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How can I measure the speed of code written in PHP? [closed]
...ime"]=>
float(0) //too fast...
["f_result"]=>
string(11) "hello world"
}
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Which is better in python, del or delattr?
... (foo)
6 LOAD_CONST 1 ('bar')
9 CALL_FUNCTION 2
12 POP_TOP
This translates into the first running slightly faster (but it's not a huge difference – .15 μs on my machine).
Like the others have said, you should really...
Recommended way of making React component/div draggable
...React.createClass({
getDefaultProps: function () {
return {
// allow the initial position to be passed in as a prop
initialPos: {x: 0, y: 0}
}
},
getInitialState: function () {
return {
pos: this.props.initialPos,
dragging: false,
rel: null // position...
Behaviour for significant change location API when terminated/suspended?
...), you will get a moment with applicationWillTerminate. You cannot request extra background time from this function.
Despite being killed in the background, the OS will relaunch your application. If your application is simply launched by the OS for a change, you will get a call to application didFin...
Git - working on wrong branch - how to copy changes to existing topic branch
...e merge. Otherwise the changes in master will be included in the merge. An extra step 3.5 above. See further about rebase here:
https://git-scm.com/book/en/v2/Git-Branching-Rebasing
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In AngularJS, what's the difference between ng-pristine and ng-dirty?
...ss cognitive step to comprehend than !ng-hide. your brain needs to do that extra step and thus you more likely to introduce bugs
– Damian Green
Aug 20 '14 at 8:32
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When should I create a destructor?
...
Awesome article Eric. Props for this --> "Extra bonus fun: the runtime uses less aggressive code generation and less aggressive garbage collection when running the program in the debugger, because it is a bad debugging experience to have objects that you are debuggin...
Should I pass a shared_ptr by reference? [duplicate]
...n some implementations of std::SP). It's the same if I was passing an std::string object (either const std::string& or by value).
– wolfgang
Dec 5 '11 at 13:36
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Using jQuery to center a DIV on the screen
...do is speed this up a bit by caching the $(window) object so that I reduce extra DOM traversals, and I use a cluster CSS.
jQuery.fn.center = function ($) {
var w = $(window);
this.css({
'position':'absolute',
'top':Math.abs(((w.height() - this.outerHeight()) / 2) + w.scrollTop()),
'...
Is a URL allowed to contain a space?
...t.
GET /url%20end_url HTTP/1.1
3 fields => valid
Note: in the query string (after ?), a space is usually encoded as a +
GET /url?var=foo+bar HTTP/1.1
rather than
GET /url?var=foo%20bar HTTP/1.1
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