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Difference between static STATIC_URL and STATIC_ROOT on Django

...example.com/static/" now the command ./manage.py collectstatic will copy all the static files(ie in static folder in your apps, static files in all paths) to the directory /var/www/example.com/static/. now you only need to serve this directory on apache or nginx..etc. STATIC_URL The URL of w...
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What do 'real', 'user' and 'sys' mean in the output of time(1)?

... time; User and Sys refer to CPU time used only by the process. Real is wall clock time - time from start to finish of the call. This is all elapsed time including time slices used by other processes and time the process spends blocked (for example if it is waiting for I/O to complete). User is t...
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SQLAlchemy - Getting a list of tables

... All of the tables are collected in the tables attribute of the SQLAlchemy MetaData object. To get a list of the names of those tables: >>> metadata.tables.keys() ['posts', 'comments', 'users'] If you're using the...
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Check orientation on Android phone

...anging, because the launcher has locked the screen orientation and doesn't allow it to change. So it is correct that .orientation doesn't change, because the orientation hasn't changed. The screen is still portrait. – hackbod Feb 23 '12 at 8:32 ...
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Android - Camera preview is sideways

... as a bug with certain hardware see here but can be overcome by using the call to mCamera.setDisplayOrientation(degrees) available in API 8. So this is how I implement it: public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { if (isPreviewRunning) { ...
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How do I use the includes method in lodash to check if an object is in the collection?

... The includes (formerly called contains and include) method compares objects by reference (or more precisely, with ===). Because the two object literals of {"b": 2} in your example represent different instances, they are not equal. Notice: ({"b": 2}...
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Chained method calls indentation style in Python [duplicate]

...the closing parenthesis on the same line as the last argument in function calls: 2 Answers ...
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Create, read, and erase cookies with jQuery [duplicate]

... Cross-browser correctness is a constant problem with web development. Are cookies handled uniformly enough to directly use document.cookie everywhere? Can you say which browsers this has been tested with? – doug65536 Jul 20 '13 at 15:43 ...
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A good book for learning D3.js [closed]

...@Autio already mentioned, there are the tutorials from Scott Murray on his website. You will also note that on his site, he has a link to his recent d3 book, Interactive Data Visualization for the Web. However, that book is now available online for free, along with embedded jsbin examples. http:...
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Private vs Public in Cache-Control

... The only difference is that with Private you are not allowing proxies to cache the data that travels through them. In the end, it all boils down to the data contained in the pages/files you are sending. For example, your ISP could have an invisible proxy between you and the In...