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4118

The new APT 3.0 solver

APT 2.9.3 introduces the first iteration of the new solver codenamed solver3, and now available with the –solver 3.0 option. The new solver works fundamentally different from the old one. How does it work? Solver3 is a fully backtracking dependency solving algorithm that defers choices to as late as possible. It…

4126

Unix version control lore: what, ident

There are a couple of version control commands that deserve wider appreciation: SCCS what and RCS ident . They allow you to find out what source a binary was built from, without having to run it – handy if it is a library! They basically scan a file looking for magic strings that contain version control metadata and…

4138

New UUID formats have been approved

This document presents new time-based UUID formats which are suited for use as a database key. A common case for modern applications is to create a unique identifier for use as a primary key in a database table. This identifier usually implements an embedded timestamp that is sortable using the monotonic creation time…