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@giannisp
giannisp / gist:ebaca117ac9e44231421f04e7796d5ca
Last active July 14, 2024 18:27
Upgrade PostgreSQL 9.6.5 to 10.0 using Homebrew (macOS)
After automatically updating Postgres to 10.0 via Homebrew, the pg_ctl start command didn't work.
The error was "The data directory was initialized by PostgreSQL version 9.6, which is not compatible with this version 10.0."
Database files have to be updated before starting the server, here are the steps that had to be followed:
# need to have both 9.6.x and latest 10.0 installed, and keep 10.0 as default
brew unlink postgresql
brew install postgresql@9.6
brew unlink postgresql@9.6
brew link postgresql
@adham90
adham90 / spacemacs-keybindings
Last active July 25, 2024 23:55
spacemacs keybindings that i need to learn
SPC s c remove highlight
**** Files manipulations key bindings
Files manipulation commands (start with ~f~):
| Key Binding | Description |
|-------------+----------------------------------------------------------------|
| ~SPC f c~ | copy current file to a different location |
| ~SPC f C d~ | convert file from unix to dos encoding |
| ~SPC f C u~ | convert file from dos to unix encoding |

This is unmaintained, please visit Ben-PH/spacemacs-cheatsheet

Useful Spacemacs commands

  • SPC q q - quit
  • SPC w / - split window vertically
  • SPC w - - split window horizontally
  • SPC 1 - switch to window 1
  • SPC 2 - switch to window 2
  • SPC w c - delete current window
@peterwells
peterwells / aws.rb
Last active August 17, 2023 18:11
This Gist shows how I was able to implement AWS assume role functionality within my application using the Ruby AWS SDK, Fog, and Carrierwave. Currently Fog has no concept of one role assuming another. They do, however, have an existing mechanism for re-negotiating soon-to-expire credentials. By monkey-patching this function, we can leverage the …
#resides in app/models/connectors/
class Connectors::Aws
attr_reader :aws_access_key_id, :aws_secret_access_key, :aws_security_token, :expires_at
def initialize
if ENV.has_key?('AWS_SECURITY_TOKEN') #localhost
@aws_access_key_id = ENV['AWS_ACCESS_KEY_ID']
@aws_secret_access_key = ENV['AWS_SECRET_ACCESS_KEY']
@aws_security_token = ENV['AWS_SECURITY_TOKEN']
@expires_at = Time.now + 10.hours
@matthewmueller
matthewmueller / osx-for-hackers.sh
Last active April 21, 2024 03:30
OSX for Hackers (Mavericks/Yosemite)
# OSX for Hackers (Mavericks/Yosemite)
#
# Source: https://gist.github.com/brandonb927/3195465
#!/bin/sh
# Some things taken from here
# https://github.com/mathiasbynens/dotfiles/blob/master/.osx
# Ask for the administrator password upfront
@dypsilon
dypsilon / frontendDevlopmentBookmarks.md
Last active July 7, 2024 19:32
A badass list of frontend development resources I collected over time.
@agnoster
agnoster / README.md
Last active July 13, 2024 19:26
My ZSH Theme

agnoster.zsh-theme

A ZSH theme optimized for people who use:

  • Solarized
  • Git
  • Unicode-compatible fonts and terminals (I use iTerm2 + Menlo)

For Mac users, I highly recommend iTerm 2 + Solarized Dark

@MicahElliott
MicahElliott / rbenv-howto.md
Created April 17, 2012 18:11
Setting up and installing rbenv, ruby-build, rubies, rbenv-gemset, and bundler

Setting up and installing rbenv, ruby-build, rubies, rbenv-gemset, and bundler

This guide enables you to install (ruby-build) and use (rbenv) multiple versions of ruby, isolate project gems (gemsets and/or bundler), and automatically use appropriate combinations of rubies and gems.

TL;DR Demo

# Ensure system is in ship-shape.

aptitude install git zsh libssl-dev zlib1g-dev libreadline-dev libyaml-dev

document.body.addEventListener('error', function(event) {
if ( event.target.nodeName.toLowerCase() == 'img' ) {
// an image on the page failed to load
}
}, true);
@efedorenko
efedorenko / gist:2028193
Created March 13, 2012 11:22
Function for alpha blending
// Turns out this function already exists in Sass: mix(fg, bg, %) (http://d.pr/mGqa)
// Alpha blending
@function blend($bg, $fg) {
$r: red($fg) * alpha($fg) + red($bg) * (1 - alpha($fg));
$g: green($fg) * alpha($fg) + green($bg) * (1 - alpha($fg));
$b: blue($fg) * alpha($fg) + blue($bg) * (1 - alpha($fg));