Programmer Group

I. Concept and Origin LVM: Logical Volume Manager Ordinary disk partition management can not change its size after logical partition is well divided. When a logical partition can not store a file, the file can not be stored across multiple partitions because of the limitation of the upper file system, so it can not be placed on multiple disks ...

Refactoring is not a complete denial of previous code, but a better way to write better, more maintainable code.Continuous pursuit and learning will lead to more progress. 1. Preface Front-end development has been in progress for some time, during which time, for their own requirements, not only can the project be completed, b ...

Front words The author is doing a complete blog online project, including Reception,Backstage,Back-end interface Server configuration. This article will introduce in detail the blog website made with vue family bucket.   Summary This project is a set of blog front page based on Vue family bucket (vue, vue-router, vuex, vue SSR). Its main fu ...

There are three places where macOS is most likely to generate spam files: Xcode, iTunes and VMWare virtual machines. 1. Garbage generated by Xcode On the command line, cd to the ~/Library directory, enter the command: sudo du -d 1 -h Seeing that Developer occupies 59 G, cd to Developer directory continues to locate large files with the du com ...

First of all, thank Xiaochen Master and Edison Chou for their reviews! Thank you for reading too! Introduction Usually, the resources and APIs exposed by services must be restricted to trusted specific users and clients. The first step in making API-level trust decisions is identity authentication -- determining whether a user's ...

In the last article Service Worker Learning and Practice (2) - Introduction to PWA The origin, advantages and disadvantages of PWA have been discussed. A simple example is given to illustrate how to install a PWA on the desktop and mobile. This article will illustrate how to use the message push function of Service Worker and bring the native a ...

Foreword: Start-up self-start function may be relatively rare in daily development, but there are still some industries that need this kind of demand. My colleagues studied it for some time before, but the results were not satisfactory. This is largely related to Android's mobile phone system, which is well known to have been c ...

My favorite sister was killed when she played chicken for three minutes, but she could not run away and died of blood loss in the middle of the road. She was sniped by bullets in an unknown direction while standing in the grass. What else can I do - save her with what I've learned all my life, of course! __________ Where is t ...

Javascript Design Mode-Factory Mode I understand that factory mode is a mode that provides a unified entry for multiple related classes, so that you can get multiple classes from one entry and improve your productivity. However, there are also three types of implementations for factory mode: simple factory mode, factory method mode and ab ...

Migrate the TensorFlow trained model to Android APP (TensorFlowLite) 1. Write in front Recently, I'm working on an APP for digital gesture recognition (for this project, I'll write another blog about it, blog address: Step by Step Make a Digital Gesture Recognition APP The source code is already available on github. Chines ...