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Java List.contains(Object with field value equal to x)
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@EricJablow Perhaps you should comment on ALL of the answers that don't perform null checks, as opposed to just one (mine).
– Josh M
Sep 17 '13 at 20:53
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Download a working local copy of a webpage [closed]
I would like to download a local copy of a web page and get all of the css, images, javascript, etc.
1 Answer
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Access-Control-Allow-Origin Multiple Origin Domains?
Is there a way to allow multiple cross-domains using the Access-Control-Allow-Origin header?
31 Answers
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Quick way to create a list of values in C#?
...e looking to reduce clutter, consider
var lst = new List<string> { "foo", "bar" };
This uses two features of C# 3.0: type inference (the var keyword) and the collection initializer for lists.
Alternatively, if you can make do with an array, this is even shorter (by a small amount):
var ar...
delete a.x vs a.x = undefined
...ke a significant difference when the prototype chain is involved.
function Foo() {
this.x = 'instance';
}
Foo.prototype = {
x: 'prototype'
};
a = new Foo();
console.log(a.x); //'instance'
a.x = undefined;
console.log(a.x); //undefined
delete a.x;
console.log(a.x); //'prototype'
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What are namespaces?
...espacing does for functions and classes what scope does for variables. It allows you to use the same function or class name in different parts of the same program without causing a name collision.
In simple terms, think of a namespace as a person's surname. If there are two people named "John" yo...
Is it possible to create a multi-line string variable in a Makefile
...onment variable (NOT a make variable). For example:
export ANNOUNCE_BODY
all:
@echo "$$ANNOUNCE_BODY"
Note the use of $$ANNOUNCE_BODY, indicating a shell environment variable reference, rather than $(ANNOUNCE_BODY), which would be a regular make variable reference. Also be sure to use quote...
Cannot use ref or out parameter in lambda expressions
...e visible on the ref parameter itself. Both within the method and in the caller.
These are somewhat incompatible properties and are one of the reasons they are disallowed in lambda expressions.
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How are Anonymous inner classes used in Java?
...ct with certain "extras" such as overriding methods, without having to actually subclass a class.
I tend to use it as a shortcut for attaching an event listener:
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// do something
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Stubbing a class method with Sinon.js
...le to get the stub to work on an Ember class method like this:
sinon.stub(Foo.prototype.constructor, 'find').returns([foo, foo]);
expect(Foo.find()).to.have.length(2)
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