A practical deep dive into DNS resolution, local resolver behavior, DDNS hijacks, DNS amplification, and cloud DNS timeout troubleshooting.

Welcome to our beginner-friendly guide to understanding the stock market! If you’re looking to start your trading journey, it’s essential to understand the basics of analyzing assets and making inf...

In this post, we’ll dive into some fundamental and advanced concepts in modern Machine Learning, particularly focusing on Large Language Models (LLMs). We’ll explore the core mechanics of attention...

This problem is a typical use case of double pointer in an array. Like in a sorted array, find two elements who sum to a target number. This problem asks for the multiplication. Actually I was thi...

For List related problem, we usually will not use the recursive way to solve it. For binary search tree, we might use it. In this blog, I just want to demonstrate that we can use recursive function...

In the world of data types, each type has its own range. Overflow can happen when you do math on them. For example if you add one to the largest positive int32 number, you will get an overflow erro...

In this blog, I will introduce how we can make vim work with a CMake Project. Background Hands on Notes Results Reference Background I was playing with cpp snippets today. I need to ...

Our online systems support PyTorch inference. It is very slow recently. Previously there were not so many jobs running, so the CPU usage was low, but the inference procedure finished quickly. B...

Most languages will have builtin data structures such as array(list) or dict(hashtable). Is it interesting that whether bash has similar choices? Dict/Hashtable Create and access ...

PyQt is a python package that can be used to develop GUI applications even complex applications. In this blog, we will develop a menubar note application and package it using pyinstaller. Final...