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How to set up Spark on Windows?
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You can bring up the Mahout Spark instance at:
"C:\Program Files (x86)\Google\Chrome\Application\chrome" --disable-web-security http://localhost:4040
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Java switch statement multiple cases
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The second option is completely fine. I'm not sure why a responder said it was not possible. ...
Should image size be defined in the img tag height/width attributes or in CSS? [duplicate]
...'t the same happen with CSS height/width?
– user1767586
Jan 12 '15 at 18:22
@user1767586 I've been told that no. It is...
What is the intent of the methods getItem and getItemId in the Android class BaseAdapter?
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I see these methods as a cleaner approach to accessing my list's data. Instead of directly acce...
What does the filter parameter to createScaledBitmap do?
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A quick dig through the SKIA source-code indicates that (at least by default) the FILTER flag c...
Which one will execute faster, if (flag==0) or if (0==flag)?
...-in, then both should take the same speed.
From the Wikipedia article on x86, I'd bet for a Jxx instruction for the if statement: perhaps a JNZ (Jump if Not Zero) or some equivalent.
I'd doubt the compiler misses such an obvious optimization, even with optimizations turned off. This is the type of...
What is the fastest way to compute sin and cos together?
...other example (for MSVC): http://www.codeguru.com/forum/showthread.php?t=328669
Here is yet another example (with gcc): http://www.allegro.cc/forums/thread/588470
Hope one of them helps.
(I didn't use this instruction myself, sorry.)
As they are supported on processor level, I expect them to be w...
Why is i++ not atomic?
...ncrement type operation is usually not atomic for performance reasons. In x86, a special instruction "lock prefix" must be used to make the inc instruction atomic: for the same reasons as above. If inc were always atomic, it would never be used when a non-atomic inc is required; programmers and com...
equals vs Arrays.equals in Java
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Peter LawreyPeter Lawrey
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How to create full compressed tar file using Python?
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import tarfile
tar = tarfile.open("sample.tar.gz", "w:gz")
for name in ["file1", "file2", "file...