大约有 19,000 项符合查询结果(耗时:0.0276秒) [XML]
Optional Parameters with C++ Macros
...
Here's one way to do it. It uses the list of arguments twice, first to form the name of the helper macro, and then to pass the arguments to that helper macro. It uses a standard trick to count the number of arguments to a macro.
enum
{
plain = 0,
bold = 1,
italic = 2
};
void Print...
Monad in plain English? (For the OOP programmer with no FP background)
...a "bind" operation that takes a monadic value and a function that can transform the value, and returns a new monadic value. Bind is the key operation that defines the semantics of the monad. It lets us transform operations on the unamplified type into operations on the amplified type, that obeys the...
What are the use(s) for tags in Go?
...
A tag for a field allows you to attach meta-information to the field which can be acquired using reflection. Usually it is used to provide transformation info on how a struct field is encoded to or decoded from another format (or stored/retrieved from a database), but yo...
Test for existence of nested JavaScript object key
... function, using ES6 features and recursion (it's also in proper tail call form):
function checkNested(obj, level, ...rest) {
if (obj === undefined) return false
if (rest.length == 0 && obj.hasOwnProperty(level)) return true
return checkNested(obj[level], ...rest)
}
However, if you...
How to extend an existing JavaScript array with another array, without creating a new array
...ill be fine).
There's also some nice ECMAScript 6 sugar for this in the form of the spread operator:
const a = [1, 2, 3];
const b = [...a, 5, 4, 3];
(It also copies.)
share
|
improve this answ...
WatiN or Selenium? [closed]
... and Selenium . Which do you prefer for automated testing of ASP.NET web forms? Which of these products work better for you?
...
What's the difference between tilde(~) and caret(^) in package.json?
...
A more specific link form the above -> docs.npmjs.com/files/package.json#dependencies
– Toby
Jul 11 '18 at 12:38
1
...
Is a `=default` move constructor equivalent to a member-wise move constructor?
...tly-defaulted functions [dcl.fct.def.default]
A function definition of the form:
attribute-specifier-seqopt decl-specifier-seqopt declarator virt-specifier-seqopt = default ;
is called an explicitly-defaulted definition. A function that is explicitly defaulted shall
be a special member functi...
Is there any reason to use a synchronous XMLHttpRequest?
... of requests) occur before a user leaves a page, or before an action is performed - blocking other code execution (e.g., preventing back button) could possibly reduce errors/maintenance for a poorly designed system; that said, I've never seen it in the wild and stress that it should be avoided.
Libr...
What is the difference between MOV and LEA?
...he actual value at that address.
The purpose of LEA is to allow one to perform a non-trivial address calculation and store the result [for later usage]
LEA ax, [BP+SI+5] ; Compute address of value
MOV ax, [BP+SI+5] ; Load value at that address
Where there are just constants involved, MOV (throu...