Methods to Prevent Workpiece Adhesion to the Platform in 3D Printing Figure 1: Printing a solid model Figure 2: Printing layers (slicing results) Figure 3: Setting up the base pad When using the Aurora Evolve 3D printer and other mainstream 3D printers for model printing tasks, optimizing the platform adhesion scheme can significantly enhance the … Read more
Huge pages are a Linux kernel feature that allocates larger memory pages (typically 2 MB or 1 GB instead of the normal 4 KB). PostgreSQL’s shared buffer pool and dynamic shared memory segments are often tens of gigabytes, and using huge pages reduces the number of pages the processor must manage. Fewer page‑table entries mean … Read more
Linux Memory Leak Analysis In Linux system administration, a memory leak is a common performance issue that can lead to resource exhaustion, performance degradation, or crashes. A memory leak refers to memory allocated by a program that is not properly released, gradually accumulating and occupying memory. According to the official Valgrind report, memory leaks account … Read more
Over 68% of Python beginners get stuck on dictionaries for more than 3 weeks🤯 I have taught over 200 students, almost everyone says “dictionaries are simple”, but when it comes to coding, they crash. Don’t laugh, you might have done this too. Today, we won’t talk about basic syntax, but I’ll help you uncover those … Read more
Project Overview tsink is a high-performance embedded time series database engine written in Rust, focusing on efficient storage and retrieval of time series data. This project is open-source under the MIT license, featuring lightweight and high-performance characteristics, making it particularly suitable for applications that need to handle large amounts of time series data. Core Features … Read more
Cista is a C++ library focused on high-performance serialization and zero-copy deserialization, making it ideal for applications with stringent performance requirements. The library is designed with efficiency in mind and is easy to integrate into projects. The table below summarizes the main features of Cista for quick reference: Feature Category Details Core Features Serialization and … Read more
The Ultimate Guide to Linux File Systems: In-Depth Comparison of ext4, XFS, and Btrfs to Make You a Storage Expert Still struggling to choose which file system to use? As a seasoned operations engineer with years of experience, I will guide you through the mysteries of the three major Linux file systems in the most … Read more
Table of Contents 1. Why Learn Rust 2. Core Advantages of Rust 3. Main Application Scenarios 4. Relationship Between Rust and Other Languages 5. Recommended Learning Path Why Learn Rust Industry Trends • One of the Fastest Growing Programming Languages: Consistently ranked as the “most loved programming language” in the Stack Overflow Developer Survey for … Read more
The Python timer functions are powerful tools for monitoring code performance. This article will delve into several commonly used timer functions in Python and demonstrate how to use them to measure code execution time through examples. <span>time.perf_counter()</span>: High-Resolution Performance Counter <span>time.perf_counter()</span> function returns a value of a performance counter (in seconds) with the highest available … Read more
1. Liquidity has surged again, with trading volume reaching nearly 5 trillion to almost 26 trillion. This is mainly due to popular holiday stocks, with semiconductors and AI attracting significant investment, along with nuclear fusion, gold, and lithium batteries all showing strong performance. However, sectors outside of these core areas are lacking excitement; those not … Read more