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Error handling in Bash
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set -e -o pipefail -u # and know what you are doing
– Sam Watkins
Jul 3 '14 at 8:32
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Is there a performance difference between i++ and ++i in C++?
...ent translation units. Compiler with g++ 4.5.
Ignore the style issues for now
// a.cc
#include <ctime>
#include <array>
class Something {
public:
Something& operator++();
Something operator++(int);
private:
std::array<int,PACKET_SIZE> data;
};
int main () {
S...
Force IE compatibility mode off using tags
...sion), it's safe to use this; otherwise, you may want to stick to IE=9 for now.
– calvinf
Aug 7 '12 at 1:00
75
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How can I add or update a query string parameter?
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Update (2020): URLSearchParams is now supported by all modern browsers.
The URLSearchParams utility can be useful for this in combination with window.location.search. For example:
if ('URLSearchParams' in window) {
var searchParams = new URLSearchParams(w...
How to use ng-repeat without an html element
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Angular has caught up, this is the proper solution now.
– iwein
Jun 23 '14 at 22:51
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Access multiple elements of list knowing their index
I need to choose some elements from the given list, knowing their index. Let say I would like to create a new list, which contains element with index 1, 2, 5, from given list [-2, 1, 5, 3, 8, 5, 6]. What I did is:
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Facebook Callback appends '#_=_' to Return URL
...hy this happens, thanks, I think I'll leave the offending chars in my urls now that I know they're not an issue.
– stephenmurdoch
Mar 8 '17 at 8:56
1
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partial string formatting
...ncept not in the body of your answer? That's a bit elusive. Are there any known caveats preventing you from promoting it?
– norok2
Jul 26 '19 at 14:20
1
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Map over object preserving keys
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I know this is old, but now Underscore has a new map for objects :
_.mapObject(object, iteratee, [context])
You can of course build a flexible map for both arrays and objects
_.fmap = function(arrayOrObject, fn, context){
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How can I change Mac OS's default Java VM returned from /usr/libexec/java_home
..."Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0.jdk/Contents/Home
Now you will need to logout/login and then:
java -version
java version "1.7.0_45"
:-)
Of course I have no idea if something else breaks now or if the 1.8.0-ea version of java still works correctly.
You probably should no...