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基础任务:1、请列举你能想到的UNIX信号,并说明信号用途。
SIGABRT
由调用abort函数产生,进程非正常退出
SIGALRM
用alarm函数设置的timer超时或setitimer函数设置的interval timer超时
SIGBUS
某种特定的硬件异常,通常由内存访问引起
SIGCANCEL
由Solaris Thread Library内部使用,通常不会使用
SIGCHLD
进程Terminate或Stop的时候,SIGCHLD会发送给它的父进程。缺省情况下该Signal会被忽略
SIGCONT
当被stop的进程恢复运行的时候,自动发送 ...
~/.gtkrc-2.0
style "gtkcompact" {
font_name="Dejavu Sans 9"
GtkButton::default_border={0,0,0,0}
GtkButton::default_outside_border={0,0,0,0}
GtkButtonBox::child_min_width=0
GtkButtonBox::child_min_heigth=0
GtkButtonBox::child_internal_pad_x=0
GtkButtonBox::child_internal_p ...
一致性哈希
我最近一段时间在研究 consistent hash。介绍它的paper(Consistent Hashing and Random Trees: Distributed Caching Protocols for Relieving Hot Spots on the World Wide Web
byDavid Karger
et al) 十年前就出现了,不过直到最近才悄悄的有越来越多的service开始使用consistent hash,这些service包括Amazon’s Dynamo
,以及memcached
(向
Passwordless SSH logins
http://www.cs.utah.edu/~bigler/code/sshkeys.html
There are a few cases where having passwordless access to a machine is convenient or necessary. I'm always looking up a series of commands that I can just copy and paste to do it right quick. Here they are.
Generate ...
1. Cassandra
Cassandra 是公司的新的Feed Server,已然上线,围绕着cassandra于是乎就有了一系列的问题。她还能用在哪里,数据如何在多个datacenter间迁移、同步,能不能支撑CII的应用,在不违反Apache协议的情况下我们如何扩展其 ...
[root@localhost /]# cat /usr/local/svn/reos/conf/authz
### This file is an example authorization file for svnserve.
### Its format is identical to that of mod_authz_svn authorization
### files.
### As shown below each section defines authorizations for the path and
### (optional) repository spec ...
ibatis : ibatis-2.3.4.726.jar
<update id="update" parameterClass="org.kimnin.test4000.Test4000PO">
update test4000 set str=#str# where id=#id#
</update>
<insert id="insert" parameterClass="org.kimnin.test4000.Test4000PO">
...
- 2009-08-06 10:52
- 浏览 2708
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这个是我的第一个hadoop实验,希望能学到点什么吧!!
- 2009-06-09 13:16
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Book
<?xml version="1.0"?><!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN" "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"><hibernate-mapping package="org.kimnin.hibernate"> <class name="B ...
- 2008-12-16 11:16
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