最简单的logging用法import logging
logging.error("hah")
logging.info("hah")
logging.debug("hah")
logging.warning("hah")
logging.critical("hah")
"""
#输出结果
#ERROR:root:hah
#WARNING:root:hah
#CRITICAL:root:hah
hah
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2011-12-23 11:47:03
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[root@master bash]#cat test
#!/bin/bash
cat <<-HAHA
this is a tset
hah
xiix
gaga
wawa
HAHA
[root@master bash]#./test
this is a tset
hah
xiix
gaga
wawa
[root@master bash]#
原创
2010-04-08 15:34:53
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<?php //对数组中的每个元素做函数处理 $arr = array(1,2,3,4,5,6); function cheng($hah){ return $hah*2; } var_dump(array_map('cheng',$arr));
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2019-08-11 13:01:00
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2评论
如何让hah.jsp成为欢迎界面？ 在web-inf文件夹中配置项目部署文件web.xml。 添加标签 <welcome-file-list> <welcome-file>/hah.jsp</welcome-file> <welcome
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2022-07-17 00:10:37
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mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 20:53:00
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2评论
mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 22:27:00
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2评论
mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 22:44:00
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2评论
mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 21:52:00
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mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 22:14:00
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mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 22:00:00
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mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 22:06:00
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@Overridepublic void onActivityResult(int requestCode, int resultCode, Intent data) { switch (resultCode) { case 10: Toast.makeText(getActivity(),"hah
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2021-08-04 10:00:20
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mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 22:21:00
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mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 21:41:00
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mysql> select * from table1; +----------+------------+-----+---------------------+ | name_new | transactor | pid | order_date | +----------+------------+-----+---------------------+ | 1hah...
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2019-08-04 21:29:00
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# 用户交互 input、格式化输出
# 1.接受用户的输入
# 在python3：input会将用户输入的所有内容都存成字符串类型
# input(): 要求用户必须输入一个明确的数据类型，输入的是什么类型，就存成什么类型
# username = input('请输入您的账号：') # hah
# print(username, type(username)) # hah <cl
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2021-01-31 19:35:14
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DOS系统功能调用调用形式:：MOV AH, 01HINT 21HAH功能调用参数返回参数0程序终止(同
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2022-08-23 14:29:28
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1. peek基本了解会改变对象里的值Arrays.asList(new Person("1", "hah"), new Person("1", "hh"))
.stream().peek(p -> p.setId("222")).forEach(System.out::println);
@AllArgsConstructor
@Dat
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2024-04-30 20:12:45
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replace()name = 'hello world haha'
new_name = name.replace('ha','Ha')
print(new_name)
name = 'hello world haha'
new_name = name.replace('ha','Ha',1)
print(new_name)输出：hello world HaHa
hello world Hah
