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How do I write a correct micro-benchmark in Java?
...test kernel all the way through, enough to trigger all initializations and compilations before timing phase(s). (Fewer iterations is OK on the warmup phase. The rule of thumb is several tens of thousands of inner loop iterations.)
Rule 2: Always run with -XX:+PrintCompilation, -verbose:gc, etc., so...
What is Erlang written in?
What is Ericsson's implementation of Erlang and Erlang/OTP written and compiled in? Is is assembly, C or Erlang itself?
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Can mustache iterate a top-level array?
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actually the template comes first: Mustache.render('<ul>{{#.}}<li>{{.}}</li>{{/.}}</ul>',['foo','bar','baz']);
– Kai Carver
May 4 '12 at 12:06
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Guava: Why is there no Lists.filter() function?
... whether that's Iterables.filter, Sets.filter etc. Since Iterables.filter combines easily with copyOf on any ImmutableCollection, I find this a good design trade-off (vs coming up with extra methods & names, like filteredCopy or whatnot, for combinations of simple utilities).
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Undo a merge by pull request?
... do you undo a pull request? I was just going to revert the changes to the commit just before the merge, but I noticed that it merged in a bunch of commits. So now there are all these commits from this person from days before the merge. How do you undo this?
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Generate a heatmap in MatPlotLib using a scatter data set
...those wanting to do a logarithmic colorbar see this question stackoverflow.com/questions/17201172/… and simply do from matplotlib.colors import LogNorm plt.imshow(heatmap, norm=LogNorm()) plt.colorbar()
– tommy.carstensen
Mar 16 '15 at 20:25
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Defining a function with multiple implicit arguments in Scala
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Add a new item to a dictionary in Python [duplicate]
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