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我不允许你只会 if err == nil ，请收下这份优雅处理错误的指南

built-in interface type is the conventional interface for // representing an error condition, with the nil

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Active Record 数据验证

= :odd ：必须为奇数 :even ：必须为偶数此方法默认不接受 nil 值，可以使用 allow_nil: true 选项允许接受 nil presence 检查属性是否为非空值...方法检查是否为 nil 或空字符串 class Person < ApplicationRecord validates :name, :login, :email, presence: true...方法检查是否为 nil 或空字符串 class Person < ApplicationRecord validates :name, :login, :email, absence: true...常用验证选项 :allow_nil 允许 nil 值，如果要验证的值是 nil 就跳过验证 class Coffee < ApplicationRecord validates :size, inclusion...: {in: %w(small medium large), message: "%{value} is not a valid size"}, allow_nil: true end :allow_blank

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ActiveRecord入门教程：Ruby的ORM神器

（没错，就是Rails框架中那个让人又爱又恨的数据库交互层）如果你曾经被SQL语句折磨得死去活来，或者厌倦了手写数据库查询代码，那这篇文章绝对值得一读。...ActiveRecord是Ruby on Rails框架的核心组件之一，它实现了"Active Record模式"（一种著名的设计模式）。...让复杂关系变得易于理解迁移系统让数据库结构管理变得轻松 - 再也不用担心手动修改数据库结构了跨数据库兼容性 - 同样的代码可以操作不同的数据库（MySQL、PostgreSQL等）开始使用ActiveRecord安装如果你是在Rails...{ with: /\A[^@\s]+@[^@\s]+\z/ } validates :age, numericality: { greater_than: 0, less_than: 120 }, allow_nil

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Rails测试：Rspec

If you use rails, then you should know how to use RSpec to test your rails app....User name:string and email:string name and email should not be nil....end factory :invalid_user, parent: :user do |f| # inherits from user f.name nil...# when use create, our test will always fail expect(FactoryGirl.bulid(:user, name: nil...it "is invalid without email" do expect(FactoryGirl.bulid(:user, email: nil

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gitlab升级版本cicd runner页面500错误

cd /var/log/gitlab/gitlab-rails/tail -f production.log图片图片gitlab-ctl tail | grep error图片[root@VM-5-14...-rockylinux gitlab-rails]# sudo gitlab-rails dbconsole --database mainpsql (13.8)Type "help" for help.gitlabhq_production...,参照了：https://blog.csdn.net/ZH_CS/article/details/124709638sudo gitlab-rails consule------------------...ApplicationSetting.last......irb(main):002:0> settings.update_column(:runners_registration_token_encrypted, nil...)=> trueirb(main):003:0> settings.update_column(:encrypted_ci_jwt_signing_key, nil)irb(main):004:0> settings.save

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AFNetworking源码探究（十一） —— 数据解析之子类中协议方法的实现

for behavior of Rails to return a single space for `head :ok` (a workaround for a bug in Safari), which...is not interpreted as valid input by NSJSONSerialization. // See https://github.com/rails/rails/...id responseObject = nil; NSError *serializationError = nil; // Workaround for behavior of Rails to return...Safari), which is not interpreted as valid input by NSJSONSerialization. // See https://github.com/rails.../rails/issues/1742 BOOL isSpace = [data isEqualToData:[NSData dataWithBytes:" " length:1]]; if (data.length

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rails api+react+jwt验证教程

1.生成railsAPI项目 rails new 项目名 --datebase=postgresql 2.创建model的User模型,username与密码字段 rails g model user...(:secret_key_base)) end end 14.生成新密钥 rails secret 15.使用vim编辑密钥 EDITOR=vim bin/rails credentials:edit...Bundler.require(*Rails.groups) module Jwt class Application Rails::Application # Initialize...configuration defaults for originally generated Rails version....config.load_defaults 5.2 config.generators.system_tests = nil config.middleware.insert_before

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Gitlab安装使用及汉化配置

现有的服务商，对于免费的套餐都有一定的限制，比如GitHub只允许建立免费的开源repository，不允许建立私有的仓库。...,created_by_id: nil, last_credential_check_at: nil, avatar: nil,hide_no_ssh_key: false, website_url:..., encrypted_otp_secret: nil, encrypted_otp_secret_iv: nil,encrypted_otp_secret_salt: nil, otp_required_for_login...: false,otp_backup_codes: nil, public_email: "", dashboard: 0, project_view:2, consumed_timestep: nil...: true, ghost: nil, last_activity_on: nil, notified_of_own_activity:false, require_two_factor_authentication_from_group

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如何搭建自己的中文Git版本库:Gitlab容器化部署

registry.gitlab.example.com' # pages_external_url "http://pages.example.com/" # gitlab_pages['artifacts_server_url'] = nil...registry.gitlab.example.com' # pages_external_url "http://pages.example.com/" # gitlab_pages['artifacts_server_url'] = nil...]-[~] └─$ cat /data/gitlab/etc/gitlab.rb | grep gitlab_shell_ssh # gitlab_rails['gitlab_shell_ssh_port...]-[~] └─$ /data/gitlab/data/gitlab-rails/etc/gitlab.yml ┌──[root@liruilongs.github.io]-[~] └─$ vim /...data/gitlab/data/gitlab-rails/etc/gitlab.yml ┌──[root@liruilongs.github.io]-[~] └─$ #################

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【IOS 开发】基本 UI 控件详解 (UIDatePicker | UIPickerView | UIStepper | UIWebView | UIToolBar )

], @"十三号线", [NSArray arrayWithObjects : @"五棵松", @"八宝山",@"八角游乐园", @"苹果园", nil], @"一号线" , nil];...//获取键值集合 rails = [dictionary allKeys]; //当前显示的键值 selectedRail = 0; //设置委托...; //第二列根据键值的当前选中的键值确定对应的集合, 然后返回该对应集合的个数 return [[dictionary objectForKey:[rails objectAtIndex...objectAtIndex:selectedRail], [[dictionary objectForKey:[rails objectAtIndex:selectedRail]] objectAtIndex...objectAtIndex:selectedRail], [[dictionary objectForKey:[rails objectAtIndex:selectedRail]] objectAtIndex

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share write up

= nil && params[:file][:myfile] !...+ext)[0],Rails.root.to_s+"/public/upload") share.write(Base64.decode64(file.read)) share.close...= nil && params[:uid] !...root_path) end def share_file_to_all file = Sharefile.find(params[:fid]) File.rename(file.path,Rails.root...+"/public/download/"+file.name) file.public = true file.path = Rails.root+"/public/download/"

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一键安装Gitlab后的备份、迁移与恢复

gitlab简介 GitLab，是一个使用 Ruby on Rails 开发的开源应用程序，与Github类似，能够浏览源代码，管理缺陷和注释，非常适合在团队内部使用。...gitlab是基于Ruby on Rails的，安装和配置非常麻烦，源码安装 GitLab 步骤繁琐：需要安装依赖包，Mysql，Redis，Postfix，Ruby，Nginx……安装完毕还得一个个手动配置这些软件...查看/var/log/gitlab/gitlab-rails/production.log日志，发现上述错误。这是gitlab数据迁移时的一个缺陷。...runner "Project.where(mirror: false).where.not(import_url: nil).each { |p| p.import_data.destroy if...p.import_data }" CE版本执行 sudo gitlab-rails runner "Project.where.not(import_url: nil).each { |p| p.import_data.destroy

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GitLab安装与基础使用

'] = false gitlab_rails['object_store']['objects']['artifacts']['bucket'] = nil gitlab_rails['object_store...']['objects']['external_diffs']['bucket'] = nil gitlab_rails['object_store']['objects']['lfs']['bucket...'] = nil gitlab_rails['object_store']['objects']['uploads']['bucket'] = nil gitlab_rails['object_store...']['objects']['packages']['bucket'] = nil gitlab_rails['object_store']['objects']['dependency_proxy']...['bucket'] = nil gitlab_rails['object_store']['objects']['terraform_state']['bucket'] = nil gitlab_rails

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DevOps-版本控制系统-GitLab部署

修改gitlab.rb配置文件编辑/etc/gitlab/gitlab.rb 654 gitlab_rails['db_adapter'] = "postgresql" 655 gitlab_rails...['db_encoding'] = "utf8" 656 # gitlab_rails['db_collation'] = nil 657 gitlab_rails['db_database'] = "...gitlabhq_production" 658 gitlab_rails['db_username'] = "gitlab" 659 gitlab_rails['db_password'] = "gitlab..." 660 gitlab_rails['db_host'] = "192.168.1.200" 661 gitlab_rails['db_port'] = 54322 1025 postgresql['...enable'] = false ## 配置更新 gitlab-ctl reconfigure 验证配置生效 cat /opt/gitlab/embedded/service/gitlab-rails

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企业自建GitLab代码仓库安装与基础配置使用

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iOS AFNetworking 源码阅读三

如果错误，则填充错误信息，并且返回NO，否则返回YES，错误信息为nil。...; } } // Workaround for behavior of Rails to return a single space for `head :ok` (a...Safari), which is not interpreted as valid input by NSJSONSerialization. // See https://github.com/rails.../rails/issues/1742 //如果数据为空 BOOL isSpace = [data isEqualToData:[NSData dataWithBytes:" "...length:1]]; //空则返回nil if (data.length == 0 || isSpace) { return nil; }

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安装 GitLab CE

/gitlab-rails-rc] action create - create new file /opt/gitlab/etc/gitlab-rails/gitlab-rails-rc.../shared/pages + host: + port: + https: false + external_http: nil...+ external_https: nil + + ## Gravatar + ## For Libravatar see: https://...email address from the specified Omniauth provider every time the user logs + # in (default: nil...0600) + keep_time: # default: 0 (forever) (in seconds) + pg_schema: # default: nil

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Gitlab 数据搬家迁移

gitliab的安装及配置等等，如有需要请自行搜索第一步对应两个Gitlab版本查看gitlab版本(二选一): cat /opt/gitlab/embedded/service/gitlab-rails...gitlab-rake gitlab:backup:create RAILS_ENV=production 备份后的文件一般是位于/var/opt/gitlab/backups下, 自动生成文件名文件名如...第四步恢复备份文件 /#新服务器执行恢复命令 chown -R git.git /var/opt/gitlab/backups/ gitlab-rake gitlab:backup:restore RAILS_ENV...projects_controller.rb:93:in `show' lib/gitlab/middleware/go.rb:16:in `call' 解决方法：执行下面命令既可恢复 gitlab-rails...runner "Project.where.not(import_url: nil).each { |p| p.import_data.destroy if p.import_data }" 网友教程参考

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手把手教你在centos7上安装GitLab服务器

gitlab.example.com'修改为external_url 'http://地址为自己安装服务器ip或者域名' 如果服务器上的80端口被占用则# nginx['listen_port'] = nil...['smtp_enable'] = truegitlab_rails['smtp_address'] = "smtp.qq.com"gitlab_rails['smtp_port'] = 465gitlab_rails...['smtp_user_name'] = "你自己QQ号" gitlab_rails['smtp_password'] = "QQ授权码" gitlab_rails['smtp_domain...'] = "smtp.qq.com"gitlab_rails['smtp_authentication'] = "login"gitlab_rails['smtp_enable_starttls_auto...'] = truegitlab_rails['smtp_tls'] = truegitlab_rails['gitlab_email_from'] = '你自己QQ号' 注：qq授权码获取如下

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Gitlab配置webhook趟坑全纪录&由此引发的常见环境问题排查思路与思考总结

allowed” 【原因】官方解释：https://docs.gitlab.com/ee/security/webhooks.html，大致意思就是Gitlab 10.6 版本以后为了安全，默认不允许向本地网络发送...好在Gitlab服务是我搭建的，可以通过一些途径重置管理员密码： gitlab-rails console # 进入gitlab-rails控制台 user = User.where(id:1).first...【解决办法】进入gitlab命令行，依次执行如下命令，进行更新设置： gitlab-rails c # 进入gitlab命令行 # 依次执行如下命令： settings = ApplicationSetting.last...settings.update_column(:runners_registration_token_encrypted, nil) settings.update_column(:encrypted_ci_jwt_signing_key..., nil) settings.save!

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点击加载更多

我不允许你只会 if err == nil ，请收下这份优雅处理错误的指南

Active Record 数据验证

ActiveRecord入门教程：Ruby的ORM神器

Rails测试：Rspec

gitlab升级版本cicd runner页面500错误

AFNetworking源码探究（十一） —— 数据解析之子类中协议方法的实现

rails api+react+jwt验证教程

Gitlab安装使用及汉化配置

如何搭建自己的中文Git版本库:Gitlab容器化部署

【IOS 开发】基本 UI 控件详解 (UIDatePicker | UIPickerView | UIStepper | UIWebView | UIToolBar )

share write up

一键安装Gitlab后的备份、迁移与恢复

GitLab安装与基础使用

DevOps-版本控制系统-GitLab部署

企业自建GitLab代码仓库安装与基础配置使用

iOS AFNetworking 源码阅读三

安装 GitLab CE

Gitlab 数据搬家迁移

手把手教你在centos7上安装GitLab服务器

Gitlab配置webhook趟坑全纪录&由此引发的常见环境问题排查思路与思考总结

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