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Double Pointers in C: Memory Model and Worked Examples
1+ day, 5+ hour ago (317+ words) Exam prep & CS education Here, value stores 24, p stores the address of value, and pp stores the address of p. Use the state before the assignment to 81 and track one pointer level at a time. Meaning or value before mutation This…...
Go Learning Roadmap: From Syntax to a Tested HTTP Service
3+ day, 20+ hour ago (751+ words) Follow a ten-week, project-led Go plan that turns basic syntax into a tested local task service, with clear weekly gates and recovery rules. Exam prep & CS education Go syntax tutorials can make sense while a service you can test, cancel,…...
Disk Access Time: Formulas, Worked Example, GATE Traps
4+ day, 7+ hour ago (1141+ words) Learn how seek time, rotational latency and transfer time combine, then apply the formulas to random and contiguous reads without losing track of units. Exam prep & CS education Students remember access time = seek + rotation + transfer yet treat RPM as revolutions…...
Algorithms of Planning as State-Space???
3+ day, 22+ hour ago (152+ words) This video lesson is available to enrolled students. Enroll to watch — ZERO TO HERO An AI-generated summary of this video lecture. 0:00 – 2:00 00:00-02:00 2:00 – 5:00 02:00-05:00 5:00 – 5:15 05:00-05:15 The slide changes to "Linear Planning: The Basic Idea behind linear planning in AI is - Work on one goal…...
Heuristic Search: A* Worked Example and Exam Traps
4+ day, 7+ hour ago (541+ words) Exam prep & CS education A search problem has a state space, a start state, a goal test, and successors reached through edges or actions. Each edge can have a step cost. The accumulated cost from the start to node n…...
SQL Datatypes, Operators and NULL: Worked Examples and Traps
4+ day, 9+ hour ago (771+ words) Use one four-row Employee table to master SQL type choices, operator precedence, NULL, three-valued logic, COALESCE and aggregate outputs step by step. Exam prep & CS education The Employee table has the following schema: INTEGER stores whole numbers. VARCHAR(20) stores variable-length…...
Pointer Arithmetic in C: Rules and Worked Examples
4+ day, 7+ hour ago (634+ words) Understand how C pointers move across arrays, where arithmetic is valid, and why one-past pointers are useful but never readable. Includes code, traces, and common traps. Exam prep & CS education The useful operations are p + n, p - n, p++, p--, p…...
PHP vs Node.js: Choose by Building the Same CRUD API - Knowledge Gate AI
5+ day, 8+ hour ago (843+ words) Build the same BookStock API in PHP and Node.js, then compare request scheduling, validation, concurrent updates and deployment constraints. Exam prep & CS education PHP commonly uses a web server and worker pool. Node.js commonly uses long-lived processes whose…...
DFA Basics and Definitions
6+ day, 20+ hour ago (957+ words) Understand what makes a finite automaton deterministic and complete. Build one DFA for strings ending in 01, trace inputs, test acceptance, and repair a missing transition. Exam prep & CS education Use CS Fundamentals for Exams & Placements as the broader subject hub…...
Degree Sequences & Graph Isomorphism: GATE Havel-Hakimi
6+ day, 20+ hour ago (1330+ words) Use the Handshake Lemma and Havel-Hakimi mechanically, then learn why matching degree sequences cannot by themselves prove graph isomorphism. Exam prep & CS education Degree-sequence questions look like small counting exercises until the options force two different decisions. Can this sequence…...