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Mon Aug 09 11:02:26 AEST 2021



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Sun Jan 09 22:14:43 AEDT 2022 From /weblog/health/sport

snow


Tutorial of snow activities

https://adventuremagazine.co.nz/how-to-wash-snow-pants/
https://www.skipeak.net[..]ur-guide-in-choosing-the-right-equipment
https://360guide.info[..]s-guide-basic-tips-for-snowboarding.html

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Sun Jan 09 16:46:33 AEDT 2022 From /gallery/Nature/Bird

20220109_164622



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Sun Jan 09 16:43:32 AEDT 2022 From /gallery/Nature/macro

20220109_164332



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Sun Jan 09 16:37:41 AEDT 2022 From /gallery/AU/Sydney/Stanhope+Gardens

20220109_163740



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Sun Jan 09 16:37:39 AEDT 2022 From /gallery/AU/Sydney/Stanhope+Gardens

20220109_163737



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Sun Jan 09 00:05:59 AEDT 2022 From /photo/cosmos/apod

eclipse_EV



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Sat Jan 08 23:35:35 AEDT 2022 From /weblog/love

relationship


https://getpocket.com[..]t-great-listeners-actually-do-1350613081

http://www.bbc.com[..]05-the-benefits-of-being-blinded-by-love

對愛上癮 你有愛情成癮症嗎? - https://dq.yam.com/post.php?id=14338

Research shows how happy couples argue — and why this matters a lot - https://www.zmescience.com[..]ouples-argue-and-why-this-matters-a-lot/

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Fri Jan 07 17:19:10 AEDT 2022 From /photo/cosmos/apod

venus_220101_ladanyi_web



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Fri Jan 07 17:15:49 AEDT 2022 From /weblog/science

cosmos


http://list25.com/25-most-puzzling-mysteries-of-the-universe/

http://list25.com/25-awesome-facts-about-mars/

http://list25.com[..]d-stunning-pictures-about-saturns-rings/

http://list25.com/25-images-that-capture-the-vastness-of-space/

http://list25.com[..]ce-that-you-can-see-with-your-naked-eye/

http://list25.com[..]ill-both-terrify-and-amaze-you/?view=all

http://list25.com[..]ut-space-and-space-exploration/?view=all

https://www.zmescience.com/space/what-are-gravitational-waves/

我們現在看到的星星早已死亡了嗎? - http://thestandnews.com[..]%B2%E6%AD%BB%E4%BA%A1%E4%BA%86%E5%97%8E/

相對論、量子力學、黑洞和反物質 - https://phycat.wordpress.com[..]uantum-mechanics-black-hole-anti-matter/

http://list25.com[..]t-things-in-the-known-universe/?view=all

What is dark matter? A deep dive - https://www.zmescience.com/science/physics/what-is-dark-matter/

http://list25.com/25-space-facts-youve-always-wanted-to-know/

http://list25.com[..]o-probe-images-that-will-blow-your-mind/

https://medium.com[..]sics-allowed-earth-to-exist-195ecc0da9ca

https://medium.com[..]ear-older-than-the-universe-71bee462c6be

http://www.zmescience.com[..]ophysics-space/big-bang-history-15092017

5 questions you were too embarrassed to ask about the expanding Universe - https://medium.com[..]bout-the-expanding-universe-9433c4906a29

Are Space, Time, And Gravity All Just Illusions? - https://medium.com[..]-gravity-all-just-illusions-d1d088df6150

http://list25.com[..]-the-big-bang-theory-you-might-not-know/

http://list25.com/25-sneaky-lies-you-were-told-about-space/

black hole - https://www.zmescience.com[..]c/science-abc-going-inside-a-black-hole/ https://www.zmescience.com[..]/space/supermassive-black-hole-07122017/

https://list25.com/25-most-bizarre-stars-in-the-universe/

https://list25.com[..]s-in-outer-space-that-cant-be-explained/

Really interesting - https://www.zmescience.com[..]ence/news-science/why-solar-system-flat/

prehistoric-people-astronomers - https://www.zmescience.com[..]/prehistoric-people-astronomers-0432423/

https://list25.com/25-crazy-facts-about-the-universe/

The Scale of the Universe - Interactive - https://apod.nasa.gov/apod/ap181007.html

Is the universe infinite? - https://www.zmescience.com[..]er/feature-post/is-the-universe-infinite

https://www.zmescience.com/science/what-are-dwarf-planets/

What is entropy, and why is it always increasing? - https://www.zmescience.com[..]entropy-and-why-is-it-always-increasing/

Voyager: Inside the world's greatest space mission - https://www.bbc.com[..]inside-the-worlds-greatest-space-mission

The hottest planet in the solar system — and why it’s probably not what you think - https://www.zmescience.com[..]st/hottest-planet-solar-system-16072020/

https://www.zmescience.com[..]/news-science/why-is-neptune-blue-00432/

Jupiter - https://www.zmescience.com/science/facts-about-jupiter-0523532/

How Stellar Winds of Dying Stars Are Shaped - https://www.zmescience.com/space/stellar-winds-dying-star-042342/

How much matter is there in the universe? Now we (kind of) know - https://www.zmescience.com[..]ere-in-the-universe-now-we-kind-of-know/

What are stars made of? - https://www.zmescience.com/science/what-are-stars-made-of-0432/

Moon - https://www.zmescience.com[..]and-why-its-probably-not-what-you-think/

14 Mars facts we’ve only learned in recent years - https://www.zmescience.com[..]feature-post/mars-facts-recent-13012021/

Physicists believe faster-than-light travel is indeed possible with new warp drive - https://www.zmescience.com[..]ence/faster-than-ligh-travle-warp-drive/

Apollo 11 in realtime - https://apolloinrealtime.org/11/

From candles to ladders: how astronomers measure very large distances in the universe - https://www.zmescience.com[..]ost/universal-expansion-ladder-15032021/

The mystery of how big our Universe really is - https://www.bbc.com[..]26-the-mystery-of-our-expanding-universe

What are Black Holes: The Journey From Theory to Reality - https://www.zmescience.com/space/what-are-black-holes/

What is dark matter? A deep dive - https://www.zmescience.com/science/physics/what-is-dark-matter/

Could we use a Dyson sphere to harvest energy around a black hole? - https://www.zmescience.com[..]e-to-harvest-energy-around-a-black-hole/

Neutron Stars: one of the most extreme objects we know - https://www.zmescience.com/space/neutron-star-feature/

A universe in a bottle: why simulating everything there is is so important - https://www.zmescience.com[..]ing-everything-there-is-is-so-important/

One Great Article About Every Planet in the Solar System - https://getpocket.com[..]e-about-every-planet-in-the-solar-system

Solar system in action - https://www.nationalgeographic.com[..]haotic-birth-of-our-solar-system-feature

Modern astronomy is giving us unprecedented views of the asteroids, comets, and other small bodies that litter our cosmic home. These planetary leftovers offer clues to our creation—and potential destruction. - https://www.nationalgeographic.com[..]king-secrets-of-the-solar-system-feature

Space Hurricane - https://www.nationalgeographic.com[..]e-phenomenon-of-space-hurricanes-decoded

A different way of looking at the sky — Brazilian ethnoastronomy and its unique constellations - https://www.zmescience.com[..]noastronomy-brazilian-american-28102021/

Earth Has a Second Moon—For Another 300 Years, At Least - https://time.com/6116644/earth-second-moon

A look at the Oort cloud, on the very edge of the solar system - https://www.zmescience.com[..]ort-cloud-structure-composition-feature/

The astrolabe: the Swiss Army knife of ancient celestial navigation - https://www.zmescience.com/science/what-is-astrolabe-04322/

Space rocks: the difference between asteroids, comets, and meteors - https://www.zmescience.com[..]nce-asteroids-meteorite-comets-06012022/

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Fri Jan 07 16:57:52 AEDT 2022 From /weblog/history

world


surgical-tools-you-want-to-stay-away - http://www.damncoolpictures.com[..]urgical-tools-you-want-to-stay-away.html

incredible-animals-that-shaped-human-history - http://list25.com[..]mals-that-shaped-human-history/?view=all

amazing-moments-from-history-captured - http://www.damncoolpictures.com[..]azing-moments-from-history-captured.html

historically-accurate-modern-day-thanksgiving-facts - http://list25.com[..]-modern-day-thanksgiving-facts/?view=all

bizarre-historical-facts-you-didnt-know - http://list25.com[..]istorical-facts-you-didnt-know/?view=all

The cheap pen that changed writing forever - https://www.bbc.com[..]le/20201028-history-of-the-ballpoint-pen
http://www.damncoolpictures.com[..]last-photos-ever-taken-of-25-famous.html

greatest-warriors-of-all-time - http://list25.com/25-greatest-warriors-of-all-time/?view=all

incredible-historical-armors - http://list25.com[..]orical-armors-that-still-exist/?view=all

facts-about-world-war-i-that-shaped-the-world - http://list25.com[..]ld-war-i-that-shaped-the-world/?view=all

一戰戰地的今與昔 - http://cn.wsj.com/big5/20140630/PHO102559.asp?source=rss http://cn.wsj.com/big5/20140705/opn093501.asp?source=rss

http://list25.com/25-worst-earthquakes-in-history/?view=all

http://list25.com[..]ht-just-make-you-a-grandmaster/?view=all

http://list25.com[..]-bicycles-for-bike-enthusiasts/?view=all

Nowadays doctors don't make house calls all to often but back in 1948 this type of practice was very common. As you're about to see, rural doctors had a very busy job. - http://www.damncoolpictures.com[..]-it-was-like-to-be-rural-doctor-for.html

http://list25.com/25-most-hardcore-snipers-in-history/?view=all

http://list25.com[..]otos-you-wont-believe-are-real/?view=all

http://list25.com/25-bizarre-facts-about-clothing/?view=all

http://list25.com/25-most-influential-cities-in-history/?view=all

http://list25.com[..]hygiene-practices-from-history/?view=all

http://www.damncoolpictures.com[..]ese-are-top-10-highest-iqs-in-human.html

http://list25.com[..]warriors-ever-sent-into-battle/?view=all

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

http://list25.com[..]sting-facts-about-sunken-ships/?view=all

Largest cities in the world - http://list25.com[..]n-the-world-throughout-history/?view=all

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

most-important-people-in-history-who-are-drastically-underrated - http://list25.com[..]who-are-drastically-underrated/?view=all

trivia-about-trains - http://list25.com/25-awesome-trivia-about-trains/?view=all

legendary-mythical-weapons - http://list25.com[..]l-weapons-which-shaped-history/?view=all

Boxing - http://list25.com[..]things-you-never-knew-about-it/?view=all

Writing system - http://list25.com[..]that-we-might-never-figure-out/?view=all

lesser-known-but-horrific-war-crimes - http://list25.com[..]ar-crimes-that-might-shock-you/?view=all

Flags - http://list25.com[..]ngs-you-never-knew-about-flags/?view=all

Pilots - http://list25.com[..]ies-and-anecdotes-about-pilots/?view=all

hardcore-people-to-have-ever-lived - http://list25.com[..]core-people-to-have-ever-lived/?view=all

Deadliest wars - http://list25.com/25-deadliest-wars-in-human-history/?view=all

Favorite lanmarks - http://list25.com[..]tion-youve-probably-never-seen/?view=all

symbols - http://list25.com[..]ve-lost-their-original-meaning/?view=all

mother-teresa - http://list25.com[..]esa-and-her-extraordinary-life/?view=all

Bomb - http://list25.com[..]acts-that-are-fairly-explosive/?view=all

byzantine-emperors - http://list25.com[..]-byzantine-emperors-in-history/?view=all

25 Largest And Most Epic Empires In History - http://list25.com[..]d-most-epic-empires-in-history/?view=all

architects-whose-works-are-truly-inspiring - http://list25.com[..]hose-works-are-truly-inspiring/?view=all

unique-winter-traditions-around-the-world - http://list25.com[..]er-traditions-around-the-world/?view=all

most-remarkable-nobel-peace-prize-winners - http://list25.com/25-most-remarkable-nobel-peace-prize-winners/

makeup-history - http://list25.com[..]makeup-history-facts-youll-want-to-know/

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

amazing-battles-in-history - http://list25.com/25-amazing-battles-in-history/

http://list25.com/25-shocking-facts-about-slave-trade/

https://list25.com/25-modern-day-folk-heroes-we-want-to-know/

https://list25.com[..]rs-who-died-horribly-unfortunate-deaths/

https://list25.com/25-most-important-events-in-history/

https://list25.com[..]ts-about-canada-you-probably-didnt-know/

https://list25.com[..]y-bizarre-rituals-from-around-the-world/

10大想不到發明全來自第一次世界大戰 - https://dq.yam.com/post.php?id=1928

Ancient library - https://list25.com[..]ancient-libraries-you-should-know-about/

https://list25.com[..]-badass-bounty-hunters-in-history-list25

宛如孤船 海上吉普賽人──巴夭族 - https://dq.yam.com/post.php?id=11174

萬年前最大初代農業聚居地 如現代城市過度擠擁、衛生惡劣、多暴力衝突 - https://thestandnews.com[..]%9A%E6%9A%B4%E5%8A%9B%E8%A1%9D%E7%AA%81/

【世界公民】講錯了?「萬聖節」其實不是Halloween - https://www.inside.com.tw/article/18010-the-origin-of-halloween

https://list25.com/25-oldest-cities-from-around-the-world/

whistlers - https://getpocket.com/explore/item/here-there-be-whistlers

https://www.nationalgeographic.com[..]/2020/06/how-bicycles-transformed-world/

https://www.nationalgeographic.com[..]05-06/fierce-amazons-more-than-myth-real

https://www.bbc.com[..]eing-747-the-plane-that-shrank-the-world

【地球咬一口】還沒有滅絕的恐龍 星馬國民飲品:美祿恐龍 - https://dq.yam.com/post.php?id=12703

jeanne calment - https://www.newyorker.com[..]-oldest-person-who-ever-lived-or-a-fraud

找回黑白照片的生機 替歷史上色的俄國藝術家 - https://dq.yam.com/post.php?id=13160

看人玩石頭找靈感 歷久不衰的原子筆這樣來 - https://dq.yam.com/post.php?id=13171

Abu Rayhan al-Biruni - https://www.zmescience.com[..]esy-anthropology-and-master-of-pharmacy/

發現數千種新物種的探索 - https://www.bbc.com[..]that-discovered-thousands-of-new-species

失踪的大陸花了375年的時間才發現 - https://www.bbc.com[..]ast-secrets-of-the-worlds-lost-continent

The clever folds that kept letters secret - https://www.bbc.com[..]n-tricks-of-letterlocking-shaped-history

The biggest dams in the world — the definitive list - https://www.zmescience.com[..]t-dams-in-the-world-the-definitive-list/

The largest dams in the world — by water capacity - https://www.zmescience.com[..]est-dams-in-the-world-by-water-capacity/

This Stone Age settlement took humanity's first steps toward city life - https://www.nationalgeographic.com[..]gricultural-settlement-catalhoyuk-turkey

The condom is more important and storied than most of us realize. - https://www.zmescience.com[..]-important-history-of-the-humble-condom/

印巴分治後的創傷與鄉愁 「達斯坦計畫」用VR帶倖存者重返故土 - https://dq.yam.com/post.php?id=14223

Sugarcane, slaves, empire-toppling — the story of rum - https://www.zmescience.com/science/rum-history-feature/

How long has everyone screamed for ice cream? - https://www.nationalgeographic.com[..]how-long-everyone-screamed-for-ice-cream

Who the world's first celebrity chef? - https://www.nationalgeographic.com[..]e/careme-the-worlds-first-celebrity-chef

Air condition - https://hackaday.com[..]27/tech-in-plain-sight-air-conditioning/

The sinister uniform represents a fascinating trip into history, during a time when humans were still struggling to understand infectious diseases. - https://www.zmescience.com[..]-doctors-wear-that-weird-beaked-costume/

Although the technology is old, it can learn new tricks and still serve us well. - https://www.zmescience.com[..]/science/iron-lungs-history-use-feature/

The ‘Tsar Bomba’: the most powerful nuclear weapon ever made - https://www.zmescience.com[..]e-most-powerful-nuclear-weapon-ever-made

Jacques Cousteau’s invention of the aqualung opened the undersea realm to scientists and the public. - https://www.nationalgeographic.com[..]n-who-taught-humans-to-breathe-like-fish

Test tube baby population: from 1 to a few million in less than 50 years - https://www.zmescience.com[..]/?goal=0_3b5aad2288-7f88e0afb5-242734313

誰發明了學校? - https://www.zmescience.com[..]/other/feature-post/who-invented-school/

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Fri Jan 07 11:16:54 AEDT 2022 From /weblog/health

brain


打游戲有助老年人集中注意力 - http://cn.wsj.com/big5/20131002/ptk113100.asp?source=rss

康寧漢說,工作要求人們集中注意力,這使得其心理、社交及物質層面的能量精力消耗枯竭,而這一切又會導致壓力的產生并降低勞動者的生產力。他說:“從辦公桌邊抽身離去進行午間休息能讓人們遠離腦力枯竭的根源。這還會為你提供在晌午時分——而不是等到一天工作結束之際——恢復大腦活力、重整精氣神的機會。” - http://cn.wsj.com/big5/20131025/hea075035.asp?source=rss

補腦良方要學會 - http://www.yimho.com/2060.html

http://list25.com[..]ain-that-your-brain-didnt-know/?view=all

在預防痴呆症方面,速度訓練已超越另外兩種流行的大腦訓練:記憶和推理練習。 - http://cn.wsj.com/big5/20161226/LIF152715.asp?source=rss

know-about-multiple-personality-disorder - http://list25.com[..]know-about-multiple-personality-disorder

alcohol help dementia - https://www.zmescience.com[..]ence/alcohol-dementia-research-22022018/

https://www.zmescience.com[..]ience/healthy-diet-brain-shrinkage-0432/

https://greatergood.berkeley.edu[..]prising_ways_exercise_changes_your_brain

high-intensity-aerobic-exercises-boost-brain-neuroplasticity - https://www.zmescience.com[..]c-exercises-boost-brain-neuroplasticity/

Science Confirms That the Vagus Nerve Is Key to Well-being - https://elemental.medium.com[..]-nerve-is-key-to-well-being-c23fab90e211

Left-Handed vs. Right-Handed - https://www.webmd.com/brain/ss/slideshow-left-handed-vs-right

為什麼在 Covid-19 限制期間這種對文字的健忘會增加尚不清楚,但這可以簡單地解釋為,我們中的許多人一直獨自在家工作,甚至在工作場所保持距離,因此我們擁有更少在過去一年左右的時間裡,有機會與其他人面對面交談。 我們在社交互動方面缺乏實踐。 - https://www.bbc.com[..]-19-has-the-pandemic-harmed-our-memories

Dark, leafy green vegetables
Whole grains
Fatty fish
Poultry
Beans
Nuts & seeds
Berries
Olive oil
https://www.webmd.com[..]hat-to-know-about-foods-for-brain-health

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Fri Jan 07 11:02:03 AEDT 2022 From /weblog/science/animal

fish


The skin of these bizarre deep-sea fish is among the blackest ever seen - https://www.zmescience.com[..]ea-fish-is-among-the-blackest-ever-seen/

Tongue-Eating Fish Parasites Never Cease to Amaze - https://www.nationalgeographic.com[..]ing-fish-parasites-never-cease-to-amaze/

Likely several hundred pounds heavier than the record-holding Mekong giant catfish, the ray reportedly weighed nearly 880 pounds. https://www.nationalgeographic.com[..]e/giant-stingray-biggest-freshwater-fish

What are the different types of shark species - https://www.zmescience.com/science/types-of-sharks-species-09432/

Sizing up sharks, the lords of the sea - https://www.nationalgeographic.com[..]es-family-tree-ocean-ecosystem-predator/


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Fri Jan 07 11:01:27 AEDT 2022 From /weblog/science/animal

sea


Meet the creatures of the night sea - https://www.nationalgeographic.com[..]0/07/meet-the-creatures-of-the-night-sea

underwater - http://list25.com[..]and-other-underwater-creatures/?view=all https://list25.com/25-strangest-deep-sea-creatures-discovered/

Goldfish turn to alcohol to get through winter in icy ponds Newburgh Gazette -
http://newburghgazette.com[..]ohol-to-get-through-winter-in-icy-ponds/ https://dq.yam.com/post.php?id=8074

Sea turtles can carry more than 100,000 tiny animals on their shells - https://www.nationalgeographic.com[..]-turtles-carry-thousands-of-hitchhikers/

Deepest Dive Ever Under Antarctica Reveals a Shockingly Vibrant World - https://www.nationalgeographic.com[..]frozen-beauty-exotic-creatures-penguins/

Meet the creatures of the night sea - https://www.nationalgeographic.com[..]/07/meet-the-creatures-of-the-night-sea/

octopus - https://www.nationalgeographic.com[..]s-anatomy-cephalopod-disguise-evolution/

In the 2021 Ocean Olympics, These Marine Animals Take Gold - https://www.scubadiving.com/best-ocean-athletes

These Are the Best Friends in the Ocean - https://www.scubadiving.com/these-are-best-friends-in-ocean

The Seas Are Rising. Could Oysters Help? - https://www.newyorker.com[..]seas-are-rising-could-oysters-protect-us

In the darkness of the open water, rarely seen creatures dance along the ocean current. - https://www.nationalgeographic.com[..]t-the-creatures-of-the-night-sea-feature

The electromagnetic fields are causing the crabs to 'freeze' in place. - https://www.zmescience.com[..]s-are-mesmerizing-crabs-around-scotland/

The Pacific lingcod, which feasts upon a wide variety of prey, replaces teeth much faster than expected—and it might not be alone. - https://www.nationalgeographic.com[..]ows-20-new-teeth-per-day-pacific-lingcod

We're not even sure exactly where jellyfish lie on the food chain -- but chemistry can help solve the case. - https://www.zmescience.com[..]opes-solve-mystery-about-jellyfish-diet/

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Fri Jan 07 11:00:16 AEDT 2022 From /weblog/science/animal

whale


storm-sperm-whales - http://www.zmescience.com[..]/geomagnetic-storm-sperm-whales-05092017

Groundbreaking effort launched to decode whale language - https://www.nationalgeographic.com[..]-to-try-to-decode-the-language-of-whales

What I Saw When I Came Eye to Eye with a Whale - https://www.outsideonline.com[..]m/2415069/sperm-whales-research-dominica

Secrets of the Whales - https://disneyplusoriginals.disney.com/show/secrets-of-the-whales

The hidden world of whale culture - https://www.nationalgeographic.com[..]he-hidden-world-of-whale-culture-feature

On Knowing the Winged Whale - https://www.hakaimagazine.com[..]om/features/on-knowing-the-winged-whale/

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Thu Jan 06 17:22:56 AEDT 2022 From /photo/cosmos/apod

SunriseYear_Vanzella_2400



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Thu Jan 06 00:07:30 AEDT 2022 From /weblog/java/tools

dev


Generate a diff page forother toreview in HG - https://blogs.oracle.com/bondolo/entry/how_i_generate_a_webrev

Introduce a tool to keep IDE code and webcontainer code in sync - http://techblog.bozho.net/?p=1246

Auto complete of IDEA is pretty cool - http://maciejwalkowiak.pl[..]aster-with-intellij-idea-live-templates/

use ctrl-w to select text - http://paulhammant.com[..]ins-ides-their-best-feature-is-control-w

7-new-tools-java-developers-should-know - http://blog.takipi.com/7-new-tools-java-developers-should-know/

Buggy App is a simple java application that simulates different performance problems like Memory Leak, OutOfMemoryError, CPU spike, thread leak, StackOverflowError, deadlock, unresponsiveness, … - https://blog.fastthread.io[..]buggy-app-simulate-performance-problems/

13 Best Java Decompilers for Download and Online Use for Java Developers - https://www.javaprogramto.com/2021/11/java-decompiler.html

Generate fake data - http://www.datafaker.net/

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Wed Jan 05 09:55:31 AEDT 2022 From /weblog/nature

conservation


Jane_Goodall - https://vr.nationalgeographic.org/615-2/ https://www.nationalgeographic.org[..]phic.org/education/channel/jane-goodall/

Sylvia Earle: Exploring and protecting the ocean for seven decades - https://www.nationalgeographic.com[..]/sylvia-earle-protecting-exploring-ocean

How Argentina is saving one of Earth’s most remote places - https://www.nationalgeographic.com[..]ving-remote-tierra-del-fuego-marine-life

The urgent need to protect the Serengeti’s intricate web of life - https://www.nationalgeographic.com[..]serengetis-intricate-web-of-life-feature

Richard Leakey - https://www.nationalgeographic.com[..]ervationist-and-fossil-hunter-dies-at-77

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Wed Jan 05 00:59:20 AEDT 2022 From /weblog/design

id


System wide unique nanosecond timestamps - http://blog.vanillajava.blog[..]m-wide-unique-nanosecond-timestamps.html http://blog.vanillajava.blog[..]22/01/distributed-unique-time-stamp.html

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Wed Jan 05 00:55:28 AEDT 2022 From /photo/cosmos/apod

LeonardTail_Hattenbach_1600



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Wed Jan 05 00:36:02 AEDT 2022 From /weblog/java/performance

memory


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

More heap, GC will get slower - http://plumbr.eu[..]ing-heap-size-beware-of-the-cobra-effect

Collection of tools to analysis GC activities - http://www.fasterj.com/tools/gcloganalysers.shtml

Another presentation of performance hint for hotspot or memory - http://www.infoq.com/presentations/Extreme-Performance-Java

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

Discussion and comparison of difference GC at Java 1.7 - http://mechanical-sympathy.blogspot.com.au[..]7/java-garbage-collection-distilled.html . And here is the detail experiment among those difference GC, look like G1 is quite promising - http://java-is-the-new-c.blogspot.com.au[..]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 - https://plumbr.eu/blog/outofmemoryerror-on-overprovisioned-heap

Introduction to metaspace - http://www.infoq.com/articles/Java-PERMGEN-Removed

http://vanillajava.blogspot.com.au[..]optimising-memory-consumption-first.html

Some comments about System.gc() - http://jeremymanson.blogspot.com[..]om/2015/12/why-i-dont-like-systemgc.html

http://blog.takipi.com[..]ng-your-java-garbage-collection-overhead

Logging stop-the-world pauses in JVM - https://plumbr.eu[..]log/logging-stop-the-world-pauses-in-jvm

Why we should put difference app in same VM - http://mydailyjava.blogspot.hk[..]0/generational-disparity-in-garbage.html

Atlassian GC tuning guide - https://confluence.atlassian.com[..]ollection-gc-tuning-guide-461504616.html

Using jemalloc to get to the bottom of a memory leak - https://gdstechnology.blog.gov.uk[..]c-to-get-to-the-bottom-of-a-memory-leak/

Troubleshooting-Java-Memory-Issues - https://www.infoq.com/articles/Troubleshooting-Java-Memory-Issues

Useful parameters for OOME - https://jaxenter.com/jvm-outofmemoryerror-161257.html

Why Java's TLABs are so important and why write contention is a performance killer in multicore environments - https://www.opsian.com/blog/jvm-tlabs-important-multicore/

MMU gang wars: the TLB drive-by shootdown - http://bitcharmer.blogspot.com/2020/05/t_84.html

Latency implications of virtual memory - https://rigtorp.se/virtual-memory/

foreign-memaccess - http://cr.openjdk.java.net[..]cimadamore/panama/foreign-memaccess.html

Detect proactively whether application’s memory is under-allocated - https://jaxenter.com/memory-under-allocated-176329.html

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Tue Jan 04 15:33:07 AEDT 2022 From /weblog/design/examples

chat


http://highscalability.com/blog/2022/1/3/designing-whatsapp.html

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Tue Jan 04 15:32:08 AEDT 2022 From /weblog/design/examples

messaging


ZeroMQ: The Design of Messaging Middleware - http://www.drdobbs.com[..]&siteSectionName=architecture-and-design

When NOT to use a message queue - http://techblog.bozho.net/?p=1455

现代IM系统中的消息系统架构 - 架构篇 - https://yq.aliyun.com/articles/698301

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Tue Jan 04 01:09:32 AEDT 2022 From /photo/cosmos/apod

lunararcs_caxete_1280



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Sun Jan 02 00:57:00 AEDT 2022 From /photo/cosmos/apod

JWST



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