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Lambda capture as const reference?
...t;(best_string)](const string& s)
{
best_string = s; // fails
};
DEMO
In c++17 using std::as_const:
[&best_string = std::as_const(best_string)](const string& s)
{
best_string = s; // fails
};
DEMO 2
...
Vertically centering a div inside another div [duplicate]
...%;
transform: translate(-50%,-50%);
width: 200px;
height: 200px;
}
Demo
♥ my favourite modern solution (flexbox)
I started to use flexbox more and more its also well supported now Its by far the easiest way.
CSS
.cn {
display: flex;
justify-content: center;
align-items: center...
Chrome desktop notification example [closed]
...ion API may no longer be requested from a cross-origin iframe, so we can't demo this using StackOverflow's code snippets. You'll need to save this example in an HTML file on your site/application, and make sure to use localhost:// or HTTPS.
// request permission on page load
document.addEventL...
CSS to line break before/after a particular `inline-block` item
...Unfortunately, it does not work if the LI elements are inline-block:
Live demo: http://jsfiddle.net/dWkdp/
Or the cliff notes version:
li {
display: inline;
}
li:nth-child(3):after {
content: "\A";
white-space: pre;
}
...
Keep overflow div scrolled to bottom unless user scrolls up
...
$('#yourDiv').scrollTop($('#yourDiv')[0].scrollHeight);
Live demo: http://jsfiddle.net/KGfG2/
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How to make links in a TextView clickable?
...
Buried in the API demos I found the solution to my problem:
Link.java:
// text2 has links specified by putting <a> tags in the string
// resource. By default these links will appear but not
// respond to user input. To ma...
CSS: transition opacity on mouse-out?
...
.item:hover {
zoom: 1;
filter: alpha(opacity=50);
opacity: 0.5;
}
Demo: http://jsfiddle.net/7uR8z/6/
If you don't want the transition to affect the mouse-over event, but only mouse-out, you can turn transitions off for the :hover state :
.item:hover {
-webkit-transition: none;
-moz-tr...
Count rows with not empty value
...at I've enumerated in this test sheet:
Google Spreadsheet - CountA Test - Demo
For why CountA works the wonky way it does, see my answer here
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Align two inline-blocks left and right on same line
...r {
display:grid;
grid-template-columns: 1fr auto;
}
Demo
Bootstrap 4. Align right:
<div class="row">
<div class="col">left</div>
<div class="col">
<div class="float-right">element needs to be right aligned</div>
...
How to set cookie in node js using express framework?
...es.cookie('cookieName', 'cookieValue')
Read Cookie?
req.cookies
Demo
const express('express')
, cookieParser = require('cookie-parser'); // in order to read cookie sent from client
app.get('/', (req,res)=>{
// read cookies
console.log(req.cookies)
let options = {
...