\TOC\查看当前所有Python版本路径appledeMBP:~apple$whichpython2.7/usr/local/bin/python2.7appledeMBP:~apple$whichpython3.5/Library/Frameworks/Python.framework

\TOC\greenlet示例greenlet微线程,允许在线程中手动切换示例1,线程切换fromgreenletimportgreenletdeftest1(x,y):zgr2.switch(xy)print(z)

\TOC\XcodeCommandLineTools的安装两种选择：1.直接在AppStore中下载Xcode2.使用命令行安装：xcodeselectinstallXcode的证书许可

\TOC\MySQL通讯协议（3）连接阶段MySQL连接生命周期graphTDA开始|连接|B(ConnectionState)B|认证成功|C(CommandState)C|复制命令|D(Replicati

Django框架6\TOC\一：models常用字段及参数​AutoField(primary\_keyTrue)主键字段​CharField(max\_length32)varchar(32)​IntergerField()int​BigIntegerField()b

\TOC\翻译自：OpenCVTutorials,Resources,andGuides|PyImageSearch(https://www.oschina.net/action/GoToLink?urlhttps%3A%2F%2Fwww.pyimagesearch.com%2Fopencvtutorialsresources

Java创建多线程的几种方式\TOC\1、继承Thread类，重写run()方法//方式1packagecn.itcats.thread.Test1;publicclassDemo1extendsThread{

<!TOC1\.前言1.1.如何安装主题、图标以及各种辅助插件2\.主题及图标2.1.OneDarkPro2.2.DraculaOffical2.3.AtomOneDarkTheme2.4.VSCodeGr

Javaasm修改class信息\TOC\1asm中提供了ClassReader和ClassVisitor用来获取class信息，如果要修改class信息就要用到ClassWriter

了解DDL操作与REDO的关系\TOC\DDL是否会产生REDO用到的SQL：查看redo的大小SQLselectb.name,a.valuefromv$mystata,v$statnamebwherea.statistic