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pip broke. how to fix DistributionNotFound error?

...s problem in my MacBook, the reason is because as @Stephan said, I use easy_install to install pip, and the mixture of both py package manage tools led to the pkg_resources.DistributionNotFound problem. The resolve is: easy_install --upgrade pip Remember: just use one of the above tools to manag...
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Can someone explain the dollar sign in Javascript?

... I'm not sure I would call that link a "clear" explanation. Does it really take 6+ paragraphs to explain that $ is simply a valid character when defining function and variable names? – Slight Mar 20 '15 at 20:...
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How to install PyQt4 on Windows using pip?

...ld than just a pure python code package, which means it can be hard to install it from source. Make sure you grab the correct Windows wheel file (python version, 32/64 bit), and then use pip to install it - e.g: C:\path\where\wheel\is\> pip install PyQt4-4.11.4-cp35-none-win_amd64.whl Should ...
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The conversion of a datetime2 data type to a datetime data type resulted in an out-of-range value

...orm (headline, story, and image). ApplyPropertyChanges applies changes to all properties of the object, including your uninitialized DateTime, which is set to 0001-01-01, which is outside of the range of SQL Server's DATETIME. Rather than using ApplyPropertyChanges, I'd suggest retrieving the obje...
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Check if a variable is a string in JavaScript

...ing both typeof and instanceof feels like good advice if your code may be called by others'. @MarkAmery's postmessage edge case matters if you're asking "what was I just postmessaged?" - but you'd expect that to be handled at the interface and not allowed to propagate. Elsewhere, it seems correct t...
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Finding out the name of the original repository you cloned from in Git

... In the repository root, the .git/config file holds all information about remote repositories and branches. In your example, you should look for something like: [remote "origin"] fetch = +refs/heads/*:refs/remotes/origin/* url = server:gitRepo.git Also, the Git comm...
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How to rename items in values() in Django?

... could use the extra method: MyModel.objects.extra( select={ 'renamed_value': 'cryptic_value_name' } ).values( 'renamed_value' ) This basically does SELECT cryptic_value_name AS renamed_value in the SQL. Another option, if you always want the renamed version but the db has the cryptic nam...
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phpcms v9类别调用方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...前面加一句把类别缓存加载进来: <?php $TYPE = getcache('type_content','commons');?> 然后在循环里写: <a href="index.php?m=content&c=type&catid={$catid}&typeid={$r[typeid]}">{$TYPE[$r[typeid]][name]}</a> 这样就可以调用出来类别了,不过链接暂时无效,因...
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Where can I find the IIS logs?

... in my local IIS. I've created a website exactly as explained in their install guide, but am having some problems, and would like to see what the IIS log has to say. Embarrassingly enough, the problem is I can't find the log files! ...
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In pure functional languages, is there an algorithm to get the inverse function?

... In some cases, yes! There's a beautiful paper called Bidirectionalization for Free! which discusses a few cases -- when your function is sufficiently polymorphic -- where it is possible, completely automatically to derive an inverse function. (It also discusses what makes...