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IT Services Circle

Delivering cutting-edge internet insights and practical learning resources. We're a passionate and principled IT media platform.

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Latest from IT Services Circle

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IT Services Circle
IT Services Circle
Aug 7, 2026 · Information Security

Why Is Sa-Token Gaining So Much Traction?

Sa-Token has become a popular Java permission framework because it offers a lightweight, plug‑in‑driven architecture that automates authentication, authorization and session management, allowing developers to replace complex solutions like Spring Security with just a few lines of code while still supporting distributed deployments and advanced features.

AuthenticationAuthorizationJava
0 likes · 16 min read
Why Is Sa-Token Gaining So Much Traction?
IT Services Circle
IT Services Circle
Aug 7, 2026 · Operations

Midnight NullPointerException? How Arthas Fixes It in Minutes

When a production Java service throws a NullPointerException at 2 AM, this article shows how the Arthas diagnostic tool can attach to the running JVM, inspect threads, monitor method parameters, and pinpoint the faulty null value without restarting the service, all within a few minutes.

ArthasJVMJava
0 likes · 12 min read
Midnight NullPointerException? How Arthas Fixes It in Minutes
IT Services Circle
IT Services Circle
Aug 6, 2026 · User Experience Design

After Six Months on Linux, I Discovered the Most Efficient File Manager

After testing almost every major Linux file manager for half a year, the author concludes that Dolphin offers the best balance of usability, powerful features like split‑view, embedded terminal, seamless network access, and fast search, making daily development and ops tasks significantly smoother.

Desktop EnvironmentDolphinFile Manager
0 likes · 9 min read
After Six Months on Linux, I Discovered the Most Efficient File Manager
IT Services Circle
IT Services Circle
Aug 5, 2026 · Industry Insights

16 Hot GitHub Open‑Source Projects That Dominated July

The article curates sixteen GitHub projects that surged in popularity during July, ranging from AI routing frameworks and design skills to SEO tools, multi‑agent managers, and vulnerability‑testing agents, each with brief descriptions, notable features, and recent star‑count growth.

AI AgentsGitHubOrca
0 likes · 9 min read
16 Hot GitHub Open‑Source Projects That Dominated July
IT Services Circle
IT Services Circle
Aug 5, 2026 · Artificial Intelligence

Unlocking 80 GB Memory on NVIDIA CMP 170HX: 31× Performance Gain and 20× Price Surge

The article details how researchers bypassed OTP and firmware locks on the NVIDIA CMP 170HX mining GPU, expanding its memory from 10 GB to up to 80 GB, boosting FP32 performance from about 0.39 TFLOPS to roughly 12.2 TFLOPS (≈31×), while discussing benchmark results, stability limits, and the resulting price explosion.

AI inferenceCMP 170HXGPU unlocking
0 likes · 7 min read
Unlocking 80 GB Memory on NVIDIA CMP 170HX: 31× Performance Gain and 20× Price Surge
IT Services Circle
IT Services Circle
Aug 4, 2026 · Industry Insights

The Nameless Engineers Who Write Decades‑Long Error‑Free Code Powering the Physical World

A handful of largely unknown developers create ultra‑reliable embedded software—such as μC/OS, FreeRTOS, MQTT, BusyBox, SQLite and Linux subsystems—that runs in aircraft, medical devices, IoT gadgets and industrial equipment, and they achieve this through extreme size constraints, deterministic timing, exhaustive testing, mandatory code reviews and a commitment to long‑term maintenance.

BusyBoxFreeRTOSLinux
0 likes · 18 min read
The Nameless Engineers Who Write Decades‑Long Error‑Free Code Powering the Physical World
IT Services Circle
IT Services Circle
Aug 4, 2026 · Fundamentals

Why Understanding Lock‑Free Queues Is Essential for High Concurrency

The article explains that locks are not the root cause of performance bottlenecks, examines how locked and lock‑free queues work, compares their trade‑offs with concrete benchmarks, and provides a decision guide to choose the right queue implementation for different concurrency and latency requirements.

C++CASbenchmark
0 likes · 23 min read
Why Understanding Lock‑Free Queues Is Essential for High Concurrency