1、参考:http://paulgraham.com/ecw.html2、有触动的话:When experts are wrong, it's often because they're experts on anearlier version of the world.The winds of c...
分类:
其他好文 时间:
2014-12-25 20:09:22
阅读次数:
118
配置mysql主从时,由于是拷贝的mysql目录,导致主从mysql uuid相同, Slave_IO无法启动,报错信息如下:
The slave I/O thread stops because master and slave have equal MySQL server UUIDs; these UUIDs must be different for replication to wor...
分类:
数据库 时间:
2014-12-25 16:33:18
阅读次数:
193
Because of hardware failure, you decided to drop a redo log memb
er from the database.
Which condition should be met to drop a redo log file?
A. The redo log file should belong to an active gro...
分类:
数据库 时间:
2014-12-22 11:09:05
阅读次数:
158
Problem DescriptionNPY's girlfriend blew him out!His honey doesn't love him any more!However, he has so many girlfriend candidates.Because there are t...
分类:
编程语言 时间:
2014-12-21 21:56:38
阅读次数:
374
A redo log file is corrupted while the database is open; as a con
sequence, database operations are stopped because archiving cannot co
ntinue. What would you do to solve the problem?
A. clear th...
分类:
数据库 时间:
2014-12-21 19:30:02
阅读次数:
239
Yesterday, my teacher taught us about math: +, -, *, /, GCD, LCM... As you know, LCM (Least common multiple) of two positive numbers can be solved easily because of a * b = GCD (a, b)
* LCM (a, b).
...
分类:
其他好文 时间:
2014-12-15 23:38:50
阅读次数:
287
Because of the 90th anniversary of the Coherent & Cute Patchouli (C.C.P), Kawashiro Nitori decides to buy a lot of rare things to celebrate.
Kawashiro Nitori is a very shy kappa (a type of wate...
分类:
编程语言 时间:
2014-12-15 23:38:12
阅读次数:
285
主要是警告信息,在非ARC项目中没有这个警告。如果是在某一处修改只需要加入下列代码:
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Warc-performSelector-leaks"
[self.ticketTarget performSelector: self.ticketAction w...
分类:
移动开发 时间:
2014-12-15 15:31:53
阅读次数:
149
AOP在 .NET中的七种实现方法Here are all the ways that I can think of to add AOPto your application. This mostly focus on the interception side of things,because...
分类:
Web程序 时间:
2014-12-15 10:22:24
阅读次数:
198