Preface xxi 1 Number Systems 1 1.1 Analogue Versus Digital 1 1.2 Introduction to Number Systems 2 1.3 Decimal Number System 2 1.4 Binary Number System 3 1.4.1 Advantages 3 1.5 Octal Number System 4 1.6 Hexadecimal Number System 4 1.7 Number Systems
oracl 和db2 常用语法比较： 1、取前N条记录 Oracle：Select * from TableName where rownum <= N; DB2：Select * from TableName fetch first N rows only; 2、取得系统日期 Oracle：Select sysdate from dual; DB2：Select current timestamp from sysibm.sysdummy1; 3、空值转换 Oracle：Select
全志R16平台编译linux系统V1.0.txt 2017/4/11 13:36 （编译请使用编译android的lichee的选项编译生成的.config文件，不然直接编译会报错！！！！） rootroot@cm-System-Product-Name:/home/wwt/linux_r16$ tar zxvf lichee_parrotv1.1_20161202.tar.gz rootroot@cm-System-Product-Name:/home/wwt/linux_r16$ cd l
