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Convert two lists into a dictionary
...to be less performant, and certainly not more-so.
Performance review:
In 64 bit Python 3.8.2 provided by Nix, on Ubuntu 16.04, ordered from fastest to slowest:
>>> min(timeit.repeat(lambda: dict(zip(keys, values))))
0.6695233230129816
>>> min(timeit.repeat(lambda: {k: v for k, v...
Access denied for user 'root'@'localhost' while attempting to grant privileges. How do I grant privi
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64
This might happen when you attempt to grant all privileges on all tables to another user, becau...
Unique (non-repeating) random numbers in O(1)?
...radix 10, width 3.
Block ciphers normally have a fixed block size of e.g. 64 or 128 bits. But Format-Preserving Encryption allows you to take a standard cipher like AES and make a smaller-width cipher, of whatever radix and width you want, with an algorithm which is still cryptographically robust.
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Disable browser 'Save Password' functionality
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Windows Firefox 57.0.2 (64-bit) is still suggesting to save password after I implemented this.
– Panu Haaramo
Dec 19 '17 at 8:35
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PostgreSQL: Which Datatype should be used for Currency?
...st not recommended, e.g.: here: postgresql.nabble.com/Money-type-todos-td1964190.html#a1964192 plus to be fair: the manual for version 8.2 did call it deprecated: postgresql.org/docs/8.2/static/datatype-money.html
– a_horse_with_no_name
Jan 13 '15 at 19:22
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Is there a performance gain in using single quotes vs double quotes in ruby?
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$ ruby -v
ruby 1.9.3p0 (2011-10-30 revision 33570) [x86_64-darwin11.0.0]
$ cat benchmark_quotes.rb
# As of Ruby 1.9 Benchmark must be required
require 'benchmark'
n = 1000000
Benchmark.bm(15) do |x|
x.report("assign single") { n.times do; c = 'a string'; end}
x.report("assig...
How to reverse a singly linked list using only two pointers?
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…and a new 64-bit compatibility issue is born, if you're not careful. You're unlikely to buy any performance this way either.
– LnxPrgr3
Nov 26 '09 at 5:26
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Does Python have a package/module management system?
.... Npm makes publishing packages as easy as installing them, it already has 64k packages. RubyGems lists 72k packages. The venerable Python package index lists only 41k.
History
Flying in the face of its "batteries included" motto, Python shipped without a package manager until 2014.
Until Pip, t...
What is the difference between instanceof and Class.isAssignableFrom(…)?
...Rosenfield
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Is there a way to access an iteration-counter in Java's for-each loop?
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64
There is another way.
Given that you write your own Index class and a static method that retur...