python

Switching languages: Funky PY

One person said to me once during my first job interview: "I don't look for C++ programmer or Javascript programmer, I'm looking for programmer. Every language has loop and such

recipe

[RECIPE]: distinct operation for array

Being web full stack developer after years of .NET work sometimes brings you to a blind alley. For example, such trivial thing as `.distinct()` function for array, which is not

recipe

[RECIPE]: array flatten and distinct in TS

I caught up myself on a thought that I have looked to a way to flatten array in TS several times this year. Probably, I had bad memory and cannot

recipe

[RECIPE]: Capitalize in CSS

There are cases when you want your text looks fine as header in browser, but you don't know if text has correct case of the first letter. It can easily

textcast

Come in here, dear boy, have a cigar

Come in and welcome to the musical textcast. Throughout my live I've been listening to the music, a lot of different kind of music. Thanks to my sister's husband, who

recipe

[RECIPE]: Check error throw in jest

Jest is something which millions of people uses everyday, a lot of questions are answered. But I keep finding something new for me every day. This is not gonna work:

article

Runtime Type Safety in Typescript

In many ways Javascript popularity during so many years is based on its relative simplicity and low entry threshold. Some programming languages substantially influenced the whole software industry. Smalltalk, for

recipe

[RECIPE]: floating rounded table rows with CSS

If your designer wants to have table rows floating one above another, with some space between, and having rounded borders, follow this: :root { --border-radius: 5px; } table { background-color: gray; border-collapse: separate;

javascript

[RECIPE]: fix vulnerable sub-dependencies in package.json

Regular Typescript or Javascript project has number of dependencies from NPM. Most of them have own dependencies, different versions of them. To see them all you can review auto generated

article

Mighty @Decorators in Typescript - what could we get out of it?

Every Angular developer has seen decorators in Typescript code. We use it to define Module (hopefully, will not use modules in future but anyway), to configure dependency injection or component

article

CQRS and Event Sourcing in backend systems

Nowadays software development is a very common thing. New apps are born every single day. You can start programming career by loading your brains with one or two related technologies

article

ngVikings 2019 takeaways

ngVikings conference is considered as one of the most technical, community friendly and interesting Angular events in Nordics. Initially founded in Copenhagen, this year it was there again. Apart from

article

Go Places in Copenhagen — northern wind, coffee, and atmosphere

Every city has its unique character, tastes of the food, breath of the wind, peoples faces, streets. Of course, at the moment globalization made a huge step to make different

article

State Management — how we do it with MobX in Mobile App

Dear readers, this material was inspired by the recently completed React Native project. The project was designed with the offline first approach in mind and we used state management from

article

Машины для Души

2018 пошел. Автопроизводители накопили уже под сотню лет активных разработок и исследований в своей области. Нынешние авто сравнимы с космическими кораблями! Что бы сказал Генри Форд, покажи ему современный Range

russian

[Jeremy Clarkson Translation] The Clarkson review: 2017 Volkswagen Golf GTI' to Russian

Говорят, он новый, но хвала небесам — это не так. Одна из проблем управления автомобильной компанией в том, что ни одно из подразделений на самом деле не завершает начатое. Что делает

article

Runtime Type Safety in Typescript (Возможна ли удобная проверка типов в рантайме)

Относительная простота и доступность Javascript, относительная легкость входа в него предопределила на многие годы вперед его популярность. Некоторые языки программирования существенно повлияли на развитие всей отрасли в целом. Так, например

article

Прикручиваем ngx-translate в Angular приложение. Практическое пошаговое руководство

Практическая пошаговая инструкция как прикрутить динамическую локализацию (возможность выбора языков) в веб приложении на Angular 4+ используя @ngx-translate/core. В принципе можно найти публикации на подобную тему, может быть достаточно

article

Мы agile или аджайл нас?

Какая главная проблема в разработке программного обеспечения (а может и вообще в любой работе)? Когда я задавал вопрос коллегам, получал разные ответы: изменения требований, несоответствия ожиданий, качество кода, взаимодействие с

javascript

[RECIPE]: draw a hole inside HTML canvas

Imaging you (for any reason) need to draw some color area of complicated form in HTML canvas, and then cut a piece of it, like a donut. There is code

javascript

[RECIPE]: Callstack in Javascript

When debugging legacy javascript code you might need to know who called this function. The simple solution for it - using Error Object, which has stack information. console.log(new

recipe

[RECIPE]: bootstrapSwitch events firing

If you by any chance still have jQuery and use things like bootstrapSwitch, you can meet this situation: When switch is setup like this $('id').bootstrapSwitch('state', true)you immediately

recipe

[RECIPE]: AWS ECS deployment and Health Checks

Recently my regular deployment of NestJS Backend API to Amazon ECS service failed without any meaningful reasons. What I see is that Docker container is taken, everything inside is executed

video

Talk at ngVikings 2019 conference in Copenhagen

Summer 2019 started for from interesting trip to Copenhagen, Denmark. I was lucky to speak at ngVkings conference there. My talk was about Angular and Bad Practices in it. Hope

recipe

[Recipe]: Save Canvas content to File on server

Save to File If you have some logic with images, drawing or blurring in javascript, you might want to save image back to server. Here is how to use toBlob