小编dug*_*dug的帖子

在Sequelize> = 1.7中,我们可以使用promises

你能解释一下我如何从这个代码中获得每个用户的值:

var User = sequelize.define("user", {
  username: Sequelize.STRING
})


User
  .sync({ force: true })
  .then(function() { return User.create({ username: 'John' }) })
  .then(function(john) { return User.create({ username: 'Jane' }) })
  .then(function(jane) { return User.create({ username: 'Pete' }) })
  .then(function(pete) {
    console.log("we just created 3 users :)")
    console.log("this is pete:")
    console.log(pete.values)

    // what i want:
    console.log("this is jane:")
    console.log(jane.values)

    console.log("this is john:")
    console.log(john.values)
  })

UPD

所有值都需要与其他模型设置关联.其实我需要一些像这样的代码:

User.hasMany(Group)
Group.hasMany(User)

User
  .sync({ force: true })
  .then(function() { return User.create({ …

我正在尝试以编程方式使用ruby填写pdf.pdf包含允许输入文本的字段:

我已经使用在过去成功pdftk通过pdf_form创业板,但是它没有找到在这个特殊的PDF格式的字段:

$ pry
[1] pry(main)> require 'pdf_forms'
=> true
[2] pry(main)> pdftk = PdfForms.new('/usr/local/bin/pdftk')
=> #<PdfForms::PdftkWrapper:0x007fece7af6d98 @options={}, @pdftk="/usr/local/bin/pdftk">
[3] pry(main)> pdftk.get_field_names('designation.pdf')
=> []

如何使用ruby填写pdf？

我尝试过使用aws-sdk和knox,我得到状态代码301试图上传图像.我得到状态码301和消息 - '您尝试访问的存储桶必须使用指定的端点进行寻址.请将以后的所有请求发送到此端点.这适用于PHP.

AWS.config.loadFromPath(__dirname + '/config/config.json');
fs.readFile(source, function (err, data) {
var s3 = new AWS.S3();
    s3.client.createBucket({Bucket: 'mystuff'}, function() {
       var d = {
            Bucket: 'mystuff',
            Key: 'img/test.jpg',
            Body: data,
            ACL: 'public-read'
            };
       s3.client.putObject(d, function(err, res) {
            if (err) {
                console.log("Error uploading data: ", err);
                callback(err); 
            } else {
                console.log("Successfully uploaded data to myBucket/myKey");
                callback(res);   
            }
        });
    });
}); 

给定以下 ruby​​ 文件 foo.rb：

# this is a module comment
module A
  # this is a constant comment
  B = 'hi'
  # this is a class comment
  class C
    # this is a method comment
    # @param [String] name Who to say hi to
    # @return [String]
    def self.hi(name)
      "#{B}, #{name}"
    end
  end
end

{A::C => 'this is a class comment'}如何以编程方式获取与特定对象（例如， ）相关的注释{B => 'this is a constant comment'}？

我期望YARD.parse(File.read('/path/to/foo.rb'))或YARD::Parser::SourceParser.parse(File.read('/path/to/foo.rb'))做某事，但它们返回空数组。YARD::Parser::Ruby::RubyParser.parse(File.read('/path/to/foo.rb'))返回一个YARD::Parser::Ruby::RipperParser看似 …