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ALEXANDER BELETSKY'S DEVELOPMENT BLOG


MY PROFESSION IS ENGINEERING

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 * About me

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YOUR FIRST STEPS IN A FRONT-END DEVELOPER CAREER

Oct 5th, 2018
advice, career,, front-end,, javascript,

A couple of weeks ago, I’ve been contacted by a friend of mine, who is just
starting his career as a front-end developer.

It’s very typical when a start of the journey is frustrating, and there is
nothing better than the advice from the people who already been there.

I never thought about that question carefully, but I formulated something quick
for him. But later I decided to elaborate on it and share it with a bigger
audience.

Continue reading →


REDUX FOR BETTER IN-APP ANALYTICS

Jul 1st, 2016
analytics, javascript, react, redux

Lean startup, the term coined by Eric Ries, affected the way we build new
products and services. Essentially, it says that every business idea has to be
turned to a series of testable hypotheses. Based on these hypotheses we build or
introduce the changes to existing products. Those changes have to be measurable,
so we collect the results of actions we did. Based on results we prove or
disapprove particular hypothesis. During the cycle, we derive learnings, these
learnings give a foundation for a next Build-Measure-Learn cycle.

Continue reading →


HIGHER ORDER COMPONENTS: THEORY AND PRACTICE

May 7th, 2016
react, redux

What I enjoy the most working with React.js is its functional approach for
building UI’s. Everything you see on a screen is essentially a component.
Components are composed of other components, making complex interfaces possible.

Higher-order components concept goes back to higher-order functions, functional
programming concept, describing the function that takes other function(s) and
returns a function. In exactly the same way, higher-order component takes
another component(s) and return a component.

Where might it be useful? Let’s consider a few practical cases.

Continue reading →


THE FUNCTIONAL APPROACH TO UI

Apr 3rd, 2016
javascript, react, redux

A state is a representation of a system in a given time. Traditionally, we deal
with mutable state storages, like SQL and NoSQL databases.

Each update destroys previous value, there is no history what value had been
stored a minute ago, an hour ago or 5 years ago.

Continue reading →


LIKEASTORE IS SHUTTING DOWN

Feb 18th, 2016
likeastore

In July 2013, we’ve launched Likeastore. We wanted to solve one problem – keep
content that caught your attention in one place. To make it happen we’ve built a
solution that synchronizes favorited items from different social networks with a
beautiful dashboard and browser extension to provide great search experience.

Continue reading →


JUMPSTART TO REACT+REDUX DEVELOPMENT

Feb 10th, 2016
javascript, react,, redux,

Somewhere November 2015, we realized that our existing product requires a proper
update since it remained in a beta phase, for quite some time. We were thinking,
what would be the best approach to take?

There are many things you need to consider, but primarily – business and
technological risks. For companies, with an established customers base, value
proposition and product, taking a risk of a massive rewrite is always very high.
For startups, speed to market and responsiveness to change is a priority, so
they are pivoting and rewriting products from scratch.

Continue reading →


NPM FOR EVERYTHING

Apr 2nd, 2015
backend, frontend, javascript, npm

JS ecosystem is famous for it’s wide range of packages and tools. Besides the
default package manager, which comes with Node.js – NPM (node package manager),
there are Bower.js, Jam.js and many more.

For a quite long period, my default setup was like – NPM for all server-side
components and Bower.js for client-side stuff. It worked quite good together,
especially in conjunction with Require.js.

But recently, I switched to NPM only setup. That allowed me to use CommonJS
style both front and back ends and got rid of task runners as Grunt and Gulp.

Continue reading →


CONFIGURING FRONT-END APPLICATIONS

Jan 29th, 2015
angularjs, browserify, frontend, javascript

Typically front-end applications have particular configuration, depending on
environment. It could be access tokens, API URL’s, applications settings etc.
For quite long period of time I solved that problem by exposing window.env
variable, populated either by server rendering or by plugins as html-build .. or
just directly referencing <script src="config/my.env.js">, where my.env.js
needed to be updated before actual deployment.

Spending much time on backend and working with Node.js/CommonJS I liked
simplicity of config pattern and wanted to reuse that pattern on frontend. It’s
really straightforward and framework-agnostic approach.

Continue reading →


HEALTH MONITORING OF SERVICES AND DATABASES

Sep 19th, 2014
http, micro, monitoring, nodejs, service

Once you are up and running your primary job is to monitor that all your
services are in good health. If something bad happens, network issue or crashes
– you have to be notified on that as soon as possible. Hardering of the HTTP
services and databases became a one of primary activities for any startup.

There few products on market that can do that, Pingdom and New Relic probably
the most know. But they are paid and not that flexible as I want. So, I’ve
created likeastore/heartbeat that for a month or so helps me to provide quality
service.

Continue reading →


EMAIL, SMS AND PUSH NOTIFICATIONS SERVER

Aug 22nd, 2014
javascript, likeastore, nodejs, opensource

I recently came up with very convenient component – likeastore/notifier.
Notifier is easy to setup Email, SMS and Push Notifications Server. It’s been
open sourced few month, very specific to Likeastore needs, but due to great
contributions it became very generic and can be used in your projects as well.

Once you need to setup infrastructure for notifications in your application, it
will be really easy to do. It provides transport of Mandrill, Twilio, Android
and iOS push notifications.

Continue reading →
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