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Optimal number of threads per core

...work on one array but different ranges (two threads do not access the same index), so the results may differ if they've worked on different arrays. The 1.86 machine is a macbook air with an SSD. The other mac is an iMac with a normal HDD (I think it's 7200 rpm). The windows machine also has a 7200 ...
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instantiate a class from a variable in PHP?

...h of a class. MyClass.php namespace com\company\lib; class MyClass { } index.php namespace com\company\lib; //Works fine $i = new MyClass(); $cname = 'MyClass'; //Errors //$i = new $cname; //Works fine $cname = "com\\company\\lib\\".$cname; $i = new $cname; ...
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How to compare two colors for similarity/difference

... You can find the conversion formulas here: brucelindbloom.com/index.html?Equations.html – Guillermo Gutiérrez Nov 14 '13 at 19:36 4 ...
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IllegalArgumentException or NullPointerException for a null parameter? [closed]

...y, if a caller passes an out-of-range value in a parameter representing an index into a sequence, IndexOutOfBoundsException should be thrown rather than IllegalArgumentException." – Gili Dec 29 '10 at 20:15 ...
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Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?

...ruct in the Korn shell ² but fails for some values of a or b (like + or index) and does numeric comparison if a and b look like decimal integers. expr "x$a" '<' "x$b" works around both. ³ and also fails for some values of a or b like ! or (. ⁴ in bash 3.2 and above and provided compatibil...
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What does tree-ish mean in Git?

...fers to the merge state, and this concept applies only to blobs, since the index doesn't even contain directories. See: stackoverflow.com/a/25806452/895245 . So the question then comes down to: are all blob-ishes also tree-ishes? As far as I can tell yes: all man pages that use <tree-ish> acce...
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Lodash - difference between .extend() / .assign() and .merge()

...Mistic pointed out, Lodash treats arrays as objects where the keys are the index into the array. _.assign ([], ['a'], ['bb']) // => [ "bb" ] _.merge ([], ['a'], ['bb']) // => [ "bb" ] _.defaults ([], ['a'], ['bb']) // => [ "a" ] _.defaultsDeep([], ['a'], ['bb']) // => [ "...
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Finding local maxima/minima with Numpy in a 1D numpy array

...) legend() show() The +1 is important, because diff reduces the original index number. share | improve this answer | follow | ...
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Create SQL script that create database and tables

...nerate a single script that can recreate the full database including table/indexes & constraints/stored procedures/functions/users/etc. There are a multitude of options that you can configure to customise the output, but most of it is self explanatory. If you are happy with the default options,...
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How to do stateless (session-less) & cookie-less authentication?

...ore it in a database, its one SQL statement executed, and with the correct indexes, it should take very little time to execute, even with multiple simultaneous users. Load testing here would definitely help though. If I read the question correctly, this would be your encrypted token mechanism - alth...