validation

03-Django基础概念和MVT架构

由 旧街凉风 提交于 2020-12-07 03:30:36
一、Django基础 掌握Django的 MVT 架构的使用 掌握Git管理源代码 主要内容 了解Django的 MVT 架构的使用流程 使用Django完成案例 : 书籍信息管理 MVC介绍 　　 MVC： 全拼为Model-View-Controller。 　　　　 Model： 简称为M，主要封装对数据库层的访问，内嵌ORM框架，实现面向对象编程来操作数据库。 　　　　 View： 简称V，用于封装结果，内嵌了模板引擎，实现动态展示数据。 　　　　 Controller： 简称C，用于接收GET或POST请求，处理业务逻辑，与Model和View交互，返回结果。 备注：当前主流的开发语言如Java、PHP、Python....中都有MVC设计模式。 MTV介绍 　　MTV：全拼为Model-View-Template 　　　　Model：简称M，与MVC中的M功能相同，负责与数据库交互，处理数据，内嵌了ORM框架。 　　　　View：简称V，与MVC中的C功能相同，接收HttpRequest，业务处理逻辑，返回HttpResponse。 　　　　Template：简称T，与MVC中的V功能相同，负责封装构造返回的html，内嵌了模板引擎。 备注：MTV和MVC的差异在于MTV中的View是处理业务逻辑的，然而MVC中的V是处理内置模板引擎的

Laravel display validation error

由 丶灬走出姿态 提交于 2020-12-06 14:58:50
问题 I try use this code: @foreach($errors->all() as $error) <li>{!! $error !!}</li> @endforeach and in view have this: I would like the error to be displayed correctly. exemple The name is required. In debbuger I can see. How to replace validation.required upon "The name is required" 回答1: you need to add validation in controller method like this.. $request->validate([ 'name' => 'required' ]); then you can show your validation error in view : @if ($errors->has('name')) <li>{{ $errors->first('name'

QUIC Weekly 每周一草（20201125期）

由 十年热恋 提交于 2020-12-02 15:15:22
关于QUIC协议的论文、IETF进展、博客、视频等等 QUIC 的全称是 Quick UDP Internet Connections protocol, 由 Google 设计提出，目前由 IETF 工作组推动进展。其设计的目标是替代 TCP 成为 HTTP/3 的数据传输层协议。熹乐科技在物联网（IoT）和边缘计算（Edge Computing）场景也一直在打造底层基于 QUIC 通讯协议的低时延边缘计算框架 YoMo ，长时间关注 QUIC 协议的发展，遂整理该文集并配以适当的中文翻译，方便更多关注 QUIC 协议的人学习。 在线社区：🍖 discord/quic 维护者：🦖 YoMo QUIC Weekly - 20201125期 Wikipedia 上更新了关于 HTTP/3 的章节： HTTP/3 - Wikipedia IETF-QUIC 的标准依赖树 Daniel Stenberg 的新 Keynote HTTP/3 是下一代 HTTP QUIC 在 5G 网络中的实验： QUIC Throughput and Fairness over Dual Connectivity Google's cloud gaming platform Stadia is using QUIC 跟坚哥学QUIC系列：4 - 连接迁移（Connection Migration）

Laravel sometimes vs sometimes|required

由 我只是一个虾纸丫 提交于 2020-12-01 06:40:21
问题 What is the difference between sometimes|required|email and sometimes|email in Laravel validation?I've read this discussion from laracasts but still it is ambiguous for me 回答1: From the docs: In some situations, you may wish to run validation checks against a field only if that field is present in the input array. To quickly accomplish this, add the sometimes rule to your rule list https://laravel.com/docs/5.2/validation#conditionally-adding-rules If I could simplify it, I would say sometimes

Laravel sometimes vs sometimes|required

由 ￡可爱￡侵袭症＋ 提交于 2020-12-01 06:28:18
问题 What is the difference between sometimes|required|email and sometimes|email in Laravel validation?I've read this discussion from laracasts but still it is ambiguous for me 回答1: From the docs: In some situations, you may wish to run validation checks against a field only if that field is present in the input array. To quickly accomplish this, add the sometimes rule to your rule list https://laravel.com/docs/5.2/validation#conditionally-adding-rules If I could simplify it, I would say sometimes

Laravel sometimes vs sometimes|required

由 依然范特西╮ 提交于 2020-12-01 06:26:50
问题 What is the difference between sometimes|required|email and sometimes|email in Laravel validation?I've read this discussion from laracasts but still it is ambiguous for me 回答1: From the docs: In some situations, you may wish to run validation checks against a field only if that field is present in the input array. To quickly accomplish this, add the sometimes rule to your rule list https://laravel.com/docs/5.2/validation#conditionally-adding-rules If I could simplify it, I would say sometimes

Laravel sometimes vs sometimes|required

由 我与影子孤独终老i 提交于 2020-12-01 06:26:01
问题 What is the difference between sometimes|required|email and sometimes|email in Laravel validation?I've read this discussion from laracasts but still it is ambiguous for me 回答1: From the docs: In some situations, you may wish to run validation checks against a field only if that field is present in the input array. To quickly accomplish this, add the sometimes rule to your rule list https://laravel.com/docs/5.2/validation#conditionally-adding-rules If I could simplify it, I would say sometimes

[转] 深入浅出mongoose-----包括mongoose基本所有操作,非常实用!!!!!

由 偶尔善良 提交于 2020-11-30 23:38:31
深入浅出mongoose mongoose是nodeJS提供连接 mongodb的一个库. 此外还有mongoskin, mongodb(mongodb官方出品). 本人,还是比较青睐mongoose的, 因为他遵循的是一种, 模板式方法, 能够对你输入的数据进行自动处理. 有兴趣的同学可以去 Mongoose官网 看看. 初入mongoose install mongoose I’ve said that. 使用mongoose你需要有 nodeJS和mongodb数据库. 这两个东西, 前端宝宝们应该很清楚了》 下载mongoose: npm install mongoose --save connect mongoose 下载好数据库之后,我们 来碰碰运气, 看你能不能连接上database. 首先,打开你的mongodb; mongod; //这里我已经将mongodb放在环境变量中了 数据库成功打开后: 在js文件中写入: 'use strict'; const mongoose = require( 'mongoose'); mongoose.connect( 'mongodb://localhost:27017/test'); const con = mongoose.connection; con.on( 'error', console.error.bind(

Json Schema validation: do not allow fields other than those declared in schema [duplicate]

由 喜你入骨 提交于 2020-11-30 16:45:54
问题 This question already has answers here : Only allow properties that are declared in JSON schema (3 answers) Closed 10 months ago . Suppose that I have schema like fname: string lname: string age: string None of them are required. User can send me any of those attributes above but nothing else that is not declared. They can pass me fname , lname and age or all. But if they pass me all and additional property like middle_name the message should be rejected. How would I define a schema like this

WPF有关控件和模板样式设计的微软官方文档

由 北城以北 提交于 2020-11-26 13:08:11
说明 如果你正在使用WPF开发应用程序，相信这篇博客会对你有用。希望你能认真的阅读 正文 此文主要以 Button 为例进行介绍此文档的组成部分。 Button Parts Button 控件没有任何命名的部件 Button 状态 这里列出了 Button 控件的视觉状态列表 | VisualState Name | VisualStateGroup Name | 描述 | | ---- | ---- | ---- | | Normal | CommonStates | 默认状态 | | MouseOver | CommonStates | 鼠标指针定位到此空间上的状态 | | Pressed | CommonStates | 控件被按下 | | Disabled | CommonStates | 控件不可用 | | Focused | FocusStates | 控件获得焦点 | | Unfocused | FocusStates | 控件未获得焦点 | | Valid | ValidationStates | The control uses the Validation class and the Validation.HasError attached property is false . | InvalidFocused | ValidationStates | The
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