JDBC连接数据库
如何使用JDBC连接数据库并执行SQL语句
目录1. JDBC入门2. 抽取工具类3. Statement CRUD4. 演练CRUD5. Dao模式(声明与实现分开)6. PrepareStatement CRUD1. JDBC入门[详细]
2023-04-29 10:25 分类:开发-
关于Java中使用jdbc连接数据库中文出现乱码的问题
目录一、python使用jdbc连接数据库,插入数据库时,数据里的数据显示乱码,为 " ??? "二、为什么配置了character_set_server = utf8,jdbc连接时就可以不指定编码三、mysql的字符处理机制是怎样的,为什么[详细]
2023-04-15 10:25 分类:开发 Opening emacs without the scratch buffer when opening a file
I\'ve changed a setting in Emacs. Now, whenever I try to open a file from t开发者_开发技巧he command line, it opens a *scratch* buffer on top of the file. Is there a way to get rid of this? Or a way t[详细]
2022-12-22 07:18 分类:问答FusionCharts rendered in Javascript not printing
I\'m using fusioncharts free and creating some 3d pie charts like so... <div style=\"margin:0 auto;\" id=\"chart1Adiv\">FusionCharts</div>[详细]
2022-12-22 07:18 分类:问答How can i determine if iphones CoreLocation is using satellites or cell tower triangulation to find the current location?
I\'m using CoreLocation to find a users current location and display it on a map. I want to show an icon with an antenna when the location is established using satellites and a icon with towers when i[详细]
2022-12-22 06:58 分类:问答-
IDEA使用JDBC导入配置jar包连接MySQL数据库
目录jdbc编程简介1.导入jar包2.建立数据库连接2.1创建数据源描述数据库服务器在哪2.2实现一个mysql客户端通过网络和服务器进行通信3.使用代码操作数据库3.1增删改操作3.2查询操作4.断开连接释放资源jdbc编程简介[详细]
2022-12-04 10:20 分类:开发