Programmer Think

There are many tutorials about SPI. Here is a summary of my study of SPI protocol. What is SPI? SPI is the abbreviation of Serial Peripheral Interface Bus, which means serial peripheral interface. It is a synchronous serial communication interface standard for short distance communication, mainly used in embedded system. This in ...

Page Layout 1> An html page is made up of: head part, body part, internal css, internal js, external css, external js.Therefore, a layout file also needs to be split against these.     2> Create a new oneLayout.goController.Write an instance that references the layout file.The code is as follows: package controllers import ( "github.co ...

It is known that the current stable version of Vue is 2.6.x, and the subsequent version is 2.7.x (part of vue3 content is added). After 18 months of maintenance, except for the security vulnerability update, the rest will not continue to update. Explain that we will embrace the era of vue3.0 in an all-round way Information about the compatibili ...

1. Feedback from fans Q: stream is five times slower than for loops. What is the reason for this? Answer: The Internet is a time when news is flooding. Three people become tigers when something is false and real happens.As a technology developer, you have to do it yourself. Don't let the world go by. Indeed, I've read this article by this fan, ...

Author: attapulgite - Anthology background Attaman is a small program developer, he wants to implement the countdown of seconds in small programs. Without thinking about it, he wrote the following code: Page({ init: function () { clearInterval(this.timer) this.timer = setInterval(() => { // Countdown calculation logic c ...

OKHttp quick start OKHttp quick start Synchronization request get Asynchronous request get post Set request header Download File encapsulation Interceptor Application interceptor Network connector OKHttp quick start Official website: https://square.github.io/okhttp/ Code warehouse: https:/ ...

Write at the beginning Recently, the official account of React-native is the main attack. By the way, I will review the next React-native. Node.js And cross platform direction, architecture and Debug If you are interested in the proposal, we should recommend the following official account. https://mp.weixin.qq.com/s/RsvI5AFzbp3rm6sOlTmiYQ Of ...

Original:https://www.fluentcpp.com/2018/12/25/free-ebook-smart-pointers/ One thing that quickly confuses your c++ code and hinders its readability is memory management.If you don't do it well, this can turn a simple logic into an inexpressive chaotic management and leave your code out of control of memo ...

Recent original articles review: GreatTsconfig.jsonGuide Great Webpack HMR Learning Guide with Source Analysis Outside Story of Blob You Don't Know Outside of WeakMap You Don't Know Webpack is a hot front-end packaging tool and is essentially a static module bundler for modern JavaScript applications.When a Webpack processes an application, ...

In the last search function, some fans mentioned whether it can be set as optional search criteria. Naturally, the answer is yes, so I added a drop-down option based on the previous week Effect display Here I implement the function of drop-down item based on the two ways of select tag and a tag. ...