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JSON serialization of Google App Engine models

... There is a small mistake in the code: Where you have "output[key] = to_dict(model)" it should be: "output[key] = to_dict(value)". Besides that it's perfect. Thanks! – arikfr Nov 7 '09 at 22:02 ...
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How to create a trie in Python

... Unwind is essentially correct that there are many different ways to implement a trie; and for a large, scalable trie, nested dictionaries might become cumbersome -- or at least space inefficient. But since you're just getting started, I think...
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How to open link in new tab on html?

... The special targets all start with an underscore. blank would be the name of a frame or window. It may seem to work, because a new window or tab will probably be opened when none exists with the name 'blank', but a second click on the link shoul...
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Using “super” in C++

... the first time C++ was standardized. Dag Bruck proposed this extension, calling the base class "inherited." The proposal mentioned the multiple inheritance issue, and would have flagged ambiguous uses. Even Stroustrup was convinced. After discussion, Dag Bruck (yes, the same person making the p...
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How do I check if a string is unicode or ascii?

... In Python 3, all strings are sequences of Unicode characters. There is a bytes type that holds raw bytes. In Python 2, a string may be of type str or of type unicode. You can tell which using code something like this: def whatisthis(s):...
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How to update a record using sequelize for node?

...gt; handleError(err) ) Update 2016-03-09 The latest version actually doesn't use success and error anymore but instead uses then-able promises. So the upper code will look as follows: Project.update( { title: 'a very different title now' }, { where: { _id: 1 } } ) .then(result =&g...
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How to get a reference to a module inside the module itself?

... import sys current_module = sys.modules[__name__] share | improve this answer | follow | ...
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What does `m_` variable prefix mean?

...'re using something like intelliSense, you can start with m_ and a list of all your member variables are shown. Part of Hungarian notation, see the part about scope in the examples here. share | imp...
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Why is sed not recognizing \t as a tab?

... Not all versions of sed understand \t. Just insert a literal tab instead (press Ctrl-V then Tab). share | improve this answer ...
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How to get overall CPU usage (e.g. 57%) on Linux [closed]

...s was not tested nor used, it's an idea for people who do not want to install a utility or for something that works in any distribution. Some people think you can "apt-get install" anything. NOTE: this is not the current CPU usage, but the overall CPU usage in all the cores since the system bootup...