In Golang, wrapping errors means adding more contextual information to the error which has been returned. For example, the additional information could be the type of error, the cause of the error, or the name of the function where the error is raised. Wrapping is very useful for debugging since you can precisely and quickly locate the source of the problem.

The PHP PDOException is a runtime exception that occurs when something goes wrong while using the PDO (PHP Data Objects) class or its related extensions. For example, this exception can occur while handling database connections or queries.

Developers can develop agile applications using these conventions and write less code. Moreover, Ruby on Rails developers' communities can be enhanced in terms of maintainability and understandability. Furthermore, the developers use the Rails conventions and sensitive defaults in their web applications, making them more scalable. Among them are email management, object-database mappings, file structures, code generation, element naming and organization, etc.

Tables are an essential part of front-end development. Be it creating structured data or making data visualization easier for users including tables is almost essential. However, if you’re working with React often creating complex tables might provide you with insufferable stress as the process is quite complex and time-consuming. Hence, instead of using only React to create tables the use of external libraries for table creation is often encouraged for react-developers.

Data structure and type validations are so essential in modern Rails apps. You've probably used Active Model validations and strong parameters, but did you know there is a better way? This article introduces the dry-schema gem—a faster alternative to the defaults!

Since October is cybersecurity awareness month, it’s a great time to revisit the question of what are the best ways to secure user authentication in CIAM. In many industries (finance and healthcare, to name a few), regulations require the use of multifactor authentication (MFA) to protect access to sensitive data and transactions.

Javascript is the basis of today’s modern web technology and plays a pivotal role in providing effective functionalities to websites and web applications. One of the essential elements that power its capability to include complex functionalities is objects in Javascript. From performing as a holy grail that aids developers in creating complex data structures to storing multiple properties an object in JS can serve multiple purposes at once.

Compilers, transpilers, oh my! Learn how Babel and friends do their thing—which is the right for your JavaScript build environment?

If you're looking to add some spice to your web designs, you may be considering adding animation. SVG animation with CSS can be used to create rich, interactive experiences on the web. SVG is a vector graphic format that can be scaled to any size without losing quality. CSS is a style sheet language that can be used to style HTML elements. Combined, these two technologies can be used to create animations that are responsive, fluid, and resolution-independent.

Linting refers to the process of identifying potential errors in code by using a program. Initially, the lint tool, like earlier similar utilities, analyzed source code to determine which compiler optimizations could be made. In time, lint-like tools added many other types of checks and verifications. The Linting software provides developers with tools to help them write highly scalable code.

We discuss in detail how developers can reduce app size by compressing images, removing unused resources, and optimizing their APK and IPA files for different types of devices.

Financial services institutions are playing the long game in working toward digital transformation. Considering the rapid rate of change and innovation over just the last 10 years, leading financial organizations are realizing that digital transformation isn’t a destination. It’s a journey. While there isn’t one right way to approach digital transformation, some strategies are less effective than others.

We always want to use the best of the best when it comes to Kubernetes tooling. We keep up with the latest projects, download them when ready to try them out, and see where they could fit in our development work here at Rookout. As part of our migration to Kubernetes native tools, our most important goal is to make it seamless and smooth so our developers will stay agile, fast, and happy. For some of that migration, we’ve faced some challenges, particularly with pipelines.

Node.js 18 was released on the 19th of April this year. You can read more in the official blog post release or in the OpenJS Blog announcement. The community couldn't be more excited! If you want to lend a hand, we welcome your ideas or solutions contact us, or if you would like to help us continue supporting open source, you can contribute with an issue here.

In this post, we will implement a basic ActionText table editor for your Rails application. We'll learn how: This article draws inspiration from the excellent 'Adding Tables to ActionText With Stimulus.js' blog post from 2020. That was written before the advent of Turbo though, which we can expect to simplify matters quite a bit. Let's get going!

In part one of this series, we successfully built a TypeScript Lambda on the AWS cloud. But we left a lot of room for improvement in terms of the developer experience. For starters, the Lambda didn’t run on a local machine, which is cumbersome. The code we wrote is also not testable, which makes refactoring hard or, at least, dangerous. In this take, let’s focus on improving the developer experience. The goal is to make the code more robust and easier to work with. Ready?

The PHP ErrorException class is meant to be thrown explicitly to catch and handle errors that would otherwise be ignored, such as Notices or Warnings.

Manufacturing companies face complex challenges in a competitive landscape. To meet these enormous challenges, manufacturers have long invested in continuous improvement methodologies like lean manufacturing. Also, increasing numbers of manufacturers are adapting and investing in Industry 4.0 technologies to tame the complexity by increasing automation, adopting smart machines, and enhancing smart factories.

Logging PHP errors is essential for monitoring and debugging. This article explores three of the best ways to log errors in PHP.

Docker offers many benefits, but it can be tricky to get started—especially when you need to deploy several components. In this article, Muhammed Ali shows how to use Docker and Docker Compose to containerize an application built with Django and React.

The Python TypeError: NoneType Object Is Not Iterable is an exception that occurs when trying to iterate over a None value. Since in Python, only objects with a value can be iterated over, iterating over a None object raises the TypeError: NoneType Object Is Not Iterable exception.

RubyCritic provides visual reports highlighting code smells, code structure, ease of testing, and test coverage in your Ruby application. It's in active development, with new code analysis tools often being introduced as new features. It's well worth keeping track of RubyCritic's releases. This article will touch on some of RubyCritic's benefits, its dependencies, and how to read its code reports. Let's get going!

Every developer has experienced the pain of debugging. We know that you know what we’re talking about. Who hasn’t been lost jumping between different windows troubleshooting their code, log-jammed trying to track bugs in a pile of logs, or been caught screaming at a rubber duck that’s blankly staring back at them? But it shouldn’t be that way.

The need to manipulate strings comes up quite often, whether it's to validate user-provided values or transform text into structured data that can be used programmatically. Most often, we'll reach for regular expressions to accomplish this task, but sometimes there's a better solution to the problem: parser combinators. In this two-part article, we'll explore how they work. Before moving on, let's define what 'parsing' is: Source: Wikipedia.

Generators are a powerful feature you can use to automate routine tasks in Rails—but do you know how to make your own? This article explores Rails generators in depth, including how to build a generator from scratch.

Mobile teams need to consider these four things to ensure they are measuring and managing code quality. Because at the end of the day, good code is clean and well-managed code.

The Python AttributeError is an exception that occurs when an attribute reference or assignment fails. This can occur when an attempt is made to reference an attribute on a value that does not support the attribute.

The rise of remote work has brought forward relatively new software products called time trackers. As more and more companies were going remote, they needed a way to monitor their employees’ work to ensure proper workflow. That’s when they started to use time trackers. Despite the general resistance towards time trackers, time and proper use proved them important. Both companies and employees realized how beneficial time trackers can be both for the company and for personal use.

As we mentioned in the previous article, at NodeSource, we are dedicated to observability in our day-to-day, and we know that a great way to extend our reach and interoperability is to include the Opentelemetry framework as a standard in our development flows; because in the end our vision is to achieve high-performance software, and it is what we want to accompany the journey of developers in their Node.js base applications.

Plenty of development life cycles are involved in a software project, so selecting the correct one becomes difficult. Software Development Models should be selected wisely by looking at the budget, team size, project criticality, and criticality of the product. Choosing the suitable model will improve the efficiency of your IT projects and manage risks associated with the software development lifecycle.

Conceptually, a paradigm is a system of concepts and practices that reflect the current state of our understanding of the field. In general, a programming paradigm refers to a style, way, or classification of programming. Programming languages are used in order to solve problems. A paradigm's difficulty varies according to the language. Paradigms can be used in several programming languages, but a strategy or methodology must be followed.

One major reason for digging into API and product analytics is to be able to easily identify trends in the data. Of course, trends can be very tough to see when looking at something like raw API call logs but can be much easier when looking at a chart aimed at easily allowing you to visualize trends. Enter the Time Series chart.

There is no doubt that CodeIgniter is one of the best PHP frameworks for developing websites. However, before using CodeIgniter for development, every PHP developer should be aware of all the features of CodeIgniter to use it to its full potential. In this article, we will go over all the great features of the CodeIgniter framework in depth. It will help you understand how to use the CodeIgniter best for your development needs.

Many API developers and companies struggle to find ways to set up systems to monetize their APIs easily. Some are simple but not customizable and some are complex and require massive engineering effort to actually get it all running. To make things easier, Moesif created the Billing Meters feature which gives massive customizability but with a minimal amount of code and engineering effort to monetize APIs.

Recently, conversations have been increasing around OpenTelemetry; it is gaining more and more momentum in Node.js development circles, but what is it? How can we take advantage of the key concepts and implement them in our projects? Of note, NodeSource is a supporter of OpenTelemetry, and we have recently implemented full support of the open-source standard in our product N|Solid. It allows us to make our powerful Node.js insights accessible via the protocol.

Optical Character Recognition (OCR) automates extracting text from visual assets such as PDFs and images. This tutorial teaches how to use Amazon Textract and AWS Lambda to build an OCR service.

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate. JSON is a text format that is completely language independent but uses conventions that are familiar to programmers of the C-family of languages (C, C++, JavaScript, and so on). These properties make JSON an ideal data-interchange language.

Bitrise acquires Flare.Build. By adapting Flare.Build’s advanced caching and CDN technology to tools beyond Bazel, Bitrise can speed up feedback loops, iterate faster, and multiply app build performance by up to 10x.

Introducing Bitrise sample apps: you can now get started on Bitrise without the need to connect your own app.

Job scheduling is the process of starting a job, task, or function at a specific time or when specific events take place. Cron, the time-based job scheduler used in Unix-like systems, is the basis for the majority of job schedulers. Numerous job schedulers are available for the Node.js runtime environment. While some of these schedulers operate in both the browser and Node, others exclusively in Node.

Do you have a Node.js project that you want to put into production but don't know how? In this tutorial, you'll learn how to deploy a Node.js and MongoDB application to Heroku. Before we get started, let's take a very quick look at Heroku and MongoDB.

Larval is one of the most popular PHP frameworks, created especially to help developers quickly build web applications. According to builtwith.com, more than 27.5 million websites use a PHP framework, making up 14% of worldwide websites. However, you should always adhere to the following Laravel best practices to make Laravel development a breeze and reap maximum benefits.

WSO2 recently announced the release of their Private CIAM Cloud service, and it made me think about the changing role of personal identity versus business entity in today’s complex distributed software environments. The CIAM space has evolved far beyond the traditional end user’s need for identity and access to applications in a B2C (business to customer) scenario.

Phoenix LiveView 0.18 just shipped, with lots of new goodies to make developing LiveView an even better experience. In this post, I'll take you through a lesser-known new feature - LiveView's new special HTML attributes - and show you how to write cleaner HTML with :if, :for, and :let. When we're done, you'll have an eloquent, ergonomic, and dynamic function component you can use to render a list anywhere in your LiveView app. Let's dive in!

In any application, testing is crucial, as it verifies that everything is working as expected and that what we are going to deliver to the end user is what was described in the project plan. Typically, it allows developers to inspect whether their app meets functional, performance, and UI specifications. Web applications can be tested using a variety of methods and types. These testing methods have already been combined into reusable libraries by many open-source developers.

Banks and financial institutions are highly regulated, where any noncompliance with strict rules and regulations can lead to heavy fines. Add to that skyrocketing customer expectations and it’s easy to see why finance is so competitive. Success in this environment requires accountability, coupled with process efficiency and the ability to optimize for continuous improvement. How do you get there? Process mining in finance is quickly becoming integral to success.

There is no denying the fact that React Native is the future of developing hybrid apps. It offers scalability, flexibility, speed, agility, cost-efficiency and excellent performance. No wonder so many successful companies rely on React Native for building their applications. After all, in the age of the Internet, every business needs a high-performing app that squarely satisfies customer needs. React Native tries to provide everything that is needed to develop a high performing application.

Learn how Neo Financial is creating ambitious products with user-friendly features. We interview the team about the mobile app that is elevating the Canadian mobile finance experience.

Laravel provides a file system abstraction that includes simple drivers for working with local filesystems, SFTP, and Amazon S3. This article teaches how to use Amazon S3 in Laravel.

Nowadays, only a couple of businesses can prosper without a digital footprint. A website is not considered an accessory. WordPress, one of the most popular CMS, is an excellent basic foundation, owing to its enormous adaptability. Many firms have produced ready-made solutions to meet the demands of different firms. Today we have chosen ten of the best WordPress themes from TemplateMonster to assist you in getting started.

Responsive and robust web apps have become an unsaid necessity for modern businesses. For this, the use of the traditional tech stack of JS, HTML, and CSS in the website frontend is not enough. Instead, developers must shift to more modern and robust development alternatives to create web applications that answer complex business needs while guaranteeing effortless performance. A majority of developers are using React with Bootstrap to achieve this goal in their web development projects.

The Python ValueError is an exception that occurs when a function receives an argument of the correct data type but an inappropriate value. This error usually occurs in mathematical operations that require a certain kind of value.

Discover how mobile teams building finance apps rate themselves across the five key Mobile DevOps metrics.

Many businesses are shifting their focus toward mobile app development as the demand for mobile apps increases. Innovative mobile apps are being developed with the help of new technologies, platforms, and frameworks. A new trend in mobile development is cross-platform app development, which allows developers to create apps for multiple platforms, such as Android, iOS, and Windows. By choosing React Native for your multi-platform mobile app development, you can be confident you made the right choice.

Job queues are a powerful tool for processing background work in your Django applications. This article teaches about job queues and workers—and how to implement them with Django Q and Celery.

Today, the exponential growth of APIs shows no sign of slowing down. Digitally driven enterprises understand that they must deliver enhanced digital experiences to achieve sustained growth, faster innovation, and meet modern consumer needs.

Are you looking to grow your business? Deliver more value to your customers? Well, understanding API usage should be at the top of your priority list, right after the ability to track API usage and API monitoring. By using Moesif for understanding your customer’s API usage, you can unlock many different insights, such as Understanding these key insights can help make informed business and engineering decisions.

Alongside performance and usability, you should always focus on security when creating any web application. Keep in mind that hacking techniques are constantly evolving, just as fast as technology is. So you must know how to secure your users and their data. This article will show you how to create a secure Rails application. The framework is known to be secure by default, but the default configuration is not enough to let you sleep well at night.

While working on the migration from Vagrant to Docker with Compose in our development setup, we were seeing extremely slow responses in the browser and I immediately made a mistake to assume I know the problem without measuring. A story in 7 acts.

Many API developers and companies struggle to find ways to easily set up systems to monetize their APIs. Some are simple but not customizable, some are complex and require massive engineering effort to actually get it all running. To make things easier, Moesif created a feature a few months ago called Billing Meters which gives massive customizability but with a minimal amount of code and engineering effort.

Nearly a year ago, we launched N|Solid SaaS, and although there are still a few months to go before our anniversary, we wanted to share the top 10 features ofN|Solid that make us proud every day of what we have built.

In today’s digital business landscape, APIs have become the most important digital asset. One study found that 83% of all internet traffic belongs to API-based services. APIs act as the reusable building block that employees, partners, and customers can easily access from anywhere. Figure 1: API security overview This has also made APIs the top security challenge for most companies. In a recent survey, about 94% of respondents noted that they had faced an API security issue over the past year.

This article is about mobile security tools and five recommended security tools for building secure mobile apps with automated testing.

The XML data format has been around since 1996. It was first envisioned as a lingua franca (bridging language) for data to be serialized and read into completely disparate systems (with different programming languages, operating systems, and even hardware). It has been wildly successful in that goal. In software, though, 26 years is like a lifetime — and in hardware, it's an eternity.

Accepting user input is critical to modern Rails applications, but without validations, it can cause problems. In this article, learn how to use `ActiveModel` validations to ensure the data you process is safe.

As you may know, event logs are a common feature in operating systems and other software that keep track of system and application errors. When you have API traffic to follow or front-end actions you want to watch, using Moesif’s Live Event Log is a simple way to filter and find the data you need.

Logging can be a life-saver when it comes to discovering bugs or faults in your Go (Golang) code. The three most popular ways to log errors in Golang are: This article will walk you through how to log errors using each method, when and why you’d want to use each, along with examples.

The Python KeyError is an exception that occurs when an attempt is made to access an item in a dictionary that does not exist. The key used to access the item is not found in the dictionary, which leads to the KeyError.