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AttributeError: 'module' object has no attribute 'urlopen'

... A Python 2+3 compatible solution is: import sys if sys.version_info[0] == 3: from urllib.request import urlopen else: # Not Python 3 - today, it is most likely to be Python 2 # But note that this might need an update when Python 4 # might be around one day from urlli...
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What does rake db:test:prepare actually do?

...am following the rails tutorial videos and I can't figure out what the db:test:prepare command actually does. Can someone provide an explanation? ...
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jQuery attr vs prop?

...his isn't just another What's the difference question , I have done some tests(http://jsfiddle.net/ZC3Lf/) modifying the prop and attr of <form action="/test/"></form>​ with the output being: ...
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Advantages of using prototype, vs defining methods straight in the constructor? [duplicate]

...// Create 2 instances: var ins1 = new Class(), ins2 = new Class(); // Test the calc method: console.log(ins1.calc(1,1), ins2.calc(1,1)); // -> 2, 2 // Change the prototype method Class.prototype.calc = function () { var args = Array.prototype.slice.apply(arguments), res = 0, c; ...
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How to check if running as root in a bash script

... @StephenAngelico Sudo should work. If you're testing it by doing $ sudo echo $EUID ; that's a bad test and will fail because $EUID is expanded before the command is passed to sudo. Try putting echo $EUID in a test script and running that with sudo. ...
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Generate random numbers with a given (numerical) distribution

...> choices(population, weights) 4 The optional keyword-only argument k allows one to request more than one sample at once. This is valuable because there's some preparatory work that random.choices has to do every time it's called, prior to generating any samples; by generating many samples at o...
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Fluent Validation vs. Data Annotations [closed]

...d to Data Annotations It separates the validation from my view models Unit testing is far easier compared to Data Annotations It has excellent client side validation support for most standard validation rules share ...
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Most efficient way to concatenate strings in JavaScript?

...to it and then do a join. Can anyone explain and give an example of the fastest way to do this? 4 Answers ...
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Argparse: Required argument 'y' if 'x' is present

...n and proxy ports') That saves your users typing. It is just as easy to test if args.prox is not None: as if args.prox:. share | improve this answer | follow ...
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Site stopped working in asp.net System.Web.WebPages.Razor.Configuration.HostSection cannot be cast t

...), updated the web.config file accordingly and it still didn't work. It finally worked when i changed my web.config file (INSIDE THE VIEWS directory) from: <sectionGroup name="system.web.webPages.razor" type="System.Web.WebPages.Razor.Configuration.RazorWebSectionGroup, System.Web.WebPages.Razor...