rails angular

After reading this article, you should be familiar with the following: All the obvious countermeasures. The concept of a session in rails, where the content is stored, common means of attack. A large number of allocation issues in rails. There are a few things that you have to focus on when providing a management interface. How to manage Users: Login, exit, attack methods at all levels. Common method

Key points for creating Rails Applications in China (in windows 7, Rails 4.2.0) and rails4.2.0 1. the application created using the rails new command will not succeed when the bundle install is automatically executed. Based on the error prompt, it is determined that the cause may be the security problem of the wall and https certificate. as a development envir

Install and use jquery-file-upload step by step1. Install gem Add the gem of jquery-fileupload-rails and paperclip to gemfile: gem "jquery-fileupload-rails"gem 'paperclip'2. Add in APP/assets/application. js //= require jquery-fileupload3. Add in APP/assets/stylesheets/application.css *= require jquery.fileupload-ui4. Create a picture data table rails g mo

Use Angular's built-in services, such as $ http and $ location, to efficiently use angular AngularJS provides many built-in services for us. These built-in services can easily implement some common functions. The following is a summary of commonly used built-in services in Angular.1. $ location service $ Location is used to return the URL address of the current page. The sample code is as follows: var app =

Introduction: angular-smarty, angular JS tool that can automatically complete the UI This article mainly introduces angular-smarty, an AngularJS tool that can automatically complete the UI, including the use of the isolation scope binding directive and promise. For more information, see We recently added an Automatic completion function (Smarty) for our forum on

What is angular?Angularjs is a framework for developing dynamic Web applications. It allows you to use HTML as a template language and to make your application components clearer and more concise with extended HTML syntax. What makes it so innovative is that it reduces the amount of code through data binding and dependency injection, which is implemented via JavaScript on the browser side and is perfectly integrated with any server-side technology.Ang

In some cases your application might need to upload large amounts of data, such as files. Obviously for a good UX we should provide the user some feedback on the progress of the upload. Angular ' s HttpRequest object has a property reportProgress which allows us to do exactly. Let's see how.//Service:Import {injectable} from ' @angular/core '; import {Observable} from' Rxjs/observable 'Import {HttpClient, H

Introduction to Angular change detection methods and introduction to angular Change Detection (Change Detection) is one of the most important features in Angular 2. When the data in the component changes, Angular 2 can detect the data changes and automatically refresh the view to reflect the corresponding changes. Befo

1. Auxiliary methods2. StringEnter "IRB" into the ruby command-line development environment, and the controller starts by executing "rails console" on the command line.(1) String connection>>"foo"+"bar"="foobar" (2) Interpolation by special syntax #{}>>first_name="Amy" ="Amy">>" #{first_name} Sun"+"Amy Sun "(3) The difference between a single-quote string and a double-quote string: Single-quote strings they really are literal values, contain only the

You need to define a to is able to use it elsewhere in your app as a TemplateRef . You can store these TemplateRef s in a Service and then access them the from any @Directive or in @Component your app.We want to create a service and a component together to store all the templates.ServiceImport {injectable, templateref} from "@angular/core"; @Injectable () Export class Templatesservice { New map();}Compoment:Import {Component, viewchild} from "@

The HTML code looks like this:1 DOCTYPE HTML>2 HTMLNg-app= "MYAPP"ID= "MYAPP">3 Head>4 Metaname= "Viewport"content= "Width=device-width" />5 title>Testtitle>6 Scriptsrc= "~/content/js/plugins/angularjs/angular.min.js">Script>7 Head>8 BodyNg-controller= "Mycontroller">9 {{msg}}Ten ahref= "javascript:;"ID= "Lbtntest">Calla> One Body> A HTML>The JavaScript code looks like this:1 varNgapp = Angular.module (' myApp '), []);2Ngapp.controller (' Mycontroller ',function($scope, $http

In Angular. JS, the instruction reference template and instruction are described as attributes. angular. jstemplate I. reference template Commands can be simply understood as functions running on specific DOM elements. commands can extend the functions of these elements. The command must take effect. The value of ng-app is the same as the module name of the definition command: angular.module('app',[]) Comp

Angular implements responsive forms and angular response forms Introduction Angular provides a total of three form implementation methods: Template-driven Forms (Template-driven Forms), Reactive Forms (responsive Forms), and Dynamic Forms (Dynamic Forms ). This article only describes responsive forms. What is a responsive form? In fact, the idea is similar to tha

Angular. JS learning dependency injection $ injector details, angular. jsinjector Preface Before dependency injection (IoC), it is very simple and straightforward to create an Object in the program, that is, to create a new Object in the code, we create, maintain, modify, and delete objects on our own. That is to say, we control the entire lifecycle of objects until they are not referenced and recycled. It

1.MVC IntroductionModel-view-controller A software architecture developed for programming languages in the the 1980s Smalltalk . The purpose of the MVC pattern is to implement a dynamic program design that simplifies the subsequent modification and expansion of the program, and makes it possible to reuse a part of the program. In addition, this mode makes the program structure more intuitive by simplifying the complexity. The software system is separated by the basic parts of itsel

By default, the response body doesn ' t contain all of the data that might is needed in your app. Your server might return some special header which you had to read explicitly. In such case we can use the { observe: ‘response’} configuration of the Angular HttpClient . Let ' s explore.Import {injectable} from ' @angular/core 'rxjs/observable 'httpresponse' @angular