This document, which is based on references [11] and [12], gives detailed and actual information about the M-Bus, which is a low cost home electronic system (HES). This documentation about the M-Bus is published by the M-Bus Usergroup, which is an i
SQL sever 2008 Rar! ?s X<t ? ? ? ?祕BwL0 17240671-1.sql ?0) GO ALTER TABLE Product ADD CONSTRAINT CK_Product_Price CHECK(Price>0) GO ALTER TABLE Proln ADD CONSTRAINT CK_Proln_Quantity CHECK (Quantity>0) GO ALTER TABLE ProOut ADD CONSTRAINT C
当项目由2.0或者3.5，改成4.0之后，原有的Sqllite使用可能会报错“依赖项错误...",这是因为原有的适应版本不一样，需要下载新的，然后替换掉即可。使用的案例 using (SQLiteDataReader dr = SqLiteHelper.ExecuteReader(" SELECT ID,UserGroup,PassWord FROM User ")) { while (dr.Read()) { m_SLUsers.Add(dr.GetString(0), new User(d
核心代码：
/*
*pgsql类
*/
class pgdb {
public $pdo;
public static $PDOInstance;
public $config;
public $data;
public $filed = '*';
public $table;
public $limit;
public $order;
public $where;
public $left;
const LOGIN = 7;
const USER = 1;
cons
