dannydb

rpage = open(remote_full_url,
	"User-Agent" => "Mozilla/5.0 (...) Firefox/3.0.6").read

rppowell-lasfs

javascript:(function(){
  var buttons = document.querySelectorAll('#menu ytd-toggle-button-renderer button.style-scope.yt-icon-button');
  var likes = buttons[0].attributes["aria-label"].nodeValue;
  var dislikes = buttons[1].attributes["aria-label"].nodeValue;
  var regex = /[\d,.]+/;
  likes = likes.match(regex);
  dislikes = dislikes.match(regex);
  alert("Likes: " + likes + "\nDislikes: " + dislikes);
})();

AkatQuas

Depth in Event Loop

For those JavaScript programmers, event loop is an important concept, inevitably.

Literally, event loop is what JavaScritp uses to implement non-blocking execution. Understanding how the event loops works internally would benefit you a lot when programming in JavaScript.

There are two major environments JavaScript runs in: browser and Node.js.

Browser

serg0x

/* Shadow 0dp */
box-shadow: none;

/* Shadow 1dp */
box-shadow: 0 1px 1px 0 rgba(0,0,0,0.14), 0 2px 1px -1px rgba(0,0,0,0.12), 0 1px 3px 0 rgba(0,0,0,0.20);

/* Shadow 2dp */
box-shadow: 0 2px 2px 0 rgba(0,0,0,0.14), 0 3px 1px -2px rgba(0,0,0,0.12), 0 1px 5px 0 rgba(0,0,0,0.20);

/* Shadow 3dp */

sagirk

1. Carefully do the official [tutorial][].
2. Read the official guide to [main concepts][].
3. Read the official [advanced guides][].
4. Watch [building React from scratch][] to get an idea of how React actually works (this covers the "stack" reconciler which was used in React 15 and earlier).
5. Go through the [React "fiber" architecture][] which is the default reconciler since React 16.
6. Go crazy, build your own projects, and stop doing React tutorials!

sagarmainkar

simov

Run node scripts using nvm and crontab without hardcoding the node version

cronjob.env.sh

#!/bin/bash

# NVM needs the ability to modify your current shell session's env vars,
# which is why it's a sourced function

ankurk91

Github : Signing commits using GPG (Ubuntu/Mac) 🔐

• Do you have an Github account ? If not create one.
• Install required tools
• Latest Git Client
• gpg tools

# Ubuntu
sudo apt-get install gpa seahorse
# MacOS with https://brew.sh/

andreybolonin

Libuv and libev, two I/O libraries with similar names, recently had the privilege to use both libraries to write something. Now let's talk about my own subjective expression of common and different points.

The topic of high-performance network programming has been discussed. Asynchronous, asynchronous, or asynchronous. Whether it is epoll or kqueue, it is always indispensable to the asynchronous topic.

Libuv is asynchronous, and libev is synchronous multiplexing IO multiplexing.

Libev is a simple encapsulation of system I/O reuse. Basically, it solves the problem of different APIs between epoll and kqueuq. Ensure that programs written using livev's API can run on most *nix platforms. However, the disadvantages of libev are also obvious. Because it basically just encapsulates the Event Library, it is inconvenient to use. For example, accept(3) requires manual setnonblocking after connection. EAGAIN, EWOULDBLOCK, and EINTER need to be detected when reading from a socket. This is a

atenni

Problem: When linking to the raw version of a gist, the link changes with each revision.

Solution:

To return the first file from a gist: https://gist.github.com/[gist_user]/[gist_id]/raw/

• Example: https://gist.github.com/atenni/5604522/raw/
• Works even when you change the filename.

To get a file from multi–file gist: https://gist.github.com/[gist_user]/[gist_id]/raw/[file_name]