staltz

The introduction to Reactive Programming you've been missing

(by @andrestaltz)

---

This tutorial as a series of videos

If you prefer to watch video tutorials with live-coding, then check out this series I recorded with the same contents as in this article: Egghead.io - Introduction to Reactive Programming.

---

peterc

require 'stringio'
require 'timeout'

class Object
  def methods_returning(expected, *args, &blk)
    old_stdout = $>
    $> = StringIO.new

    methods.select do |meth|
      Timeout::timeout(1) { dup.public_send(meth, *args, &blk) == expected rescue false } rescue false

mezis

SELECT id,state,command,time,left(replace(info,'\n','<lf>'),120)
FROM information_schema.processlist
WHERE command <> 'Sleep' 
AND info NOT LIKE '%PROCESSLIST%'
ORDER BY time DESC LIMIT 50;

mezis

diff --git i/config/deploy.rb w/config/deploy.rb
index 73fc910..594322c 100644
--- i/config/deploy.rb
+++ w/config/deploy.rb
@@ -65,7 +65,7 @@ end

 desc 'restart'
 deploy.task :restart, :roles => :web do
-  run "touch #{current_path}/tmp/restart.txt"
+  run "bash -c 'sleep $(( $RANDOM / 100 ))' ; date ; touch #{current_path}/tmp/restart.txt"

skwp

require 'spec/support/grep_matcher'

describe do
  disallow_presence_of pattern: "send(.*#",
    location: "app/",
    description: "Do not use dynamic method invocations",
    failure: "Please change dynamic method call to something more sane."
end

Karlotcha

# tail call optimization
RubyVM::InstructionSequence.compile_option = {:tailcall_optimization => true,:trace_instruction => false}

# Fibonacci sequence
def fib(n,tail,tail2)
  return 1 if n == 1
  return 1 if n == 2
  return tail + tail2 if n == 3
  fib(n-1, tail2, tail+tail2)
end

maxim

In Rails 3

NOTE: This post now lives (and kept up to date) on my blog: http://hakunin.com/rails3-load-paths

If you add a dir directly under app/

Do nothing. All files in this dir are eager loaded in production and lazy loaded in development by default.

If you add a dir under app/something/

amitchhajer

git ls-files -z | xargs -0n1 git blame -w | perl -n -e '/^.*\((.*?)\s*[\d]{4}/; print $1,"\n"' | sort -f | uniq -c | sort -n

1wErt3r

;SMBDIS.ASM - A COMPREHENSIVE SUPER MARIO BROS. DISASSEMBLY
;by doppelganger ([email protected])

;This file is provided for your own use as-is.  It will require the character rom data
;and an iNES file header to get it to work.

;There are so many people I have to thank for this, that taking all the credit for
;myself would be an unforgivable act of arrogance. Without their help this would
;probably not be possible.  So I thank all the peeps in the nesdev scene whose insight into
;the 6502 and the NES helped me learn how it works (you guys know who you are, there's no 

gcatlin

brew update
brew versions FORMULA
cd `brew --prefix`
git checkout HASH Library/Formula/FORMULA.rb  # use output of "brew versions"
brew install FORMULA
brew switch FORMULA VERSION
git checkout -- Library/Formula/FORMULA.rb    # reset formula

## Example: Using Subversion 1.6.17
#