lecture_04.md

Lecture 4

---

🤪

---

Will troubleshooting

---

Browser Developer Tools

Showing Chrome, but it's similar in other browsers.

• Brief mention:
  • Elements (HTML) panel
    • View source
  • Lighthouse
  • Device mode
• Network panel

---

HTTP

---

Remember when we were working with APIs?

requests.get(url)

---

• Status codes
• Methods
• Headers

---

Flask example

Visit http://127.0.0.1:5000/echo.

---

cURL

curl -I http://127.0.0.1:5000/echo
curl -X POST http://127.0.0.1:5000/echo
curl -X POST -d "hello" http://127.0.0.1:5000/echo
curl -i http://127.0.0.1:5000/echo > response.txt

---

wget

Like cURL, but for downloading files.

---

Streamlit

---

Readings will be updated