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The technique to minimize the human voice and remain the music voice of a mp3, we can use Audacity ( audacity.sourceforge.net ). 1. Click the "down" triangle to open the menu. 2. "Split Stereo track" 3. "Mono" both track 4. Select and invert one of the track ("Effect" -> "Invert") 5. Save the MP3 Step is shown in the below picture: [ mp3 去人聲 audacity ]

Copy Virtual Box image file Use VBoxManage clonevdi There are a few steps involved in order to make a copy of a VirtualBox .vdi disk file. #1. Shut down all virtual machine and start Virtual Box main program #2. Release the .vdi file – File > Virtual Media Manager > Select the virtual machine disk to be copied > Click “Release” #3. Open command prompt (go to C:\Program Files\Sun\VirtualBox) VBoxManage clonevdi c:\myvirtualdisk\Original.vdi c:\myvirtualdisk\NewCopy.vdi #4. Add the new virtual disk image – File > Virtual Media Manager > Add #5. Re-attach original virtual disk image to its VM Reference: http://www.kernelhardware.org/make-a-copy-of-virtualbox-vdi/

If you want to use google map in PPC without data charge, you should try Terracrosser (terracrosser.com). It contains a tools to grap googlemap image from PC, then compiled to a file stored in PPC which can be read from the PPC software. It is a very good tools for traveller.

How to download internet streaming media file for offline use? In order to download the files, you need to have a software, here to introduce a software called flashget ( www.flashget.com ). Just download and install it according to the on screen instructions. After that you can go to the streaming web site and get the link. For example go to RTHK (www.rthk.org.hk) Copy the link location (e.g. http://www.rthk.org.hk/asx/rthk/tv/hkheritage08/20080702.asx) and paste it (Ctrl-V) in FlashGet, then a box will be shown click ok it will download to the directory you stated in the box. If the download did not start, try to change the link by started with rtsp:// instead of mms:// . However it was found that it does not support youtube video. For youtube video, you can use free online service like http://keepvid.com/ . To play the FLV, use the flv player (downloaded from http://download.cnet.com/FLV-Player/3000-13632_4-10467081.html?part=dl-6277687&subj=dl&tag=button ) Just try and lear...

Windows 7 build 7000 七月一日就會到期，要安新的release candidate來extend試用，官方稱要從新安裝，但從internet 發現只要小小俢改就可由7000直上7100版。 方法就是: 1. 從官網下載Windows 7 RC 2. 將ISO檔燒成DVD / 掛載ISO檔 3. 全抄所有file到硬碟中 (e.g. D:\Win7src) 4. 用notepad修改D:\Win7src\sources\cversion.ini 5. 將miniclient的value改為7000 6. 存檔後執行D:\Win7src\setup.exe 7. 升級會立即執行 8. 最後鍵入serial number 9. 完成後到期日會extend到2010年3月

FreeNAS是一個基於Linux的NAS，它有LiveCD版，安裝容易，在公司裡試了一會，覺得不錯。但上司還是覺得買一個獨立的比較好，所以沒有用落production. 這裡會有更多的資料: http://www.freenas.org/

部份節錄: "他們知道自己有問題，卻又束手無策；自己感到迷惘，又說找不到方向；認為自己已盡了力，但又得不到好結果；看完我的文章又說知易行難。所有問題背後也是病態上的心理問題，就是「拖延時間綜合症」(Procrastination) 。這英文字來自拉丁文，意思是For Tomorrow (明日才算)，從客觀心理學說，是意願與執行之間的一個大缺口。 許多人失敗不是不知自己有甚麼問題、也不是不能在我的文章中有所領悟、也不是這世界知易行難，當中最大關鍵是每個人都缺乏一種勇氣，一個「的」得起的心肝去改變去行動！" 黃毅力 力筆從心：今天事，今天做 http://www.metrohk.com.hk/index.php?cmd=detail&id=106341&search=1