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What is the rationale behind having companion objects in Scala?
Is there a case where a companion object (singleton) for a class is needed? Why would I want to create a class, say Foo and also create a companion object for it?
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Rolling back local and remote git repository by 1 commit
...you can change its HEAD reference even though it is a bare repo)
Note, as commented by alien-technology in the comments below, on Windows (CMD session), you would need ^^:
git reset --hard HEAD^^
git push -f
Update since 2011:
Using git push --force-with-lease (that I present here, introduced i...
How can I trigger a Bootstrap modal programmatically?
... @tdubs: weird, it should work. See latest modal code github.com/twitter/bootstrap/blob/master/js/bootstrap-modal.js. So far I see, it should still working
– Claudio Redi
Jul 4 '13 at 21:27
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How to solve the error LNK2019: unresolved external symbol - function?
...t answer to your problem is that when building your UnitTest1 project, the compiler and linker have no idea that function.cpp exists, and also have nothing to link that contains a definition of multiple. A way to fix this is making use of linking libraries.
Since your unit tests are in a different...
What does $@ mean in a shell script?
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teaching.idallen.com/dat2330/04f/notes/shell_variables.txt Check this out.
– Har
Apr 3 '12 at 14:13
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The following untracked working tree files would be overwritten by merge, but I don't care
... git add -A .; git stash worked for me. The git add * variant complained about ignored paths.
– imsky
Jan 26 '15 at 15:33
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Please enter a commit message to explain why this merge is necessary, especially if it merges an upd
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that's hella complicated
– Connor Leech
Aug 21 '14 at 22:32
106
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Best way to remove an event handler in jQuery?
... API has been updated, .bind()/.unbind() are still available for backwards compatibility, but the preferred method is using the on()/off() functions. The below would now be,
$('#myimage').click(function() { return false; }); // Adds another click event
$('#myimage').off('click');
$('#myimage').on('...
Best way to detect when a user leaves a web page?
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Regex to replace multiple spaces with a single space
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