ashutoshkrris

Property	state Parameter	PKCE (code_verifier)
Primary Threat	Login CSRF: An attacker tricks a victim into completing an OAuth flow using the attacker's authorization code.	Code Interception: An attacker steals a victim's authorization code and exchanges it for a token.
How It Protects	Binds the authorization callback to the user's specific browser session.	Proves that the entity exchanging the code is the same entity that requested it.
Validation Point	Checked by the Client Application Backend upon

ashutoshkrris

Feature	Access Token	Refresh Token
Primary Purpose	Used to access protected APIs	Used to obtain new access tokens
Lifetime	Very short (15 minutes to 1 hour)	Long-lived (days, months, or until revoked)
Sent Where?	Sent with every API call to the Resource Server	Sent only to the Authorization Server's token endpoint
Storage Security	Can be kept in temporary server memory	Must be stored encrypted in secure storage

ashutoshkrris

Architectural Property	GET	POST	QUERY
Request Body Allowed	No (Undefined Semantics)	Yes	Yes
Safe (Read-Only)	Yes	Potentially No	Yes
Idempotent (Safe to Retry)	Yes	Potentially No	Yes
Default Cacheable	Yes	No (Only future GET/HEAD)	Yes (Requires Body-Aware Keying)
Data Payload Location	URL Query String	Request Body	Request Body
Primary Use Case	Simple, short resource reads	Resour

ashutoshkrris

Feature	@Value	@ConfigurationProperties
Best for	Single values	Grouped or structured properties
Type safety	Limited	Strong (binds directly to fields)
Supports validation	No	Yes
Preferred for large configs	❌	✅

ashutoshkrris

Priority	Source	Example / Notes
1	Command-line arguments	e.g. --my.property=value when running the application
2	Java System properties	e.g. -Dmy.property=value
3	OS environment variables	e.g. export MY_PROPERTY=value
4	Application properties or YAML files	Located in src/main/resources/application.properties or .yml
5	Profile-specific configuration files	e.g. application-dev.properties when spring.profiles.active=dev
6	External configuration files	Files located in a /config directory outside the packaged JAR
7	JNDI attributes	Used in servlet containers or enterprise environments

ashutoshkrris

• Using this script, you can download all the videos from a YouTube Playlist in all supported resolutions (including 1080p and 2160p).
• Enter the playlist url and the resolution you wish to download.
• Install the required libraries: pytubefix, tqdm, tenacity
• Make sure you have ffmpeg setup on your machine. Check the tutorial for the setup guide.
• You can download the videos in the following resolutions: 144p, 240p, 360p, 480p, 720p, 1080p, 1440p, 2160p
• Check the video for available resolutions.

ashutoshkrris

import csv
import json
from bs4 import BeautifulSoup
from selenium import webdriver


BROWSER = webdriver.Chrome(executable_path="chromedriver.exe")
TOTAL_PERSONS = 100

ashutoshkrris

import json

def write_to_json(data: dict) -> None:
    data_list = []
    for i in range(TOTAL_PERSONS):
        temp = {
            "Rank": data["ranks"][i],
            "Name": data["names"][i],
            "Link": f"https://www.bloomberg.com/billionaires/{data['links'][i]}",
            "Total net worth($)": data["worths"][i],

ashutoshkrris

import csv

def write_to_csv(data: dict) -> None:
    columns = ['Rank', 'Name', 'Link',
               'Total net worth($)', '$ Last change', '$ YTD change', 'Country/Region', 'Industry']
    with open(f"top-{TOTAL_PERSONS}-persons.csv", "w", newline="") as csv_file:
        writer = csv.DictWriter(csv_file, fieldnames=columns)
        writer.writeheader()
        for i in range(TOTAL_PERSONS):
            temp = {

ashutoshkrris

import csv
import json
from bs4 import BeautifulSoup
from selenium import webdriver


BROWSER = webdriver.Chrome(executable_path="chromedriver.exe")
TOTAL_PERSONS = 100