📜 [專欄新文章] Gas Efficient Card Drawing in Solidity
✍️ Ping Chen
📥 歡迎投稿: https://medium.com/taipei-ethereum-meetup #徵技術分享文 #使用心得 #教學文 #medium
Assign random numbers as the index of newly minted NFTs
Scenario
The fun of generative art NFT projects depends on randomness. The industry standard is “blind box”, where both the images’ serial number and the NFTs’ index are predetermined but will be shifted randomly when the selling period ends. (They call it “reveal”) This approach effectively solves the randomness issue. However, it also requires buyers to wait until the campaign terminates. What if buyers want to know the exact card right away? We’ll need a reliable onchain card drawing solution.
The creator of Astrogator🐊 isn’t a fan of blind boxes; instead, it thinks unpacking cards right after purchase is more interesting.
Spec
When initializing this NFT contract, the creator will determine the total supply of it. And there will be an iterable function that is randomly picking a number from the remaining pool. The number must be in range and must not collide with any existing ones.
Our top priority is accessibility/gas efficiency. Given that gas cost on Ethereum is damn high nowadays, we need an elegant algorithm to control gas expanse at an acceptable range.
Achieving robust randomness isn’t the primary goal here. We assume there’s no strong financial incentive to cheat, so the RNG isn’t specified. Implementers can bring their own source of randomness that they think is good enough.
Implementation
Overview
The implementation is pretty short and straightforward. Imagine there’s an array that contains all remaining(unsold) cards. When drawIndex() is called, it generates a (uniform) random seed to draw a card from the array, shortens the array, and returns the selected card.
Algorithm
Drawing X cards from a deck with the same X amount of cards is equal to shuffling the deck and dealing them sequentially. It’s not a surprise that our algorithm is similar to random shuffling, and the only difference is turning that classic algo into an interactive version.
A typical random shuffle looks like this: for an array with N elements, you randomly pick a number i in (0,N), swap array[0] and array[i], then choose another number i in (1,N), swap array[1] and array[i], and so on. Eventually, you’ll get a mathematically random array in O(N) time.
So, the concept of our random card dealing is the same. When a user mints a new card, the smart contract picks a number in the array as NFT index, then grabs a number from the tail to fill the vacancy, in order to keep the array continuous.
Tweak
Furthermore, as long as the space of the NFT index is known, we don’t need to declare/initialize an array(which is super gas-intensive). Instead, assume there’s such an array that the n-th element is n, we don’t actually initialize it (so it is an array only contains “0”) until the rule is broken.
For the convenience of explanation, let’s call that mapping cache. If cache[i] is empty, it should be interpreted as i instead of 0. On the other hand, when a number is chosen and used, we’ll need to fill it up with another unused number. An intuitive method is to pick a number from the end of the array, since the length of the array is going to decrease by 1.
By doing so, the gas cost in the worst-case scenario is bound to be constant.
Performance and limitation
Comparing with the normal ascending index NFT minting, our random NFT implementation requires two extra SSTORE and one extra SLOAD, which cost 12600 ~ 27600 (5000+20000+2600) excess gas per token minted.
Theoretically, any instantly generated onchain random number is vulnerable. We can restrict contract interaction to mitigate risk. The mitigation is far from perfect, but it is the tradeoff that we have to accept.
ping.eth
Gas Efficient Card Drawing in Solidity was originally published in Taipei Ethereum Meetup on Medium, where people are continuing the conversation by highlighting and responding to this story.
👏 歡迎轉載分享鼓掌
同時也有28部Youtube影片,追蹤數超過14萬的網紅モクシロク,也在其Youtube影片中提到,Short Film 「CHOICE」 Are we blessed to be born? What is blessing? realistic element? Or the sense of blessing a blessing itself? 我々は祝福され生まれてきたのであろうか...
「what is element」的推薦目錄:
- 關於what is element 在 Taipei Ethereum Meetup Facebook 的精選貼文
- 關於what is element 在 貓的成長美股異想世界 Facebook 的精選貼文
- 關於what is element 在 Facebook 的最讚貼文
- 關於what is element 在 モクシロク Youtube 的最佳貼文
- 關於what is element 在 Dainghia25 Youtube 的精選貼文
- 關於what is element 在 ロイドごはん Youtube 的最佳貼文
- 關於what is element 在 What Is An Element, Mixture And Compound? | FuseSchool 的評價
- 關於what is element 在 Element vs Compound - YouTube 的評價
- 關於what is element 在 What is an element in Flutter? - Stack Overflow 的評價
- 關於what is element 在 What is the definition of of 'compound', 'mixture', 'element' and ... 的評價
what is element 在 貓的成長美股異想世界 Facebook 的精選貼文
🌻
美國聯準會(Fed)在美東時間22日下午2時(台灣23日凌晨2時)宣布利率維持在趨近零的水準,但暗示升息可能會比預期來得快一些,同時也大幅下修今年的經濟展望。
https://udn.com/news/story/6811/5764746
🌻Adobe(ADBE)電話會議內容讀後感
ADBE前兩天發表財報了.
這次ADBE在財報後下跌, 主要是兩個原因(如下). 不過個人覺得是瑕不掩瑜:
1. 因為之前已經漲了不少(投資人期望太高)
2. 因為Digital Marketing這部分的業務受到季節性的影響, 所以表現不是很突出(沒有比預期高出很多)
a. net new Digital Media ARR (3% beat vs guide, vs 15% beat in 2Q21 vs 35% beat in 3Q20).
b. 有分析師在問(“Maybe just -- can we double-click on the seasonality commentary in the quarter? Because if we look at the beat versus guidance on net new digital media ARR, it looks, at the same time you had the weakest beat, but then the strongest guide in the last three years, which kind of speaks to and confirm some of those seasonality comments that you made.)
i. 高層對此的回答是, 主要是疫情後, 加上正值夏季, 大家的日子回復到正常&放假外出, 所以這部分的業務有受到影響(I think going into the quarter, we had expected that the consumer with a little bit more return to normalcy as what's happening in the environment.)
ii. 高層又說了一些話, 不過重點就是他不認為這是甚麼大事”So, net-net, I would say that the growth prospects for that particular business and the growth drivers remain intact. But again, very much in line. And this is what we feel good about the insights that we're getting on the business.”
iii. 也提到, Q4通常會是digital marketing業務的旺季(表現會不俗的意思)
另外, 覺得這次令我印象深刻的是, 當高層與分析師提到這些事情:
• 常在一些公司的電話會議中提到omnichannel這個字(疫情後, 更明顯了). 這次高層也有提到. ADBE可說是omnichannel概念股:
o “I mean, a big part of that is more and more companies are thirdly doing the multi-channel omnichannel, whatever they want to call it. And I think that's only going to continue to be a driver of our Digital Experience Solutions. Because today that stable stakes and so we just look at it and say whether you're shopping in-store over they are shopping online. You need a solution that treats you like a customer that we know of.”
• 網路上影片(video)的興起, 以及串流影音, 有提高了Adobe的營收天花板(用句分析師的術語, 就是TAM (total addressable market) expansion.
• 當使用者製作了越來越多的內容, 內容管理(content management)的能力就越顯重要, 內容上的流程管理(workflow)也越顯重要. Adobe的產品能夠幫內容製作者解決這樣的問題.
• 而Adobe各產品間的相容性, 標準化, 整合能力, 是它的競爭優勢之一:
o And one of the things we did really well is what we called our named user deployment and how, you know, when we have these enterprise licensing agreements, we offer enterprises the ability to download and distribute within the companies. And the more we do training and evangelism of the products, that leads to adoption. So, I would say there's an element of standardization, there's an element of more content.
而最近ADBE有個新聞, 引起了我的注意, 就是它即將在自己的平台上, 提供付款服務(payment service). 根據之前研究SHOP的經驗, 這有可能會對股價造成一定的漲幅:
On Sept. 15, Adobe announced that it will add payment services to its e-commerce platform this year to help merchants accept credit cards and other ways of paying. The move will deepen Adobe's rivalry with e-commerce firm Shopify (SHOP).
For the service, Adobe has partnered with PayPal (PYPL), which will process a variety of payment types, including credit and debit cards as well as PayPal's own payment and buy-now-pay-later offerings.
https://www.investors.com/news/technology/adbe-stock-adobe-beats-fiscal-q3-targets/
接下來該怎麼辦? 對於基本面良好的公司如ADBE, 我能說的就是buy the dip(逢低買進)了. 供參.
🌻The Facebook Files
一個星期前, WSJ上面有個關於FB的大篇幅調查報導. 有興趣的可以看看.
The Facebook Files
https://www.wsj.com/articles/the-facebook-files-11631713039
這篇文章挺長, 也沒有看到華爾街中文版本的完整翻譯, 不過可以看看這篇:
https://on.wsj.com/2ZmFimp
"《華爾街日報》的相關調查顯示,這家社交媒體巨頭心知肚明,其平台會傷害用戶,而且是以該公司常常完全了解的方式造成傷害。目前,全球近半數人口都是Facebook旗下平台的用戶。其中一些證據尤其令人不安:據《華爾街日報》報導,Facebook的內部研究顯示,在報告稱有過自殺念頭的青少年中當中,有13%的英國用戶和6%的美國用戶把這種念頭歸結於Instagram。"
另一篇相關新聞:
https://www.thenewslens.com/article/156683
"《華爾街日報》於13日揭露Facebook的XCheck系統,也就是內部系統中的VIP名單,數百萬名人、政治人物與記者等知名公眾人物都在特別的一份「白名單」之內。"
"這些「貴賓」在社群上發布的內容可以躲過一般的審查系統,即使發布明顯的不當內容,也不會立即被刪除。《衛報》報導,Facebook的獨立監督委員會表示,在閱讀該篇報導後,決定要審查XCheck系統,並要求Facebook對其進行報告與解釋。"
🌻我喜歡的Apple TV影集, "Ted Lasso", 是這次艾美獎的大贏家, 很多主要演員都得獎了.
很高興這兩年, 因為有這部戲的陪伴, 讓我撐過了疫情, 家人離世, 以及一些烏煙瘴氣的事情.
前幾天看演員的得獎影片, 一位娛樂記者問得獎的男配角(也是編劇之一)說, 你覺得這部片的核心思想是甚麼. 他說, be curious, not judgemental.
就像得獎的女演員在劇中一開始是很鴨霸很壞心的球隊主人, 但這樣做是因為被前夫傷透了心, 所以想要弄垮離婚後分到的財產(也是前夫的最愛--球隊); 外表看起來永遠陽光燦爛做啦啦隊的男主角, 在青少年時父親自殺, 造成了他心裡永遠的痛&障礙(讓他在球賽時, 會有突發恐懼症).
我們每個人其實都有很多面, 很多個故事. 尤其在社群, 大家都是萍水相逢, 對彼此的了解都是非常片面的; 而有時候在社群裡, 看到有人會因為只看到一個面向, 就去下斷語. 這其實是人之常情很難避免, 所以我們需要常用第二層思考去提醒自己. 社群裡需要更多的同理心.
“Be curious, not judgmental” – Walt Whitman(惠特曼)(美國詩人)
Picture來源:
https://www.apple.com/newsroom/2021/09/apples-global-hit-comedy-series-ted-lasso-sweeps-the-2021-primetime-emmy-awards-scoring-history-making-win-for-outstanding-comedy-series/
what is element 在 Facebook 的最讚貼文
第四集 (一連七集) 哈佛知識分享: What is strategy? How do you create value? 什麼是策略 ? 你如何創造價值?
一開始我講過:
"The first test of a strategy is whether your value proposition is different from your rivals. If you are trying to serve the same customers and meet the same needs and sell at the same relative price, then you don't have a strategy. " by Michael Porter
如果你嘅價值主張係同你嘅競爭對手一樣, 即係話你服務緊同一班顧客, 解決緊同一問題, 收緊差唔多價錢的話, 哈佛教授米高波特就講你係「人做你做」,你「無策略」 。
咁何謂一個好嘅策略 Good Strategy? 教授講要經得起五個 Tests:
A distinctive value proposition 獨特的價值主張
A tailored value chain 度身訂造的企業價值鏈
Trade-offs different from rivals 同競爭對手不同的「取捨」
Fit across value chain 成條企業價值鏈的活動要配合
Continuity over time 持續性、持續性,不能一時一樣
今集先再你講(1) 同 (2)。 (1) 何謂獨特的價值主張? 你先回答以下三條問題,睇下你同競爭對手有乜唔同。
Which customers are you serving? (What end users? What channels?) 你服務緊邊班客? 誰是最終顧客? 什麼渠道接觸他們?
Which needs are you going to meet? (What products、features、services?) 你想滿足他們什麼需求? 什麼產品、特徵 、服務?
What relative price? (Premium or discount?) 相比起競爭對手,你打算賣貴啲或平啲?
"The value proposition is the element of strategy that looks outward at customers, at the demand side of the business. The value chain focuses internally on operations. Strategy is fundamentally integrative, bringing the demand and supply sides together." by Michael Porter
策略入面的「價值主張」 是從由顧客的「需求」角度出發。 「企業價值鏈」反而是由內部的營運流程「供應」出發。 策略的基礎就係把「需求」及「供應」兩者整合在一起。
你要有好嘅策略,你就要第 (2) Have a tailored value chain 有一條度身訂造的企業價值鏈。由入貨、加工、包裝、市場推廣、 銷售 、出貨、至售後服務都要同競爭對手唔同, 都係度身訂做去服務你以上「價值主張」要服務的顧客。
Michael Porter 話做生意常犯嘅錯誤,亦都係最忌嘅就係 "Stuck in the middle" 「卡住喺中間」。即係平又唔係平過人, 靚又唔係靚過人, 服務嗰班客或者佢哋嘅需求又唔係特別嘅過人,咁你就乜唔係,「價值主張」無乜特別,好難突出。咁你可以點?
例如, 如果就咁開間租車公司,你點同業界巨頭 Hertz, Budget, Avis 打呢? 好容易就 "Stuck in the middle", 因此絕大部分嘅租車公司你都唔會識,我亦都唔會提。 但美國有間獨特的租車公司,Zipcar, 佢同一般嘅租車公司好唔同。
Zipcar 唔係好似絕大部分嘅租車公司咁, target 區外客, 到咗某個城市要租車週圍走。佢係 target 平時市區內住,無養車, 但突然間想租車走一轉嘅人仕。佢唔係按「日租」,而係按「時租」, 你想去超級市場買一轉餸都可以租。
Zipcar冇話特定嘅租車中心, 而係啲車周街泊, 透過佢嘅Apps 你就知道架車泊咗係邊度及還車地點。 咁就更加方便同埋近你屋企。公司營運成本都平好多。
Zipcar 的車種經常畀人感覺係較 “Cool" ,比較型仔啲、環保啲。 佢唔會花好多錢大賣電視/戶外廣告,而係喺架車身上面貼住大大個公司 hip logo,變相周街免費流動廣告。
Zipcar 叫自己做 Car Sharing Company, not Car Rental Company。因為唔係個個人都租得,而只係付月費/年費的會員才能夠租。 依家月費每月7元美金或年費70元美金。咁佢就可以每次收費更平出租,但重複地賺你個月費年費。 佢想建立個形象就係 Car Sharing 遠遠環保過自己一個買架、保養、同埋棄置成架車。專攻年輕、活躍、較 "Green“ 的新一代。
Zipcar 仲有好多好多嘅特點講唔晒。總之就係,佢嘅 value proposition 價值主張 (Which Customers? Which Needs? What Relative Price?) 同所有其他租車公司巨頭都唔同, 成條嘅企業價值都係為咗個「價值主張」而去度身訂,同所有競爭對手都好唔同。
記住前幾集我同你講過,what's the right mind-set for competition? 你應該點諗競爭?
盡量得,你應該諗 Not be the the best, but be unique。 唔係要做到最好,而係做到最獨特。Zipcar is unique.
Not be number 1, but earn higher returns. 唔係要做到第一,而係要多啲回報,賺多啲錢! Zipcar 回報最高嘅係不斷重複收嘅月費年費,最穩定。
Not focus on market share, but focus on profits. 唔係要市佔率,係要利潤。Zipcar 賺錢。
Not serve the "best" customer with "best" product, but meet the diverse needs of target customers. 唔係要「最好」嘅產品,畀「最好」嘅客。而係用唔同嘅產品,滿足唔同顧客嘅需求。Zipcar 班客同其他租車公司好唔同。
Not compete by imitation, but compete by innovation. 唔係人做你做,而係要創新! Zipcar 肯定創新。
Not ZERO SUM game, but POSITIVE SUM. 唔係「零和遊戲」、互相廝殺, 而係大家從不同層面創造價值, 可以有好多個贏家。Zipcar 吸引咗一班平時唔係租開車嘅客, 佢做大咗個餅。
Zipcar 就係做到上 "Be Unique“ 嘅表表者。因此短短幾年間就可以係租車業界一支箭咁標上去,2000年係美國波士頓創立, 2013年就俾另一租車業界巨頭 Avis Budget Group 以美金5億收購了。2016年9月 Zipcar 公佈,全球9個國家,500個城市,擁有超過一百萬個會員。 一百萬個付費會員, 即使全部人唔租車,只係收月費年費都幾和味。 呢個就係我成日所講嘅做生意要做「農夫」,唔好做「獵人」,必須要客人係重複性購買, 你塊田先至會越嚟越大。
包括我自己在內,如果我純粹買賣舖, 根本我同其他商舖投資者無分別, 我錢又唔夠佢哋多,經驗又唔夠佢哋老到。 直接對撼,I have no strategy! 但我做「商舖基金」就完全唔同啦。班目標顧客、佢哋嘅需求、我所收嘅價錢,都完全唔同。 大家都係做「舖」,但我成條做「舖」嘅「企業價值鏈」, 由集資、買舖、 整理間舖、搵租客、諗計仔幫佢做多啲生意、至出售間舖、同售後服務, 都係同其他競爭對手唔同。亦都解釋咗點解, 即使社運/肺炎,我哋基金每季集資起碼6000港幣都季季爆額,近年全香港買賣街舖無人多過我哋, 我相信只要我哋專注係我哋條買舖的獨特嘅「企業價值鏈」,未來幾十年香港都唔會有人買賣舖多過我哋。
"Choices in the value proposition that limit what a company will do are essential to strategy because they create the opportunity to tailor activities in a way that best delivers that kind of value." by Michael Porter
「選擇」係重要嘅! 你公司就要選有乜嘢做,同更重要 - 有乜嘢唔做,咁你先至可以更加度身訂造地做好你成條「企業價值鏈」,去為你嘅「價值主張」創造最佳價值。
有興趣一齊研究下點做? 聽多啲 Michael Porter,就來我星期六嘅早餐會啦! 下集我再同你講 (3) Trade-offs different from rivals 同競爭對手,應該有什麼不同的「取捨」?
。。。。。
My hobby 《星期六早餐會》!
九月份早餐會 Topic: Applying "Michael Porter" to your business: How to compete and win!
哈佛分享: 如何應用「米高波特」於你盤生意? 點競爭? 點贏?
講起哈佛策略教授, 無人出名過 Michael Porter. 有幸我2017年在哈佛親身上過他教的課程, 今次早餐會同你分享,希望對你做生意亦有所啟發。
有興趣參加啦 😃 每次限四位 (包括我)。 人多傾唔到計。
9月份,逢星期六早上9時開始,約三小時。地點中環。
對象: 中小企老闆/創業者/公司管理層,連我限4位。
有興趣參加的話,請 whatsapp 你的名片給 Suki (我助手) (+852) 5566 1335。
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what is element 在 モクシロク Youtube 的最佳貼文
Short Film 「CHOICE」
Are we blessed to be born?
What is blessing?
realistic element?
Or the sense of blessing a blessing itself?
我々は祝福され生まれてきたのであろうか
現実的な要素が祝福か?
祝福と思える考えがそれそのものか?
There’s no fairness in this world.
Time, Race, Age, Circumstances...
Every factor can change the way it works.
平等というものはこの世にはない
等しく皆に訪れる事柄でも、時代、人種、年齢、環境…
様々な要因が、作用を変化させる
Relativistic words swirl around, and distort our concepts.
The words that seem to provide hope have prerequisites that are taken for granted.
They don't even care about those who fell off from the frame.
相対評価的な言葉が渦巻き、概念を歪めていく
一見前向きな希望を謳った言葉も当たり前かのような前提条件があり
その枠に漏れたものの存在など考えてもいない
Hope turned into justice,
and the meaning of empathy changed to consumers.
いつしか希望が正論に変わり
共感の意味は消費者に変わった
So, are we all alone
No one is the same, we never understand each other.
but no one can live alone.
では我々は孤独なのであろうか
同じ人間は1人としておらず、理解し合うことはできない
だが、人は1人では生きていけない
Definitions are made from standards, and standards are different for each one of us.
Therefore, it may seem relative, but it is absolute.
定義は基準によって為され、基準は人それぞれだ
よってそれは相対的に見えて絶対的なのだ
“Love” is always tough. Painful. Frightful.
It's up to us to choose whether we want to be loved.
辛く、苦しく、恐ろしい愛の方が多く
それを愛されるとするかは選択次第なのだ
Life is painful.
Life is beautiful.
生きることは、苦しく
生きることは、美しい
Director : Koshun Mamiya
Director of Photography : Kotaro Yamada
Assistant Camera : Masato Tanaka
Lighting Director : Sora Okubo
Original/Styling/Edit : Koshun Mamiya
Translation : Nao Asada
Narrator : Anocam
Music : 329
Acoustic guitar : Tomoki Iwasaki
Cast : emma
Koshun Mamiya
https://www.instagram.com/koshunn/
emma
https://www.instagram.com/emma_chijoke/
Kotaro Yamada
https://www.instagram.com/kotaroyamada_jp/
Masato Tanaka
https://www.instagram.com/holyhuman__1231/
Sora Okubo
https://www.instagram.com/sora075_/
329
https://www.instagram.com/bpm329/
Anocam
https://www.instagram.com/anocam_/
Nao Asada
https://twitter.com/yokutabenemuru
what is element 在 Dainghia25 Youtube 的精選貼文
Nier Replicant Tree Memories - The Color of Lost Envy & how many were lost to the Red-Eyed Beasts
In the second half of Nier Replicant, after some major story events, you’ll return to the Forest of Myth one more time. This time, the Mayor will point you to the large tree at the back of the forest, which is worshipped in this area as if it were a god. When you go and interact with the tree, you’ll once again be given some riddles to solve - but this time there’s a twist.
That twist is as follows - we can’t give you the absolute answers to these riddles as there’s an element of randomness to them. The only way you can find the answers is by carefully reading the stories the tree tells, and then from those stories discerning the correct answer. However, we can explain how to find the correct answer in your game. Here’s that:
Q: "What was the color of lost envy?"
A: Answer with whatever the color of the girl’s eyes was in the first of the tree’s stories. It’ll appear like this: “Only one person brings the boy comfort: a healthy young girl with tan skin and [ANSWER] eyes.”
Q: “I implore you: How many were lost by the warrior who fought the red-eyed beasts?"
A: This detail is outright stated in the story; it says how many companions she has had. Look out for the following line: “Her friends and fellow warriors come and go. Some flee in terror. Some are eaten. She began the fight with [ANSWER] companions, but most are gone now.”
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what is element 在 ロイドごはん Youtube 的最佳貼文
まだまだ奥深い町中華の世界!神奈川県鎌倉市大船『味喜』に伺いました。大船駅の東口から徒歩でおよそ4分ほど、昭和の雰囲気が残る中華料理店です。ラーメン、餃子、チャーハンなどの中華定番からカレーライス、オムライス、カツカレーなどのごはん類も揃う、食堂の要素もある昔ながらの町中華。どこか懐かしい雰囲気の中で「今日は何を食べようか」と考えるのも楽しいですね。初訪問のお店、その様子から早速ご覧ください!
*感染対策を徹底して撮影を行っています。
*撮影に際しては、お店の方や周りのお客様に充分配慮して撮影をおこなっています。
The world of Chinese food, which is still deep! We visited Ofuna “Ajiyoshi” in Kamakura City, Kanagawa Prefecture. About 4 minutes on foot from the east exit of Ofuna station, it is a Chinese restaurant in the Ofuna Nakadori shopping street that retains the atmosphere of the Showa era. Traditional Chinese town with a dining room element, with traditional Chinese food such as ramen, dumplings, and fried rice, as well as rice such as curry rice, omelet rice, and cutlet curry. It's fun to think "what to eat today" in a nostalgic atmosphere. Please take a look at the shop you visited for the first time!
* We take thorough measures against infection.
* When shooting, we give due consideration to the shop and customers around us.
いつもありがとうございます!( ´ ▽ ` )
高評価&チャンネル登録もよろしくお願いいたします!
#町中華 #大船 #昭和遺産 #ロイドごはん #大食い
—————《サブチャンネルもよろしくお願いします! sub channel》—————————————
【メロンシートジャーニー】
https://www.youtube.com/channel/UCwNlBAUziFWkJZFY_u3t65A
【フラメンコロイド】
https://www.youtube.com/channel/UCsFJHNg3SR41R2a3vctUInw
—————《本日の店舗情報》—————————————————
『味喜』https://tabelog.com/kanagawa/A1404/A140401/14013947/
—————《ロイドごはんオススメの動画! ROIDGOHANs’ Recommended video》———————————
78才おじいちゃん屋台ラーメンの朝『幸っちゃん』夜明けの銀座【飯テロ】Old Style Ramen Stall Yatai Japanese Street Food
https://youtu.be/YHiWYvhxUI4
【家系ラーメン特集!】
https://www.youtube.com/playlist?list=PL6yW17uB9uIVUmOS8qnXrRwcBu8W-uRYZ
神回【ラーメン二郎の貴重映像】全増しが出来るまで一部始終を大公開!【ラーメン二郎 ひばりヶ丘店】ramen
https://youtu.be/mBFcdMHyaxA
—————《オリジナルサイトの情報》—————————————————
★ロイドwalker《人生をドラマチックに彩る旅とグルメと温泉図鑑》
https://ramenjapan.net/
★メロンシート《フラメンコギターの世界一の旅》
https://pordiotama3.xsrv.jp
★フラメンコロイド 《フラメンコロイドの神話と伝説》
https://flamenkoroid.net
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★ロイドごはん
https://twitter.com/roidgohan
★メロンシート
https://twitter.com/meloncito310
★フラメンコロイド
https://twitter.com/flamenkoroid
—————《instagram》———————————————————-
★ロイドごはん
https://www.instagram.com/roidgohan
★メロンシート
https://www.instagram.com/satoshimelo...
★フラメンコロイド
https://www.instagram.com/flamenkoroid
what is element 在 What Is An Element, Mixture And Compound? | FuseSchool 的推薦與評價
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