routes

问题 This question already has answers here : Are global variables thread safe in flask? How do I share data between requests? (2 answers) Closed last year . I am learning Flask and have a question regarding use of variables in the context of routes.For Example, my app.py: from flask import Flask, render_template app = Flask(__name__) @app.route("/index") def index(): a=3 b=4 c=a+b return render_template('index.html',c=c) @app.route("/dif") def dif(): d=c+a return render_template('dif.html',d=d)

问题 I am working on a Ruby on Rails 3(.0) application that uses a Rails engine. However, in my local application, I want to override one of the routes provided by the Rails engine. From the engine config/routes.rb: match 'their_named_route' => 'controller#action', :as => 'the_route' From my application config/routes.rb: match 'my_named_route' => 'controller#action', :as => 'the_route' However, when I inspect the routes, both seem to be active (and their route appears to "win", at least within the

问题 I'm trying to use routing in CI to create a signup form signup is re-routed to user/signup But my signup function can contain a paramater: function signup($type = 1) How can I make this optional via routing? I tried $route['signup/?(:num)'] = 'user/signup/$1'; , but when going to /signup I'm getting a 404, only /signup/1/ works. 回答1: The clearest way to express this would probably be to declare both routes: $route['signup'] = "user/signup"; $route['signup/(:num)'] = "user/signup/$1"; 回答2: For

问题 I'm trying to define an optional query parameter that will map to a Long , but will be null when it is not present in the URL: GET /foo controller.Foo.index(id: Long ?= null) ... and I essentially want to check if it was passed in or not: public static Result index(Long id) { if (id == null) {...} ... } However, I'm getting a compilation error: type mismatch; found : Null(null) required: Long Note that implicit conversions are not applicable because they are ambiguous: both method

问题 So I'm building a Rails site that needs routes based on two different types I have a Language model and a Category model So I need to be able to go to a language route /ruby to see top ruby resources and also go to /books to see top books in all languages I tried routes like this get '/:language', to: "top_voted#language" get '/:category', to: "top_voted#category" the problem with that was the logic could not figure out the difference between the two and caused some conflicts on the back end

问题 So I'm building a Rails site that needs routes based on two different types I have a Language model and a Category model So I need to be able to go to a language route /ruby to see top ruby resources and also go to /books to see top books in all languages I tried routes like this get '/:language', to: "top_voted#language" get '/:category', to: "top_voted#category" the problem with that was the logic could not figure out the difference between the two and caused some conflicts on the back end

问题 I am trying to follow the Railscast 241 Simple OmniAuth and it works fine unless I have Route Globbing at the end of /config/routes.rb : match '*uri' => "posts#index" If I request /auth/twitter with the globbing then OmniAuth does nothing: Started GET "/auth/twitter" for 127.0.0.1 at 2011-04-03 19:17:44 +0200 Processing by PostsController#index as HTML Parameters: {"uri"=>"auth/twitter"} Rendered posts/index.html.haml within layouts/application (9.0ms) Completed 200 OK in 103ms (Views: 14.6ms

问题 I have a payment system using node.js and braintree, when the payment is successful I want to send the user to the back end. My back end is setup elsewhere. I have tried res.writeHead(301, {Location: 'http://app.example.io'} ); res.end(); So window.location is obviously not available. I cant think of any ways to redirect a user? 回答1: You can do res.redirect('https://app.example.io'); Express docs: https://expressjs.com/en/api.html#res.redirect 回答2: The selected answer did not work for me. It

问题 I have a payment system using node.js and braintree, when the payment is successful I want to send the user to the back end. My back end is setup elsewhere. I have tried res.writeHead(301, {Location: 'http://app.example.io'} ); res.end(); So window.location is obviously not available. I cant think of any ways to redirect a user? 回答1: You can do res.redirect('https://app.example.io'); Express docs: https://expressjs.com/en/api.html#res.redirect 回答2: The selected answer did not work for me. It

问题 I'm trying to toggle (hide/show) a loading gif on every new route, so my logic would be: routeChangeStart = show loading gif routeChangeSuccess = hide loading gif This is my code: //ANGULAR app.run(function($rootScope) { $rootScope.layout = {}; $rootScope.layout.loading = false; $rootScope.$on('$routeChangeStart', function() { //show loading gif $rootScope.layout.loading = true; }); $rootScope.$on('$routeChangeSuccess', function() { //hide loading gif $rootScope.layout.loading = false; });