jay16

Routes

小心地使用 Match（Rails 3 已实现）

Rails 3 提供了 match 方法供我们自定义 routes，然而我们要小心使用它以避免“跨站脚本攻击”（XSS Attack）。比如像这样的 routes：

注：（r3 代表 Rails 3，r4 代表 Rails 4）

# routes.rb

jay16

#Model 

@user.should have(1).error_on(:username) # Checks whether there is an error in username 
@user.errors[:username].should include("can't be blank")  # check for the error message 

#Rendering
response.should render_template(:index)

#Redirecting 
response.should redirect_to(movies_path)

jay16

#encoding: utf-8
require "fileutils"
namespace :my_db do  desc "Backup project database. Options: DIR=backups RAILS_ENV=production MAX=7"
  desc "usage - bundle exec rake my_db:backup  RAILS_ENV=production MAX=15 DIR=db/db.bak"
  task :backup => [:environment] do
    # config base dir
    datestamp = Time.now.strftime("%Y%m%d%H%M")
    base_path = Rails.root
    backup_folder = File.join(base_path, ENV["DIR"] || "backups")
    FileUtils.mkdir_p(backup_folder) unless File.exist?(backup_folder)

jay16

# 30 minutes Lisp in Ruby
# Hong Minhee <http://dahlia.kr/>
#
# This Lisp implementation does not provide a s-expression reader.
# Instead, it uses Ruby syntax like following code:
#
#     [:def, :factorial,
#       [:lambda, [:n],
#         [:if, [:"=", :n, 1],
#               1,

jay16

source/_includes/custom/head.html中添加js代码:

<script>
  function addBlankTargetForLinks () {
    $('a[href^="http"]').each(function(){
        $(this).attr('target', '_blank');
    });
  }

  $(document).bind('DOMNodeInserted', function(event) {

jay16

#!/usr/bin/env ruby

# Libraries:::::::::::::::::::::::::::::::::::::::::::::::::::::::
require 'rubygems'
require 'sinatra/base'
require 'slim'
require 'sass'
require 'coffee-script'

# Application:::::::::::::::::::::::::::::::::::::::::::::::::::

jay16

最近在看Sinatra 1.3.5的源码。在Sinatra::Helpers模块中看到一个名为uri的方法，用来将一个相对路径转换为绝对路径。在该函数的代码中看到分别针对request.script_name和request.path_info进行了处理。但是并不清楚这两个参数的区别，于是做了一些reseach。

二者在RFC3875中有如下定义：

4.1.13. SCRIPT_NAME

The SCRIPT_NAME variable MUST be set to a URI path (not URL-encoded) which could identify the CGI script (rather than the script's output). The syntax is the same as for PATH_INFO (section 4.1.5) >

jay16

Sub ExcelPrint
	Call exportToExcel_ALL()
End Sub 
Public Function exportToExcel_ALL()
Dim aryExport(14,3)

aryExport(0,0) = "CH57"
aryExport(0,1) = "直营业绩周报表"
aryExport(0,2) = "A1" 				
aryExport(0,3) = "data"

jay16

require 'goto'


def test
  frame_start

  label(:start) { goto :b }
  label(:a) { print "world!\n"; goto :c }
  label(:b) { print "hello "; goto :a }

jay16

=Navigating=
    visit('/projects')
    visit(post_comments_path(post))

=Clicking links and buttons=
    click_link('id-of-link')
    click_link('Link Text')
    click_button('Save')
    click('Link Text') # Click either a link or a button
    click('Button Value')