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Collecting material: For a number of topics that I may write about in the future, I have text files where I collect information as I come across it during coding, on the web, on Twitter, etc.
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Outline: The collected material is my starting point. I rearrange it into an outline which I refine until I’m happy with it. Refining includes adding/removing/rearranging items and doing more research when I notice gaps in my knowledge.
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Skeletal draft: I add bullet points and code examples until almost all of the content exists at least in skeletal form. This process often uncovers knowledge gaps and flaws in the structure of the content which I then can fix.
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#!/bin/bash | |
# Function to display usage information | |
usage() { | |
echo "Usage: $0 /path/to/input.mp4 [ /path/to/output_directory ]" | |
exit 1 | |
} | |
# Check if at least one argument (input file) is provided | |
if [ $# -lt 1 ]; then |
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# Stick this in your home directory and point your Global Git config at it by running: | |
# | |
# $ git config --global core.attributesfile ~/.gitattributes | |
# | |
# See https://tekin.co.uk/2020/10/better-git-diff-output-for-ruby-python-elixir-and-more for more details | |
*.c diff=cpp | |
*.h diff=cpp | |
*.c++ diff=cpp | |
*.h++ diff=cpp |
For MacOS Catalina, visit Install mysql2 on MacOS Catalina
Installing mysql2
gem errors on MacOS Mojave.
Make sure openssl
is installed on Mac via Homebrew.
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#! /usr/bin/env ruby | |
# usage: | |
# $ das_download.rb email password | |
# based on various gists from this thread https://gist.github.com/maca/1798070 | |
require "mechanize" | |
require "fileutils" | |
class DasDownloader | |
attr_reader :agent, :email, :password |
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;; without composition | |
(repeat 2 (apply * (map #(* 3 %) (map max [1 2] [4 5])))) | |
;; with composition | |
((comp (partial repeat 2) | |
(partial apply *) | |
(partial map (partial * 3))) | |
(map max [1 2] [4 5])) | |
;; with thread macro |
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# app/jobs/example_job.rb | |
class ExampleJob < ActiveJob::Base | |
queue_as :default | |
rescue_from(ActiveRecord::RecordNotFound) do | |
retry_job wait: 1.minute, queue: :default | |
end | |
def perform(param_1, param_2) |
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require 'active_record/log_subscriber' | |
class SlowQueryLog < ActiveSupport::LogSubscriber | |
if Rails.configuration.respond_to?(:slow_query_log_threshold_in_ms) | |
if @@threshold = Rails.configuration.slow_query_log_threshold_in_ms | |
@@threshold = @@threshold.to_i == 0 ? nil : @@threshold.to_i | |
end | |
else | |
@@threshold = nil |
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#$null_stream = $stdout | |
$null_stream = File.open(File::NULL, 'w') | |
require 'rspec' | |
def start_runner | |
RSpec::Core::Runner.run [], $null_stream, $null_stream | |
end | |
tp = TracePoint.new(:inline_cache_hit, :inline_cache_miss) do |x| | |
p x.event |
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