This guide shows how to mount Oracle Object Storage on Linux with s3fs-fuse, including namespace and region lookup, credential setup, the mount command, and a simple post-mount verification step.……
阅读全文
In Python, to check whether an array or tuple is empty, there are three methods: comparing with an empty list, checking the length, and using an if statement.……
阅读全文
I just saw a post on the forum about Okteto’s free containers, and since I hadn’t registered before, I decided to deploy my site’s Flask app using Okteto’s free container. Okteto’s free Kubernetes plan offers generous resources: 4-core CPU, 8GB RAM, 10GB SSD — basically a great VPS for free. Here’s how to deploy using Okteto.……
阅读全文
This article explains the confusion matrix in machine learning classification, clarifies TP, TN, FP, and FN, and shows how to calculate precision, recall, accuracy, and F1.……
阅读全文
I’ve been using LEDE OpenWRT firmware as my router’s firmware. Due to version updates, some software is missing in older versions, so I decided to compile a custom firmware containing only the needed software for my Phicomm K2 router.……
阅读全文
Since the original logo has a white background, and we need to change the white background to transparent, here we use the versatile Python tool for image conversion, specifically the pillow package’s Image.……
阅读全文
This tutorial uses a simple quadratic function to explain the core idea of gradient descent, including the gradient direction, learning rate, stopping condition, and a step-by-step Python implementation.……
阅读全文
Too many idle servers collecting dust. Here is an option to make use of idle VPS. Today I will teach you how to use CPUMiner-Multi on CentOS for mining and earn some cryptocurrency. Monero is currently the most profitable cryptocurrency, so we choose Monero.……
阅读全文
This article explains why git push is rejected with a “remote contains work that you do not have locally” or “fetch first” message, and shows a practical way to fix the common non-fast-forward error with git pull –rebase.……
阅读全文
A tree in real life has many branches and leaves. In fact, the concept of trees is widely used in machine learning, covering classification and regression. In decision analysis, decision trees are used to visually represent and make decisions. As the name implies, a decision tree is a tree-shaped decision model.……
阅读全文
This article introduces a very important dimensionality reduction method in machine learning—Principal Component Analysis.……
阅读全文
This guide explains the difference between bit, Byte, bps, Bps, Gbps, and pps, with practical conversion rules for bandwidth, download speed, and switch throughput.……
阅读全文