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How to round a number to significant figures in Python

... round_sig = lambda f,p: float(('%.' + str(p) + 'e') % f) allows you to adjust the number of significant digits! – denizb Aug 6 '17 at 22:43 ...
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Project structure for Google App Engine

.... However, as it has grown, and features have been added, it has gotten really difficult to keep things organized - mainly due to the fact that this is my first python project, and I didn't know anything about it until I started working. ...
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How can I access “static” class variables within class methods in Python?

... As with all good examples, you've simplified what you're actually trying to do. This is good, but it is worth noting that python has a lot of flexibility when it comes to class versus instance variables. The same can be said of meth...
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MongoDB SELECT COUNT GROUP BY

... I need some extra operation based on the result of aggregate function. Finally I've found some solution for aggregate function and the operation based on the result in MongoDB. I've a collection Request with field request, source, status, requestDate. Single Field Group By & Count: db.Request...
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How to assert two list contain the same elements in Python? [duplicate]

... Thanks. But downright misleading, I would have called it! – Wild Pottok Oct 22 '18 at 16:18 ...
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What really happens in a try { return x; } finally { x = null; } statement?

...L level you can't return from inside an exception-handled block. It essentially stores it in a variable and returns afterwards i.e. similar to: int tmp; try { tmp = ... } finally { ... } return tmp; for example (using reflector): static int Test() { try { return SomeNumber(); ...
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Why can't I define a default constructor for a struct in .NET?

...type a default constructor is created (by the compiler?) which initialized all members to zero (or null ). 10 Answers ...
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Which characters make a URL invalid?

... @techiferous, Yeah, I forgot to allow "%" escaped characters. It should've looked more like: /^([!#$&-;=?-[]_a-z~]|%[0-9a-fA-F]{2})+$/ Was there anything else that you found it should've been accepting? (Just to be clear, that regex only checks ...
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How can I check if my python object is a number? [duplicate]

In Java the numeric types all descend from Number so I would use 5 Answers 5 ...
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How to autosize a textarea using Prototype?

...nal sales application for the company I work for, and I've got a form that allows the user to change the delivery address. ...