Good morning! ☀️
Breakfast? Brunch? Head over to Mitec’s Garden Court Café.
Savour an array of amazing spread that celebrates flavours from around the world. The menu offers nutritious and healthy breakfast options, a selection of fresh fruit juices, artisanal coffee and wholesome international and local favourites. 💥
Some of the highlights include the Durban Bunny Chow, freshly baked white bread bowl filled with hearty chicken or vegetarian curry, savoury Crispy Bacon Waffle topped with crunchy, thick cut streaky beef and the Big Mama Burrito stuffed with a generous portion of lamb sausage, eggs, roasted potatoes and cheddar cheese. 😋
Garden Court Café serves all day breakfast and lunch from 7.30am to 2.30pm. Diners can opt to dine indoors or outdoors in the Oval Garden.
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#breakfasttime #breakfastideas
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同時也有81部Youtube影片,追蹤數超過329的網紅Beixin & Robin,也在其Youtube影片中提到,With travel temporarily halted, we decided to explore the hidden gems within Singapore. Join us as we explore Thomson Nature Park, the 50-hectare buff...
「array of array to array」的推薦目錄:
- 關於array of array to array 在 Facebook 的精選貼文
- 關於array of array to array 在 Taipei Ethereum Meetup Facebook 的最佳貼文
- 關於array of array to array 在 PHOLFOODMAFIA - พลพรรคนักปรุง Facebook 的最讚貼文
- 關於array of array to array 在 Beixin & Robin Youtube 的最佳解答
- 關於array of array to array 在 Doctor KONAN / 木南 Youtube 的最佳貼文
- 關於array of array to array 在 Shiney Youtube 的最佳貼文
- 關於array of array to array 在 Merge/flatten an array of arrays - Stack Overflow 的評價
- 關於array of array to array 在 Learn JavaScript Multidimensional Array By Examples 的評價
- 關於array of array to array 在 The Basics of NumPy Arrays | Python Data Science Handbook 的評價
array of array to array 在 Taipei Ethereum Meetup Facebook 的最佳貼文
📜 [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.
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array of array to array 在 PHOLFOODMAFIA - พลพรรคนักปรุง Facebook 的最讚貼文
#ยำเห็ดรวมผักกาดแก้ว
😋🍴 ยำเห็ดหลากชนิด เสิร์ฟมากับผักกาดแก้วกรอบๆ จะเสิร์ฟในลักษณะเป็นจานยำ หรือเมี่ยงก็ได้เช่นกัน สามารถปรับเป็นรูปแบบมังสวิรัติด้วยการเปลี่ยนจากน้ำปลาเป็นซีอิ๊วขาวหรือโชยุได้👍🏼 สูตรโดย : พล ตัณฑเสถียร
ดูสูตรคลิกที่ลิงก์ https://bit.ly/39oUwcl
VDO : https://fb.watch/8bIqzsTDaR/
🛒 สนใจสั่งซื้อผลิตภัณฑ์คิง 🌾
สามารถช้อปออนไลน์ได้ที่ shopee
https://shopee.prf.hn/l/7JP0qgW
Mushroom Spicy Salad
This spicy salad comes with flavourful array of mushrooms, can be served in wrap style or as a traditional salad.
Recipe by Phol Tantasathien
To get the recipe https://bit.ly/39oUwcl
VDO : https://fb.watch/8bIqzsTDaR/
#ตามสั่งตามนั้น #ตามสั่ง #อาหารตามสั่ง #กินดี #ยำเห็ดรวม #ยำเห็ดหลากชนิด #แจกสูตร
array of array to array 在 Beixin & Robin Youtube 的最佳解答
With travel temporarily halted, we decided to explore the hidden gems within Singapore. Join us as we explore Thomson Nature Park, the 50-hectare buffer park unique for its rich cultural heritage as the site of a former Hainan Village. Thomson Nature Park is also home to a rich array of biodiversity and is notably a key conservation site for the critically endangered Raffles’ Banded Langur.
There are five trails within this park: Ruins and Figs Trail (1.50km), Streams and Ferns Trail (1.40km), Rambutan Trail (0.40km), Langur Trail (0.35km), and Macaque Trail (0.15km). Although we weren't fortunate enough to spot the elusive Raffles' Banded Langur on our multiple trips here, we did manage to catch wild boars and plenty of cheeky macaques.
May our videos be a form of escapism and source of zen for you, and encourage you to appreciate the little, simple things in life. Even in these turbulent times, there is still much beauty in this world if we keep our hearts and minds open.
Cheers!
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array of array to array 在 Doctor KONAN / 木南 Youtube 的最佳貼文
海外で話題のスマホ版 大乱闘スマッシュブラザースと言われているゲームです。現在開発中で早期アクセスのステージ。
ダウンロード
https://www.tap.io/app/211926
Flash Party is a Platform Fighting game featuring vibrant characters to battle your friends with. Jump, dodge and deflect incoming attacks and unleash an array of fighting moves on your opponents. Deliver the smackdown by knocking them off the arena floor using your best combo!
Choose from 6 unique heroes, with more heroes to be added to the game in continuous updates. Master the distinct fighting arts of each hero and find the one that suits your own play style.
◆Doctor KONAN / 木南 チャンネル登録お願いします。
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https://twitter.com/Doctor_KONAN
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http://doctorkonan.blogspot.jp/
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自己紹介
こんにちは。ガジェット系のレビューを中心に、パソコン、スマートフォン関係の動画を上げています。
できるかぎり、毎日動画を作っていく予定です。
ヒーローショーやエンタメ系の動画もアップします。
楽しいことは、みんなでシェアしたいと思います。
撮影機材
端末:RedMagic 5G Nuvia
マイク:Steinberg UR12 XM8500
カメラ:CANON Ivis HF G20 SONY α6400
<使用したスマートフォン>
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RedMagic 5G specs: https://redmagic.gg/pages/red-magic-5g
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array of array to array 在 Shiney Youtube 的最佳貼文
KINGDOM HEARTS III + Re Mind (DLC)
ซื้อเกมได้ที่ https://store.epicgames.com/legendauser/kingdom-hearts-iii
Sora is joined by Donald Duck and Goofy, two emissaries sent by King Mickey from Disney Castle, to stop an evil force known as the Heartless from invading and overtaking the universe. Through the power of positivity and friendship, Sora, Donald and Goofy unite with iconic Disney-Pixar characters old and new to prevail tremendous challenges and persevere against the darkness threatening their worlds.
Also includes Re Mind - the other tale that unfolded during the climax of KINGDOM HEARTS III. In this additional chapter, Sora travels to the Keyblade Graveyard determined to rescue Kairi and discovers truths that he never before imagined.
KINGDOM HEARTS III + Re Mind (DLC) tells the power of friendship as Sora and his friends embark on a perilous adventure. Set in a vast array of Disney worlds, KINGDOM HEARTS follows the journey of Sora, a young boy and unknowing heir to a spectacular power.

array of array to array 在 Learn JavaScript Multidimensional Array By Examples 的推薦與評價
JavaScript doesn't provide the multidimensional array.This tutorial shows you how to create a JavaScript multidimensional array by using an array of arrays. ... <看更多>
array of array to array 在 The Basics of NumPy Arrays | Python Data Science Handbook 的推薦與評價
This section will present several examples of using NumPy array manipulation to access data and subarrays, and to split, reshape, and join the arrays. While the ... ... <看更多>
array of array to array 在 Merge/flatten an array of arrays - Stack Overflow 的推薦與評價
... <看更多>
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