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@guilhermesgb
guilhermesgb / pagarme-cardhash-java-android.java
Last active September 19, 2017 22:38
Generating a PagarMe CardHash manually using Java / Android
import android.util.Base64;
import java.io.IOException;
import java.net.URLEncoder;
import java.security.InvalidKeyException;
import java.security.KeyFactory;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.X509EncodedKeySpec;
import javax.crypto.BadPaddingException;
@mattiaslundberg
mattiaslundberg / Ansible Let's Encrypt Nginx setup
Last active June 10, 2024 01:44
Let's Encrypt Nginx setup with Ansible
Ansible playbook to setup HTTPS using Let's encrypt on nginx.
The Ansible playbook installs everything needed to serve static files from a nginx server over HTTPS.
The server pass A rating on [SSL Labs](https://www.ssllabs.com/).
To use:
1. Install [Ansible](https://www.ansible.com/)
2. Setup an Ubuntu 16.04 server accessible over ssh
3. Create `/etc/ansible/hosts` according to template below and change example.com to your domain
4. Copy the rest of the files to an empty directory (`playbook.yml` in the root of that folder and the rest in the `templates` subfolder)
@fphilipe
fphilipe / exclude.sql
Last active September 14, 2024 13:46
PostgreSQL EXCLUDE constraint
CREATE EXTENSION btree_gist;
CREATE TABLE room_reservations (
room_id integer,
reserved_at timestamptz,
reserved_until timestamptz,
canceled boolean DEFAULT false,
EXCLUDE USING gist (
room_id WITH =, tstzrange(reserved_at, reserved_until) WITH &&
) WHERE (not canceled)
@kuraga
kuraga / oauth2_password.rb
Created May 15, 2015 11:39
Omniauth OAuth2 Password strategy
require 'oauth2'
require 'omniauth'
require 'securerandom'
require 'socket' # for SocketError
require 'timeout' # for Timeout::Error
require 'faraday' # for Faraday::Error::TimeoutError and Faraday::Error::ConnectionFailed
require 'multi_json' # for MultiJson::DecodeError
module OmniAuth
module Strategies
@chantastic
chantastic / on-jsx.markdown
Last active September 17, 2024 16:40
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

@ShPakvel
ShPakvel / general_helper.rb
Created October 15, 2014 18:14
Grape permitted_params helper. It works the same as Rails strong params. Only params defined in params block will remain.
module GeneralHelper
def permitted_params
@permitted_params ||= declared(params, include_missing: false)
end
end
@staltz
staltz / introrx.md
Last active September 20, 2024 10:10
The introduction to Reactive Programming you've been missing
@webinfinita
webinfinita / bootstrap-breakpoints.sass
Last active February 27, 2024 17:23
Variables for responsive design in bootstrap with sass
@mixin breakpoint($point)
@if $point == lg
@media (min-width: 1200px)
@content
@else if $point == md
@media (min-width: 992px) and (max-width: 1199px)
@content
@else if $point == sm
@bradmontgomery
bradmontgomery / install-comodo-ssl-cert-for-nginx.rst
Last active June 10, 2024 15:37
Steps to install a Comodo PositiveSSL certificate with Nginx.

Setting up a SSL Cert from Comodo

I use Namecheap.com as a registrar, and they resale SSL Certs from a number of other companies, including Comodo.

These are the steps I went through to set up an SSL cert.

Purchase the cert

@mankyKitty
mankyKitty / SolrQuerySyntaxPrimer.md
Last active July 12, 2024 12:29
The documentation around the basics of the Solr query syntax is terrible, this is an attempt to alleviate the doc-shock associated with trying to learn some fundamentals.

Solr Query Syntax Basics

This is a super basic beginners guide to Solr Lucene query syntax. We're going to cover running a straightforward query, as well as some of the more useful functionality such as filtering and creating facets. We'll point out some things you can't do and generally give you enough instruction so that you can get yourself into trouble.

For testing you need a REST client capable of sending requests to your Solr instance. Either RESTClient for Firefox or Postman for Chrome are good choices.

Misc

Request Specific Fields

To specify a list of fields to return instead of the default Solr response use fl and provide a comma delimited list of fields: