Jingdong express home-to-door Collection - online order API interface development

preface In recent years, the scale of e-commerce transactions in China has become larger and larger, online orders are more and more, and the situation of goods return and exchange is more and more common. Return and exchange is an important part of online shopping process, and also an important aspect of reflecting the service level of e-comm ...

Posted on Wed, 20 May 2020 04:56:39 -0700 by burtybob

Understand: front end cross domain problems JS solving cross domain problems VUE agent solving cross domain problems principle

What is cross domain Cross domain: a document or script in one domain attempts to request resources in another domain The broad cross domain includes the following contents: 1. Resource jump (link jump, redirect jump, form submission) 2. Resource request (internal reference, script, picture img, frame) 3.script internal requests (ajax, dom r ...

Posted on Wed, 20 May 2020 03:27:59 -0700 by lavender

Vue component communication values (parent-child component communication / brother component communication / cross level communication)

First: Props / $emit Father child Props // Parent component<template> <div id="app"> <users v-bind:users="users"></users>//The former is easy to call for subcomponents, while the latter needs to pass data names </div> </template> <script> import Users from "./components/Users" export default { ...

Posted on Wed, 20 May 2020 02:52:06 -0700 by oc1000

Emerging Learning Spring MVC

Preface Only a bare head can be strong. Text has been included in my GitHub featured article. Welcome to Star: https://github.com/ZhongFuCheng3y/3y This Spring MVC has been pushed for a long time and has been very, very busy this time because of the integration of the system.This weekend I returned to the article Corporate Liver earlier. If ...

Posted on Tue, 19 May 2020 18:52:21 -0700 by Andrei

Convert DataTable to List

I have learned the previous article< Convert list < T > to DataTable>http://www.cnblogs.com/insus/p/8043173.html In that article, we will learn to reverse and convert datatable to list < T >. This method is widely used. In many cases, the data read from the data is a DataSet or a DataTable. You need to convert them to list &l ...

Posted on Mon, 18 May 2020 08:54:16 -0700 by SauloA

Encountered a fastjson assignment problem

Background: there is a change in requirements, and a modification scheme is determined. The test finds that there is a code to be modified. Is a json string. The project uses fastjson. The logic here is: first take out a JSONObject obj, and then take out a JSONArray jarr from it. The jarr add is a key value pair of JSONObject type, and then the ...

Posted on Thu, 14 May 2020 21:58:57 -0700 by Dixen

The implementation of flash restful API and the basic permission control based on flash httpauth

This series of tutorials is divided into four stages 1.flask restful web service 2.flask restful api 3. Flash httpauth realizes authority control 4.uwsgi management flask application   In the previous article, we introduced and studied the related content of implementing restful web services with flash. On this basis, we will develop and study ...

Posted on Thu, 14 May 2020 01:56:03 -0700 by ChibiGuy

The most complete data type conversion method of Python 3 is sorted out, which can be collected for manual use

This paper is based on python3.8 Version, summarizes the direct conversion rules and methods of various data types. It's quite complete. You can collect it as a manual to check.   summary Data type conversion refers to the conversion of one data from the original type to another type by some means. For example, we convert the string "123&q ...

Posted on Wed, 13 May 2020 23:57:26 -0700 by richardwarren

Using the code cloud (gitee) to make a free chart bed V2.0

effect preface The first edition has been completed. This article is based on the first edition. For detailed articles of the first edition, please refer to > >https://blog.csdn.net/pyfysf/article/details/103990753 https://www.cnblogs.com/upuptop/p/12197125.html The preview of the first version has been completed. A ...

Posted on Wed, 13 May 2020 02:05:53 -0700 by warren

Handwritten new, call, apply, bind, reduce, currying, anti shake and throttle source code, with detailed analysis

These are mainly written for review and precipitation. In the process of re writing, I will also put forward my own understanding, and I hope to point out some inappropriate points. I recommend an online IDE here. I will use it when I type some code demo StackBlitz , which is easier to use, but it is recommended to update when saving instead o ...

Posted on Fri, 08 May 2020 23:00:55 -0700 by jponte