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@lencioni
lencioni / AsyncComponent.jsx
Created January 8, 2017 17:09
<AsyncComponent> at Airbnb used for Webpack code splitting
// Usage:
//
// function loader() {
// return new Promise((resolve) => {
// if (process.env.LAZY_LOAD) {
// require.ensure([], (require) => {
// resolve(require('./SomeComponent').default);
// });
// }
// });
@kdzwinel
kdzwinel / main.js
Last active June 7, 2024 08:08
List all undefined CSS classes
/*
This script attempts to identify all CSS classes mentioned in HTML but not defined in the stylesheets.
In order to use it, just run it in the DevTools console (or add it to DevTools Snippets and run it from there).
Note that this script requires browser to support `fetch` and some ES6 features (fat arrow, Promises, Array.from, Set). You can transpile it to ES5 here: https://babeljs.io/repl/ .
Known limitations:
- it won't be able to take into account some external stylesheets (if CORS isn't set up)
- it will produce false negatives for classes that are mentioned in the comments.
@chantastic
chantastic / on-jsx.markdown
Last active May 30, 2024 13:11
JSX, a year in

Hi Nicholas,

I saw you tweet about JSX yesterday. It seemed like the discussion devolved pretty quickly but I wanted to share our experience over the last year. I understand your concerns. I've made similar remarks about JSX. When we started using it Planning Center, I led the charge to write React without it. I don't imagine I'd have much to say that you haven't considered but, if it's helpful, here's a pattern that changed my opinion:

The idea that "React is the V in MVC" is disingenuous. It's a good pitch but, for many of us, it feels like in invitation to repeat our history of coupled views. In practice, React is the V and the C. Dan Abramov describes the division as Smart and Dumb Components. At our office, we call them stateless and container components (view-controllers if we're Flux). The idea is pretty simple: components can't

@AdamMagaluk
AdamMagaluk / test.js
Last active November 17, 2022 14:04
Node.js aes 128 ecb encryption issue
var key = new Buffer('E8E9EAEBEDEEEFF0F2F3F4F5F7F8F9FA','hex');
var text = '6743C3D1519AB4F2CD9A78AB09A511BD';
var decipher = crypto.createDecipheriv('AES-128-ECB',key,'');
//decipher.setAutoPadding(false); this makes it work?
var k1 = decipher.update(text,'hex','hex'); // Why is this ''???
var k2 = decipher.update(text,'hex','hex');
console.log("de k1:" + k1) // is equal to '' but should be 014baf2278a69d331d5180103643e99a
console.log("de k2:" + k2) // is equal to 014baf2278a69d331d5180103643e99a
@jareware
jareware / SCSS.md
Last active July 1, 2024 09:25
Advanced SCSS, or, 16 cool things you may not have known your stylesheets could do

⇐ back to the gist-blog at jrw.fi

Advanced SCSS

Or, 16 cool things you may not have known your stylesheets could do. I'd rather have kept it to a nice round number like 10, but they just kept coming. Sorry.

I've been using SCSS/SASS for most of my styling work since 2009, and I'm a huge fan of Compass (by the great @chriseppstein). It really helped many of us through the darkest cross-browser crap. Even though browsers are increasingly playing nice with CSS, another problem has become very topical: managing the complexity in stylesheets as our in-browser apps get larger and larger. SCSS is an indispensable tool for dealing with this.

This isn't an introduction to the language by a long shot; many things probably won't make sense unless you have some SCSS under your belt already. That said, if you're not yet comfy with the basics, check out the aweso

#sudo sysctl -w net.inet.ip.portrange.first=32768
sudo sysctl -w net.inet.ip.portrange.first=12000
sudo sysctl -w net.inet.tcp.msl=1000
sudo sysctl -w kern.maxfiles=1000000 kern.maxfilesperproc=1000000

Sass/Less Comparison

In this document I am using Sass's SCSS syntax. You can choose to use the indented syntax in sass, if you prefer it, it has no functional differences from the SCSS syntax.

For Less, I'm using the JavaScript version because this is what they suggest on the website. The ruby version may be different.

Variables