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21CTO
21CTO
Sep 19, 2026 · Industry Insights

AI Wipes Out Entry-Level Coding Jobs: CS Grads Hit by Recession-Level Hiring Freeze

US Census data shows AI adoption has caused a 5-percentage-point drop in CS graduates securing relevant jobs and a 13% starting salary decline, as companies freeze junior hiring and use AI tools to let senior developers handle basic coding tasks, creating a talent pipeline crisis.

AI coding toolsAI employment impactUS job market
0 likes · 9 min read
AI Wipes Out Entry-Level Coding Jobs: CS Grads Hit by Recession-Level Hiring Freeze
21CTO
21CTO
Sep 18, 2026 · Fundamentals

15 Essential Rust Idioms for Writing Safe, Expressive Code

This article explores 15 idiomatic Rust patterns — including Newtype, smart constructors, builder pattern, RAII, composition over inheritance, trait-based strategy, extension traits, typestate, interior mutability, error propagation with ?, static vs dynamic dispatch, From/Into conversions, Option combinators, standard trait implementations, and zero-cost abstractions — that leverage Rust's ownership, type system, and compile-time guarantees to produce safer, more maintainable code.

Builder PatternInterior MutabilityNewtype Pattern
0 likes · 21 min read
15 Essential Rust Idioms for Writing Safe, Expressive Code
21CTO
21CTO
Sep 18, 2026 · Artificial Intelligence

OpenArm Open-Sources 7-DOF Humanoid Arm: Embodied AI's 'Linux Moment'

Tokyo-based Enactic_ai fully open-sources OpenArm, a 7-DOF humanoid robotic arm including 3D-printable CAD files, BOM, motor firmware, ROS2 drivers, web-based MuJoCo simulation, Isaac Sim integration, and a leader arm for zero-latency force-feedback teleoperation, dramatically lowering the cost barrier for embodied AI research.

Isaac SimMuJoCoOpenArm
0 likes · 5 min read
OpenArm Open-Sources 7-DOF Humanoid Arm: Embodied AI's 'Linux Moment'
21CTO
21CTO
Sep 17, 2026 · Fundamentals

Unicode 18.0 Adds 13,007 Characters Including Chinese Seal Script

Unicode 18.0 adds 13,007 characters, raising the total to 172,808, highlighted by 11,328 Chinese seal script characters, Jurchen script, nine new emojis, three currency symbols, and a critical security fix for variation selectors to prevent hidden AI injection attacks.

AI securityCharacter EncodingChinese seal script
0 likes · 7 min read
Unicode 18.0 Adds 13,007 Characters Including Chinese Seal Script
21CTO
21CTO
Sep 17, 2026 · Industry Insights

Three Exits by 42: A Danish Engineer's Journey from Code to Family Spaces

Danish engineer Christian Rasmussen, 42, has founded and sold three companies — Assemblage to Cisco, Roger to FleetCor, and House of Wonder to a private equity fund — each born from sharp observation of flawed experiences and a drive to build better systems.

0-to-1 strategySaaSfamily spaces
0 likes · 10 min read
Three Exits by 42: A Danish Engineer's Journey from Code to Family Spaces
21CTO
21CTO
Sep 16, 2026 · Backend Development

PHP 8.6 Preview: Partial Function Application, clamp(), Duration & Polling API

PHP 8.6, slated for November 19, 2026, introduces partial function application with ? and ... placeholders, a clamp() function for value bounding, a Time\Duration class with nanosecond precision, readonly property defaults, parameter doc comments, an Io\Poll API for I/O multiplexing, SortDirection enum, enum __debugInfo(), unified stream error handling, URI builder enhancements, and stricter session security defaults.

DurationPHP 8.6Partial Function Application
0 likes · 10 min read
PHP 8.6 Preview: Partial Function Application, clamp(), Duration & Polling API
21CTO
21CTO
Sep 15, 2026 · Backend Development

CPython Drops Mandatory Rust Dependency, Opts for Optional Rust API in Python 3.16

CPython maintainers have abandoned plans to make Rust a required dependency, instead pursuing an optional Rust API for internal extensions, with integration targeting Python 3.16 in 2027, addressing platform compatibility, build system differences, and memory safety challenges while adopting Rust's Cargo-inspired tooling like uv.

CPythonCargoPython 3.16
0 likes · 7 min read
CPython Drops Mandatory Rust Dependency, Opts for Optional Rust API in Python 3.16
21CTO
21CTO
Sep 15, 2026 · Industry Insights

Automattic Board Forces WordPress Founder Mullenweg on Paid Leave, Echoes OpenAI

Automattic's board voted to place WordPress founder Matt Mullenweg on paid leave and appoint CFO Mark Davis as interim CEO, a move Mullenweg called a covert coup; he regained control within 48 hours, mirroring OpenAI's 2023 leadership turmoil, while the open-source WordPress.org project remains unaffected.

AutomatticCorporate GovernanceMatt Mullenweg
0 likes · 6 min read
Automattic Board Forces WordPress Founder Mullenweg on Paid Leave, Echoes OpenAI