These new James Bond teasers and Daniel Craig interview clips have recently made me hanker for martinis.
The Colombian Ortodoxy Gin makes a damn good one. With its citrusy notes from the limon mandarino (a native colombian fruit) mixed with berries spices and peels - it is a yummy refreshing gin. What makes it more interesting is that it is aged in ex-rum barrels.
This gin was actually created for personal use for the The Dictador rum former president who also loved gin. At 43% abv it retails at Rm280. Check it out at Single and Available Whisky Shop and don't say I #bojio
#angeltini #angeltinimy
同時也有143部Youtube影片,追蹤數超過92萬的網紅ochikeron,也在其Youtube影片中提到,Crispy outside soft inside. Addictive bite-size pieces 😋 Great recipe to use up potatoes! Tater tots are grated potatoes formed into small cylinders ...
「damn good」的推薦目錄:
damn good 在 Taipei Ethereum Meetup Facebook 的精選貼文
📜 [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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damn good 在 smashpOp Facebook 的最佳解答
Is this a phone or luggage?
The #RealmeGTMasterEdition looks damn good! 😍
Apa pendapat anda?
damn good 在 ochikeron Youtube 的最讚貼文
Crispy outside soft inside. Addictive bite-size pieces 😋
Great recipe to use up potatoes!
Tater tots are grated potatoes formed into small cylinders and deep-fried, trademarked by American frozen food company Ore-Ida.
Deep-fried leftover scraps and small potatoes without breading or batter are good, too!
My son and I've been to potato digging and got some potatoes again this year 👍
2018 https://youtu.be/ri4P8KMQJBI
2019 https://youtu.be/tqHZmHY4i5I
2020 https://youtu.be/y6R5f_p3iBs
---------------------------------
EASY Tater Tots Recipe
Difficulty: Very Easy
Time: 20min
Number of servings: 4
Ingredients:
600g (1.3oz.) potatoes
2/3 tsp. salt
pepper
1 tbsp. flour
deep frying oil
Directions:
1. Wash and peel potatoes. Place them in a microwavable dish, cover, and microwave on medium (600w) for 5 minutes, until slightly heated (not cooked through). Undercooked potatoes are easy to shred.
2. Using a shredder, shred the potatoes.
3. Season with salt and pepper, and mix in flour.
4. Wrap in plastic wrap to flatten the potatoes. Then cut it into small pieces, nicely shape them into cylinders about an inch long.
5. Deep fry in oil at 180C (350F) until crisp golden brown on the outside.
↓レシピ(日本語)
https://cooklabo.blogspot.com/2021/07/Tater-Tots.html
---------------------------------
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Follow me on social media. If you have recreated any of my food, you can share some pictures #ochikeron. I am always happy to see them.
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damn good 在 Gina music Youtube 的精選貼文
Don't forget to turn on the bell icon for future uploads 🔔✔️
西洋音樂愛好者✨這裡不會有冗長的介紹文卻是個讓你挖歌的好地方😎
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Lyrics:
So
所以
Some say you can't get hurt by
有人曾說過 你不會被
What you don't know
你所不知道的東西傷害
That's when you and I hurt each other the most
傷人最深的反而是你我之間的感情
We bring the worst out of each other
我們迎來了最糟糕的情況
And I'm so tired waiting for destruction
我已經厭倦了暴風雨之前的冷戰
Every hour makes it harder
每一分每一秒都是如此難熬
We can't take this any further
我們不能再繼續這樣下去了
And I'm so tired waiting for destruction
我已經厭倦了暴風雨之前的冷戰
Yesterday
昨天
Ended it yesterday
昨天已然過去
So we could stay friends
我們仍然還是朋友
Til today
直到今天過後
Now we fucked up real great
我們之間結束的如此徹底
I don't want to do this no more
我不想再繼續這段感情了
Usually I never slam doors
通常我不會這麼乾脆離去
Nanana this can't wait
但我已不能再忍受了
Now we fucked up real great
我們結束的如此徹底
Wish we ended it yesterday
希望明天我們都能有個新的開始
So
所以
When life goes up and then down
生活總是伴隨著起起落落
Like you and I know
這一點你我早知道了
We had it so good in start but now we're just ghosts
一開始我們做得很好 現在我們卻搞砸了
Faded pictures and I’m just god damn tired being so nostalgic
這些褪色的照片讓我對往事感到厭倦
Every hour makes it harder
每一分每一秒都是如此難熬
We can't take this any further
我們不能再繼續這樣下去了
And I'm so tired waiting for destruction
我已經厭倦了暴風雨之前的冷戰
Yesterday
昨天
Ended it yesterday
昨天已然過去
So we could stay friends
我們仍然還是朋友
Til today
直到今天過後
Now we fucked up real great
我們之間結束的如此徹底
I don't want to do this no more
我不想再繼續這段感情了
Usually I never slam doors
通常我不會這麼乾脆離去
Nanana this can't wait
但我已不能再忍受了
Now we fucked up real great
我們結束的如此徹底
Wish we ended it yesterday
希望明天我們都能有個新的開始
Yesterday
往事已去
Yesterday
往事已去
Wish we ended it yesterday
希望明天我們都能有個新的開始
歌詞翻譯: Ginko
#Yesterday #VirginiaToVegas #Lyrics #西洋歌曲推薦 #英文歌
damn good 在 AnDyWuMUSICLAND Youtube 的最讚貼文
I've lost my mind... like a damn sociopath
#SOUR
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I am AnDy Wu, addict to edit. I make Mashup, Remix & Megamix video when I'm inspired by every talented artist, and continue to create something inspiring.
damn good 在 Verb Master - 【一天精通一單字】Damn 的推薦與評價
Damn! Good. Damn good. (他媽的!我是說他媽的讚- 小蟻雄兵1999). ... <看更多>