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@Rich-Harris
Rich-Harris / what-is-svelte.md
Last active March 3, 2026 06:56
The truth about Svelte

I've been deceiving you all. I had you believe that Svelte was a UI framework — unlike React and Vue etc, because it shifts work out of the client and into the compiler, but a framework nonetheless.

But that's not exactly accurate. In my defense, I didn't realise it myself until very recently. But with Svelte 3 around the corner, it's time to come clean about what Svelte really is.

Svelte is a language.

Specifically, Svelte is an attempt to answer a question that many people have asked, and a few have answered: what would it look like if we had a language for describing reactive user interfaces?

A few projects that have answered this question:

@teppeis
teppeis / csp-github.txt
Created February 3, 2017 11:02
CSP Header of GitHub (2017-02-03)
Content-Security-Policy:
default-src 'none';
base-uri 'self';
block-all-mixed-content;
child-src render.githubusercontent.com;
connect-src 'self' uploads.github.com status.github.com collector.githubapp.com api.github.com www.google-analytics.com github-cloud.s3.amazonaws.com wss://live.github.com;
font-src assets-cdn.github.com;
form-action 'self' github.com gist.github.com;
frame-ancestors 'none';
img-src 'self' data: assets-cdn.github.com identicons.github.com collector.githubapp.com github-cloud.s3.amazonaws.com *.githubusercontent.com;
@jasongilman
jasongilman / atom_clojure_setup.md
Last active October 28, 2025 22:34
This describes how I setup Atom for Clojure Development.

Atom Clojure Setup

This describes how I setup Atom for an ideal Clojure development workflow. This fixes indentation on newlines, handles parentheses, etc. The keybinding settings for enter (in keymap.cson) are important to get proper newlines with indentation at the right level. There are other helpers in init.coffee and keymap.cson that are useful for cutting, copying, pasting, deleting, and indenting Lisp expressions.

Install Atom

Download Atom

The Atom documentation is excellent. It's highly worth reading the flight manual.

@odersky
odersky / A simpler way to returning the "current" type in Scala.
Last active April 5, 2024 13:34
A simpler way to returning the "current" type in Scala.
/** This is in reference to @tploecat's blog http://tpolecat.github.io/2015/04/29/f-bounds.html
* where he compares F-bounded polymorphism and type classes for implementing "MyType".
*
* Curiously, the in my mind obvious solution is missing: Use abstract types.
*
* A lot of this material, including an argument against F-bounded for the use-case
* is discussed in:
*
* Kim B. Bruce, Martin Odersky, Philip Wadler:
* A Statically Safe Alternative to Virtual Types. ECOOP 1998: 523-549
@jamesgpearce
jamesgpearce / dimoc.md
Last active September 22, 2017 23:34
DIMOC: Do It Myself or Callback - a simple pattern for React components

TLDR: a React component should either manage its own state, or expose a callback so that its parent can. But never both.

Sometimes our first impulse is for a component to entirely manage its own state. Consider this simple theater seating picker that has a letter for a row, and a number for a seat. Clicking the buttons to increment each value is hardly the height of user-interface design, but never mind - that's how it works:

/* @flow */
var React = require('react');

var Letter: React.ReactClass = React.createClass({
  getInitialState: function(): any {
@arturmkrtchyan
arturmkrtchyan / ObjectHeader32.txt
Last active October 7, 2024 03:11
Java Object Header
|----------------------------------------------------------------------------------------|--------------------|
| Object Header (64 bits) | State |
|-------------------------------------------------------|--------------------------------|--------------------|
| Mark Word (32 bits) | Klass Word (32 bits) | |
|-------------------------------------------------------|--------------------------------|--------------------|
| identity_hashcode:25 | age:4 | biased_lock:1 | lock:2 | OOP to metadata object | Normal |
|-------------------------------------------------------|--------------------------------|--------------------|
| thread:23 | epoch:2 | age:4 | biased_lock:1 | lock:2 | OOP to metadata object | Biased |
|-------------------------------------------------------|--------------------------------|--------------------|
|
@torgeir
torgeir / #1 - Scala macros tutorial.md
Last active July 6, 2019 08:49
A quick howto on getting started with scala macros (from the scala macros paradise branch, using sbt and sbt gen-idea)

Scala macros tutorial, using sbt

The following steps executed in order will;

  • create the project file structure
  • set the sbt version
  • add the gen-idea sbt plugin (if you want to import your project into intellij)
  • create an sbt build, that builds the macros project prior to the macrostest project (so the regex macro is usable in the macrostest project)
  • create the macros project scala file
  • create the macrostest project scala file
@letmaik
letmaik / .travis.yml
Last active September 12, 2024 10:41
Deploy snapshots to Sonatype after Travis CI build
language: java
env:
global:
- SONATYPE_USERNAME=yourusername
- secure: "your encrypted SONATYPE_PASSWORD=pass"
after_success:
- python addServer.py
- mvn clean deploy --settings ~/.m2/mySettings.xml
@earldouglas
earldouglas / RemoteAkka.scala
Created March 20, 2011 02:26
Remotely load and register Akka Actor classes at runtime (see https://github.com/JamesEarlDouglas/akka-remote-class-loading)
package com.earldouglas.remoteakka
import akka.actor.Actor
import akka.actor.Actor._
case object Greeting
case class Jar(val bytes: Array[Byte])
case class RegisterRemote(val name: String, val className: String)
object Runner {