Django uses the request and response objectsWhen requesting a page, Django wraps the requested metadata data into a HttpRequest object, and Django loads the appropriate view method, passing the HttpRequest object as the first argument to the view
Recently Old and HttpContext, HttpRequest, HttpResponse HttpRuntime, httpserverutility these objects to deal with. It's time to put them down.
A HttpRuntime exposes a static method UnloadAppDomain (), which allows us to restart the site with code.
Features of the View:Receives the request, processes it, and returns the reply.The contents returned by the view are:
HttpResponse object or Sub-object
Render returns an object of HttpResponse
Jsonresponse is a subclass of
Type: system. web. httprequestWhen a browser requests a page from a server, this behavior is called a request ).The methods and attributes of the httprequest class are made public through the request attributes of the httpapplication, httpcontext,
I. Class loader basic concepts 1. Get the class binary bytecode file 2. Convert to Class object (DefineClass () method) 3. Instantiate object two with newinstance (). The tree-like structure of the ClassLoaderThe ClassLoader in Java can be broadly
Preface
I haven't been here to talk about it for a long time. Some time ago I made a project that uses Vista gadget. It's rare to use a technology that I have never touched before to do things. Naturally, I have a lot of GAINS and experiences to
This article is reproduced in crazy ants.First, the core concept of the processing processAs shown in Django's overview map, take the following Django composition as a whole:The core is that middleware Middleware,django all requests and returns are
First, some other things related to Django (preparations) are as follows:
If Apache/mod_python provides services, the request is sent to the Django. Core. Handlers. modpython. modpythonhandler instance created by mod_python to Django.
If it is
Detailed Description: Custom ajax supports cross-origin component encapsulation and ajax
Class. create () Analysis
Create class inheritance like prototype
var Class = { create: function () { var c = function () { this.request.apply(this,
Thread dump and Java application Diagnosis
Thread dump is a very useful tool for diagnosing Java application problems. Every Java Virtual Machine can generate thread-dump that shows all threads in a certain state in a timely manner. Although the
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