大约有 47,000 项符合查询结果(耗时:0.1013秒) [XML]
Get Character value from KeyCode in JavaScript… then trim
...nd to ASCII for all characters. The ASCII character for semicolon is 59. Same issue is true of every special character, keyCode does NOT return the right code for String.fromCharCode().
– Alexander Tsepkov
Feb 4 '17 at 9:06
...
What's the difference between using “let” and “var”?
...ce is scoping rules. Variables declared by var keyword are scoped to the immediate function body (hence the function scope) while let variables are scoped to the immediate enclosing block denoted by { } (hence the block scope).
function run() {
var foo = "Foo";
let bar = "Bar";
console.log(f...
Remove a JSON attribute [duplicate]
...nterchange whatever.x and whatever['x'] as long as x is a valid variable name, so even delete myObj['test'].key1 would work.
– Sinan Taifour
Aug 2 '09 at 20:21
2
...
Call method in directive controller from other controller
... is an interesting question, and I started thinking about how I would implement something like this.
I came up with this (fiddle);
Basically, instead of trying to call a directive from a controller, I created a module to house all the popdown logic:
var PopdownModule = angular.module('Popdown', ...
How should I choose an authentication library for CodeIgniter? [closed]
...and created a new auth library for CI based on DX Auth, following the recommendations and requirements below.
And the resulting Tank Auth is looking like the answer to the OP's question. I'm going to go out on a limb here and call Tank Auth the best authentication library for CodeIgniter available t...
What is the purpose of Rank2Types?
...
Do not functions in Haskell already support polymorphic arguments?
They do, but only of rank 1. This means that while you can write a function that takes different types of arguments without this extension, you can't write a function that uses its argument as different types in the ...
Why are side-effects modeled as monads in Haskell?
Could anyone give some pointers on why the impure computations in Haskell are modelled as monads?
8 Answers
...
Practical usage of setjmp and longjmp in C
Can anyone explain me where exactly setjmp() and longjmp() functions can be used practically in embedded programming? I know that these are for error handling. But I'd like to know some use cases.
...
How to REALLY show logs of renamed files with git?
.... You put content in a git repository because the content as a whole has a meaningful history.
A file rename is a small special case of "content" moving between paths. You might have a function that moves between files which a git user might trackdown with "pickaxe" functionalitly (e.g. log -S).
O...
What's the difference between Ruby's dup and clone methods?
...
Subclasses may override these methods to provide different semantics. In Object itself, there are two key differences.
First, clone copies the singleton class, while dup does not.
o = Object.new
def o.foo
42
end
o.dup.foo # raises NoMethodError
o.c...
