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Why does Clojure have “keywords” in addition to “symbols”?
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It seems keywords are more useful as keys in hashmaps etc as they don't change once evaluated: (eval (eval ':a)) vs (eval (eval ''a)). Are there other advantages? Performance wise, they are identical?
– kristianlm
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git ahead/behind info between master and branch?
...wo branches and show how many commits each branch is ahead of the other (a more general answer on your question 1):
For local branches:
git rev-list --left-right --count master...test-branch
For remote branches:
git rev-list --left-right --count origin/master...origin/test-branch
This gives outpu...
How to use JUnit to test asynchronous processes
... accepted answer. Testing goes beyond unit testing. The OP calls it out as more of an Integration Test than a Unit Test.
– Jeremiah Adams
Jun 19 '18 at 16:46
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Profiling Django
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Just type "django-profiling" on google, you'll get these links (and more):
http://code.djangoproject.com/wiki/ProfilingDjango
http://code.google.com/p/django-profiling/
http://www.rkblog.rk.edu.pl/w/p/django-profiling-hotshot-and-kcachegrind/
Personally I'm using the middleware approach -...
What's the difference between libev and libevent?
... programs to use both the libevent approach and the libev approach. Furthermore, libevent would sometimes expire timers early, depending on the backend. The former is an API issue, the latter is fixable (and might have been fixed since - I didn't check).
As for IOCP support - I don't think it can b...
Drop unused factor levels in a subsetted data frame
...df,function(x) if(is.factor(x)) factor(x) else x) ...Is drop.levels() much more efficient computationally or better with large data sets? (One would have to rewrite the line above in a for-loop for a huge data frame, I suppose.)
– hatmatrix
Jul 29 '09 at 17:09
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How can I close a buffer without closing the window?
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Git ignore sub folders
...files you don't tell it to - it ignores whatever matches the wildcards, no more, no less.
– Cascabel
Mar 30 '10 at 14:59
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Xcode Command /usr/bin/codesign failed with exit code 1 : errSecInternalComponent
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This should be the accepted answer. Much more sane than a reboot!
– yonix
Oct 28 '18 at 9:51
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