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What is the runtime performance cost of a Docker container?
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An excellent 2014 IBM research paper “An Updated Performance Comparison of Virtual Machines and Linux Containers” by Felter et al. provides a comparison between bare metal, KVM, and Docker containers. The general result is: Docker is...
How to fix SSL certificate error when running Npm on Windows?
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answered May 20 '15 at 5:58
Alex TaylorAlex Taylor
6,72044 gold badges2020 silver badges3535 bronze badges
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Less aggressive compilation with CSS3 calc
...@someLength)
– 0b10011
Aug 7 '14 at 20:51
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Instead of less miscalculating this or throwing an e...
Moment JS - check if a date is today or in the future
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After reading the documentation: http://momentjs.com/docs/#/displaying/difference/, you have t...
How to convert UTF-8 byte[] to string?
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edited Feb 12 '15 at 20:19
James Webster
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answered Jun 16 ...
Fast way of counting non-zero bits in positive integer
...half again as much time).
On the other hand, gmpy popcount() took about 1/20th of the time of bin(n).count("1"). So if you can install gmpy, use that.
To answer a question in the comments, for bytes I'd use a lookup table. You can generate it at runtime:
counts = bytes(bin(x).count("1") for x in ...
Node.js create folder or use existing
...exists(Sync).
– Ricardo Pedroni
Jan 20 '15 at 20:17
@meawoppl, it is 'makedirectory'p. The 'p' is unknown.
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How to convert a PIL Image into a numpy array?
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answered Dec 21 '08 at 20:46
dF.dF.
64.2k2727 gold badges123123 silver badges134134 bronze badges
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endsWith in JavaScript
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UPDATE (Nov 24th, 2015):
This answer is originally posted in the year 2010 (SIX years back.) so please take note of these insightful comments:
Shauna - Update for Googlers - Looks like ECMA6 adds this function. The MDN article also shows a ...
Using the rJava package on Win7 64 bit with R
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Update (July 2018):
The latest CRAN version of rJava will find the jvm.dll automatically, without manually setting the PATH or JAVA_HOME. However note that:
To use rJava in 32-bit R, you need Java for Windows x86
To use rJava in 64-bit...