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performSelector may cause a leak because its selector is unknown
... very rare that this warning should simply be ignored, and it's easy to work around. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:selector];
void (*func)(id, SEL) = (void *)imp;
func(_controller, selector);
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Does functional programming replace GoF design patterns?
... of articles which insist that design patterns (especially in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
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How to select records from last 24 hours using SQL?
I am looking for a where clause that can be used to retrieve records for the last 24 hours?
11 Answers
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How to serialize an Object into a list of URL query parameters?
Without knowing the keys of a JavaScript Object , how can I turn something like...
22 Answers
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When to use IMG vs. CSS background-image?
...iate to use an HTML IMG tag to display an image, as opposed to a CSS background-image , and vice-versa?
31 Answers
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Difference between CPPFLAGS and CXXFLAGS in GNU Make
What's the difference between CPPFLAGS and CXXFLAGS in GNU Make?
4 Answers
4
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Ant task to run an Ant target only if a file exists?
Is there an ANT Task that would execute a block only if a given file exists? I have the problem that I have a generic ant script that should do some special processing but only if a specific configuration file is present.
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Convert string with commas to array
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For simple array members like that, you can use JSON.parse.
var array = JSON.parse("[" + string + "]");
This gives you an Array of numbers.
[0, 1]
If you use .split(), you'll end up with an Array of strings.
["0", "1"]
Just be aware that J...
How to handle button clicks using the XML onClick within Fragments
...-Honeycomb (Android 3), each Activity was registered to handle button clicks via the onClick tag in a Layout's XML:
18 A...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
... gcc-4.8.1 0.708s 0.944s -O2
Intel Core i7-4770K gcc-4.8.1 0.296s 0.288s -Os
Intel Atom 330 gcc-4.8.1 2.003s 2.007s -O2
ARM 1176JZF-S (Broadcom BCM2835) gcc-4.6.3 3.470s 3.480s -O2
ARM...