-
supersonic-wave-LC1602
supersonic wave LCD1602 desinged for little smart car
- 2013-12-06 23:23:14下载
- 积分：1
-
JBWXSF
CC1125无线模块。调频发送接收。已测试(CC1125 rf module)
- 2015-10-10 10:49:53下载
- 积分：1
-
The-car-turn-left-program
本程序主要是对小车进行左转控制，有三种方法左轮抱死，右轮抱死，或者左轮后退右轮前进，三种方式进行左转(This procedure is mainly to control the car on the left, there are three ways, revolver, holding in death of the wheel lock, right or left back right wheel to go forward, three ways to turn left)
- 2015-12-08 10:58:39下载
- 积分：1
-
SQLHelper连接数据库示例类
[实例简介] 连接sql数据库 类 [核心代码]using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Configuration;using System.Data.SqlClient;using System.Data; namespace Itcast.Cn{ public static class SqlHelper { private static readonly string conStr = ConfigurationManager.ConnectionStrings["connStr"].ConnectionString; //执行增删改的 public static int ExecuteNonQuery(string sql, CommandType cmdType, params SqlParameter[] pms) { using (SqlConnection con = new SqlConnection(conStr)) { using (SqlCommand cmd = new SqlCommand(sql, con)) { cmd.CommandType = cmdType; if (pms != null) { cmd.Parameters.AddRange(pms); } con.Open(); return cmd.ExecuteNonQuery(); } } } //封装一个执行返回单个值的方法 public static object ExecuteScalar(string sql, CommandType cmdType, params SqlParameter[] pms) { using (SqlConnection con = new SqlConnection(conStr)) { using (SqlCommand cmd = new SqlCommand(sql, con)) { cmd.CommandType = cmdType; if (pms != null) { cmd.Parameters.AddRange(pms); } con.Open(); return cmd.ExecuteScalar(); } } } //返回SqlDataReader对象的方法 public static SqlDataReader ExecuteReader(string sql, CommandType cmdType, params SqlParameter[] pms) { SqlConnection con = new SqlConnection(conStr); using (SqlCommand cmd = new SqlCommand(sql, con)) { cmd.CommandType = cmdType; if (pms != null) { cmd.Parameters.AddRange(pms); } try { con.Open(); return cmd.ExecuteReader(CommandBehavior.CloseConnection); } catch (Exception) { con.Close(); con.Dispose(); throw; } } } //封装一个返回DataTable的方法 public static DataTable ExecuteDataTable(string sql, CommandType cmdType, params SqlParameter[] pms) { DataTable dt = new DataTable(); using (SqlDataAdapter adapter = new SqlDataAdapter(sql, conStr)) { adapter.SelectCommand.CommandType = cmdType; if (pms != null) { adapter.SelectCommand.Parameters.AddRange(pms); } adapter.Fill(dt); } return dt; } //封装一个带事务的执行Sql语句的方法 public static void ExecuteNonQueryTran(List list) { using (SqlConnection con = new SqlConnection(conStr)) { using (SqlCommand cmd = con.CreateCommand()) { con.Open(); using (SqlTransaction trans = con.BeginTransaction()) { cmd.Transaction = trans; try { foreach (var SqlObject in list) { cmd.CommandText = SqlObject.Sql; if (SqlObject.Parameters != null) { cmd.Parameters.AddRange(SqlObject.Parameters); } cmd.CommandType = SqlObject.CmdType; cmd.ExecuteNonQuery(); cmd.Parameters.Clear(); } trans.Commit(); } catch (Exception) { trans.Rollback(); } } } } } } public class SqlAndParameter { public string Sql { get; set; } public SqlParameter[] Parameters { get; set; } public CommandType CmdType { get; set; } }}
- 2015-04-01下载
- 积分：1
-
asp.net ddddddddddddddddddddddddddddddddddddddddddddddddddddd
asp.net做的repeate服务器控件实现的分页-asp.net ddddddddddddddddddddddddddddddddddddddddddddddddddddd
- 2022-07-04 17:49:51下载
- 积分：1
-
book, a very practical
c语言编程宝典，非常实用-book, a very practical
- 2022-08-21 12:59:22下载
- 积分：1
-
C_sharp_lrp
车牌识别的全部流程，包括车牌定位，车牌的字符分割，和最后的车牌识别，个人觉得很不错哦(License Plate Recognition of all processes, including the license plate location, license plate character segmentation, and the final license plate recognition, personal feel very good, oh)
- 2010-06-30 14:15:39下载
- 积分：1
-
TCPView_second
This is a Scaling function definition
Image cutoff ratio for H = 3
- 2015-08-06 21:31:01下载
- 积分：1
-
eetop.cn_四轴仿真
用simulink完成了四轴飞行器的建模，模拟出来各种姿态(Simulink is used to complete the modeling of four axis aircraft and simulate various postures)
- 2017-07-22 09:14:08下载
- 积分：1
-
primenumber.c
Prime number program. Written in C
- 2015-03-21 20:04:25下载
- 积分：1
