The Cobox — Knowledge is Growth
Tutorials, course notes and interview questions, free for everyone who wants to learn.
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- Tools 30
- Tutorials 20
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Python OOPs Course | Lecture 15 of 21
Lecture 15 of 21 in the free Python OOPs course by The Cobox (about 55 minutes). Watch the lectures in order; the previous and next links below take you through the series.
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Python OOPs Course | Lecture 16 of 21
Lecture 16 of 21 in the free Python OOPs course by The Cobox (about 62 minutes). Watch the lectures in order; the previous and next links below take you through the series.
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Python OOPs Course | Lecture 17 of 21
Lecture 17 of 21 in the free Python OOPs course by The Cobox (about 60 minutes). Watch the lectures in order; the previous and next links below take you through the series.
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Python OOPs Course | Lecture 18 of 21
Lecture 18 of 21 in the free Python OOPs course by The Cobox (about 49 minutes). Watch the lectures in order; the previous and next links below take you through the series.
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Python OOPs Course | Lecture 19 of 21
Lecture 19 of 21 in the free Python OOPs course by The Cobox (about 59 minutes). Watch the lectures in order; the previous and next links below take you through the series.
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Python OOPs Course | Lecture 20 of 21
Lecture 20 of 21 in the free Python OOPs course by The Cobox (about 47 minutes). Watch the lectures in order; the previous and next links below take you through the series.
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Python OOPs Course | Lecture 21 of 21
Lecture 21 of 21 in the free Python OOPs course by The Cobox (about 37 minutes). Watch the lectures in order; the previous and next links below take you through the series.
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Python language fundamentals: what Python is, its features and your first program
A beginner's introduction to Python: where it came from, what makes it different from Java and C, its main features and limits, where it is used, how to install it, run code and write your first working programs.
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Object-oriented programming in Python: the big picture and the four pillars
Why object-oriented programming exists, how it differs from procedural code, the four pillars (encapsulation, abstraction, inheritance, polymorphism) shown in one small Python example, and how objects store data under the hood.
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PHP interview questions for developers with 4+ years of experience
Twenty PHP interview questions for experienced developers with tested code: design patterns, dependency injection, code organisation, database access, background jobs, XML and JSON parsing, functional style, generators, APIs, OPcache and testing.
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Deploy code from Git to shared hosting: cPanel, SSH keys and safe releases
Stop uploading files by FTP: deploy a PHP site from a Git repository to cPanel-style shared hosting using SSH keys, a production branch, .cpanel.yml or a post-receive hook, with rollback, secrets handling and a Laravel checklist. Git steps tested locally.
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Prime number program in C: from simple loop to the Sieve of Eratosthenes
Write prime number programs in C in four steps: the simple divide-by-everything loop, the n/2 improvement, the square-root and 6k plus or minus 1 trick, and the Sieve of Eratosthenes, with output and timings from real runs.