開關式穩壓電源的工作原理 
http://hi.baidu.com/diydz/blog/item/81c ... 93548.html

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How to Increase VMware Hard Disk Space 
e.g. vmware-vdiskmanager -x 25GB image.vmdk

vmware-vdiskmanager -x [extend size] [vmware image file]

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Enable Vista's Administrator Account 
First you'll need to open a command prompt in administrator mode by right-clicking and choosing "Run as administrator"

Now type the following command:
net user administrator /active:yes

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How to enable remote connect to SQL Server 2008? 
How to enable remote connect to SQL Server 2008?

1. Start > All Programs > Microsoft SQL Server 2008 > Configuration Tools > SQL Server Configuration Manager

2. SQL Server Services > SQL Server Browser > Right Click > Properties > Service > Start Mode > Automatic > Log on > Service status must be running > If not click Start > ok

3. SQL Server Services > SQL Server Browser > Right Click > Restart

4. SQL Server Network Connection > Protocol for SQL$$$$ > TCP/IP > Right Click > Properties > IP Address >

IP1=> Active=Yes, Enabled=Yes,IP Address =<machine ip address>, TCP Dynamic Port=Empty, TCP Port=1433

IP2=> Active=Yes, Enabled=Yes,IP Address =127.0.0.1, TCP Dynamic Port=Empty, TCP Port=1433

IP3=> TCP Dynamic Port=Empty, TCP Port=1433

And click ok & Restart your SQL Server Service.

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iphone 上無法選擇自訂鈐聲 
當你確定你已經正確地把音效檔轉成ACC格式
而且音效在40秒之內
並且把文檔由m4a轉成m4r
最後還利用iTune同步鈐聲後,在iPhone中還是無法選擇你的鈴聲,請用下面的方法來解決

- In iTunes menu select "Store," then "Deauthorize Computer"

- Then select "Store," then "Authorize Computer"

- A message will pop up saying "X out of X Computers are Authorized" or something to that effect.

- Sync iPhone

- Restart iPhone, go to settings, sounds, ringtones. Purchased ringtone should be on top. Unless you have some other problem...

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