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Dynamically adding a form to a Django formset with Ajax

... 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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How to remove a web site from google analytics

I am Administrator of several web sites on google analytics. 10 Answers 10 ...
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Return a “NULL” object if search result not found

I'm pretty new to C++ so I tend to design with a lot of Java-isms while I'm learning. Anyway, in Java, if I had class with a 'search' method that would return an object T from a Collection< T > that matched a specific parameter, I would return that object and if the object was not found in...
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Efficiency of premature return in a function

This is a situation I encounter frequently as an inexperienced programmer and am wondering about particularly for an ambitious, speed-intensive project of mine I'm trying to optimize. For the major C-like languages (C, objC, C++, Java, C#, etc) and their usual compilers, will these two functions ru...
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Declaring pointers; asterisk on the left or right of the space between the type and name? [duplicate

...ointers in one of two ways, and I have no idea which one is correct, of if it even matters. 6 Answers ...
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Fade/dissolve when changing UIImageView's image

Rather than creating two UIImageViews , it seems logical to simply change the image of one view. If I do that, is there anyway of having a fade/cross dissolve between the two images rather than an instant switch? ...
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Why can't I have abstract static methods in C#?

I've been working with providers a fair bit lately, and I came across an interesting situation where I wanted to have an abstract class that had an abstract static method. I read a few posts on the topic, and it sort of made sense, but is there a nice clear explanation? ...
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Multiline strings in JSON

I'm writing some data files in JSON format and would like to have some really long string values split over multiple lines. Using python's JSON module I get a whole lot of errors, whether I use \ or \n as an escape. ...
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How do I put variables inside javascript strings?

That's how you do it in python. How can you do that in javascript/node.js? 13 Answers ...
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What exactly is an Assembly in C# or .NET?

...ed output of your code, typically a DLL, but your EXE is also an assembly. It's the smallest unit of deployment for any .NET project. The assembly typically contains .NET code in MSIL (Microsoft Intermediate language) that will be compiled to native code ("JITted" - compiled by the Just-In-Time com...