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Javascript reduce() on Object
...}
}
const total = Object.values(add).reduce((t, {value}) => t + value, 0)
console.log(total) // 6
or simply:
const add = {
a: 1,
b: 2,
c: 3
}
const total = Object.values(add).reduce((t, n) => t + n)
console.log(total) // 6
...
Get the IP address of the machine
...
104
I found the ioctl solution problematic on os x (which is POSIX compliant so should be similiar ...
Leaflet - How to find existing markers, and delete markers?
...
20
Should be a way to collect all of the layers used by Leaflet. :/
– jackyalcine
Aug 1 '12 at 21:39
...
AngularJS For Loop with Numbers & Ranges
...turn function(input, total) {
total = parseInt(total);
for (var i=0; i<total; i++) {
input.push(i);
}
return input;
};
});
With the repeat used like this:
<div ng-repeat="n in [] | range:100">
do something
</div>
...
UITableView set to static cells. Is it possible to hide some of the cells programmatically?
...
You are looking for this solution :
StaticDataTableViewController 2.0
https://github.com/xelvenone/StaticDataTableViewController
which can show/hide/reload any static cell(s) with or without animation!
[self cell:self.outletToMyStaticCell1 setHidden:hide];
[self cell:self.outletToMyStatic...
How to resume Fragment from BackStack if exists
...;
boolean fragmentPopped = manager.popBackStackImmediate (backStateName, 0);
if (!fragmentPopped){ //fragment not in back stack, create it.
FragmentTransaction ft = manager.beginTransaction();
ft.replace(R.id.content_frame, fragment);
ft.addToBackStack(backStateName);
ft.commit(...
In Vim, how do I delete everything within the double quotes?
...
answered Jan 6 '11 at 20:37
Herbert SitzHerbert Sitz
20k88 gold badges4444 silver badges5151 bronze badges
...
How do I connect to this localhost from another computer on the same network?
...ations/MAMP/htdocs/Symfony/ as the root of my website.
<VirtualHost *:80>
DocumentRoot "/Applications/MAMP/htdocs/Symfony/"
ServerName symfony.local
</VirtualHost>
2 Configure your hosts file:
For the client (your browser in that case) to understand what symfony.local reall...
Set opacity of background image without affecting child elements
...
You can use CSS linear-gradient() with rgba().
div {
width: 300px;
height: 200px;
background: linear-gradient(rgba(255,255,255,.5), rgba(255,255,255,.5)), url("https://i.imgur.com/xnh5x47.jpg");
}
span {
background: black;
color: white;
}
<div><span>Hello wo...
Converting BigDecimal to Integer
...il Bourque
186k5757 gold badges571571 silver badges804804 bronze badges
answered Oct 28 '10 at 14:01
willcodejavaforfoodwillcodejavaforfood
...