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best way to preserve numpy arrays on disk

... am looking for a fast way to preserve large numpy arrays. I want to save them to the disk in a binary format, then read them back into memory relatively fastly. cPickle is not fast enough, unfortunately. ...
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Clean ways to write multiple 'for' loops

For an array with multiple dimensions, we usually need to write a for loop for each of its dimensions. For example: 16 An...
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How Drupal works? [closed]

Could someone provide a architectural overview of the Drupal 7 control flow? Perhaps in the sense of a flowchart about how a page gets generated. What additional resources would you suggest consulting with regards to how Drupal works? ...
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Can you change what a symlink points to after it is created?

Does any operating system provide a mechanism (system call — not command line program) to change the pathname referenced by a symbolic link (symlink) — other than by unlinking the old one and creating a new one? ...
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What is the default form HTTP method?

When an HTML form is submitted without specifying a method, what is the default HTTP method used? GET or POST? 5 Answers ...
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PHP Regex to check date is in YYYY-MM-DD format

I'm trying to check that dates entered by end users are in the YYYY-MM-DD. Regex has never been my strong point, I keep getting a false return value for the preg_match() I have setup. ...
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How exactly does the python any() function work?

In the python docs page for any , the equivalent code for the any() function is given as: 5 Answers ...
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How to trace the path in a Breadth-First Search?

How do you trace the path of a Breadth-First Search, such that in the following example: 5 Answers ...
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Django ModelForm: What is save(commit=False) used for?

Why would I ever use save(commit=False) instead of just creating a form object from the ModelForm subclass and running is_valid() to validate both the form and model? ...
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Best practice for Django project working directory structure

I know there is actually no single right way. However I've found that it's hard to create a directory structure that works well and remain clean for every developer and administrator. There is some standard structure in most projects on github. But it does not show a way to organize another files an...