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Ruby on Rails. How do I use the Active Record .build method in a :belongs to relationship?
...find any documentation on the .build method in Rails (i am currently using 2.0.2).
2 Answers
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method overloading vs optional parameter in C# 4.0 [duplicate]
...y you want a method foo to be be called/used like so, foo(), foo(1), foo(1,2), foo(1,2, "hello"). With method overloading you would implement the solution like this,
///Base foo method
public void DoFoo(int a, long b, string c)
{
//Do something
}
/// Foo with 2 params only
public void DoFoo(i...
Iterating Through a Dictionary in Swift
...fore the others. You can see this by adding a print statement to the loop. 25 is the 5th element of Square so largest would be set 5 times for the 5 elements in Square and then would stay at 25.
let interestingNumbers = [
"Prime": [2, 3, 5, 7, 11, 13],
"Fibonacci": [1, 1, 2, 3, 5, 8],
"...
Where do I find old versions of Android NDK? [closed]
...
192
Looks like you can construct the link to the NDK that you want and download it from dl.google.co...
Check if list is empty in C# [closed]
...
answered Sep 18 '13 at 8:22
Tim SchmelterTim Schmelter
397k5656 gold badges580580 silver badges827827 bronze badges
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How to create our own Listener interface in android?
...
202
Create a new file:
MyListener.java:
public interface MyListener {
// you can define any ...
Responsively change div size keeping aspect ratio [duplicate]
...line-block;
position: relative;
}
.wrapper:after {
padding-top: 56.25%;
/* 16:9 ratio */
display: block;
content: '';
}
.main {
position: absolute;
top: 0;
bottom: 0;
right: 0;
left: 0;
/* fill parent */
background-color: deepskyblue;
/* let's see it! */
...
When to use lambda, when to use Proc.new?
... Ruby breaks the much-vaunted Principle of Least Surprise:
def whowouldwin2
myproc = Proc.new {return "Freddy"}
myproc.call
# myproc gets called and returns "Freddy",
# but also returns control from whowhouldwin2!
# The line below *never* gets executed.
return "Jason"
end
whowoul...
Flags to enable thorough and verbose g++ warnings
...ast-align -Wcast-qual -Wctor-dtor-privacy -Wdisabled-optimization -Wformat=2 -Winit-self -Wlogical-op -Wmissing-declarations -Wmissing-include-dirs -Wnoexcept -Wold-style-cast -Woverloaded-virtual -Wredundant-decls -Wshadow -Wsign-conversion -Wsign-promo -Wstrict-null-sentinel -Wstrict-overflow=5 -W...