Development › ProgrammingTop Programming Languages 2025: IEEE's Annual Rankings and the AI ImpactIEEE's 2025 programming language rankings spark debate about AI's role in reducing language-specific concerns for developers.Signal Editorial TeamSeptember 25, 20253 min read
Artificial Intelligence › Large Language ModelsGetting AI to work in complex codebasesDiscussion on the challenges and limitations of using LLMs for code generation in production environments, exploring determinism concerns.Signal Editorial TeamSeptember 25, 20253 min read
Artificial Intelligence › Large Language ModelsSampling and Structured Outputs in LLMsDiscussion of advanced techniques for constraining LLM outputs using structured generation libraries like Guidance and LLGuidance.Signal Editorial TeamSeptember 25, 20253 min read
Artificial Intelligence › Large Language ModelsScaling AI Application Development at BlackRock: Building Custom Knowledge Apps for Investment OperationsHow BlackRock's engineering team overcame challenges in building and deploying AI applications at scale for investment operations teams.Signal Editorial TeamSeptember 25, 20254 min read
Artificial Intelligence › Large Language ModelsEngineering AI Systems That Endure: Beyond the Bitter LessonHow to build reliable AI systems while navigating the rapid pace of LLM evolution and the tension between domain knowledge and scalable methods.Signal Editorial TeamSeptember 25, 20254 min read
Artificial Intelligence › Large Language ModelsEngineering Effective AI Evaluations: Lessons from Production LLM DeploymentsKey insights on building robust evaluation systems that enable rapid model updates and continuous improvement in AI applications.Signal Editorial TeamSeptember 18, 20254 min read
Artificial Intelligence › Large Language ModelsAI Agents for Economic Research: A Comprehensive Guide to Building Autonomous Research SystemsA practical guide demonstrating how economists can build sophisticated AI agents for autonomous research tasks using modern frameworks like LangGraph.Signal Editorial TeamSeptember 18, 20257 min read
Artificial Intelligence › Large Language ModelsBuilding ChatGPT: A Comprehensive Guide to Large Language ModelsA general audience introduction to how large language models like ChatGPT are built, from data collection to neural network training.Signal Editorial TeamSeptember 18, 20255 min read
Development › Software EngineeringDisciplined AI Software Development: A Structured Methodology for AI-Human CollaborationA systematic approach to collaborating with AI systems on software projects, addressing code bloat, architectural drift, and context dilution through structured constraints and validation checkpoints.Signal Editorial TeamSeptember 18, 20253 min read
Artificial Intelligence › Large Language ModelsThe Mathematics Behind Large Language Models: A Physics PerspectiveHow physics training in linear algebra, tensor calculus, and entropy provides the mathematical foundation for understanding LLMs.Signal Editorial TeamSeptember 16, 20253 min read