摘要：短信开发指通过串口 at 命令驱动短信猫进行短信发送和接收操作。 阅读全文

摘要：1.简单介绍 SMS是由Etsi所制定的一个规范（GSM 03.40 和 GSM 03.38）。它可以发送最多160个字符，当使用7- bits编码的时候。8-bit编码(最多140个字符）通常无法直接通过手机显示；通常被用来作为数据消息，例如：smart messaging中的图片和铃声）和OTA WAP设置。16-bit信息（最多70个字符）被用来显示Unicode(UCS2)文本信息，可以被... 阅读全文

摘要：Here are some guidelines for database size, object number and naming limitations contrasted across Access 2000/XP, SQL Server 7.0, SQL Server 2000, and MSDE 2000. The main reason for this chart was to answer the question "how many rows can I get into a table?" -- which doesn't have a direct answer, but is limited by many of the variables listed below (not to mention disk space!). 阅读全文

摘要：This was going to be chapter 13 of a book that we pulled. Since I have no interest at this point in writing another intro level 7.0 book, you can enjoy it out here. Perhaps one of the more compelling hands-off administration abilities of SQL Server is the SQL Mail capability. SQL Mail lets you send, receive and process mail from within SQL Server. The most common use of this is setting up the SQL Agent process to alert you to server conditions. Since many wireless devices (phones, pagers, e 阅读全文