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Mon Aug 31 21:18:32 HKT 2020

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Sun Sep 27 21:19:10 HKT 2020 From /weblog/science


Graphene -[..]/graphene-superconductor-insulator-43242

Around 40% of all the plastic we use is packaging. Single-use, plastic packaging. -[..]esign-revolution-plastic-design-02082018

metallic-wood -

recycled plastic -[..]what-should-we-do-about-recycled-plastic

Scientists make an 18-atom ring of pure carbon -[..]sts-make-an-18-atom-ring-of-pure-carbon/[..]e/pumice-uses-structure-feature-geology/[..]are-alive-and-double-as-hi-tech-sensors/[..]t-are-its-main-types-a-simple-explainer/[..]/geology/roman-concrete-seawater-043432/[..]material-we-stuff-our-wine-bottles-with/

Volcano-dwelling beetle inspires new ‘passive cooling’ material -[..]e/longicorn-beetle-coating-heat-9325234/

Metal-eating bacteria discovered in dirty lab glassware -[..]e/metal-eating-bacteria-manganese-05235/[..]s-the-worlds-first-un-cuttable-material/

Persians were making proto-stainless steel 1,000 years ago -[..]ng-proto-stainless-steel-1000-years-ago/

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Fri Aug 07 09:10:56 HKT 2020 From /weblog/computer+science


Bootstrapping a compiler from nothing. -


What LLVM can do, and cannot do -[..]er-behind-swift-rust-clang-and-more.html

Know Thy Complexities! - [..]oW9D2qyCTt3qMftzYxsdz7KJs8LkSeRPWLzguwpA

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Thu Aug 06 15:11:31 HKT 2020 From /weblog/science


Now the richest man of China is the scientist who research on solar cell

Biodiesel -

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

Nuclear battery -

如何開采頁岩油 -[..]ics-environmental-risk-fracking-18052018

關于可再生能源的六個謬誤 -

Solar plant -

香港工廠如何將地溝油變廢為寶 -

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

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

petroleum -

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

electricity hum -[..]ature-post/why-electricity-hum-07112017/

How quick charge work -[..]science/physics/microwave-oven-from-ww2/

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

Rust and salt water — the new way to generate electricity -[..]st-water-producing-electricity-31072019/

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

Who really discovered electricity? -[..]e-post/who-discovered-electricity-96363/

The most powerful renewable energy -[..]00713-the-most-powerful-renewable-energy[..]crowaving-water-silver-adaptor-23521421/

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Wed Aug 05 09:35:56 HKT 2020 From /weblog/science


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

色彩斑斕的動物 -

地球上仍存活的最古老生物 -

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

rare-flowers-that-are-stunning-to-look-at -

earth-facts-that-might-surprise-you -

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

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

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

25 Interesting Tidbits About Deserts That Will Make You Glad For Rain -[..]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. -[..]interesting-facts-that-you-probably.html

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

Types of mountains -[..]st/main-types-mountains-earths-ups-downs

bizarre-ocean-phenomena -[..]ean-phenomena-you-wont-believe-are-real/[..]ology/animals-ecology/animal-speed-limit

Ocean -[..]ising-ocean-facts-most-people-dont-know/

Earth -

sinkholes -[..]other/science-abc/science-abc-sinkholes/

ecosystems -[..]what-they-are-and-why-they-are-important[..]ture-post/what-is-supervolcano-18032018/[..]/feature-post/largest-river-world-43223/

What is soil? Here’s the inside scoop -

What causes an Ice Age? A simple explainer -[..]water-dont-underestimate-the-connection/[..]108-why-the-world-is-running-out-of-sand

Even a little extra CO2 is triggering big changes in forests -[..]o2-is-triggering-big-changes-in-forests/

Christmas flakes: macro photography reveals unique snowflake design -[..]/great-pics/christmas-snowflakes-photos/

This is the secret behind biodiversity hotspots -[..]ience/biodiversity-hotspot-source-35243/

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Wed Aug 05 09:32:32 HKT 2020 From /weblog/health


depression -[..]pression-and-improve-your-mood/?view=all

【壹週刊健康】認識ADHD》腦裡有嘭嘭聲乜都喊 -

鍛煉能改善孤僻和拖延? -

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. -[..]iblings-it-affects-them-for-life/543975/

你/妳的自戀衝擊、她/他的創傷 -

美國 FDA 通過第一個 ADHD 的治療電玩處方:EndeavorRX! -

Elisabeth Kübler-Ross: The rise and fall of the five stages of grief -

So what can people do to combat the effects of uncertainty? Both Newman and Nitschke say focusing on the present can help dispel uncertainty and the anxiety it foments. “Do things you enjoy,” Nitschke says. “Get out a book you’ve been meaning to read or watch a little Netflix or talk with a friend on the phone — something that gets your brain into the present moment.” -[..]inty-is-so-hard-on-our-brain-6ac75938662

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Wed Aug 05 09:17:01 HKT 2020 From /weblog/health/food


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Tue Aug 04 14:11:30 HKT 2020 From /weblog/history


Egypt -[..]t-not-know-about-ancient-egypt/?view=all[..]ight-leave-you-a-bit-surprised/?view=all

madagascar -[..]-madagascar-you-might-not-know/?view=all

“Our world is moved by the minerals of the Congo,” says Mombilo. “The positive thing I can say is that in all these advanced technologies, you’re talking about the Congo.” -[..]orgotten-mine-that-built-the-atomic-bomb

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Fri Jul 31 08:40:03 HKT 2020 From /weblog/health


How Nasal Breathing Keeps You Healthier -[..]eathing-keeps-you-healthier-3695bb5c6cd1

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Wed Jul 29 14:13:02 HKT 2020 From /weblog/java/performance


Will you get any performance improvement if you manage memory yourself? -[..]ne-is-faster-java-heap-or-native-memory/

More heap, GC will get slower -[..]ing-heap-size-beware-of-the-cobra-effect

Collection of tools to analysis GC activities -

Another presentation of performance hint for hotspot or memory -

Show how to enable and analyze the verbose:gc out data -[..]3/01/java-verbose-gc-tutorial-video.html

Discussion and comparison of difference GC at Java 1.7 -[..]7/java-garbage-collection-distilled.html . And here is the detail experiment among those difference GC, look like G1 is quite promising -[..]ng-and-benchmarking-java-7s-garbage.html

Memory is not allocate to single block, thus even you allocate enough memory in term of size, it may not enough to held individual object -

Introduction to metaspace -[..]optimising-memory-consumption-first.html

Some comments about System.gc() -[..]om/2015/12/why-i-dont-like-systemgc.html[..]ng-your-java-garbage-collection-overhead

Logging stop-the-world pauses in JVM -[..]log/logging-stop-the-world-pauses-in-jvm

Why we should put difference app in same VM -[..]0/generational-disparity-in-garbage.html

Atlassian GC tuning guide -[..]ollection-gc-tuning-guide-461504616.html

Using jemalloc to get to the bottom of a memory leak -[..]c-to-get-to-the-bottom-of-a-memory-leak/

Troubleshooting-Java-Memory-Issues -

Useful parameters for OOME -

Why Java's TLABs are so important and why write contention is a performance killer in multicore environments -

MMU gang wars: the TLB drive-by shootdown -

Latency implications of virtual memory -

foreign-memaccess -[..]cimadamore/panama/foreign-memaccess.html

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Mon Jul 27 13:52:11 HKT 2020 From /weblog/career/jobs

interviewee tip

This is why you fail -[..]here-is-main-reason-why-you-suck-at.html[..]/03/my-problem-with-your-interviews.html

Preparation -[..]erview-tips-how-to-get-prepared-for.html

10 types of crappy interviewees -[..]/02/10-types-of-crappy-interviewees.html

How to do good in google interview -

Google interview questions -[..]oogle-job-interview-questions-pm-se.html[..]i-really-wow-an-employer-at-an-interview

Ask questions -[..]ring-manager-and-the-interview-team.html[..]-and-when-to-ask-them-during-interviews/

Why you don't get the interview -[..]2/08/06/why-you-didnt-get-the-interview/

Questions for PM roles -[..]view-questions-for-project-managers.html[..]view-questions-for-program-managers.html

Solution of how to pick a heavier ball from a lot of other same weigth balls -[..]/2013/01/a-tough-interview-question.html

Tips To Overcome Ageism In Hiring As a Software Professional -

Google interview questions -[..]gle-interview-questions-answers-top.html

The core of your preparation for the job interview:

Learn what they do.
Learn how they do what they do.
Figure out exactly what skills, experience and background you have that will help them do what they do faster and cheaper.
Plan how you’re going to explain #3 to them.

Everything else is implementation details.[..]for-a-job-interview-the-4-point-summary/

Few good questions to ask in interview -[..]ight-and-wrong-reasons-for-changing-jobs[..]-a-resume-that-gets-you-hired-at-google/

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Mon Jul 27 08:29:29 HKT 2020 From /weblog/design


"Bad programmers worry about the code. Good programmers worry about data structures and their relationships." -[..]uote-about-good-programmer/163187#163187

Compare between schema and schema=less ( like key value mapping ) data -

Simple AVL tree -

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Mon Jul 27 08:24:34 HKT 2020 From /weblog/design/examples


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Sun Jul 26 21:15:43 HKT 2020 From /weblog/learning


Sometime implicit training is better -[..]cience/penalty-taking-football-29082018/

Use password to remind you -[..]-a-password-changed-my-life-7af5d5f28038

I've often mentioned that successful performance professionals spend more time working on their game than in actually playing -[..]o-ways-of-achieving-trading-mastery.html[..]-hardest-part-about-learning-hard-things

When you are stuck on something, how often do you ask yourself: “What are things I can do to help myself?”
Whenever you feel like you are not making progress, how often do you ask yourself: “Is there a better way of doing this?”
Whenever you feel frustrated with something, how often do you ask yourself: “How can I do this better?”
In moments when you feel challenged, how often do you ask yourself: “What are things I can do to make myself better at this?”
When you are struggling with something, how often do you ask yourself: “What can I do to help myself?”
Whenever something feels difficult, how often do you ask yourself: “What can I do to get better at this?”[..]indset-you-need-to-succeed-at-every-goal

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Sat Jul 25 23:29:00 HKT 2020 From /weblog/hardware


How FPGA help in low latency space -

The History, Status, and Future of FPGAs -

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Fri Jul 24 21:50:06 HKT 2020 From /weblog/design/examples


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Fri Jul 24 10:43:52 HKT 2020 From /weblog/science


World’s Best Paper Airplane -

Water -

The LeverAxe uses physics to finally bring splitting wood to the 21st century -

What’s the difference between diffusion and osmosis -[..]ence/difference-diffusion-osmosis-043243
What is osmosis — the most important principle in biology -

Sound -

葡萄進微波爐迸電漿閃光!最新論文解 -[..]o-microwave-resonances-of-aqueous-dimers

What, really, is the speed of sound? -
why is snow white -

bubbles-guinness-go-down -[..]hysics/bubbles-guinness-go-down-06062019

用物理學打造的這籃框,讓你投籃百發百中 -[..]ticle/19633-a-Never-Miss-Basketball-Hoop

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Fri Jul 17 22:03:28 HKT 2020 From /weblog/health/food


Eating fish may protect the brain from air pollution and white matter shrinkage -[..]ine/eating-fish-brain-shrinkage-0523523/

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Tue Jul 14 22:54:48 HKT 2020 From /weblog/software_engineering/team


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