Tag：Overall situation
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Time：2020-10-28
preface: The interface of IOS is divided into status bar, navigation bar, main interface and bottom status bar. This article describes the operation of the status bar. 1: Height of status bar: The framework is automatic layout and adaptive, so a macro definition is provided to represent the height of the status bar When […]
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Time：2020-10-28
numerical calculation 1. Overflow and underflow The first problem of numerical calculation is the overflow and underflow. Overflow means that the value is very large, overflow is Nan value, while underflow means that the value is very small, and underflow is 0. Numerical overflow is likely to lead to numerical calculation problems, so corresponding solutions […]
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Time：2020-10-25
Today is the seventh in the series. It’s a little late. The last article talked about the execution context and call stack. But later, I found that there is another knowledge point of block scope that has not been mentioned, so I intend to supplement this content in this article. In addition, there are some […]
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Time：2020-10-20
Reading guide How to realize the idempotency of reprint? Learn more about it!!! In this era, people may be most concerned about money. Have you ever thought that your bank transfer to you did not transfer more than once, either failed or succeeded. Why can’t you make a mistake and transfer more? Wake up, young […]
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Time：2020-10-19
1、 Background note 1.1Exchange 2013 learning notes 14: address listUnder all users, the “it” address list is created, but it is not included in the “default global address list”. 2、 Add address list to default offline address book 2.1 on the exchange server DC1, click the windows start menu, find “exchange manager shell”, and then […]
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Time：2020-10-18
dvajsIt is a set of scaffolding written by Alibaba based on Elm concept for react / Redux technology stack. Two years ago, because antd started to come into contact with the scaffold. I really need this scaffold. For beginners, it’s hard to integrate react / Redux / react Redux / react router / react router […]
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Time：2020-10-16
In the current folder, enter the CMD call out console in the address bar.1. Initialization projectnpm initInitializing the project,npm init -yGenerate default configuration. 2. Image address settingTo view the currently used image address:npm get registryDefault image address:https://registry.npmjs.org/Configure Taobao image address:npm config set registry https://registry.npm.taobao.org 3. Install the moduleNPM install module nameInstall the latest version of […]
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Time：2020-10-15
Node.js Download for Download and install. new edition Node.js Self contained NPM package manager #View the version of node node -v # v12.16.1 #View NPM version npm -v #6.13.4 first Node.js Program, new helloworld.js Document, which reads as follows console.log（”Hello World”） console.log (“the first one Node.js Program!) Access terminalnode helloworld.js Construction of Vue cli scaffold […]
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Time：2020-10-14
Electron installation Electron uses pure JavaScript to call rich native APIs to create desktop applications. Initializing an electronic application is very simple. First, make sure that node is installed in the computer, and the node version is above 10. A basic directory of electronic applications your-app/ ├── package.json ├── main.js └── index.html stay package.json It’s […]
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Time：2020-10-12
Finally, I have opened the simplest version of node notes. Big guy can make a detour~~ 1、 Introduction Node.js It is a JS based on chrome V8 engineOperating environmentThe biggest feature is that it can only run one task at a time. An event driven, non blocking I / O mode is used. 2、 Basic […]
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Time：2020-10-10
[toc] preface Function point This paper is mainly based on the practical records of Axios encapsulation and API management in vuecli3 project and the harvest in the process. The functions are basically implemented according to the work requirements. The requirement background is to realize the following main functions under the same set of request configuration: […]
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Time：2020-10-9
Git configure HTTP proxy We often encounter the problem of slow cloning of GitHub. Here we record several methods of configuring git agent to solve the problem of clone GitHub being too slow. catalog Git configuration agent Git configures GitHub agent separately Git configure global proxy Configure terminal environment variables Git configuration agent Main usegit […]
