March 2009 Archives

數學符號的念法

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Letter Name
Α α alpha
Β β beta
Γ γ gamma
Δ δ delta
Ε ε epsilon
Ζ ζ zeta
Η η eta
Θ θ theta
Ι ι iota
Κ κ kappa
Λ λ lambda
Ψ ψ psi
Μ μ mu
Ν ν nu
Ξ ξ xi
Ο ο omicron
Π π pi
Ρ ρ rho
Σ σ sigma
Τ τ tau
Υ υ upsilon
Φ φ phi
Χ χ chi
Ω ω omega

Google AJAX Language API

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Reference:
Google Translate API
Google AJAX Language API






VMware VIX API

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Opportunistic Locking

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Windows File Server
Samba File Server
If you want to use the oplock of your file server, the configuration link is started above.

DB2 SQL isolation-clause

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>>-WITH--+-CS------------------+-------------------------------><
               +-UR------------------+
               +-RR--+-------------+-+
                |        '-lock-clause-' |
                '-RS--+-------------+-'
                         '-lock-clause-'

lock-clause

|--USE AND KEEP--+-EXCLUSIVE-+--LOCKS---------------------------|
                             +-UPDATE----+
                              '-SHARE-----'

CS - Cursor stability
UR - Uncommitted read
RR - Repeatable read
RR lock-clause
Repeatable read, using and keeping the type of lock that is specified in lock-clause on all accessed pages and rows
RS - Read stability
RS lock-clause
Read stability, using and keeping the type of lock that is specified in lock-clause on all accessed pages and rows


lock-clause
Specifies the type of lock.

USE AND KEEP EXCLUSIVE LOCKS
USE AND KEEP UPDATE LOCKS
USE AND KEEP SHARE LOCKS
Specifies that DB2® is to acquire and hold X, U, or S locks, respectively.

From 萬芳醫院副院長許明暉
1.改善溝通(improve communication)
2.提供資訊與知識取得管道(make information and knowledge more readily accessible)
3.協助計算(assist with calculations)
4.監測(monitoring)
5.決策支援(decision support)

dmraid setup guide

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FakeRaid指南
dmraid 介紹:Linux 上應用 ATA / SATA RAID 技術
1.sudo apt-get install dmraid
2.dmraid -a y
3.sudo fdisk -l /dev/mapper/isw_XXXXXXX
4.reboot
5.fdisk /dev/mapper/isw_XXXXXXX
6.mkfs.xxx /dev/mapper/isw_XXXXXXp1 and p2
7.modify /etc/fstab, use device name, not UUID.

March 2010

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