BLLLI bllli

## C语言练习.md

      
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                bllli
                / C语言练习.md
            
            
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              November 8, 2017 01:24
            
              
                给大宝贝儿写的C语言练习题
              
          
共用体中辨析多个字节变量如何存储在内存中？详见union.c


## MySQL 事务.md

      
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                / MySQL 事务.md
            
            
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              November 15, 2017 14:17
            
              
                MySQL 学习记录
              
          
    MySQL 事务

测试环境 mysqld  Ver 5.7.20-0ubuntu0.17.04.1 for Linux on x86_64 ((Ubuntu))
隔离级别

对比


隔离级别
脏读(Dirty Read)
不可重复读(NonRepeatble)
幻读(Phantom Read)


## Django多数据库配置.md

      
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                / Django多数据库配置.md
            
            
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              January 10, 2018 06:16
            
              
                工作中使用Django的一些记录
              
          
    双库配置

使用场景

数据后台

1个读写库，用于存放分析结果数据、数据后台管理  
1个另一个项目生产环境的只读库，是本系统统计数据的来源
配置代码

# settings.py
DATABASES = {

  
## MYSQL开放3306端口.md

      
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                / MYSQL开放3306端口.md
            
            
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              November 6, 2018 12:04
            
              
                cosplay运维
              
          
    0x01 检查防火墙是否放行3306

0x02 查看3306监听情况

$ netstat -an | grep 3306
tcp        0      0 127.0.0.1:3306          0.0.0.0:*               LISTEN
这样的就是3306端口只是在IP 127.0.0.1上监听，所以拒绝了其他IP的访问。
解决办法


## 干掉CSDN全文阅读必须登陆
// ==UserScript==
// @name         去你大爷的 CSDN 全文阅读
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  把登录后查看全文阅读的那个啥玩意儿给干掉
// @author       laobubu
// @match        http://blog.csdn.net/*/article/details/*
// @match        https://blog.csdn.net/*/article/details/*
// @grant        none
// ==/UserScript==

## Read file from resources folder in Spring Boot
// https://stackoverflow.com/questions/44399422/read-file-from-resources-folder-in-spring-boot/44399541

// file path: /path/to/src/main/resources/config/sample.txt

import org.springframework.util.ResourceUtils;
import java.io.File;
import java.nio.file.Files;

File file = ResourceUtils.getFile("classpath:config/sample.txt")

## main.go
package main

import (
	"context"
	"fmt"
	"time"
)

func main() {
	tr := NewTracker()

## asdf

asdf plugin-add python https://gitee.com/bllli/asdf-python.git


# pyenv 使用gitee加速
sed -i 's/https:\/\/github.com\/pyenv\/pyenv.git/https:\/\/gitee.com\/bllli\/pyenv.git/g' `grep 'https://github.com/pyenv/pyenv.git' -rl .asdf --include "*"`
sed -i 's/git:\/\/github.com\/pyenv\/pyenv.git/git@gitee.com:bllli\/pyenv.git/g' `grep 'git://github.com/pyenv/pyenv.git' -rl .asdf --include "*"`

# Python包使用华为云加速
# https://www.python.org/ftp/python/3.8.12/Python-3.8.12.tar.xz

## docker-compose.yaml
version: "3"
services:
 mysql5_5:
  restart: always
  container_name: mysql5_5
  command:
   --lower_case_table_names=1
   --character-set-server=utf8mb4
   --collation-server=utf8mb4_general_ci
   --max_allowed_packet=128M

## python_server_sent_events_server_demo.py
import asyncio
import datetime
import random

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware
from fastapi.responses import StreamingResponse

app = FastAPI()
	// ==UserScript==
	// @name 去你大爷的 CSDN 全文阅读
	// @namespace http://tampermonkey.net/
	// @version 0.1
	// @description 把登录后查看全文阅读的那个啥玩意儿给干掉
	// @author laobubu
	// @match http://blog.csdn.net//article/details/
	// @match https://blog.csdn.net//article/details/
	// @grant none
	// ==/UserScript==
	// https://stackoverflow.com/questions/44399422/read-file-from-resources-folder-in-spring-boot/44399541

	// file path: /path/to/src/main/resources/config/sample.txt

	import org.springframework.util.ResourceUtils;
	import java.io.File;
	import java.nio.file.Files;

	File file = ResourceUtils.getFile("classpath:config/sample.txt")
	package main

	import (
	"context"
	"fmt"
	"time"
	)

	func main() {
	tr := NewTracker()

	asdf plugin-add python https://gitee.com/bllli/asdf-python.git


	# pyenv 使用gitee加速
	sed -i 's/https:\/\/github.com\/pyenv\/pyenv.git/https:\/\/gitee.com\/bllli\/pyenv.git/g' `grep 'https://github.com/pyenv/pyenv.git' -rl .asdf --include "*"`
	sed -i 's/git:\/\/github.com\/pyenv\/pyenv.git/git@gitee.com:bllli\/pyenv.git/g' `grep 'git://github.com/pyenv/pyenv.git' -rl .asdf --include "*"`

	# Python包使用华为云加速
	# https://www.python.org/ftp/python/3.8.12/Python-3.8.12.tar.xz
	version: "3"
	services:
	mysql5_5:
	restart: always
	container_name: mysql5_5
	command:
	--lower_case_table_names=1
	--character-set-server=utf8mb4
	--collation-server=utf8mb4_general_ci
	--max_allowed_packet=128M
	import asyncio
	import datetime
	import random

	from fastapi import FastAPI
	from fastapi.middleware.cors import CORSMiddleware
	from fastapi.responses import StreamingResponse

	app = FastAPI()