Stories from the Web Crawling trenches in Objective C

The Ultimate NSXMLParser Cheatsheet

Author: Mohan Ganesan

Date: Oct 31, 2023

NSXMLParser allows parsing XML documents in Objective-C. It provides SAX style event-driven parsing.

The Ultimate HTMLParser Cheatsheet

Author: Mohan Ganesan

Date: Oct 31, 2023

HTMLParser is an Objective-C wrapper for libxml2 that allows parsing HTML documents. It provides an event-driven interface like NSXMLParser.

Building a Simple Proxy Rotator with Objective-C

Author: Mohan Ganesan

Date: Oct 2, 2023

Fetch and parse proxies from free proxy pools to rotate and use in Objective-C projects, solving IP blocking problems with a rotating proxy service.

Scraping Business Listings from Yelp with Objective C

Author: Mohan Ganesan

Date: Dec 6, 2023

Scraping business listings from Yelp using Objective-C and proxies for data extraction.

Web Scraping with Objective-C & ChatGPT

Author: Mohan Ganesan

Date: Sep 25, 2023

Objective-C is a powerful language for web scraping on Apple platforms. ChatGPT is an AI assistant that provides explanations and code generation for scraping tasks.

Scraping Multiple Pages in Objective-C with NSURLSession and XPathQuery

Author: Mohan Ganesan

Date: Oct 15, 2023

Scrape multiple pages in Objective-C using NSURLSession and XPathQuery to extract data programmatically from websites.

Downloading Images from a Website with Objective-C and Ono

Author: Mohan Ganesan

Date: Oct 15, 2023

Learn how to use Objective-C and AFNetworking and Ono libraries to download images from a Wikipedia page and scrape data.

Scrape Any Website with OpenAI Function Calling in Objective-C

Author: Mohan Ganesan

Date: Sep 25, 2023

Web scraping with OpenAI allows for resilient data extraction from websites using Objective-C and function calling.

Scraping Wikipedia Tables in Objective-C for Beginners

Author: Mohan Ganesan

Date: Dec 6, 2023

Gathering data by scraping websites is made easy with just 34 lines of code in Objective-C using TFHpple library. Learn how to make HTTP requests, parse HTML content, extract data from a table, and clean and process the scraped content.

How to Build a Super Simple HTTP Proxy in Objective-C in Just 14 Lines of Code

Author: Mohan Ganesan

Date: Oct 1, 2023

Learn how to build a simple HTTP proxy in Objective-C using the Foundation framework and networking APIs.

Scraping Real Estate Listings From Realtor with Objective C

Author: Mohan Ganesan

Date: Jan 9, 2024

Web scraping code in Objective-C using NSXMLParser to extract real estate listing data from Realtor.com.

Scraping New York Times News Headlines with Objective-C

Author: Mohan Ganesan

Date: Dec 6, 2023

Web scraping is a valuable skill for extracting data from websites using Objective-C. This beginner-friendly guide walks you through the process of web scraping, from setting up the project to parsing HTML content. Learn how to simulate a browser request, send an HTTP GET request, handle errors, and extract the data you need. With the right techniques and tools, web scraping can be a powerful tool for data analysis and building web applications.

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