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Why is enum class preferred over plain enum?
I heard a few people recomm>me m>nding to use enum classes in C++ because of their type safety .
9 Answers
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How do I do base64 encoding on iOS?
... 'z', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', '+', '/'
};
@implem>me m>ntation NSString (NSStringAdditions)
+ (NSString *) base64StringFromData: (NSData *)data length: (int)length {
unsigned long ixtext, lentext;
long ctremaining;
unsigned char input[3], output[4];
short i, charsonlin...
The way to check a HDFS directory's size?
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add a comm>me m>nt
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Is it intended by the C++ standards committee that in C++11 unordered_map destroys what it inserts?
I've just lost three days of my life tracking down a very strange bug where unordered_map::insert() destroys the variable you insert. This highly non-obvious behaviour occurs in very recent compilers only: I found that clang 3.2-3.4 and GCC 4.8 are the only compilers to demonstrate this "feature"....
How do you force a makefile to rebuild a target
...ur targets to be phony.
A phony target is one that is not really the nam>me m> of a file; rather it
is just a nam>me m> for a recipe to be executed when you make an explicit
request. There are two reasons to use a phony target: to avoid a
conflict with a file of the sam>me m> nam>me m>, and to improve perform...
Does a const reference class m>me m>mber prolong the life of a temporary?
...ection on initializers of reference declarations. The reference in your example is bound to the constructor's argum>me m>nt n, and becom>me m>s invalid when the object n is bound to goes out of scope.
The lifetim>me m> extension is not transitive through a function argum>me m>nt. §12.2/5 [class.temporary]:
The se...
What is the equivalent of “none” in django templates?
I want to see if a field/variable is none within a Django template. What is the correct syntax for that?
7 Answers
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index.php not loading by default
...wered Mar 5 '10 at 3:48
John Himm>me m>lmanJohn Himm>me m>lman
19.5k1919 gold badges6060 silver badges7979 bronze badges
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Using a constant NSString as the key for NSUserDefaults
I'm using NSUSerDefaults to store user preferences. I rem>me m>mber reading som>me m>where that setting the keys as constants is a good idea - and I agree. The following code is what I currently have:
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c#: getter/setter
I saw som>me m>thing like the following som>me m>where, and was wondering what it m>me m>ant. I know they are getters and setters, but want to know why the string Type is defined like this. Thanks for helping m>me m>.
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