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Sun Jul 23 22:00:11 HKT 2017



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Mon Jul 24 10:53:24 HKT 2017 From /weblog/ai

theory


What AI can done - http://www.inma.ucl.ac.be/~francois/blog/entries/entry_562.php

http://machinelearningmastery.com[..]om/a-tour-of-machine-learning-algorithms

How Quora do machine learning - http://www.infoq.com/cn/news/2015/12/Quora-ML https://www.linkedin.com[..]/machine-learning-quora-xavier-amatriain

And NLP - http://www.infoq.com/cn/news/2015/12/Quora-TF-IDF-NLP https://data.quora.com[..]on-Quora-Over-Time-through-Question-Text http://www.infoq.com/cn/news/2015/12/Twitter-api-notion

Recommandation libraries - http://jagto.com[..]ava-libraries-for-recommendation-system/

Overview of Recommender Algorithms – https://buildingrecommenders.wordpress.com[..]verview-of-recommender-algorithms-part-1 https://buildingrecommenders.wordpress.com[..]verview-of-recommender-algorithms-part-2 https://buildingrecommenders.wordpress.com[..]verview-of-recommender-algorithms-part-3 https://buildingrecommenders.wordpress.com[..]verview-of-recommender-algorithms-part-4 https://buildingrecommenders.wordpress.com[..]verview-of-recommender-algorithms-part-5 https://buildingrecommenders.wordpress.com[..]/the-components-of-a-recommender-system/
http://www.infoq.com[..]borative-filtering-for-recommend-systems

http://deeplearning4j.org/

Books:
Artificial Intelligence, foundations of computational agents - http://artint.info/html/ArtInt.html
Deep Learning, An MIT Press book in preparation - http://www.deeplearningbook.org/
http://www.constructedintellect.com[..]com/learning-ai-resources-links-courses/
http://neuralnetworksanddeeplearning.com/

机器学习:现在与未来 - http://www.weibo.com/ttarticle/p/show?id=2309403965913404704823

网站文章如何能自动判定是抄袭?一种算法和实践架构剖析 - http://www.infoq.com[..]rticle-utomatically-determine-plagiarism

neural network - http://pages.cs.wisc.edu/~bolo/shipyard/neural/local.html

Users-AI-application-cases-enter - http://www.infoq.com[..]2016/12/Users-AI-application-cases-enter https://news.ycombinator.com/item?id=13159908

Some more discussion of AlphaGO - https://theinitium.com/article/20170105-opinion-AI-Go/

How self driving car work - http://www.nytimes.com[..]chnology/how-self-driving-cars-work.html

人工智慧 Libratus 是如何擊敗德州撲克高手的? - https://www.inside.com.tw/2017/02/03/how-libratus-work

Good video tutorial from facebook - https://code.facebook.com[..]8519962/artificial-intelligence-revealed

MindMeld’s Guide to Building Conversational Apps - https://www.infoq.com/news/2017/02/mindmeld-guide https://docs.mindmeld.com/index.html

Time Series Anomaly Detection Algorithms, The current state of anomaly detection techniques in plain language - https://blog.statsbot.co[..]nomaly-detection-algorithms-1cef5519aef2

(google search) (amazon search)


Sun Jul 23 21:45:13 HKT 2017 From /weblog/science

human


psychology-tells-you-about-yourself - http://list25.com[..]ology-tells-you-about-yourself/?view=all

body-hacks-life-is-trying-to-hide-from-you - http://list25.com[..]ife-is-trying-to-hide-from-you/?view=all

causes-dark-circles-eyes-sleeping-people-really-tired - http://www.todayifoundout.com[..]s-sleeping-people-really-tired/?view=all

facts-about-the-human-body-you-may-not-be-aware-of - http://list25.com[..]n-body-you-may-not-be-aware-of/?view=all

blood - http://list25.com[..]you-might-not-know-about-blood/?view=all

misconceptions-about-your-body - http://list25.com[..]bout-your-body-that-arent-true/?view=all

pregnancy - http://list25.com[..]nge-the-way-you-view-pregnancy/?view=all

blindness - http://list25.com[..]you-didnt-know-about-blindness/?view=all

【趣味科普】同理心等於同情心?可以後天鍛鍊嗎? - http://hk.apple.nextmedia.com[..]om/realtime/supplement/20160712/55345201

happen-to-your-body-after-you-die - http://list25.com[..]pen-to-your-body-after-you-die/?view=all

your-body-is-weirder-than-you-think - http://list25.com[..]body-is-weirder-than-you-think/?view=all http://list25.com[..]-that-make-absolutely-no-sense/?view=all

DNA - http://list25.com[..]l-help-you-understand-yourself/?view=all http://list25.com[..]-genetics-and-the-human-genome/?view=all

「人體農場」:聽屍體說話 - http://thestandnews.com[..]%BD%E5%B1%8D%E9%AB%94%E8%AA%AA%E8%A9%B1/ http://thestandnews.com[..]8%82%89%E9%AA%A8%E6%9F%A5-q-a-episode-4/

Lie/Cheat - http://list25.com/25-scientific-facts-about-cheating/?view=all http://list25.com[..]o-know-someone-is-lying-to-you/?view=all

Albinism - http://list25.com/25-facts-about-people-with-albinism/?view=all

人腦越來越小 又關facebook事? - http://hk.apple.nextmedia.com[..]om/realtime/supplement/20160705/55315802

為什麼人類的耳朵長成這樣 - http://cn.wsj.com/big5/20161014/LIF115719.asp

oxytocin - http://list25.com[..]us-facts-about-oxytocin-that-youll-love/

About vaginas - http://list25.com/25-things-you-are-ashamed-to-ask-about-vaginas/

http://list25.com/25-strange-things-your-body-says-about-you/

http://list25.com/25-most-common-dreams-and-their-meanings/

Almost everything we know about salt may be wrong. Eating salt actually makes you less thirsty but hungrier - http://www.zmescience.com[..]ence/salt-makes-you-less-thirsty-423432/

Brain - https://www.wired.com/story/your-brain-is-memories/

(google search) (amazon search)


Fri Jul 21 17:24:58 HKT 2017 From /weblog/database/performance

Note of SQL performance tuning


Note of this book - http://www.ocelot.ca/tuning.htm

1) Order of "and" and "or" is matter, if no cost-base optimizer

where column1 = 'a' and column2 = 'b' -> where column2 = 'b' and column1 = 'a' if column2 'b' is less likely

2) <> is more expensive than =

3) Can force to use index if SELECT * FROM table WHERE indexed_column > 0

4) UPPER(column) might lose information, use LOWER is better

5) WHERE column = 'WORD' or column = 'word' is always faster than WHERE LOWER(column) = 'word' , even faster version is test if database if case-insensitive: WHERE column = 'WORD' or ('WORD' <> 'word' AND column = 'word')

6) 32bit integer is the fastest datatype for 32bit OS

7) column in (?, ?) is faster than column =? or column = ? for some database, and don't slow in any database

8) For aggregate functions, prevent using having, try to use fewer columns in group by and use subquery if possible

9) In fact, count(1) is not faster than count(*)

10) CAST before aggregate function: SELECT CAST(SUM(column) AS INT) -> SELECT SUM(CAST(column as INT))

11) Use constant as much as possible, e.g.: select * from t1, t2 where t1.c1 = t2.c1 and t1.c1 = 1 -> select * from t1, t2 where t1.c1=1 andn t2.c1=1

12) Information of Join vs Subqueries

13) Information of optimum column type (VARCHAR, TIMESTAMP, WORD size INT and CHAR(1) usually better), shift effect for page

14) prevent NULL for porting issue

15) Low level table physical information

Some related links - http://www.techartifact.com[..]9/12/sql-optimization-tipsquestions.html

16) Prevent database level transaction, prevent joining, prevent locking ( like auto increment key ), pretty good suggestion - http://www.aviransplace.com/2015/08/12/mysql-is-a-great-nosql/

Few good tips, like avoid cursors - http://www.javaworld.com[..]ent/21-rules-for-faster-sql-queries.html

(google search) (amazon search)


Thu Jul 20 00:11:49 HKT 2017 From /weblog/learning

stress


In other words, both groups were stressed, but one group channeled the stress as a performance challenge; the other group as a performance threat. It wasn't the stress of a difficult test that caused distress--everyone felt that. It was how subjects interpreted their stress. - http://traderfeed.blogspot.com.au[..]mbracing-stress-minimizing-distress.html

http://nautil.us/blog/do-you-actually-need-more-stress

Calming when conflict - https://hbr.org/2015/12/calming-your-brain-during-conflict

https://aeon.co[..]ks-in-the-human-body-to-make-or-break-us

(google search) (amazon search)


Wed Jul 19 23:37:59 HKT 2017 From /weblog/learning

focus


How to train focus - https://www.infoq.com/news/2017/01/attention-awareness-teams http://www.infoq.com/cn/news/2017/01/attention-awareness-teams

Once you build self-control through a chosen activity, you do a better job exerting self-control in other situations. - https://qz.com[..]r-thanks-to-the-science-of-self-control/

17 yrs don't speak... - https://dq.yam.com/post.php?id=7898

5 hours rule, every day spend an hour to read/reflect/experience, 5 times a week - http://www.businessinsider.com[..]and-oprah-all-use-the-5-hour-rule-2017-7 https://medium.com[..]-all-embrace-the-5-hour-rule-8836f554da1

(google search) (amazon search)



Wed Jul 19 23:19:50 HKT 2017 From /weblog/science

nature


蓋亞假說:美麗的神話 - http://thehousenews.com[..]%8E%E9%BA%97%E7%9A%84%E7%A5%9E%E8%A9%B1/

色彩斑斕的動物 - http://cn.wsj.com/big5/20131203/PHO101146.asp?source=rss

地球上仍存活的最古老生物 - http://cn.wsj.com/big5/20140430/PHO082434.asp?source=rss

deep-sea-mysteries-and-oddities-that-will-leave-you-baffled - http://list25.com[..]nd-oddities-that-will-leave-you-baffled/

rare-flowers-that-are-stunning-to-look-at - http://list25.com/25-rare-flowers-that-are-stunning-to-look-at/

earth-facts-that-might-surprise-you - http://list25.com/25-earth-facts-that-might-surprise-you/

north-pole-facts-most-people-are-not-aware-of - http://list25.com[..]s-most-people-are-not-aware-of/?view=all

earth-facts-you-probably-have-not-considered - http://list25.com[..]u-probably-have-not-considered/?view=all

http://www.attenboroughsreef.com/

amazon - http://list25.com[..]he-most-unique-places-on-earth/?view=all

25 Interesting Tidbits About Deserts That Will Make You Glad For Rain - http://list25.com[..]at-will-make-you-glad-for-rain/?view=all

Antarctica is one of the coldest, most desolate places in the world, and today you're going to learn all about it. - http://www.damncoolpictures.com[..]interesting-facts-that-you-probably.html

great-barrier-reef - http://list25.com[..]-reef-facts-youll-want-to-hear/?view=all

Types of mountains - http://www.zmescience.com[..]st/main-types-mountains-earths-ups-downs

bizarre-ocean-phenomena - http://list25.com[..]ean-phenomena-you-wont-believe-are-real/

http://www.zmescience.com[..]ology/animals-ecology/animal-speed-limit

(google search) (amazon search)


Wed Jul 19 17:07:17 HKT 2017 From /weblog/political

democracy


Problem?? http://cn.wsj.com/big5/20110419/GOK075032.asp?source=rss

民主、法治與自由 - http://cn.wsj.com/big5/20111010/WES071154.asp?source=rss

憲政與民主:孰先孰後? http://cn.wsj.com/big5/20130131/YXZ070844.asp?source=rss

Noam Chomsky - http://list25.com/25-facts-about-noam-chomsky/?view=all

從思考終審法院的多數決制度我們能學到什麼? -
https://thestandnews.com[..]%BD%E5%AD%B8%E5%88%B0%E4%BB%80%E9%BA%BC/

(google search) (amazon search)


Wed Jul 19 14:59:51 HKT 2017 From /weblog/design

packaging


Avoid circular dependencies between packages! http://www.infoq.com/news/2007/06/large-code-bases

2 common approach, by function or by layer - http://dolszewski.com/architecture/project-package-organization/

(google search) (amazon search)


Wed Jul 19 00:22:53 HKT 2017 From /weblog/security

tools


The NSA has open-sourced dozens of security tools
- https://medium.freecodecamp.org[..]ced-dozens-of-security-tools-7af99cfe422

(google search) (amazon search)


Wed Jul 19 00:02:39 HKT 2017 From /weblog/science

plant


mushrooms - http://list25.com/25-most-bizarre-mushrooms-you-need-to-see/

dangerous-plants - http://list25.com[..]us-plants-that-could-seriously-hurt-you/

Amber - http://www.zmescience.com/science/long-process-amber-creation

Rock - http://www.zmescience.com[..]her/feature-post/rock-cycle-geoloby-abc/

What is the Wilson Cycle, builder and slayer of supercontinents? - http://www.zmescience.com/science/what-is-wilson-cycle/

clouds - http://www.zmescience.com/science/types-of-clouds/

(google search) (amazon search)


Tue Jul 18 23:56:58 HKT 2017 From /weblog/learning

performance


焦慮能讓你表現更出眾 - http://cn.wsj.com/big5/20120711/hea075016.asp?source=rss

Importance of finding out your Signature Strengths - http://traderfeed.blogspot.com.au[..]ature-strengths-and-trading-success.html

索托說:“你應該從改變行為做起,接下來,如果你能長期保持這種新行為,這種行為就會被鎖定下來。”他說,如果能獲得心理治療師的指導,你可以在幾個月之內看到持續的變化。你也可以學著自己管理你的性格特征,只是要花費比較長的時間。
那么,你應該從哪做起呢?加州德爾馬(Del Mar)的心理學家理查德‧萊瓦克(Richard Levak)表示:“首先,我們必須認識到性格中有哪些因素對我們構成了影響。如果我愛發牢騷,好爭辯,還有點多疑,我總是因為跟同事吵架,老是責怪別人而被解雇,那我就必須意識到得改變一下。”
萊瓦克說,這和糾正暴飲暴食這種壞習慣相似。要想減肥,你就得認識到自己什么時候以及為什么會暴飲暴食。萊瓦克博士表示:“如果你有戒心過重和好斗的傾向,你就要對自己說:‘好的,當我老板過來跟我說話,而我立馬感覺老板在挑我的刺,想要自我防衛的話,那我就是反應過激了。’讓自己冷靜下來,不要爭吵。”
不要把期望值定得太高。耐心一些。索托博士說,要把一種有意為之的行為變成習慣,需要花費很長時間。不要太擔心其他人的反應,因為你的變化通常是他們樂于見到的。

http://cn.wsj.com/big5/20140502/lif114051.asp?source=rss

How you can use your negative emotion - http://www.theatlantic.com[..]reat-depression/304247/?single_page=true

Performance improvements… or experiments? - http://letstalkaboutjava.blogspot.com[..]ormance-improvements-or-experiments.html

http://traderfeed.blogspot.hk[..]e-you-operating-in-peak-performance.html

This, I find, is the single greatest impediment to pursuit of excellence: Most of us are simply too busy doing our jobs well to become truly world class at what we do. I occasionally ask traders to go back to old journal entries and tell me how much time they spent reviewing those entries and assessing their progress over the past week. In the great majority of instances, the journal entries are never revisited! - http://www.forbes.com[..]ndar-into-a-peak-performance-tool/print/

10-questions-can-dramatically-change-life and business (I don't think so, but anyway a good reading) - https://thenextweb.com[..]ns-can-dramatically-change-life-business

(google search) (amazon search)


Tue Jul 18 23:55:18 HKT 2017 From /weblog/health

sleep


Are we really need 8 hours of sleep? http://www.bbc.co.uk/news/magazine-16964783

Find the best sleep position - http://cn.wsj.com/big5/20130208/PHO221844.asp http://cn.wsj.com/big5/20130208/hea083626.asp

Take a nap is good! - http://cn.wsj.com/big5/20130917/ATG133550.asp

Why it is good to sleep together - http://cn.wsj.com/big5/20131107/hea080252.asp

中老年人怎樣睡個好覺? - http://cn.wsj.com/big5/20140325/hea120959.asp

Facts about sleep - http://www.damncoolpictures.com[..]nsane-facts-about-sleep-infographic.html

關注男士健康 側身睡覺有利養肝 - http://www.healthcare-kingdom.com[..]6%BA%E6%9C%89%E5%88%A9%E9%A4%8A%E8%82%9D

We all know that kind of situation very well. You are supposed to work or study but you cannot help dosing off. Sometimes, staying awake can be a real challenge; especially if you are tired or bored. Fortunately, there is a surprisingly wide range of various tricks and hacks to help you fight the annoying drowsiness. Here are 25 Ways To Stay Awake When All You Want To Do Is Sleep. - http://list25.com[..]-awake-when-all-you-want-to-do-is-sleep/

At least 7 hours sleep.... - http://www.mr-sport.com.tw[..]-health-life/news/sleep-or-exercise.html

http://list25.com[..]ch-might-help-you-sleep-better/?view=all

http://list25.com[..]-sleep-you-probably-didnt-know/?view=all

http://super-memory.com/articles/sleep.htm

about-sleep-paralysis - http://list25.com[..]p-paralysis-that-make-it-scary/?view=all

Power nap - https://www.nytimes.com[..]ke-naps-at-work-apologize-to-no-one.html

(google search) (amazon search)


Tue Jul 18 11:31:43 HKT 2017 From /weblog/design

comment


A nice thread of discussing how to comment in code - http://groups.yahoo.com/group/extremeprogramming/message/74195

A Taxonomy Of Comments - http://blog.codefx.org[..]hniques/documentation/taxonomy-comments/

Everything have 2 sides - http://blog.codefx.org[..]s/documentation/comments-costs-benefits/

Example of comment haven't update freq enough - http://marxsoftware.blogspot.hk[..]even-good-code-comments-deteriorate.html

https://testing.googleblog.com[..]health-to-comment-or-not-to-comment.html

(google search) (amazon search)


Tue Jul 18 00:44:48 HKT 2017 From /weblog/science/animal

current


http://www.damncoolpictures.com[..]13/12/22-amazing-facts-about-tigers.html

animals-with-insane-survival-adaptations - http://list25.com[..]th-insane-survival-adaptations/?view=all

rarest-animals-in-the-world - http://list25.com/25-of-the-rarest-animals-in-the-world/?view=all

fastest-land-animals - http://list25.com/25-fastest-land-animals/?view=all

unreal-animals-you-wont-believe-exist - http://list25.com[..]animals-you-wont-believe-exist/?view=all

bizarre-animals-youve-ever-heard-of-before - http://list25.com[..]als-youve-ever-heard-of-before/?view=all

Most hated insects - http://list25.com/25-most-hated-insects-ever-known-to-man/

awesome-animals - http://list25.com/25-awesome-animals/?view=all

adorable-hatchlings-that-are-too-cute-for-their-own-good - http://list25.com[..]re-too-cute-for-their-own-good/?view=all

little-known-facts-about-arctic-foxes - http://list25.com[..]known-facts-about-arctic-foxes/?view=all

fascinating-little-known-facts-about-polar-bears - http://list25.com[..]-known-facts-about-polar-bears/?view=all

adorable-photos-of-yawning-animals - http://list25.com/25-adorable-photos-of-yawning-animals/?view=all

animals-with-outrageous-body-proportions - http://list25.com[..]th-outrageous-body-proportions/?view=all

new-species-discovered-in-2014 - http://list25.com[..]new-species-discovered-in-2014/?view=all

lethal-animals-you-hope-to-never-see - http://www.damncoolpictures.com[..]ethal-animals-you-hope-to-never-see.html

natural-phenomena-that-science-has-yet-to-explain - http://list25.com[..]hat-science-has-yet-to-explain/?view=all

dangerous-looking-animals-that-are-relatively-harmless - http://list25.com[..]s-that-are-relatively-harmless/?view=all

Shoebill Stork - http://www.damncoolpictures.com[..]05/if-you-ever-doubted-existence-of.html

sad-facts-about-animals-that-might-make-you-shed-a-tear - http://list25.com[..]animals-that-might-make-you-shed-a-tear/

animal-kingdom-facts-that-you-might-find-hard-to-believe - http://list25.com[..]cts-that-you-might-find-hard-to-believe/

popular-myths-about-animals-that-you-probably-believe - http://list25.com[..]about-animals-that-you-probably-believe/

scary-creatures-living-in-australia - http://www.damncoolpictures.com[..]scary-creatures-living-in-australia.html

strangest-prehistoric-creatures - http://list25.com/25-strangest-prehistoric-creatures/

unusual-cat-species - http://www.damncoolpictures.com/2015/09/unusual-cat-species.html

most-powerful-bites-in-the-animal-kingdom - http://list25.com/25-most-powerful-bites-in-the-animal-kingdom/

freakish-looking-animals - http://list25.com/25-freakish-looking-animals/

US animals-you-wont-find-anywhere-else - http://list25.com[..]ls-you-wont-find-anywhere-else/?view=all

most-invasive-creatures-on-earth - http://list25.com/25-most-invasive-creatures-on-earth/?view=all

scorpion - http://list25.com[..]ost-people-may-not-be-aware-of/?view=all

【寵物】10種奇特動物 你見過邊種? - http://hk.apple.nextmedia.com[..]om/realtime/supplement/20151221/54553011

albino-animals - http://list25.com[..]-animals-you-have-to-see-today/?view=all

Some huge animal - http://list25.com[..]at-are-larger-than-you-realize/?view=all

underwater - http://list25.com[..]and-other-underwater-creatures/?view=all

animal-beards-that-outshine-the-biggest-hipster - http://list25.com[..]t-outshine-the-biggest-hipster/?view=all

kangaroo - http://list25.com[..]facts-to-keep-your-mind-hoping/?view=all

biggest record - http://list25.com/25-larger-than-life-animals/?view=all

stunningly-beautiful-insects - http://list25.com/25-stunningly-beautiful-insects/?view=all

largest prey - http://list25.com/25-largest-birds-of-prey/?view=all

Manatees - http://list25.com[..]-show-how-fascinating-they-are/?view=all

endangered-animals - http://list25.com[..]imals-we-may-lose-this-century/?view=all

strange-animals - http://www.damncoolpictures.com[..]ange-animals-that-will-confuse-your.html

red animal - http://list25.com[..]als-you-need-to-see-to-believe/?view=all

“Larger animals need more food to keep their bodies fueled,” Manger explains. “The elephant, which can eat several hundred kilograms of low-quality food each day, devotes a lot of time to eating, leaving less time for sleep.” - http://www.zmescience.com[..]gy/animals-ecology/wild-elephants-sleep/

chameleon - http://list25.com/25-cool-chameleon-facts-youll-want-to-know/

http://list25.com[..]imal-superpowers-that-are-actually-real/

Capybara (Hydrochoerus hydrochaeris) is a rodent of unusual size - http://www.zmescience.com[..]-files-capybaras-worlds-largest-rodents/

(google search) (amazon search)


Tue Jul 18 00:30:55 HKT 2017 From /weblog/learning

presentation


How to capture the attention from audience in 30 second - http://www.learninggeneralist.com[..]tter-beginnings-how-to-capture-your.html

How you can build Meaningful Interactivity into your eLearning - http://www.learninggeneralist.com[..]010/01/how-you-can-build-meaningful.html

3 Ways to Spice up Linear Navigation in Elearning - http://www.learninggeneralist.com[..]ys-to-spice-up-linear-navigation-in.html

5 Simple Ideas to Avoid Presentation Nervousness - http://www.learninggeneralist.com[..]-simple-ideas-to-avoid-presentation.html

3 Visual Design tips to make your presentation slides pop - http://www.learninggeneralist.com[..]4/3-visual-design-tips-to-make-your.html

Questions to ask to make presentation short - http://www.stevenlist.com[..]blog/2011/03/29/make-a-long-story-short/

Some tips for developing presentation skill - http://www.insightfullogic.com[..]w-grow-speakers-your-technical-community

做個一流講者 - http://wired.tw/posts/2789

Ignite, a way of short presentation - http://blogs.ancestry.com/techroots/ignite-at-ancestry-com/

http://www.bbc.com[..]s-to-make-yourself-effortlessly-charming

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Mon Jul 17 16:27:36 HKT 2017 From /weblog/java/features

java9


http://www.infoq.com[..]s/The-OpenJDK9-Revised-Java-Memory-Model

http://www.javaadvent.com[..]15/12/project-jigsaw-hands-on-guide.html

Incompatibility across versions - http://marxsoftware.blogspot.hk[..]6/06/java-backwards-incompatibility.html

http2 client - https://www.javagists.com/http2-client-java-9

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Mon Jul 17 12:48:58 HKT 2017 From /weblog/photographic

tutorial


Photo editing - http://digiphoto.techbang.com[..]pair-outdoor-photo-map-steps-for-example http://www.mikkolagerstedt.com[..]1/3/basic-lightroom-adjustments-fog-mist http://digiphoto.techbang.com[..]/9428-adobe-lightroom-advanced-key-cheat

About marco photograhy - http://www.dpreview.com[..]7237/depth-of-field-in-macro-photography

動 態 攝 影 分 享 - http://www.dchome.net/viewthread.php?tid=432312 http://patricklenz.com[..]ts/gymnastics-fundraiser-portfolio-shoot http://www.dcfever.com/news/readnews.php?id=14264&link=guid

世盃攝影師落場 三機三鏡是基本 - http://worldcup2014.appledaily.com[..]om/realtime/all/latest/20140624/52618252

India guide - http://www.dchome.net/viewthread.php?tid=481974

請問點影一個人行緊過黎既情景 - http://www.dchome.net/viewthread.php?tid=753867

http://digital-photography-school.com[..]chool.com/how-to-take-great-group-photos

Street photographic - http://www.dchome.net/viewthread.php?tid=819443 http://www.dcfever.com/column/read.php?id=1562 , 呈圓狀, 二等分, 重覆式, 同形狀

What is the real meaning of Aperture in zoom len - http://digitaljournalist.org/issue0909/tech-tips.html

How to take building photo look proper vertically - http://www.dchome.net/viewthread.php?tid=833344

How to take astro landscape photo - http://www.hokoon.edu.hk/astro/photocontest/astro_landscape.html

Star photo processing - http://blog.deepskycolors.com/tutorials.html

How to take a good photo - http://www.dpreview.com/articles/4491391950/evolution-of-an-image

Think about composition rule - http://www.dpreview.com/articles/1304360703/breaking-the-rules

http://www.petapixel.com[..]or-beautiful-light-painting-photographs/

Using shifted len to create create landscape photo - http://www.dpreview.com/articles/9496515776/the-dslr-field-camera

http://erickimphotography.com[..]-can-teach-you-about-street-photography/

HDR - http://500px.com/blog/750/tutorial-learn-hdr-photography http://wlcreative.com/blog/hdr-inroduction/ http://wlcreative.com/blog/hdr-partii/ http://wlcreative.com/blog/hdr-partiii/ http://wlcreative.com[..]iv-%E5%9F%B7%E8%B5%B0%E9%AC%BC%E5%BD%B1/

你也可以做得到]超簡易DIY證件相拍攝 - http://www.dcfever.com/column/read.php?id=2070

淺談燈光人像, 逆光和壓光 - http://www.dcfever.com/column/read.php?id=2020 http://wlcreative.com[..]%87%E7%87%88%E5%85%89%E4%BA%BA%E5%83%8F/ http://www.dcfever.com/column/read.php?id=3988

Top 5 Tips to Photograph Stars & Night Sky - http://www.mikkolagerstedt.com[..]top-5-tips-to-photograph-stars-night-sky http://www.mikkolagerstedt.com[..]otography-tutorial-lightroom-5-photoshop

Tutorial about using DSLR to take good movie - http://www.dcfever.com/news/readnews.php?id=9500&link=guid

How to take cloud sea photo - http://www.dcfever.com/column/read.php?id=2273

Informaton of light pillar - http://www.islandnet.com/~see/weather/eyes/pillars.htm

How to take Lightning photos - http://www.dcfever.com/column/read.php?id=2456

How to take children photo - http://www.dcfever.com/column/read.php?id=2487

進階對焦技巧 – 快門對焦分開處理 - http://wlcreative.com[..]%A6%E5%88%86%E9%96%8B%E8%99%95%E7%90%86/

水底攝影入門(一):水底光線的考慮 - http://www.dcfever.com/column/read.php?id=2459

http://petapixel.com[..]active-photography-skill-tree-beginners/

Zone system - http://www.mobile01.com/topicdetail.php?f=257&t=2487912

How to use flash in studio - http://www.dcfever.com/fillens/read.php?id=308

Tips of taking photo for wild life - http://cn.wsj.com/big5/20150601/PHO101044.asp

TimeLapse tutorial - http://www.dcfever.com/column/read.php?id=3381

Basic lightroom editing tutorial - http://www.dcfever.com/column/read.php?id=2934 http://wlcreative.com[..]%83%E5%80%8B%E5%B0%8F%E6%8A%80%E5%B7%A7/

用小電筒照出静物「封面相」 - http://www.dcfever.com/column/read.php?id=3937

享受長曝的樂趣 - http://photobygod.blogspot.hk/2016/05/NISIND1000.html

How to find your vision? practice, practice, practice - http://www.mikkolagerstedt.com[..]3/how-to-find-your-vision-in-photography

拍出令人心動的女生照片,分享如果教導模特兒擺 POSE - http://www.dcfever.com/column/read.php?id=4370

How to show dimension - http://digiphoto.techbang.com[..]the-construction-of-space-in-photography

How to take food photo - http://letsfilm.org/archives/320676

How to tone color - http://digiphoto.techbang.com[..]-ideas-learn-to-tone-and-color-control#_

Common shutter speed - http://digiphoto.techbang.com[..]professional-photographers-shutter-speed

12-photo-posture-tips-make-your-characters-just-like-professional-models -
http://digiphoto.techbang.com[..]-just-like-professional-models-beautiful

人像攝影經驗分享,幾個提升拍攝技巧的要點 - http://www.dcfever.com/column/read.php?id=4663


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Thu Jul 13 15:54:32 HKT 2017 From /weblog/misc

regex


Short tips of regex - http://immike.net[..]know-to-become-a-regular-expression-pro/

Let regex more readable - http://martinfowler.com/bliki/ComposedRegex.html

Useful Regular regression

Match username - /^[a-zA-Z0-9_]{3,16}$/
Matching an XHTML/XML tag - {]*>(.*?)}
Matching an XHTML/XML tag with a certain attribute value (e.g. class or tag) - {]*attribute\\s*=\\s*(["'])value\\\\1[^>]*>(.*?)}
Matching a URL - (a very long one... refer to article...)

http://immike.net[..]ssions-every-web-programmer-should-know/

The danger of bad regex - http://andreas.haufler.info[..]o-kill-java-with-regular-expression.html http://www.regular-expressions.info/catastrophic.html http://vladmihalcea.com/2014/02/24/the-regex-that-broke-a-server/

You have a string “BEFOREAFTER”. If this string has a ‘x’ in it, you want to capture everything before the ‘x’, else you want to capture the whole string. So,
”BEFOREAFTER” gives “BEFOREAFTER”
”BEFORExAFTER” gives “BEFORE”
http://octodecillion.com[..]apture-with-optional-delimeter/#solution

http://www.infoq.com[..]/regular-expressions-introduction-part01

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Thu Jul 13 00:26:12 HKT 2017 From /weblog/trip/travelling

German


The trip of art - http://cn.wsj.com/big5/20120203/trv083545.asp?source=rss

History when communist party in charge - http://cn.wsj.com/big5/20121221/LLW075021.asp?source=rss

柏林圍牆的去或留 - http://thisbigcity.net/zh-hant/berlinwall/

http://blog.kkday.com/2017/06/reasons-to-visit-berlin.html

通往神秘世界的入口?德國完美倒影魔鬼橋 - http://www.dcfever.com/travel/deal.php?id=19686 http://mymodernmet.com/circle-bridge-photography/

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Wed Jul 12 14:46:08 HKT 2017 From /weblog/photographic

star


星軌拍攝技巧 數問 -

1).數碼機因hot pixel而唔適合曝得耐...最好分開影影夠幾個鐘...咁每張間隔之間都要俾CMOS斗下氣?
有師兄 教過 分十幾張 每張 10-20min 再合成 好過 一野 暴 幾粒鐘, (菲林 令計)

2).數碼機有D人話用ISO 100、有人話用ISO 400-800好...如果用合成方法...其實係咪都係就番光害而定...定係關雜訊事?
睇天氣 , 小弟 用 o個次 用 iso 100

5).北極星仰角澳門係23度,咁香港一樣??
4季 都唔同 位置, 用星座 搵 會準確 d, e+ 係 冬季, 北極星 位置 係 獵戶座 (lei 個最易 認, 唔會 搵唔倒 ... ) 頭頂 (腰帶 致 頭頂 距離 再過 5倍左右)

附圖 係 舊年 去雲南 香格里拉 時影, 本泥想 長暴, 不過 o個晚 太涷 個人 頂唔順 要收皮 反酒店

http://www.dchome.net/viewthread.php?tid=798154

With a lot of information, 香港的星空 — 觀測及拍攝資訊 - http://www.dcfever.com/column/read.php?id=1829

Herman's articles at dcfever - http://www.dcfever.com/column/info.php?id=185

500px tutorial - http://500px.com/blog/738/tutorial-photograph-the-night-sky

About Comet - http://www.dcfever.com/column/read.php?id=2193

Atmospheric optical phenomena 大氣光學現象 - http://matthew-chin.blogspot.hk[..]16/06/atmospheric-optical-phenomena.html

=====
這張是11月15日凌晨拍攝的M42獵戶座星雲, 大埔的光害較嚴重, 所以要加上IDAS V4濾鏡作長時間曝光, 分三段不同時間曝光及作Layer Masking 處理, 把動態範圍拉闊. 在月光的影下算是滿意, 希望之後可以分數晚作10小時以上的曝光並加長每一張frame 的曝光時間 (現在是5分鐘一張), 使到暗位的表現進一步改善.

Place: Tai Po
Date: 14 Nov, 2013 (UT)
Camera: Canon 20Da
Lens: Canon EF-600 F4L
Mount: Vixen Sphinx with Star Book
Filter: IDAS V4
Exposure: 10 sec x 10, 30 sec x 10, 300sec x 26
ISO: 800
Guiding: Borg 60mm telescope, AIS120MM, PHD guiding.
Image calibration: Dark x 20 (average) for each exposure, Bias x 16 (Median), Dark subtracted Flat field x 20 (Median)
Processing: DSS, PS: layer Mask, Cropped, curve, colour adjusted.

http://forum.hkas.org.hk/viewthread.php?tid=8009
=====

http://list25.com[..]resemble-things-found-on-earth/?view=all

how-to-find-the-milky-way - http://goldpaintphotography.com[..]om/2015/07/24/how-to-find-the-milky-way/

how-to-capture-sharp-star-photographs - http://www.mikkolagerstedt.com[..]10/how-to-capture-sharp-star-photographs

銀河 - 觀測和拍攝 - http://matthew-chin.blogspot.hk/2016/06/blog-post.html

簡易四步驟處理高清銀河 - http://www.dcfever.com/column/read.php?id=3278 TimeLapse-AfterEffects特效『星流跡影片』-進階 - http://www.dcfever.com/column/read.php?id=3935

500 rule:
11mm: 45.5 seconds
12mm: 41.7 seconds
14mm: 35.7 seconds
16mm: 31.3 seconds
18mm: 27.8 seconds
20mm: 25 seconds
24mm: 20.8 seconds
28mm: 17.9 seconds
35mm: 14.3 seconds
50mm: 10 seconds
85mm: 5.9 seconds

http://www.price.com.hk/news.php?sec_id=12&id=7216

How to find constellations: a starter’s guide - http://www.zmescience.com[..]eature-post/starter-guide-constellations

想拍漂亮的散景靜物嗎?6步驟DIY一個超絢麗散景牆, with 鋁箔或銀色包裝紙 - http://digiphoto.techbang.com[..]steps-to-a-super-gorgeous-diy-bokeh-wall

http://www.deepskycolors.com[..]ilky-Way-Photo-Concepts-You-May-Wan.html

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Wed Jul 05 11:27:44 HKT 2017 From /weblog/trip/travelling

Philippines


巴拉望 - http://go2nature.net[..]t=32342&postdays=0&postorder=asc&start=0 http://travel.sina.com.hk/news/121/4/1/27443/1.html http://blog.kkday.com/2016/11/PalawanSpots.html

cebu - http://blog.kkday.com/2017/07/cebutop10.html

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Tue Jul 04 00:36:50 HKT 2017 From /weblog/%E6%97%A5%E5%B8%B8%E7%94%9F%E6%B4%BB

food


寫在沙中線通車前幾年,我最喜愛的土瓜灣十間食肆 - http://foodie-smashingpumkins.blogspot.hk/2017/07/2017.html http://foodie-smashingpumkins.blogspot.hk[..]ns.blogspot.hk/2015/06/blog-post_13.html

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