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Android Fragment handle back button press [duplicate]
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for me it calls 2 times...
– Android
Apr 22 '14 at 6:30
2
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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?
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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?
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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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