In the foundational knowledge of Python, there are some concepts and features that may be relatively difficult to understand. Below are some common and challenging topics, each accompanied by examples to help explain. 1. Object-Oriented Programming (OOP) Object-oriented programming is a programming paradigm that organizes code into reusable objects, achieved by defining classes, creating objects, … Read more
Produced by Big Data Digest Translated by: Travis, Hu Jia, Da Jieqiong, Xia Yawen Life is short, and not just for programmers; Python is attracting the attention of big names from the financial sector. In the wave of financial technology, countless traditional finance professionals are eager to strike gold. How can you find your opportunity … Read more
Produced by | OSC Open Source Community (ID: oschina2013)AI programming language Mojo🔥 has launched a version for the Mac platform, with its founder Chris Lattner stating that Mojo + Apple Silicon is a powerful combination. Mojo🔥 is a new programming language developed by Modular AI, combining the ease of use of Python with the portability … Read more
(Add a star to Python developers to enhance Python skills) Author: Fanastr (This article is contributed by the author, see the end for a brief introduction) The reason for writing this article is mainly because I read another article. “After using Python to scrape these beautiful goddesses on Douyin, I suddenly became a winner in … Read more
1. Temporary Files Everyone knows about temporary files; some data needs to be saved temporarily, and these temporary files are not particularly useful. However, it is precisely because they are not very useful that they are needed in certain scenarios. For example, some unimportant log data, some cached intermediate files, etc. These data will eventually … Read more
FBGEMM (Facebook General Matrix Multiplication) is a C++ library developed by Meta (Facebook) that is primarily used for low-precision, high-performance matrix multiplication and convolution operations in server-side inference. It is designed for small batch data and can significantly improve inference efficiency while supporting various techniques to reduce precision loss, such as row-wise quantization and outlier-aware … Read more
1. Introduction When dealing with tree structures, it is common to encounter the need to find the Lowest Common Ancestor (LCA) of two nodes. The LCA is defined as the furthest node from the root among all common ancestors of the two nodes in the tree (i.e., the node with the maximum depth). For example, … Read more
Produced by | OSC Open Source Community (ID:oschina2013)Following the call to stop using C/C++ for new projects and switch to Rust, Microsoft Azure CTO and Sysinternals lead developer Mark Russinovich’s recent social media post criticizing Git has sparked widespread discussion. He stated: Git once again makes me want to pull my hair out. It has … Read more
What is OOM Type OOM (Object-Oriented Memory) types refer to those classifications in C++ that are closely related to object lifecycle and memory management. Understanding these types is crucial for writing safe and efficient C++ code. Main Classifications of OOM Types 1. Trivial Types Characteristics: Has a trivial default constructor Has a trivial copy/move constructor … Read more
Exiv2: A Powerful C++ Library for Image Metadata Processing Exiv2 is a cross-platform C++ library and command-line tool for managing and manipulating metadata in image files. It supports reading, writing, deleting, and modifying Exif, IPTC, XMP, and ICC image metadata. This metadata often contains information about the image capture (such as camera model, capture time, … Read more