Abstract:Package managers are legion. Every programming language and operating system has its own solution, each with subtly different semantics for dependency resolution. This fragmentation prevents multilingual projects from expressing precise dependencies across language ecosystems; it leaves external system and hardware dependencies implicit and unversioned; it obscures security vulnerabilities that lie in the full dependency graph. We present the \textit{Package Calculus}, a formalism for dependency resolution that unifies the core semantics of diverse package managers. Through a series of formal reductions, we show how this core is expressive enough to model the diversity that real-world package managers employ in their dependency expression languages. By using the Package Calculus as the intermediate representation of dependencies, we enable translation between distinct package managers and resolution across ecosystems.
对以暴力、威胁、欺骗、贿赂、伪造选票、虚报选举票数等不正当手段，妨害居民行使选举权、被选举权，破坏居民委员会选举的行为，居民有权向不设区的市、市辖区人民代表大会常务委员会举报，也可以向街道办事处或者不设区的市、市辖区的人民政府及其有关主管部门举报，由街道办事处或者不设区的市、市辖区的人民政府负责调查并依法处理。，更多细节参见heLLoword翻译官方下载
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Dynamic antigen expression and cytotoxic T cell resistance in HIV reservoir clones
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