Redis founder antirez unveiled ds4.c, a pure‑C inference engine that leverages Objective‑C and Metal to run DeepSeek V4 locally on Mac devices, delivering about 27 token/s on an M3 Ultra—far slower than GPU servers but offering a dependency‑free, on‑device solution that keeps data private.
This article introduces Google Tink, an open‑source cryptographic library for Java, explains its design goals and primitive abstractions, and walks through concise code examples that generate keysets, perform AEAD encryption, stream large files, compute MACs, and create digital signatures, all with minimal boilerplate.
This article explains why standard uniform quantization fails for the 228‑billion‑parameter MiniMax‑M2.7 MoE model on macOS, and compares two practical solutions—JANGTQ + MLX Studio with 2‑bit mixed‑precision achieving 91.5 % MMLU using 56.5 GB, and LM Studio + GGUF which is easier but requires at least 138 GB RAM and yields lower accuracy.
This article reviews the JANG quantization format, the vMLX inference engine with a five‑layer cache stack, and the MLX Studio GUI, showing how their combination enables 397B‑parameter models to fit on 128 GB Apple Silicon Macs, achieve up to 224× faster first‑token latency for 100K context, and provide a full‑featured local AI experience.
The article evaluates oMLX, a Mac‑only LLM runtime built on Apple Silicon and MLX, by walking through installation, UI features, memory usage, single‑request speed, benchmark results for Claude‑Opus‑4.6 and Qwen3.5‑9B, continuous batch processing gains, Claude Code optimizations, multi‑model support, and the failure to run a 27B model.
This article explains how to run the 397B Qwen3.5 model on a Mac by using Unsloth Dynamic 2.0 quantization (2‑bit, 3‑bit, or 4‑bit), outlines hardware requirements, provides compilation and download commands for llama.cpp, shows how to launch inference in thinking and non‑thinking modes, and compares several deployment options such as llama‑server, Transformers, SGLang/vLLM, and MLX.
This article demystifies Ethernet by explaining the roles of MAC and PHY within the network protocol stack, covering OSI and TCP/IP models, data encapsulation, ARP address resolution, hardware interfaces like MII/MDIO, and practical troubleshooting tips for real‑world network devices.
This article provides a comprehensive overview of Ethernet MAC and PHY components, explains the Media Independent Interface (MII) and its derivatives such as GMII, RMII, and RGMII, and details the signal definitions, management interfaces, and practical design considerations for network hardware.
This guide lists the must‑have macOS applications for web full‑stack developers, covering productivity terminals, markdown editors, IDEs, mobile mini‑program tools, container management, database clients, lightweight editors, AI‑enhanced code editors, and essential package managers to streamline the entire development workflow.
This article explains the roles of Ethernet MAC and PHY layers, outlines typical hardware and software problems such as connection faults, power instability, and driver misconfigurations, and provides detailed troubleshooting steps and best‑practice solutions to restore reliable network communication.
This article provides a comprehensive overview of Ethernet technology, explaining the roles of MAC and PHY chips, the OSI layer interactions, and the various interfaces such as MII, RMII, GMII, RGMII, and SMI, along with practical hardware integration details.
This article explains the principles of Message Authentication Codes (MAC), details the operation and characteristics of HMAC and CMAC, compares common algorithms, and provides Python code examples for generating and verifying these codes to ensure data integrity and authenticity.
Microsoft announced that Visual Studio for Mac will be retired, ending support after August 31, 2024, and explained its history from SharpDevelop to Xamarin Studio, the reasons for low adoption, and offered alternatives such as VS Code with C# Dev Kit, VM-based Windows VS, and JetBrains Rider.
This tutorial explains how to install and use the Python Paramiko library to establish SSH connections to Linux servers from Windows and Mac terminals, enabling execution of Linux commands remotely and improve server management efficiency.
This article uses vivid school analogies and detailed diagrams to explain how computers communicate over networks, covering concepts such as hosts, subnets, IP and MAC addresses, subnet masks, ARP, DHCP, routing, and NAT, helping readers grasp both basic and advanced networking principles.
This article explains the purpose of network layering, the role of the MAC layer, DHCP and TCP mechanisms, and provides a systematic analysis approach for common Android Wi‑Fi problems such as connection failures, DHCP issues, authentication errors, disconnections, RSSI weakness, beacon time‑outs, ARP/DNS failures, data stalls, TX/RX anomalies, AP‑side events and roaming triggers.
The article traces Apple’s four‑decade struggle with thermal challenges in its Mac lineup, recounting the legacy of the 2013 “trash‑can” Mac Pro, the evolution of chip architecture, and how the company’s shift to self‑designed silicon like the M1 series finally broke the heat‑constraint cycle.
This article walks through the TLS handshake, explains how client and server derive symmetric keys and MAC secrets, illustrates the encryption process, and shows why the sequence number in TLS MAC calculations prevents replay attacks, answering whether HTTPS can block such attacks.
This guide explains how to install Docker Desktop on Apple Silicon M1 Macs, covers required Rosetta compatibility, shows the Docker Desktop features, demonstrates running containers and a Redis instance, and discusses resource settings and Kubernetes support, providing a practical end‑to‑end workflow.
This article explains the fundamental mechanisms of computer networking—including IP addressing, MAC addresses, ARP, DHCP, subnetting, routing, and NAT—using clear analogies and detailed diagrams to help readers grasp how data travels from one host to another across local and wide-area networks.
The article explains SELinux’s origins, core architecture, mandatory access control mechanisms such as type enforcement and MLS, and how Android incorporates SELinux as SEAndroid—detailing its evolution from permissive to enforcing mode, policy file structure, Android O’s split policies, and example domain and object transitions.
This article explains how to configure Linux network interfaces, interpret configuration files, set up DNS and hosts, understand routing (static and dynamic), examine IP and MAC header structures, apply CIDR subnetting, differentiate private and public addresses, and choose common virtual networking methods such as bridge, NAT, and host‑only.
This article walks through installing Docker Desktop on Apple M1 Macs, explains required Rosetta support, shows how to run and manage containers—including a Redis example—covers Docker Desktop preferences, resource settings, and built‑in Kubernetes, and highlights practical tips and known limitations.
This article introduces a curated set of productivity shortcuts, package managers, command‑line enhancements, writing utilities, and core development tools for macOS, guiding new Mac owners through installation, configuration, and efficient usage to boost their software development workflow.
This article explains how to configure Linux network settings, describes the contents of key configuration files such as ifcfg, /etc/resolv.conf, and /etc/hosts, and introduces routing concepts, static and dynamic routes, gateways, IP/MAC headers, CIDR, and common virtual networking methods.
Docker confirms plans to support Apple Silicon Macs but faces several technical hurdles, requiring pipeline changes, reliance on Go and Electron, and coordination with other virtualization tools like VMware and Parallels to deliver a seamless Docker Desktop experience on M1 devices.
The article demonstrates how to replace the half‑minute, error‑prone manual steps of launching WebStorm, iTerm, Whistle proxy, and enabling Chrome extensions with a single Alfred workflow that uses AppleScript to open apps, run commands, and toggle extensions, dramatically streamlining front‑end development setup.
This article uses a playful story of Alice, Bob, Eve, Mallory, and Trent to explain the fundamentals of symmetric and asymmetric encryption, message authentication codes, digital signatures, and public‑key certificates, showing how each technique protects confidentiality, integrity, and authenticity in communications.
Learn how to dramatically improve Mac development efficiency by creating Alfred workflows that automate repetitive tasks, including toggling Shadowsocks connections via AppleScript and instantly uploading screenshots to Qiniu using Python scripts, with step-by-step examples and configuration guidance.
This article explains the fundamentals of symmetric and asymmetric encryption, the key distribution challenges they face, how hybrid cryptosystems combine their strengths, and introduces essential cryptographic tools such as hash functions, message authentication codes, digital signatures, and public‑key certificates, comparing their capabilities.
This article explains symmetric and asymmetric encryption, the key‑distribution problem, hybrid cryptosystems, one‑way hash functions, message authentication codes, digital signatures, public‑key certificates, and compares these cryptographic methods in detail.
This article explains how the TLS record layer encrypts and authenticates application data by fragmenting, sequencing, optionally compressing, encrypting, computing HMAC, and transmitting over TCP/IP, while detailing the security parameters, key derivation, and the evolution from MAC‑then‑Encrypt to AEAD modes.
This article uses a playful campus love story to illustrate how messages travel over a network, explaining the role of IP addresses, MAC addresses, broadcast domains, and the ARP protocol in translating an IP to a physical address so data can reach the recipient’s device.
