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indefinitelee / protips.js
Created March 29, 2017 03:41 — forked from nolanlawson/protips.js
Promise protips - stuff I wish I had known when I started with Promises
// Promise.all is good for executing many promises at once
Promise.all([
promise1,
promise2
]);
// Promise.resolve is good for wrapping synchronous code
Promise.resolve().then(function () {
if (somethingIsNotRight()) {
throw new Error("I will be rejected asynchronously!");
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indefinitelee / migrate_postgresql_database.md
Created February 18, 2017 04:44 — forked from olivierlacan/migrate_postgresql_database.md
How to migrate a Homebrew-installed PostgreSQL database to a new major version (9.3 to 9.4) on OS X

This guide assumes that you recently run brew upgrade postgresql and discovered to your dismay that you accidentally bumped from one major version to another: say 9.3.x to 9.4.x. Yes, that is a major version bump in PG land.

First let's check something.

brew info postgresql

The top of what gets printed as a result is the most important: