Yegor Bugayenko
@yegor256
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I love programming; co-founder of ; co-author of ; co-creator of ; co-organizer of @iccq_ru .
Joined December 2010
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We are hiring! Check this out:
- Office in Moscow
- Java/Python/Rust/Kotlin/Go
- Open source projects
- On-site full-time employment
- Flexible office attendance mode
Text me for more details.
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David West, the author of "Object Thinking" reviewed my books today: "Yegor's books show you how to correctly and elegantly implement the object concept in code; while all other books show you how to use code to warp and corrupt the object concept."
#elegantobjects
#oop
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I was interviewing one programmer yesterday and asked him, whether he's made any open source products. The answer was: "I've got a child and a wife."
#opensource
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I'm thinking about writing a new book. Object-oriented programming for those who see the computer for the first time. Basically, to help students learn OOP the right way, from the beginning. What do you think? And what would be a good title for it?
#elegantobjects
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JetBrains just extended my open source license for all their products. Love you,
@jetbrains
!
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My 5th book Junior Objects is published. It is a crash course for junior programmers, on computing, software engineering, and object-oriented paradigm.
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A good code is not the one that works, but the one that is easy to read.
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An interview question. How fast you can solve this?
1024+512+256+128+64+32+16+8+4+2+1=?
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Sberbank programmers, you need to purchase my one-day training about object-oriented programming, urgently!
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2016 is over. 15 countries, 37 conferences, 53 presentations, 10 webinars, 51 blog posts, 2 books. Happy New Year, my friends)
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The first and most popular mistake of a code reviewer is the fear of offending an author of the code:
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Returning NULL is evil. Always. No exceptions. No excuses. If you return NULL, you are a bad programmer. Period. What do you do instead? Here is one of the options:
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Modern politics: you either agree with me or you are a victim of propaganda.
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Hey, good news! Elegant Objects vol.2 is on sale from Amazon:
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“As long as you keep your boss happy, performance really doesn’t matter that much and, by contrast, if you upset them, performance won’t save you” — Jeffrey Pfeffer
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"The biggest mistake ever was the invention of debugger-tools, where any developer can manually step through the code to find a bug. If there would be no such thing as a debugger-tool, any developer would be forced writing unit tests for bugfixing."
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This is the first draft of the contents of Elegant Objects (Volume 3). What else you would be interested to see there? I need practical use cases, which you are not sure how to implement in a pure object-oriented form. I will try to show how.
#elegantobjects
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"If you want to master something, teach it." — Richard Feynman
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My experience of working with programmers over the last years tells me that the biggest issue we have in the industry is that programmers simply can't talk.
#sociotech
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How many unit-testing anti-patterns you know? There is a list of over 25:
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Static methods, getters, setters, NULL references, annotations, ORM, MVC, and mutable objects are an absolute evil in OOP. Retweet this and I will pay you $64 (via PayPal).
#elegantobjects
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Do you have a rule for naming your object methods? I do have one: all methods are either manipulators or builders. Read on:
#elegantobjects
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Новое интервью с моим участием (спасибо Лексу за отличные вопросы и профессиональный подход)
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I'm starting to write a book for kids, about OOP and I'm thinking about using JavaScript as the main language. What do you think about this?
#javascript
#elegantobjects
#oop
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When did you talk to a recruiter last time? Check my experience, maybe it will teach you something too:
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I was speaking in front of 13-16 y.o. kids a few days ago, in IT school in Kazan (Russia). It was planned to take 45 minutes, but took two hours. It was one of the hardest sessions for me ever. Video is coming…
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How does this situation differ from what USA did to Iraq 20 years ago? What do you think are the key differences?
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Architects are proud of complexity. They think that the more complex the problem they’re working with, the better an engineer they are.
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Junior programmers are proud of the code they write. Professional ones use unit tests and static analyzers. When they become real pro they understand that the code is good only after it was reviewed by someone else, multiple times. Watch this:
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My recommendation to become a better programmer? Never study anything in an academic way, always do something real using the tech stack you want to learn.
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"There is no point in giving me binary-tree-traversing questions; I don't know those answers and will never be interested in learning them."
#recruiting
#interview
#career
#jobs
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Here is the Table of Contents of my new book for junior programmers (with a focus on object-oriented programming). What did I miss? What other important terms/topics a programmer must know?
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It is conceptually incorrect to have any methods starting with "set" or "get" in an object. And it’s not about breaking encapsulation, like many people argue. It is whether you’re thinking like an object or you’re still writing COBOL in Java syntax. =
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Here is my short list of 11 anti-patterns in OOP: Can you name one more, to make it a dozen?
#elegantobjects
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"No matter how unpleasant this is, let's face the reality: each project is a business, and we are its resources"
http://t.co/3lDbG5tDsv
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Finally,
http://t.co/dUobm4FKdx
is starting to pay remote software developers in Bitcoins, through Coinbase
#bitcoin
@coinbase
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Spring Boot framework contains 4100 Java files, 243K LoC and 7055 NULL keywords, which is one NULL per 35 lines of code. Takes Framework has 771 Java files, 154K LoC and 58 NULL keywords, which is one NULL per 2700 lines. See the difference?
#spring
#takes
#elegantobjects
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А вот и видео вчерашнего интервью/беседы с
@jbaruch
на
#jokerconf
в Санкт-Петербурге: Говорили о карьерном росте, само рекламе, книгах, конференциях, и немного о diversity.
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How many unit testing anti-patterns do you know? Check this list, I'm sure you will find something new:
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Here is what I think about complexity in software development: "The Better Architect You Are, The Simpler Your Diagrams"
#architect
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Debugging is needed when our code is procedural and algorithmic—when the code is all about how the goal should be achieved instead of what the goal is. There is no place for debugging in clean object-oriented programming. Only unit testing!
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Software engineering must be your family, your passion, your friend, and your life. Without that attitude, you will always be a slave to those who think like that. You must not work; you must have fun in front of the laptop.
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The list of my favorite tech and management books:
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I'm looking for a smart and brave software engineer (Java or Ruby) to join my team in Moscow (full-time, above-the-market salary, Fortune-100 company) and be the architect of the most interesting and experimental projects (all open source).
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I just did a simple grep through Linux kernel's code and found 177309 GOTOs, 193650 BREAKs, and 28680 CONTINUEs. The total count of lines of code is 15.2M. Just saying.
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Finally, I've met David West, the author of "Object Thinking"! I will interview him tomorrow and publish video
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I've got an email today: "I'm a Java developer; I've been fired five times because I make too many conflicts; I want to work for you guys":)
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A modern software project is much more a social activity than code writing. Knowing how to interact with the team and deal with information is much more important than knowing how to use design patterns.
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I wrote this four years ago when I had zero experience of working in a large organization. Now I do have such experience and reading this blog post again only confirms that I was right four years ago. Read it:
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Parser, Printer, Reader, Controller — what do these class names have in common and why all of them are wrong?
#elegantobjects
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I think I owe you my view about the current Ukraine situation. I'm sorry I didn't clearly express it earlier and you had to guess. Here it is. (continued)
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Mocking frameworks are evil. I'm sure you know this. What's the alternative? Fake objects:
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How to make programmers be happy with smaller salaries? Brainwash them regularly by communicating how great your company is, how big its mission is, and how important their contribution is.
#sarcasm
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Интервью со мной опубликовано на YouTube канале
#ProBlog
. Не могу сказать, что я доволен всем, что там сказал, но старался говорить откровенно:
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They arrived! If you want to buy one directly from me, ping me in Telegram:
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The first thing I check in a new repo, in order to understand its quality of design, is the presence of "utils" directory...
#elegantobjects
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Trying to learn Rust... so far it looks like a killer of C++ and I like it
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I just released a small Rust library that implements a hash map but without hashing and without the use of heap. Thanks to this, it is five times (!) faster than standard HashMap. Check it out:
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Do you remember that an empty line inside your method body is a code smell?
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Code Ahead is my
#book
about software engineering. It may help you look at the dynamics of team work in a software project, from a different perspective. Buy it:
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