網頁爬蟲合法嗎？

這是一個資料驅動的世界。採購和消費外部資料是許多企業的需要。不僅如此，利用公開可用的資料是許多企業生存和削弱競爭的唯一途徑。

雖然網頁爬蟲是解鎖網路資料的關鍵，但在 Web 爬蟲的合法性和道德性方面存在很多困惑和迷思。這篇文章旨在解決這些問題，並使這一主題更加清晰。它還介紹了你應該遵循的最佳做法，以及你應該尊重的法律和道德底線，以便在保持安全和合法的情況下，從網頁爬蟲中獲得最佳效果。

網頁爬蟲相關線上課程可參考 https://softnshare.com/tag/python-webscrap/

https://www.crawlnow.com/blog/is-web-scraping-legal

課程特價中

什麼是網頁爬蟲？

假設你的老闆給了你一個任務，他希望你從一個網站上提取大約 1000 個產品，將資料結構化並儲存到資料庫中，你會手動複製貼上所有的產品細節，包括產品名稱、網址和價格？我可以想像你會工作幾天幾夜，但你不會完成這個任務，所以這就是網頁爬蟲的優勢。因此，網頁爬蟲，或網頁採集或網頁資料提取就像寫一個指令碼，可以在幾分鐘內自動從網站上提取資料！。

為什麼是 LXML 而不是 BeautifulSoup？

LXML 是一個輕量級的 HTML 解析器，即使是最流行的網頁抓取框架（Scrapy）也是建立在LXML之上的，BeautifulSoup 在開放給我們的功能數量上有點過剩，它有更多的功能可以使用，是的，沒錯 然而，在Web Scraping中，大多數時候我們使用 XPath 和 CSS 選擇器來瀏覽和選擇要從HTML網頁（樹）中爬取的內容，所以沒有必要學習新的功能，也沒有必要浪費那麼多時間來熟悉 BeautifulSoup 的 API 和內部架構，此外，LXML在效能方面也比BeautifulSoup好得多。

https://softnshare.com/web-scraping-with-python-using-requests-lxml-splash/

課程特價中

什麼是網頁爬蟲？

假設你的老闆給了你一個任務，他希望你從一個網站上提取大約 1000 個產品，將資料結構化並儲存到資料庫中，你會手動複製貼上所有的產品細節，包括產品名稱、網址和價格？我可以想像你會工作幾天幾夜，但你不會完成這個任務，所以這就是網頁爬蟲的優勢。因此，網頁爬蟲，或網頁採集或網頁資料提取就像寫一個指令碼，可以在幾分鐘內自動從網站上提取資料！。

為什麼是 LXML 而不是 BeautifulSoup？

LXML 是一個輕量級的 HTML 解析器，即使是最流行的網頁抓取框架（Scrapy）也是建立在LXML之上的，BeautifulSoup 在開放給我們的功能數量上有點過剩，它有更多的功能可以使用，是的，沒錯 然而，在Web Scraping中，大多數時候我們使用 XPath 和 CSS 選擇器來瀏覽和選擇要從HTML網頁（樹）中爬取的內容，所以沒有必要學習新的功能，也沒有必要浪費那麼多時間來熟悉 BeautifulSoup 的 API 和內部架構，此外，LXML在效能方面也比BeautifulSoup好得多。

https://softnshare.com/web-scraping-with-python-using-requests-lxml-splash/

Hello friends! Today we're going to share with you how to make New York Levain Bakery style chocolate chip walnut cookies.

Chocolate chip cookies are a timeless classic, an unparalleled snack. No one can resist the comfort of a chocolate chip cookie. Like many of you, we’ve searched far for the perfect chocolate chip cookie recipe. And finally we’re so happy to find a perfect one. It's a copycat version of a very famous New York City bakery “Levain Bakery”. But the taste is amazing, and the size is really big, 6 oz each, but we modify the size to 4 oz each, the size is perfect.

Levain bakery style chocolate chip cookies are really delicious, they are golden brown on the outside, and soft gooey and rich center inside. It’s super simple to make and tastes perfect every time. if you love walnuts and chocolate, then this is a cookie for you. Hopefully you guys will like it.  

📍 Please follow me on Instagram: https://www.instagram.com/sweetdumplingofficial/
📍 Welcome to follow me on FB: https://www.facebook.com/sweet.dumpling.studio
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How to make Levain Style Chocolate Chip Walnut Cookie
Here is the Levain Style Chocolate Chip Walnut Cookie Recipe

☞  Yields:  6 four-ounce cookies or 4 six-ounce cookies

✎ Ingredients
COLD unsalted butter  112g, cut into small cubes
granulated sugar 50g
brown sugar 75g
cake flour 70g
all-purpose flour 105g
large egg 1
baking powder 2g
baking soda 2g
salt 2g
walnut 82g
64% chocolate chip 150g

✎ Instructions
1. Sift the cake flour, all-purpose flour, baking soda, baking powder together, and add in salt, mix well and set aside.
2. Break the walnuts into two equal parts with your fingers.
3. Beat the egg and set aside.
4. In a large mixing bowl, cream together cold cubed butter, brown sugar, granulated sugar and egg on low speed and until mixed well.
5. Add all the dry ingredients in, including cake flour, all-purpose flour, baking soda, baking powder, beat on low speed until the wet and dry ingredients are all mixed together. Scraping down the sides of the bowl if necessary.
6. Simply fold in the chocolate chips and walnuts into the bowl, and mix until just combined to avoid over mixing.
7. For best results, refrigerate the dough for 15 minutes before forming the cookie dough. Cover plastic wrap to avoid dryness.
8. Divide the dough into 6 equal pieces about 4oz (113g) each. Roughly shape the cookie dough into loosely shaped balls.
9. Cover with plastic wrap and refrigerate the cookie doughs for 45 minutes.
10. Preheat the oven to 220°C, and bake for 12-14 minutes. Bake 3 cookies at one time.
11. Once baked. Let cool on the baking sheet for 30 minutes before serving.
-----------------------------------------------------------------------
Chapter:
00:00 opening
00:35 Ingredients
01:27 preparation
03:47 how to make cookie dough
07:14 cookie dough weight and shape
08:44 oven setting and baking
09:43 best ever chocolate chip cookies
-----------------------------------------------------------------------
#ChocolateChipCookie
#LevainBakery
#easyrecipes

Super Scales Scraping Skills/Bluefin Tuna/Marlin/Salmon in Taiwan
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【EddieCooking】香煎嫩滑三文魚配青豆薄荷醬及風琴焗薯 Pan Fried Salmon & Hasselback Potato

材料 Ingredients

一人份量 One serving

香煎嫩滑三文魚配青豆薄荷醬 Pan Fried Salmon on Minted Peas
三文魚排 300g Salmon fillet
青豆 200g Green peas
新鮮薄荷葉 Fresh mint leaves
無鹽牛油 45g Unsalted butter
芥花籽油 Canola Oil
鹽 Salt

檸檬酸豆牛油 Lemon Caper butter
酸豆 3 茶匙 3 tablespoon Capers
無鹽牛油 25g Unsalted butter
檸檬 1/2 Lemon
鹽 Salt

風琴焗薯 Hasselback Potato
薯仔 1 Potato
百里香 Thyme
橄欖油 Olive Oil
鹽 Salt


風琴焗薯 Hasselback Potato
1. 焗爐預熱185度。
Preheat over to 185c.
2. 將薯仔切成風琴狀，每層約2mm厚。底部預留1.5cm，不要切斷。
Slice the potato the same way as the video, about 2mm between each cut. Do not cut to the bottom, about 1.5cm from the bottom usually works well.
3. 薯仔放置焗盆上，淋上適量橄欖油。加份鹽調味後，放入焗爐。
Place the potato on a baking tray, drizzle a good amount of olive oil on the potato. Sprinkle some salt and place in oven.
4. 185度焗60分鐘至金黃色。
Bake 60mins until the potato is crispy on the edges.
5. 焗好後放上新鮮百里香。
Add some fresh thyme to the potato before eating.


青豆薄荷醬 Minted Peas Sauce
1. 青豆加入講量鹽煮熟後，瀝乾及放入攪拌機。
Boil some frozen peas in salted water. Remove from water and put into a blender.
2. 加入薄荷葉、牛油及適量鹽。攪拌至蓉狀。
Add mint leaves, butter and salt, blend.


檸檬酸豆牛油 Lemon Caper butter
1. 加熱平底鑊。檸檬切半後，放至熱鑊上，煎至表面呈焦糖色。
Cut half a lemon and place it on a hot pan until it is slightly caramelized.
2. 牛油放入另一平底鍋內。
Add butter into a saucepan.
3. 酸豆搾乾水份，加入平底鍋內。煮一分鐘後放置。
Squeeze the water from the capers and add into butter, set aside after about 1min of cooking.


香煎嫩滑三文魚 Pan Fried Salmon
1. 三文魚排清洗乾淨及抹乾，放置室溫。
Clean and dry the piece of salmon fillet and make sure it is at room temperature before you start cooking it.
2. 熱平底鑊加入芥花籽油。
Heat pan and add Canola oil.
3. 芥花籽油加熱後，放入三文魚排，魚皮一面朝下。
When the oil is very hot, place salmon skin side down.
4. 灑上鹽調味。
You can salt the salmon now.
5. 煎約2分鐘後反面。
Flip over after about 2mins.
6. 魚皮面灑上適量鹽調味。將熱油淋上魚皮面，繼續煎香。
Salt the skin side and spoon hot oil over the fish and keep cooking.
7. 煎約3分鐘後，盛起三文魚排，放置。
Total cooking time is usually around 5mins. Set fish aside once done.
8. 將三文魚放於青豆醬上。淋上酸豆牛油及擠檸檬汁。
Add minted peas to plate, place salmon fillet on top, spoon on the capers and butter mixture. Add a squeeze of the lemon.


Notes from Eddie:

1. Make sure the salmon fillet is in room temperature before you start cooking. I would bring out the fish about an hour before I start cooking.
2. Make sure the fillet is quite dry before you cook. Use a knife to scrape off any excess moisture from the skin.
3. You can use fresh peas if you can find, but frozen one is also fine.
4. Use Canola oil for panfrying salmon fillet. It is better for the recipe as the oil has a higher burning point.
5. While frying the fish, I usually lift the fish to check the skin, you want it to turn golden brown.

關於此食譜 About:
This is one of my favourite ways to eat Salmon. I also like it because it’s quite simple to make. Try your best to buy some good quality salmon, my favourite is King Salmon from New Zealand. My favourite part of the salmon is the belly so make sure you get a piece that includes some belly parts. The most important part of this salmon is making sure that its quite dry before you cook. There is a lot of moisture in the skin and I find the best way is to scrape it off with a knife. Keep scraping till no more moisture comes off the skin of the fish. Dry the other side with some kitchen towel. I prefer not to salt the fish until I cook it as more moisture will come off the fish if you salt it too early.


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