Learning & Education

In the AI era, is blogging dead? Pieter Levels says blogs are dead, but I believe readers will crave quality blogs with unique character - no one wants to read AI-written blogs anymore.

Detailed walkthrough of rebuilding a blog from scratch with vibe coding, from data migration to implementing new features, helping readers understand the personal blog development process.

Reflecting on my 10-year reading journey, from a first-year college student to building a collection of 265 books. Each book has shaped my thinking and contributed to who I am today - from Vietnamese and world literature to personal development, business, and philosophy. This is a story of growth through reading and the valuable lessons learned along the way.

A detailed analysis of how 'vibe coding' - a programming method based on describing intent rather than writing code directly - will democratize software development, helping readers better understand technology trends and their impact on the IT industry.

Sharing experiences from recording an English course about Bubble.io, including choosing Screen.Studio software for screen recording and automatic subtitle generation, lessons learned about setting goals and defining target students before selecting content, and the benefits of challenging yourself to overcome fears and complete projects. The author also introduces the 'Build your first web app in Bubble for beginners' course.

Day 7 progress in the challenge to create an English course in 2 weeks. The author introduces Fine-tuning ChatGPT - a feature that lets you create custom ChatGPT versions based on provided data, especially useful for customer support chatbots. The post also discusses adjusting the demo app and course direction, along with challenges using OpenAI's API in Vietnam.

Sharing progress on developing a SaaS AI demo app for a Bubble course, focusing on Prompt Engineering - the technique of writing effective prompts for AI. The author introduces the standard prompt structure with 6 parts: Persona, Context, Task, Format, Examplar, and Tone, along with the idea and mockup for an app helping users write better prompts, solving a problem many people face when using AI.

A comprehensive Q&A about Generative AI, covering effective prompt writing techniques, ways to make money with AI, alternative platforms to Claude AI, the cost of training large models, and important concepts like BERT, pre-trained models, and related ethical issues.

Reflecting on the challenges of self-learning versus learning with teachers, and the importance of having mentors and persistence in mastering any skill.

Sharing experiences and perspectives on skateboarding as a way to train willpower and face challenges, helping readers understand the spirit of resilience and persistence in life, from skateboarding to important life decisions.

Detailed walkthrough of validating a startup idea using no-code tools, from building an MVP to achieving $567 in revenue within 3 weeks, helping readers understand market approach and product building.

Analyzing the psychological and practical barriers that make many people hesitant to blog, from choosing which language to write in to selecting the right platform.

A detailed review of the 'Software Product Management' Specialization by University of Alberta on Coursera, covering 6 courses about software product management from basics to advanced topics.

A fresh perspective on choosing university majors - not just based on job potential or salary, but more importantly understanding personal passions and interests. This post analyzes core questions students should ask themselves, along with practical advice about trial and error, self-discovery, and the importance of daring to change when you realize you've chosen wrong.

A detailed guide on converting a blog from WordPress to a static website to optimize performance and focus on writing content, helping bloggers save time and money, from choosing the platform to deployment and efficient blog maintenance.

Analyzing the difference between ideas and reality when executing projects, helping readers better understand the process of turning ideas into reality and the challenges they face.

Life philosophy from Stoicism through Ryan Holiday's book Daily Stoic - an effective tool for dealing with stress, work pressure, and life challenges. Learn how to apply this ancient philosophy to modern life!

Discover how to design disability-friendly websites in this first part of the web accessibility series. This post introduces WCAG (Web Content Accessibility Guidelines), accessible design principles, and the importance of ensuring web content is accessible to all users.

Detailed guide on using Workflowy to manage and organize blog writing ideas effectively, helping writers always have topics and inspiration to write, from saving ideas to planning and completing posts.

Analyzing Udemy's disadvantages and the requirements needed to build an independent online learning platform.

Real experience of a QA transitioning to interview for a Business Analyst position, along with lessons and advice for beginners.

Analyzing the personalization trend in online learning and its potential to solve current problems like high dropout rates. This post shares real experiences from both teacher and student perspectives, proposing solutions to improve learning effectiveness through personalization technology.

Analyzing trends and challenges for marketplace startups, from a technology and business model perspective, helping readers understand the potential and risks of this model.

Real interview experience for QC positions at various companies, including the process, questions asked, and advice for candidates looking to break into Quality Control.

This article explores advanced features of the JavaScript Console beyond simple console.log. The author introduces useful methods like console.table for displaying data in table format, and ways to format and organize logs for more effective debugging during web development.

Review of two works by Dang Hoang Giang with critical perspectives on hot social issues. This post analyzes how the author uses satirical writing style to promote critical thinking, while sharing personal reflections on the value of these two books.

An analysis of the E-Commerce field and whether someone who doesn't like Math is suitable for it. I explain the various aspects of this major, related courses, and career opportunities after graduation like programmer, digital marketing, product manager, and many other positions in e-commerce companies.

Sharing my 3-year teaching experience on Udemy with an impressive number - 357,093 minutes of students watching my videos (equivalent to 250 days). The post reflects on the benefits of creating online courses: developing curriculum skills, marketing, video recording and editing, presentation, and sales.

Detailed explanation of Upsell, Downsell, and Cross-sell concepts in marketing, how they work and real-world applications in business, helping readers understand revenue-increasing strategies.

Sharing experiences and lessons from famous developers about blogging and knowledge sharing, helping readers understand how to build personal brands and develop skills in the tech industry through writing.

Detailed guide on choosing the right Mac to learn iOS programming, from premium options to budget solutions for beginners. This post answers the common question 'Can I learn iOS without a Mac?' and offers practical suggestions on specs and models suitable for every budget so you can start your iOS development journey.

A clear explanation of four fundamental relationships in object-oriented programming - Association, Aggregation, Composition, and Dependency with concrete Swift examples. Understanding these concepts will help you design software more professionally!

An article explaining the Insertion Sort algorithm implemented in Swift in an easy-to-understand, memorable way - not like textbooks.

This article introduces Promise - an important concept in ES6 widely used in modern JavaScript frameworks and libraries. I share a series of 11 videos explaining Promise in detail, from basic to advanced, helping learners master asynchronous handling in JavaScript.

This post introduces and reviews the Elsa Speak app - an English pronunciation learning tool using AI. I share my personal experience with features like the entry test, specific pronunciation error analysis, and compare it with traditional methods like finding native speakers on Italki, while discussing the pricing and effectiveness of the app.

An introduction to deeplearning.ai - Professor Andrew Ng's latest project with a breakthrough Deep Learning course following the success of his Machine Learning course with nearly 2 million students. A great opportunity to catch up with the technology shaping the future!

A comprehensive look at iteration methods in JavaScript from basic to advanced: traditional for, forEach, map, filter, and more. This post clearly explains each syntax with practical examples to help developers optimize their code.

Compilation and review of the best Vietnamese programming learning platforms today. This post introduces Techmaster, CodersX, Viblo and many other sources in detail, helping learners easily access programming knowledge in their native language.

Sharing the challenges and solutions when you've learned to code but don't know what to build next, helping readers find direction for their learning journey and skill development.

This article introduces the Advanced JavaScript course, explaining why JavaScript is worth learning with its wide applications from web and mobile to IoT. I analyze the difficulties when learning JavaScript and the effective approach, focusing on understanding the language's essence rather than learning multiple frameworks or related technologies simultaneously.

Easy-to-understand explanation about NodeJS in Q&A format, helping beginners familiarize with concepts like JavaScript engine, event-driven, non-blocking I/O and package ecosystem.

Understanding the differences between var, let and const in JavaScript ES6, how block scope works, and the rules for using each declaration

Learn about Scope Chain in JavaScript, how Outer Environment works and how variables are searched across Execution Contexts

Sharing the importance of reading official documentation when learning new technologies instead of just relying on video tutorials. I analyze the habit of being lazy about reading docs, the difference between good and bad documentation, the common 'give me resources' phenomenon in the programming community, and encourage reading original docs to deeply understand technology.

Learn about Execution Stack in JavaScript, how Execution Context and Variable Environment work

This article explains the hoisting phenomenon in JavaScript - how JavaScript handles variable and function declarations during code execution. I analyze in detail the Creation Phase and Execution Phase stages, while providing illustrative examples to help readers understand how JavaScript moves declarations to the top of the scope before execution.

This article explains the Global Execution Context in JavaScript, how it creates the Global Object and the this variable. I demonstrate how to run JavaScript code in a browser, analyze how the Global Object is created as window in the browser environment, and the differences when running in other environments like NodeJS.

This article explains two foundational concepts in JavaScript: Name-Value Pair and Object. I present definitions, how they work, and the importance of these concepts in understanding JavaScript data structures, while providing visual examples for easy comprehension.

This article explains foundational concepts in JavaScript like Syntax Parser, Execution Context, and Lexical Environment. I analyze the importance of understanding these terms to master how JavaScript works, while providing examples illustrating how browsers process source code.

A detailed review of Italki.com from an actual learner's experience, including platform pros and cons, and tips for choosing the right teacher - like checking teaching history, student reviews, and teaching schedules to find the best native speakers for English speaking practice.

Analysis of the psychology behind the common 'can I do this?' question in programming communities. This post explains why this is an ineffective question, reflecting a mindset of avoiding challenges and lacking confidence. Instead of asking 'can I do this?', learners should focus on experimenting, learning from failure, and developing proactive learning attitudes.

Learn about memory management in Swift, the difference between Stack and Heap, Value Types and Reference Types

Discover 5 golden tips to overcome the initial barriers when learning programming - from continuous practice to teaching others, all proven strategies!

This article, excerpted from the book 'Programming for Everyone with Swift,' introduces the basic technical knowledge needed to develop software. I present the importance of programming languages, IDE, libraries, frameworks, and platforms in the process of learning and building software.

Sharing about the difficulties of self-learning programming and calling on the community to write quality Vietnamese programming books suitable for beginners.

Sharing the Swift and iOS learning roadmap from basic to advanced based on my actual experience. Content includes quality learning resources like books, online courses from Devslopes, Ray Wenderlich and Apple, along with advice on effective approaches for beginners.

Introducing the prevalence and versatility of JavaScript in modern technology. From frontend web development, backend with Node.js, mobile apps with React Native, desktop with Electron, to IoT. I share about JavaScript's flexibility and why it's become the most widely used programming language today.

A detailed walkthrough of learning and exploring React Native, from setting up the environment to building real applications, helping readers understand how to approach and develop mobile apps with this framework.

This article reviews two Java specialization programs on Coursera from Duke University and the University of California, San Diego. I compare the content, approach, and benefits of each course, while also sharing my experience with applying for financial aid on the platform.

Explaining the concept of Big O in programming through hilarious and easy-to-understand examples from love stories to transferring movies. This post helps you master algorithm complexity with a fun approach, from O(1), O(log n), O(n) to O(n^2) without needing advanced math.

An analysis of why a college degree is still very important in IT, from providing a solid foundation of knowledge, networking and internship opportunities, to facilitating job searches, further education, and long-term career development in the tech industry.

A step-by-step programming learning roadmap for beginners, from learning English, basic programming, OOP, data structures and algorithms, to GUI programming and databases. I share personal experience and practical advice for those feeling confused about choosing a direction in IT.

Detailed analysis of Swift's future, comparing syntax with Objective-C and exploring potential application areas, helping readers understand Swift's development potential in the Apple ecosystem and other platforms.

A detailed analysis of the benefits of maintaining a personal blog, from learning new skills, improving writing ability, to creating career opportunities and building personal brand, helping readers understand the importance of blogging in career and personal life.

Sharing my personal experience with learning math in university, from the difficulties understanding the essence of mathematical concepts to finding effective learning methods through online courses. I emphasize the importance of inspiration and motivation in teaching and learning math.

Review of 'Moonwalking with Einstein' by Joshua Foer - a journey exploring the art and science of memory, from the perspective of a journalist who participated in the USA Memory Championship.

Evaluating the Udemy online learning platform, focusing on practical and project-based programming courses. Analyzing Udemy's advantages over Coursera and Pluralsight, especially providing hands-on knowledge, latest technologies, and ability to create complete products from the start, suitable for beginners.

This post analyzes the two biggest challenges when learning to code: doubting whether you chose the right major and struggling to grasp new concepts like functions, pointers, and algorithms. I share practical solutions from my 2 years of learning experience to help beginners overcome these early hurdles and develop effective programming skills.

Introducing the Top-bottom-up approach for effective programming learning, combining big-picture thinking with diving into details, suitable for beginners.

A detailed guide on methods to find native speakers for online English speaking practice. The post introduces three main approaches: joining learning groups on Paltalk, using the language exchange site italki.com, and hiring native teachers. The author shares personal experiences, tips for choosing the right teacher, and interesting topics for conversations with native speakers.

A detailed review of the Pluralsight online learning platform, focusing on .NET courses, user interface, and value for money compared to the knowledge gained.

An analysis of the nature of advice and those who give it. The author argues that advice often reflects the advisor's personal views rather than being suitable for the recipient's circumstances. Through examining contradictory proverbs and real-world examples, this post encourages readers to listen to themselves and make their own decisions instead of depending on advice from others.

A tutorial on developing a duck shooting game with Unity3D version 5.3, part of my project-based Unity3D tutorial series. I'll introduce how to use Unity's physics system, create game objects, and program gameplay similar to airplane shooter games.

A detailed guide on how to apply for financial aid on Coursera. I share my personal experience and tips for effectively answering the three important questions in the application, helping learners access quality courses for free and earn certificates.

Detailed review of Coursera - an online learning platform partnered with the world's top universities, providing high-quality courses across many fields from basic to advanced programming.

This article discusses the challenge of choosing which technology to learn in IT with its diversity and rapid changes. I share my personal experience of falling into the 'Search Maze' when looking for direction, and offer advice on effective approaches to professional development.

A detailed explanation of the difference between two input handling functions in Unity3D: Input.GetAxis and Input.GetAxisRaw, helping readers understand proper usage for different game types.

Real experience learning the Algorithm Specialization on Coursera - from greedy algorithms to dynamic programming. This post shares details about course structure, teaching quality, exercise system, and how to apply for financial aid to learn for free. An ideal choice for those wanting to learn algorithms systematically from top instructors.

A detailed explanation of cloud computing service models IaaS, PaaS, SaaS and BaaS, with concrete examples for each type. Helping readers understand the differences between these models and choose the right one when developing web applications.

Real experience and valuable lessons from creating an online programming course on Udemy, from preparing content to recording videos and interacting with students.

An analysis of the 'Locus of Control' (LOC) concept - the distinction between things we can control and things we cannot. The author argues that reading news is often a waste of time because 99% of news relates to events beyond our control, and encourages readers to focus on activities that are more beneficial to themselves.

The opening post in a clean code series, focusing on the art of naming variables, functions, and parameters. I analyze common mistakes like cryptic names, outdated data type prefixes, overly long names, and mixed language naming. Plus, a quick guide on using Visual Studio's Refactor feature to rename things efficiently.

An introduction to E-Myth Revisited - a book analyzing why small businesses fail. The author shares real examples of sales innovation and the story of Sarah - a woman who started a bakery and faced many challenges. The book uses specific, easy-to-understand situations and provides valuable lessons.

My journey and valuable lessons after one year of learning to code, from initial struggles to building real applications and shaping my career path.

Review of '8 Traits Successful People Have in Common' - a study of 8 common traits of successful people based on interviews with 500 of the world's most accomplished individuals from various fields.

A detailed explanation of how to use the [System.Serializable] attribute in Unity to display classes and properties in the Inspector, helping developers easily customize values and manage data in games.

Analysis of pros and cons of learning programming at training centers, based on real experience. Comparing differences between university knowledge and training centers, from practical content to investment costs.

Basic guide on declaring and using variables in Unity to display and adjust values through the Inspector. This post clearly explains the benefits during game development, helping you test and adjust parameters without modifying code.

Detailed guide on using Preply to find foreign teachers for learning English, from registration to effective communication, helping readers understand how to leverage technology to improve English speaking skills.

Review of 'The Miracle Morning' by Hal Elrod, introducing the method of waking up early and practicing S.A.V.E.R.S (Silence, Affirmations, Visualization, Exercise, Reading, Scribing) to improve your life. The author shares personal experiences applying this method and the benefits it brings for personal development.

This article provides basic guidance on how to create and use scripts in Unity. I explain the role of scripts as the 'brain' controlling other components, how to create new scripts, and important functions like Start() and Update() with practical examples on controlling objects in games.

Sharing my thoughts on teaching knowledge you've just learned to others, based on my personal experience making programming tutorial videos. I analyze the benefits of sharing knowledge as a way to review, improve presentation skills, and give learners access to different perspectives. This is not just about helping others but also an effective method for self-development.

A guide to upgrading the number guessing game from console to graphical interface with Unity UI. The article presents steps for creating a project, saving scenes, adding UI Text, and customizing Buttons - helping learners get familiar with user interface components in Unity.

A detailed guide on creating a simple number guessing game in Unity 5, suitable for programming beginners. The article introduces the Unity interface and how to print information to the console, helping learners grasp basic concepts in game development.

Sharing experience and important criteria for choosing the right teacher on the Italki platform, helping optimize your online English learning process.

This article shares my experience learning English online with native speakers through the italki platform, which helped improve my communication skills, pronunciation, and cultural knowledge. I also share tips on preparing ideas before lessons to optimize time and cost, and introduce learning opportunities for those who don't have access to foreigners in person.

An analysis of whether learning English through movies is effective, with reasons like exposure to real language, natural pronunciation, and vocabulary in context. I share my personal experience and evaluate this method compared to traditional textbook learning.

Guide on finding foreigners to practice speaking English, introducing platforms like Paltalk with 24/7 online learning rooms managed by Vietnamese people in America. The author explains the importance of practicing with native speakers to overcome fear and improve listening and speaking skills.

An introduction to the importance of the 3000 most common English words, which can help learners understand 95% of English content in everyday situations.

An introduction to the 570 important academic vocabulary words, which make up 10% of TOEFL, IELTS, and scientific research texts, helping readers understand the importance of academic vocabulary in conquering specialized English.

Introducing The Longman Vocabulary Checker - a tool that helps English learners categorize and prioritize vocabulary by usage frequency. I'll show you how to use this tool to analyze texts and identify which words to focus on first, instead of wasting time on rarely-used words.

An effective English vocabulary learning method that combines words, images, sounds, and actions to activate both brain hemispheres, helping you memorize quickly and retain longer.

Introducing two free websites that help correct English writing: Lang-8.Com and essayforum.com with their unique advantages.

An introduction and comparison of two reputable online English learning websites in Vietnam: HelloChao.Vn and TiengAnh123.com, analyzing the features and learning methods of each platform.

A guide to effectively learning English with Flashcards, introducing the science behind this method and sharing my personal experience of learning 300 phrasal verbs in one month. Includes specific steps for creating and using flashcards for vocabulary learning.

Comparing two effective vocabulary learning platforms using flashcards: Memrise.com (free with a rich learning community) and Blueup.vn (Vietnamese platform with lively flashcards).