http://www.pkuhar.com/blog Usable Technology Thu, 25 Jun 2009 23:15:38 +0000 http://backend.userland.com/rss092 en I'm studying some sleep videos and I needed to timelapse them. The problem was adding a timecode to the video. There doesn't seem to be any accesible program supporting this. A solution that come out is to create a subtitle(.srt) file displaying the current time. 0 00:00:00,000 -> 00:00:00,999 00:00:00 1 00:00:01,000 -> 00:00:01,999 00:00:01 I wrote a ... http://www.pkuhar.com/blog/posts/2009/06/25/adding-a-timecodedatecodetimestamp-to-a-video/ I monitoring live logs bringing out some words is very helpfull. Implementing this in unix console is straightforward. Let's you monitor a log with tail tail -f log.txt You can color matched words with ANSI Console escape sequences. tail -f log.txt | sed "s/was/"$(echo -e "\\033[32m")"WAS"$(echo -e "\\033[0m")"/g" This for example translates "pero was here" ... http://www.pkuhar.com/blog/posts/2009/06/02/using-sed-to-color-specific-words-in-unix-consoles/ Gibanje cene piva v letih 1995-2009. Podatki za 1995-2008 so iz podatkov statističnega urada in normalizirani na eno dozo(0.5l). Podatek za 2009(2.3.2009) je cena Zlatoroga na www.mercator.si. ps.: če se kdo spomni kakšne so bile cene piva v lokalih v tem obdobju, naj prosim komentira. http://www.pkuhar.com/blog/posts/2009/03/02/povprecne-cene-piva-1995-2009/ I recently had problems with sound in Ubuntu. Instead of playing there were just some popping/squeaking/clicking sounds from the speakers. The other side effect was that sometimes the flash video on sites like youtube etc. just stopped after 2-3s ( I guess becouse the audio buffer was full ). I traced ... http://www.pkuhar.com/blog/posts/2008/12/18/sound-problems-with-ubuntu-810-and-flash-in-firefox/ Oktober je mesec za oblikovalske dogodke po celem svetu (a kdo ve zakaj?), tako je tudi v ljubljani mesec oblikovanja. Ne vem sicer če je BIO del meseca oblikovanja, programsko pa vsekakor spada zraven. Torej tokrat že tradicionalno na razstavi industrijskega oblikovanja BIO 21 na gradu fužine. http://www.pkuhar.com/blog/posts/2008/10/26/bio-21/ 21. in 22. sem na forumu inovacij v cankarjevem domu predstavljal novo brezžično stikalo. Več informacij bo na voljo na www.modula.si. Hvala organizatorjem za dobro organiziran dogodek. http://www.pkuhar.com/blog/posts/2008/10/26/3-slovenski-forum-inovacij/ 1) Install ffmpeg in flvtool2 ( sudo apt-get install ffmpeg flvtool2 ) 2) Create file avi2flv.sh with the following content(or download it here avi2flv.sh ): --- #!/bin/bash tempfile=$(tempfile).flv ffmpeg -y -i "$1" -r 20 -s 360x288  -deinterlace -ar 22050 "$tempfile" cat "$tempfile" | flvtool2 -U stdin "$2" rm -rf "$tempfile" --- 3) Run bash avi2flv.sh input.avi output.flv 4) Upload to ... http://www.pkuhar.com/blog/posts/2008/06/29/converting-mpegavi-to-flv-flash-movie-under-ubuntu-linux/ In c: '/n' instead of '\n': gcc will warn you, sdcc will not. ( cost 4 hours of staring into wireshark. ) In JavaScript: string.chatAt(0) -> Unknown method: Since javascript is not a strongly typed language -> 30 minutes of figuring why javascript thinks that the give object is not a string. http://www.pkuhar.com/blog/posts/2008/05/22/the-most-anoying-programming-mistakes/ Update: Kernel 2.6.25, has this problem fixed. Unfortunately this is not the version that Ubuntu 8.04 uses After updating to 8.04 the tusb3410 devices stopped working. There is a patch but it requires a new kernel version( not available for ubuntu jet ). It basically requires a change in a structure ... http://www.pkuhar.com/blog/posts/2008/04/28/tusb3410ez430-f2013-and-company-on-kernel-2624-ubuntu-804-patching/ - 18.3.2008 - Dopoldne sem grem(zasnežene ceste, pada k svina) na OOZ Sevnica s potrdilom o depozitu. Še zdej mi ni jasno, kam bodo ta depozit pripeli, glede na to da ga v sistemu ne vidjo. No izkazal se je, da ga zdej vidjo. Čudežno se je pojavil ravno takrat, ko ... http://www.pkuhar.com/blog/posts/2008/03/27/ustanovitev-podjetja-v-4-dneh-na-evem-preko-interneta-2/