each of these methods 100,000 times, half on fil...