Healthy Jelly Snack Promo 😍😋
Since we stay home often nowadays, we tend to snack more! That’s why we need to go for healthy-choices! My favourite snack choice is “Beauty+Red Ginseng Jelly” from @ssunsu_sg 😍😋👍It’s good for our skin,energy and immunity!!! And it taste good 😊
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👉https://tinyurl.com/ssunsujellyapple20
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🎉Price of The Special Bundle deal
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1 for $59.90
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#healthy #healthychoices #goodskin #immunity #korean #redginseng #hyaluronicacid
同時也有49部Youtube影片,追蹤數超過1,240的網紅山水畫家的藝術Taiwan Artist World,也在其Youtube影片中提到,#桃園#青埔#書法公園 大園區橫山書法公園暨書法藝術館,位於青埔地區「5-8號陂塘公園」的東北角,大成路二段與大仁路交接處,館區面積約27701平方公尺,為地下1層、地上2層建築物,總樓地板面積2991平方公尺,為台灣第一座由官方經營,以書法藝術為主題的美術館,亦以向民眾收費參觀方式維持營運。 ...
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- 關於two boxes 在 Taipei Ethereum Meetup Facebook 的最佳貼文
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- 關於two boxes 在 mapleLIFE Youtube 的精選貼文
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two boxes 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.
👏 歡迎轉載分享鼓掌
two boxes 在 Explore_HongKong Facebook 的最讚貼文
We used to go to different places to get lanterns, Mooncakes and fruits the weekend before the Mid-Autumn festival but for this year…. It is full of people every where 🙃🙃🙃 so I decided to stay at home… The number of people you see is beyond your imagination 🤓
Every year we go to Yuen Long for Mooncakes. There are a few traditional bakeries there - Hang Heung 恆香,Wing Wah 榮華. These two are our favourite.
Another one is Tai Tung Bakery 大同老餅家, a 70-year-old bakery.
In the 60s, bakeries built large signboards outside the shop to welcome Mid-Autumn festival. As time passes, Tai Tung Bakery becomes the only bakery that still decorates its store with handpaint signboard.
Mooncakes in Tai Tung are relatively more expensive than the other two big bakeries in Yuen Long.
Tai Tung bakery is one the very few restaurants that still offer Mooncake loyalty programme 供月餅會. Mid Autumn Festival is a very important festival for Hong Kong people in the past. People in the past can hardly afford to buy so many boxes of mooncakes for family and friends. So, they saved money one YEAR in advance! Cake shops introduced 月餅會 Mooncake loyalty programme that people paid the cake shop every month and their loyalty booklet will be stamped. To encourage you to join the loyalty programme, the cake shop will give you boxes of tea or dried sausages during lunar New Year.
Address: 57 Fau Tsoi Street, Yuen Long 元朗阜財街57號
#explorehongkong_festival
#explorehongkong_中秋節
#hk #hkig #🇭🇰 #香港 #travel #travelhk #travelideas #traveltips #traveller #local #localhk #follow #followme #discoverhongkong #hongkong #hkstyle #travelgram #travellingram #locallife #hkblogger #blogger #travelblogger #traveltheworld #explore #discover #mooncake #bakery #大同餅家
two boxes 在 山水畫家的藝術Taiwan Artist World Youtube 的最讚貼文
#桃園#青埔#書法公園
大園區橫山書法公園暨書法藝術館,位於青埔地區「5-8號陂塘公園」的東北角,大成路二段與大仁路交接處,館區面積約27701平方公尺,為地下1層、地上2層建築物,總樓地板面積2991平方公尺,為台灣第一座由官方經營,以書法藝術為主題的美術館,亦以向民眾收費參觀方式維持營運。
書法藝術館由建築師潘天壹設計,以公園為「硯台」、陂塘為「墨池」的意象發想,將建築外觀以書法篆刻之山型硯石為主體來組構。
基地由左至右以5個方盒子組成,包括展覽空間、館藏空間、教育推廣空間、商業空間、戶外展演場、行政空間及服務性空間等。
初步規劃除定期展出臺灣及國際書法篆刻名家作品外,亦兼具研究調查台灣書法歷史及向大眾推廣之功能,以呈現臺灣豐沛的書畫藝術創作能量。另為深化在地特色,部份展區規劃為大園尖山遺址展示區。
其他空間規劃為文創空間,預計以OT方式委外經營,讓民眾在欣賞文化藝術展覽及館區獨特的陂塘自然美景之餘,能將藝術帶入生活之中,體驗書藝生活美學。
完工後將結合青塘園旁的桃園市立美術館形成藝文廊帶,成為桃園地區休閒新景點和藝文新地標。
書法藝術館為2017年9月開工,預計2019年9月竣工,但由於諸多問題尚待解決,經桃園文化局追加預算改善後,力拼2021年秋季開館。
Dayuan Hengshan Calligraphy Park and Calligraphy Art Museum is located at the northeast corner of "No. 5-8 Pitang Park" in Qingpu District, at the junction of Section 2 of Dacheng Road and Daren Road. The area of the museum area is about 27,701 square meters, and it is 1 underground level. , A two-story building on the ground with a total floor area of 2991 square meters. It is Taiwan’s first officially operated art museum with the theme of calligraphy. It also maintains operations by charging the public for visits.
The Calligraphy Art Museum was designed by the architect Pan Tianyi. The park is the "inkstone" and the Pitang is the "inkstone".
The base consists of 5 square boxes from left to right, including exhibition space, collection space, education promotion space, commercial space, outdoor exhibition space, administrative space and service space.
In addition to regularly exhibiting works by famous Taiwanese and international calligraphy and seal carving masters, the preliminary plan also has the function of researching and investigating the history of Taiwan's calligraphy and promoting it to the public, so as to show Taiwan's abundant calligraphy and calligraphy artistic creation energy. In order to deepen the local characteristics, part of the exhibition area is planned as the Dayuan Jianshan Site Exhibition Area.
The other space is planned as a cultural and creative space, which is expected to be outsourced in OT mode, so that the public can bring art into life and experience the aesthetics of calligraphy and life while enjoying cultural and art exhibitions and the unique natural beauty of Pitang in the museum area.
After completion, it will be combined with the Taoyuan Municipal Art Museum next to Qingtang Garden to form an art gallery belt, which will become a new leisure attraction and a new art and cultural landmark in the Taoyuan area.
The calligraphy art museum started in September 2017 and is expected to be completed in September 2019. However, due to many issues that have yet to be resolved, the Taoyuan Cultural Bureau will strive to open the museum in the fall of 2021 after the additional budget has been improved.
►►►歡迎訂閱梁震明頻道:https://bit.ly/33R0bmf
►►►梁震明臉書粉絲頁:https://www.facebook.com/inkliang/
►►►梁震明痞客邦:http://tom20030208.pixnet.net/blog
►►►梁震明IG:https://www.instagram.com/liang_chenming_art/
【梁震明簡歷】
國立台北藝術大學美術創作研究所畢業。
曾任國立台南藝術大學藝術史系及東海大學美術學系講師。
個展12次,國內外聯展30餘次。
作品曾在香港蘇富比、羅芙奧及沐春堂拍賣成交。
著作「墨色的真相」與「台灣寺廟龍柱造型之研究」獲國立編譯館出版刊行。
現為羲之堂代理之專職水墨畫家。
「山水畫家的藝術」頻道推薦播放清單:
梁震明水墨作品賞析:https://youtube.com/playlist?list=PL5EQF72_a8UD9nXm38PQcabEIbffxyp-h
梁震明水墨創作介紹:https://youtube.com/playlist?list=PL5EQF72_a8UATfktfF0G6o3zCLipJvc-n
水墨藝術材料介紹:https://youtube.com/playlist?list=PL5EQF72_a8UDs1alttOymTOkXl3IhRW04
紓壓療癒輕音樂空拍影片:https://youtube.com/playlist?list=PL5EQF72_a8UCrrHknKxWuwRy8UIh6EnUQ
台灣海景空拍影片分享:https://youtube.com/playlist?list=PL5EQF72_a8UD471Ieo4YaalS5yvbDAIyu
4K畫質空拍影片分享:https://youtube.com/playlist?list=PL5EQF72_a8UD72YQD4vgRR9NaI-brI-4Q
桃園青埔特區記錄:https://youtube.com/playlist?list=PL5EQF72_a8UBSI3tWDXsgQUuzgKzRSGxY
新北景點空拍:https://youtube.com/playlist?list=PL5EQF72_a8UAfbQybqr__G4cLGrtVugsl
桃園景點空拍:https://youtube.com/playlist?list=PL5EQF72_a8UBweKa4jfWGZW39J9ASipD7
新竹景點空拍:https://youtube.com/playlist?list=PL5EQF72_a8UAk7e3AvAuU6IWQsbvn49e6
宜蘭景點空拍:https://youtube.com/playlist?list=PL5EQF72_a8UCnNCun9gC5UM3In0ztXDG_
#DJI #dronefootage #dronevideo #dronephotography #dronestagram #drones #fpv #djiglobal #photography #pro #aerialphotography #dronepilot #travel #nature #dronefly #fpvfreestyle #quadcopter #dronevideo
![post-title](https://i.ytimg.com/vi/8NP36GL4Y5s/hqdefault.jpg)
two boxes 在 mapleLIFE Youtube 的精選貼文
Hey Everyone!!!!! Here is two weeks worth of meal subscription boxes. Thanks for watching & supporting my Channel.
![post-title](https://i.ytimg.com/vi/paDoHHUdIjQ/hqdefault.jpg)
two boxes 在 MosoGourmet 妄想グルメ Youtube 的最讚貼文
I made a giant dorayaki made with Oreos. I made another giant one that was hard to eat. I regret it a little. I will cut it into pieces and eat it steadily with my family.
*recipe*
1.Spread melted unsalted butter on the mold and sprinkle a thin layer of bread flour.Keep it in the refrigerator.
2.Divide 3 boxes of Oreo (54 sheets) into cookies and cream.
3.Put the cookie from (2), 310g of milk and 230g of egg in a blender and mix until smooth.I divided it into two parts because it was a lot.
4.Transfer (3) to a bowl, add 15g of baking powder and mix.
5.Pour (4) into (1).
6.Lower the oven preheated to 180℃ to 170℃ and bake for 15 minutes.
7.After baking, remove from the mold.
8.Whip the cream from (2) with 110g of fresh cream.
9.Put (8) in (7).
10.Place in a tart dish and chill in the refrigerator until the cream and dough are familiar.
11.Done.“Once again, I have made a gigantic object.” ( like Goemon Ishikawa from Lupine III )
#GiantOreo #Dorayaki #Oreo #OddlySatisfying #Recipe #ASMR
オレオを使って作るジャイアントなどら焼き作りました。また食べるのが大変なジャイアントなものを作ってしまった。少し後悔。切り分けて家族で地道に食べます。
*レシピ*
1.溶かし無塩バターを型に塗り、強力粉を薄くはたいておく。冷蔵庫で冷やしておく。
2.オレオ 3箱(54枚)をクッキーとクリームに分ける。
3.ミキサーに(2)のクッキー、牛乳 310g、卵 230gを入れ滑らかになるまで混ぜる。量が多かったので2回に分けました。
4.(3)をボウルに移し、ベーキングパウダー 15gを入れ混ぜる。
5.(1)に流し入れる。
6.180℃に予熱したオーブンを170℃に下げ15分焼く。
7.焼き上がったら、型から取り出す。
8.(2)のクリームに生クリーム 110gを入れホイップする。
9.(7)に(8)を挟む。
10.タルト皿などに入れ、冷蔵庫でクリームと生地がなじむまで冷やす。
11.でけた。「また大きいものを作ってしまった。」(ルパン三世の石川五ェ門で)
![post-title](https://i.ytimg.com/vi/GrVFlmrMido/hqdefault.jpg)
two boxes 在 How to add two Boxes in a Box in GTK+ - Stack Overflow 的推薦與評價
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two boxes 在 How to align two boxes? - TeX - LaTeX Stack Exchange 的推薦與評價
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two boxes 在 Two Boxes - Home | Facebook 的推薦與評價
We're a local experienced Euro-style cabinet maker, working with all available modern materials. We... 18 jalan hilir, 41200 Klang, Selangor, Malaysia. ... <看更多>