AngularJS "caching" on slow internet connection :(

Question

I've a simple angularjs application like:

module = angular.module 'testFooBarModule', ['ngResource']

module.factory 'FooBar', ($resource)->
    $resource 'foobar/target', {},
        load:
            method: 'GET'
            cache: false # no effect
            headers: 
                'Cache-Control': 'no-cache' # no effect

module.controller 'FooBarCtrl', ($scope, FooBar)->
    FooBar.load (result)->
        console.log result

With highspeed internet like home wlan or mobile hspa everything works fine. The request has fired and the server gives me a unique response. But with 2G internet like edge or gprs the server receives no requests and the angularjs app give me always the same results. No errors occur. The "no-cache" header were sended as well.

I've no idea what's wrong. Can anyone help me?

Sry for my english :D

best regards.

So far I've seen others solving this problem by adding a dynamic param (such as timestamp) to GET request, to simulate new request. Haven't seen usage of no-cache in such case. — Mikl X
– Mikl X, Commented Feb 26, 2015 at 1:52

tbaum · Accepted Answer · 2015-02-26 18:10:02Z

2

Thats probably not an angular issue. My guess is the internet-provider is doing some magic http-proxying to safe bandwidth or your underlying OS is trying to cache it for you.

Some options:

using HTTPS should prevent provider man-in-the-middles and for mobile apps in any case a good idea!
using a clumsy dynamic parameter like a timestamp
use POST or PUT as verbs
add the 'Cache-Control: no-cache' header in the server-response, which I think the is the most-clean solution

answered Feb 26, 2015 at 18:10

tbaum

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