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Dynamically adding a form to a Django formset with Ajax

I want to automatically add new forms to a Django formset using Ajax, so that when the user clicks an "add" button it runs JavaScript that adds a new form (which is part of the formset) to the page. ...
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Embed SVG in SVG?

...nteresting observation: the latest versions of Firefox, Chrome, and Safari all show only one level of recursion (two dots) using the above. However, if you save the above as "a.svg" and change the image to "b.svg", and then also save it as "b.svg" with the image referencing "a.svg", then Firefox wil...
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Can a for loop increment/decrement by more than one?

...ignment operator: for (var i = 0; i < myVar.length; i += 3) { Technically, you can place any expression you'd like in the final expression of the for loop, but it is typically used to update the counter variable. For more information about each step of the for loop, check out the MDN article....
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Reset Entity-Framework Migrations

... I used IgnoreChanges on the initial migration, but now I want to delete all my migrations and start with an initial migration with all of the logic. ...
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Markup XML解析库下载(Markup.h 和 Markup.cpp) - 源码下载 - 清泛网 - 专注C/C++及内核技术

... Markup Release 11.1 // Copyright (C) 2009 First Objective Software, Inc. All rights reserved // Go to www.firstobject.com for the latest CMarkup and EDOM documentation // Use in commercial applications requires written permission // This software is provided "as is", with no warranty. #if !d...
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Pretty-print C++ STL containers

... // Don't insert a delimiter if this is the first time the function is called if( _insertDelim ) (*_stream) << _delim; else _insertDelim = true; } (*_stream) << value; return *this; } pretty_ostre...
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“is” operator behaves unexpectedly with integers

...3): The current implementation keeps an array of integer objects for all integers between -5 and 256, when you create an int in that range you actually just get back a reference to the existing object. So it should be possible to change the value of 1. I suspect the behaviour of Py...
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iOS 7's blurred overlay effect using CSS?

...s CSS Clip property that's it. I also believe this could be done dynamically for any screen if using canvas to copy the current dom and blurring it. share | improve this answer | ...
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Make an existing Git branch track a remote branch?

... 1.7.0 (before 1.8.0): git branch --set-upstream foo upstream/foo Notes: All of the above commands will cause local branch foo to track remote branch foo from remote upstream. The old (1.7.x) syntax is deprecated in favor of the new (1.8+) syntax. The new syntax is intended to be more intuitive a...
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Preloading images with JavaScript

Is the function I wrote below enough to preload images in most, if not all, browsers commonly used today? 14 Answers ...