椰子Java

心情

Mon, 06 Sep 2010 15:20:50 +0000

今天的心情好了很多，一方面是因为天气好了很多，不再阴沉！一方面是宝宝胃口好了很多，咳咳也基本都好了。多年来我都在努力劝解自己“不以物喜不以己悲”然30出头了。。。呵呵！还需历练啊！

时间

Sun, 05 Sep 2010 13:26:28 +0000

似乎是很久很久没有用心写blog啦，新工作也还算顺利，但似乎越来越忙。最后我琢磨出来了，其实时间永远不够，所以做任何事情都要把时间挤出来，否则是永远都不会有时间的。

宝宝这几天生病了，感冒了，先是有点发热，现在是咳咳，他咳咳是非常难好的！海南这几天的天气非常糟糕，天空阴沉沉，似乎大气压把我耳朵都压出问题了，我反复吞咽口水，似乎想用缓解飞机失压的方法熬过这几天，人总是寄托于明天！

我也感冒了，不过还好，没有像上次那样严重。

我决定明天起做班车上下班了，主要是觉得汽油实在是太贵了，二来是觉得空气真的是越来越差了，别人污染环境，我不能为了满足自己享受大一点的自由空间而跟着使坏不是。

Tomcat出现了Error Listenerstart错误码

Sun, 18 Jul 2010 15:52:40 +0000

问题出现在Spring配置上。

将：

org.springframework.web.context.ContextLoaderListener

改为：问题即可解决

SpringContextServlet

org.springframework.web.context.ContextLoaderServlet

SpringLog4jConfigServlet

org.springframework.web.util.Log4jConfigServlet

web

org.springframework.web.servlet.DispatcherServlet

Flower Sandwich

Tue, 11 May 2010 13:50:17 +0000

What appears to be part of a spring wedding bouquet is actually a nest for a rare species of solitary bee, a new study says.

Called a "flower sandwich," the three-tiered arrangement consists of a thin layer of petals on the outside, then a layer of mud, and finally another layer of petals lining the inside of the chamber, according to study leader Jerome Rozen, a curator of invertebrate zoology at the American Museum of Natural History in New York.

At the core of the sandwich is the bee's larva, which feasts on nectar and pollen deposited inside the chamber by its parent before the egg is laid and the nest is sealed. (Related: "Bees Like It Hot: Pollinators Prefer Warm Flowers, Study Reveals.")

The colorful nesting behavior of the Osmia avosetta bees was discovered on the same day by teams in Turkey and Iran, where the insects are mostly found.

The teams jointly described the behavior in the February 2010 edition of the journal American Museum Novitates.

Bioluminescent Organisms(发光的微生物)

Thu, 06 May 2010 22:14:42 +0000

The transparent shells of tiny Cypridina hilgendorfii, found in the coastal waters and sands of Japan, hold a creature that emits a luminous blue substance when disturbed. During World War II, the Japanese harvested these creatures for soldiers to use when reading maps and messages at night.

这是一些微小且透明的希根海萤，在日本的近海海域的海水和沙子里面都可以发现他们，他们在不安的情况下就会发出蓝色的光。在二战中日本人把这些生物收集在一起用于晚上查看作战地图和战地信息。

(Photo shot on assignment for "Nature's Night Lights—Probing the Secrets of Bioluminescence," July 1971, National Geographic magazine)

About Cypridina hilgendorfii from wiki(我从wiki上收集到的Cypridina hilgendorfii信息)

Vargula hilgendorfii, sometimes called the sea-firefly, one of three bioluminescent species known in Japan as umi-hotaru, is a species of ostracod crustacean. It is the only member of genus Vargula to inhabit Japanese waters; all other members of its genus inhabit the Gulf of Mexico, the Caribbean Sea, and waters off the coast of California. V. hilgendorfii was formerly more common, but its numbers have recently fallen significantly.

why the Cypridina hilgendorfii can light(wei )

V. hilgendorfii is known for its bioluminescence. It produces a blue-coloured light by a specialized chemical reaction of the substrate luciferin and the enzyme luciferase.The luciferase enzyme consists of a 555 amino acid long peptide with a molecular mass of 61627 u, while the luciferine vargulin has only a mass of 405.5 u. A suggested biosynthesis for vargulin divides the molecule into a tryptophan, a arginin and a isoleucine subunit.

希根海萤是可发光的微生物，它用由基体荧光素和荧光素酶产生化学而产生的蓝光。荧光素酶由555个氨基酸肽长分子量是61627U，而荧光素只有405.5U，这时候分子就不断转变为色氨酸，精氨酸、异亮氨酸组。

我可爱的服务器终于有回复正常了

Wed, 05 May 2010 15:25:01 +0000

服务器换成了电信机房，拥有了多条线路（电信、网通、铁通、移动），访问速度会快很多。

Linux/unix Shell CheatSheet

Wed, 21 Apr 2010 02:56:19 +0000

这个文件只能在登入之后下载。请先注册或登入

Dock and Palm Trees, Tahiti

Tue, 20 Apr 2010 06:15:47 +0000

A dock juts out to a small palm island, surrounded by the jewel-blue waters of Tahiti. Tahiti is just one of 118 islands and atolls that make up French Polynesia, a semi-autonomous territory of France. With its claim here and on other Pacific territories, France is the second largest presence (after the United States) in the Pacific.

一个巴掌大的海岛码头，被浅蓝色的海水包围，这就是塔希提岛，塔希提岛是组成法属波利尼西亚的118个岛屿之一，一个半自治的法国领土。除了美国，法国是太平洋地区最大的领土拥有国了。

linux最常用的命令收集

Wed, 17 Mar 2010 12:48:04 +0000

系统

# uname -a # 查看内核/操作系统/CPU信息
# head -n 1 /etc/issue # 查看操作系统版本
# cat /proc/cpuinfo # 查看CPU信息
# hostname # 查看计算机名
# lspci -tv # 列出所有PCI设备
# lsusb -tv # 列出所有USB设备
# lsmod # 列出加载的内核模块
# env # 查看环境变量资源

资源

# free -m # 查看内存使用量和交换区使用量
# df -h # 查看各分区使用情况
# du -sh <目录名> # 查看指定目录的大小
# grep MemTotal /proc/meminfo # 查看内存总量
# grep MemFree /proc/meminfo # 查看空闲内存量
# uptime # 查看系统运行时间、用户数、负载
# cat /proc/loadavg # 查看系统负载磁盘和分区

磁盘和分区

# mount | column -t # 查看挂接的分区状态
# fdisk -l # 查看所有分区
# swapon -s # 查看所有交换分区
# hdparm -i /dev/hda # 查看磁盘参数(仅适用于IDE设备)
# dmesg | grep IDE # 查看启动时IDE设备检测状况网络

网络

# ifconfig # 查看所有网络接口的属性
# iptables -L # 查看防火墙设置
# route -n # 查看路由表
# netstat -lntp # 查看所有监听端口
# netstat -antp # 查看所有已经建立的连接
# netstat -s # 查看网络统计信息进程

进程

# ps -ef # 查看所有进程
# top # 实时显示进程状态用户

用户

# w # 查看活动用户
# id <用户名> # 查看指定用户信息
# last # 查看用户登录日志
# cut -d: -f1 /etc/passwd # 查看系统所有用户
# cut -d: -f1 /etc/group # 查看系统所有组
# crontab -l # 查看当前用户的计划任务服务

服务

# chkconfig --list # 列出所有系统服务
# chkconfig --list | grep on # 列出所有启动的系统服务程序

程序

# rpm -qa # 查看所有安装的软件包

双星（抗衡的力量）

Sun, 14 Mar 2010 15:05:42 +0000

Two extremely dense stars in an intimate dance are spinning around each other in just 5.4 minutes—making them the fastest known stellar partners in the galaxy, astronomers have confirmed.

To have such a speedy orbit, the stars must be moving at about 310 miles (500 kilometers) a second, the team calculates.

The whirling duo, known as HM Cancri, also has the tightest orbit of any known "binary" star system. (Related: "First Proof 'Tight' Double Suns Can Have Planets.")

Both stars are white dwarfs—the dense, white-hot remnants left behind when sunlike stars die. The stellar corpses are separated by no more than three times the width of Earth.

In such tight quarters, hot gases flow between the two stars, releasing huge amounts of energy.

"This is the most extreme example of one of these double white dwarf systems we have so far," said study co-author Danny Steeghs of the University of Warwick in the U.K.