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How to use permission_required decorators on django class-based views

...ing how the new CBVs work. My question is this, I need to require login in all the views, and in some of them, specific permissions. In function-based views I do that with @permission_required() and the login_required attribute in the view, but I don't know how to do this on the new views. Is there ...
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What is the size of an enum in C?

...set of enum values, but I need each enum value to be 64 bits wide. If I recall correctly, an enum is generally the same size as an int; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to have an e...
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Principal component analysis in Python

... Months later, here's a small class PCA, and a picture: #!/usr/bin/env python """ a small class for Principal Component Analysis Usage: p = PCA( A, fraction=0.90 ) In: A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 colum...
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GET URL parameter in PHP

...perglobal: a built-in variable that's populated by PHP and is available in all scopes (you can use it from inside a function without the global keyword). Since the variable might not exist, you could (and should) ensure your code does not trigger notices with: <?php if (isset($_GET['link'])) { ...
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Mongoose populate after save

I cannot manually or automatically populate the creator field on a newly saved object ... the only way I can find is to re-query for the objects I already have which I would hate to do. ...
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jQuery or CSS selector to select all IDs that start with some string [duplicate]

How can I select all elements whose id starts with "player_"? 4 Answers 4 ...
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How does Facebook disable the browser's integrated Developer Tools?

... link; ours is a little more complicated for no good reason. Chrome wraps all console code in with ((console && console._commandLineAPI) || {}) { <code goes here> } ... so the site redefines console._commandLineAPI to throw: Object.defineProperty(console, '_commandLineAPI', {...
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Extract value of attribute node via XPath

... With xqilla it was necessary to call xs:string. I wonder why. – krlmlr Jul 22 '13 at 20:00 1 ...
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How do you get the list of targets in a makefile?

...ed rake a bit (a Ruby make program), and it has an option to get a list of all the available targets, eg 20 Answers ...
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How to request Administrator access inside a batch file

...s method doesn't forward arguments. Do you know How that can be done? Basically what I observe is that on the first line %1 has some value and on the last line %1 is null. I need to forward the arguments. – prongs Jan 11 '13 at 11:54 ...