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C multi-line macro: do/while(0) vs scope block [duplicate]
...d into a regular statement, not into a compound statement. This is
done in order to make the use of function-style macros uniform with the
use of ordinary functions in all contexts.
Consider the following code sketch
if (<condition>)
foo(a);
else
bar(a);
where 'foo' and 'bar' are ordin...
open a url on click of ok button in android
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Where do I find the line number in the Xcode editor?
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How to return value from an asynchronous callback function? [duplicate]
..., then all the functions 'wrapping' this call must also be asynchronous in order to 'return' a response.
If you have a lot of callbacks you might consider taking the plunge and use a promise library like Q.
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Correct way to check if a type is Nullable [duplicate]
In order to check if a Type ( propertyType ) is nullable, I'm using:
2 Answers
2
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Access properties of the parent with a Handlebars 'each' loop
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performSelector may cause a leak because its selector is unknown
...re calling. The result could be anything: void, int, char, NSString *, id, etc. ARC normally gets this information from the header of the object type you're working with.3
There are really only 4 things that ARC would consider for the return value:4
Ignore non-object types (void, int, etc)
Retain...
What is the difference between conversion specifiers %i and %d in formatted IO functions (*printf /
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Difference between sh and bash
...e the three-argument for((i=0;i<=3;i++)) loop, += increment assignment, etc. The $'string\nwith\tC\aescapes' feature is tentatively accepted for POSIX (meaning it works in Bash now, but will not yet be supported by sh on systems which only adhere to the current POSIX specification, and likely wil...
Isn't it silly that a tiny favicon requires yet another HTTP request? How can I put the favicon into
...d and edited by laypeople, whitespace literals can become newline literals etc.
– Rounin
Jul 17 at 13:06
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