React:
npm install yarn -g
set-ExecutionPolicy RemoteSigned---实现vscode teminal也能运行yarn
yarn init
yarn add react --save
npm install -g create-react-app
create-react-app html6
yarn add react-router
yarn add react-router-dom
yarn add node-sass --save-dev
yarn add sass-loader --save-dev
javascript:void(0)---a href无操作的参数



MySQL:
alter table pipe AUTO_INCREMENT=1;



Apache:
cd 到bin目录
httpd –k uninstall 2
httpd -k install
httpd.conf最后一段是加入php支持
session.save_path = "D:/PHP55/tmp"



PHP:
php.ini-product改为php.ini
extension=php_mysql.dll前面分号去掉
extension=php_mysqli.dll前面分号去掉
extension_dir = "D:/PHP55/ext"



Tomcat:
局域网IP访问问题,1.一定要关闭windows防火墙,或者修改出站入站规则;2.一定要确保IP地址不冲突,改为自动获取IP可能就OK了
tomcat



js:
作用域
function test()
test.[[scope]]
scope存储了执行器上下文集合
作用域链
GO global object
AO activation object
对象,包装类
正则表达式
/a/



Revit:
安装时断网,否则卡在倒数第八项,不动,然后关闭杀毒软件defender



VBA-Excel:
Private Sub Worksheet_SelectionChange(ByVal Target As Range)
CreateObject("Sapi.Spvoice").Speak Target
End Sub



Window按键映射,Caps Lock - Ctrl:
Windows Registry Editor Version 5.00
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Keyboard Layout]
"Scancode Map"=hex:00,00,00,00,00,00,00,00,02,00,00,00,1d,00,3a,00,00,00,00,00
00,00,00,00,//固定格式
00,00,00,00,//固定格式
02,00,00,00,//02指本行之后还有2行
1c,00,3a,00,//把键盘上的3a,00这个键赋予1c,00的意义
...//可选,可以同时进行更多的按键映射
00,00,00,00//固定格式
按键 - 码表
Escape - 01 00
Tab - 0F 00
Caps Lock - 3A 00
Left Alt - 38 00
Left Ctrl - 1D 00
Left Shift - 2A 00
Left Windows - 5B E0
Right Alt - 38 E0
Right Ctrl - 1D E0
Right Shift - 36 00
Right Windows - 5C E0
Backspace - 0E 00
Delete - 53 E0
Enter - 1C 00
Space - 39 00
Insert - 52 E0
HOME - 47 E0
End - 4F E0
Num Lock - 45 00
Page Down - 51 E0
Page Up - 49 E0
Scroll Lock - 46 00
无动作 - 00 00