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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
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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...
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...
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']) // => [ "...
Finding local maxima/minima with Numpy in a 1D numpy array
...)
legend()
show()
The +1 is important, because diff reduces the original index number.
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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,...
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...
How do I check if a list is empty?
...st check if the input is empty, and you're using other NumPy features like indexing or math operations, it's probably more efficient (and certainly more common) to force the input to be a NumPy array. There are a few nice functions for doing this quickly — most importantly numpy.asarray. This t...
Given a number, find the next higher number which has the exact same set of digits as the original n
...allest digit larger than x" is y. can we just swap x and y, then reverse x.index+1 -> end?
– Kent
Feb 21 '12 at 9:46
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