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Float vs Decimal in ActiveRecord
...
irb:001:0> "%.47f" % (1.0/10)
=> "0.10000000000000000555111512312578270211815834045" # not "0.1"!
whereas if you just do
irb:002:0> (1.0/10).to_s
=> "0.1" # the interprer rounds the number for you
So if you are dealing with small fractions, like compounding interests, or maybe even...
ElasticSearch - Return Unique Values
...
bradvidobradvido
2,41366 gold badges2727 silver badges4343 bronze badges
2
...
Django: “projects” vs “apps”
... an example: stackoverflow.com/a/59739912/399435
– k427h1c
Apr 16 at 3:43
@KarthicRaghupathi, Thanks.. :) nice to se...
Which parts of Real World Haskell are now obsolete or considered bad practice?
...changes (?) concerning ST, the result cannot be compiled anymore.
Chapter 27. Network programming
It's still mostly up to date. After all, network programming doesn't change so easily. However, the code uses deprecated functions bindSocket and sClose, which should be replaced by bind and close (pr...
How can I tell Rails to use RSpec instead of test-unit when creating a new Rails app?
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In OS X Lion, LANG is not set to UTF-8, how to fix it?
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Difference between await and ContinueWith
...
Jon SkeetJon Skeet
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...
Shuffle two list at once with same order
...ond argument, it uses the function random.random(). You can see it at line 277 here.)
This example illustrates what I described:
import random
a = ['a', 'b', 'c', 'd', 'e']
b = [1, 2, 3, 4, 5]
r = random.random() # randomly generating a real in [0,1)
random.shuffle(a, lambda : r) # ...
C++ error: undefined reference to 'clock_gettime' and 'clock_settime'
...
Pavel
3,90277 gold badges4040 silver badges6666 bronze badges
answered Sep 18 '15 at 10:05
P.PP.P
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Why main does not return 0 here?
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