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Difference between “git checkout ” and “git checkout -- ”
http://norbauer.com/notebooks/code/notes/git-revert-reset-a-single-file
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Is it safe to delete an object property while iterating over them?
...erating over an object's properties, is it safe to delete them while in a for-in loop?
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What is the difference between require_relative and require in Ruby?
...t is relative to the file containing the require_relative statement.
For example, if you have unit test classes in the "test" directory, and data for them under the test "test/data" directory, then you might use a line like this in a test case:
require_relative "data/customer_data_1"
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How do I fix "The expression of type List needs unchecked conversion…'?
...>, then cast each element of the sf.getEntries() result to SyndEntry before adding it to your new list. Collections.checkedList does not do this checking for you—although it would have been possible to implement it to do so.
By doing your own cast up front, you're "complying with the warranty...
Hidden features of Windows batch files
What are some of the lesser know, but important and useful features of Windows batch files?
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What is resource-ref in web.xml used for?
... the container-specific name into your code. This has some disadvantages, for example, if you'll ever want to change the name later for some reason, you'll need to update all the references in all your applications, and then rebuild and redeploy them.
<resource-ref> introduces another layer o...
What are some popular naming conventions for Unit Tests? [closed]
1) MethodName_StateUnderTest_ExpectedBehavior
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Using git repository as a database backend
...roject that deals with structured document database. I have a tree of categories (~1000 categories, up to ~50 categories on each level), each category contains several thousands (up to, say, ~10000) of structured documents. Each document is several kilobytes of data in some structured form (I'd pref...
Are Java static calls more or less expensive than non-static calls?
Is there any performance benefit one way or another? Is it compiler/VM specific? I am using Hotspot.
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Simulate first call fails, second call succeeds
...docs:
Sometimes we need to stub with different return value/exception for the same method call. Typical use case could be mocking iterators. Original version of Mockito did not have this feature to promote simple mocking. For example, instead of iterators one could use Iterable or simply collect...