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Author SHA1 Message Date
026dc585a8 released v1.28.0 2022-11-27 22:44:27 +08:00
d09737fcda doc: update flutter.md #179 #58 2022-11-27 22:42:25 +08:00
029e2751c4 feat: add nextjs.md cheatsheet. 2022-11-27 22:33:24 +08:00
0a4bd03900 doc: update flutter.md (#179)
* doc: update flutter.md

* doc: update flutter.md
2022-11-27 17:17:10 +08:00
fe7782a0c4 doc: update github-actions.md #170 2022-11-27 10:22:20 +08:00
9751df06b9 doc: update rust.md (#178)
* doc: match let

* update
2022-11-27 01:52:50 +08:00
7 changed files with 2002 additions and 9 deletions

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@ -27,7 +27,7 @@ Quick Reference
[Flutter](./docs/flutter.md)<!--rehype:style=background: rgb(150 220 254);&class=contributing tag&data-lang=Dart-->
[Gitlab CI/CD](./docs/gitlab-ci.md)<!--rehype:style=background: rgb(226 67 41);&class=contributing-->
[LaTeX](./docs/latex.md)<!--rehype:style=background: rgb(0 128 128);&class=contributing-->
[Lua](./docs/lua.md)<!--rehype:style=background: rgb(3 3 128);-->
[Lua](./docs/lua.md)<!--rehype:style=background: rgb(3 3 128);&class=contributing-->
[NestJS](./docs/nestjs.md)<!--rehype:style=background: rgb(237 21 67);&class=contributing-->
[MATLAB](./docs/matlab.md)<!--rehype:style=background: rgb(0 118 168);&class=contributing-->
[Oracle](./docs/oracle.md)<!--rehype:style=background: rgb(255 0 0);&class=contributing tag&data-lang=SQL-->
@ -84,6 +84,7 @@ Quick Reference
[HTML](./docs/html.md)<!--rehype:style=background: rgb(228 77 39);-->
[JavaScript](./docs/javascript.md)<!--rehype:style=background: rgb(203 183 31);-->
[Less.js](./docs/lessjs.md)<!--rehype:style=background: rgb(29 54 93);&class=tag&data-lang=CSS-->
[Next.js](./docs/nextjs.md)<!--rehype:style=background: rgb(0 0 0);&class=tag&data-lang=React-->
[React](./docs/react.md)<!--rehype:style=background: rgb(34 143 173);-->
[RegEx 正则表达式](./docs/regex.md)<!--rehype:style=background: rgb(149 36 155);-->
[TypeScript](./docs/typescript.md)<!--rehype:style=background: rgb(49 120 198);-->

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@ -0,0 +1,3 @@
<svg viewBox="0 0 15 15" fill="none" xmlns="http://www.w3.org/2000/svg" height="1em" width="1em">
<path fill-rule="evenodd" clip-rule="evenodd" d="M0 7.5a7.5 7.5 0 1 1 11.697 6.216L4.907 4.21A.5.5 0 0 0 4 4.5V12h1V6.06l5.83 8.162A7.5 7.5 0 0 1 0 7.5ZM10 10V4h1v6h-1Z" fill="currentColor"/>
</svg>

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@ -421,8 +421,6 @@ SizedBox(
在实际开发中Container常常用于对一个组件进行包装修饰。
```dart
// 将Contianer大小固定为100 * 100 背景色为蓝色。
// 把Text包裹在Container中并将其居中
Container(
width: 100,
height: 100,
@ -430,9 +428,10 @@ Container(
alignment: Alignment.center,
child: Text('Hello world'),
),
```
将 `Contianer` 大小固定为 `100 * 100` 背景色为蓝色。把 `Text` 包裹在 `Container` 中,并将其居中
### Column
列布局(Column),可以将多个子组件沿着垂直的方向摆放(竖的摆放)
@ -461,7 +460,6 @@ Column(
行布局(Row),可以将多个组件沿水平的方向摆放。
```dart
// 在同一行摆放3个Button
Row(
children: [
ElevatedButton(
@ -480,12 +478,13 @@ Row(
),
```
在同一行摆放 3 个 `Button`
### Wrap
将子组件从左到右依次排列,当空间不足时自动换行。
```dart
// 显示多个Flutter 的logo并自动换行
Wrap(
children: [
FlutterLogo(),
@ -498,14 +497,14 @@ Wrap(
),
```
显示多个 `Flutter` 的 `logo` 并自动换行
### Stack
Stack 可以将一多个子组件叠在一起显示。堆叠顺序按照children属性中的列表依次堆叠摆放默认将子控件沿左上角对齐。
需要控制子控件位置可以嵌套`Positoned`控件。
```dart
// 依次堆叠300*300的蓝色色块、200*200的黑色色块、
// 100*100的黄色色块
Stack(
children: [
Container(
@ -527,6 +526,8 @@ Stack(
),
```
依次堆叠 `300*300` 的蓝色色块、`200*200` 的黑色色块、`100*100` 的黄色色块
### Positioned
<!--rehype:wrap-class=row-span-2-->
若需要控制Stack中子控件的位置则可以嵌套改控件。
@ -603,6 +604,131 @@ Container(
),
```
### Flex
Flex 的用法与 `Row` 或 `Column` 类似,但只需要额外传入 `direction` 参数
- `Row` 和 `Column` 组件都继承 `Flex` 组件
- 设置 `direction` 为 `Axis.horizontal` 表示水平方向(`Row`),为 `Axis.vertical`则为垂直方向(`Column`)
垂直方向依次摆放3个flutter logo
```dart
Flex(
direction: Axis.vertiacl,
children[
Fluterlogo(),
Fluterlogo(),
Fluterlogo(),
],
),
```
水平方向依次摆放 3 个 flutter logo
```dart
Flex(
dirction: Axis.horizontal,
children: [
Flutterlogo(),
Flutterlogo(),
Flutterlogo(),
],
),
```
### Expaneded
<!--rehype:wrap-class=row-span-2-->
Expanded 用于扩张一个子组件。可以通过 `flex` 属性,用于表示该组件相对其他弹性组件放大的倍数(可以理解为一个权重)。
```dart
// Container 会占满剩余的全部空用空间
Row(
children: [
FlutterLogo(),
Expanded(
child: Container(
child: FlutterLogo(),
color: Colors.green,
),
),
FlutterLogo(),
],
),
// 按照1:2 的比例分配一整行的空间
Row(
children: [
Expanded(
flex: 1,
child: Container(
child: FlutterLogo(),
color: Colors.green,
),
),
Expanded(
flex: 2,
child: Container(
child: FlutterLogo(),
color: Colors.blue,
),
),
],
),
```
### Flexible
<!--rehype:wrap-class=row-span-2-->
`Flexible` 是 `Expanded` 组件的父类。
与 `Expanded` 不同的是,`Flexible` 可以通过 `fit` 属性设置子控件是否必须占满 `Flexibal` 扩展的空间。而 `Expaned` 默认子控件必须占满
```dart
// 如果将fit设置为tight
// 则绿色Container 和蓝色Container大小一样。
// 如果将fit设置为loose
// 则两个Flexible扩展的空间大小是一样的
// 但绿色Container并不会填充整个扩展的空间。
Row(
children: [
Flexible(
flex: 2,
// fit: FlexFit.tight,
child: Container(
child: FlutterLogo(),
color: Colors.green,
),
),
Expanded(
flex: 2,
child: Container(
child: FlutterLogo(),
color: Colors.blue,
),
),
],
),
```
将 `Flexible` 的 `fit` 属性设置为 `tingt`,就等价于使用 `Expanded`
### Spacer
Spacer 用于在布局中留白
```dart
Row(
children: [
Text('Item'),
Spacer(),
FlutterLogo(),
],
),
```
例如,需要文本和图标位于一个行的两端,而中间留白时。就可以使用 `Spacer`
另见
---

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@ -924,8 +924,273 @@ steps:
NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
```
当 `npm` 推送包失败不影响整个流程,可用于自动发包
GitLab CI/CD 迁移到 GitHub Actions
---
### 语法示例
<yel>GitLab CI/CD</yel>
```yml
job1:
variables:
GIT_CHECKOUT: "true"
script:
- echo "Run your script here"
```
GitHub Actions
```yml
jobs:
job1:
steps:
- uses: actions/checkout@v3
- run: echo "Run your script here"
```
### 运行程序
<!--rehype:wrap-class=row-span-2-->
<yel>GitLab CI/CD</yel>
```yml
windows_job:
tags:
- windows
script:
- echo Hello, %USERNAME%!
linux_job: tags:
- linux script:
- echo "Hello, $USER!"
```
GitHub Actions
```yml
windows_job:
runs-on: windows-latest
steps:
- run: echo Hello, %USERNAME%!
linux_job:
runs-on: ubuntu-latest
steps:
- run: echo "Hello, $USER!"
```
在不同的平台上运行作业
### Docker 映像
<yel>GitLab CI/CD</yel>
```yml
my_job:
image: node:10.16-jessie
```
GitHub Actions
```yml
jobs:
my_job:
container: node:10.16-jessie
```
### 条件和表达式语法
<yel>GitLab CI/CD</yel>
```yml
deploy_prod:
stage: deploy
script:
- echo "部署到生产服务器"
rules:
- if: '$CI_COMMIT_BRANCH == "master"'
```
GitHub Actions
```yml
jobs:
deploy_prod:
if: contains( github.ref, 'master')
runs-on: ubuntu-latest
steps:
- run: echo "部署到生产服务器"
```
### Artifacts
<yel>GitLab CI/CD</yel>
```yml
script:
artifacts:
paths:
- math-homework.txt
```
GitHub Actions
```yml
- name: Upload math result for job 1
uses: actions/upload-artifact@v3
with:
name: homework
path: math-homework.txt
```
### 作业之间的依赖关系
<yel>GitLab CI/CD</yel>
```yml
stages:
- build
- test
- deploy
build_a: stage: build script:
- echo "该作业将首先运行"
build_b: stage: build script:
- echo "该作业将首先运行,与 build_a 并行"
test_ab: stage: test script:
- echo "此作业将在 build_a 和 build_b 完成后运行"
deploy_ab: stage: deploy script:
- echo "此作业将在 test_ab 完成后运行"
```
GitHub Actions
```yml
jobs:
build_a:
runs-on: ubuntu-latest
steps:
- run: echo "该作业将首先运行"
build_b:
runs-on: ubuntu-latest
steps:
- run: echo "该作业将首先运行,与 build_a 并行"
test_ab:
runs-on: ubuntu-latest
needs: [build_a,build_b]
steps:
- run: echo "此作业将在 build_a 和 build_b 完成后运行"
deploy_ab:
runs-on: ubuntu-latest
needs: [test_ab]
steps:
- run: echo "此作业将在 test_ab 完成后运行"
```
### 缓存
<yel>GitLab CI/CD</yel>
```yml
image: node:latest
cache: key: $CI_COMMIT_REF_SLUG paths:
- .npm/
before_script:
- npm ci --cache .npm --prefer-offline
test_async: script:
- node ./specs/start.js ./specs/async.spec.js
```
GitHub Actions
```yml
jobs:
test_async:
runs-on: ubuntu-latest
steps:
- name: Cache node modules
uses: actions/cache@v3
with:
path: ~/.npm
key: v1-npm-deps-${{ hashFiles('**/package-lock.json') }}
restore-keys: v1-npm-deps-
```
### 数据库和服务容器
<yel>GitLab CI/CD</yel>
```yml
container-job:
variables:
POSTGRES_PASSWORD: postgres
# PostgreSQL 服务容器通信的主机名
POSTGRES_HOST: postgres
# 默认的 PostgreSQL 端口
POSTGRES_PORT: 5432
image: node:10.18-jessie
services:
- postgres
script:
# 执行 package.json 文件中
# 所有依赖项的全新安装
- npm ci
# 运行创建 PostgreSQL 客户端的脚本,
# 用数据填充客户端,并检索数据
- node client.js
tags:
- docker
```
GitHub Actions
```yml
jobs:
container-job:
runs-on: ubuntu-latest
container: node:10.18-jessie
services:
postgres:
image: postgres
env:
POSTGRES_PASSWORD: postgres
steps:
- name: Check out repository code
uses: actions/checkout@v3
# 执行 package.json 文件中
# 所有依赖项的全新安装
- name: Install dependencies
run: npm ci
- name: Connect to PostgreSQL
# 运行创建 PostgreSQL 客户端的脚本,
# 用数据填充客户端,并检索数据
run: node client.js
env:
# PostgreSQL 服务容器通信的主机名
POSTGRES_HOST: postgres
# 默认的 PostgreSQL 端口
POSTGRES_PORT: 5432
```
另见
---
- [Github Actions 学习笔记](https://jaywcjlove.github.io/github-actions) _(jaywcjlove.github.io)_
- [了解 GitHub Actions](https://docs.github.com/cn/actions/learn-github-actions) _(docs.github.com)_
- [从 GitLab CI/CD 迁移到 GitHub Actions](https://docs.github.com/cn/actions/migrating-to-github-actions/migrating-from-gitlab-cicd-to-github-actions) _(docs.github.com)_

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@ -853,12 +853,25 @@ let (x, _, y) = (1, 2, 3);
println!("{x},{y}");
```
----
```rust
fn get_count_item(s: &str) -> (&str, &str) {
let mut it = s.split(' ');
let (Some(str1),Some(str2)) = (it.next(),it.next()) else {
panic!("Can't segment count item pair");
};
(str1, str2)
}
```
### 函数中的模式匹配
```rust
fn add((x, y): (i32, i32)) -> i32 {
x + y
}
fn main(){
let sum = add(1, 2);
println!("{sum}");

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@ -1,6 +1,6 @@
{
"name": "@wcj/reference",
"version": "1.27.0",
"version": "1.28.0",
"description": "为开发人员分享快速参考备忘单(主要是方便自己)。",
"author": "jaywcjlove",
"license": "MIT",