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Let's meet Volodymyr Sydorenko, CEO at Gearheart team

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Explore best practices for designing RESTful APIs. Elevate your API development skills with insights from this informative article. Dive in now

Dive into our guide to RESTful API best practices

5 Best Practices of RESTful API Design to Keep Your Users Happy

Top 5 Restful API Design Best Practices | Gearheart

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Having HIPAA compliance software is a required practice for all healthcare organizations by the U.S. government. Here’s a development checklist for securing your data.

Checklist for HIPAA Compliance Software Development

HIPAA Compliance Software Development [Checklist for 2021]

Sandy Orange

We reviewed the best payment gateways in 2020. Here’s our comparison of their features, advantages, and disadvantages.

5 Best Payment Gateways For 2020

5 Best Payment Gateways For 2020 [Providers Comparison]

Learn how to work with legacy code and employ code refactoring techniques effectively. Gain insights into improving existing software in this article

In this article we'll review general approach to working with the best kind of projects - the ones with old untested and undocumented spaghetti code and a tight schedule. We'll review anger management techniques, coping mechanisms and some refactoring tips that might come in handy.

How to Work With Legacy Code: Code Refactoring Techniques

Tips on working with the legacy code: Gearheart’s tips

Learn how to build a cloud-based leads management system for universities. Gain insights into enhancing student recruitment in this article.

Lead management is an important part of the marketing strategy of every company of any size. Besides automating various business processes, privately-held organizations should consider implementing an IT solution that would help them manage their leads. So, how should you make a web-based leads management system for a University in order to significantly increase sales?

How to Build a Cloud-Based Leads Management System for Universities

Learn to generate PDF files in Python using xhtml2pdf, WeasyPrint, or Unoconv. Gain insights into various techniques in this article. Dive in now.

Programmatic generation of PDF files is a frequent task when developing applications that can export reports, bills, or questionnaires. In this article, we will consider three common tools for creating PDFs, including their installation and converting principles.

How to Generate PDF Files in Python with Xhtml2pdf, WeasyPrint or Unoconv

Learn how to develop a convenient workout planning platform. Enhance fitness management with insights from this informative article

Are you a sports enthusiast, or maybe you own a gym? Do you want to build a custom workout tracking software solution for your needs and the needs of your clients? If you do, you are on the right track.

How to Build a Handy Workout Planning Platform?

Discover how to create a valuable workout tracking software. Learn development insights and craft a practical solution for fitness enthusiasts.

Workout Tracking Software: How To Develop Useful Solution?

Learn to create a classroom scheduling app. Enhance educational management with insights from this informative article. Dive into development now

This article will tell about the development of a course scheduling application which would incorporate some new ideas.

How to Develop a Classroom Scheduling Application

Learn to develop a run tracker akin to Runkeeper. Gain insights on implementation in this informative article. Dive into the details now

In this article we will tell how to create a good application for runners, which can become an analogue of RunKeeper.

How to Build a Run Tracker Like a Runkeeper?

How to Build a Run Tracker Like a Runkeeper? | Gearheart’s tips

Explore a performance comparison: Ruby on Rails vs. Django. Make informed development choices based on insights into their capabilities.

This article is aimed for beginners, who are trying to choose between Ruby on Rails and Django. Let’s see which is fastest and why.

Django vs Rails Performance

Ruby on Rails vs Django Performance Comparison

Explore the reasons to develop custom software for auto dealerships. Gain insights into optimizing automotive operations in this article

Auto dealership along with autopart trading and car service has always been a very competitive field. Especially these days companies have to use all possible and affordable ways to stay afloat. But to be a successful company auto dealer should not just move forward but accelerate this movement.

Reasons to develop custom software for Auto Dealer

In this article, we will compare two most popular JS Libraries (Angular vs React). Both of them were created by professionals and have been used in famous big projects.

Angular vs React Comparison

Angular vs React. How to Choose a Front-end Library?

Explore how Gearheart meets project estimations. Gain insights into their methods and processes in this informative article. Dive in now

One of the things we are proud about is our estimation process. Partners and clients regularly ask how we do those and how we manage to meet our deadlines, so I decided to describe our simple recipe.

How we meet our estimations

How we meet our estimations: tips from the Gearheart experts

Bronze

Quite often we have to write paginated or filtered blocks of information on page. I created a decorator that would automate this process.

Ajax blocks in Django

Ajax blocks in Django: tips from the Gearheart experts

Explore sprite cache invalidation and its importance in web development. Gain insights into this crucial topic in this article. Dive in now.

When we use css-sprites it's important to make browser cache them for longest period possible. On other hand, we need to refresh them when they are updated. This is especially visible when all icons are stored in single sprite. When it's outdated - entire site becomes ugly. 

Sprite cache invalidation

Sprite cache invalidation: tips from the Gearheart experts

I've created this small sprite to create css sprites. It glues images from directory directory into single file and generates corresponding css.

Css sprite generation

Css sprite generation: tips from the Gearheart experts

In this article, we will tell about Char search in Emacs as in Vim. 
Recommendations from the senior developer

In VIM there is a command for char search: f. After first use it can be repeated with ;. I like to navigate in line with it. You see that you need to go to bracket in a middle of a line - you press f( and one-two ; and you are there. There's no such command in Emacs, so I had to write my own. I've managed even to implement repetition with ;.

Char search in Emacs as in Vim

Char search in Emacs as in Vim: tips from the Gearheart experts

Discover testing authentication in Django. Explore strategies for secure user authentication. Enhance your app's reliability.

In order to check if user is authentcated in test, you can run: 

Testing authentication in Django

Testing authentication in Django: tips from the Gearheart experts

Learn how to use "OR" and "AND" queries efficiently in Django without using database models Q. Enhance your query-building skills. Dive in now. 

OR and AND without django.db.models.Q

OR and AND without django.db.models.Q: Tips from Gearheart expert

Uncover insights on leveraging dynamic class generation and QuerySetManager for related fields in Django. Enhance your skills. Read on! 

It appears that not everyone knows that in python you can create classes dynamically without metaclasses. I'll show an example of how to do it.So we've learned how to use custom QuerySet to chain requests:Article.objects.old().public()Now we need to make it work for related objects:user.articles.old().public()This is done using use_for_related_fields, but it needs a little trick.

Dynamic class generation, QuerySetManager and use_for_related_fields

Discover the power of overriding QuerySets in Django. Learn how to customize database queries for improved application efficiency. Explore more now

As you know, model managers can be overriden in Django. It's convenient to add custom filtration method. 

Overriding QuerySet in Django

Overriding QuerySet in Django: tips from the Gearheart experts

Explore Twitter API integration using OAuth and decorators in Django. Elevate your web app's capabilities with this informative article. Dive in now

In my current project I had a task to use twitter API. Twitter uses OAuth for authentication, which is pretty dreary. To avoid fiddling with it all the time, I've moved authentication to decorator. If key is available - nothing happens, just view is launched as usual. It's convenient that there's no need for additional twitter settings in user profile. Code is in article.

Twitter API, OAuth and decorators

Twitter API, OAuth and decorators: tips from the Gearheart experts

In this article, we will tell about Supplementing settings in settings_local.
Recommendations from the senior developer. 

For local project settings, I use old trick with settings_local file:try:from settings_local import \*except ImportError:passSo in settings_local.py we can override variables from settings.py. I didn't know how to supplement them. For example how to add line to INSTALLED_APPS without copying whole list.Yesterday I finally understood that I can import settings from settings_local:# settings_local.pyfrom settings import \*INSTALLED_APPS += (# ...)

Supplementing settings in settings_local

Supplementing settings in settings_local: tips from the Gearheart experts

Explore effective AJAX form validation techniques. Enhance user experience by validating forms dynamically. Learn how in this insightful article. 

There was a task to submit form with ajax, with server side validation of course. Obvious solution is to do validation and return json with erros. I didn't like idea of writing separate view for validation and then inserting errors in form html on client side. Especially since I already had a generic template for django form with errors display. In this article I'll describe how I solved the task.

Ajax form validation

Ajax form validation: tips from the Gearheart experts

Learn effective Django techniques for composing multiple views. Elevate your web development skills by creating dynamic and interactive applications.

In UNIX way, each view should solve single task. This is good idea, but sometimes we need to mix logic of different views on same page. Filter, sort, paginate, or, for example, add comment on product page. In this article I'll show how we can mix such multiple views.

Composing multiple views in Django

Composing multiple views in Django: tips from the Gearheart experts

Uncover the importance of incorporating business logic in Django models. Learn how to enhance application functionality with this insightful article

In my recent project there was a lot of data business logic, so I had to organize this code somehow. In this article I'll describe a few hints on how to it.

Business logic in models

Business logic in models: tips from the Gearheart experts

Learn how to create user profiles with inheritance in Django. Gain insights into effective user data management in this article. Dive into details now

Usually users' profiles are stored in single model. When there are multiple user types, separation is made by some field like user_type.Situation is a little more complicated when different data is needed for each user type.In this article I'll describe how I solve this task.

User profiles with inheritance in Django

User profiles with inheritance in Django: Tips from Gearheart experts

Learn how to create absolute URLs in Django models for better navigation. Enhance user experience by implementing this technique. Explore the article

Everybody knows about permalink, but it's usually used only in get_absolute_url. I prefer to use it for all related model urls.class Event(models.Model):# ...@models.permalinkdef edit_url(self):return ('event_edit', (self.pk, ))And then in template:<a href="{{ event.edit_url }}">Редактировать событие</a>

Absolute urls in models

Absolute urls in models: tips from the Gearheart experts

Olivia

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Django

Python

PostgreSQL

Angular

Sass

Financial Project Management System (PMS) for Brokers | Gearheart

Project management and time tracking system

Timer

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Building Project Management System PMS, Time Tracking | Gearheart

Online and offline media monitoring system

LOOQME (LookSMI)

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Mongodb

Solr

Media Monitoring System, SaaS Development | Gearheart

Transpose

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Creating No-Code Project Management System (PMS) | Gearheart

WELLCASTER

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Developing a Health and Fitness platform | Gearheart

H.M.Cole

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Typescript

Creating Custom Clothing Platform for e-Commerce | Gearheart

ShootQ

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Building Photography Management CRM Software | Gearheart

SmartSuite

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React

ElasticSearch

Cypress

Building No-Code Platform, Work Management App | Gearheart

SmartSuite history through the eyes of the client

WHEN I WAS 12, MY FATHER BOUGHT ME MY FIRST BOOK ON PROGRAMMING. I'VE BEEN HOOKED EVER SINCE.

Volodymyr Sydorenko

find Volodymyr on:

WHEN I WAS 12, MY FATHER BOUGHT ME MY FIRST BOOK ON PROGRAMMING. I'VE BEEN HOOKED EVER SINCE.

These are some of Volodymyr’s projects

Work Management Platform

Photography Management CRM Software

No-Code Project Management Tool

Financial Operations Automation Platform

Project management and time tracking system

Online and offline media monitoring system

Custom clothing website

Health and Fitness platform