Practice makes perfect Practice makes perfect

분류 전체보기

• How to eject a Kindle Touch 3rd Generation when it is USB drive mode in Linux command

  Computer/linux 2012. 2. 7. 00:01

  When I connect my Kindle to a pc for charging, it shows the following link image https://images-na.ssl-images-amazon.com/images/G/01/00/00/06/73/72/25/673722510.gif Then, it rejects "charging". doesn't allow me to read a document, so... find the right dev name, for me, it was /dev/sdc1. I am using tail -f /var/log/message with SU eject /dev/sdc One might ask, why do you need this command?. I am ..

  Read More

• 마흔이 되어

  Poem 2012. 1. 1. 03:44

  마흔이 되어 모호함과 시간의 칼을 내 심연에 꽂아, 빙- 돌려서 파내는 날들... 돌고 돌아, 처음으로, 밑바탕이 되는 토대로, 근본으로... 마흔이 되어 이제야 겟세마네 동산의 잔앞으로 지친 걸음을 겨우 겨우 한 걸음 내딛습니다. 2011년 12월31일 Yorktown, VA

  Read More

• undefined reference to `vtable for A'

  Computer/linux 2011. 12. 18. 02:45

  a header file class a : public TObject { public: A(); virtual ~A() {}; } Then I've got the linking error of g++ as follows: undefined reference to `vtable for A' The solution is to define the real destructor in source file. a header file class a : public TObject { public: A(); virtual ~A(); } a source file A::~A() { }

  Read More

• replace korean input method on debian 6

  Computer/linux 2011. 11. 30. 02:41

  * sudo apt-get remove scim * sudo apt-get install ibus-hangul im-switch * im-switch > Select ibus for input method * System-IBus Preferences> Input Medhod -> Korean or ibus-setup * Run im-switch -s ibus in a terminal, and logout & login * Reference http://www.debian.org/doc/manuals/debian-reference/ch08.en.html http://wiki.debian.org/I18n/ibus

  Read More

• prepare to do very crazy thing

  Computer/linux 2011. 10. 20. 14:33

  I am developing a customized RunControl (RC) GUI for the Qweak Experiment at JLab, because the standard RC GUI has a limited system resources and is a closed source. So I have been limited to add more features to make a simple and flexible GUI. The first attempt to ask them to provide a command line tools, at the first time, it look a quite promising, but after a quick and short test, it doesn't..

  Read More

• make an audio cd from an avi source

  Computer/linux 2011. 10. 9. 04:31

  transcode -i cd1.avi -1 -a 0 -y raw -m cd1.mp3 http://www.transcoding.org/

  Read More

• 이런..

  Coffee 2011. 9. 30. 11:59

  겨우 빔을 하나 쏘았을 뿐인데, 45분동안 지오메트리 출력한다고 삽질하고 있다. 메모리를 400M를 잡아 먹는다.. 이런..... 가야할 곳을 잘 못 정했다. 왜 다 이모양이지... 뭐가 이렇게 시스템을 많이 잡아 먹고, 뭐가 이렇게 느려... 아님 내 컴퓨터가 엄청 느린건가. 아, 내 마음에 안식이 필요하다. 의지할 곳, 기댈 곳은 오직 한곳...

  Read More

• create a thumbnail by command line

  Computer/linux 2011. 9. 27. 23:45

  imagemagick can do almost everything ..... convert -thumbnail widthxheight a.png a.thumbnail.png convert -thumbnail 120 a.png a.thumb.png (width 120px) convert -thumbnail 120x120 a.png a.thumb.png (width/height 120px) convert -thumbnail x120 a.png a.thumb.png (height 120px)

  Read More