Dictionary

占位符

普通占位符

占位符	说明	举例	输出
%v	相应值的默认格式	Printf("%v", people)	{zhangsan}
%+v	打印结构体时添加字段名	Printf("%+v", people)	{Name:zhangsan}
%#v	相应值的Go语法表示	Printf("#v", people)	main.Human{Name:"zhangsan"}
%T	相应值的类型的Go语法表示	Printf("%T", people)	main.Human
%%	转义%	Printf("%%")	%

占位符

说明

举例

输出

相应值的默认格式

Printf("%v", people)

{zhangsan}

%+v

打印结构体时添加字段名

Printf("%+v", people)

{Name:zhangsan}

%#v

相应值的Go语法表示

Printf("#v", people)

main.Human{Name:"zhangsan"}

相应值的类型的Go语法表示

Printf("%T", people)

main.Human

转义%

Printf("%%")

整数占位符

占位符	说明	举例	输出
%b	二进制表示	Printf("%t", true)	true
%c	相应Unicode码所表示的字符	Printf("%c", 0x4E2D)	中
%d	十进制表示	Printf("%d", 0x12)	18
%o	八进制表示	Printf("%d", 10)	12
%q	单引号围绕的字符字面值，由Go语法转义	Printf("%q", 0x4E2D)	'中'
%x	十六进制表示，字母形式为小写 a-f	Printf("%x", 13)	d
%X	十六进制表示，字母形式为大写 A-F	Printf("%x", 13)	D
%U	Unicode格式：U+1234，等同于 "U+%04X"	Printf("%U", 0x4E2D)	U+4E2D

占位符

说明

举例

输出

二进制表示

Printf("%t", true)

true

相应Unicode码所表示的字符

Printf("%c", 0x4E2D)

中

十进制表示

Printf("%d", 0x12)

八进制表示

Printf("%d", 10)

单引号围绕的字符字面值，由Go语法转义

Printf("%q", 0x4E2D)

'中'

十六进制表示，字母形式为小写 a-f

Printf("%x", 13)

十六进制表示，字母形式为大写 A-F

Printf("%x", 13)

Unicode格式：U+1234，等同于 "U+%04X"

Printf("%U", 0x4E2D)

U+4E2D

浮点数

占位符	说明	举例	输出
%e	科学计数法	Printf("%e", 10.2)	1.020000e+01
%E	科学计数法	Printf("%E", 10.2)	1.020000E+01
%f	包括小数	Printf("%f", 10.2)	10.200000

占位符

说明

举例

输出

科学计数法

Printf("%e", 10.2)

1.020000e+01

科学计数法

Printf("%E", 10.2)

1.020000E+01

包括小数

Printf("%f", 10.2)

10.200000

字符串与字节切片

占位符	说明	举例	输出
%s	输出字符串表示（string类型或[]byte)	Printf("%s", []byte("Go语言"))	Go语言
%q	双引号围绕的字符串，由Go语法转义	Printf("%q", "Go语言")	"Go语言"
%x	十六进制，小写字母，每字节两个字符	Printf("%x", "golang")	676f6c616e67
%X	十六进制，大写字母，每字节两个字符	Printf("%X", "golang")	676F6C616E67

占位符

说明

举例

输出

输出字符串表示（string类型或[]byte)

Printf("%s", []byte("Go语言"))

Go语言

双引号围绕的字符串，由Go语法转义

Printf("%q", "Go语言")

"Go语言"

十六进制，小写字母，每字节两个字符

Printf("%x", "golang")

676f6c616e67

十六进制，大写字母，每字节两个字符

Printf("%X", "golang")

676F6C616E67

其他占位符

占位符	说明	举例	输出
%t	bool值	Printf("%t", true)	true
%p	十六进制表示，前缀 0x	十六进制表示，前缀 0x	0x4f57f0

占位符

说明

举例

输出

bool值

Printf("%t", true)

true

十六进制表示，前缀 0x

0x4f57f0

Cron

0 0 12 * * ?				Fire at 12:00 PM (noon) every day
0 15 10 ? * *				Fire at 10:15 AM every day
0 15 10 * * ?				Fire at 10:15 AM every day
0 15 10 * * ? *			Fire at 10:15 AM every day
0 15 10 * * ? 2005	Fire at 10:15 AM every day during the year 2005
0 * 14 * * ?				Fire every minute starting at 2:00 PM and ending at 2:59 PM, every day
0 0/5 14 * * ?			Fire every 5 minutes starting at 2:00 PM and ending at 2:55 PM, every day
0 0/5 14,18 * * ?		Fire every 5 minutes starting at 2:00 PM and ending at 2:55 PM, AND fire every 5 minutes starting at 6:00 PM and ending at 6:55 PM, every day
0 0-5 14 * * ?			Fire every minute starting at 2:00 PM and ending at 2:05 PM, every day
0 10,44 14 ? 3 WED	Fire at 2:10 PM and at 2:44 PM every Wednesday in the month of March
0 15 10 ? * MON-FRI	Fire at 10:15 AM every Monday, Tuesday, Wednesday, Thursday and Friday
0 15 10 15 * ?			Fire at 10:15 AM on the 15th day of every month
0 15 10 L * ?				Fire at 10:15 AM on the last day of every month
0 15 10 ? * 6L			Fire at 10:15 AM on the last Friday of every month
0 15 10 ? * 6L			Fire at 10:15 AM on the last Friday of every month
0 15 10 ? * 6L 2002-2005	Fire at 10:15 AM on every last friday of every month during the years 2002, 2003, 2004, and 2005
0 15 10 ? * 6#3			Fire at 10:15 AM on the third Friday of every month
0 0 12 1/5 * ?			Fire at 12 PM (noon) every 5 days every month, starting on the first day of the month
0 11 11 11 11 ?			Fire every November 11 at 11:11 AM

ANSI C Quoting

bash manual

character description

character	description
`\a`	alert (bell)
`\b`	backspace
`\e`	\E an escape character (not ANSI C)
`\f`	form feed
	newline
	carriage return
	horizontal tab
`\v`	vertical tab
`\\`	backslash
`\'`	single quote
`\"`	double quote
`\?`	question mark
`\nn`	n the eight-bit character whose value is the octal value nnn (one to three octal digits)
`\xH`	H the eight-bit character whose value is the hexadecimal value HH (one or two hex digits)
`\uH`	HHH the Unicode (ISO/IEC 10646) character whose value is the hexadecimal value HHHH (one to four hex digits)
`\UH`	HHHHHHH the Unicode (ISO/IEC 10646) character whose value is the hexadecimal value HHHHHHHH (one to eight hex digits)
`\cx`	a control-x character

\a

alert (bell)

\b

backspace

\e

\E an escape character (not ANSI C)

\f

form feed

newline

carriage return

horizontal tab

\v

vertical tab

\\

backslash

\'

single quote

\"

double quote

\?

question mark

\nn

n the eight-bit character whose value is the octal value nnn (one to three octal digits)

\xH

H the eight-bit character whose value is the hexadecimal value HH (one or two hex digits)

\uH

HHH the Unicode (ISO/IEC 10646) character whose value is the hexadecimal value HHHH (one to four hex digits)

\UH

HHHHHHH the Unicode (ISO/IEC 10646) character whose value is the hexadecimal value HHHHHHHH (one to eight hex digits)

\cx

a control-x character

loki

基本查询：

=: 完全匹配
!=: 不匹配
=~: 正则表达式匹配
!~: 正则表达式不匹配
|=：日志行包含的字符串
!=：日志行不包含的字符串
|~：日志行匹配正则表达式
!~：日志行与正则表达式不匹配

Markdown

Latex

$C_{6}^{1}+C_{6}^{2}+C_{6}^{3}+C_{6}^{4}+C_{6}^{5}+C_{6}^{6}$

参考：全面魔改Typora样式，仿照LaTeX写论文

gitbook

添加tab，只在gitbook自动生成的页面可以展示：

gitbook中一行的宽度和Markdown通用格式中的宽度规定是一样的，也就是说，在 Typroa 中换行时，在gitbook页面上也会相应的换行。但是在tab会比原来的宽度稍短一些。

hello work!
============================== there is 83 charaters ==============================
通常一行不超过80个字符


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最后更新于1年前