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Why can't C# interfaces contain fields?
...he runtime how to fill in all the required slots. When you say
interface IFoo { void M(); }
class Foo : IFoo { public void M() { ... } }
the class says "when you create an instance of me, stuff a reference to Foo.M in the slot for IFoo.M.
Then when you do a call:
IFoo ifoo = new Foo();
ifoo....
How to Correctly Use Lists in R?
.... Here's a simple example:
> library(hash)
> h <- hash( keys=c('foo','bar','baz'), values=1:3 )
> h[c('foo','bar')]
<hash> containing 2 key-value pairs.
bar : 2
foo : 1
In terms of usability, the hash class is very similar to a list. But the performance is better for large...
How can I keep Bootstrap popovers alive while being hovered?
... I am triggering it on mouseover of a button. I want to keep this popover alive while the popover itself is being hovered, but it disappears as soon as the user stops hovering over the button. How can I do this?
...
Is it possible to create a remote repo on GitHub from the CLI without opening browser?
...hub && ./script/build
Go to your repo or create empty one: mkdir foo && cd foo && git init.
Run: hub create, it'll ask you about GitHub credentials for the first time.
Usage: hub create [-p] [-d DESCRIPTION] [-h HOMEPAGE] [NAME]
Example: hub create -d Description -h examp...
How to add test coverage to a private constructor?
...tion, InvocationTargetException, InstantiationException {
Constructor<Foo> constructor = Foo.class.getDeclaredConstructor();
assertTrue(Modifier.isPrivate(constructor.getModifiers()));
constructor.setAccessible(true);
constructor.newInstance();
}
...
How do I use the lines of a file as arguments of a command?
Say, I have a file foo.txt specifying N arguments
10 Answers
10
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How to initialize all members of an array to the same value?
...designated initialisers. If you statically initialise 65536 ints, like int foo1 = 1, foo2 = 1, ..., foo65536 =1; you will get the same size increase.
– qrdl
Mar 29 '13 at 20:48
28
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When do I use fabs and when is it sufficient to use std::abs?
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What's the best mock framework for Java? [closed]
... class ExpecationsTest {
private MyClass obj;
@Test
public void testFoo() {
new Expectations(true) {
MyClass c;
{
obj = c;
invokeReturning(c.getFoo("foo", false), "bas");
}
};
assert "bas".equals(obj.getFoo("foo", false));
Expectations.asser...
How do you rename a MongoDB database?
...llection" is a namespace transformation, essentially your collection named foo within the bar database has a namespace of bar.foo. The index on _id thus has the namespace bar.foo._id_. Renaming the collection (should) perform a prefix search and replace on all namespaces it is aware of, similar to...