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Tue Mar 17 14:56:13 HKT 2020



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Sun Mar 08 19:49:17 HKT 2020 From /weblog/society

misc


用軀體代替言語,傳承知識 http://hk.apple.nextmedia.com/news/art/20130402/18214454

回收家具再低價出售 http://hk.apple.nextmedia.com/news/art/20130402/18214461 http://www.green-dot-home.com.hk/startup.html

【奇趣史話】「鹹濕」呢個詞 原來嚟自火腿店? - http://hk.apple.nextmedia.com/realtime/china/20151231/54592778

https://getpocket.com[..]d-don-ts-of-gift-giving-around-the-world

(google search) (amazon search)


Sun Mar 08 19:47:28 HKT 2020 From /weblog/health

mental


depression - http://list25.com[..]pression-and-improve-your-mood/?view=all

【壹週刊健康】認識ADHD》腦裡有嘭嘭聲乜都喊 - http://hk.apple.nextmedia.com/realtime/magazine/20160512/55085578

鍛煉能改善孤僻和拖延? - http://cn.wsj.com/big5/20170726/LIF164153.asp?source=rss

By the time Kiesel was 14, she says she suffered from daily panic attacks, OCD, and depression. It wasn’t until she was older, she says, that she began to understand the connection between her childhood experiences and numerous chronic illnesses. - https://www.theatlantic.com[..]iblings-it-affects-them-for-life/543975/

你/妳的自戀衝擊、她/他的創傷 - https://guavanthropology.tw/article/6758

https://getpocket.com/explore/item/the-creativity-of-adhd

(google search) (amazon search)


Sat Mar 07 21:05:31 HKT 2020 From /weblog/photographic/tutorial

Astronomy


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

Stars & Night Sky - http://www.mikkolagerstedt.com[..]top-5-tips-to-photograph-stars-night-sky

=====
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

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

【星空系列教程】銀河及地景拍攝技巧
https://digiphoto.techbang.com[..]ot-to-ensure-the-star-series-tutorial-on
https://digiphoto.techbang.com[..]and-landscape-shooting-techniques-middle

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 Master Night Sky Photography - https://www.lightstalking.com/night-sky-photography/

How to Photograph the Northern Lights (Aurora Borealis)? - https://www.mikkolagerstedt.com[..]raph-the-northern-lights-aurora-borealis

(google search) (amazon search)


Sat Mar 07 18:05:43 HKT 2020 From /weblog/science

misc


http://list25.com[..]phics-that-will-blow-your-mind/?view=all

http://list25.com[..]n-that-actually-occur-on-earth/?view=all

http://list25.com[..]ieved-that-actually-arent-true/?view=all

misconceptions - http://list25.com[..]-everyone-wants-you-to-believe/?view=all

Biology-mysteries - http://list25.com[..]manity-has-not-figured-out-yet/?view=all

Inventions - http://list25.com[..]-that-revolutionized-our-world/?view=all

Water - http://list25.com/25-odd-facts-about-water/?view=all

River - http://list25.com[..]that-you-probably-did-not-know/?view=all

statistics-about-life-and-living - http://list25.com[..]atistics-about-life-and-living/?view=all

plants - http://list25.com[..]ique-plants-you-have-ever-seen/?view=all

time - http://list25.com[..]-mess-up-your-biological-clock/?view=all

Gold - http://list25.com[..]gold-that-might-just-amaze-you/?view=all

Colour - http://list25.com[..]lors-that-you-never-saw-coming/?view=all

Richard Feynman - https://thestandnews.com[..]%8C%E4%B8%8D%E7%A2%BA%E5%AE%9A%E6%80%A7/

About palm-oil - http://list25.com[..]g-and-sad-facts-about-palm-oil/?view=all

How name related to face - http://www.zmescience.com/science/persons-name-and-face-matching/

biggest-scientific-discoveries - http://list25.com[..]tific-discoveries-in-history-of-mankind/

weird-science-facts-you-may-not-know - http://list25.com/25-weird-science-facts-you-may-not-know/

Diamond - http://list25.com/25-stunning-diamond-facts-youll-want-to-know/

Why cloud don't fall - http://www.zmescience.com/science/physics/why-clouds-dont-fall

michael-faraday - https://phycat.wordpress.com/2016/12/01/michael-faraday/

【Gene 愛聊科學】食蟲植物讓獵物滑進瓶口的密技,成為對抗貽貝附著的無毒塗料:SLIPS - https://www.inside.com.tw/2017/08/23/slips

The LeverAxe uses physics to finally bring splitting wood to the 21st century - http://www.zmescience.com/science/leveraxe-wood-chopping-423534/

If virus alive? http://www.zmescience.com/medicine/are-viruses-alive/

Science of Mona Lisa - https://www.theatlantic.com[..]eonardo-da-vinci-mona-lisa-smile/540636/

https://www.zmescience.com[..]s/hidden-shortage-world-running-low-sand

What’s the difference between diffusion and osmosis - https://www.zmescience.com[..]ence/difference-diffusion-osmosis-043243

http://list25.com/25-strongest-materials-known-to-man/

https://www.zmescience.com/medicine/unbelievable-bacteria-facts

調查:「藍色星期一」最有生產力 - https://dq.yam.com/post.php?id=8645

Sound - https://list25.com/25-randomly-cool-facts-about-sound/

elevators - https://www.zmescience.com/science/elevators-development-feature

葡萄進微波爐迸電漿閃光!最新論文解 - https://www.inside.com.tw[..]o-microwave-resonances-of-aqueous-dimers

zooming-in-on-the-cell-what-makes-animals-and-plants-different - https://www.zmescience.com[..]-what-makes-animals-and-plants-different

why is snow white - https://www.zmescience.com/science/why-is-snow-white/

bubbles-guinness-go-down - https://www.zmescience.com[..]hysics/bubbles-guinness-go-down-06062019

worlds-largest-electric-vehicle-fully-recharges-itself - https://www.zmescience.com[..]electric-vehicle-fully-recharges-itself/

radiocarbon-dating - https://www.zmescience.com[..]e/a-look-at-radiocarbon-dating-21352324/

(google search) (amazon search)



Wed Mar 04 08:23:59 HKT 2020 From /weblog/design

functional


Having functional program in java? http://codemonkeyism.com/functional-programming/

Functional programming in old java, with eclipse template - http://www.javacodegeeks.com[..]functional-programming-with-map-and.html

Functional Programming For The Rest of Us - http://www.defmacro.org/ramblings/fp.html?

collection-pipeline - http://martinfowler.com/articles/collection-pipeline/

Make code composable - https://hackernoon.com[..]ical-functional-programming-6d7932abc58b

A primer on functional architecture - https://increment.com[..]cture/primer-on-functional-architecture/

(google search) (amazon search)


Tue Mar 03 20:36:00 HKT 2020 From /weblog/%E6%97%A5%E5%B8%B8%E7%94%9F%E6%B4%BB

kitchen


http://www.damncoolpictures.com/2014/04/microwave-hacks.html

http://list25.com/25-genius-microwave-cooking-tips/?view=all

https://www.webmd.com[..]eshow-surprising-uses-for-your-microwave

【開鑊tips】生鐵鑊開鑊孖寶︰豬油+韭菜 - http://hk.apple.nextmedia.com[..]om/realtime/supplement/20170505/56648460

【用鑊tips】不銹鋼鑊不黐底秘訣 一粒水珠幫到你 - http://hk.apple.nextmedia.com[..]om/realtime/supplement/20170505/56648464

【地球咬一口:廚房篇】13個「烹」然心動的料理魔法,現在讓你看一下 - https://dq.yam.com/post.php?id=10289

梳打粉的5種用途 | 清潔去污沒煩惱 - https://www.sensestudio.co/healthy-food/cleaning-with-baking-soda https://list25.com[..]ng-soda-that-youll-wish-you-knew-sooner/

How operate fridge - https://www.theguardian.com[..]g/08/chill-a-guide-to-the-perfect-fridge

(google search) (amazon search)


Mon Mar 02 20:57:52 HKT 2020 From /weblog/society

AU



Water information - http://www.bom.gov.au[..]ashboards/#/water-storages/summary/state

Share Plan - https://www.employeeserve.com.au/

https://garbageguru.cityofsydney.nsw.gov.au

https://bigdream.com.au/zh/

(google search) (amazon search)


Mon Mar 02 20:57:43 HKT 2020 From /weblog/trip/travelling

ANZ


Milford Sound - http://thehousenews.com[..]7%9A%84%E6%A8%82%E9%9F%BB-milford-sound/

http://sealandskyworldtravel.blogspot.hk[..]015/05/new-zealand-travel-itinerary.html
http://sealandskyworldtravel.blogspot.com.au[..]/08/air-safaris-new-zealand-glacier.html

澳洲十大秘景 - http://www.dcfever.com/travel/article.php?id=3554

澳洲旅攝大作戰 (維多利亞和塔斯曼尼亞篇) - http://www.dcfever.com/travel/article.php?id=3996

【澳洲】旅行家的六大夢幻地,出發澳洲圓夢去! - http://blog.kkday.com/2016/09/dreaminaustralia.html

Tips for getting sim in AU - https://rikilatinomoment.wordpress.com[..]%b2%e9%9b%bb%e8%a9%b1%e5%8d%a1%ef%bc%81/

紐西蘭的星空聖地——Tekapo - http://www.dcfever.com/travel/readtravelogue.php?id=41336

Sydney - http://blog.kkday.com/2017/07/sydneytop10.html

Melbourne countryside - http://blog.kkday.com/2017/07/great-ocean-road-and-grampians.html

Summer at AU - http://blog.kkday.com/2017/11/australia-summer.html

http://blog.kkday.com/2017/11/Australia-in-depth-travel.html

【新西蘭旅遊】雪地飛機近距離睇最大冰川 入最高山峰冰川探險 - https://hk.lifestyle.appledaily.com[..]style/realtime/article/20180820/58576663

【新西蘭南極光】極罕見!直擊追光兩星期 攝影達人教授睇極光秘訣 - https://hk.lifestyle.appledaily.com[..]style/realtime/article/20180820/58576709

https://www.your-rv-lifestyle.com/things-to-do-in-australia/

Underwater Hotel Opens in Australia on Great Barrier Reef - https://www.scubadiving.com[..]eat-barrier-reef?dom=rss-default&src=syn

https://www.visitbrisbane.com.au[..]do-north-stradbroke-island?sc_lang=en-au

https://hillsdistrictmums.com.au[..]reserve-castle-hill-bush-walks-for-kids/

(google search) (amazon search)


Mon Mar 02 20:33:42 HKT 2020 From /weblog/network

wireless


http://hackaday.com[..]05/which-wireless-tech-is-right-for-you/

【Arm 專欄】一表了解 SIM、 eSIM 與 iSIM - https://www.inside.com.tw[..]article/19065-what-are-sim-esim-and-isim

(google search) (amazon search)


Sat Feb 29 23:23:24 HKT 2020 From /weblog/java/fundamental

memory


From java code to java heap, detail of how java use memory - http://www.ibm.com[..]rks/java/library/j-codetoheap/index.html

Algorithm of determine suitable thread pool size - http://www.javacodegeeks.com[..]reading-stories-about-robust-thread.html

Detail of how to analysis how much memory you need - http://www.javacodegeeks.com[..]m/2012/12/how-much-memory-do-i-need.html

Chinese introduction of memory model - http://www.infoq.com/cn/articles/java-memory-model-1

Difference between PermGem and MetaSpace - http://javaeesupportpatterns.blogspot.com.au[..]02/java-8-from-permgen-to-metaspace.html

How many bytes a boolean value takes in Java? - https://www.pixelstech.net[..]many-bytes-a-boolean-value-takes-in-Java

(google search) (amazon search)


Sat Feb 29 20:54:01 HKT 2020 From /weblog/learning

language


How to learn language in 30 days - http://www.fourhourworkweek.com[..]k.com/blog/2009/01/20/learning-language/

http://www.articlesbase.com[..]power-of-daily-positive-words-15115.html

Language make the difference - http://www.chinahush.com[..]shocked-by-chinese-multiplication-table/

crazy-facts-about-languages - http://list25.com/25-crazy-facts-about-languages/?view=all

http://list25.com[..]nguage-fluently-quickly-and-efficiently/

5 tips for learning Mandarin - http://www.chinahush.com[..]-great-advice-from-a-variety-of-experts/

Choice other than "Regards" - https://www.inc.com[..]/email-sign-offs-for-every-occasion.html

Resource of learning a lot difference languages - http://learn101.org/

Bubble physics can explain why dialects appear and how they evolve - http://www.zmescience.com/science/dialect-physics-paper

語言的高與低 - http://www.eisland.com.tw/Main.php?stat=a_P7V8dWZ

Learning music or a foreign language can help your brain be more efficient - https://www.zmescience.com[..]sic-bilingual-brain-efficiency-17052018/ https://medium.com[..]n-healthier-and-learn-faster-4a67e82dd81

For learning Chinese - http://www.chinese-learning.cn/#/web

Language Alters Our Experience of Time - https://getpocket.com[..]m/language-alters-our-experience-of-time

This is How You Can Learn All Programming Languages, Yes - “all” - https://www.infoq.cn/article/8STbPDW9M9xVGVc2eVIP https://hackernoon.com[..]l-programming-languages-yes-all-c41j3t8l

(google search) (amazon search)


Sat Feb 29 20:50:29 HKT 2020 From /weblog/software_engineering

release


Release at fix time or release at fix features? http://jroller.com/page/thuss?entry=there_are_pros_and_cons

Launch early and learn from it, but will we lose customer because of it?? - http://bobtuse.blogspot.com/2009/10/launch-early-and-learn.html

A method to determine which label to deploy, look a bit obvious - http://alexscordellis.blogspot.com[..]so-er-which-build-label-do-i-deploy.html

A sample procedure of zero downtime deployment - http://sunitspace.blogspot.com.au[..]om.au/2013/10/blue-green-deployment.html

Knightmare: A DevOps Cautionary Tale - https://www.infoq.cn/article/y4GjvPTdGDHiYlf6VOo6 https://dougseven.com[..]/17/knightmare-a-devops-cautionary-tale/

(google search) (amazon search)


Thu Feb 27 11:42:06 HKT 2020 From /weblog/google/development

protobuf


https://itnext.io/protobuf-and-null-support-1908a15311b6

https://reasonablypolymorphic.com/blog/protos-are-wrong/

(google search) (amazon search)


Thu Feb 27 11:40:17 HKT 2020 From /weblog/trip

tips


May not really useful

【飲食男女】飛機中伏位|走廊多菌 座位要識揀 - http://hk.apple.nextmedia.com/realtime/magazine/20160705/55314899
【飲食男女】飛機中伏位|摺枱加料 尿片飛機餐 - http://hk.apple.nextmedia.com/realtime/magazine/20160705/55314457
【飲食男女】飛機中伏位|飛機餐陳年生果 小心為上 - http://hk.apple.nextmedia.com/realtime/magazine/20160705/55315428

【亞洲航點總整理】臨時找機票的你,知道日本、韓國、東南亞有哪些廉價航班可以選擇嗎? - http://blog.kkday.com/2016/11/AsiaLcc.html

【旅行祕笈】用廉價航空玩歐洲竟然這麼便宜?! 購買歐洲廉航的3大技巧! - http://blog.kkday.com/2016/11/europelcc.html

TRAVELING WITH A TODDLER CHECKLIST - http://frame.bloglovin.com[..]=5828583385&blog=3512968&frame_type=none

how-to-survive-in-the-extreme-cold - https://www.bbc.com[..]00226-how-to-survive-in-the-extreme-cold

(google search) (amazon search)


Wed Feb 26 21:32:15 HKT 2020 From /weblog/science

Energy


Now the richest man of China is the scientist who research on solar cell
http://hk.news.yahoo.com/060112/12/1kcl1.html

Biodiesel -
http://www.google.com/search?q=Biodiesel
http://www.google.com/search?q=glycerol+methanol+caustic+soda

菠菜發電 - http://www.google.com[..]h?q=%E8%8F%A0%E8%8F%9C%E7%99%BC%E9%9B%BB

Nuclear battery - http://www.techbabu.com/2009/10/nuclear-batteries-now-a-reailty/

如何開采頁岩油 - http://cn.wsj.com/big5/20131016/inn071427.asp https://www.zmescience.com[..]ics-environmental-risk-fracking-18052018

關于可再生能源的六個謬誤 - http://cn.wsj.com/big5/20131010/inn073331.asp?source=rss

Solar plant - http://cn.wsj.com/big5/20131022/inn071828.asp?source=rss http://www.solarimpulse.com/

香港工廠如何將地溝油變廢為寶 - http://cn.wsj.com/big5/20131004/ren162826.asp?source=rss

Energy facts - http://list25.com[..]-energy-that-will-surprise-you/?view=all

About gas and oil - http://list25.com[..]y-didnt-know-about-gas-and-oil/?view=all

petroleum - http://www.zmescience.com/science/what-is-petroleum/

http://www.zmescience.com/science/north-korea-bomb-test-04092017

http://www.zmescience.com/science/difference-fusion-fission

Transparent solar technology could provide 40% of US power if deployed across all glass surfaces - https://www.zmescience.com[..]ology/transparent-solar-us-poewr-0432432

electricity hum - https://www.zmescience.com[..]ature-post/why-electricity-hum-07112017/

How quick charge work - https://www.inside.com.tw/2017/11/22/how-do-quick-charger-run

https://www.zmescience.com[..]science/physics/microwave-oven-from-ww2/

沒停電不代表系統穩定:台灣電力調度 - https://www.inside.com.tw[..]16068-electricity-power-system-in-Taiwan

Rust and salt water — the new way to generate electricity - https://www.zmescience.com[..]st-water-producing-electricity-31072019/

Scientists develop battery that taps into ‘blue energy’ formed when freshwater meets seawater - https://www.zmescience.com[..]y-formed-when-seawater-meets-freshwater/

Who really discovered electricity? - https://www.zmescience.com[..]e-post/who-discovered-electricity-96363/

(google search) (amazon search)


Wed Feb 19 21:57:03 HKT 2020 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

零成本提升工作和健身效率之道:科學擇時 - http://cn.wsj.com/big5/20180206/OPN163737.asp

Another article about why it is important to do thing at right timing - http://traderfeed.blogspot.hk[..]dont-i-trade-my-plan-when-i-plan-my.html

a) Using a Calendar
b) Working in Shorter, Uninterrupted Segments
c) Mindfulness
d) Self-Reminders

http://traderfeed.blogspot.hk[..]cognitive-behavioral-techniques-for.html

https://medium.com[..]els-i-find-repeatedly-useful-936f1cc405d

The point is finding the prime time - https://medium.com[..]m-won-t-make-you-successful-b3c77921d9fd

https://medium.com[..]wer-of-doing-nothing-at-all-73eeea488b8b

http://www.bbc.com[..]-evolved-and-its-benefits-versus-modesty

https://medium.com[..]y-changing-your-environment-270ce4f141e9

Slow and steady wins the race - https://www.zmescience.com[..]cience/short-breaks-memory-skill-2363625

The highest levels of productivity and well-being are likely to come from a good balance between persevering through hardship toward attainable goals, and disengaging from action plans that lead to unrealistic goals - https://elemental.medium.com[..]ower-look-like-in-the-brain-8cafd0c024ec

The Nine Habits to Increase Your Energy - https://getpocket.com[..]/the-nine-habits-to-increase-your-energy

https://www.mikkolagerstedt.com[..]tivity-boosting-habits-for-photographers

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Wed Feb 19 21:11:31 HKT 2020 From /weblog/%E6%97%A5%E5%B8%B8%E7%94%9F%E6%B4%BB

clean


https://www.webmd.com[..]guides/ss/slideshow-how-often-clean-this

https://www.webmd.com[..]s/ss/slideshow-guide-to-natural-cleaning

https://www.weightedblanketguides.com/guide-how-to-wash/

Is This Clean? Common myths and real ways to clean up your act — and your hands - https://www.zmescience.com[..]ays-to-clean-up-your-act-and-your-hands/

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Mon Feb 17 20:40:19 HKT 2020 From /weblog/unix

vim


Web base vim as tutorials - http://www.knowvim.com/ http://www.openvim.com/tutorial.html

History of VIM - http://arstechnica.com[..]f-productivity-vims-20th-anniversary.ars

Guide for editing text object, most already familiar with using 'w' for word editing, this blog discuss more about using 'p' for paragrahy and other related stuff. - http://blog.carbonfive.com[..]7/vim-text-objects-the-definitive-guide/

Seven habits of effective text editing , a lot of nice tip of using vim, like hlsearch , omni-completion

http://www.moolenaar.net/habits.pdf
http://video.google.com/videoplay?docid=2538831956647446078

vimdiff tips - http://blog.objectmentor.com[..]cles/2008/04/30/vim-as-a-diff-merge-tool http://gcody.blog.ccidnet.com[..]9899-uid-36931-do-showone-type-blog.html

How to regex with line number - http://vim.wikia.com/wiki/Insert_line_numbers_2

cheat sheet of jumping around source code - http://www.faqs.org[..]inux-HOWTO/C-editing-with-VIM-HOWTO.html

Nice analysis of good programming environment - http://www.benrady.com[..]why-i-switched-from-textmate-to-vim.html

Creating macros in vim - http://smartic.us/2010/02/03/creating-macros-in-vim

http://www.markhneedham.com/blog/2010/12/27/vim-learnings-so-far/ <- introduction to Command-T and FuzzyFinder

Some VIM tips:

Essential Vim editor navigation commands
Vim search and replace – 12 powerful find and replace examples.
How To add bookmarks inside the Vim editor
How To record and play inside the Vim editor
Correct spelling mistakes automatically inside the Vim Editor
Automatic word completion using Ctrl-X
Enable thesaurus option in the Vim editor
Vim autocommand magic. Add custom header to your files automatically.
Convert Vim editor to a beautiful source code browser.
Use the Vim editor as a bash IDE, or C/C++ IDE, or Perl IDE.

http://www.thegeekstuff.com/2010/04/vim-editor-tutorial/ https://spin.atomicobject.com[..]com/2016/04/19/vim-commands-cheat-sheet/

ctrl+w, ctrl+w , vimdiff switch folder - hack2live.blogspot.com/2009/02/vimdiff-shortcut-keys.html

tutorial - http://javarevisited.blogspot.com[..]editor-in-unix-example-tutorial-and.html https://danielmiessler.com/study/vim/ https://www.reddit.com[..]s/3mfvdg/how_do_i_go_about_learning_vim/

Compilation plugin - http://www.vim.org/scripts/script.php?script_id=3115#2.9.3

Highlight multiple searches at the same time, each with a different color. - http://www.vim.org/scripts/script.php?script_id=479 http://www.vim.org/scripts/script.php?script_id=2666#2.6.0

C/C++ IDE - http://www.vim.org/scripts/script.php?script_id=213 http://blog.wuwon.id.au[..]10/vim-plugin-for-navigating-c-with.html

Evil, putting vi in emacs - http://spin.atomicobject.com/2013/02/28/emacs-or-vim-evil/

Fixing syntax at solaris, "export TERM=xtermc", ":syntax enable" - http://kdl.nobugware.com/post/2006/12/01/23-xterm-color-on-unix

Graph your Vim undo tree in style. - http://sjl.bitbucket.org/gundo.vim/

Introduction to Selecta and Command-T, tool for fuzzy mapping and open files easier - http://marcovaltas.com/2013/12/27/selecta-on-vim-wildignore.html

http://superuser.com[..]d-the-vimrc-file-be-located-on-windows-7

Open Visual Studio config as XML - https://groups.google.com/forum/#!topic/vim_use/HzVM9tjJP08

Snippert library ( e.g. function template ) - https://www.reddit.com[..]3h7lca/which_snippet_library_do_you_use/

https://www.reddit.com[..]t_are_your_musthave_configs_and_plugins/

https://www.reddit.com[..]mments/2w22gf/edit_google_docs_with_vim/

https://www.reddit.com[..]nts/3ijsi2/original_post_a_vimrc_primer/

https://www.reddit.com[..]an_autocomplete_plugin_if_yes_which_one/

gUU to turn whole line upper case, and guu to turn whole line lower case - https://www.reddit.com[..]_guu_makes_an_entire_line_lowercase_and/

can use :TOhtml to turn a text file to HTML - http://jezenthomas.com/how-i-write-invoices-in-vim/

set encoding=utf-8 - https://www.reddit.com[..]how_to_reliably_switch_to_using_utf8_by/

If you like to test the regex for vi, can refer to this - http://www.virex.org/

http://www.hostingadvice.com[..]/blog/vim-creator-champions-charityware/

Another blog about using vim as IDE - https://spacevim.org/2017/02/11/use-vim-as-a-java-ide

http://vimsheet.com

https://blog.antoyo.xyz/vim-tips

https://www.reddit.com[..]d_using_spacemacsevil_and_made_this_vim/

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Mon Feb 17 20:15:43 HKT 2020 From /weblog/languages

rust


memory management - https://blog.discordapp.com[..]s-switching-from-go-to-rust-a190bbca2b1f https://www.infoq.cn/article/0scE4VCqzm8JWc50Jzsm

Rust - http://www.infoq.com/cn/articles/rust-core-components http://kamalmarhubi.com[..]t-nix-easier-unix-systems-programming-3/


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Mon Feb 17 20:15:32 HKT 2020 From /weblog/languages

other languages


Nice thing of Lua - http://tjholowaychuk.com[..]a-scripting-is-badass?5ec266c0?8b310bf0`

a lot of quick start cookbooks of various languages - http://pleac.sourceforge.net/ and here is video tutorials - http://freescienceonline.blogspot.com[..]ucation-lectures.html?search=programming

Yet other JVM base language, it is very erlang like - http://clojure.sourceforge.net/ http://groups.google.com[..]vuI1Vhhmpjq_tXqhHSmIzvYz_Xjy5kXSYlvYYdgY

http://tutorialzine.com[..]2/the-10-weirdest-programming-languages/

Javascript quick note - https://jaxenter.com/javascript-crib-notes-136893.html

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Sun Feb 16 21:39:18 HKT 2020 From /weblog/java/performance

option list


-XX:+PerfDisableSharedMem , prevent locking by sharedmem in linux - http://www.evanjones.ca/jvm-mmap-pause.html

How linkedin turn the GC - http://engineering.linkedin.com[..]ughput-and-low-latency-java-applications

Using generational & concurrent GC collector - http://www.javacodegeeks.com[..]/04/ibm-jvm-tuning-gencon-gc-policy.html

Full VM option list : http://blogs.sun.com/roller/resources/watt/jvm-options-list.html, update for Java7 - http://nerds-central.blogspot.com[..]ot.com/2011/07/all-jvm-7-xx-options.html http://stas-blogspot.blogspot.com[..]ost-complete-list-of-xx-options-for.html

A simplified list for some frequency use options - http://rdafbn.blogspot.com.au[..]rbage-collector-guidelines-and-tips.html

HotSpot JVM garbage collection options cheat sheet - http://aragozin.blogspot.com[..]spot-jvm-garbage-collection-options.html http://www.oracle.com[..]va/javase/tech/vmoptions-jsp-140102.html

An example and story about effect of difference VM parameter affecting the performance - http://www.javaspecialists.eu/archive/Issue191.html

Clear the code cache automatically with -XX:+UseCodeCacheFlushing - http://blogs.amd.com[..]time-for-long-running-java-applications/

Discussion about -XX:MinHeapFreeRatio parameter - http://www.gossamer-threads.com[..]s.com/lists/lucene/java-user/44286#44286

The other detailed guide for VM parameters tuning - http://java.sun.com/j2se/1.5/pdf/jdk50_ts_guide.pdf

Here is a more simple cookbook - http://java.sun.com/performance/reference/whitepapers/tuning.html

A outdated (1.4) , compehensive but still not really too detailed, overview of various GC tuning - http://www.petefreitag.com/articles/gctuning/

Some say following VM parameter is good enough
-server -Xmx -XX:+UseParallelGC
http://blogs.sun.com[..]/page/binublog?entry=java_tuning_for_xml

Some say is useful if you have huge memory
-XX:+UseLargePages
http://blogs.sun.com[..]dagastine?entry=java_se_tuning_tip_large

Some say below parameter keep GC in low pause
-XX:MaxGCPauseMillis=5000
Some say below parameter are very optimal
-XX:+DisableExplicitGC -XX:+UseConcMarkSweepGC -XX:NewSize=1200m -XX:SurvivorRatio=16
http://www.theserverside.com[..]d.tss?thread_id=41258&ASRC=EM_NNL_347804
Some say those parameter is good
-XX:+UseConcMarkSweepGC
-XX:ParallelCMSThreads=1
-XX:+CMSIncrementalMode
-XX:+CMSIncrementalPacing
-XX:CMSIncrementalDutyCycleMin=0
-XX:CMSIncrementalDutyCycle=10
http://blog.mikiobraun.de/2010/08/cassandra-gc-tuning.html

Just in case anyone is curious, the flags enabled by -XX:+AggressiveOpts in JDK 1.6.0_25 are:

-XX:+EliminateAutoBox
-XX:AutoBoxCacheMax=20000
-XX:BiasedLockingStartupDelay=500
-XX:+DoEscapeAnalysis
-XX:+OptimizeStringConcat
-XX:+OptimizeFill

Generate dump with OOME - -XX:+HeapDumpOnOutOfMemoryError

GC log sample of -XX:+UseConcMarkSweepGC -XX:PrintFLSStatistics=1 -XX:+PrintGCDetails - https://gist.github.com/1329783

A case study of tuning VM GC parameters - http://plumbr.eu[..]ld-you-trust-the-default-settings-in-jvm

Explanation for few performance related VM parameters - http://www.techpaste.com[..]ine-options-jvm-performance-improvement/

Show the exact vm flag that java using - http://matthewkwilliams.com[..]/looking-inside-a-jvm-xxprintflagsfinal/

For G1GC - https://dzone.com[..]e-first-garbage-collector-tuning-flags-1

https://ionutbalosin.com[..]otspot-jvm-performance-tuning-guidelines

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Sun Feb 16 21:20:58 HKT 2020 From /weblog/misc

communities


http://www.visakanv.com/blog/communities/

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Sat Feb 15 22:01:45 HKT 2020 From /weblog/design

refactoring


http://c2.com/cgi/wiki?RefactoringLanguage

Refactoring to Patterns Catalog - http://www.industriallogic.com/xp/refactoring/catalog.html

Article talk about the book: http://www.oreillynet.com/ruby/blog/2006/03/transformation.html

Catagories smell into "smell in class" and "smell between class" - http://www.codinghorror.com/blog/archives/000589.html

Known but good to remind http://www.thecodejunkie.com[..]10/01/6-steps-to-master-refactoring.html

An experience sharing - http://www.javacodegeeks.com[..]m/2011/05/refactor-hudson-god-class.html http://www.peterprovost.org[..]treme-Refactoring-with-Brian-Button.aspx

Refactoring should not introduce bug... - http://jchyip.blogspot.com[..]01/so-why-are-you-refactoring-again.html

A way to have formal refactoring, through Feature Clustering, Rapid Scratch Refactoring and Twisting Classes - http://www.thekua.com[..]rom-michael-feathers-brutal-refactoring/

Not all code change is refactoring - http://parlezuml.com/blog/?postid=850 , and

Some common issues about refactoring code in a team - http://www.rickylui.com[..]/2008/01/28/dont-be-a-refactoring-bigot/ http://blog.joepoon.com[..]01/dangers-of-premature-refactoring.html , beware taking the balance - http://www.makinggoodsoftware.com[..]ith-beautiful-code-the-refactor-syndrome

Refactory if needed - http://dreamhead.blogbus.com/logs/24874404.html

Refactoring, when start, when stop? - http://martinfowler.com/bliki/OpportunisticRefactoring.html

Refactoring metric - http://www.grahambrooks.com[..]rics-based-refactoring-for-cleaner-code/

Getting rid of util class
1) If the family of methods uses different parameters, depending on optional input or representations of the same input, then consider transforming the Helper via a fluent interface using the Builder pattern: from a collection of static methods like Helper.calculate(x), calculate(x, y), calculate(x, z), calculate(y, z) we could easily get to something like newBuilder().with(x).with(y).calculate(). The helper class would then offer behaviours, reduce its list of business methods and provide more flexibility for future extensions. Callers would then use it as internal field for reuse or instantiate it where needed. The helper class (as we knew it) disappeared.
2) If the helper class provides methods which are actually actions for different inputs (but, at this point, for the same domain), consider applying the Command pattern: the caller will actually create the required command (which will handle the necessary input and offer a behaviour) and an invoker will execute it within a certain context. You may get a command implementation for each static method and your code would move from an Helper.calculate(x, y), calculate(z) to something like invoker.calculate(new Action(x, y)). Bye bye helper class.
3) If the helper class provides methods for the same input but different logics, consider applying the Strategy pattern: each static method may easily become a strategy implementation, vanishing the need of its original helper class (replaced by a context component then).
4) If the given set of static methods concerns a certain class hierarchy or a defined collection of components, then consider applying the Visitor pattern: you may get several visitor implementations providing different visit methods which would probably replace partially or entirely the previously existing static methods.
5) If none of the above cases met your criteria, then apply the three most important indicators: your experience, your competences in the given project and common sense.

http://www.refactoringideas.com[..]-to-get-rid-of-helper-and-utils-classes/

Converting forloop to streaming - http://martinfowler.com/articles/refactoring-pipelines.html

Refactoring JavaScript from Sync to Async in Safe Baby-Steps - http://www.natpryce.com/articles/000812.html

code-refactoring-dos-donts - https://jaxenter.com/code-refactoring-dos-donts-135960.html

Let clean code guide you. Then let it go. - https://overreacted.io/goodbye-clean-code/ https://www.infoq.cn/article/dNO484YEeumvC6b6ZNWL

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