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Prevent Caching in ASP.NET MVC for specific actions using an attribute
...h jQuery. jQuery calls back to a controller action that returns results in JSON format. I have not been able to prove this, but I'm concerned that my data may be getting cached.
...
how to bypass Access-Control-Allow-Origin?
...sponse.AddHeader("Access-Control-Allow-Origin", "*");
before my
return Json(model, JsonRequestBehavior.AllowGet);
And also my $.ajax was complaining that it does not accept Content-type header in my ajax call, so I commented it out as I know its JSON being passed to the Action.
Hope that help...
How can you sort an array without mutating the original array?
... a deep copy (e.g. if your array contains objects) can use:
let arrCopy = JSON.parse(JSON.stringify(arr))
Then you can sort arrCopy without changing arr.
arrCopy.sort((obj1, obj2) => obj1.id > obj2.id)
Please note: this can be slow for very large arrays.
...
What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
... answered Oct 14 '14 at 7:11
JSONJSON
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PHP: Count a stdClass object
I have a stdClass object created from json_decode that won't return the right number when I run the count($obj) function. The object has 30 properties, but the return on the count() function is say 1.
...
How can I add a key/value pair to a JavaScript object?
...value2"};
Object.assign(obj, {key3: "value3"});
document.body.innerHTML = JSON.stringify(obj);
Year 2018 answer: object spread operator {...}
obj = {...obj, ...pair};
From MDN:
It copies own enumerable properties from a provided object onto a new object.
Shallow-cloning (excluding prototype...
Could not load type 'System.Runtime.CompilerServices.ExtensionAttribute' from assembly 'mscorlib
...version="5.0.0" targetFramework="net45" />
<package id="Newtonsoft.Json" version="4.5.11" targetFramework="net45" />
</packages>
I changed the projects target framework back to 4.5, removed all NuGet libraries, went back down to 4.0 and re-added the libraries (had to use some prev...
How to access cookies in AngularJS?
...ontroller">
<h3>Cookies</h3>
<pre>{{usingCookies|json}}</pre>
<h3>Cookie Store</h3>
<pre>{{usingCookieStore|json}}</pre>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.19/angular.js"></script>
<script src="//...
Using PUT method in HTML form
...pen( "PUT", url );
xhr.setRequestHeader( "Content-Type", "application/json" );
xhr.onload = () => {
if ( xhr.status === 200 ) {
// reload() uses cache, reload( true ) force no-cache. I reload the page to make "redirects normal effect" of HTML form when submit. You can mani...
XMLHttpRequest cannot load file. Cross origin requests are only supported for HTTP
...our needs, but there is also a quick way to temporarily check your (dummy) JSON by saving your JSON on http://myjson.com. Copy the api link and paste that into your javascript code. Viola! When you want to deploy the codes, you must not forget to change that url in your codes!
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