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Why do results vary based on curly brace placement?
...om my blog post about this (Javascript – almost not line based):
If you format the code like this:
function getAnswer() {
var answer = 42;
return
answer;
}
Then it is interpreted like this:
function getAnswer() {
var answer = 42;
return;
answer;
}
The return statement take...
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...
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...
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...
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...
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.)
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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
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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...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...yle="white-space:pre"> </span>'header'=> "Content-type: application/x-www-form-urlencoded\r\n" .
<span style="white-space:pre"> </span>"Content-Length: " . strlen($data) . "\r\n",
<span style="white-space:pre"> </span>'content' => $data
<span style="white-space:pre"> </span>)
);
//生成...