http://aipl.ie.cuhk.edu.hk/~adrian/ 2009-11-22T14:15:07+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/ http://aipl.ie.cuhk.edu.hk/~adrian/lib/images/favicon.ico text/html 2007-05-04T12:58:43+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/100years?rev=1178254723 The speech in Law School of the National Taiwan University in 1999, Available here: <http://ykk.open168.com/article.php/27> Below is the copy: ---------- 百年思索 在台灣，我大概一年只做一次演講。今天之所以願意來跟法學院的同學談談人文素養的必要，主要是由於看到台灣解嚴以來變成如此政治淹蓋一切的一個社會，而我又當然不能不注意到，要領導台灣進入二十一世紀的政治人物裡有相當高的比例來自�… text/html 2006-08-24T00:08:37+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/10a?rev=1156349317 蘋果日報 2006-08-23 宋漢生 陳易希的會考成績惹來網上猜測，甚至有人開出盤口，熱鬧非常。昨日摘星少年終於揭盅，共得十二分，不高，但也不如大家所猜般低。有人心有不甘，大聲喊冤：十二分也可以直升科大，天理何在？中英不及格，也獲獎學金鼓勵，還成甚麼世界？明顯是不公平競爭！當然，科大破格力邀，可能有博宣傳之嫌。當然，如果陳易希考得更好，可以省卻�… text/html 2005-12-14T13:06:21+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/10truths?rev=1134536781 (from <http://www.misterorange.com/2005/12/top-10-system-administrator-truths.html>, dated 2 December 2005) I figure with enough time and effort, anyone could be a System Administrator. Really, it’s not hard, it just takes practice, methodology, and trial and error. A lot of trial and error. These truths will certainly get you on your way. Let’s get started. text/html 2007-05-28T08:35:14+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/3x4?rev=1180312514 On last Friday, I held a “bookclub” meeting with Prof Ng et al. I learnt from him about a strategy: 3-by-4. The 3-by-4 means that, take 3 time a week, spend 4 hours consecutively to do one thing. He said, many many one-hour slot cannot make any use. A few long time slot, however, can let you concentrate and do something great. text/html 2005-10-13T11:53:28+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/50mm-f1.8?rev=1129175608 I bought a new lens on Monday. Thanks to the suggestion and help of Ah-Guy. A very nice piece of toy! This is its picture. tag:hobbies text/html 2007-05-11T13:39:15+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/acidfree?rev=1178861955 Often I read from the covers of a book that claim it was printed on acid-free paper. I thought it was some environmental protection issue, but actually it was not. Acid-free paper is made of a basic (pH >= 7) pulp which means it is acid-free. This kind of paper will not degrade in air or heat and hence it is preserved longer. text/html 2005-10-13T23:50:11+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/aiplab?rev=1129218611 今日無mood做野，所以用左少少時間tune靚個dokuwiki。之後，覺得幾OK同埋發覺個CSS+Template唔難改，所以就用左Cathy做既logo整左個網頁俾自己個lab。佢依家係呢度: <http://aipl.ie.cuhk.edu.hk/doku/> 佢同我依家呢個最大分別就係ACL，都用左唔少時間改code，但係又幾有滿足感！ text/html 2006-08-30T17:34:19+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/ajax?rev=1156930459 See my wedding photos: <http://www.ieaa.org/~adrian/wedding/> and it uses AJAX! It rocks! We need no Flash for that anymore. tag:code text/html 2007-06-04T17:18:44+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/apache2?rev=1180948724 I helped my previous laboratory to move the server, and upgrade to Debian 4.0r0 with Apache 2. Upgrading to Apache 2 is somewhat tedious, because a lot of configuration need to be changed. Below are two notes: Virtual Host The correct way of doing in Apache 2 is to text/html 2007-06-21T12:36:13+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/billgates?rev=1182400573 This is the address given by Bill Gates on June 7, when he got his hon doctorate. This is about global inequity. Personally, not as good as Steve Jobs’. Text President Bok, former President Rudenstine, incoming President Faust, members of the Harvard Corporation and the Board of Overseers, members of the faculty, parents, and especially, the graduates: text/html 2008-06-20T03:47:46+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/blessyou?rev=1213904866 `Old-fashioned people still say “bless you” when one sneezes, but they have forgotten the reason for the custom. The reason was that people were thought to sneeze out their souls, and before their souls could get back lurking demons were apt to enter the unsouled body; but if any one said “God bless you,” the demons were frightened off.’ text/html 2007-04-30T00:46:21+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/books4you?rev=1177865181 是日行愉林，取得免費雜誌《讀書好》第二期一本：<http://www.books4you.com.hk/> 對愛書之人來說，這是一本難得的文化刊物，談的都是書和作者的事。自然的，一如所料，少不了書評，但從書評的文字功架，就看得出此刊的寫手絕非泛泛之輩。本期的寫手包括劉細良、梁文道、蔡子強、蔡東豪、趙永佳等人。 text/html 2005-11-08T15:00:18+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/charleskao?rev=1131433218 I just got the photo. It was taken in Oct 18 and at that day, I asked Professor Kao to give me an autograph on his autobiography. tag:life text/html 2007-12-12T09:06:02+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/chinese?rev=1197421562 非熟用正體，不能察簡體之殘；非深暗文言，不能知白話之陋。反對者多，可見中華精髓斷裂之深；惡言者眾，方知九州萬民學識之淺。「革命」遺毒之廣、傳統破壞之劇，非常人所能想像。欲復文言與正體，余以為必要至極！ text/html 2008-04-13T10:55:28+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/choileefaat?rev=1208055328 近日在網上找到的片段： <http://www.56.com/w17/play_album-aid-420709_vid-MTM0NDk3MDc.html> 這是一堆蔡李佛拳的演示，都是我之前學過的鴻勝（李冠雄師公流傳下來的）那種。看來像是師公傳到美國去的武館所拍的，不然都不會用英文和廣東話解說。穿拋掛捎插我還記得，但是可惜好像再不能在網上找到拳譜了，勉強只有在大陸見過雄勝門的小梅花拳譜，跟師公的版本有點兒出入。 text/html 2007-12-29T08:22:25+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/chrispatten?rev=1198887745 This is the Governor's Speech at Farewell Ceremony of Hong Kong Handover, by Christopher Patten on 30 June 1997. He is the greatest Governor ever in the history of Hong Kong, and established a model for a well-performed government. It is a pity that he cannot continue to manage the city and we never have one that can replace him so far (may be due to the sovereignty reason --- you know, all clever people in the communist party are dead!) text/html 2006-03-25T17:45:20+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/constpointer?rev=1143279920 A short note to everyone who programs in C: * const X* = a pointer to a constant stuff * X* const = a pointer that the memory address can’t be changed * const X* const = both tag:code text/html 2005-11-10T12:25:32+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/controltheory?rev=1131596732 Recently, I start studying control theory. Actually I have a cource on that in my undergraduate (named Signal and System) but I really had no idea what it was talking about at that time. This is a ‘revisit’ to control theory after so many years and seems that, it is a fabulous topic --- enjoyable to learn. At this moment, I cannot call myself familiar to this topic but at least I get a sense on those things like ‘Laplace transform analysis’, ‘transfer function’, ‘poles’, ‘Blod… text/html 2006-04-18T15:39:05+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/cs_research?rev=1145345945 First of all, look at <http://www.cs.purdue.edu/homes/dec/essay.topic.generator.html> and <http://www.cs.ucsd.edu/users/braghava/systems-topic-generator.html> These are so called “topic-generators”. Actually, it is quite true that the CS research nowadays are quite useless --- thousands of people doing tons of research but for no special purpose and no real motivation. If we really rely on the topic generator to find a topic to research on, this subject is dying. text/html 2007-05-15T14:14:53+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/cusp?rev=1179209693 近日之中大學生報事件鬧得熱烘烘，我的立場是同情學生報的，只是一如某人所言，如民主黨般的眼高手低罷了。今日讀了兩位學人的文章，有忱，轉錄如下： 蔡子強：愛在漫天風雨時——再評中大學生報事件 （明報 5月15日 星期二） text/html 2007-03-20T11:17:23+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/dokuwiki_is_great?rev=1174360643 It is better than the previous versions now! Looks great, especially to serve as my bliki. tag:wiki text/html 2006-04-24T14:26:21+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/dovecot?rev=1145859981 Recently, I changed the IMAP daemon used in IEAA server from UW-IMAPd (which is using mbox format) to Dovecot. The transition is easy, but not trivial as I originally expect. Here are the steps if you want to do so: * apt-get install dovecot-imapd, usually, your old imapd would be removed * then, edit /etc/dovecot/dovecot.conf, simply change the line protocols=, to make it support for imap protocol on 143 port * make sure default_mail_env = mbox:%h/mail:INBOX=/var/mail/%u, which should b… text/html 2007-11-07T00:15:45+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/dyndns?rev=1194365745 很久沒用DynDNS了，以前因為工作關係，有很多不同的系統在不同的地方，為方便遙控管理，所以是DynDNS的Heavy user。最近我的帳戶都因太久沒動而被砍了，但現在發覺學校不像中大般是用MAC Address固定DHCP，正因如此，DynDNS又要出動了。 text/html 2007-10-12T01:55:34+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/engineeringsucks?rev=1192125334 It was told that, in the United States, all the science and engineering schools don’t get the reputation as the arts and humanities counterpart. That’s true --- that’s why people always said Harvard, Princeton, Yale, etc as the top school in the United States. MIT is an exception because there is a lot of Nobel Laureates, but how many people knows Nobel prize if there is not so much cash awarded? text/html 2007-06-23T13:00:55+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/fannylaw?rev=1182574855 此乃本周大事，然，其公開信卻令一眾教育界同業感到其不憤與怨鬱。是日陶傑有文一則，論及此事。 羅范椒芬發辭職公開信 2007年6月21日 HKT: 下午 10:00:00 我的辭職決定 各位朋友： 　　我已經於六月十八日（星期一）向行政長官遞交辭職信，決定離開服務了三十二年的公務員行列。不過行政長官當時拒絕接受，今天我收到教育學院調查聆訊委員會的報告，我已經再次向行… text/html 2006-08-24T12:51:34+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/feynman?rev=1156395094 Physics is like sex: sure, it may give some practical results, but that’s not why we do it. No problem is too small or too trivial if we can really do something about it. tag:life text/html 2006-03-24T01:45:54+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/feynman_interview?rev=1143135954 This is a funny piece of writing that’s around the web. ---------- Interviewer: Now comes the part of the interview where we ask a question to test your creative thinking ability. Don’t think too hard about it, just apply everyday common sense, and describe your reasoning process. text/html 2005-10-07T18:17:11+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/fishpond?rev=1128680231 這是今天中午吃飯時，從茶餐廳的伙記閒談中聽到的一句說話。這句話卻突然令自己想起自己那個三十歲前的挑戰──幾年前自己本科剛畢業時的經歷。 ---------- 這是2004年七月二十四日，記於School Net的Internal Blog上的一段牢騷: text/html 2006-03-16T20:00:31+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/flowers?rev=1142510431 Once in a while, I will suffer from some sort of periodic psychological instability syndrome. I just get confused by so many stuff around me and I cannot be cheered up to do my work. So in this afternoon, I pick up my cam and go outside to take some photos. text/html 2007-06-04T22:24:43+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/fukguy?rev=1180967083 臨近七一，回歸十周年，網上流傳贈興之作。茲保留於此，以為紀。 下載：[WMV]格式 tag:world text/html 2004-12-04T01:08:40+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/getridofshare?rev=1102093720 As a snapshot lover, I always get some camera-shaking photos and sometimes I really wanna correct it.....I know the theory (LNCS 3023: Bayesian Correction of Image Intensity with Spatial Consideration, by some guy from HKUST. See also <http://www.nikon.co.jp/main/eng/society/tec-rep/tr8-vr_e.htm Nikon> for the shake-prevention technologies used in camera) but I just didn’t get the software for long! text/html 2007-05-24T00:20:25+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/gmail?rev=1179937225 I used Gmail for a quite long time, but not really seriously. It is because I cannot really migrate to Gmail completely as I got a huge compilation of mails that I cannot leave behind. To import old mails to Gmail is easy: Search on Google and you will find a bunch of importer such as GML. However, recently I search again, somebody tells that there is a import feature from Google finally. text/html 2005-06-30T11:43:08+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/goodgrades?rev=1120102988 I just signed the year report for my study. Somehow, I get only one A in this year, and this is the thoughest course ever: Information theory. However, I do realize how I can get a good grade: In general, I can get an A easily in a 1000-level course, but I am unable to get anything more than a B- in a 3000-level. In 4000-level I can get B+ but I can only get an A in 5000-level. text/html 2006-02-02T16:39:08+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/google?rev=1138869548 My most favorible company, Google, becomes evil. It now starts to give censored result for the Communist China. You can compare this and this. I would suggest Google use a brand name other than Google in China to give a signal to the world that it is still an ethical company. text/html 2006-04-23T23:20:16+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/googlechina?rev=1145805616 First of all, read the following article Google's China Problem (and China's Google Problem) By CLIVE THOMPSON Published: April 23, 2006 For many young people in China, Kai-Fu Lee is a celebrity. Not quite on the level of a movie star like Edison Chen or the singers in the boy band F4, but for a 44-year-old computer scientist who invariably appears in a somber dark suit, he can really draw a crowd. When Lee, the new head of operations for Google in China, gave a lecture at one Chinese unive… text/html 2006-06-27T15:29:28+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/googleplex?rev=1151393368 Some of my friends knew that I was invited to Googleplex for an job interview last month. Here are two pictures for you the curious guys: The building which I have been and their sign board. tag:life text/html 2007-04-10T16:53:05+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/gradsong?rev=1176195185 源：老夫子OST 曲：鍾志榮 詞：鍾志榮 編：張兆鴻 主唱：老夫子、秦先生、大番薯 莘莘學子今日行過畢業禮ˉ大個仔 咪再以為自己年紀仲細ˉ好好打算未來 要個個好人ˉ唔一定下下要充ˉ大頭鬼 text/html 2005-10-17T12:19:29+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/gre?rev=1129522769 The second part of my GRE exam is coming. It is on Oct 22, the coming saturday. Frankly speaking, this is not a good exam. I can’t see any relationship between vocabulary memorization skills and graduate study. I know that, for some disciplines, good vocabulary is very important. But this is not a generally required skill. I tried the practice papers but I scored pretty low. text/html 2005-12-08T12:58:28+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/gre2?rev=1134017908 Verbal: 410, 33% Below Quantitative: 800 (full score), 92% below Analytical writing: 4.5, 51% below Not bad in quantitative, but I don’t expect my analytical writing to be so poor....Probably my English is really awful. tag:life text/html 2007-01-12T17:04:35+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/grecs?rev=1168592675 Score released. Not good. Just 800 points or 78% below. tag:life text/html 2007-04-18T02:39:23+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/huawei?rev=1176835163 I am currently using Hutchison Broadband at home. It is a VDSL link and PPPoE is required. I have no comment about the speed: I didn’t stress tested it and I found myself happy for whatever I downloaded. However, it is very disgusting that the VDSL modem hangs always! text/html 2007-08-06T01:47:20+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/ieee80211_crypt_wep?rev=1186336040 Since some recent version of the Linux kernel, the WEP on WiFi is broken. I upgraded my notebook to kernel 2.6.21 some months ago and until now, I need some WEP to connect to Internet. It was OK before but I found it shows the following message when I try to set the WEP key using iwconfig: text/html 2007-06-01T21:35:30+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/ieeebob?rev=1180704930 Yesterday, I came across the Swindon Bookstore and found a book “Best of the Best: Fifty Years of Communications and Networking Research” by IEEE Communications Society. It is to celebrate its 50th anniversary and this book is a compilation of some 56 important papers. text/html 2007-10-12T02:14:12+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/index?rev=1192126452 text/html 2005-11-01T16:27:21+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/infocom?rev=1130833641 My paper has been rejected. But I cannot understand why it is so. Depressed. tag:research text/html 2006-08-16T00:50:49+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/javastring?rev=1155660649 I learnt something about Java’s string over here. Basically, it says, String data = ""; String s; while ( (s=reader.readLine()) != null) { data += s + " "; // After compiler: // data = new StringBuffer(data).append(s).append(" ").toString(); }; System.out.println(data); text/html 2006-03-09T17:16:50+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/jobs?rev=1141895810 唔知點解，自從我完左所有Thesis野之後，我一直得緊個D Admission offer就等極都唔見，我唔係好渴求個D野就成日都有。好似今日咁，我就去左見個舊朋友，話不如出黎搞檔野做老細，又有一個Trunk call做左一個Phone interview，其他Email不計其數。 text/html 2007-08-06T11:56:55+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/jukebox?rev=1186372615 When you started using Mac, you will be in a big trouble: Your iTune-manipulated music files are having the ID3 tags in UnicodeLittle. So in case you have a lot of these, how can you see them nicely in Linux? I was using XMMS, but it no longer works for the UnicodeLittle ID3. The Beep Media Player (BMPx) is the same. Banshee is too big, so long as I am not using GNOME. Finally, I found “audacious” --- it works fine. text/html 2005-11-02T19:17:44+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/knuthcheck?rev=1130930264 I have a Knuth Check! Actually, I got the cheque in summer, but just get it digitalized today. tag:life text/html 2005-10-24T01:54:29+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/korea?rev=1130090069 This night, I watched ATV for the program 金錢世界. It said, the Korea economy is blooming and continue to bloom, although there is already 30+ percentage increase in all the Korea-investing funds this year. Seems I made a wrong decision in my investment. text/html 2007-05-22T14:38:16+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/letter?rev=1179815896 來自某日的蘋果日報名采版： 蔡瀾：給爸爸的信 一個父親經過兒子的房間，發現門打開，覺得有點不對，一向雜亂無章，但今天整整齊齊，床單也鋪直了。 走進去，他看到床的中間擺一封信，上面寫有：「致爸爸」。 text/html 2006-02-02T16:31:35+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/lettertohu?rev=1138869095 This is an open letter by 龍應台 to Hu Jin Tao, the President of the Communist China, published in today’s 明報. I always believe that she’s a very excellent writer. This is yet another evidence. ---------- 請用文明來說服我——給胡錦濤先生的公開信 text/html 2005-10-04T21:09:11+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/listplugin?rev=1128431351 I am sorry to know about DokuWiki so late! It is a fabulous wiki system and fits all my expectation for a good wiki. Of course, for a personal wiki is excellent but anything in larger scale may fail. Anyway, I have an idea for a blog+wiki for a long time. And Dokuwiki is so great that it works with my idea --- by using blog plugin from Esther Brunner. However, I found it does not exactly fit because it will search for the changelog only. I know it is because of performance issue, but sometimes… text/html 2005-12-02T11:55:10+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/lj?rev=1133495710 Bravo! I got the reply from LJ. So I can start my writing. But....I got so many things the do already. tag:life text/html 2007-07-02T14:32:10+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/loremipsum?rev=1183357930 Lorem ipsum dolor sit amet, consectetuer adipiscing elit, sed diam nonummy nibh euismod tincidunt ut laoreet dolore magna aliquam erat volutpat. Ut wisi enim ad minim veniam, quis nostrud exerci tation ullamcorper suscipit lobortis nisl ut aliquip ex ea commodo consequat. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore eu feugiat nulla facilisis at vero eros et accumsan et iusto odio dignissim qui blandit praesent luptatum zzril delenit a… text/html 2007-06-08T18:24:26+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/macnoppix?rev=1181298266 My lab got a big mac --- from Apple, not McDonalds. It is a 20 inch iMac with Core2Duo processor. Recently I burned a DVD Knoppix 5.1.1 and I tried with the iMac: IT WORKS! Put the DVD onto the drive and reboot with “C” key held, then it boots like normal. text/html 2006-03-18T16:42:19+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/math?rev=1142671339 It is a long long time belief: My math skill sucks! I decided to read through (actually, do all problems once) the captioned title, in one year’s time. TitleBerkeley Problems in Mathematics 3/eAuthorPaulo Ney de Souza, Jorge-Nuno SilvaPublisherSpringerYear2004How I get itULib QA43 D38 2004 tag:life, tag:research text/html 2006-02-16T00:56:25+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/mayingjeou?rev=1140022585 馬英九 gave a public lecture in London School of Economics on Monday 13 February 2006. [This] is the transcript and the below is the translation by 明報: ---------- 跨越對立 東亞和平的構想 I‧歷史的交會與三民主義 ●歷史的交會 text/html 2007-04-26T17:11:53+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/mengsuck?rev=1177578713 新學的字： 㒼，本音蠻，為「物之平滿，無孔，實心之狀」。「㒼塞」即無知不通，stubborn也。 點解學左呢個字？遲下再講。 tag:life text/html 2007-06-06T09:00:21+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/mooc?rev=1181091621 Max推介的好東西：(源自<http://xkcd.com/c256.html>) tag:life, tag:nice_read text/html 2005-10-07T17:59:37+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/mptoeps?rev=1128679177 The FAQ for MetaPost drawing is why ghostview cannot preview the picture but you can still included in LaTeX. Actually, this is due to the fact that, MP output is not a completely valid postscript, but just a partial file. Whenever you included some text, it cannot understand where to find the font as the font-related header is missing. No way to fix, this is a feature! text/html 2005-01-15T13:02:54+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/networktools?rev=1105765374 The following are list of some tools that might be useful for network management. ---------- Scanning tools * nessus * portscan (avail: <http://www.ussrback.com/UNIX/unixscanners.htm>) * strobe * arpwatch Throughput measurement * ttcp * netperf * iperf text/html 2005-12-03T01:59:18+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/nkorea?rev=1133546358 從網上看到的。 ---------- 〈金正日爺爺認錯〉 ——北韓小學課本新課文 從中國訪問回來，金正日爺爺全然不顧身體的疲憊，連夜找我們幾個小標兵商量兒童節日的安排。談得晚了，便送我們出門，要司機送我們回家。在去大門口的路上，我們說：「金爺爺，您回去休息吧。您剛從中國回來。」金爺爺搖搖頭，「不礙事，你們知道現在國際上有很多人把社會主義當作敵人，�… text/html 2006-05-18T17:55:01+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/nokia6270?rev=1147946101 I retired my old phone (I’ve been using it for last 3-4 years) and get Nokia 6270. Color display, built-in media player, radio, and allows a mini-SD card for expansion, which are all good things. However, I found that there are two bugs: Firstly, whenever it is not English in the id3 “artist” and “title” field of a MP3, it shows a mess on the screen when you play it. It is not a matter on the display algorithm but I think it is just a bug that Nokia needs to fix. The solution for that… text/html 2007-08-24T22:53:27+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/nolinux?rev=1187967207 In case you want some little privacy, the first step is to dump Microsoft OS. Why? Because the US Government cannot monitor activity in the Linux OS. See the news on Slashdot. tag:world text/html 2006-03-02T12:44:45+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/ns2?rev=1141274685 I played with NS2 for some time. However, that’s definitely not a good experience. The development of a protocol has so many things to concern and that’s far too different from the theoretical analysis. I was going to implement the admission control protocol in NS2, but as I get into the coding, I firstly found too little understanding about the NS2 system, then found the protocol in my mind is not fully grown, then found the implementation quite buggy. Once you fixed all the bug, and smoke … text/html 2006-02-15T03:16:48+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/ns_guide?rev=1139944608 Finished a NS2 guide. I wrote it for several days, as I am hacking the code and reading the documentation. I put it here. Enjoy. tag:research text/html 2007-07-17T03:05:00+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/nsa?rev=1184612700 <http://www.stevenforrest.com/directory.html#KERRY> text/html 2007-10-03T22:42:52+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/nyc-2007-10-1?rev=1191422572 新地方，新生活。但感覺上還是香港好。 tag:life text/html 2007-08-29T16:13:05+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/peregrine?rev=1188375185 網上看到如下的一個比較，甚為有趣，故且看看預言確否： tag:world text/html 2006-07-26T16:09:50+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/phd?rev=1153901390 Ph.D.不是一個學位、不是一個社會地位、不是一種學歷、也不是一種經驗。它是一種修為。道行夠的，就和它相稱；資質差的，就和它無緣。很玄。所以，它的名字叫哲學博士。 要個Doctorate有很多方法，Honoris Causa是一種，要不然，也有很多taught degree。偏偏要選個最辛苦的doctorate，為甚麼？修行罷了！ text/html 2007-12-08T02:53:09+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/photo12tips?rev=1197053589 From: <http://hkavmode.blogspot.com/2007/11/12.html> 攝影是一門技術，同樣也是經驗的積累。下面是無數攝影師的經驗匯聚而成的12條最經典、實用的攝影技巧Tips，將其熟記於心，將幫助你應對很多難以掌控的拍攝場景。推薦收藏。 text/html 2007-08-16T15:54:02+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/politicallyincorrect?rev=1187250842 A post on Psychology Today, It explains why on these: * Men like blond bombshells (and women want to look like them) * Humans are naturally polygamous * Most women benefit from polygyny, while most men benefit from monogamy * Most suicide bombers are Muslim * Having sons reduces the likelihood of divorce * Beautiful people have more daughters * What Bill Gates and Paul McCartney have in common with criminals * The midlife crisis is a myth—sort of * It’s natural for polit… text/html 2007-03-31T01:55:03+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/ppt?rev=1175277303 It is long time belief of me: PowerPoint makes you dumb. It is not a mistake of the PowerPoint programmers, but the way of presentation they encouraged. That’s why I love the old way of presentation: using overhead projectors and transparencies. text/html 2006-09-24T15:59:07+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/productivity?rev=1159084747 Things can help productivity: * Clean and tidy atmosphere * Comfort seats, with handy water/tea * Tools: Task lists, Calendars, Notebooks, in a organized way * Avoid distractions * In your $SHELL: Write scripts, alias, etc. to ease the tasks * Avoid M$ windows, use a Mac/Linux * Keep meetings short text/html 2005-01-07T11:51:33+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/racist?rev=1105069893 <http://books.slashdot.org/article.pl?sid=04/12/16/2319240&tid=192&tid=156&tid=103&tid=6> The above link is a book review from Slashdot. Something there are inspiring (of course, the main text is included). I copied one of the comment here: “pick one: H1b or chinese outsourcing by Anonymous Coward on Friday December 17, @09:17AM (#11111039) I’m a former H1b worker, back in Europe (for a couple of years now) after nearly six years in Silicon Valley. I think I gave pretty good value for mo… text/html 2007-04-18T12:10:57+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/russell?rev=1176869457 Bertrand Arthur William Russell (18 May 1872 – 2 February 1970), Nobel Laureate in Literature in 1950, is my favorite philosopher. He is the guy who coined the names Pure Mathematics and Applied Mathematics. In his autobiography, he wrote the following insightful prologue, which titled What I Have Lived For: text/html 2006-11-06T17:41:10+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/scanphoto?rev=1162806070 Recently, I got a big task: To scan hundreds of photo prints. I had no idea how to preserve the detail in photos but the following page helps: <http://www.scantips.com/resolut.html> In summary, photo prints are not designed to preserve detail. Scanning at higher than 200dpi is worthless. However, film negatives can contain information on up to 3000dpi, of course, different film brands varies. text/html 2006-03-08T23:35:40+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/sctp?rev=1141832140 An exceptionally good (in terms of entropy/length ratio) article that introduces SCTP: <http://www-128.ibm.com/developerworks/linux/library/l-sctp/?ca=dgr-lnxw01SCTP> tag:research text/html 2007-07-17T03:03:48+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/sijetaiscarla?rev=1184612628 近日在邊寫AJAX邊聽我的MP3收藏品，發現原來薛凱琪有首Si j’etais Carla（如果我是Carla），想不到這位小妹妹的發音一點也不差，望外。 歌詞和我的肉腳繙譯如下： Si j’etais elle, je lui dirais de se blottir dans mes bras tout contre moi 如果我是她，我會叫他偎依在我的懷裏緊靠著我 Si j’etais elle, je lui dirais tout ce qu’elle ne lui dit pas 如果我是她，我會告訴他她不敢對他說的話 Tout mes rêve… text/html 2006-04-10T20:15:39+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/simchinese?rev=1144671339 2006年03月30日 蘋果日報 李怡專欄：親不見，愛無心 聯合國決定中文廢繁體字，全部文本用簡體字，國民黨主席馬英九訪美時回應會維護「正體字」。所謂正體字，即中國大陸與聯合國說的繁體字。於是，正、繁體與簡體字之爭，也就延繞到台灣與香港。香港是不是也要遵行簡體字呢？ text/html 2005-10-22T22:00:49+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/simp-chinese?rev=1129989649 I read across the following passage on newsgroup. A very good review to the Chinese characters. Actually, I prefer to call 正體中文 rather than 繁體, as the passage explains. What defines Chinese is the culture, the culture of thousands of years. Todays, still many mainland people claim they inherited the Chinese culture, but actually, after the Cultural Revolution, everything is gone. Their culture established by no more then 50 years --- nothing about 仁義禮智 nor contains any bit of… text/html 2007-03-31T01:55:48+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/skiplist?rev=1175277348 I learnt something interesting today: The skip list. Skip list is a data structure that happens to do similar work as a tree. However, to make a tree optimized for searching, it has to be balanced and balancing is a cost. Skip list, however, does not enforce balancing but make the “tree” probabilistically balanced. text/html 2004-12-06T22:38:51+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/solution?rev=1102343931 Sometimes ago, I was updating my Palm with my JPilot and then tried to hotsync back to the device. However, I failed -- the connection is not working. Because I hasn’t hotsync for long, hence I have no idea when was my last success. I guess the failure was due to the updated kernel, but I am not sure, and no time to fix it. But after a while, I figured out that the problem might be the USB cable -- since I’ve also tried to use the attached memory stick as a mass storage. text/html 2005-11-10T12:34:46+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/stevejobs?rev=1131597286 Chinese translation Steve Jobs說，你得找出你愛的 (You’ve got to find what you love.) 以下是蘋果電腦公司與Pixar動畫製作室執行長Steve Jobs在2005年六月12日對全體史丹佛大學畢業生的演講內容。 今天，有榮幸來到各位從世界上最好的學校之一畢業的畢業典禮上。我從來沒從大學畢業。說實話，這是我離大學畢業最近的一刻。今天，我只說三個故事，不談大道理，三個故事就好。 text/html 2005-11-26T16:48:02+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/thesis?rev=1132994882 現在的工作：寫Thesis。 經過一個多月，現在的Thesis有個鶵形，但是最不憤的反而是自己在做Simulation時的不慎，浪費了無數的時間。幸得Bruce哥及MobiTec的朋友們的慷慨捐助，現在有十八部Machine可作number chrunching。希望我可以在今天完成First Draft，星期一完成first proof read，餘下的，就看看我還可以有多少set data sample和多少時間了。 text/html 2005-12-28T17:58:26+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/thesis2?rev=1135763906 Thesis is done. Waiting for the examiners to review. Enjoy: A Study of the Coexistence of Heterogeneous Flows on Data Networks tag:research, tag:life text/html 2006-06-09T02:05:51+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/thunderbird?rev=1149789951 Recently, I switched from Mozilla suite to Thunderbird and Firefox (reason: be realistic, Moz Team really abandoned the suite). In Debian system, it is quite easy for you to do the transition, except you have to do some manual moving of files, but that’s relatively easy. However, as Mozilla suite is one application and Thunderbird and Firefox are separate, they are not by-default interoperable. text/html 2005-12-22T11:50:37+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/toefl?rev=1135223437 Wow....Just get my TOEFL score. It is 257, a little bit above my expectation. tag:life text/html 2006-09-30T14:34:38+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/torrents?rev=1159598078 Sometimes, this is useful: Ten Most Used BitTorrent Sites Compared in a glance List of torrent sites discussed above: * BTJunkie - <http://www.btjunkie.org> * BitTorrent.com - <http://www.bittorrent.com> * BushTorrent - <http://www.bushtorrent.com> * TorrentReactor - <http://www.torrentreactor.net> * isoHunt - <http://www.isohunt.com> * Meganova - <http://www.meganova.org> * Mininova - <http://www.mininova.org> * The Pirate Bay - <http://www.thepiratebay.org> * Torrent Por… text/html 2006-10-23T17:57:25+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/tpom?rev=1161597445 Finally, I can read it online: <http://fair-use.org/bertrand-russell/the-principles-of-mathematics/> This is a very very great book by Bertrand Russell, my favorite mathematican tag:research, tag:hobbies, tag:nice_read text/html 2005-11-10T13:02:26+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/travel?rev=1131598946 突然有個想法：聖誕假去陽明山看日出和雪景。 一來陽明山的日出聽說非常美，二來我真的未看過下雪是甚麼感覺，更重要的是在完成論文後給自己一個借口休息。可不知道Amy是否能同行？ text/html 2005-10-12T03:10:54+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/tvb?rev=1129057854 This is the morse code for the prologue of TVB news: - --- -.. .- -.-- -. . .-- ... tag:world, tag:nice_read text/html 2005-11-22T13:13:15+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/unmaintainable?rev=1132636395 This is a very very nice piece of article for writing unmaintainable code. Should be read by every programmer. <http://thc.org/root/phun/unmaintain.html> A copy is placed [here]. tag:code, tag:nice_read text/html 2007-10-20T01:03:55+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/usb_netinst?rev=1192813435 Yesterday, I got a computer from my school, it is: Brand Dell Optiplex 740Processor AMD Athlon 64Memory 2 x 1GB DDR2 KingstonHard disk 250GB SATAPeriperalsUSB x 7, Serial, Parallel The whole point is, firstly, it is an AMD64 machine; and secondly, it has no optical drive. But anyway, what I need is just a Debian to replce the Windoze system. text/html 2005-10-14T17:15:56+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/vaucanson?rev=1129281356 This is a LaTeX package for drawing Markov Chain pictures. Seems quite good but it uses PSTricks for the drawing, which means it may not work so well in other environments. Anyway, worth to try. Thanks Ah-Guy and Martin for the recommendation. <http://www.liafa.jussieu.fr/~lombardy/Vaucanson-G/> text/html 2007-06-15T18:59:34+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/vista?rev=1181905174 VISTA: Virus Inside, Switch to Apple! LOL tag:system text/html 2007-05-08T17:45:33+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/vj-talk?rev=1178617533 Van Jacobson gave a talk in Google HQ and it was taped here. The title of the talk is “A New Way to look at Networking”. Insightful. He said, the development of TCP/IP is to replace what telco network can’t do, namely, to remove the constrain of link route. So TCP/IP can survive even when part of the route between is broken --- because we have a lot of replacements automatically by design. However, the current TCP/IP network and the telco network are both conversational network, which dea… text/html 2007-10-24T23:00:03+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/vmware?rev=1193238003 In the past, I used to use the VMware GSX server (my university paid a lot of money for that!). I haven’t been using it for a while but now, as I want to try out something with my new Athlon64 Dell, I picked it up again. Some how, the GSX series is discontinued and VMware is only selling ESX. The original GSX becomes VMware Server and it is now a freeware! Great! text/html 2006-02-09T01:47:15+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/vmwaregsx?rev=1139420835 The point is, the VMware GSX server cannot compile correct kernel modules. The solution is as follows: * Prepare gcc 4.0 (verified, 3.3 don’t work) * Download the kernel module update from <http://ftp.cvut.cz/vmware/vmware-any-any-update96.tar.gz> * Compile Linux kernel using gcc 4.0, and use it (requires reboot) * Find a convenient place and execute tar zxf vmware-any-any-update96.tar.gz * Change to the newly created directory vmware-any-any-update96 * Run as root (i.e. sudo): .… text/html 2007-03-31T01:44:24+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/votingfairness?rev=1175276664 Recently read a blog entry titled Aggregating Inconsistency: Social Choice Theory. It talks about the consistency between voting result and voters’ preference. It is econometrically inclined and discussed the comparability of individuals’ utility. One thing I found interesting: Arrow’s paradox. I am interested with this piece of discussion because it seems to have some relation to my master thesis. I will learn more later on. text/html 2007-08-14T22:39:42+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/whygradsch?rev=1187102382 這是我很久以前在網絡上看過的文章，在Gmail把email分類時找回來，很有意思，特在此重覆一遍。 ---------- 文 研究所和大學的差別：大學所學的是人類已知的學問，研究所要探索的是未知的學問 text/html 2005-12-02T01:42:47+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/wolvesandsheeps?rev=1133458967 In a field of geometry 5×5, put down 3 wolves and 5 sheeps. However, the wolves will kill the sheeps that they see in any diagonal or axial (horizonal and vertical) directions. Actually, there is only one solution (ignoring transpose). ---------- tag:hobbies text/html 2005-10-03T16:28:06+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/youde?rev=1128328086 Submitted at the very last minute. Waiting for the email of supplying supplementary documents. Wish everything is okay. tag:life text/html 2008-04-12T03:31:26+08:00 http://aipl.ie.cuhk.edu.hk/~adrian/doku.php/blog/zhrecode?rev=1207942286 最近時間分配好像好了一點，所以可以多點做自己的事。其中一件事就是完成zhrecode。 zhrecode是我在CSE時想出來的小工具，但是難度不少。雖然它的作為是替中文作內碼轉換，也就是說GNU iconv和recode都可以做到的東西，但是因為某個笨蛋想出來的漢字簡化計劃，導致iconv和recode都不能完美地作轉換，例如說，把某UTF8內碼的文章，全是簡體字，轉為只支援正體中文的BIG5內碼就有�…