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How to create a directory if it doesn't exist using Node.js?

Is this the right way to create a directory if it doesn't exist. It should have full permission for the script and readable by others. ...
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What's the meaning of exception code “EXC_I386_GPFLT”?

...s way to tell you that "you did something that you are not allowed to do". It typically DOESN'T mean that you access out of memory bounds, but it could be that your code is going out of bounds and causing bad code/data to be used in a way that makes for an protection violation of some sort. Unfort...
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Inject errors into already validated form?

... Form._errors can be treated like a standard dictionary. It's considered good form to use the ErrorList class, and to append errors to the existing list: from django.forms.utils import ErrorList errors = form._errors.setdefault("myfield", ErrorList()) errors.append(u"My error here...
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Check if a Windows service exists and delete in PowerShell

I am currently writing a deployment script that installs a number of Windows services. 14 Answers ...
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importing pyspark in python shell

...question on another forum that was never answered, so I thought I'd re-ask it here, as I have the same issue. (See http://geekple.com/blogs/feeds/Xgzu7/posts/351703064084736) ...
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Accept function as parameter in PHP

... It's possible if you are using PHP 5.3.0 or higher. See Anonymous Functions in the manual. In your case, you would define exampleMethod like this: function exampleMethod($anonFunc) { //execute anonymous function $a...
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Resumable downloads when using PHP to send the file?

...es, to tell the client that you support partial content. Then, if request with a Range: bytes=x-y header is received (with x and y being numbers) you parse the range the client is requesting, open the file as usual, seek x bytes ahead and send the next y - x bytes. Also set the response to HTTP/1.0...
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Google maps API V3 - multiple markers on exact same spot

Bit stuck on this one. I am retrieving a list of geo coords via JSON and popping them onto a google map. All is working well except in the instance when I have two or more markers on the exact same spot. The API only displays 1 marker - the top one. This is fair enough I suppose but would like t...
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What's the difference between ES6 Map and WeakMap?

Looking this and this MDN pages it seems like the only difference between Maps and WeakMaps is a missing "size" property for WeakMaps. But is this true? What's the difference between them? ...
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Add a column with a default value to an existing table in SQL Server

How can I add a column with a default value to an existing table in SQL Server 2000 / SQL Server 2005 ? 41 Answers ...