This article explains how to use Google OR-Tools' CP-SAT solver to solve scheduling problems, including shift assignment, employee preferences, and constraint handling. It provides code examples and demonstrates how to model real-world scheduling constraints effectively using the CP-SAT solver.
103 items·1 source·First seen ·Last activity
This article explains how to use Google OR-Tools' CP-SAT solver to solve scheduling problems, including shift assignment, employee preferences, and constraint handling. It provides code examples and demonstrates how to model real-world scheduling constraints effectively using the CP-SAT solver.
Stern is a tool that allows users to tail logs from multiple pods and containers in Kubernetes, with support for color-coded output, regex-based pod selection, and customizable options for log streaming.
Quicktok is a new exact BPE tokenizer that achieves 7x speed improvement over tiktoken, designed for efficient tokenization in natural language processing tasks.
The article presents example prompt orchestrations and scaffold designs for AI systems, illustrating how to structure multi-step workflows to handle complex tasks efficiently.
Pilot Shell is a tool that uses spec-driven plans, enforced quality gates, and persistent knowledge to help manage and guide development workflows.
··
3.0
Mozilla AI announced Transcribe.cpp, a lightweight, cross-platform C++ library for real-time speech transcription using Whisper models. It is optimized for on-device performance with minimal dependencies, supporting various backends like OpenAI and Google.
··
2.0
A methodology for building an index futures trading strategy by aggregating stock-level signals. The approach covers signal generation, aggregation, and backtesting to derive actionable futures trading insights from individual stock data.
··
1.5
AutoEditor.app is a video editing tool that transforms raw footage into optimized videos designed for viewer retention.
··
4.0
PriceProbe is a zero-dependency Python tool for tracking competitor prices. It allows users to monitor pricing changes without external libraries, making it lightweight and easy to integrate into existing workflows.
··
1.0
The article discusses challenges in building incremental data pipelines for scientific datasets that arrive out of order, and presents strategies for handling disarrayed file ingestion to maintain data integrity and processing efficiency.
··
3.0
The article examines "tool amnesia" in Model Context Protocol ecosystems, where AI models fail to use available tools consistently in multi-step tasks. It identifies causes like context limitations and proposes solutions such as better memory management and structured invocation patterns.
··
3.0
The article describes a side project using the Vulkan VK_EXT_present_timing extension to measure end-to-end input latency in graphics applications. The author explains how this extension allows precise timing of frame presentation, enabling developers to quantify the delay between user input and visible screen output.
··
0.5
The redhat-developer/yaml-language-server is an open-source Language Server Protocol implementation providing YAML file support, including validation, auto-completion, hover information, and schema-based editing features for IDEs and editors.
··
0.0
The article discusses strategies for reliably consuming real-time data feeds, covering challenges like network failures, duplicate events, and out-of-order messages, along with solutions such as idempotent processing, checkpointing, and using message queues or stream processing frameworks to ensure exactly-once or at-least-once delivery semantics.
··
1.0
The article discusses how evaluation order in Datalog and similar query languages affects nontermination and recursion handling, contrasting bottom-up and top-down evaluation strategies and their implications for program behavior and expressiveness.
··
2.0
Paranoia is an automatic chaos engineering tool designed for Spring applications. It helps developers test system resilience by intentionally injecting failures and disturbances into running services, enabling teams to identify weaknesses and improve fault tolerance.
··
3.0
This paper presents a set-theoretic approach to detect logic bugs in DBMS inner-join optimizations, aiming to improve database reliability by identifying incorrect query optimizations.
··
2.0
Box2D has developed a new replay system to help reproduce bugs. The system records simulation inputs and state, allowing developers to replay and debug issues deterministically. This aims to improve stability and reliability of the physics engine.
··
1.0
A cybersecurity professional shares a comprehensive cheatsheet for the OSCP (Offensive Security Certified Professional) pentesting exam, covering enumeration, exploitation, privilege escalation, and post-exploitation techniques and commands.
··
3.0
Salt v1.0.0 is a systems programming language that integrates Z3 theorem proving directly into its compiler, enabling formal verification of program properties at compile time.
··
2.0
ClickHouse's managed Postgres service implemented SO_REUSEPORT and socket peering to scale PgBouncer across all CPU cores, eliminating connection bottlenecks and improving performance under high load.
··
1.0
Transcribe.cpp is a lightweight speech-to-text inference engine built on ggml, designed to run locally without external dependencies or cloud APIs. It supports multiple models, including Whisper variants and Hugging Face-compatible encoders, and can process various audio formats for transcription.
··
0.5
Ovid is a Pi extension designed to record proofs that its features actually work, aiming to enhance reliability and verifiability in system functionality.
··
0.0
Keybr is a free online tool that uses an adaptive algorithm to help users improve their typing speed and accuracy by generating random, pronounceable words based on their mistakes and progress.
··
4.0
This paper evaluates PyTorch's performance in high-performance computing (HPC) contexts, analyzing its efficiency for large-scale scientific computing workloads compared to traditional HPC frameworks. It examines memory usage, computational throughput, and scalability across different hardware configurations.
··
1.0
Translatable is a Python library providing ORM-agnostic internationalization (i18n) support by storing translations in JSON columns, allowing developers to handle multilingual content without database schema changes.
··
4.0
Memray is an open-source memory profiler for Python developed by Bloomberg. It allows developers to track memory allocations in Python code and extensions, offering features like flame graphs, statistical summaries, and real-time memory monitoring to help diagnose memory usage and leaks.
··
0.0
Probes is a tool for uptime and performance monitoring, helping users track the availability and responsiveness of their services.
··
4.0
Transcribe.cpp is a transcription engine built on ggml, designed for local, offline speech-to-text processing. It leverages machine learning models to convert audio into text without relying on cloud services, emphasizing performance and privacy.
··
2.0
EYG is a new programming language designed to be more intuitive and human-readable, focusing on reducing cognitive overhead and making code easier to write and understand for people rather than machines.
··
0.5
Honeycomb is migrating from an event-based metrics system to a time series metrics (TSM) system. The FAQ explains the reasons for the change, the benefits of TSM, and provides guidance for users on how to prepare for and complete the migration.
··
2.0
A developer revisits a stack pivot and W^X enforcement issue, discussing its relevance to the PixelSmash vulnerability in OpenBSD's memory protection framework.
··
2.0
Fil-C implements memory-safe setjmp and longjmp using capability-based safety, preventing stack smashing and dangling pointer issues from non-local jumps while staying compatible with existing C code.
··
2.0
This is a real-time dashboard for monitoring Exchange and Office pipeline health, including SLAs, incidents, and build status.
··
0.5
FPChecker is a compiler-assisted tool for analyzing and profiling floating-point errors in numerical programs. It uses static analysis and dynamic instrumentation to detect precision issues, helping developers identify and mitigate numerical inaccuracies in scientific computing applications.
··
4.0
CRISPRr.bio offers an end-to-end pipeline for CRISPR guide RNA design, generating a full 3D model from a target DNA sequence in about 5 seconds.
··
4.0
Nansense is an interactive debugger for PyTorch that provides deep visibility into neural network internals, helping developers diagnose issues like vanishing gradients and dead neurons by inspecting activations, gradients, and weights during training.
··
5.0
Meta has developed Brain2Qwerty, a non-invasive brain-to-text decoder that reconstructs sentences from brain activity captured via MEG and EEG. The system decodes up to 80 characters per minute from participants typing sentences, achieving a mean word error rate of 32.5% for a 52-word vocabulary.
··
2.0
Explores how evaluation order impacts nontermination in Datalog and SQL query languages, comparing strategies like naive, semi-naive, and top-down evaluation, and noting that recursive queries can cause infinite loops despite theoretical termination guarantees.
··
1.0
The author documents a process for auditing all locally installed Python packages by reviewing their source code, dependencies, and metadata to identify security risks and maintenance issues.
··
1.0
The JSON Handbook is a comprehensive guide covering JSON syntax, data types, structure, and practical usage in web development. It explains how JSON is used for data interchange between servers and web applications, including parsing, stringification, and working with APIs.
··
3.0
The article explores four metaphors for online information access: search, discovery, pills (shared links), and portals. It argues the internet is shifting from search toward discovery feeds and pill-based sharing, with portals increasingly controlling user attention.
··
2.0
ADAC is a tool that compiles differentiable audio models, such as neural audio effect models, into real-time DSP code. It enables running models trained in machine learning frameworks directly on embedded devices and plugins with minimal latency and overhead.
··
0.5
This gist outlines proposed build system improvements and a centralized overview for a development project, focusing on streamlining build processes and enhancing system organization.
··
1.0
A Python-based micro-temporal transaction velocity baseline filter has been built to analyze time-series data for detecting transaction velocity patterns and anomalies.
··
3.0
StartPinch has released a benchmark evaluating real-time voice translation systems, testing accuracy, latency, and language coverage across multiple models and language pairs. The benchmark aims to provide a standardized way to compare speech translation tools for developers and businesses.
··
1.0
A comprehensive guide covering core concepts in fintech engineering, including payment systems, compliance, security, and financial data handling. It provides practical insights on building and scaling financial technology products for engineers and technical leaders.
··
7.0
A new end-to-end model has been developed that can listen, see, think, and respond to video in real time.
··
1.0
The IOCCC 2025 winning entry by Henry Uellenberg implements a fully playable two-player ping-pong game entirely within a single C source file, using the compiler itself to process player input at compile time and generate the output binary.
··
2.0
Pystd is a proposed Python standard library alternative that aims to provide similar functionality while drastically reducing compile time. By reimplementing core modules more efficiently, it could significantly speed up Python builds and development workflows.
··
1.5
Hopscotch-map is a C++ library providing fast hash map and hash set implementations using hopscotch hashing, offering open-addressing, cache-friendly storage, and support for heterogeneous lookups and customizable memory allocators.