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Deepstream: an Open-source Server for Building Realtime Apps

Deepstream: A Scalable Open-Source Realtime Server for Effortless App Development Building real-time applications can be complex. Deepstream, an open-source server, simplifies this process by providing robust tools for data synchronization, request-

Feb 18, 2025 pm 01:11 PM

4 Clever Psychology Rules for Making Better UX Decisions

A study by the Missouri University of Technology shows that more than 94% of users’ first impressions of a website are related to design. The study also shows that up to 88% of users will not visit again due to website availability issues. If you think designing a website only requires good technical and aesthetic skills, you're a big mistake. While aesthetics are important (2016 after all!), it is not the only factor in the success of the website, or even the most important factor. Usability is crucial, when designing a website, keep the following psychological principles in mind to create a stronger website. Key Points Context is crucial in UX design. Don’t break the established user experience model for innovation. Due to repeated exposure to these elements, users expect certain elements to appear in specific positions

Feb 18, 2025 pm 01:06 PM

Using JOINs in MongoDB NoSQL Databases

Core points MongoDB, a NoSQL database, introduced a new $lookup operator in version 3.2, which can perform LEFT-OUTER-JOIN-like operations on two or more sets, thereby achieving data management similar to relational databases. However, this operator is limited to use in aggregate operations, which are more complex and usually slower than simple lookup queries. MongoDB's $lookup operator requires four parameters: localField (the search field in the input document), from (the collection to be connected), foreignField (the field to be found in the from collection), and as (the name of the output field). This operator can be used for clustering

Feb 18, 2025 pm 12:59 PM

Data Serialization Comparison: JSON, YAML, BSON, MessagePack

The actual standard for network data exchange is JSON (JavaScript object notation), but it also has disadvantages, and in some cases other formats may be more applicable. This article will compare the advantages and disadvantages of various alternatives, including ease of use and performance. Note: This article will not go into implementation details in detail, but if you are a Ruby programmer, please check out this article written by Dhaivat, which describes ways to implement some serialization formats in Ruby. Key Points JSON (JavaScript object notation) is the most widely used format for data serialization, providing human-readable code, simple specifications, and extensive support. However, it also has some limitations, especially

Feb 18, 2025 pm 12:57 PM

Make Your Own Responsive SVG Graphs & Infographics

Harness the Power of Responsive SVGs: Enhancing User Experience Through Code-Level Control This article explores how to create more responsive and user-friendly Scalable Vector Graphics (SVGs) by directly manipulating their markup. We'll leverage a

Feb 18, 2025 pm 12:48 PM

Developing Add-ons for Enterprise Apps like JIRA

Developing JIRA Add-ons: A Guide for Developers The enterprise software market presents a lucrative opportunity for developers: creating add-ons for popular platforms like JIRA. This tutorial explores the process of developing JIRA add-ons, focusin

Feb 18, 2025 pm 12:46 PM

4 Challenges to Consider Before Creating an IoT Device

Key Challenges in IoT Device Development The Internet of Things (IoT) is sweeping the technology industry and has triggered the fourth industrial revolution. More and more companies are committed to IoT development, however, many companies do not fully assess potential challenges before embarking on development. This article will focus on four key challenges in the development process of IoT devices: 1. Connectivity The way the device is connected depends on its usage environment. Home smart devices can usually connect to Wi-Fi, while devices such as agricultural IoT or smart cars may only rely on cellular networks. As IoT technology continues to evolve, ensuring future compatibility of device connectivity is crucial. Choosing the right connection scheme requires a trade-off between cost and performance. For example, it is expensive to transmit data through a cellular network, and it may be necessary

Feb 18, 2025 pm 12:42 PM

Building Faster Websites with Grav, a Modern Flat-file CMS

Grav: A Modern, Flat-File CMS for Speed and Simplicity This article explores Grav, a contemporary flat-file content management system (CMS) that prioritizes speed, simplicity, and ease of use. Unlike traditional database-driven CMSs, Grav stores cont

Feb 18, 2025 pm 12:37 PM

How to Build an Image with the Dockerfile

From building applications, installing dependencies and services, to automated deployment, and more - it all starts with Dockerfile. Let's review the syntax of Dockerfile, from basic to complexity, and some best practices when building Docker images. This guide will write a Dockerfile that guides Docker to select a minimized Linux (base image) for the applications we will deliver, and comes with our selected toolset and specific configuration to effectively build our own Linux distribution that distribution The version happens to be suitable for running our application. Key Points Docker uses the application to all its necessary binary files, runtime libraries, backend tools, operating systems

Feb 18, 2025 pm 12:36 PM

Shiny and R: How to Add Themes and Customize Error Messages

Key Takeaways Shiny, a package in the R programming language, provides a user-friendly interface for data analysis and model construction, even for users with a non-coding background. It allows for the creation of interactive web applications with

Feb 18, 2025 pm 12:35 PM

10 Examples of 3D Printing Transforming Our Reality

3D printing technology has made significant progress over the past decade, from technology that is only available to large manufacturers to technology that can be achieved in the office at home. It is becoming increasingly affordable and provides a fast way to create products. However, as innovation exceeds regulatory speeds, ethical, legal and ethical issues of 3D printing are becoming increasingly prominent. The following ten forms of 3D printing show that 3D printing will become as popular as other forms of manufacturing in the next few years. Important points 3D printing is becoming more affordable and easy to use, and its applications range from health science to architecture and even fashion. Bioprinting is a major breakthrough in the health sciences, and Wake Forest researchers have created a 3D bioprinter that can produce organs, tissues and bones, which can

Feb 18, 2025 pm 12:31 PM