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What is choice_set in this Django app tutorial?

...jango's ORM follows the relationship backwards from Question too, automatically generating a field on each instance called foo_set where Foo is the model with a ForeignKey field to that model. choice_set is a RelatedManager which can create querysets of Choice objects which relate to the Question i...
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When is an interface with a default method initialized?

...ough to trigger the initialization. The default method doesn't have to be called or overridden or even mentioned, nor does the presence of an abstract method trigger initialization. My speculation is that the HotSpot implementation wanted to avoid adding class/interface initialization checking into...
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What does upstream mean in nginx?

... location / { proxy_pass http://myproject; } } } This means all requests for / go to the any of the servers listed under upstream XXX, with a preference for port 8000. share | improve...
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What are Runtime.getRuntime().totalMemory() and freeMemory()?

...Memory() Returns the amount of free memory in the Java Virtual Machine. Calling the gc method may result in increasing the value returned by freeMemory. In reference to your question, maxMemory() returns the -Xmx value. You may be wondering why there is a totalMemory() AND a maxMemory(). The an...
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Rails: Get Client IP address

... request.remote_ip is an interpretation of all the available IP address information and it will make a best-guess. If you access the variables directly you assume responsibility for testing them in the correct precedence order. Proxies introduce a number of headers th...
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How to get a specific “commit” of a gem from github?

...it://github.com/rails/rails.git', :tag => 'v2.3.5' Source: How to install gems from git repositories share | improve this answer | follow | ...
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Should import statements always be at the top of a module?

...t that's only paid once. Putting the imports within a function will cause calls to that function to take longer. So if you care about efficiency, put the imports at the top. Only move them into a function if your profiling shows that would help (you did profile to see where best to improve perform...
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Combining multiple @SuppressWarnings annotations - Eclipse Indigo

... Is this the normal convention for all annotations in Eclipse? – knownasilya Oct 25 '12 at 14:16 1 ...
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Sourcemaps off by one line in Chrome, with Ruby on Rails, Webpack, and React JS

... also on your webpack config try using different sourcemaps on devtool try all of these to see if one works for inline source map: inline-source-map cheap-inline-source-map for other different configs: cheap-source-map cheap-module-source-map cheap-module-eval-source-map on webpack config: ...
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IIS Express Immediately shutting-down running site after stopping web application

...t and Continue checkbox in project properties) you have to use the "Detech all" command to stop debugging. The debugger will detach from the iis process without closing it. Clearly "Edit and Continue" feature will not work until you start debugging again. ...