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Channels Are Not Enough

... or Why Pipelining Is Not That Easy

Golang Concurrency Patterns for brave and smart.

By @kachayev

Intro

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Gentoo-20121221 ~ # cryptsetup luksOpen /dev/sdb3 lvm-root
Enter passphrase for /dev/sdb3:                                                                                                                                                                 
Gentoo-20121221 ~ # cryptsetup luksOpen /dev/sda1 lvm-home
Enter passphrase for /dev/sda1:                                                                                                                                                                 
Gentoo-20121221 ~ # vgchange -ay 
  1 logical volume(s) in volume group "gvgh" now active
  1 logical volume(s) in volume group "gvgr" now active
Gentoo-20121221 ~ # mount /dev/gvgr/glvr /mnt/gentoo/
Gentoo-20121221 ~ # mount /dev/gvgh/glvh /mnt/gentoo/home/
Gentoo-20121221 ~ # mount /dev/sdb2 /mnt/gentoo/boot/

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#!/bin/bash

MEM=512
LAN=eth0
BRIDGE=virtbr


# runs under the user that started it. make sure it has access to /dev/kvm
function start_vm {
    TAPIF=$1

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Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

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library(twitteR)
library(ggplot2)

tweets <- list()
dates <- paste("2012-07-",11:18,sep="") # need to go to 18th to catch tweets from 17th
for (i in 2:length(dates)) {
  print(paste(dates[i-1], dates[i]))
  tweets <- c(tweets, searchTwitter("#ISMB", since=dates[i-1], until=dates[i], n=1500))
}

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// Use Gists to store code you would like to remember later on
console.log(window); // log the "window" object to the console

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#!/usr/bin/env perl
use strict;
use warnings;
use utf8;
use LWP::UserAgent;
use HTTP::Request::Common qw(POST);
use HTTP::Cookies;
use MIME::Base64;

$| = 1;

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#!/usr/bin/env perl                                                                                                                                                                                                                            
use strict;
use warnings;
use utf8;
use LWP::UserAgent;
use HTTP::Request::Common qw(POST);
use HTTP::Cookies;
use File::Temp;

$| = 1;

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#!/usr/bin/perl
use strict;
use warnings;
use WWW::Mechanize;
use File::Basename;
use LWP::Simple;
use PDF::API2;

my $page = WWW::Mechanize->new();
$page->get("http://www.cs.cmu.edu/~guna/15-123S11/Lectures");

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gem install vagrant
vagrant box add precise64 http://files.vagrantup.com/precise64.box
vagrant init
vagrant up