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How do I create an average from a Ruby array?

...y.new(10) { rand(0.5..2.0) } Benchmark.bm do |bm| bm.report { 1_000_000.times { array.reduce(:+).to_f / array.size } } bm.report { 1_000_000.times { array.sum / array.size.to_f } } bm.report { 1_000_000.times { array.sum.fdiv(array.size) } } bm.report { 1_000_000.times { array.inject(0.0) {...
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Java: Why is the Date constructor deprecated, and what do I use instead?

.... It's confusing and seems unnecessary when you just need a Date and not a timezone adjusted variable. – G_V Mar 6 '17 at 8:37 6 ...
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HTTP vs HTTPS performance

...are heavy on dynamic content tend to be impacted less by HTTPS because the time spent encrypting (SSL-overhead) is insignificant compared to content generation time. Servers that are heavy on serving a fairly small set of static pages that can easily be cached in memory suffer from a much higher ov...
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How to minify php page html output?

... This is a good function but be wary of it if you use PRE tags, sometimes newlines will be removed there. – fedmich Mar 3 '13 at 2:30 2 ...
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[SOLVED] Can't send payload > 23bytes(MTU setted to 128bytes) - #9 by ...

... don't know if what I'm doing is correct or better option. Thanks one more time carlo...
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Differences between distribute, distutils, setuptools and distutils2?

...ninja-build is present, scikit-build can compile large projects over three times faster than the alternatives. It should work well with pip. Official docs | Pypi page | GitHub repo | scikit-build section of Python Package User Guide distlib is a library that provides functionality that is used by...
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Java 8 Streams: multiple filters vs. complex condition

Sometimes you want to filter a Stream with more than one condition: 4 Answers 4 ...
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How to access the last value in a vector?

...mylastR=function(x) {x[length(x)} It's faster than mylast in Rcpp, but one time slower than writing x[length(x)] directly – Endle_Zhenbo Apr 18 '19 at 14:59 add a comment ...
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How do I get a UTC Timestamp in JavaScript?

...writing a web application, it makes sense to store (server side) all datetimes in the DB as UTC timestamps. 16 Answers ...
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Current time in microseconds in java

On a Unix system, is there a way to get a timestamp with microsecond level accuracy in Java? Something like C's gettimeofday function. ...