Deepak Kannan deepak

## rakefile_extract_fixtures.rb
# Add your own tasks in files placed in lib/tasks ending in .rake,
# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.

require(File.join(File.dirname(__FILE__), 'config', 'boot'))

require 'rake'
require 'rake/testtask'
require 'rake/rdoctask'

require 'tasks/rails'

## how-typescript-won.md

      
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                deepak
                / how-typescript-won.md
            
            
              Created
              January 30, 2024 09:44
            
              
                How/Why did TypeScript beat Flow
              
          
    How/Why did TypeScript beat Flow?

https://twitter.com/ryanflorence/status/1751996988525064343
How/Why did TypeScript beat Flow?

I never tried flow and was kinda bullied into TS late, so I wasn’t around to experience how it happened.

9:23 PM · Jan 29, 2024


## logging.rb
#!/usr/bin/env ruby

# NOTE: does not make sense to measure for large iterations, only as
# much as the logging being done on rails request, it is not as if on
# on a request 10K logging is done. With 50 logging statements i would
# prefer syslog
# NOTE: Also in buffered and syslog the
# log can get lost but logger is more reliable

# TODO: measure IO perf, if syslog logs on remote the io cost will be

## gist:5933685
# DOCKER-VERSION 0.4.8

FROM ubuntu:12.04

# install essentials
RUN apt-get install -y -q git

# Install rbenv
RUN git clone https://github.com/sstephenson/rbenv.git /usr/local/rbenv
RUN echo '# rbenv setup' > /etc/profile.d/rbenv.sh

## get all constants in a rails project.rb
require 'pp'

Dir["#{RAILS_ROOT}/app/models/*.rb"].each { |model_path| require model_path  }

models = Module.constants.select do |constant_name|
  begin
    constant = eval constant_name.to_s
    next if constant.nil?
    match = (constant < ActiveRecord::Base) rescue nil
    if match

## install-mit-schema-for-SICP.md

      
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                deepak
                / install-mit-schema-for-SICP.md
            
            
              Last active
              May 10, 2021 19:51
            
              
                installing MIT-scheme for doing SICP
              
          
    installing MIT Schema

The SICP page recommends MIT scheme,

so that is what we will use
to install it, on Apple OSX using Homebrew:
  brew tap x11
  brew cask install xquartz

  
## wget-list.sh
#!/bin/sh
# wget-list: manage the list of downloaded files

# invoke wget-list without arguments

# http://www.linux.com/feature/59457
# http://ubuntuforums.org/showthread.php?t=672074
# http://www.lifehack.org/articles/lifehack/make-your-idle-computer-work-for-you.html
# http://decafbad.net/projects/scripts
# http://www.google.co.in/search?q=wget+queue&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a

## Dockerfile
# DOCKER-VERSION 0.4.8

# am facing issue
# https://github.com/dotcloud/docker/issues/1123

FROM ubuntu:12.04

MAINTAINER Deepak Kannan "deepak@codemancers.com"

RUN apt-get -y install python-software-properties

## ruby_thread_parent.rb
T0 = Thread.main

t1 = Thread.new(Thread.current) { |x| Thread.current[:parent] = x; sleep 1_00_000; }
t2 = Thread.new(Thread.current) { |x| Thread.current[:parent] = x; sleep 1_00_000; }

(t1[:parent] == t2[:parent]) && (t1[:parent] == T0)

__END__

# to find out the parent of a thread, ie. was spawned by which thread

## ruby_ping.rb
# let us say you want to check if a host is reachable
# sometimes you need to be behind a private VPN or the host is just down
# and you want to do this on your local-machine and on Heroku

# can open your terminal and use ping on your local

# And can get a bash shell on Heroku as well - by `heroku run bash`
# but there is no `ping` binary there

#  ```bash
	# Add your own tasks in files placed in lib/tasks ending in .rake,
	# for example lib/tasks/capistrano.rake, and they will automatically be available to Rake.

	require(File.join(File.dirname(__FILE__), 'config', 'boot'))

	require 'rake'
	require 'rake/testtask'
	require 'rake/rdoctask'

	require 'tasks/rails'
	#!/usr/bin/env ruby

	# NOTE: does not make sense to measure for large iterations, only as
	# much as the logging being done on rails request, it is not as if on
	# on a request 10K logging is done. With 50 logging statements i would
	# prefer syslog
	# NOTE: Also in buffered and syslog the
	# log can get lost but logger is more reliable

	# TODO: measure IO perf, if syslog logs on remote the io cost will be
	# DOCKER-VERSION 0.4.8

	FROM ubuntu:12.04

	# install essentials
	RUN apt-get install -y -q git

	# Install rbenv
	RUN git clone https://github.com/sstephenson/rbenv.git /usr/local/rbenv
	RUN echo '# rbenv setup' > /etc/profile.d/rbenv.sh
	require 'pp'

	Dir["#{RAILS_ROOT}/app/models/*.rb"].each { \|model_path\| require model_path }

	models = Module.constants.select do \|constant_name\|
	begin
	constant = eval constant_name.to_s
	next if constant.nil?
	match = (constant < ActiveRecord::Base) rescue nil
	if match
	#!/bin/sh
	# wget-list: manage the list of downloaded files

	# invoke wget-list without arguments

	# http://www.linux.com/feature/59457
	# http://ubuntuforums.org/showthread.php?t=672074
	# http://www.lifehack.org/articles/lifehack/make-your-idle-computer-work-for-you.html
	# http://decafbad.net/projects/scripts
	# http://www.google.co.in/search?q=wget+queue&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a
	# DOCKER-VERSION 0.4.8

	# am facing issue
	# https://github.com/dotcloud/docker/issues/1123

	FROM ubuntu:12.04

	MAINTAINER Deepak Kannan "deepak@codemancers.com"

	RUN apt-get -y install python-software-properties
	T0 = Thread.main

	t1 = Thread.new(Thread.current) { \|x\| Thread.current[:parent] = x; sleep 1_00_000; }
	t2 = Thread.new(Thread.current) { \|x\| Thread.current[:parent] = x; sleep 1_00_000; }

	(t1[:parent] == t2[:parent]) && (t1[:parent] == T0)

	__END__

	# to find out the parent of a thread, ie. was spawned by which thread
	# let us say you want to check if a host is reachable
	# sometimes you need to be behind a private VPN or the host is just down
	# and you want to do this on your local-machine and on Heroku

	# can open your terminal and use ping on your local

	# And can get a bash shell on Heroku as well - by `heroku run bash`
	# but there is no `ping` binary there

	# ```bash