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jQuery counting elements by class - what is the best way to implement this?

...me class and then I'm going to use it to be added onto a name for an input form. Basically I'm allowing users to click on a <span> and then by doing so add another one for more of the same type of items. But I can't think of a way to count all of these simply with jQuery/JavaScript. ...
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How to get highcharts dates in the x axis?

... Highcharts will automatically try to find the best format for the current zoom-range. This is done if the xAxis has the type 'datetime'. Next the unit of the current zoom is calculated, it could be one of: second minute hour day week month year This unit is then used find...
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What is the correct JSON content type?

... @Rohmer - You "can" open anything in a text editor, but a binary format like JPEG or a Windows .exe or a .zip will contain non-printable characters which can actually break many text editors or cause undesired behavior. Try running cat file.jpg for example. Whereas any xml or json file is ...
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Download multiple files with a single action

... HTTP itself supports multipart message format. But browsers don't portably parse multipart responses from the server side, but technically there's nothing difficult with doing this. – CMCDragonkai Jul 27 '18 at 4:25 ...
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What's the best way to trim std::string?

...005, en) means tabs, spaces, carriage returns, newlines, vertical tabs and form feeds are trimmed. – MattyT Jan 26 '09 at 13:11 122 ...
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How can I make a multipart/form-data POST request using Java?

...n the days of version 3.x of Apache Commons HttpClient, making a multipart/form-data POST request was possible ( an example from 2004 ). Unfortunately this is no longer possible in version 4.0 of HttpClient . ...
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Use jQuery to hide a DIV when the user clicks outside of it

...his: var mouse_is_inside = false; $(document).ready(function() { $('.form_content').hover(function(){ mouse_is_inside=true; }, function(){ mouse_is_inside=false; }); $("body").mouseup(function(){ if(! mouse_is_inside) $('.form_wrapper').hide(); });...
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jQuery access input hidden value

... There's a jQuery selector for that: // Get all form fields that are hidden var hidden_fields = $( this ).find( 'input:hidden' ); // Filter those which have a specific type hidden_fields.attr( 'text' ); Will give you all hidden input fields and filter by those with a sp...
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Javascript regex returning true.. then false.. then true.. etc [duplicate]

I have a strange problem with the validation I am writing on a form. It is a 'Check Username' button next to an input. The input default value is the username for example 'betamax'. When I press 'Check Username' it passes the regex and sends the username to the server. The server behaves as expected...
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Unique fields that allow nulls in Django

...com/ticket/9039 The issue here is that the normalized "blank" value for a form CharField is an empty string, not None. So if you leave the field blank, you get an empty string, not NULL, stored in the DB. Empty strings are equal to empty strings for uniqueness checks, under both Django and databas...