Thursday, March 3. 2011Admin search FAILFriday, February 25. 2011Syncing with rsync to FAT devices(I started this as a draft two years ago, but wasn’t sure about its correctness then.) Usually, one uses the -a switch when archiving files with rsync from Unix to Unix. -a is an abbreviation for -rlptgoD, which means
but this doesn’t make sense if the target is an MS FAT device (such as a USB key) or a CIFS/SMB/Samba host, as that old file system cr4p doesn’t know anything about symbolic links, file permissions, ownerships or other Unixy properties. Thus, rsync fails to match these features at all and synchronizes every single bit of every single file again. The solution I found is to simply use the tuple of time-stamp and file size as the only criteria whether something has changed. This still results in warnings about that the time-stamps of directories couldn’t be set, but at least the sync works. An example command line could thus be $ rsync -rt $source $target
Posted by Stephan Paukner
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16:35
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Monday, January 31. 2011VOR-/ÖBB-Fahrpläne mit Android abrufen, IIINach einer ersten Auflistung einiger Möglichkeiten im April 2010 und einem Follow-Up im Juni mache ich hier nun weitere aktuelle Ergänzungen und erstelle einen Überblick, zumal immer wieder Leute zu dem Thema hier „aufschlagen“ (z.B. in den Kommentaren oder per einschlägiger Websuche). Die unten angeführte Liste ist nach meiner persönlichen Präferenz gereiht, gemäß folgender Anforderungen:
Hier nun meine Lösungen:
Zum Schluss sei noch auf eine Speziallösung hingewiesen: Offizielle RSS-Feeds über Betriebsstörungen. Ja, diese Feeds gibt es, und sie sind gut versteckt, aber via ÖBB-Streckeninformation zu finden. Sie würden sich gut z.B. in einem RSS-Widget machen. [Update 01.02.] Ein Twitter-User hat mich darauf aufmerksam gemacht, dass es offenbar im 2. Quartal eine Android-App von den ÖBB geben soll. Dies geht aus einem Kommentar auf der Facebook-Seite der ÖBB vom 5. Jänner hervor. Thursday, January 20. 2011Aftermath in the truest sense, IIOne year ago I wrote about that I was authoring a chapter for a book about mathematical imaging together with O. Christensen and H. Feichtinger. Some months ago our contribution was accepted as Chapter 29 (“Gabor Analysis for Imaging”) of Springer’s “Handbook of Mathematical Methods in Imaging” (ISBN 978-0-387-92920-0). The book is available for online access since last week for ~€600. As it has got 1607 pages, it will take me some time to read through it. As mentioned previously, our content mainly resembles the structure of my Master’s thesis from 2007, but with more mathematical rigor thanks to the two mentioned authors. Originally I wanted to recreate the pictures I had shown in my thesis, but decided to just reuse them.
Posted by Stephan Paukner
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20:09
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Thursday, December 16. 2010MTA configuration FAILFrom: SPAM@somewhere.at WTF? Monday, November 1. 2010How I'd like to use Twitter(The following is a kind of current-state analysis, maybe leading to my long intended anti-WWW rant. Honestly, I think Twitter is a broken technology. 140 characters are way too few to provide useful context. And as URLs eat from this character pool, the urge for link shorteners simply leaves this service behind broken, IMHO. Just look at this plot of the distribution of tweet lenghts: Well, some misuse Twitter as a chat, although IRC would be the technology of choice for that. I mainly use it as a news stream. In fact, Twitter changed their orientation from individual “Took a dump, ate a banana” status updates to personalized news. Although RSS or Atom are dedicated technology for collecting headlines and articles (and keeping their read/unread state), Twitter provides a unified time flow (that passes by, no matter if you read it or not). And while RSS/Atom is a kind of pull technology (i.e. you have to look at different feeds and articles for yourself), Twitter is a push variant where all elements meld into a single data stream. The problem is, in engineering terms, there’s so much noise in the data; there’s so much irrelevancy occurring in the timeline, at least in mine. I followed more and more people, like “Hey, this guy developped that app, and there’s a link to his Twitter”, or I chose to follow various companies when I noticed they had an account at Twitter. But more and more often I asked myself where a certain guy/gal I followed actually came from. I’m wasting too much time at Twitter. Meanwhile, I’m following more than 250 people. (Yeah, I think those who follow >300 are simply nuts. How the hell do they handle their timeline? How can they claim Twitter is not a distraction?) Me wants:
Of course, a lot of this already sounds like RSS. But there are tweets that are status updates per se and don’t contain URLs. It appears to me that Twitter and RSS (and maybe the whole social *BUZZWORD ALERT* media) are becoming “the HTTP of a new WWW”: It’s up to new and upcoming user interfaces to aggregate, weight, filter, sort and manage content coming from various data streams; new user interfaces for new devices, but also for the “old scholars”. I noticed recently that things are becoming better for me when using different Twitter—or rather, aggregator—clients, like TweetDeck or My6Sense. It’s becoming important for me to not just scream or hear screams, but to consume and provide relevant information. Thursday, October 21. 2010Why I rooted my phoneThis is just a note for myself what hacks I applied to my phone to make it more usable to me. This is to reproduce these settings once I flash the full Android 2.2 “FroYo” image onto my Motorola Milestone:
* Achieved by TimeTurn’s OpenRecovery for Milestone And while we’re at it: Of course the Android system has got some flaws, but I think the situation’s similar to desktop environments: The on-board software is able to provide some basic things, but it’s up to third party developers to provide apps with full functionality, especially when I think of features regarding contacts (e.g. edit groups and birthdays, share via Bluetooth or SMS), calendar (e.g. search) or e-mail (e.g. search). Further apps I have installed are on this always almost complete and up-to-date list—HTH: Continue reading "Why I rooted my phone" Monday, October 4. 2010XING SPAM FAIL
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