Qualiteg Product Development Team

Daily Dev Tips

How to Fix the Windows Terminal Error "Found a profile with an invalid 'icon'. Defaulting that profile to have no icon."

This is an issue I have run into a few times after repeatedly installing and removing various versions of Linux on WSL. Encountered errors while loading user settings Found a profile with an invalid "icon". Defaulting that profile to have no icon. Make sure when setting an "

NumPy/PyTorch

The "Unknown Error" Problem on Production PyTorch + CUDA Servers and How to Address It

Hello! This is the Qualiteg Product Development team. Today's topic is a headache familiar to anyone running commercial GPU services: the "CUDA error: unknown error" that suddenly appears after long periods of operation, even though every test passes. Running into it is disheartening, but in the

LLM-Audit

LLM-Audit PII Detection Technology, Part 2: Staged PII Masking in LLM Applications

Hello, this is the Qualiteg Product Development team! In our previous technical deep dive, we started from the inherent ambiguity of Japanese—where you cannot tell whether "三沢" (Misawa) is a person's name or a place name—and introduced a five-stage approach to PII detection, from

DIY GPU Machines

2025 NVIDIA GPU Quick Search Tool (Updated Aug 5, 2025)

NVIDIA GPU List Search Series All SM_100 (Blackwell) SM_90 (Hopper) SM_89 (Ada Lovelace) SM_86/SM_87 (Ampere) SM_75 (Turing) SM_70/SM_72 (Volta) SM_60/SM_61/SM_62 (Pascal) SM_50/SM_52/SM_53 (Maxwell) SM_35/SM_37 (Kepler) SM_20

Daily Dev Tips

How to Store a Folder Containing Huge Files in an Uncompressed ZIP on Windows

Hello! When backing up or archiving a folder that contains multiple large files, we often pack them into a ZIP file. However, recompressing files that are already compressed (videos, images, PDFs, and so on) can take a long time while yielding little benefit—or make the compression step painfully slow.

LLM

[Explainer] What Is the Tekken Tokenizer? Inside the New-Generation Tokenizer Adopted by Mistral

Hello! Today we are going to talk about Tekken! When you hear "Tekken," what comes to mind? The fighting game Tekken (鉄拳, "iron fist"), perhaps? Personally, I thought of the Long Swordsman (鉄剣戦士, "iron-sword warrior" in the Japanese edition) from Age of Empires, a

Daily Dev Tips

How to Find Out Which Process Is Listening on a Port on Windows

Here is how to find out who is listening on a given port number on Windows (Server). The Interactive Way First command netstat -ano | findstr ":443" | findstr "LISTENING" This reveals the process ID (PID) Output TCP 0.0.0.0:443 0.0.0.0:0

LLM

Mistral Small v3 Explained: Now with Japanese Support

Hello! On January 30, 2025, Mistral AI announced its new language model, Mistral Small v3. Despite a relatively small parameter count of 24B, the model achieves performance comparable to large-scale models of 70B or more. It also advertises Japanese-language support, making it a highly anticipated compact model. https://huggingface.co/

LLM

[vLLM] How to Fix "To use CUDA with multiprocessing, you must use the 'spawn' start method"

When using vLLM on WSL and trying to serve a single LLM across multiple GPUs with tensor parallelism, you will often run into an error like the following. RuntimeError: Cannot re-initialize CUDA in forked subprocess. To use CUDA with multiprocessing, you must use the 'spawn' start method A

LLM

Inside "Open Deep Research": A Technical Deep Dive

Hello! The "Deep Research" scene has suddenly been heating up. Today, we dive into Open Deep Research—announced just yesterday (February 5, 2025)—and walk through its architecture and implementation! 1. Introduction OpenAI's "GPT Deep Research" has been making waves, and it seems likely

DIY GPU Machines

2025 NVIDIA GPU Roundup

Here is a roundup of the latest NVIDIA GPUs. Related entries:https://blog.qualiteg.com/nvidia-gpu-capability-level/ SM_120 (Blackwell) GeForce Product Name CUDA Cores VRAM Release Year PCIe Version Cooling Power (Max/TDP) GeForce RTX 5090 21,760 32GB GDDR7 2025 PCIe Gen5 2-slot (internal exhaust) - GeForce RTX 5080

Daily Dev Tips

Mastering UUID Generation in Node.js: crypto.randomUUID() vs. the Classic uuid Package

Hello! In this article, we look at UUID generation in Node.js, a mainstay of modern web front ends—specifically, howcrypto.randomUUID()differs from the traditional approach. Introduction UUIDs are widely used as unique identifiers, and Node.js offers more than one way to generate them. How to Use crypto.

Daily Dev Tips

Fixing a Dependency Error Caused by a Polluted Global Python Environment

Hello! Today we look at a surprisingly common mystery error caused by packages you don't remember installing, and what turns out to be behind it. The environment in this case was Windows with Python and Anaconda installed, but the same essentially applies to Linux as well. It turned

Daily Dev Tips

An Easy Way to Install Windows Terminal on Windows Server 2022 Datacenter Edition

Hello! This post is a note on how to install Windows Terminal on the Windows Server 2022 Datacenter edition. Doing it step by step was a bit of a hassle, so I turned the whole procedure into a script you can simply paste into PowerShell to install everything automatically. Paste

Daily Dev Tips

Controlling the Forced Use of Windows Terminal: A ForceV2 Configuration Guide

Hello! On recent Windows 10/11 systems, Windows Terminal launches automatically in place of the classic Command Prompt. The setting that controls this behavior is called "ForceV2". In this article, we take a close look at ForceV2 and how to configure it. [Note] This article deals with registry

Daily Dev Tips

How to Restore the Classic Windows 10-Style Right-Click Menu in Windows 11

In Windows 11, the right-click menu has been simplified, hiding convenient items such as "Send to". In this article, we show you how to restore the classic Windows 10-style menu. [Note] Registry changes must be made with care, and incorrect operations may affect your system. We recommend backing