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jquery if div id has children
...children().length should be called instead of size() per jQuery docs here: api.jquery.com/size
– Brian Chavez
May 7 '11 at 5:06
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Adding hours to JavaScript Date object?
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JavaScript itself has terrible Date/Time API's. Nonetheless, you can do this in pure JavaScript:
Date.prototype.addHours = function(h) {
this.setTime(this.getTime() + (h*60*60*1000));
return this;
}
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What is a CSRF token ? What is its importance and how does it work?
...e response without knowing what it is for, just because they can't use the API from another website.
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Zoom in on a point (using scale and translate)
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I'm using the Canvas API, but it doesn't have a direct multiply() API. Instead, I've been doing resetTransform(), then applying the "zoom" translation, scaling, undoing the zoom translation, and then applying the actual desired translation. This ...
Stop/Close webcam which is opened by navigator.getUserMedia
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EDIT
Since this answer has been originally posted the browser API has changed.
.stop() is no longer available on the stream that gets passed to the callback.
The developer will have to access the tracks that make up the stream (audio or video) and stop each of them individually.
More i...
JavaScript - Getting HTML form values
...ailable in Safari, Explorer, or Edge. developer.mozilla.org/en-US/docs/Web/API/FormData
– dave
Oct 11 '17 at 21:08
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How to iterate over the files of a certain directory, in Java? [duplicate]
...wError if the library contains a lot of files. (java.sun.com/javase/6/docs/api/java/lang/…)
– Rihards
Apr 15 '11 at 18:51
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How to concatenate two strings in C++?
...h as when you want to pass to some function, then you can do this:
some_c_api(s.c_str(), s.size());
assuming this function is declared as:
some_c_api(char const *input, size_t length);
Explore std::string yourself starting from here:
Documentation of std::string
Hope that helps.
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How can I submit a form using JavaScript?
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@Jonathan What is the name of button you had? Coz, as per api.jquery.com/submit child elements of a form should not use input names or ids that conflict with properties of a form.
– keya
Sep 13 '18 at 14:53
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How to get the previous URL in JavaScript?
...o the previous page without knowing the url, you could use the new History api.
history.back(); //Go to the previous page
history.forward(); //Go to the next page in the stack
history.go(index); //Where index could be 1, -1, 56, etc.
But you can't manipulate the content of the history stack on br...