News Aggregator

Handling Secrets With AWS Secrets Manager

Aggregated on: 2023-10-13 18:17:01

In my previous tutorials, we looked at Azure Key Vault and Google Secret Manager: How to Handle Secrets With Azure Key Vault: In this piece, we had a look at the Zero Trust security strategy, how to put it into practice to secure applications and data, and how secrets managers can help to achieve the Zero Trust goal. We also included a tutorial on Kubernetes/SPC to use secrets from secret managers. How to Handle Secrets With Google Secret Manager: In this piece, we did a tutorial on using secrets from secret managers in your CI workflows (GitHub Actions). If you haven't read them yet, please give them a quick read, because even if you are not an Azure or a GCP user, they still might be worth reading.

5 ChatGPT Alternatives for Code Generation to Hyperdrive Development

Aggregated on: 2023-10-13 17:47:01

AI code generation has been a buzz since the introduction of the advanced generative capabilities of ChatGPT. Code generation is essential to software development, and AI-powered tools have significantly advanced this field. For example, Google’s DeepMind claimed that its AlphaCode could generate a development code of industry standards in February 2023. However, with the introduction of Playground AI by OpenAI and ChatGPT in November 2022, the entire scenario of automated code generation drastically changed.

Platform Engineering Trends in Cloud-Native: Q&A With Jonas Bonér

Aggregated on: 2023-10-13 17:47:01

The rise of Kubernetes, cloud-native, and microservices spawned major changes in architectures and abstractions that developers use to create modern applications. In this multi-part series, I talk with some of the leading experts across various layers of the stack — from networking infrastructure to application infrastructure and middleware to telemetry data and modern observability concerns--to understand emergent platform engineering patterns that are affecting developer workflow around cloud-native. The next participant in our series is Jonas Bonér, CEO and co-founder of Lightbend and the creator of the Akka event-driven middleware project for building highly concurrent, distributed, and resilient message-driven applications. Q: We are nearly a decade into containers and Kubernetes (K8s was first released in Sept 2014). How would you characterize how things look different today than ten years ago, especially in terms of the old world of systems engineers and network administrators and a big dividing line between these operations concerns and the developers on the other side of the wall? What do you think are the big changes that DevOps and the evolution of platform engineering and site reliability engineering have ushered in?

Making PostgreSQL Backups 100x Faster via EBS Snapshots and pgBackRest

Aggregated on: 2023-10-13 17:17:01

If you have experience running PostgreSQL in a production environment, you know that maintaining database backups is a daunting task. In the event of a catastrophic failure, data corruption, or other forms of data loss, the ability to quickly restore from these backups will be vital for minimizing downtime. If you’re managing a database, maintaining your backups and getting your recovery strategy in order is probably the first check on your checklist. Perhaps, this has already given you one headache or two because creating and restoring backups for large PostgreSQL databases can be a very slow process.

How To Create Isometric Diagrams Using SVG

Aggregated on: 2023-10-13 17:02:01

There are various methods of visualizing three-dimensional objects in two-dimensional space. For example, most 3D graphics engines use perspective projection as the main form of projection. This is because perspective projection is an excellent representation of the real world, in which objects become smaller with increasing distance. But when the relative position of objects is not important, and for a better understanding of the size of objects, you can use parallel projections. They are more common in engineering and architecture, where it is important to maintain parallel lines. Since the birth of computer graphics, these projections have been used to render 3D scenes when 3D rendering hardware acceleration was not possible. Recently, various forms of parallel projections have become a style choice for digital artists, and they are used to display objects in infographics and in digital art in general. The purpose of this article is to show how to create and manipulate isometric views in SVG and how to define these objects using, in particular, the JointJS library. To illustrate SVG’s capabilities in creating parallel projections, we will use isometric projection as an example. This projection is one of the dominant projection types because it allows you to maintain the relative scale of objects along all axes.

Top 30+ Spring Boot Interview Questions With Answers

Aggregated on: 2023-10-13 16:17:01

Welcome to our thorough Spring Boot interview questions guide! Spring Boot has grown in popularity in the Java ecosystem due to its ease of use and productivity boosts for developing Java applications. This post will present you with a curated set of often requested Spring Boot interview questions to help you ace your interviews, whether you are a newbie discovering Spring Boot or an experienced developer preparing for an interview. What Is Spring Boot? Spring Boot is an open-source Java framework built on top of the Spring framework. Spring Boot aims to make it easier to create stand-alone, production-ready applications with minimal setup and configuration.

Everything You Need To Know About Storing Scraped Data on the Cloud

Aggregated on: 2023-10-13 16:02:01

The number of personal cloud storage users has been steadily increasing from 1136 in 2014 to 2309 in 2020. This represents an average annual growth rate of approximately 10.4%. By 2020, the number of personal cloud storage users had doubled. According to Gartner, global public cloud spending will increase by 20.7% and reach $591.8 billion in 2023, compared to $490.3 billion in 2022.

Java and MongoDB Integration: A CRUD Tutorial [Video Tutorial]

Aggregated on: 2023-10-13 14:17:01

Eliminate any MongoDB collection with ease using Java. Our concise and effective steps will help you through the process, making sure that you get the job done in no time. No more struggling with tedious and time-consuming tasks. Trust our solution to deliver the assertive approach you need to remove your collection quickly and efficiently. In this video tutorial series, you will gain a deep understanding of Java Integration with MongoDB. Java integration with MongoDB allows developers to leverage the power of MongoDB, a popular NoSQL database, in their Java applications. MongoDB is designed to handle large amounts of unstructured data and provides scalability and flexibility.

Hasdx and Stable Diffusion: Comparing Two AI Image Generation Models

Aggregated on: 2023-10-13 13:47:01

Generating realistic images from text prompts is an exceptionally useful capability enabled by recent advances in AI. In this post, we'll compare two of the top text-to-image models available today — hasdx and Stable Diffusion — to better understand their strengths, differences, and ideal use cases. First, some background. Both hasdx and Stable Diffusion leverage deep learning techniques to generate images that remarkably match text descriptions provided by the user. This makes them invaluable for creators, designers, and businesses who want to quickly ideate visual concepts, create prototyping assets, or produce custom images and media.

Auto-Synchronization of a Whole MySQL Database for Data Analysis

Aggregated on: 2023-10-13 13:47:01

Flink-Doris-Connector 1.4.0 allows users to ingest a whole database (MySQL or Oracle) that contains thousands of tables into Apache Doris, a real-time analytic database, in one step. With built-in Flink CDC, the Connector can directly synchronize the table schema and data from the upstream source to Apache Doris, which means users no longer have to write a DataStream program or pre-create mapping tables in Doris.

Platform Engineering Trends in Cloud-Native: Q&A With Thomas Graf

Aggregated on: 2023-10-13 13:02:01

The rise of Kubernetes, cloud-native, and microservices spawned major changes in architectures and abstractions that developers use to create modern applications. In this multi-part series, I talk with some of the leading experts across various layers of the stack — from networking infrastructure to application infrastructure and middleware to telemetry data and modern observability concerns — to understand emergent platform engineering patterns that are affecting developer workflow around cloud-native. The first participant in our series is Thomas Graf, CTO and co-founder of Isovalent, and the creator of Cilium — an open source, cloud-native solution for providing, securing, and observing network connectivity between workloads, fueled by the revolutionary Kernel technology eBPF.

Tackling Production Issues in the Ballerina GraalVM Executable

Aggregated on: 2023-10-13 13:02:01

The Ballerina GraalVM image, a performance-enhanced version of a Ballerina application that can be run as a native executable, offers improved performance and reduced memory consumption. However, like any application in production, issues can arise that impact its performance and reliability. In this article, we will explore how to analyze and resolve production issues that can occur with the Ballerina GraalVM image by delving into essential tools. We will discuss generating heap dumps and connecting a Ballerina GraalVM native application to Java Flight Recorder (JFR) for effective issue diagnosis and resolution. Ballerina GraalVM Image is a native executable of a Ballerina application generated with the GraalVM native image tool. It leverages the capabilities of the GraalVM platform to compile the Ballerina code into a standalone executable, resulting in optimized performance and reduced memory footprint. To fully utilize the benefits of the Ballerina GraalVM Image, it is essential to be aware of potential production issues that can affect its performance.

Secure Code Review Best Practices

Aggregated on: 2023-10-13 12:47:01

Code review is an important part of the development process that can help to identify issues with the quality of the software. Secure code reviews are a specific type of code review that specifically evaluates the security of the software’s source code. Activities that don’t include the source code (like DAST tools and pen tests) are not considered “secure code review.” Some of the steps in a secure code review can be assisted by automated tools, but many need a human for critical thinking and understanding of real-world processes. In this post, we will explore the different things you should do during a secure code review, point out which of those things can be automated, and then summarize everything into a cheat sheet for you to reference when performing your own secure code reviews!

Exploring Exciting New Features in Java 17 With Examples

Aggregated on: 2023-10-12 20:47:01

Java, one of the most popular programming languages, continues to evolve and improve with each new release. Java 17, the latest long-term support (LTS) version, brings several exciting features and enhancements to the language. In this article, we will explore some of the notable new features in Java 17 and provide practical examples to help you understand how to use them effectively. Sealed Classes Sealed classes allow you to restrict which classes or interfaces can extend or implement them. This feature enhances encapsulation and helps maintain code integrity by controlling who can inherit from a sealed class. Let's look at an example:

How To Fix SQL Database Restore Failed, Database Is in Use?

Aggregated on: 2023-10-12 20:32:01

When restoring the SQL Server database from backup, you may encounter the “Restore of database failed, Database is in use” error message. This happens if someone is running queries or if you have an active connection or active windows running on the database to be restored. The complete error message looks like the following:

Software Development Engagement Models: What To Choose

Aggregated on: 2023-10-12 20:17:01

Every business values experienced and talented professionals. However, it is not always feasible to maintain a large in-house team due to constraints on resources and opportunities. The great thing is there are many ways to partner with developers that align perfectly with your project's needs. Remember, there is no universal team or collaboration method that fits every scenario. Factors like budget, available resources, deadlines, project requirements, size, and tasks all play a role in determining the best way to work together. It is crucial to select the right engagement model to ensure everyone is on the same page and you get the most value for your money.

How To Make Codable Work With Swift’s New Observation Framework and the @Observable Macro in SwiftUI

Aggregated on: 2023-10-12 18:17:01

With Swift 5.9 and Xcode 15 introduced in this year’s WWDC, there is a new take on how observation is implemented and integrated with SwiftUI. The new macro capability in Swift has enabled the replacement of the protocol ObservableObject and property wrappers like @Published, @ObservedObject and @StateObjectwith the new @Observable macro. The new Observation framework brings several advantages, aiming for simpler usage and improved performance by updating only the views directly affected by changes in the data model. Check out the documentation for a comprehensive introduction to the Observation framework.

Data Poisoning and Model Collapse: The Coming AI Cataclysm

Aggregated on: 2023-10-12 18:17:01

Generative AI tools like ChatGPT seem too good to be true: craft a simple prompt, and the platform generates text (or images, videos, etc.) to order. Behind the scenes, ChatGPT and its ilk leverage vast swaths of the World Wide Web as training data — the ‘large’ in ‘large language model’ (LLM) that gives this technology its name.

Fueling Innovation: Key Tools for Enhancing Generative AI in Data Lake Houses

Aggregated on: 2023-10-12 18:17:01

The coming wave of generative AI will be more revolutionary than any technology innovation that's come before in our lifetime, or maybe any lifetime. - Marc Benioff, CEO of Salesforce In today's data-driven landscape, organizations are constantly seeking innovative ways to derive value from their vast and ever-expanding datasets. Data Lakes have emerged as a cornerstone of modern data architecture, providing a scalable and flexible foundation for storing and managing diverse data types. Simultaneously, Generative Artificial Intelligence (AI) has been making waves, enabling machines to mimic human creativity and generate content autonomously.

Comparing LLMs for Chat Applications: LLaMA v2 Chat vs. Vicuna

Aggregated on: 2023-10-12 17:47:01

AI language models have revolutionized the field of natural language processing, enabling a wide range of applications such as chatbots, text generation, and language translation. In this blog post, we will explore two powerful AI models: LLaMA 13b-v2-Chat and Vicuna-13b. These models are fine-tuned language models that excel in chat completions and have been trained on vast amounts of textual data. By comparing and understanding these models, we can leverage their capabilities to solve various real-world problems. Introducing LLaMA 13b-v2-Chat and Vicuna-13b The LLaMA 13b-v2-Chat model, developed by a16z-infra, is a 13 billion parameter language model fine-tuned for chat completions. It provides accurate and contextually relevant responses to user queries, making it ideal for interactive conversational applications. With its impressive capacity, LLaMA 13b-v2-Chat can understand and generate human-like text responses.

From ViewModel To Compose Presenter: The New Form of State Management

Aggregated on: 2023-10-12 17:47:01

Commonly, we manage the state logic in an Android ViewModel by applying MVI or MVVM, and we may combine a number of asynchronous data elements to create the state of the view. Some of this data does not change, some is immediately available, and some changes over time. However, it is important to keep in mind that the task of combining reactive flows becomes more complex as the data sources and logic involved increase, making the code more difficult to understand.

What Is a Streaming Database?

Aggregated on: 2023-10-12 17:32:01

Imagine watching a live sports game and wanting to know the score in real-time. Or you're tracking the location of a delivery package, and you want to see its progress as it moves. In both cases, you deal with a constant flow of data that needs to be updated instantly. This is where streaming databases come into play, and in this article, we'll dive into what they are and why they matter. Understanding Databases What Is a Database? Before we delve into streaming databases, let's first understand a database. Simply put, a database is like a digital filing cabinet for storing and organizing information. It can be anything from a collection of your favorite recipes to the vast amount of customer data a big company stores.

Simplifying Kubernetes Native Testing With TestKube

Aggregated on: 2023-10-12 17:02:01

Testing methodology refers to the process and procedures used to evaluate the quality, correctness, and completeness of software applications. The importance of testing methodology lies in its ability to identify defects and issues early in the development process, thus reducing the time and effort to fix them later. By identifying the defects early, testing can help to improve the functionality and reliability of software applications. There are numerous software testing tools available in the market that serve different purposes and testing requirements. Popular testing tools, including Selenium, JMeter, Appium, SoapUI, Postman, and Cucumber, might not be a suitable option to test a cloud-native application.

Decoding the Confusion Matrix: A Comprehensive Guide to Classification Model Evaluation

Aggregated on: 2023-10-12 16:47:01

A confusion matrix, also known as an error matrix, is a fundamental tool in the realm of machine learning and statistics, specifically for evaluating the performance of classification models. It provides a detailed breakdown of a model's predictions compared to the actual outcomes, allowing for a granular analysis of where the model is performing well and where it's making errors. The term "confusion" in "confusion matrix" stems from its primary purpose: to show where the model is "confused" in its classifications. By analyzing the matrix, one can discern between the types of correct and incorrect predictions a model makes.

php[tek] 2023: A Community of Communities Powering the Internet

Aggregated on: 2023-10-12 16:32:01

Chicago is famous for many reasons, including the Bears, a specific style of hot dogs, and, of course, for giving the world skyscrapers. PHP is also known for legendary architecture, being the underlying language for 77.5% of the web via frameworks like Laravel, Drupal, and WordPress. Community members from all over the world, representing all those frameworks and more, got together for php[tek] 2023. This was the 15th annual convention of PHP, where users shared knowledge and best practices for leveraging the language that came to define the internet over the last 28 years. There was a real sense of community at the event, summarized very succinctly in the day one keynote, "Let Go of Ownership," from Tim Lytle. He encouraged us to think about our code and the community as not things we own but instead, as things we are entrusted to take care of over time. He said we should think in terms of stewardship, which is a word that sums the subject up nicely.

Ballerina Code to GraalVM Executable

Aggregated on: 2023-10-12 16:32:01

In the rapidly evolving landscape of software development, creating efficient and high-performing applications is essential. In this article, we will explore the seamless integration of Ballerina and GraalVM, focusing on the process of transforming Ballerina code into a native executable using GraalVM. Ballerina is a modern, open-source programming language designed explicitly for cloud-native development. With its focus on integration and ease of use, Ballerina empowers developers to rapidly build scalable, distributed applications. The language comes equipped with a rich set of connectors for interacting with various protocols, services, and APIs, making it ideal for microservices architectures.

How To Build React Video Calling App With Video SDK

Aggregated on: 2023-10-12 16:32:01

Do you find the existing video-calling apps to be limiting? If yes, why not make your own video-calling app that you can use for anything? With the help of Video SDK, It is very easy to integrate and build your own video calling app with features like chat, poll, whiteboard, and much more. Video SDK is a platform that allows developers to create rich in-app experiences such as embedding real-time video, voice, real-time recording, live streaming, and real-time messaging. Video SDK is available in JavaScript, React.js, React-Native, iOS, Android, and Flutter to be seamlessly integrated. Video SDK also provides a pre-built SDK, which enables you to integrate real-time communication with your application in just 10 minutes.

Using Caching Strategies To Improve API Performance

Aggregated on: 2023-10-12 16:32:01

APIs, or application programming interfaces, act as a bridge between different software systems, allowing them to communicate and exchange data. It's important for APIs to perform well and respond quickly to requests, as this directly impacts the user experience. One way to improve API performance is by using caching strategies. Caching involves temporarily storing data that is frequently used so it can be retrieved more quickly the next time it's needed. By implementing caching in your API, you can reduce response times, increase scalability, and provide a better user experience.

Graph-Oriented Solutions Enhancing Flexibility Over Mutant Requirements

Aggregated on: 2023-10-12 15:02:01

Relational DataBase Management Systems (RDBMS) represent the state-of-the-art, thanks in part to their well-established ecosystem of surrounding technologies, tools, and widespread professional skills. During this era of technological revolution encompassing both Information Technology (IT) and Operational Technology (OT), it is widely recognized that significant challenges arise concerning performance, particularly in specific use cases where NoSQL solutions outperform traditional approaches. Indeed, the market offers many NoSQL DBMS solutions interpreting and exploiting a variety of different data models:

Five Challenges in Mobile App Data Integration

Aggregated on: 2023-10-12 12:47:01

Data integration has always been the linchpin of successful software systems. However, when we zoom into the world of mobile applications, the importance becomes accentuated, often in ways that are both intriguing and challenging. With mobile apps, developers have to account for sporadic connectivity, device resource limitations, and an incredibly diverse ecosystem of data sources. In this blog post, we aim to dissect the challenges in mobile app data integration, offering potential solutions that can be both scalable and robust. The Mobile Data Integration Landscape Mobile applications often have an eclectic blend of data sources. Whether it's the embedded SQLite databases, real-time data from sensors, or even cloud storage services, each source poses its own set of integration challenges. But more than just variety, mobile apps deal with a slew of data formats and communication protocols, ranging from JSON and XML to Protocol Buffers. As Mike Olson, Co-Founder of Cloudera, once stated, "Data is indeed the new currency." Yet, in the mobile landscape, this "currency" comes in various denominations that don't always easily convert into one another.

Your Codebase Is a Cluttered Garage

Aggregated on: 2023-10-11 20:47:00

Unused code adds time and burden to maintaining the codebase and removing it is the only cure for this side of “more cowbell.” Unfortunately, it’s not always obvious whether developers can remove certain code without breaking the application. As the codebase becomes cluttered and unwieldy, development teams can become mired in mystery code that slows development and lowers morale. Do you remember the first time you walked into your garage, empty and sparkling, yawning with the promise of protecting your vehicles and power tools? How did it look the last time you walked in? If you’re like many of us, the clutter of long-closed boxes taunts you every time you walk around them, losing precious minutes before you can get to the objects you need while your car sits in the driveway. Sadly, development teams have a similar problem with their source code, which has grown into a cluttered mess.

How To Generate Spring Properties Documentation

Aggregated on: 2023-10-11 20:47:00

Are you struggling to keep the documentation of your Spring configuration properties in line with the code? In this blog, you will take a look at the Spring Configuration Property Documenter Maven plugin, which solves this issue for you. Enjoy! Introduction Almost every Spring (Boot) application makes use of configuration properties. These configuration properties ensure that certain items in your application can be configured by means of an application.properties (or YAML) file. However, there is also a need to document these properties in order for someone to know what these properties mean, how to use them, etc. This is often documented in a README file. This README file needs to be manually maintained while the properties are present in a Java class which also contains documentation and annotations.

Multi-Tenancy in Kubernetes Using Vcluster

Aggregated on: 2023-10-11 20:47:00

Kubernetes has revolutionized how organizations deploy and manage containerized applications, making it easier to orchestrate and scale applications across clusters. However, running multiple heterogeneous workloads on a shared Kubernetes cluster comes with challenges like resource contention, security risks, lack of customization, and complex management. There are several approaches to implementing isolation and multi-tenancy within Kubernetes:

Java 21 Is a Major Step for Java: Non-Blocking IO and Upgraded ZGC

Aggregated on: 2023-10-11 20:32:00

It looks like Java 21 is going to pose a strong challenge to Node JS! There are two massive performance enhancements in Java 21, and they address two of Java's often-criticized areas: Threads and blocking IO (somewhat fair criticism) and GC (relatively unfair criticism?) Major highlights of Java 21:

Cloud-Native Integration Platforms To Accelerate Business Transformation

Aggregated on: 2023-10-11 20:32:00

Cloud-native integration platforms have emerged as potent drivers of business transformation, enabling seamless connections between diverse applications and systems. This grants enterprises remarkable agility, scalability, and operational efficiency. This informative blog delves into the world of leading cloud-native integration platforms, spearheading significant changes in the business arena. By enhancing customer experiences and streamlining internal processes, these platforms have the capacity to revolutionize modern business operations at their essence. The adoption of cloud-native integration platforms represents a strategic move to meet the evolving demands of the digital era. These platforms not only facilitate smooth connections but also enable organizations to adeptly navigate complexity, respond to change promptly, and effortlessly enhance their capabilities. They effectively integrate diverse systems and applications.

Using the NGINX Docker Image

Aggregated on: 2023-10-11 20:02:00

Docker is a compelling platform to package and run web applications, especially when paired with one of the many Platform-as-a-Service (PaaS) offerings provided by cloud platforms. NGINX has long provided DevOps teams with the ability to host web applications on Linux and also provides an official Docker image to use as the base for custom web applications. In this post, I explain how DevOps teams can use the NGINX Docker image to build and run web applications on Docker.

Best Practices To Deal With Javax to Jakarta Migration

Aggregated on: 2023-10-11 18:32:00

Upgrading to Jakarta EE 9 or newer from an older version of Jakarta EE or Java EE can be a bit tricky with the javax to jakarta prefix change. Some libraries may be still using the javax package, which can cause conflicts when trying to run your applications on a Jakarta EE server like Eclipse GlassFish 7. You will likely encounter the same issues when upgrading to Spring Framework 6 or Spring Boot 3, Quarkus 3, and newer versions of many other frameworks, which now depend on Jakarta EE 9 APIs. But don’t worry, I’ve got you covered! In this post, I’ll explain everything you need to know to upgrade to Jakarta EE 9+ successfully and in almost no time. By Jakarta EE 9+, I mean either Jakarta EE 9 or 10, which is currently the latest version of Jakarta EE.

How SMS Fraud Works and How To Guard Against It

Aggregated on: 2023-10-11 17:47:00

With Twitter disabling text message two-factor authentication, I thought it’d be fun to do a deep dive into how SMS fraud works and how app developers can guard against it. It’s a fascinating story of perverse incentives, short-sighted regulation, and technical ingenuity.

Making Apps More Accessible: An Introduction to the New Accessibility Audit Test for iOS

Aggregated on: 2023-10-11 17:47:00

A Brief Introduction to Accessibility When it comes to mobile applications, particularly on iOS, ensuring accessibility has become an integral part of the development process. Apple, the creator of iOS, has been a long-time proponent of accessibility, emphasizing its importance in creating an inclusive experience for all users. They have incorporated several accessibility features and tools within their ecosystem, such as VoiceOver, Switch Control, and AssistiveTouch. To ensure the effectiveness of these accessibility features and provide a seamless user experience, developers often conduct an Accessibility audit for iOS. This test assesses the application’s compatibility with various accessibility tools and evaluates its adherence to accessibility guidelines and standards. By conducting an Accessibility Audit Test for iOS, developers can identify and address any potential barriers that may hinder the usability and accessibility of their application, thus making it more inclusive for users with disabilities. Accessibility Audit Test: A Powerful Ally for Developers In their continued push for a more inclusive app ecosystem, Apple has introduced a new tool to assist developers: the Accessibility Audit test for iOS. This functionality is a part of the XCTest framework, Apple’s testing framework that allows developers to write tests for their apps at the unit, performance, and UI levels.

Running Tests in Cypress With GitHub Actions [Complete Guide]

Aggregated on: 2023-10-11 17:32:00

In today’s tech world, where speed is the key to modern software development, we should aim to get quick feedback on the impact of any change, and that is where CI/CD comes in place. Setting up CI/CD is crucial for automated test cases because it gives more consistent results, agility, and efficient assessment of minor changes. With the shorter release and fast development cycles, we need to check that automated tests are passing on every code change, which can be easily done by configuring the CI/CD pipeline.

How To Scale Your Python Services

Aggregated on: 2023-10-11 17:02:00

Python is becoming a more and more popular choice among developers for a diverse range of applications. However, as with any language, effectively scaling Python services can pose challenges. This article explains concepts that can be leveraged to better scale your applications. By understanding CPU-bound versus I/O-bound tasks, the implications of the Global Interpreter Lock (GIL), and the mechanics behind thread pools and asyncio, we can better scale Python applications. CPU-Bound vs. I/O-Bound: The Basics CPU-Bound Tasks: These tasks involve heavy calculations, data processing, and transformations, demanding significant CPU power. I/O-Bound Tasks: These tasks typically wait on external resources, such as reading from or writing to databases, files, or network operations.

Top 34 Codeless Testing Tools For 2023

Aggregated on: 2023-10-11 16:47:00

With technological advancement and growth and the arrival of DevOps and Agile, the software testing industry is witnessing numerous changes. Software testing has traversed a long path from manual testing to record-and-playback sophisticated testing tools, then to test automation, and now to codeless automation testing. Codeless testing tools have become increasingly significant in recent years as they allow software companies to perform automated testing without writing code. These codeless testing tools use graphical user interfaces (GUIs) to enable users to create automated tests through drag-and-drop functionality, eliminating the need for traditional coding skills.

Setup OpenAI Reverse Proxy With NGINX for ChatGPT

Aggregated on: 2023-10-11 16:02:00

OpenAI, a renowned leader in AI research, offers an API that enables developers to leverage their powerful language models. This article will provide a step-by-step guide on setting up OpenAI reverse proxy with NGINX on a Ubuntu 22.04 machine with a sub-domain and Let’s encrypt free SSL. This setup allows you to efficiently integrate AI capabilities into your applications like Janitor AI, Venus AI, and more. Benefits of an OpenAI Reverse Proxy OpenAI reverse proxy, in combination with NGINX, has some advantages listed below:

Streamlining Word to PDF Conversion in Golang

Aggregated on: 2023-10-11 16:02:00

In today's rapidly evolving digital landscape, the efficient conversion of Word documents to PDF format has become a crucial requirement for individuals and businesses alike. With the increasing reliance on electronic document sharing, ensuring the integrity and consistent presentation of files across various platforms and devices is of utmost importance.

Debugging Apache Spark Performance Using Explain Plan

Aggregated on: 2023-10-11 15:47:00

In the world of data processing, Apache Spark has established itself as a powerful and versatile framework. However, as the volume and complexity of data continue to grow, ensuring optimal performance becomes paramount. In this blog post, we will explore how the Explain Plan can be your secret weapon for debugging and optimizing Spark applications. We'll dive into the basics and provide clear examples in Spark Scala to help you understand how to leverage this valuable tool.

How to Password Protect a PDF File Using Java: A Step-By-Step Guide

Aggregated on: 2023-10-11 15:47:00

PDF (Portable Document Format) files are widely used for sharing documents due to their platform-independent nature and consistent formatting. However, some documents may contain sensitive information that requires an extra layer of security. If you are a Java developer, you can easily accomplish this task programmatically using Apache PDFBox. Apache PDFBox library is open source and free library for both commercial and non commercial use. In this blog post, we'll dive into how you can use Java and Apache PDFBox to add password protection to a PDF file.

Chat With the Oracle DB

Aggregated on: 2023-10-11 15:17:00

In today’s data-driven world, the ability to harness vast amounts of information through sophisticated database queries is paramount. However, querying databases traditionally requires a fair degree of technical expertise, making it inaccessible to many individuals, including business users and non-technical stakeholders. To address this challenge, Text-to-SQL (Structured Query Language) has emerged as a transformative use case for Artificial Intelligence (AI), enabling users to interact with databases using natural language queries, thereby democratizing access to valuable data. The Text to SQL AI use case is built upon groundbreaking advancements in natural language processing (NLP) and machine learning (ML) techniques. It aims to bridge the gap between human language and database operations by automatically transforming textual queries into SQL code, thereby facilitating efficient data retrieval and analysis without the need for explicit knowledge of the database structure or SQL syntax.

Mastering Cost Efficiency, Strategies for Serverless and Containerization

Aggregated on: 2023-10-11 15:17:00

Cost optimization in serverless and containerized computing involves the implementation of various strategies and techniques aimed at reducing expenses and enhancing the efficiency of resource utilization within these computing models. Serverless computing is a computing model that enables the execution of applications without the need to handle servers or infrastructure. On the other hand, containerization is a technique that involves packaging applications and their dependencies into portable and lightweight containers. Serverless computing and containerization are two approaches that provide a range of advantages, including enhanced scalability, increased flexibility, and decreased operational burden. Lack of adequate cost optimization can lead to unforeseen expenses and inefficient utilization of resources, thereby impeding the overall cost-effectiveness of these models for organizations. In order to achieve cost optimization, organizations have the option of implementing various strategies. These strategies include right-sizing resources, monitoring and optimizing usage and leveraging auto-scaling capabilities. Organizations can effectively mitigate overprovisioning and unnecessary costs by conducting precise assessments of the required resources and making appropriate adjustments. The implementation of continuous monitoring and optimization of usage patterns enables the identification of areas that require improvement and the elimination of any unnecessary expenditures. Furthermore, the utilization of auto-scaling capabilities enables the dynamic adjustment of resources in response to demand, thereby ensuring optimal resource utilization and cost-effectiveness. This feature's flexibility enables organizations to easily adjust their scale in accordance with their needs, ensuring that they only pay for the resources they actually need. Organizations can achieve significant cost savings by leveraging accurate resource assessment, continuous monitoring, and auto-scaling capabilities. This approach allows for the optimization of resource usage and the elimination of wasteful expenditures. This enhancement not only enhances the overall efficiency of the organization but also facilitates improved allocation of resources towards other critical areas of the business. Importance of Cost Optimization in Cloud Computing Cost optimization is an essential element of cloud computing that warrants careful consideration and should not be disregarded. In light of the growing utilization of cloud services, it is imperative for organizations to effectively administer their cloud expenditures in order to mitigate superfluous financial burdens. Cost optimization in cloud computing entails the identification and elimination of any extra or underutilized resources, as well as the right-sizing of instances and the implementation of efficient cost management strategies. Organizations can achieve maximum return on investment and ensure efficient utilization of cloud resources by prioritizing cost optimization. Furthermore, the implementation of cost optimization strategies enables organizations to effectively allocate their financial resources to other vital aspects of their operations. These may include fostering innovation, conducting research and development activities, or even expanding their customer base. This functionality empowers organizations to maintain their competitiveness in the market and gain an advantage over their rivals. In addition, through efficient cost management, organizations can mitigate the financial burden and risks that come with cloud computing. This can result in enhanced financial stability and the capacity to efficiently allocate resources as required, thereby avoiding unnecessary expenditures. Cost optimization in the cloud is a critical factor for organizations to attain sustained success and expansion in the current digital environment.

A Deep Dive Into Apache Parquet With ClickHouse (Part 2)

Aggregated on: 2023-10-11 15:02:00

This post is the second part of our Parquet and ClickHouse blog series. In this post, we explore the Parquet format in more detail, highlighting key details to consider when reading and writing files with ClickHouse. For more experienced Parquet users, we also discuss optimizations that users can make when writing Parquet files to maximize compression, as well as some recent developments to optimize read performance using parallelization. For our examples, we continue to utilize the UK house price dataset. This contains data about prices paid for real estate property in England and Wales from 1995 to the time of writing. We distribute this in Parquet format in the public s3 bucket s3://datasets-documentation/uk-house-prices/parquet/. We read and write local and S3-hosted Parquet files using ClickHouse Local. ClickHouse Local is an easy-to-use version of ClickHouse that is ideal for developers who need to perform fast processing on local and remote files using SQL without having to install a full database server. Most importantly, ClickHouse Local and ClickHouse Server share the same code for Parquet reading and writing, so any details apply to both. For further details, see our previous post in this series and other recent dedicated content.

LLaMA-v2-Chat vs. Alpaca: When Should You Use Each AI Model?

Aggregated on: 2023-10-11 14:17:00

LLMs have revolutionized tons of aspects of our lives, from language generation to image captioning software to friendly chatbots. These AI models provide powerful tools for solving real-world problems, such as generating chat responses or following complex instructions. In this blog post, part of a series on LLaMA v2, we will compare two popular AI models, LLaMA 13b-v2-Chat and Alpaca, and explore their features, use cases, and limitations. We'll also see how we can use AIModels.fyi to find similar models and compare them to LLaMA13b-v2-Chat and Alpaca. Let's begin.