Archives | Joe

2023

04

30

AWS 0-04 - intro to CFN, CW, Shared Responsibility

CFN(CloudFormation) Intro A tool helps you create, delete, updating infrastructures using template Written in YAML and J

2023-04-30 Self-Study

30

AWS 0-03 - Intro to EC2, S3

EC2 Intro EC2 is IAAS(Infrastructure as Service) Provide access to virtual machine known as instance, an instance is an

2023-04-30 Self-Study

aws EC2 S3

29

AWS 0-01 - set up account, IAM

Basic Workflow for Setup An AWS Account1. Register register different AWS accounts for different purposes like: producti

2023-04-29 Self-Study

aws aws-account IAM

29

AWS 0-02 - intro to network zones, infrastructure, VPS

AWS Network Zones Public Internet Zone AWS Public Zone: public service on this zone， anyone can connect to, but need p

2023-04-29 Self-Study

aws network-zones VPC

11

How to squash commits into one

use git log --online to check all your commits history in a brief form. find the hash head of the first commit you wan

2023-04-11 Tips

git

01

17

Function return type trap in TS.

In TS there is a trap for function’s return type function a { b(); } function b { // some operations return

2023-01-17 Attention

typescript

14

Javascript logical operators tips

逻辑判断符var a = b || c || d || e var a 的值是从左到右第一个为true或者有值的变量 var a = b && c && d && e va

2023-01-14 Tips

javascript

2022

12

23

Advanced CSS&Sass 12 - grid

Grid TerminologyGrid structure： CSS Attribute： grid-template-rows, grid-template-columnsusage: start and endusage: s

2022-12-23 Self-Study

css front-end SASS

21

Advanced CSS&Sass 11

blockquote标签使用blockquote标签来标出另一个来源的文本：可以在CSS中直接使用html entity用法：效果：

2022-12-21 Self-Study

css front-end SASS

21

Java Virtual Machine 05 - Reading Note

第二章结结构常量池是在方法区中用来放基本类型常量的（public static final）JDK 7以下也放字符串，JDK 7以上字符串放到了堆中 JDK 8 之后方法区被放在本地的元空间取代对象结构在给新对象分配内存时，堆内内

2022-12-21 Self-Study

java java-virtual-machine