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16 posts旧站Network Engineering Lab NotesA five-day Red Hat lab log covering local YUM repositories, DHCP, relay routing, DNS, Apache, and FTP services.旧站A Short Posting BreakI need to review Microcomputer Principles tomorrow, so I will make up for the missed post with two updates next week.旧站Shortest Paths with BFS: 408 Reasoning and ImplementationA step-by-step single-source shortest-path walkthrough for an unweighted graph using BFS, distance, predecessor, visited, and queue state.旧站RSA for Exams: Solving for the Private ExponentAn exam-focused RSA walkthrough that factors n, computes Euler's totient, and uses the extended Euclidean algorithm to find d.旧站Minimum Spanning Trees: Prim and Kruskal for the 408 ExamA visual explanation of minimum spanning trees, Prim's vertex-growing method, and Kruskal's edge-sorting method with disjoint sets.旧站KMP Explained: Computing next and nextval ArraysA 408-oriented explanation of KMP string matching, the one-based next-array convention, and the nextval optimization that skips redundant comparisons.旧站Syndicating My Personal BlogMy C++ Primer exercises, daily Java study notes, and algorithm posts are also mirrored to CNBlogs and CSDN.旧站C++ Primer, Chapter 2: Answers for the First HalfNotes and sample answers for early Chapter 2 exercises on primitive types, literals, initialization, declarations, references, pointers, and scope.旧站C++ Primer, Chapter 1: Exercise AnswersWorking answers for Chapter 1 exercises covering compilation, streams, loops, comments, input validation, and the Sales_item transaction examples.旧站Java Collections Practice: Dealing a Dou Dizhu DeckA small Java collections exercise that builds, shuffles, sorts, and deals a 54-card Dou Dizhu deck to three players with three bottom cards.旧站Java GUI Practice: Building a Snake Game with SwingA Swing practice project covering JFrame setup, custom JPanel painting, keyboard input, timers, sprite resources, movement, food, scoring, and collision detection.旧站Configuring VS Code with MSVC and EasyX (2021)A historical setup guide for compiling C++ with MSVC in VS Code and linking the EasyX graphics library through tasks.json.旧站Taking Time Off to RecoverI am pausing updates while I recover, then I will return with recent exercises, C++ Primer practice, and Java GUI notes.旧站Java Fundamentals: Small Practice ProgramsSeveral compact Java exercises covering nested loops, a multiplication table, sparse-array conversion, restoration, and two-dimensional array output.旧站Installing Apache, MySQL, and PHP on a CentOS Cloud ServerA historical 2021 walkthrough for building an Apache, MySQL, and PHP environment on CentOS 7 or 8 with yum-based packages.旧站Learning MarkdownA compact introduction to Markdown headings, emphasis, quotations, separators, images, links, lists, tables, and fenced code blocks.