How to use PPI? Summary of PPI instance usage

This article mainly introduces relevant information on the detailed explanation of the legal domain name configuration of the WeChat applet wx.request. Friends in need can refer to the WeChat applet wx.request legal domain name configuration with appid, and trouble begins. Problems arise. :xxx is not in the following list of legal domain names, please refer to the document solution: Go to the WeChat public platform to configure the domain name. Note: 1. Apply for modifications three times a month, and do it and cherish it. I only have one chance this month. 2. Must It is HTTPS. HTTPS SSL certificate [Related recommendations] 1. Complete source code of WeChat applet 2. WeChat applet demo: Yangtao 1. Detailed introduction to wx.request domain name configuration: This article mainly introduces the legal domain name of WeChat applet wx.request For information related to the configuration details, friends who need it can refer to 2. Introduction to the detailed explanation of the legal domain name configuration of the WeChat applet wx.request: This article mainly introduces the relevant information related to the detailed explanation of the legal domain name configuration of the WeChat applet wx.request. Friends who need it can refer to Refer to the following 3. WeChat Xiaocheng

1. Recommended courses on legal domain name configuration

Introduction: This article mainly introduces the relevant information on the detailed explanation of the legal domain name configuration of the WeChat applet wx.request. Friends in need can refer to the WeChat applet wx.request legal domain name configuration and addition. Once you get the appid, trouble begins. Problem: xxx is not in the list of legal domain names below. Please refer to the document. Solution: Go to the WeChat public platform to configure the domain name. Note: 1. Apply for modifications three times a month, and do it and cherish it. I only have one chance this month. 2. It must be HTTPS. HTTPS S...

2. 10 recommended articles about simple types

Introduction: This article mainly introduces the json data interaction controller method of springmvc. The return value is a simple type, which is of great practical value. Friends in need can refer to how to interact with json when the return value of the controller method is a simple type such as String? Use @RequestBody. For example, the code is as follows: @RequestMapping(value="/ceshijson",produces="applic...

##3. 10 recommended articles about payment development Chapter

##Introduction: This article introduces the development process of card payment under WeChat payment. The user opens the card swiping interface of the WeChat wallet, and the merchant scans the QR code to submit the payment process. 1. Whether the card payment API interface address api.mch.weixin.qq.com/pay/micropay requires a certificate is not required. Name Variable name Required type Example value Description Public account IDappid is String(32)wx8888888888888888 The public account ID assigned by WeChat (enterprise...

4.

Share a simple Mini program demo

Introduction: Preface This is a relatively simple mini program demo that can be easily recorded It’s just text notes, written two months ago. Not long after I finished writing, I was busy with the exam... From the first time I came into contact with the small program to the time I finished writing the project, it took less than a day. The server is my own cloud server ( Don’t mess with it!), written in php, I won’t say much, just watch the demo~ github mycloudnote client mycloudnote server side Note: Since I did not apply for the appid, I cannot get the user’s WeChat account ID. Inside...

5.

A brief introduction to the steps to develop WeChat mini programs

Introduction: WeChat application account (mini program, the new name of [application account]) is finally here! Everyone must be concerned about what the final form of the application account will look like? How to transform a [Service Account] into a [Mini Program]? Before you start developing an application account, take a look at the official [Mini Program] tutorial! Yingqu Technology, a WeChat mini program development company, will take you through the initial creation of a WeChat mini program and experience the actual effect of the mini program on your mobile phone. 1. Obtain the AppID for WeChat applet development. First, we need to have an account. If you can see this document, we should have invited...

6. Share A personal experience in developing mini programs

# Introduction: WeChat mini programs have been out for a while. I have recently written several WeChat mini program projects, and today I will talk about my feelings. First, develop a WeChat applet. The most important thing is to operate it for the company, because when applying for the appid (WeChat applet ID number), you need to fill in relevant company certification information such as business license, etc. Again, you need to use an unknown number. Register a WeChat mini program account through the official QQ account or WeChat account. Finally, download the WeChat applet development tool.

7. What is the content after MySQL is installed and initialized?

##Introduction: [root@cdcloud ~]#service mysqld restart Stopping MySQL: : Installing MySQL systemtables... OK Filling helptables... OK

8.

Share a small program development experience

Introduction: This is the first time I have officially developed a small program. Let me talk about the development process and experience of the small program from the following aspects. Mainly: The functions used in this project. Data Request This mini program does not have many additional functions, so data and data processing are the main work this time. The mini program provides users with APIs for users to request data from their own servers. It is worth mentioning that , before developing a mini program, you need to apply for an appID on the WeChat public platform and bind a domain name. The domain name must be https protocol, and then complete the information in the configuration information of the mini program development tool...

9.

First introduction to the basics of WeChat mini program development (1)

Introduction: This tutorial is the first of the WeChat mini program development tutorials. I will briefly introduce some basic knowledge related to WeChat mini program development. Obtain AppID. If you are an invited developer, we will provide an account. Use Provided account, log in to https://mp.weixin.qq.com, and you can view the AppID of the WeChat applet in the "Settings" and "Developer Settings" of the website. Note that you cannot use the service account or subscription account directly. AppID. The above content comes from WeChat’s official tutorial. According to WeChat official...

10.

Resolution, pixels and PPI detailed introduction

Introduction: Screen size refers to the length of the diagonal of the screen, generally in inches, 1 inch (inch) = 2.54 centimeters (cm). Photo size in the traditional sense is also the same concept. Therefore, screens of the same size (referring to diagonal) may have different aspect ratios. Pixel: It is an abstract concept in bitmaps (such as digital images). It refers to the sampling points of the image by the computer and has no specific size. The popular understanding is that each box (point) is one by one, and the computer will save the position and color value of the sampling point.

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