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What is the purpose of shuffling and sorting phase in the reducer in Map Reduce Programming?
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First of all shuffling is the process of transfering data from the mappers to the reducers, so I think it is obvious that it is necessary for the reducers, since otherwise, they wouldn't be able to have any input (or input from every ...
How do I break out of nested loops in Java?
...ption (sorry). But I'd still be unhappy about this if it wasn't obvious (small loops, warning comment if the label/break still aren't visible enough).
– Steve314
Dec 7 '11 at 0:40
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How to get execution time in rails console?
I want compare time of execution Post.all and SELECT * FROM posts (or some other statements) How can i get execution time of Post.all ?
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How can I use Autolayout to set constraints on my UIScrollview?
... Apple describes in the Technical Note.
I also had a lot of trouble originally getting Auto Layout to work with UIScrollView. The key to getting it to work is making sure that all of the items in the scroll view, taken together, have constraints that eventually link to all sides of the scroll view ...
Controlling maven final name of jar artifact
I'm trying to define a property in our super pom which will be used by all child projects as the destination of the generated artifact.
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onchange event on input type=range is not triggering in firefox while dragging
... Just note that with this solution, in chrome you will get two calls to the handler (one per event), so if you care for that, then you need to guard against it.
– Jaime
Mar 24 '14 at 17:46
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Replacing instances of a character in a string
...lace in:
line = line[:10].replace(';', ':') + line[10:]
That'll replace all semi-colons in the first 10 characters of the string.
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How can I change an element's text without changing its child elements?
I'd like to update element's text dynamically:
14 Answers
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Prevent unit tests but allow integration tests in Maven
...out skipping failsafe tests.
Property value seems to magically default to false -->
<skipTests>${skip.surefire.tests}</skipTests>
</configuration>
</plugin>
This allows you to run mvn verify -Dskip.surefire.tests and only surefire, not failsa...
jQuery remove all list items from an unordered list
I forgot the jQuery command that will clear all list elements from a list. I did a bit of searching, done it a bunch of times before, but just simply forgot the command.
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