2024-04-05 17:00
Let's look how AI, computer vision, voice interfaces, IoT, and more cutting-edge technologies are transforming mobile app development Read More
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Here we share our knowledge, experience and out-of-the-box solutions we discover while developing custom web products, contributing to open source projects, or
2024-03-29 18:00
Quick guide on whether you need a custom UI library and how to implement it the most efficiently Read More
2024-03-22 15:00
This article will help you with writing zio tests Read More
2024-03-12 18:00
Let's look how we've switched from NoSQL to SQL database on the live project and multiplied the loading speed without interrupting the production Read More
2024-02-28 16:00
What is the difference between MaterialUI and Tailwind CSS, and which of them better suits your React project? Let's dive into comparison with a hands-on example Read More
2024-02-20 16:00
What is the ideal QA process, what activities does it involve, and what team is required? Let's look deeper at how to know your QA activities are adding value to your project Read More
2024-01-12 12:00
Let's discover how to build a serverless architecture for better scalability and easier maintainability of your project Read More
2024-01-09 15:00
This article will help you migrate a RESTful API application with Silhouette JWT authentication/authorization to Play Framework 3 using Apache Pekko Read More
2023-11-08 12:00
There are several types of business-oriented documents that are essential to have before the beginning of development. Let's have a closer look at each of them Read More
2023-09-27 16:00
Communication with the client is very influential, helping to achieve better results for the whole project. Let's look at how to establish efficient and beneficial relationships with clients… Read More
2023-06-29 14:00
A story of how our client has lost almost $25,000 developing their taxi app and a guide for you not to repeat their mistakes Read More
2022-08-30 16:00
This example will help you out with creating and describing API with jwt token authentication and role authorization using Tapir, Quill ORM, PostgreSQL, and start it as Akka-Http server Read More
2022-08-16 16:05
Things you should know as a business owner before starting developing your own software product Read More
2021-03-12 13:00
The given article can help you out with creating a RESTful API with Play Framework, Slick ORM, PostgreSQL and
Silhouette JWT authentication/authorization Read More
2020-11-23 13:45
Testing of Apache Spark pipelines can be challenging. Let's talk about possible approaches, their pros and cons,
and see how Cucumber can help you to write clean and self-documenting tests Read More
2020-04-29 17:30
Assume you have an AWS Lambda function developed with Serverless Framework, but you need to manage it with Terraform, so that you have everything in one place and can use it with other resou… Read More
2020-03-06 17:27
Big Data can help you understand the market and your clients better and provide you with insights about your business Read More
2020-01-29 15:30
Look at the road before Yarn 2 release and its new features Read More
2019-11-14 11:15
A tech advisor doesn’t just steer a startup, they also choose how to work with tech vendors. This guide will help
find the right cooperation model Read More
2019-10-28 16:15
If you need to speed up development at your early stage startup, you can’t go wrong with open-source software.
Here are 6 reasons why Read More
2019-10-15 14:30
A tech advisor sees their ideas realized in full. But how to pick a tech vendor for startup? Find out here and
delegate the work into skilled hands Read More
2019-10-01 11:00
What makes Twitter use Scala? Lightning-fast speed⚡? Or support for large-scale systems? Find out in this article Read More
2019-09-23 12:30
Scala adoption is growing with startups and tech giants like Netflix using it. See how Scala helps businesses and get
inspired for your own project Read More
2019-09-16 15:00
You can earn by utilizing your expertise as a tech advisor. We’ll show you how. From a CTO to a consultant, see how to
help others and make money Read More
2019-05-15 12:00
In this article, we review a simple option to introduce GraphQL subscriptions on WebSockets into your Scala
GraphQL API using Play 2, Sangria, and Akka Streams Read More
2019-05-02 14:30
Testing and debugging your Scala application built with GraphQL and Sangria can't be easier with our article Read More
2019-04-15 13:00
If you need to generate virtual files and want webpack to treat them as real files, you can use a special plugin Webpack Virtual Modules. Find out how you can use the plugin for your project… Read More
2019-03-26 16:00
Processing HTTP headers and cookies in a Scala and GraphQL API with Sangria is easy once you read our article Read More
2019-03-07 14:40
For a Scala and GraphQL API, proper error handling is one of the keys to successful development. And Sangria gives
us enough tools to get track and manage various errors with GraphQL querie… Read More
2019-03-01 15:00
Creating your first GraphQL server for Scala can't be easier with our article! Check out our explanation of how to
build a GraphQL API with Scala, Play, and Sangria Read More
2019-02-13 12:00
In your React application, you may need to implement infinite scroll pagination with Apollo. We explain how you can
achieve this in your application using `apollo-link-state` Read More
2019-02-05 16:00
Making pattern matching in a Scala application isn't very straightforward. In our article, we review a few ways to
handle exceptions or mitigate the problem when using pattern matching Read More
2019-02-01 16:00
Building your first Express, React, and Apollo application can be a daunting task. We make it simple by providing
an in-depth tutorial on how to build such an app Read More
2019-01-18 13:30
How do you run a Scala application built with Play 2.3 using a safe HTTPS protocol? We provide our solution in this
article Read More
2018-10-05 14:50
Your Scala applications often need to track the status of the sent emails. In this article, we’ll review how to
employ Amazon SNS to track email statuses via Amazon SES Read More
2018-09-20 14:15
You often have to create environment-specific configurations for your Play Framework applications. But how can you
manage your configurations in the best possible way? We’ll show you… Read More
2018-09-19 13:00
Implementing pagination with Slick is a common task in Scala projects. But it’s rarely obvious how to build
efficient queries on the server to get the necessary entities with addition… Read More
2017-04-03 14:42
The SysGears Team is pleased to announce the availability of PersistGraphQL Webpack Plugin
with Hot Code Reload for backend & frontend.
PersistGraphQL Webpack Plugin is a tool to gather… Read More
2017-03-09 15:55
ReactiveMongo is an extremely convenient toolkit for working
with MongoDB in Scala applications. But, at the same time, its documentation does not cover some of the typical
scenarios, so som… Read More
2017-02-23 13:15
Lift framework lacks the ability to fetch a session creation timestamp by default. This post will provide a short
example of how one can do this while working with Lift.
Note: This example… Read More
2016-11-15 08:00
The main idea for this post is to walk through the Test Design techniques to recall widely known ones,
consider all the other practices that are often left behind, and eventually get the ful… Read More
2016-09-27 11:25
The SysGears Team is pleased to announce the availability of Apollo Universal Starter Kit
with Hot Code Reload for backend & frontend.
Apollo Universal Starter Kit is an boilerplate for… Read More
2016-08-22 11:59
This post describes two approaches to implementing file download in Lift framework. Firstly, we will have a look at the
implementation that uses ResponseShortcutException described in the
Li… Read More
2016-06-08 08:55
Modal dialogs are designed to bring important pieces of information to users from any page without changing an active
routing state. It is often convenient to utilize a modal dialog that its… Read More
2016-01-06 11:01
It is often important to simultaneously show a fairly large number of elements on a web page to provide users with the
most concise information possible. In order to make all those elements… Read More
2015-12-24 13:54
Recently, I have been looking for a way to implement thread synchronization in a Grails application which is
hosted on several nodes on Rackspace. And while it's rather easy to synchronize t… Read More
2015-12-16 14:55
This note shows how to get the width and height of an image inside of an AngularJS controller with the help of ng-flow
library. First of all, you can get image dimensions by using the
Image… Read More
2015-12-10 10:50
Custom URL scheme PhoneGap Plugin is
a cool plugin for Cordova that is designed to allow to launch apps by clicking on a link in an email or on a web page.
Bellow is an example of how this p… Read More
2015-12-07 13:16
This post is the second in the series of publications about using the Apache ZooKeeper for building configuration
management solutions for a distributed system. It focuses on implementing a… Read More
2015-12-04 13:08
During drop in integration of Braintree into Angular.JS application
we have faced several surprising caveats. This was the primary reason for
current post to be born. We would like to share… Read More
2015-08-31 07:59
Let's consider the ability to limit the number of HTTP requests being handled by an application simultaneously.
For example, the throttling of HTTP requests being sent by the application co… Read More
2015-03-11 09:21
If you are, for example, working on a chat application, one of the features that the user expects is an ability to send
a message with a keyboard shortcut. The example of a directive below s… Read More
2015-03-11 08:58
Here is an example of how you can get a Base64 encoded image using the
ng-flow for the image upload, for instance,
if you need to send the image in a JSON request. As you may have noticed, n… Read More
2015-01-23 08:00
In winter 2001, seventeen friends and at the same time representatives of the different software development processes
(XP, Scrum, DSDM, Crystal, FDD, ASD and others) joined together with th… Read More
2015-01-22 10:20
Usually a data access object for MongoDB consists of common routine CRUD methods. Those methods should be
implemented, tested, maintained just like any other code. In this post, I'm going to… Read More
2015-01-22 08:30
Effective test management is an important element of a software development process. A well-planned and organized
test management can ensure that the best possible software is produced withi… Read More
2014-12-24 15:35
Dear friends!
A new year is like a blank book. The pen is in your hands. It is your chance to write a beautiful story of success
for yourself in the next year. Let the coming year bring you… Read More
2014-12-18 11:25
In this post, I am going to show how to create load tests for a REST API application with the help of Gatling 2.
This will be a step-by-step guide — starting from integrating Gatl… Read More
2014-08-20 14:15
In my previous GORM related article, "Association Types in GORM",
I have described how to create different types of relationships using Grails ORM. In this article,
I would like to talk abou… Read More
2014-08-15 14:58
One of the steps towards building a successful distributed software system is establishing effective
configuration management. It is a complex engineering process which is responsible for pl… Read More
2014-08-14 11:25
This post shows how to create Grails tag library for adding and removing identical HTML blocks, which can be used
when you want to give user an option to dynamically add extra inputs for add… Read More
2014-08-08 08:00
The primary purpose of any commercial website is to effectively sale services or products. That is where the
user experience design which includes various usability solutions comes into focu… Read More
2014-08-08 07:41
Every computer user has to deal with boring and time-consuming operations such as sending a lot of similar emails,
converting files between formats, making backups and so on. Mac OS has a ha… Read More
2014-07-24 07:20
Here you can find out how to create integration tests for RESTful service on the example of application shown in the
article "Building REST service
with Scala". To create the tests, I am goi… Read More
2014-04-18 08:00
Test cases are the key elements of testing, therefore the ability to write effective tests is one
of the most important technical skills of a quality assurance engineer.
This post covers con… Read More
2014-04-08 08:00
The modern IT marketplace of the high technologies offers the multiplicity of great solutions for software testing.
In this article we review the pros and cons of the most famous web-based t… Read More
2014-03-05 12:00
There are very few things in Grain framework that need a detailed explanation except being described in the docs.
However, there's one thing, which I really want to clarify in details for Gr… Read More
2014-03-05 07:23
Grain theme is a project that provides a layout-based skeleton for creating static websites by only adjusting the
configuration and adding a content. This post shows how to use the theme tem… Read More
2014-01-17 15:28
There's been three weeks since we made first public release of Grain and we're back to share some release news with
you. First of all, we'd like to thank to all the people, who showed intere… Read More
2013-12-31 13:38
Dear friends!
May the joy and peace of the holiday season be with you now and throughout the New Year.
It is that time of the year again, when we think about all we are grateful for. Our rel… Read More
2013-08-20 17:10
With the latest performance enhancements and great dynamic, functional and meta-programming features Groovy becomes
a very good choice not only for scripting, but also for big and complex ap… Read More
2013-08-01 12:51
Enterprise application might be developed using a variety of architectural styles. And REST is one of the most powerful
of them. It allows us to build simple, scalable, highly productive API… Read More
2013-07-19 09:03
I'm using Slick library in my project and need to ensure that all required MySQL tables are created on application
start.
The common approach of creating DDL statements for a table in Slick… Read More
2013-07-18 12:16
Slick documentation says how to perform update operation for specific column, but doesn't contain
any examples of updating entire record.
Below is tiny example of how to do that.
Let's assu… Read More
2013-06-20 07:11
This example shows how to use pagination and sorting with many-to-many relationship in Grails.
Suppose you have two domain classes: Author, Article and you want to display all articles of s… Read More
2013-06-14 14:09
When Groovy has grown up to version 2, it has gained a lot of brand new features and improvements in areas of
productivity and security. Groovy now provides the ability to statically type ch… Read More
2013-06-13 14:53
Gpars (Groovy Parallel Systems) is the best solution for your concurrency problems with mutable objects.
Gpars gives you a number of high-level abstractions for writing concurrent and parall… Read More
2013-06-13 07:22
GORM (Grails Object Relational Mapping) is a plugin integrated with Grails and based on Java ORM - Hibernate.
In this article, I'm going to describe how to make different kinds of associatio… Read More
2013-06-12 08:24
The 'mysqldump' command is used to dump databases managed by MySQL. Let's consider three the most useful cases of MySQL database dumping.
The simplest case is the whole database dumping:
1… Read More
2013-03-18 14:59
All software development teams work under time pressure, the major part of
features should be implemented the sooner the better.
QAs and testers are very curious persons and start to test s… Read More
2013-01-30 10:27
Several days ago I have a need to launch Groovlets on a web server.
I have decided to go with recent Jetty for this task, developed
by Eclipse Foundation at these days. It turned out to be n… Read More
2013-01-30 07:21
I had an issue with deploying my Grails project to Cloud Foundry with using cloudfoundry-grails-plugin.
My application was using Tomcat 7 unlike Cloud Foundry, which use Tomcat 6. In other w… Read More
2013-01-28 12:03
Do you think 'testing' and 'quality assurance' are the same things?
Do you know what's the difference between Quality Assurance, Quality Control, and Testing?
Sometimes these questions are… Read More
2013-01-25 15:29
Octopress has generation of per tag index. By default it shows only
post title. This works okay, until the moment when you will want to
customize category_index.html and try to output some e… Read More
2013-01-25 11:04
If you have a project and want to checkout specific revision (commit), you can do it as described below.
1) Clone the project:
1
2
$ git clone https://github.com//.git
$ cd 2) Use the git d… Read More
2013-01-25 07:48
Suppose you have a system with ElasticSearch server installed and need to upgrade it to a newer version. Below is a step-by-step guide explaining how you can do it, but note that it only wor… Read More
2013-01-24 11:02
Assume you have a page with pagination that displays some objects table (selected from DB with GORM criteria) in your Grails application.
If you want to know total number of possible results… Read More
2013-01-23 14:10
I had a chance to try akka-zeromq module last month in order to implement
solution for inter-service communication using Scala, Akka 2.0 and ZeroMQ.
The module is built as extension to Akka… Read More
2013-01-23 12:00
Our team is working on a Grails plugin now, which will have UI based on
Platform UI Grails plugin. Platform UI plugin allows you to easily configure
Grails applications look using different… Read More
2013-01-23 09:27
Here is a simple chat application with rooms. It uses
atmosphere plugin with latest
version of Atmosphere Framework (1.1.0-SNAPSHOT at the moment).
All sources are available on github.
Grail… Read More
2013-01-23 08:11
This code snippet shows how to update project configuration settings from a Grails plugin executable script. The
script changes the configuration by copying the settings from a default confi… Read More
2013-01-23 08:02
I've faced a problem with unit testing web flow controllers
There's an existings WebFlowUnitTestMixin for unit testing webflow in GDK,
but no word on how to use it in the latest Grails 2.2.0… Read More
2013-01-23 07:56
To create remote Git branch in IntelliJ idea one should:
Commit and push all your changes first
Create local branch by going to VCS -> Git -> Branches -> New Branch.
You can see yo… Read More
2013-01-11 10:11
Our team had a task to develop complex application for StackMob. During
the development we have faced a need to host HTML5 application on our
internal server to increase productivity of our… Read More
2012-12-31 13:38
Dear friends and colleagues!
May the New Year become the year of hope, joy, desire bold and wise decisions!
Last year was different for everyone. But the most important thing is that our co… Read More
2012-10-15 13:25
Regression testing is one of the most frequently used objectives of
testing. It focuses on the application retesting after changes are
implemented. That changes can be local, - like new feat… Read More
2012-10-09 14:51
Portlets are pluggable user interface software components that are
managed and displayed in a web portal. They produce fragments of markup
code that are aggregated into a portal.
There are t… Read More
2012-08-22 09:59
Development methodology is a framework that is used to structure,
plan, and control the development of software systems. Agile and CMMI
Waterfall methodologies are very alike and have enough… Read More
2012-04-21 14:38
Representational state transfer (REST) is a very popular architecture
for distributed hypermedia. Lots of different web services expose their
APIs in a RESTful manner. It is very convenient… Read More
2012-02-06 13:44
Hi, guys, today we’re gonna talk about the really interesting and tricky
Grails task, implementation of the custom sorting.
It’s a pretty often appearing situation, when you need… Read More
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