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[toc] ■ 已卸载有用app 1.步步行程助手:别人分享旅游城市(国内国外)记录 2.行程助手:同上 ■ 软件重装 1.python 下载:https://www.python.org/downloads/windows/ 选择:Download Windows x86 64 executabl 阅读全文
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1. "Python库" 2. "C语言" 3. "Python进阶" 阅读全文
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"""A collection of string constants. Public module variables: whitespace -- a string containing all ASCII whitespace ascii_lowercase -- a string conta 阅读全文
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>>> a = [1,2,3] >>> help(a) Help on list object: class list(object) | list(iterable=(), /) | | Built-in mutable sequence. | | If no argument is given, 阅读全文
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>>> help(str) Help on class str in module builtins: class str(object) | str(object='') -> str | str(bytes_or_buffer[, encoding[, errors]]) -> str | | 阅读全文
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练习题1:从控制台向数据库的表customers中插入一条数据,表结构如下: `Exer1Test.java package com.atguigu4.exer; import java.sql.Connection; import java.sql.PreparedStatement; impor 阅读全文
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com.atguigu3.preparedstatement.crud.CustomerForQuery.java package com.atguigu3.preparedstatement.crud; import java.lang.reflect.Field; import java.sql 阅读全文
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package com.atguigu3.preparedstatement.crud; import java.lang.reflect.Field; import java.sql.Connection; import java.sql.PreparedStatement; import jav 阅读全文
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package com.atguigu3.preparedstatement.crud; import java.io.IOException; import java.io.InputStream; import java.sql.Connection; import java.sql.Date; 阅读全文
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package com.yuan25.util; import java.io.InputStream; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java 阅读全文
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package com.atguigu.java; import org.junit.Test; /** * String的使用 * * @author shkstart * @create 2019 上午 10:26 */ public class StringTest { /* 结论: 1.常量 阅读全文
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package com.atguigu.java2; import java.util.concurrent.ExecutorService; import java.util.concurrent.Executors; import java.util.concurrent.ThreadPoolE 阅读全文