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How is attr_accessible used in Rails 4?
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Rory O'Kane
23.8k1111 gold badges8080 silver badges120120 bronze badges
answered Jun 28 '13 at 18:30
Pierre-Louis GottfroisPierre-Louis...
How can I tell Moq to return a Task?
...ethingAsync())
.Returns(Task.FromResult(someValue));
Update 2014-06-22
Moq 4.2 has two new extension methods to assist with this.
mock.Setup(arg=>arg.DoSomethingAsync())
.ReturnsAsync(someValue);
mock.Setup(arg=>arg.DoSomethingAsync())
.ThrowsAsync(new InvalidO...
What is Hindley-Milner?
...tion in ML, you can see the type parameter thus:
fun 'a length [] = 0
| 'a length (x::xs) = 1 + length xs
If a term has a Hindley-Milner type, then the principal type can be inferred without requiring any type declarations or other annotations by the programmer. (This is a mixed blessing...
django - query filter on manytomany is empty
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150
print TestModel.objects.filter(manytomany=None)
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Calling static generic methods
...e8/html/…
– Joanis
Nov 27 '14 at 20:07
3
A different way to specify the type of E would be to d...
How to extract epoch from LocalDate and LocalDateTime?
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edited Sep 30 '18 at 19:22
answered Apr 10 '14 at 15:36
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Rails.env vs RAILS_ENV
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edited Jan 6 '14 at 21:40
sameers
4,22722 gold badges2727 silver badges4141 bronze badges
answered Apr...
How to determine if a number is a prime with regex?
...lly, is there zero or one character-- or, per what I mentioned above, n == 0 || n == 1. If we have the match, then return the negation of that. This corresponds with the fact that zero and one are NOT prime.
(..+?)\\1+
The second part of the regex is a little trickier, relying on groups and backr...
How do you determine which backend is being used by matplotlib?
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answered Aug 26 '10 at 22:26
AndrewAndrew
10.5k22 gold badges2323 silver badges1818 bronze badges
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How can I add a help method to a shell script?
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here's an example for bash:
usage="$(basename "$0") [-h] [-s n] -- program to calculate the answer to life, the universe and everything
where:
-h show this help text
-s set the seed value (default: 42)"
seed=42
while getopts ':hs:' option; do
case "$option" i...
