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feat: use the tip admonition for exercise hints (#1887)
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‎sources/academy/webscraping/scraping_basics_javascript2/01_devtools_inspecting.md‎

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@@ -144,7 +144,13 @@ We're not here for playing around with elements, though—we want to create a sc
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### Find FIFA logo
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Open the [FIFA website](https://www.fifa.com/) and use the DevTools to figure out the URL of FIFA's logo image file. Hint: You're looking for an [`img`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img) element with a `src` attribute.
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Open the [FIFA website](https://www.fifa.com/) and use the DevTools to figure out the URL of FIFA's logo image file.
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:::tip Need a nudge?
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You're looking for an [`img`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img) element with a `src` attribute.
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:::
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<details>
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<summary>Solution</summary>

‎sources/academy/webscraping/scraping_basics_javascript2/02_devtools_locating_elements.md‎

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@@ -188,7 +188,11 @@ Go to Shein's [Jewelry & Accessories](https://shein.com/RecommendSelection/Jewel
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Go to Guardian's [page about F1](https://www.theguardian.com/sport/formulaone). Use the **Console** to find all HTML elements representing the articles.
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Hint: Learn about the [descendant combinator](https://developer.mozilla.org/en-US/docs/Web/CSS/Descendant_combinator).
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:::tip Need a nudge?
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Learn about the [descendant combinator](https://developer.mozilla.org/en-US/docs/Web/CSS/Descendant_combinator).
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:::
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![Articles on Guardian's page about F1](./images/devtools-exercise-guardian1.png)
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‎sources/academy/webscraping/scraping_basics_javascript2/06_locating_elements.md‎

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@@ -273,11 +273,17 @@ Djibouti
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### Use CSS selectors to their max
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Simplify the code from previous exercise. Use a single for loop and a single CSS selector. You may want to check out the following pages:
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Simplify the code from previous exercise. Use a single for loop and a single CSS selector.
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:::tip Need a nudge?
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You may want to check out the following pages:
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- [Descendant combinator](https://developer.mozilla.org/en-US/docs/Web/CSS/Descendant_combinator)
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- [`:nth-child()` pseudo-class](https://developer.mozilla.org/en-US/docs/Web/CSS/:nth-child)
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:::
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<details>
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<summary>Solution</summary>
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‎sources/academy/webscraping/scraping_basics_javascript2/07_extracting_data.md‎

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@@ -349,13 +349,15 @@ Hamilton reveals distress over ‘devastating’ groundhog accident at Canadian
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...
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```
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Hints:
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:::tip Need a nudge?
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- HTML's `time` element can have an attribute `datetime`, which [contains data in a machine-readable format](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/time), such as the ISO 8601.
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- Cheerio gives you [.attr()](https://cheerio.js.org/docs/api/classes/Cheerio#attr) to access attributes.
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- In JavaScript you can use an ISO 8601 string to create a [`Date`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date) object.
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- To get the date, you can call `.toDateString()` on `Date` objects.
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:::
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<details>
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<summary>Solution</summary>
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‎sources/academy/webscraping/scraping_basics_javascript2/10_crawling.md‎

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@@ -226,7 +226,11 @@ https://en.wikipedia.org/wiki/Cameroon +237
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```
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Hint: Locating cells in tables is sometimes easier if you know how to [filter](https://cheerio.js.org/docs/api/classes/Cheerio#filter) or [navigate up](https://cheerio.js.org/docs/api/classes/Cheerio#parent) in the HTML element tree.
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:::tip Need a nudge?
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Locating cells in tables is sometimes easier if you know how to [filter](https://cheerio.js.org/docs/api/classes/Cheerio#filter) or [navigate up](https://cheerio.js.org/docs/api/classes/Cheerio#parent) in the HTML element tree.
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:::
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<details>
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<summary>Solution</summary>
@@ -290,11 +294,13 @@ PA Media: Lewis Hamilton reveals lifelong battle with depression after school bu
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...
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```
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Hints:
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:::tip Need a nudge?
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- You can use [attribute selectors](https://developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors) to select HTML elements based on their attribute values.
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- Sometimes a person authors the article, but other times it's contributed by a news agency.
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:::
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<details>
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<summary>Solution</summary>
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‎sources/academy/webscraping/scraping_basics_javascript2/12_framework.md‎

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@@ -410,11 +410,13 @@ If you export the dataset as JSON, it should look something like this:
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]
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```
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Hints:
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:::tip Need a nudge?
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- The website uses `DD/MM/YYYY` format for the date of birth. You'll need to change the format to the ISO 8601 standard with dashes: `YYYY-MM-DD`
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- To locate the Instagram URL, use the attribute selector `a[href*='instagram']`. Learn more about attribute selectors in the [MDN docs](https://developer.mozilla.org/en-US/docs/Web/CSS/Attribute_selectors).
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:::
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<details>
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<summary>Solution</summary>
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@@ -503,8 +505,12 @@ async requestHandler({ ..., addRequests }) {
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},
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```
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:::tip Need a nudge?
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When navigating to the first IMDb search result, you might find it helpful to know that `enqueueLinks()` accepts a `limit` option, letting you specify the max number of HTTP requests to enqueue.
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:::
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<details>
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<summary>Solution</summary>
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‎sources/academy/webscraping/scraping_basics_python/01_devtools_inspecting.md‎

Lines changed: 7 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -143,7 +143,13 @@ We're not here for playing around with elements, though—we want to create a sc
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### Find FIFA logo
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Open the [FIFA website](https://www.fifa.com/) and use the DevTools to figure out the URL of FIFA's logo image file. Hint: You're looking for an [`img`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img) element with a `src` attribute.
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Open the [FIFA website](https://www.fifa.com/) and use the DevTools to figure out the URL of FIFA's logo image file.
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:::tip Need a nudge?
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You're looking for an [`img`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/img) element with a `src` attribute.
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:::
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<details>
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<summary>Solution</summary>

‎sources/academy/webscraping/scraping_basics_python/02_devtools_locating_elements.md‎

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Original file line numberDiff line numberDiff line change
@@ -189,7 +189,11 @@ Go to Shein's [Jewelry & Accessories](https://shein.com/RecommendSelection/Jewel
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Go to Guardian's [page about F1](https://www.theguardian.com/sport/formulaone). Use the **Console** to find all HTML elements representing the articles.
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Hint: Learn about the [descendant combinator](https://developer.mozilla.org/en-US/docs/Web/CSS/Descendant_combinator).
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:::tip Need a nudge?
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Learn about the [descendant combinator](https://developer.mozilla.org/en-US/docs/Web/CSS/Descendant_combinator).
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:::
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![Articles on Guardian's page about F1](./images/devtools-exercise-guardian1.png)
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‎sources/academy/webscraping/scraping_basics_python/06_locating_elements.md‎

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@@ -270,11 +270,17 @@ Djibouti
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### Use CSS selectors to their max
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Simplify the code from previous exercise. Use a single for loop and a single CSS selector. You may want to check out the following pages:
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Simplify the code from previous exercise. Use a single for loop and a single CSS selector.
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:::tip Need a nudge?
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You may want to check out the following pages:
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- [Descendant combinator](https://developer.mozilla.org/en-US/docs/Web/CSS/Descendant_combinator)
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- [`:nth-child()` pseudo-class](https://developer.mozilla.org/en-US/docs/Web/CSS/:nth-child)
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:::
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<details>
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<summary>Solution</summary>
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‎sources/academy/webscraping/scraping_basics_python/07_extracting_data.md‎

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@@ -326,13 +326,15 @@ Hamilton reveals distress over ‘devastating’ groundhog accident at Canadian
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...
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```
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Hints:
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:::tip Need a nudge?
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- HTML's `time` element can have an attribute `datetime`, which [contains data in a machine-readable format](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/time), such as the ISO 8601.
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- Beautiful Soup gives you [access to attributes as if they were dictionary keys](https://beautiful-soup-4.readthedocs.io/en/latest/#attributes).
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- In Python you can create `datetime` objects using `datetime.fromisoformat()`, a [built-in method for parsing ISO 8601 strings](https://docs.python.org/3/library/datetime.html#datetime.datetime.fromisoformat).
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- To get the date, you can call `.strftime('%a %b %d %Y')` on `datetime` objects.
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:::
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<details>
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<summary>Solution</summary>
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