深入理解TransmittableThreadLocal：原理、使用与避坑指南
TransmittableThreadLocal（TTL）是阿里开源的一个线程间数据传递解决方案，解决了InheritableThreadLocal在线程池场景下的问题。
View DetailsCC Switch 超好用的AI配置管理工具
什么是 CC Switch
CC Switch 是一款跨平台桌面应用，专为使用 AI 编程工具的开发者设计。它帮助你统一管理 Claude Code、Claude Desktop、Codex、Gemini CLI、OpenCode、OpenClaw 和 Hermes 等受管应用的配置。
/etc/docker/daemon.json
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{ "log-driver": "json-file", "log-opts": { "max-size": "1000m", "max-file": "3", "compress": "true" }, "registry-mirrors" : [ "https://docker.m.daocloud.io", "https://docker.xuanyuan.me", "https://docker.1ms.run" ] } |
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怎么把AppData移到D盘
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders
业务实例如何指定IP(外网IP)注入Nacos
spring.cloud.nacos.discovery.ip = xx
spring.cloud.nacos.discovery.port = xxx
CentOS换源
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mv /etc/yum.repos.d/CentOS-Base.repo /etc/yum.repos.d/CentOS-Base.repo.bak curl -o /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo yum clean all yum makecache yum update -y |
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Centos7安装JDK21
wget https://download.oracle.com/java/21/latest/jdk-21_linux-x64_bin.tar.gz
tar -zxvf jdk-21_linux-aarch64_bin.tar.gz
export JAVA_HOME=/usr/local/jdk-21.0.2
export PATH=$JAVA_HOME/bin:$PATH
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar
root权限下修改文件权限遇到 chmod: changing permissions of '***': Operation not permitted
lsattr filename
chattr -ia authorized_keys
chattr +ia authorized_keys