Tag:Mask

  • Using raspberry pie 4B to construct deep learning application (12) mask

    Time:2020-11-21

    preface In the last article, we solved both the environmental and network problems. In this article, we try to use AI to make an interesting automatic mask application while covid-19 is still rampant all over the world. Opencv + CNN is mainly used to extract the coordinates of key points on the face, and then […]

  • Leetcode Weekly – 171 – 2

    Time:2020-10-17

    The minimum number of turns of the or operation Hi, everyone. I’m a pig. Welcome to the weekly leetcode quiz of the “baby can understand” series. This is the second question in issue 171 and the 1318 in the list of questions – “the minimum number of turns of or operation” Title Description Here are […]

  • Websocket you don’t know

    Time:2020-9-24

    This article will start with many aspects, and take you to explore websocket technology in all directions. After reading this article, you will learn the following: Understand the birth background of websocket, what is websocket and its advantages; Understand what APIs websocket contains and how to use websocket API to send plain text and binary […]

  • Put a mask on your goddess with Python ~

    Time:2020-9-22

    preface The new pneumonia epidemic, which starts to spread at the end of 2019, affects people’s hearts. As individuals, what we can do is to stay at home as much as possible and go out less. Seeing that some friends asked design classmates to help them put on masks for their head portraits, as technicians, […]

  • IOS 13.5 introduces new features, adds covid – 19 contact tracking API, and optimizes the face ID mask wearing unlocking scheme

    Time:2020-9-14

    Technical editor: mango fruit from the editorial departmentSegmentFault has he reported the official account number: SegmentFault It was reported on April 30 that Apple released the third beta version of IOS 13.5 for developers and the first beta version of Xcode 11.5 for developers. It added a tracking technology API, which can be used to […]

  • Introduction to programming to abandonment

    Time:2020-9-11

    preface The new pneumonia epidemic, which starts to spread at the end of 2019, affects people’s hearts. As individuals, what we can do is to stay at home as much as possible and go out less. Seeing that some friends asked design classmates to help them put on masks for their head portraits, as technicians, […]

  • Example code of mask layer + iframe to realize automatic display of interface

    Time:2020-8-25

    preface This week, because of the test of the third year of science, I had to go to the familiar examination room one day in advance, and the next day I had to take the exam. Fortunately, I came back the next night. I didn’t type the code for two days. This week, I wrote […]

  • Depth: handwritten a websocket protocol [7000 words]

    Time:2020-8-23

    At the beginning: Why use websocket protocol (hereinafter referred to as WS protocol) and what scenarios will be used? I used to do the development of IM related desktop software, based on a set of private protocols encapsulated by myself based on TCP long link. At present, the company has projects that use WS protocol. […]

  • JS to achieve mask effect

    Time:2020-8-19

    This example for you to share JS masked effect display specific code, for your reference, the specific content is as follows thinking 1. Click the monitor button2. Stop bubbling (the key point)3. Show the hidden4. Hide scroll bar5. Click on the document: get the click tagJudgment: hide all that is shownShow scroll bar <style> *{ […]

  • JQuery to achieve accordion effect (mask)

    Time:2020-8-16

    This example for you to share the jQuery accordion effect specific code, for your reference, the specific content is as follows code: <!DOCTYPE html> <html lang=”en”> <head> <meta charset=”UTF-8″> <title>Document</title> <style type=”text/css”> *{ padding:0; margin:0; } ul,ol{ list-style: none; } .box{ width: 900px; height: 300px; border:1px solid #333; margin:50px auto; position: relative; overflow: hidden; } […]

  • The easiest way to set fixed IP in Ubuntu!

    Time:2020-8-14

    Because the mouse sharing software needs to use the network connection, the IP of the desktop computer always changes, causing the laptop to reconfigure the IP every time it restarts. So I set the fixed IP for Ubuntu. The method is very simple, and it can be configured directly in the system settings. 1. View […]

  • Three implementations of Android night mode

    Time:2020-7-22

    There are many ways to realize the night mode. After many attempts, we have found a way with high cost performance. Thematic approach This is the most orthodox approach, but it’s a lot of work because you have to globally replace all hard coded color values in the XML layout with theme colors. Then through […]