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Linux命令详解-help
help命令顾名思义就是显示帮助信息的,它是个Bash内建命令,也只是用来显示Bash内建命令的帮助信息的(Display helpful information about builtin commands)。如果要显示外部命令的帮助信息,可以使用man命令或者info命令。 1.命令格式: he...
分类:系统相关   时间:2015-02-07 06:50:30    阅读次数:361
python特殊属性和方法的运用 -转自http://blog.csdn.net/business122/article/details/7568446
用__dict__把dict转换为对象的属性1 class Messenger:2 def __init__(self, **kwargs):3 self.__dict__ = kwargs4 5 6 m = Messenger(info="some information"...
分类:编程语言   时间:2015-02-06 18:30:25    阅读次数:255
IEC 101规约品质描述限定词解释
带品质描述词的单点信息 Single-point Information with Quality descriptor SIQ : = CP8{SPI, RES, BL, SB, NT, IV} SPI : = BS1[1] : = 分/开  : = 合/关  RES保留 : = BS3[2..4] BL : = BS1[5] : = 未被闭锁 : = 被闭锁  SB : = ...
分类:其他好文   时间:2015-02-06 16:44:37    阅读次数:358
How to Modify Public Network Information including VIP in Oracle Clusterware (文档 ID 276434.1)
APPLIES TO:Oracle Database - Enterprise Edition - Version 11.2.0.3 to 12.1.0.2 [Release 11.2 to 12.1]Information in this document applies to any platf...
分类:数据库   时间:2015-02-05 18:19:01    阅读次数:310
查找表名与所有字段名
表名: mysql: SELECT TABLE_NAME FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA='schemaName' and TABLE_NAME = 'tablename'; oracle:select TABLE_NAME fr....
分类:其他好文   时间:2015-02-05 13:17:24    阅读次数:123
Pipedata3d - Welding Neck Flange
Abstract. Pipedata3d show piping component data in tables and 3D modeling. It can help the piping designers to looking up piping information quickly a...
分类:其他好文   时间:2015-02-04 21:41:43    阅读次数:512
文本分类入门-特征选择方法之信息增益
http://www.blogjava.net/zhenandaci/archive/2009/03/24/261701.html前文提到过,除了开方检验(CHI)以外,信息增益(IG,Information Gain)也是很有效的特征选择方法。但凡是特征选择,总是在将特征的重要程度量化之后再进行选...
分类:其他好文   时间:2015-02-04 20:05:04    阅读次数:277
USB Class Codes usb设备类型代码
Defined 1.0 Class CodesUSB Class Codes March 2, 2006USB defines class code information that is used to identify a device’s functionality and to nomina...
分类:其他好文   时间:2015-02-04 15:56:30    阅读次数:345
#include <winsock2.h>报错的问题
#define PORT 5150 #define DATA_BUFSIZE 8192 typedef struct _SOCKET_INFORMATION { CHAR Buffer[DATA_BUFSIZE]; WSABUF DataBuf; SOCKET Socket; WSAOVERLAPPED Overlapped; DWORD BytesSEND; DWORD By...
分类:Windows程序   时间:2015-02-04 14:43:59    阅读次数:534
Backup and Recovery Basics(10g)- 目录
今天先把目录搬上来,后续会翻译相应的章节,并更新超链接,希望对想学习oracle的人有所帮助。fighting Contents Title and Copyright Information Preface AudienceDocumentation AccessibilityRelated DocumentationConventions 1 Backup and Recov...
分类:其他好文   时间:2015-02-04 14:39:41    阅读次数:214
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