ddl1st
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ddl1st：
majinfei 写道wget http://kernel.o ...
Centos git 安装 -
majinfei：
wget http://kernel.org/pub/soft ...
Centos git 安装 -
ddl1st：
orcl_zhang 写道 哥看好你。
发展规划分析 -
orcl_zhang：
哥看好你。
发展规划分析 -
ddl1st：
夜鸣猪 写道还不错，我经常用到的是格式化显示通常是 datat ...
Rails 日期扩展
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1、备份
备份一个数据库
mysqldump -uxxxx -pxxxx --opt dbname > filename.sql
备份整个数据库
mysqldump -uxxxx -pxxxx --opt --all_database > filename.sql
2、恢复
恢复一个数据库
mysql -uxxxx -pxxxx dbname < filename.sql
恢复整个数据库
mysql -uxxxx -pxxxx < filename.sql
echo "GSSAPIAuthentication no" >> ~/.ssh/config
https://gist.github.com/784445
rails new example -d=mysql
cd example
Gemfile 添加
gem 'paperclip'
bundle install
新建文件/lib/paperclip_processors/watermark.rb
module Paperclip
class Watermark < Thumbnail
def initialize(file, options = {}, attachment = nil)
super
@watermark_pa ...
sudo apt-get install samba
sudo vi /etc/samba/smb.conf
;[homes]
; comment = Home Directories
; browseable = no
改为
[homes]
comment = Home Directories
browseable = no
writable = yes
valid users = %S
sudo smbpasswd -a [username]
New SMB password:
Retype ...
puts (1.337).round_with_precision(2) #=> 1.34
puts 3.ordinalize #=> 3rd
puts 321.ordinalize #=> 321st
application.html
http://docs.jquery.com/Plugins/autocomplete
<!DOCTYPE html>
<html>
<head>
<title>AotoComplete</title>
<%= stylesheet_link_tag :all %>
<%= javascript_include_tag 'AutoComplete/jquery','AutoComplete/jquery.autocomplete','AutoComplete/jq ...
sudo apt-get install openssl libssl-dev
cd ~/.rvm/src/ruby-1.9.2...../ext/openssl
ruby extconf.rb
cd ../..
make && make install
rvm remove 1.9.2
rvm install 1.9.2
可能是缺少两个包
sudo apt-get install libncurses5-dev
sudo apt-get install libreadline5-dev
cd .rvm/src/ruby-1.9.2-p180/ext/readline # 反正就是在ruby的 ext/redline 目录下
ruby extconf.rb
make
sudo make installcd /home/demon/hello
如果还是不行
rvm remove 1.9.2
rvm install 1.9.2
ERROR: Cloning from git://github.com/wayneeseguin/rvm.git failed, trying via https now (https://github.com/wayneeseguin/rvm.git).
fatal: destination path 'rvm' already exists and is not an empty directory.
ERROR: Cloning from https://github.com/wayneeseguin/rvm.git failed, perhaps your git version d ...
rvm 安装
curl -L get.rvm.io | bash -s stable
source ~/.rvm/scripts/'rvm'
查看ruby依赖包 rvm requirements
引用# For Ruby / Ruby HEAD (MRI, Rubinius, & REE), install the following:
ruby: /usr/bin/apt-get install build-essential openssl libreadline6 libreadline6-dev curl git-core zlib1g zlib1g-dev libssl- ...
sudo apt-get install samba
sudo vi /etc/samba/smb.conf
;[homes]
; comment = Home Directories
; browseable = no
改为
[homes]
comment = Home Directories
browseable = no
writable = yes
valid users = %S
sudo smbpasswd -a [username]
New SMB password:
Retype new SMB password:
重启s ...
bar=25;1.upto(bar){|b| puts "#{(' *'*b).center(bar*2)}"}
<style type="text/css">
.miao{width:170px;height:100px;display:table;text-align:center;border:solid 1px red;}
.miao span{display:table-cell;vertical-align:middle;border:solid 1px blue;}
.miao span img{border:dashed 1px green;}
</style>
<style type="text/css"& ...
require 'rubygems' rescue nil
require 'wirble'
require 'pp'
# load wirble
Wirble.init
Wirble.colorize
IRB.conf[:AUTO_INDENT] = true
## method tracing
# enable tracing
def enable_trace( event_regex = /^(call|return)/, class_regex = /IRB|Wirble|RubyLex|RubyToken/ )
puts "Enab ...