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最新文章列表
Linux / Unix Command: test
内容来源 : http://linux.about.com/library/cmd/blcmdl1_test.htm
NAME
test - check file types and compare values
SYNOPSIS
test EXPRESSION
[ EXPRESSION ]
test OPTION
DESCRIPTION
Exit with the status ...
Private Members in JavaScript
JavaScript is the world's most misunderstood programming language. Some believe that it lacks the property of information hiding because objects cannot have private instance variables and methods. But ...
The 'static' keyword in java
1. When a variable is defined 'static', it's called a "class variable', that is, all the objects of that class own that variable. A class variable can be accessed with the class, without creating ...
PureMVC MultiCore报错 multitonKey for this Notifier not yet initialized!
multitonKey for this Notifier not yet initialized!
官方解释是:
As noted in the release notes for MultiCore, you cannot access the facade from within the constructor of a Notifier subclass. The first cha ...
mysql数据据存储引擎InnoDB和MyISAM的优势及区别
MyISAM:这个是默认类型,它是基于传统的ISAM类型,ISAM是Indexed Sequential Access Method (有索引的顺序访问方法) 的缩写,它是存储记录和文件的标准方法.与其他存储引擎比较,MyISAM具有检查和修复表格的大多数工具. MyISAM表格可以被压缩,而且它们支持全文搜索.它们不是事务安全的,而且也不支持外键。如果事物回滚将造成不完全回滚,不具有原子性。如果执 ...
Cloud Computing
Agility
improves with users' ability to rapidly and inexpensively re-provision technological infrastructure resources.[
34]
Cost
is claimed to be greatly reduced and capital expenditu ...
MySQL中的LIMIT用法(如MS及ACCESS的TOP)
SELECT * FROM ORDER BY [COLUMN] (ASC|DESC) LIMIT [OFFSET],[RECNUM]
表名
[COLUMN] 字段名
[OFFSET] 起始位置
[RECNUM] 记录数
即是说,查出从OFFSET位置算起的RECNUM条记录。
如查找TEST表的TOP 10记录(按ID字段升排序),那么可以这样写:
SELECT * FROM TEST OR ...
LDAP SCHEMA DESIGN_Synopsis (大纲)
Synopsis
(大纲)
It
is possible to make one LDAP directory serve many applications in an
organisation. This has the advantage of reducing the effort required to
maintain the data, ...
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