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What is the syntax rule for having trailing commas in tuple definitions?

... In all cases except the empty tuple the comma is the important thing. Parentheses are only required when required for other syntactic reasons: to distinguish a tuple from a set of function arguments, operator precedence, or to a...
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Django TemplateDoesNotExist?

... assuming that you have the apps configured in settings.py like this: INSTALLED_APPS = ( 'appname1', 'appname2', 'appname3', ) By default Django will load the templates under templates/ directory under every installed apps. So with your directory structure, we want to move our templat...
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Disable validation of HTML5 form elements

...ecause it should absolutely work without JavaScript. In my case, I put a select element with 2 options (http:// or https://) before the URL input because I just need websites (and no ftp:// or other things). This way I avoid typing this weird prefix (the biggest regret of Tim Berners-Lee and maybe...
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How can jQuery deferred be used?

... // or may not have been retrieved using an // XHR request. }); Basically, if the value has already been requested once before it's returned immediately from the cache. Otherwise, an AJAX request fetches the data and adds it to the cache. The $.when/.then doesn't care about any of this; all ...
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Get Element value with minidom with Python

... It's just because of the way they designed it to work with html, to allow for elements such as this <nodeA>Some Text<nodeinthemiddle>__complex__structure__</nodeinthemiddle>Some more text</nodeA>, in this case do you think nodeA's nodeValue should contain all text incl...
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Autoreload of modules in IPython [duplicate]

Is there a way to have IPython automatically reload all changed code? Either before each line is executed in the shell or failing that when it is specifically requested to. I'm doing a lot of exploratory programming using IPython and SciPy and it's quite a pain to have to manually reload each module...
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Markdown open a new window link [duplicate]

... common features of HTML. One of its best features is that you can always fallback to the full syntax for HTML. This includes doing things that aren't included in markdown. Personally, I like that markdown is concise and includes very little fluff. It makes it easier to learn the whole set of short...
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Chrome Dev Tools: How to trace network for a link that opens a new tab?

...e://net-export in the latest version of Chrome) for a detailed overview of all network events happening in your browser. Other possible solution, depending on your specific problem, may be to enable 'Preserve log' on the 'Network' tab: and force all links to open in the same tab by executing ...
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How can I disable ReSharper in Visual Studio and enable it again?

...nd to Ctrl alt A. That might be because Re# has bound the Ctrl W to Extend selection – Default Feb 21 '13 at 9:52 ...
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ASP.NET MVC: What is the purpose of @section? [closed]

... @section is for defining a content are override from a shared view. Basically, it is a way for you to adjust your shared view (similar to a Master Page in Web Forms). You might find Scott Gu's write up on this very interesting. Edit: Based on additional question clarification The @RenderSection...