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What are the main purposes of using std::forward and which problems it solves?

... references. What is the purpose of doing that? How would that affect the called function inner if we leave t1 & t2 as lvalues? ...
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Check play state of AVPlayer

Is there a way to know whether an AVPlayer playback has stalled or reached the end? 11 Answers ...
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Why is it necessary to set the prototype constructor?

...}; // define the Student class function Student(name) { Person.call(this, name); } // inherit Person Student.prototype = Object.create(Person.prototype); Now what happens when we create a new Student and copy it? var student1 = new Student("trinth"); console.log(student1....
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How should the ViewModel close the form?

... window). You're welcome to make other tradeoffs, but it seems like a generally good deal to me. – Joe White May 6 '12 at 18:54  |  show 24 mo...
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using jquery $.ajax to call a PHP function

This may be a simple answer, but I'm using jQuery's $.ajax to call a PHP script. What I want to do is basically put that PHP script inside a function and call the PHP function from javascript. ...
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How to get key names from JSON using jq

...fy -r then you get a quoted string, which looks fine on-screen, but you usually don't want the quotes embedded in the string. – MarkHu Apr 26 '18 at 2:49 4 ...
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jQuery attr vs prop?

... Unfortunately none of your links work :( Some insight though, attr is for all attributes. prop is for properties. In older jQuery versions (<1.6), we just had attr. To get to DOM properties such as nodeName, selectedIndex, or defaultValue you had to do something like: var elem = $("#foo")[0]; if...
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Reset/remove CSS styles for element only

...ord-spacing : normal; z-index : auto; /* basic modern patch */ all: initial; all: unset; } /* basic modern patch */ #reset-this-root { all: initial; * { all: unset; } } Relevent github repo with a december 2017 more exaustive list Related Related from MDN Rel...
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Why does AngularJS include an empty option in select?

...orking with AngularJS for the last few weeks, and the one thing which is really bothering me is that even after trying all permutations or the configuration defined in the specification at http://docs.angularjs.org/api/ng.directive:select , I still get an empty option as the first child of select e...
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What are MVP and MVC and what is the difference?

... many tools encourage you are likely to come across three design patterns called Model-View-Controller , Model-View-Presenter and Model-View-ViewModel . My question has three parts to it: ...