fernandes
/ reset_offset.rb
Created
March 6, 2025 13:30
How to use Rdkafka (with Racecar) to reset a consumer offset
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| # Input | |
| consumer_klass_name = "YourAwesomeConsumer" | |
| offset = 0 | |
| # Runnnnnnnn | |
| consumer_klass = consumer_klass_name.constantize | |
| config_file = "config/racecar.rb" | |
| require Rails.root.join(config_file) | |
| Racecar.config.group_id_prefix | |
| Racecar.config.load_consumer_class(consumer_klass) |
fernandes
/ set_terminal_colors.sh
Created
January 14, 2025 00:53
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| #!/bin/sh | |
| # sh -c "$(curl -fsSL https://gist.githubusercontent.com/fernandes/9a538fe1d61366f31c4e6f035db1a3e9/raw/eba511687f56f19d94a79d6922c3a45cac0484fc/set_terminal_colors.sh)" | |
| color00="37/38/31" # Base 00 - Black | |
| color01="E4/62/66" # Base 08 - Red | |
| color02="AE/D7/B6" # Base 0B - Green | |
| color03="F9/AB/77" # Base 0A - Yellow | |
| color04="4D/8A/CB" # Base 0D - Blue | |
| color05="7E/7E/DD" # Base 0E - Magenta | |
| color06="93/DD/FB" # Base 0C - Cyan |
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| include: | |
| - "lib/**/*.rb" | |
| - "app/**/*.rb" | |
| - definitions.rb | |
| exclude: | |
| - spec/**/* | |
| - test/**/* | |
| - vendor/**/* | |
| - ".bundle/**/*" | |
| - fixtures/**/* |
fernandes
/ splasher.rb
Created
November 17, 2021 19:36
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| require "test_helper" | |
| class Splasher | |
| attr_reader :total, :range, :per, :mod, :unit, :unit_total, :start_at | |
| def initialize(total:, range:, unit: :hour, per: :hour, start_at: DateTime.now) | |
| @total = total | |
| @range = range | |
| @unit = unit | |
| @per = per |
fernandes
/ PKCS7_decrypt.cr
Created
August 31, 2021 12:55
How to decrypt a PKCS7 in Crystal using OpenSSL
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| # shard.yml | |
| # dependencies: | |
| # openssl_ext: | |
| # github: spider-gazelle/openssl_ext | |
| # version: ~> 2.0 | |
| require "openssl" | |
| require "openssl_ext" | |
| ciphertext = "-----BEGIN CERTIFICATE----- | |
| MIIBiQYJKoZIhvcNAQcDoIIBejCCAXYCAQAxggEhMIIBHQIBAD |
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| def sign_out | |
| visit ThatPageYouWant | |
| hover_el = el("@your-hover-element") | |
| # Calculate where we should move the mouse to on the page | |
| # here we are using the x coordinate + half of the width of the element to be hovered | |
| # and the same logic for the y position | |
| hover_el_rect = hover_el.rect |
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| require "active_record" | |
| require "sqlite3" | |
| ActiveRecord::Base.establish_connection( | |
| :adapter => 'sqlite3', | |
| :host => "localhost", | |
| :database => ':memory:' | |
| ) | |
| ActiveRecord::Schema.define do |
fernandes
/ Dockerfile
Last active
June 20, 2020 06:16
Docker multi stage build for Lucky Framework app
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| FROM crystallang/crystal:0.34.0-alpine-build AS build-env | |
| ARG LUCKY_ROOT=/app | |
| ARG DEV_PACKAGES="nodejs yarn" | |
| ENV LUCKY_ENV=production | |
| ENV NODE_ENV=production | |
| WORKDIR $LUCKY_ROOT | |
| # install packages | |
| RUN apk update \ |
fernandes
/ 00_shard.yml
Last active
November 21, 2021 22:00
[Crystal Lang] Lucky Framework + Shrine File Uploader
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| crystal: 0.34.0 | |
| dependencies: | |
| lucky: | |
| github: luckyframework/lucky | |
| version: ~> 0.21 | |
| shrine: | |
| github: jetrockets/shrine.cr | |
| version: ~> 0.8 |
fernandes
/ auto_test.rb
Created
February 21, 2020 13:32
Example for "Interface" and "Concrete" class in Ruby
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| require 'test_helper' | |
| # Add the `described_class` so it can be used in the AutoInterfaceTest | |
| class ActiveSupport::TestCase | |
| def described_class | |
| self.class.to_s.gsub(/Test$/, '').constantize | |
| end | |
| end | |
| # In the interface, the example Auto - Car is dummy, because it should be |
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