dchentech

; 1.2
; http://en.wikipedia.org/wiki/Ackermann_function
; TODO 了解

(define (A x y)
  (cond ((= y 0) 0)
        ((= x 0) (* 2 y))
        ((= y 1) 2)
        (else (A (- x 1)
                 (A x (- y 1))))))

dchentech

*.log
*.lock

dchentech

height <- c(58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72) weight <- c(115, 117, 120, 123, 126, 129, 132, 135, 139, 142, 146, 150, 154,
159, 164) print(mean(height))
print(sd(weight)) print(cor(weight, height)) plot(weight, height)

dchentech

console.log num for num in [10..1]

dchentech

# encoding: UTF-8
# learn.eoe.cn Rails项目及其开源项目源码行数统计

require 'active_support/all'
@total_ruby_lines_count = 0
@total_javascript_lines_count = 0
@total_haml_lines_count = 0

def count_lines_by_file_type pattern, exclude = nil
  exclude_str = " | grep -v #{exclude} "  if exclude

dchentech

mongoid_models = Object.constants.map {|i| i.to_s.constantize rescue nil }.compact.select {|i| i.is_a?(Class) && i.included_modules.include?(Mongoid::Document) }

dchentech

#!/bin/sh
#
# https://gist.github.com/mvj3/6973600
#
# unicorn - init.d script for single or multiple unicorn installations. Expects at least one .conf
# chkconfig:   - 85 15
# description:  Unicorn is an HTTP server for Rack applications designed to only serve fast clients on low-latency,
#               high-bandwidth connections and take advantage of features in Unix/Unix-like kernels
# processname: unicorn
# config:      /etc/unicorn/*.conf

dchentech

adb shell pm clear com.ssl.support.install
adb shell pm clear com.ssl.support.daemon

adb install -r ~/sunshine/bhsf-install-adb/SunDaemon-release.apk
adb push ~/sunshine/bhsf-install-adb/SunInstall-release.apk /system/app

sudo umount /Volumes/MID

dchentech

cat - README.markdown << EOF | sendmail -t
to:[email protected]
from:[email protected]
subject:debian-jk
EOF

dchentech

http://ruby-china.org/topics/16256

get https://github.com/mvj3/hangman/blob/master/data/words.txt

and compile the decision tree.json

ruby compile.rb