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Why should the “PIMPL” idiom be used? [duplicate]

...() to be able to use private members of CatImpl. Cat::Purr() would not be allowed such an access without a friend declaration. Because you then don't mix responsibilities: one class implements, one class forwards. share...
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What are the real-world strengths and weaknesses of the many frameworks based on backbone.js? [close

... Most of (all of?) the frameworks that you're looking at solve the same problems, but they do it in slightly different ways with slightly different goals. I think it's fair to say that all of these projects would solve the problems i...
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Explaining Python's '__enter__' and '__exit__'

... Using these magic methods (__enter__, __exit__) allows you to implement objects which can be used easily with the with statement. The idea is that it makes it easy to build code which needs some 'cleandown' code executed (think of it as a try-finally block). Some more ex...
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What is the difference between require_relative and require in Ruby?

... the docs: require_relative complements the builtin method require by allowing you to load a file that is relative to the file containing the require_relative statement. For example, if you have unit test classes in the "test" directory, and data for them under the test "test/data" directo...
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How to access parent Iframe from JavaScript

... I would recommend using the postMessage API. In your iframe, call: window.parent.postMessage({message: 'Hello world'}, 'http://localhost/'); In the page you're including the iframe you can listen for events like this: window.addEventListener('message', functio...
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Using module 'subprocess' with timeout

...that contains command's merged stdout, stderr data. check_output raises CalledProcessError on non-zero exit status as specified in the question's text unlike proc.communicate() method. I've removed shell=True because it is often used unnecessarily. You can always add it back if cmd indeed requir...
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Can I use multiple versions of jQuery on the same page?

...trol. Can I safely just use the latter half, or do both libraries need to call noConflict()? – Bungle Oct 14 '09 at 15:05 7 ...
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Add swipe to delete UITableViewCell

... @lase You might want to take a peek at an app called Dash. It enables you to search documentation and it's a lot snappier than browsing the web. It's also stored locally on your computer, so you don't need web access to look stuff up. You can also load up documentation fo...
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升

...t of the cell. Input validation is done on the fly as the user is typing. All validation is done in the EN_UPDATE message handler, so any cut/copy and paste operations are immediately validated. If the user deletes the text in the cell, the value is set to zero. Using the CGridCellNumeri...
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CGridCellNumeric - A numeric cell class for the MFC Grid - C/C++ - 清泛网移动版 - 专注IT技能提升

...t of the cell. Input validation is done on the fly as the user is typing. All validation is done in the EN_UPDATE message handler, so any cut/copy and paste operations are immediately validated. If the user deletes the text in the cell, the value is set to zero. Using the CGridCellNumeri...