// Articles by Mostafa
Guide to Local LLMs
Discover the benefits of deploying Local LLMs, from enhanced privacy and reduced latency to tailored AI solutions.
Web Scraping and HTML Parsing with Jsoup and Java
Learn how to harness the power of jsoup, a lightweight and efficient Java library for web scraping and HTML parsing.
Comprehensive Guide to OkHttp for Java and Kotlin
Learn how to simplify network communication in Java and Android applications using OkHttp.
What is Error 1015 (Cloudflare) and How to Fix it?
Discover why you're seeing Cloudflare Error 1015 and learn effective ways to resolve and prevent it.
What HTTP Error 412 Precondition Failed and How to Fix it?
Quick look at HTTP status code 412 - what does it mean, its common causes, and how it can be prevented.
JSON vs XML: Key Differences and Modern Uses
JSON and XML are two major data formats encountered in web development — here's how they differ and which is one better for your u...
HTTP Error 503 Service Unavailable and How to Fix it?
Understand what causes HTTP 503 errors, when they might indicate blocking, and how to effectively mitigate them.
What is Charles Proxy and How to Use it?
Learn about of the most popular web debugging proxies — Charles Proxy and what it's capable.
Axios vs Fetch: Which HTTP Client to Choose in JS?
Explore the differences between Fetch and Axios - two essential HTTP clients in JavaScript - and discover which is best suited for...
What is HTTP 415 Error? (Unsupported Media Type)
Quick look at HTTP status code 415 — what does it mean and how can it be prevented and bypassed in scraping?
What is HTTP 422 Error? (Unprocessable Entity)
422 Unprocessable Entity error is usually caused by a semantically invalid request. Learn http error 422 causes and how to fix you...
What is HTTP 409 Error? (Conflict)
HTTP status code 409 generally means a conflict or mismatch with the server state. Learn why it happens and how to avoid it.