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Creating a jQuery object from a big HTML-string
...heerio = require('cheerio'),
$ = cheerio.load('<h2 class="title">Hello world</h2>');
$('h2.title').text('Hello there!');
$('h2').addClass('welcome');
$.html();
//=> <h2 class="title welcome">Hello there!</h2>
...
Insert a line break in mailto body
...ay also use \r with encodeURIComponent().
For example, this message:
hello\rthis answer is now well formated\rand it contains good knowleadge\rthat is why I am up voting
URI Encoded, results in:
hello%0Dthis%20answer%20is%20now%20well%20formated%0Dand%20it%20contains%20good%20knowleadge%0Dt...
Is there a template engine for Node.js? [closed]
...example form the documentation:
<html>
<head>
<% ctx.hello = "World"; %>
<title><%= "Hello " + ctx.hello %></title>
</head>
<body>
<h1><%? setTimeout(function () { res.print("Async Header"); res.finish(); }, 2000) %>&l...
How to get innerHTML of DOMNode?
...ven by the "first" id attribute:
$html = '<div id="first"><h1>Hello</h1></div><div id="second"><p>World!</p></div>';
$doc = new \DOMDocument();
$doc->loadHTML( $html );
$node = $doc->getElementById( 'first' );
if ( $node instanceof \DOMNode ) ...
Ruby, !! operator (a/k/a the double-bang) [duplicate]
...the boolean context, but returns the proper boolean value.
For example:
"hello" #-> this is a string; it is not in a boolean context
!"hello" #-> this is a string that is forced into a boolean
# context (true), and then negated (false)
!!"hello" #-> this is a string that i...
Parse large JSON file in Nodejs
...ample:
npm install JSONStream event-stream
data.json:
{
"greeting": "hello world"
}
hello.js:
var fs = require('fs'),
JSONStream = require('JSONStream'),
es = require('event-stream');
var getStream = function () {
var jsonData = 'data.json',
stream = fs.createReadStream...
Accessing dict_keys element by index in Python3
...st results in a list of all the keys:
>>> test = {'foo': 'bar', 'hello': 'world'}
>>> list(test)
['foo', 'hello']
>>> list(test)[0]
'foo'
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...
How can I declare and define multiple variables in one line using C++?
...#include <iostream>
#include <tuple>
int main ()
{
auto [hello, world] = std::make_tuple("Hello ", "world!");
std::cout << hello << world << std::endl;
return 0;
}
Demo
share
...
Is the practice of returning a C++ reference variable evil?
...leton instance;
return instance;
};
void printHello()
{
printf("Hello");
};
}
Usage:
Singleton& my_sing = Singleton::instance(); // Valid Singleton instance
my_sing.printHello(); // "Hello"
Operators
Standard library containers ...
How to pass optional arguments to a method in C++?
...1,4); // a = 1, b = 4
func(1); // a = 1, b = 0
std::string x = "Hello";
std::string y = "World";
func(x,y); // a = "Hello", b ="World"
func(x); // a = "Hello", b = ""
}
Note : The following are ill-formed
template <typename T>
void func(T a = T(), T b )
templa...