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How do I create a namespace package in Python?

In Python, a namespace package allows you to spread Python code among several projects. This is useful when you want to release related libraries as separate downloads. For example, with the directories Package-1 and Package-2 in PYTHONPATH , ...
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ggplot with 2 y axes on each side and different scales

...counts and a line chart showing rate all in one chart, I can do both of them separately, but when I put them together, I scale of the first layer (i.e. the geom_bar ) is overlapped by the second layer (i.e. the geom_line ). ...
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What is the recommended way to delete a large number of items from DynamoDB?

I'm writing a simple logging service in DynamoDB. 6 Answers 6 ...
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CSS Progress Circle [closed]

...site to find progress bars, but the ones I have been able to found show animated circles that go to the full 100%. 4 Answer...
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Why use 'virtual' for class properties in Entity Framework model definitions?

...blog: http://weblogs.asp.net/scottgu/archive/2010/07/16/code-first-development-with-entity-framework-4.aspx 7 Answers ...
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Join vs. sub-query

I am an old-school MySQL user and have always preferred JOIN over sub-query. But nowadays everyone uses sub-query, and I hate it; I don't know why. ...
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How is a CRC32 checksum calculated?

Maybe I'm just not seeing it, but CRC32 seems either needlessly complicated, or insufficiently explained anywhere I could find on the web. ...
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Which equals operator (== vs ===) should be used in JavaScript comparisons?

I'm using JSLint to go through JavaScript, and it's returning many suggestions to replace == (two equals signs) with === (three equals signs) when doing things like comparing idSele_UNVEHtype.value.length == 0 inside of an if statement. ...
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How can I measure the speed of code written in PHP? [closed]

How can I say which class of many (which all do the same job) execute faster? is there a software to measure that? 10 Answe...
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AngularJS : When to use service instead of factory

...value that is returned by invoking the function reference (the return statement in factory). ref: angular.service vs angular.factory Second: Keep in mind all providers in AngularJS (value, constant, services, factories) are singletons! Third: Using one or the other (service or factory) is a...