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What is meant by Scala's path-dependent types?
...al occupied = scala.collection.mutable.Set[Coordinate]()
}
val b1 = Board(20, 20)
val b2 = Board(30, 30)
val c1 = b1.Coordinate(15, 15)
val c2 = b2.Coordinate(25, 25)
b1.occupied += c1
b2.occupied += c2
// Next line doesn't compile
b1.occupied += c2
So, the type of Coordinate is dependent on the ...
WPF ToolBar: how to remove grip and overflow
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answered Jun 26 '09 at 20:57
rmoorermoore
14.2k44 gold badges5656 silver badges5959 bronze badges
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How to call a JavaScript function from PHP?
...mthing
– Zeeshan Rang
Jun 25 '09 at 20:09
10
This guy just made everything I've been doing up unt...
TimePicker Dialog from clicking EditText
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answered Jul 27 '13 at 20:13
RobadobRobadob
4,98922 gold badges2020 silver badges3030 bronze badges
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Add a background image to shape in XML Android
...
202
I used the following for a drawable image with a circular background.
<?xml version="1.0" ...
Django connection to PostgreSQL: “Peer authentication failed”
...he tip.
– Marco Sulla
Nov 25 '13 at 20:03
1
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Split a module across several files
... some types from sub-modules are re-exported for use in std::io.
Edit (2019-08-25): the following part of the answer was written quite some time ago. It explains how to setup such a module structure with rustc alone. Today, one would usually use Cargo for most use cases. While the following is s...
Is optimisation level -O3 dangerous in g++?
...s of the code that takes more execution time and that alone can give up to 20% more speed.
– CoffeDeveloper
Apr 5 '15 at 15:45
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Is there a performance gain in using single quotes vs double quotes in ruby?
...
$ 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...
Eager load polymorphic
...
209
My guess is that your models look like this:
class User < ActiveRecord::Base
has_many :r...