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How to run eclipse in clean mode? what happens if we do so?

...t does: if set to "true", any cached data used by the OSGi framework and eclipse runtime will be wiped clean. This will clean the caches used to store bundle dependency resolution and eclipse extension registry data. Using this option will force eclipse to reinitialize these caches...
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Git Clone: Just the files, please?

I want to clone a GIT repo and NOT end up with a .git directory. In other words I just want the files. Is there a way to do this? ...
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Font Awesome not working, icons showing as squares

So I'm trying to prototype a marketing page and I'm using Bootstrap and the new Font Awesome file. The problem is that when I try to use an icon, all that gets rendered on the page is a big square. ...
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Android Spinner: Get the selected item change event

... Some of the previous answers are not correct. They work for other widgets and views, but the documentation for the Spinner widget clearly states: A spinner does not support item click events. Calling this method will raise an exception. Better use OnItemSelectedListener() instead: spinn...
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sqlalchemy flush() and get inserted id?

...re populated immediately within the flush() process as they are generated, and no call to commit() should be required. So the answer here lies in one or more of the following: The details of your mapping If there are any odd quirks of the backend in use (such as, SQLite doesn't generate integer v...
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Overloading member access operators ->, .*

I understand most operator overloading, with the exception of the member access operators -> , .* , ->* etc. 5 An...
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What is the difference between pluck and collect in Rails?

...er.first.gifts.collect(&:id) You have objects with all fields loaded and you simply get the id thanks to the method based on Enumerable. So: if you only need the id with Rails 4, use ids: User.first.gifts.ids if you only need some fields with Rails 4, use pluck: User.first.gifts.pluck(:id, ...
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Postgresql: password authentication failed for user “postgres”

I have installed PostgreSQL 8.4, Postgres client and Pgadmin 3. Authentication failed for user "postgres" for both console client and Pgadmin. I have typed user as "postgres" and password "postgres", because it worked before. But now authentication is failed. I did it before a couple of times withou...
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Can Java 8 code be compiled to run on Java 7 JVM?

... code requires you to target a 1.8 VM. I just tried the new Java 8 release and tried compiling with -target 1.7 -source 1.8, and the compiler refuses: $ javac Test -source 1.8 -target 1.7 javac: source release 1.8 requires target release 1.8 ...
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Cast List to List in .NET 2.0

... I found that it works with VS2008 and .NET 2.0, as long as you have at least .NET 3.0 installed. see stackoverflow.com/questions/3341846/… – igelineau Oct 15 '14 at 14:26 ...