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UIButton inside a view that has a UITapGestureRecognizer
...ion compiles down to void so it doesn't leave any information behind at runtime to use for detection. But what you can do is walk up the view hierarchy, testing for UIControl, and returning NO if you find any controls.
– Lily Ballard
Aug 3 '11 at 17:38
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Remove duplicate values from JS array [duplicate]
..., this algorithm is not particularly efficient for large arrays (quadratic time).
Hashtables to the rescue
function uniq(a) {
var seen = {};
return a.filter(function(item) {
return seen.hasOwnProperty(item) ? false : (seen[item] = true);
});
}
This is how it's usually done. T...
What new capabilities do user-defined literals add to C++?
...ng() << std::endl;
// This triggers the static_assert at compile time.
auto badbits = 2101010101010101010101010101010101010101010101010101010101010101_bits;
// This throws at run time.
std::bitset<64> badbits2("2101010101010101010101010101010101010101010101010101010101010101_...
Uses for the Java Void Reference Type?
...
This is implementation specific and may change at any time. There's no guarantee that the class has a no-arg constructor and even if it does have one that may do anything (perhaps System.exit(0)). I tend to write utility classes with a constructor as private Void() { throw new E...
Automatically capture output of last command into a variable using Bash?
...
This is a really hacky solution, but it seems to mostly work some of the time. During testing, I noted it sometimes didn't work very well when getting a ^C on the command line, though I did tweak it a bit to behave a bit better.
This hack is an interactive mode hack only, and I am pretty confi...
Ensure that HttpConfiguration.EnsureInitialized()
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This one gets me all the time, but it used to give a different error. After upgrading to visual studio 2015 and .Net 4.6 I get this error.
– nbering
Aug 5 '15 at 14:47
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How to get the instance id from within an ec2 instance?
...a read (tldr: was command line tools are java, and java has a long startup time)
– James
Feb 22 '14 at 10:29
The best ...
'App not Installed' Error on Android
... That was really helpful, and I installed-uninstalled my app for like 20 times before I found this. Thanks a lot! :-)
– Rahul Arora
Aug 13 '17 at 21:16
3
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Colorized grep — viewing the entire file with highlighted matches
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However, from time to time, it does not find what I want when I’m certain it must be there. ack is smart, but sometimes too smart, and it exluded the file type that the hit was in.
– Michael Piefel
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How are ssl certificates verified?
...done without 1.
This is better explained in this big diagram I made some time ago
(skip to "what's a signature ?" at the bottom)
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