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Building Mach: A Modern C++20 Web Framework on Boost.Asio and Boost.BeastIntroducing Mach, an open-source C++20 web framework built on Boost.Asio and Boost.Beast. A look at its architecture, asynchronous networking foundation, and approach to building web APIs in modern C++.
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Unordered polymorphic collectionsUnordered polymorphic collections have been added to Boost.PolyCollection, employing boost::container::hub‑based segments to achieve iterator and reference stability. In contrast to the existing ordered variants, these collections use a different internal structure that yields insertion speeds comparable to or faster than their ordered counterparts, while iteration performance is slower due to the lack of vector‑based traversal. The new unordered collections (base, function, any, and variant) are scheduled for inclusion in Boost 1.93. Internally, all eight collection types are instantiated from a common poly_collection template parameterized by a model that specifies the polymorphism technique, ordering, and openness, creating a flexible three‑dimensional design. An article titled “Inside Boost.PolyCollection” documents this architecture in detail.
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Hub is hereDuring Q2 2026 Boost work is summarized: boost::container::hub accepted for Boost 1.92; Boost.Unordered added C++20 range support; Boost.MultiIndex got iterator pointers; Boost.ICL fixed for libc++ v22; Boost.Bloom, Boost.Graph and activities noted.
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MrDocs Bootstrap: One Script to Build Them AllComplex C++ dependency management is explained with version conflicts, ABI issues, and platform toolchain differences. Limitations of package managers are described, and a bootstrap script is presented that automates builds, configuration, and IDE setup across platforms, supporting sanitizers.
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Speed and SafetyCUDA support is added to Boost int128 for host and device use. Device from_chars/to_chars are provided by Boost.Charconv, and Boost.Decimal will gain CUDA later. Verification is used by Boost.Safe_Numbers for safety and error check with CUDA reporting.
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Hubs, intervals and mathDevelopment of boost::container::hub as a lightweight alternative to std::hive, a conference talk on C++ mathematics, maintenance merges for Boost.Unordered and Boost.Bimap, a fix proposal for Boost.ICL, and community support activities.
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Powering Cognitive Communications Engine for NASA with BoostBoost libraries were employed to provide permissive‑licensed, reliable networking and serialization for a C++11 reinforcement‑learning cognitive engine that autonomously optimizes ISS radio communications. Boost.Asio was used to handle concurrent UDP/Ethernet I/O, and Boost.Serialization was used to enable state persistence across orbital passes, facilitating successful on‑orbit testing.
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A postgres library for BoostA Boost-native PostgreSQL library, NativePG, is being developed to provide low‑level message serialization, type parsing, pipelined request composition, flexible response handlers, Asio‑based connections, auto‑batching, connection pooling, and safe SQL formatting, extending beyond libPQ.
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From Prototype to Product: MrDocs in 2025The evolution of MrDocs from an unstable 2024 prototype to a stabilized 2025 MVP is described, highlighting unified configuration, consistent generators, enhanced CI, metadata improvements, and plans for reflection, plugins, and priority management.
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