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Store JSON object in data attribute in HTML jQuery

...in the text just use $('#myElement').data('key',jsonObject); it won't actually be stored in the html, but if you're using jquery.data, all that is abstracted anyway. To get the JSON back don't parse it, just call: var getBackMyJSON = $('#myElement').data('key'); If you are getting [Object Objec...
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Does MongoDB's $in clause guarantee order

...d index order as shown. If you need to preserve this order, then you basically have two options. So let's say that you were matching on the values of _id in your documents with an array that is going to be passed in to the $in as [ 4, 2, 8 ]. Approach using Aggregate var list = [ 4, 2, 8 ]; ...
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How to print a int64_t type in C

... hexadecimal. cppreference.com has a full listing of available macros for all types including intptr_t (PRIxPTR). There are separate macros for scanf, like SCNd64. A typical definition of PRIu16 would be "hu", so implicit string-constant concatenation happens at compile time. For your code to ...
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__init__ for unittest.TestCase

... +1 I'd initialise the base class before calling any object method though. – Joachim Isaksson Jun 27 '13 at 21:25 ...
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How to do relative imports in Python?

... the module were a top level module, regardless of where the module is actually located on the file system. In Python 2.6, they're adding the ability to reference modules relative to the main module. PEP 366 describes the change. Update: According to Nick Coghlan, the recommended alternative is ...
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Best practice for Django project working directory structure

I know there is actually no single right way. However I've found that it's hard to create a directory structure that works well and remain clean for every developer and administrator. There is some standard structure in most projects on github. But it does not show a way to organize another files an...
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP

... can be used to detect if a variable has been already initialized. Additionally and more ideal is the solution of empty() since it does not generate a warning or error message if the variable is not initialized. From PHP documentation: No warning is generated if the variable does not exist. T...
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What are inline namespaces for?

C++11 allows inline namespace s, all members of which are also automatically in the enclosing namespace . I cannot think of any useful application of this -- can somebody please give a brief, succinct example of a situation where an inline namespace is needed and where it is the most idiomatic s...
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What is the formal difference in Scala between braces and parentheses, and when should they be used?

...ut this, but I gave up in the end, as the rules are somewhat diffuse. Basically, you’ll have to get the hang of it. Perhaps it is best to concentrate on where curly braces and parenthesis can be used interchangeably: when passing parameters to method calls. You may replace parenthesis with curly b...
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Python function overloading

... What you are asking for is called multiple dispatch. See Julia language examples which demonstrates different types of dispatches. However, before looking at that, we'll first tackle why overloading is not really what you want in python. Why Not Overl...