rushilgupta

INTRO

Concurrency is a domain I have wanted to explore for a long time because the locks and the race conditions have always intimidated me. I recall somebody suggesting concurrency patterns in golang because they said "you share the data and not the variables".

Amused by that, I searched for "concurrency in golang" and bumped into this awesome slide by Rob Pike: https://talks.golang.org/2012/waza.slide#1 which does a great job of explaining channels, concurrency patterns and a mini-architecture of load-balancer (also explains the above one-liner).

Let's dig in:

Goroutines

jdhao

echo "Downloading gcc source files..."
curl https://ftp.gnu.org/gnu/gcc/gcc-5.4.0/gcc-5.4.0.tar.bz2 -O

echo "extracting files..."
tar xvfj gcc-5.4.0.tar.bz2

echo "Installing dependencies..."
yum -y install gmp-devel mpfr-devel libmpc-devel

echo "Configure and install..."

chrisb

OS X 10.10 Guide

Here's what I did to get things working.

1. Install Xcode 6

Yep, over at: https://developer.apple.com

2. Install the Command Line Tools (CLT)

wen-long

##ss-redir 的 iptables 配置(透明代理)

透明代理指对客户端透明，客户端不需要进行任何设置就使用了网管设置的代理规则

创建 /etc/ss-redir.json 本地监听 7777 运行ss-redir -v -c /etc/ss-redir.json

iptables -t nat -N SHADOWSOCKS
# 在 nat 表中创建新链
iptables -t nat -A SHADOWSOCKS -p tcp --dport 23596 -j RETURN
# 23596 是 ss 代理服务器的端口，即远程 shadowsocks 服务器提供服务的端口，如果你有多个 ip 可用,但端口一致，就设置这个

tkuchiki

rpm -ivh http://repo.mysql.com/mysql-community-release-el6-5.noarch.rpm

yum install -y mysql-community-server

service mysqld start

wycats

Let's say we have a stream that represents the value of a property on some object.

var stream = new PathStream(post, 'title');

When we subscribe to this stream, we want to get its current value right away, and then any subsequent changes to the value.

In order to do this, we implement PathStream to hold onto a reference to the current value, and implement its subscribe to always emit the current value right away.

kenn

#!/usr/bin/env ruby

#------------------------------------------------------------------------------
# Aggregate Print useful information from /proc/[pid]/smaps
#
# pss  - Roughly the amount of memory that is "really" being used by the pid
# swap - Amount of swap this process is currently using
#
# Reference:
#  http://www.mjmwired.net/kernel/Documentation/filesystems/proc.txt#361

optikfluffel

input {
  file {
    type => nginx_web
    path => ["/var/log/nginx/*"]
    exclude => ["*.gz"]
  }
}

filter {
  grok {

josiahcarlson

'''
chunked_server_test.py

Copyright August 3, 2012
Released into the public domain

This implements a chunked server using Python threads and the built-in
BaseHTTPServer module. Enable gzip compression at your own peril - web
browsers seem to have issues, though wget, curl, Python's urllib2, my own
async_http library, and other command-line tools have no problems.

liwh

#!/bin/sh
#
# Simple Redis init.d script conceived to work on Linux systems
# as it does use of the /proc filesystem.

REDISPORT=6379
EXEC=/usr/local/bin/redis-server
CLIEXEC=/usr/local/bin/redis-cli

PIDFILE=/var/run/redis_${REDISPORT}.pid