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Android: How to enable/disable option menu item on button click?

... Anyway, the documentation covers all the things. Changing menu items at runtime Once the activity is created, the onCreateOptionsMenu() method is called only once, as described above. The system keeps and re-uses the Menu you define in this meth...
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Rails 3: I want to list all paths defined in my rails application

I want to list all defined helper path functions (that are created from routes) in my rails 3 application, if that is possible. ...
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Deleting all records in a database table

How do I delete all records in one of my database tables in a Ruby on Rails app? 7 Answers ...
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With GitHub how do I push all branches when adding an existing repo?

... Note: git push --all won't push your tags, only your branches. git push --all git push --tags would really push everything. See also "Set up git to pull and push all branches". Don't forget the --dry-run option to make some test before act...
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Get exit code of a background process

I have a command CMD called from my main bourne shell script that takes forever. 12 Answers ...
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Why should I prefer single 'await Task.WhenAll' over multiple awaits?

...n case I do not care about the order of task completion and just need them all to complete, should I still use await Task.WhenAll instead of multiple await ? e.g, is DoWork2 below a preferred method to DoWork1 (and why?): ...
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git discard all changes and pull from upstream

...anch on my repo, which is master, and I completely messed it up, so I basically need to start over from the upstream. I think init will do the job, but is there an easier way? ...
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Can jQuery get all CSS styles associated with an element?

Is there a way in jQuery to get all CSS from an existing element and apply it to another without listing them all? 5 Answer...
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Trees in Twitter Bootstrap [closed]

... Wow, great solution - and easily extensible! – rkallensee Apr 8 '14 at 15:46 Where is the collapse expand function...
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Django Server Error: port is already in use

... A more simple solution just type sudo fuser -k 8000/tcp. This should kill all the processes associated with port 8000. EDIT: For osx users you can use sudo lsof -t -i tcp:8000 | xargs kill -9 share | ...