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<article id="post-5176" class="the-post post-5176 post type-post status-publish format-standard has-post-thumbnail category-pro-it tag-go tag-golang tag-programmirovanie">
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<a href="https://otus.ru/journal/category/pro-it/" class="category" data-wpel-link="internal">Про IT</a>
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<h1 class="post-title">
ТОП-6 открытых уроков онлайн-курса «Golang Developer Professional»
</h1>
<a href="https://otus.ru/journal/top-6-otkrytyh-urokov-onlajn-kursa-golang-developer-professional/" class="date-link" data-wpel-link="internal"><time class="post-date">19 декабря, 2022</time></a>
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<p class="ez-toc-title " >Содержание</p>
<span class="ez-toc-title-toggle"><a href="#" class="ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle" aria-label="Toggle Table of Content"><span class="ez-toc-js-icon-con"><span class=""><span class="eztoc-hide" style="display:none;">Toggle</span><span class="ez-toc-icon-toggle-span"><svg style="fill: #999;color:#999" xmlns="http://www.w3.org/2000/svg" class="list-377408" width="20px" height="20px" viewBox="0 0 24 24" fill="none"><path d="M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z" fill="currentColor"></path></svg><svg style="fill: #999;color:#999" class="arrow-unsorted-368013" xmlns="http://www.w3.org/2000/svg" width="10px" height="10px" viewBox="0 0 24 24" version="1.2" baseProfile="tiny"><path d="M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z"/></svg></span></span></span></a></span></div>
<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class="ez-toc-link ez-toc-heading-1" href="#%D0%A2%D0%B5%D1%81%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5_%D0%B2_Go" title="Тестирование в Go">Тестирование в Go</a></li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class="ez-toc-link ez-toc-heading-2" href="#%D0%94%D0%B6%D0%B5%D0%BD%D0%B5%D1%80%D0%B8%D0%BA%D0%B8_%D0%B2_Go" title="Дженерики в Go">Дженерики в Go</a></li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class="ez-toc-link ez-toc-heading-3" href="#%D0%93%D0%BE%D1%80%D1%83%D1%82%D0%B8%D0%BD%D1%8B_%D0%B8_%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB%D1%8B" title="Горутины и каналы">Горутины и каналы</a></li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class="ez-toc-link ez-toc-heading-4" href="#%D0%9F%D1%80%D0%B8%D0%BC%D0%B8%D1%82%D0%B8%D0%B2%D1%8B_%D1%81%D0%B8%D0%BD%D1%85%D1%80%D0%BE%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%B8" title="Примитивы синхронизации">Примитивы синхронизации</a></li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class="ez-toc-link ez-toc-heading-5" href="#%D0%A1%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D1%8B_%D1%8F%D0%B7%D1%8B%D0%BA%D0%B0_Golang" title="Структуры языка Golang">Структуры языка Golang</a></li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class="ez-toc-link ez-toc-heading-6" href="#%D0%A4%D1%83%D0%BD%D0%BA%D1%86%D0%B8%D0%B8_%D0%B8_%D0%BC%D0%B5%D1%82%D0%BE%D0%B4%D1%8B_%D0%B2_Golang" title="Функции и методы в Golang">Функции и методы в Golang</a></li></ul></nav></div>
<h2 class="wp-block-heading"><span class="ez-toc-section" id="%D0%A2%D0%B5%D1%81%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5_%D0%B2_Go"></span>Тестирование в Go<span class="ez-toc-section-end"></span></h2>
<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe title="Тестирование в Go // Демо-занятие курса «Golang Developer. Professional»" width="770" height="433" src="https://www.youtube.com/embed/jHXlyMb78q4?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div></figure>
<p>На этом открытом уроке:</p>
<ul>
<li>Рассмотрели тестирование программ на Go;</li>
<li>Поговорили про понятие табличных тестов;</li>
<li>Затронули тему пакета testing и библиотеки testify.</li>
</ul>
<hr class="wp-block-separator has-alpha-channel-opacity"/>
<h2 class="wp-block-heading"><span class="ez-toc-section" id="%D0%94%D0%B6%D0%B5%D0%BD%D0%B5%D1%80%D0%B8%D0%BA%D0%B8_%D0%B2_Go"></span>Дженерики в Go<span class="ez-toc-section-end"></span></h2>
<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe title="Дженерики в Go // Демо-занятие курса «Golang Developer. Professional»" width="770" height="433" src="https://www.youtube.com/embed/X_fL9QfWqEk?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div></figure>
<p>Разобрали, что такое «дженерики», как они нам могут помочь в ежедневных задачах, а также как они влияют на производительность и чем они лучше/хуже обычных интерфейсов.</p>
<hr class="wp-block-separator has-alpha-channel-opacity"/>
<h2 class="wp-block-heading"><span class="ez-toc-section" id="%D0%93%D0%BE%D1%80%D1%83%D1%82%D0%B8%D0%BD%D1%8B_%D0%B8_%D0%BA%D0%B0%D0%BD%D0%B0%D0%BB%D1%8B"></span>Горутины и каналы<span class="ez-toc-section-end"></span></h2>
<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe title="Демо-занятие курса «Golang Developer. Professional»" width="770" height="433" src="https://www.youtube.com/embed/jSRLb1_jOSo?feature=oembed" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div></figure>
<p>На уроке начали работу с горутинами:</p>
<ul>
<li>Узнали, что такое горутины и как их запускать;</li>
<li>Сравнили буферизированные и небуферизованные каналы;</li>
<li>Поговорили про использование каналов для передачи данных и синхронизации;</li>
<li>А также затронули оператор select и таймеры в Go.</li>
</ul>
<p>В итоге научились реализовывать передачу данных между горутинами с помощью канала.</p>
<hr class="wp-block-separator has-alpha-channel-opacity"/>
<h2 class="wp-block-heading"><span class="ez-toc-section" id="%D0%9F%D1%80%D0%B8%D0%BC%D0%B8%D1%82%D0%B8%D0%B2%D1%8B_%D1%81%D0%B8%D0%BD%D1%85%D1%80%D0%BE%D0%BD%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D0%B8"></span>Примитивы синхронизации<span class="ez-toc-section-end"></span></h2>
<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="Демо-занятие курса «Golang Developer»" width="770" height="433" src="https://www.youtube.com/embed/spEi-h9j_9M?list=PLfnFOImnyWRV7LPogMDFH5jPkCAHNL_uU" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div></figure>
<p>На этом занятии:</p>
<ul>
<li>Поговорили про группу ожидания (sync.WaitGroup);</li>
<li>Затронули гарантированно одноразовое выполнение (sync.Once);</li>
<li>Обсудили «простой» мьютекс (sync.Mutex) и детектор гонок (race detector).</li>
</ul>
<p>В результате занятия научились пользоваться частью механизмов синхронизации в Go и бороться с «гонками» в Go.</p>
<hr class="wp-block-separator has-alpha-channel-opacity"/>
<h2 class="wp-block-heading"><span class="ez-toc-section" id="%D0%A1%D1%82%D1%80%D1%83%D0%BA%D1%82%D1%83%D1%80%D1%8B_%D1%8F%D0%B7%D1%8B%D0%BA%D0%B0_Golang"></span>Структуры языка Golang<span class="ez-toc-section-end"></span></h2>
<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="Демо-занятие курса «Golang Developer. Professional»" width="770" height="433" src="https://www.youtube.com/embed/erLtZQUfOOU?list=PLfnFOImnyWRV7LPogMDFH5jPkCAHNL_uU" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div></figure>
<p>Рассмотрели следующие понятия:</p>
<ul>
<li>процесс определения структур;</li>
<li>инкапсуляция полей структуры;</li>
<li>определение методов структуры.</li>
</ul>
<p>Поговорили про вложенные и анонимные структуры, а также про структурные тэги и их использование в контексте JSON, XML и СУБД. В итоге научились создавать пользовательские типы данных и комбинировать их между собой.</p>
<hr class="wp-block-separator has-alpha-channel-opacity"/>
<h2 class="wp-block-heading"><span class="ez-toc-section" id="%D0%A4%D1%83%D0%BD%D0%BA%D1%86%D0%B8%D0%B8_%D0%B8_%D0%BC%D0%B5%D1%82%D0%BE%D0%B4%D1%8B_%D0%B2_Golang"></span>Функции и методы в Golang<span class="ez-toc-section-end"></span></h2>
<figure class="wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio"><div class="wp-block-embed__wrapper">
<iframe loading="lazy" title="Демо-занятие курса «Golang Developer Professional»" width="770" height="433" src="https://www.youtube.com/embed/hqGl88jVZsE?list=PLfnFOImnyWRV7LPogMDFH5jPkCAHNL_uU" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</div></figure>
<p>Поговорили про области видимости. Рассмотрели различные функции: именованные, анонимные, с переменным числом аргументов и пр. А также попробовали затронуть понятие замыкания и методы.</p>
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