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21CTO (21CTO.com) offers developers community, training, and services, making it your go‑to learning and service platform.

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21CTO
21CTO
Apr 23, 2026 · Fundamentals

Git 2.54 Introduces Experimental ‘git history’ Command

Git 2.54 adds the experimental git history command with reword and split sub‑commands, a new hook‑definition method outside the traditional Git/hook directory, default geometry repack, and several minor improvements, offering developers a simpler way to rewrite repository history.

GitVersion Controlgit 2.54
0 likes · 3 min read
Git 2.54 Introduces Experimental ‘git history’ Command
21CTO
21CTO
Apr 22, 2026 · Industry Insights

Is Oracle's Database Dominance Fading? Slow but Clear Market Shift

A Gartner revenue‑based DBMS market share chart shows Oracle slipping from the top while cloud giants and fast‑growing newcomers like Snowflake, Databricks and CockroachDB gain ground, and DB‑Engines rankings reveal PostgreSQL’s rise and Oracle’s gradual decline despite still leading overall.

Cloud ComputingDB-EnginesDatabase Market
0 likes · 7 min read
Is Oracle's Database Dominance Fading? Slow but Clear Market Shift
21CTO
21CTO
Apr 21, 2026 · Industry Insights

How a Graduate Student Uncovered and Fixed a 20‑Year‑Old E16 Window‑Manager Bug

A graduate student named Kamila, while preparing LaTeX slides on a Linux desktop, repeatedly crashed the Enlightenment E16 window manager, traced the freeze to an unbounded title‑truncation loop that had lingered since 2006, and ultimately patched the bug, highlighting the enduring value of open‑source vigilance.

Bug FixE16Enlightenment
0 likes · 6 min read
How a Graduate Student Uncovered and Fixed a 20‑Year‑Old E16 Window‑Manager Bug
21CTO
21CTO
Apr 21, 2026 · Industry Insights

What John Ternus' Rise Means for Apple’s Tech Future

Tim Cook announced his resignation on April 21, 2026, naming senior hardware VP John Ternus as his successor, and the article analyzes Ternus' engineering background, his AI‑centric vision, robotics ambitions, and how Apple’s leadership shift could reshape product strategy and market positioning.

AIAppleHardware
0 likes · 5 min read
What John Ternus' Rise Means for Apple’s Tech Future
21CTO
21CTO
Apr 20, 2026 · Information Security

How Anthropic’s Opus Model Generates Real‑World Chrome Exploits and What It Means for Security

Anthropic’s Opus 4.6 model can automatically craft a working V8 JavaScript engine exploit for Chrome 138, costing $2,283 in API usage, which demonstrates how AI‑driven code generation is reshaping vulnerability research, shortening patch windows, and forcing a rethink of software security practices.

AI securityChrome vulnerabilityOpus model
0 likes · 7 min read
How Anthropic’s Opus Model Generates Real‑World Chrome Exploits and What It Means for Security
21CTO
21CTO
Apr 20, 2026 · Industry Insights

From Mine‑Clearing Robots to AI Acquisitions: Key Tech Updates You Can’t Miss

The article reports on the U.S. Navy deploying robots to clear mines in the Strait of Hormuz, analyzes OpenAI’s recent acquisitions of Hiro and TBPN and the strategic challenges they reveal, and highlights the latest releases of Visual Studio Code 1.116 and Zig 0.16.0 with their new features.

AIOpenAIVS Code
0 likes · 7 min read
From Mine‑Clearing Robots to AI Acquisitions: Key Tech Updates You Can’t Miss
21CTO
21CTO
Apr 20, 2026 · Artificial Intelligence

Why Developer “Taste” Beats Speed When Using AI Coding Tools

The article argues that the real value of AI in software development lies not in faster typing but in the developer's ability to judge and refine AI‑generated code, illustrating common pitfalls, concrete examples, and practical habits that cultivate a sense of taste to produce sustainable, high‑quality software.

AI-assisted programmingBest Practicescode quality
0 likes · 16 min read
Why Developer “Taste” Beats Speed When Using AI Coding Tools
21CTO
21CTO
Apr 18, 2026 · Industry Insights

Does Visual Studio 2026’s AI Debugger Boost Productivity or Add Distraction?

Visual Studio 2026 (v18.5) introduces smarter AI code suggestions and an AI‑driven debugger, but developers report cognitive overload from overlapping assistants, reduced color contrast, and intrusive forced updates, raising questions about whether these innovations truly improve the IDE experience.

AI code suggestionsGitHub CopilotIDE usability
0 likes · 7 min read
Does Visual Studio 2026’s AI Debugger Boost Productivity or Add Distraction?
21CTO
21CTO
Apr 17, 2026 · Industry Insights

Why High Interest Rates, Not AI, Are Driving the Global Hiring Decline

LinkedIn’s massive labor‑market data reveals that the recent worldwide drop in hiring is primarily caused by rising interest rates, while AI’s impact on job availability remains limited but is accelerating the evolution of required skills.

Interest RatesLinkedInhiring trends
0 likes · 6 min read
Why High Interest Rates, Not AI, Are Driving the Global Hiring Decline