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How to parse JSON in Java

... GSON does not support dynamic filtering of fields on levels other than root! – Gangnus Aug 6 '16 at 14:02  |  show 3 more comments ...
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Is there any reason for using WebGL instead of 2D Canvas for 2D games/apps?

...'t be possible with canvas, when it will run ok in webGL. Performance is a root feature. Yet webGL is quite complicated to program : see if canvas is good enough for you or seek a library that will ease the pain... Other drawback : it doesn't work on IE (but what does ?), and on some mobiles. Se...
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Unique fields that allow nulls in Django

... For my project, I dumped this into an extras.py file that lives in the root of my site, then I can just from mysite.extras import CharNullField in my app's models.py file. The field acts just like a CharField - just remember to set blank=True, null=True when declaring the field, or otherwise Dj...
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Rails: where does the infamous “current_user” come from?

...ser_id]) end end This assumes that the User class exists, e.g. #{Rails.root}/app/models/user.rb. Updated: avoid additional database queries when there is no current user. share | improve this a...
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JUnit tests pass in Eclipse but fail in Maven Surefire

...paste gun). I suggest everybody with this symptom to investigate what the root cause is. Disabling thread reuse in test execution might only hide it. share | improve this answer | ...
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Install NPM into home directory with distribution nodejs package (Ubuntu)

...ges: Install Nodejs and NPM via the chris-lea PPA. Then I set up a package root in my homedir to hold the Node "global" packages: $ NPM_PACKAGES="$HOME/.npm-packages" $ mkdir -p "$NPM_PACKAGES" Set NPM to use this directory for its global package installs: $ echo "prefix = $NPM_PACKAGES" >&gt...
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How do I add an existing Solution to GitHub from Visual Studio 2013

...e readme, you can recover by opening a git shell (bash or ps) and from the root directory type git remote rm origin. That will bring back the URL text box in VS2013 and allow you to re-add the remote server. There may be a way to do it in VS but I couldn't find it. – bob ...
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PostgreSQL Connection URL

...Server=192.168.1.163;Port=5432;Database=postgres;User Id=postgres;Password=root; share | improve this answer | follow | ...
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Is there a use-case for singletons with database access in PHP?

I access my MySQL database via PDO. I'm setting up access to the database, and my first attempt was to use the following: 1...
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java.lang.IllegalArgumentException: View not attached to window manager

... Instead of blindly catching all exceptions, this solution addresses the root of the problem: trying to dimiss a dialog when the activity used to initialize the dialog has already been finished. Working on my Nexus 4 running KitKat, but should work for all versions of Android. ...