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Why switch is faster than if
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@Eric it is slower for a small number of values esp String or int which are sparse.
– Peter Lawrey
Jan 3 '18 at 3:29
add a comment
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moving committed (but not pushed) changes to a new branch after pull
... Cherry-pick is really the best "copy/move a single commit" command, esp. when history is baggage for your purposes.
– John Neuhaus
May 14 '18 at 15:24
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How to send an object from one Android Activity to another using Intents?
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Not necessarily a bad idea, esp. since Gson is much simpler to use than to implement parcelable for all the objects you want to send.
– uvesten
Apr 13 '11 at 15:26
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How to read a text file reversely with iterator in C#
... bit set are the start of a character
// See http://www.cl.cam.ac.uk/~mgk25/unicode.html
characterStartDetector = (pos, data) => (data & 0x80) == 0 || (data & 0x40) != 0;
}
else
{
throw new ArgumentExcepti...
Should I use SVN or Git? [closed]
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@Oli Would be good to update your answer (esp about Windows git client) based on the comments here and your experience. The current answer seems biased now that 2-3 years have passed since it was written.
– amit
May 16 '11 at 3:...
In log4j, does checking isDebugEnabled before logging improve performance?
...g(someString);
But usually, as the application grows, changes many hands, esp novice developers, you could see
logger.debug(str1 + str2 + str3 + str4);
and the like.
Even if log level is set to ERROR or FATAL, the concatenation of strings do happen !
If the application contains lots of DEBUG lev...
Why does sun.misc.Unsafe exist, and how can it be used in the real world?
...traction levels and numerous of checks. Failing the CAS is a bad in a loop esp. when the hardware decides to mispredict the branch (due to high contention) but having few more compare/branches just hurts. Park/Unpark are exposed through LockSupport not AQS (that latter is more of a lock impl. than ...
Is there a practical use for weak references? [duplicate]
...e quick&dirty caches via soft references but they are just unreliable, esp. w/o control over the GC and caches shall not be a driving force how to configure the GC.
– bestsss
Jan 16 '12 at 2:48
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Parsing JSON with Unix tools
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On the basis that some of the recommendations here (esp in the comments) suggested the use of Python, I was disappointed not to find an example.
So, here's a one liner to get a single value from some JSON data. It assumes that you are piping the data in (from somewhere) and s...
Learning Python from Ruby; Differences and Similarities
...that's the programmer's fault, not the language's.
– Cam Jackson
Oct 24 '13 at 2:44
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