Apps like Netflix and Spotify don’t use Apple’s or Google’s in-app payment systems. Instead, they direct users to external websites to sign up or manage subscriptions. But how is this allowed under App Store and Google Play rules, especially when most digital content apps must use native billing?

The Secret Behind How Streaming Apps Avoid Apple & Google Fees

Creating software without relying on cloud services is possible, but it has some important considerations. Many developers think about using cloud platforms for ease and scalability, but it is not a requirement. You can build, run, and maintain software entirely on your own hardware. This article explains how to build software without cloud services and the pros and cons of such an approach.

Can I build a software without using any cloud services?

Many users wonder how ChatGPT, an AI language model, can tell the current date. Since ChatGPT does not have a real-time clock or direct access to the internet during conversations, it seems confusing how it provides date-related information. In this article, we will explain how ChatGPT can know today’s date and how it manages to give accurate answers about the current day.

How Can ChatGPT Know Today's Date?

When you're building an app that sells goods or services, choosing the right payment system is critical. One common question developers ask: Can I use third-party payments like Stripe inside my app? Let’s break down the current policies of Apple’s App Store and Google Play Store in 2025.

Can I Use 3rd Party Payments for Selling Digital Goods in Mobile Apps?

Creating a website similar to Facebook can be a significant investment. It involves many different components, from design and development to infrastructure and ongoing maintenance. Understanding the general costs involved helps to plan better. This article breaks down the main expenses involved in building a social networking website like Facebook.

How much does it cost to build a Facebook website?

If you are a Toast customer, whether you are a restaurant owner or an employee, having access to reliable customer support is essential for addressing issues that may arise with your POS system, hardware, or software. Toast Inc. is known for its comprehensive support services, which are designed to assist users efficiently. In this guide, we will provide accurate and up-to-date information on how to contact Toast customer support.

How to Contact Toast Customer Support

Many developers ask whether it is possible or practical to create software without relying on open source libraries. The idea of building everything from scratch sparks curiosity about the advantages, challenges, and realistic possibilities involved in such an approach. This article explores these questions in detail to help you understand what it takes to write software without open source tools.

Can I Write Software Without Using Any Open Source Libraries?

Coinbase is one of the most popular and widely used cryptocurrency exchanges globally, known for its user-friendly platform and reliable services. However, like any digital platform, users may occasionally encounter issues that require direct assistance from Coinbase’s customer support team. If you're seeking to contact Coinbase customer support, it's important to know the official and accurate methods to do so to ensure your inquiries are handled securely and effectively.

How to Contact Coinbase Customer Support

HDFC Bank is one of India's leading banking institutions, offering a wide range of financial products and services to customers across the country. As a banking customer, you may need assistance with various issues such as account inquiries, debit/credit card support, loan services, or internet banking help. Knowing how to contact HDFC Bank’s customer support efficiently can save you time and provide you with the assistance you need promptly.

How to Contact HDFC Bank Customer Support

In recent years, signing contracts online has become common. Many businesses and individuals prefer digital signatures because they are convenient and fast. But this method also has some risks. It is important to know what these risks are before choosing online signing tools.

Does Signing Contracts Online Have Any Security Risks?

Open source software (OSS) is a popular tool for developers. It saves time, offers transparency, and allows code modification. Many companies use OSS when building Software as a Service (SaaS) products. But some licenses come with rules that may limit how the software can be used.

Can Open Source Software Limit SaaS Development?

AI driven automation is transforming the workforce. Companies use AI tools to streamline operations, enhance productivity, and reduce labor costs. This article explores how AI is changing business practices and what that means for labor costs.

How Does AI Driven Automation Reduce Labor Costs?

The rise of artificial intelligence (AI) brings a powerful new tool to the fight against fraud and the development of automated security systems. AI can analyze massive amounts of data, spot patterns that humans might miss, and respond to threats faster than traditional methods. This improves security in a world where fraud is increasing.

AI Fortifies Security: The Fight Against Fraud

The Partition Equal Subset Sum problem is a classic challenge in computer science. The problem asks whether a given set of integers can be partitioned into two subsets such that the sum of the elements in both subsets is equal. This problem is often presented in coding interviews, and candidates are usually expected to solve it using dynamic programming or recursion. Yet, solving this in SQL presents a unique challenge due to SQL's declarative nature and lack of native constructs for recursion or direct list manipulations.

Can You Solve the Partition Equal Subset Sum Problem in SQL?

Finding consecutive numbers in a database can be a common requirement during technical interviews, especially for candidates seeking positions in data analysis or database management. The challenge can arise from the different ways that data can be structured and the techniques available within SQL.

How Can You Find Consecutive Numbers in SQL?

ReactJS is great for building web apps, but you might want to run your app on mobile devices like iPhones and Android phones in a more native way. You don’t have to rebuild everything from scratch to get your ReactJS app running on mobile. There are a few solid options that let you package your app like a native app and even publish it to the App Store or Play Store.

How can you run a ReactJS web app on iOS and Android?

When working with relational databases, one common task is managing relationships between different entities. In a travel application, for instance, users can book trips, and each trip can be booked by multiple users. Understanding how to effectively model these relationships in SQL is crucial for database design.

How Can We Relate Trips and Users in SQL?

Generative artificial intelligence (AI) is quickly moving beyond creating images and text. It's becoming a powerful tool for businesses looking to improve their performance and plan for the future. Think of it as a business consultant available on demand, ready to analyze data, spot problems, and suggest new ways to grow.

Generative AI: The Business Consultant of the Future

Artificial intelligence (AI) is changing how many businesses operate. Its ability to analyze data, automate tasks, and make informed decisions is impacting many sectors. We will discuss the practical uses of AI in healthcare and finance.

Artificial Intelligence: Transforming Industries

In today's business world, companies are seeking effective ways to maximize their return on investment (ROI) in marketing. Artificial Intelligence (AI) has emerged as a key player in this pursuit. This article explores how AI can be leveraged to improve marketing ROI.

Can AI Help Increase ROI in Marketing?

In many database scenarios, you may encounter duplicate entries that need to be dealt with, especially when it comes to user email addresses. Maintaining a clean database is crucial for operational efficiency, and deleting duplicates is an important task. This article explains how to efficiently remove duplicate email entries from a SQL database.

How Can I Delete Duplicate Emails in SQL?

You've probably interacted with an AI, maybe a chatbot or a writing assistant. You give it a prompt, and it starts producing text, sometimes long passages, that seem to follow a logical train of thought. This raises a fascinating question: how does it actually reason or think to keep generating words, one after another, in a way that makes sense? It's not magic, but a clever process based on patterns and probabilities learned from huge amounts of information. Let's break down how this happens.

How Does AI Actually Reason and Generate Answers?

Self-driving cars are built to drive without human help. They need to know what is around them—cars, people, roads, signs, and many more things. To do this, they use sensors, and one of the most important sensors is the camera. A camera captures images quickly, giving the car a view of the road in real time.

Does the Self-Driving Depend on Analyzing Tons of Images Taken by the Camera Every Second?

Combining two tables in SQL is a fundamental skill for anyone working with relational databases. This process, often referred to as "joining" tables, allows you to see related data across different sources within your database. There are several types of joins available in SQL, each serving different purposes. Here, we'll explore the most common methods: INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN, along with examples to illustrate their usage.

How Do You Combine Two Tables in SQL?

Finding duplicate data, such as email addresses, is a common task when managing databases. Duplicate entries can lead to inaccurate data analysis, unnecessary costs, and other operational inefficiencies. SQL provides powerful tools to help identify these duplicates, ensuring that your database remains clean and efficient.

How Can You Find Duplicate Emails in SQL?

In a SQL database, situations often arise where you need to update existing records based on specific criteria. One common example is adjusting temperature values recorded in a table. This task can be accomplished with an SQL `UPDATE` statement, which modifies the data in existing columns.

How Can We Update Temperature Data in SQL?

Finding the second highest salary in a SQL database is a common question asked during technical interviews. It tests your understanding of SQL queries and how to manipulate data effectively. In this article, we will explore various approaches to solve this problem and provide clear code examples to illustrate each method.

How Can You Find the Second Highest Salary in SQL?

In many organizations, it’s common for employees to take on multiple roles and responsibilities, sometimes leading to them being compensated less than their contribution or market value. This situation is not just a concern for the employees but also for employers who might be losing talent. When discussing this topic in a tech interview, especially when SQL is involved, it is essential to understand how to query databases to identify such discrepancies.

Are Employees Earning More Than Their Pay?

A common question in technical interviews revolves around finding the Nth highest salary from a given set of employee salaries stored in a database. This is a vital skill for SQL developers as it tests understanding of SQL queries, aggregate functions, and subqueries.

How Do You Find the Nth Highest Salary in SQL?

Small businesses are always looking for ways to save money and streamline their operations. One of the most effective tools for achieving this goal is AI. This technology can make work easier and more efficient, allowing small businesses to focus on what really matters. Here are some practical ways small businesses can use AI to cut down on operational costs.

How Can Small Businesses Use AI to Reduce Operational Costs?

AI is becoming a major force in the business world. It provides chances to make operations better and increase profits. This article talks about how AI can help businesses do better and grow.

AI: Boosting Business Success

Data mining helps turn raw information into useful knowledge. Businesses accumulate huge amounts of data daily. This data is generated from all areas of operation, from customer interactions to sales records to internal operations. Without the right tools and methods, it becomes hard to find patterns. Data mining offers methods to sift through this sea of information, extract useful patterns, and turn them into action plans. This article looks at how data mining is applied in customer service, market analysis, and internal data management.

Data Mining: Actionable Insights

A common question in tech interviews involves finding a substring that is a concatenation of a list of words. This scenario helps evaluate a candidate’s problem-solving skills and understanding of string manipulation and data structures. Let’s explore this problem in detail and provide a clear solution.

Can You Find Substring with Concatenation of All Words?

Exness is a globally recognized online trading platform that offers a wide range of financial instruments, including forex, commodities, and cryptocurrencies. Whether you're a seasoned trader or just starting out, there may come a time when you need assistance from their customer support team. This article will guide you on how to contact the Exness help center effectively.

How to Contact Exness Help Center: A Comprehensive Guide

AI is changing how businesses operate, especially in how decisions are made. AI reasoning offers new ways to analyze data, find patterns, and suggest strategies, moving some decision-making from humans to computers. This shift can lead to faster, better-informed choices that help companies compete and grow.

AI Reasoning: Reshaping Business Decisions

Many people wonder if it's possible to run a website without relying on cloud servers. With more options than ever, understanding how websites operate and what alternatives exist can help you decide what best suits your needs. The good news is, a website can function without cloud servers, but there are important factors to consider.

Can a Website Run Without Using Cloud Servers?

Mobile app development often involves choosing the right tools to create apps that work smoothly on multiple platforms like iOS and Android. Capacitor is one such tool that helps developers build apps efficiently. This article will explain what Capacitor is, how it works, and why many developers use it in their projects.

What Is Capacitor for Mobile App Development?

When developing a mobile app that sells digital goods—such as in-game items, virtual currency, eBooks, or premium features—one of the most important decisions you’ll make is how to handle payments. While there are multiple third-party payment solutions available, Apple and Google strongly encourage developers to use their native in-app purchase (IAP) SDKs for digital content. Despite the initial learning curve, using the native iOS (StoreKit) and Google Play Billing SDKs offers major advantages that save time and prevent headaches down the road.

Why You Should Use Native iOS and Google Play SDKs for In-App Payments?

Programming languages come and go. New languages are created regularly to keep up with changing technology and user needs. Yet, some older programming languages are still widely used today. They remain relevant for many types of projects, and knowing them can be very useful. This article talks about some old programming languages that are still popular and why they are worth attention.

Are Old but Still Popular Programming Languages Worth Learning?

In the world of computers, the Central Processing Unit (CPU) and Graphics Processing Unit (GPU) serve different purposes. CPUs handle general tasks, running the operating system, executing applications, and managing input/output operations. GPUs, on the other hand, are specialized for parallel processing tasks like rendering graphics or performing complex calculations in scientific computing. This article explores whether, in theory, a CPU can take over the responsibilities of a GPU.

Is it possible to use CPU to do GPU's work in theory?

Losing access to your phone number used for two-factor authentication (2FA) can be frustrating. It can prevent you from logging into your accounts, and the process to regain access may seem complicated. This article will guide you step by step on what to do if this situation happens.

How to Reset 2FA When You Lose Access to Your Phone Number

Large scale data centers are central to the operation of many modern businesses and internet services. They store, process, and transmit massive amounts of data daily. These facilities are complex and require a wide range of skilled professionals to keep them running smoothly. This article explores the various jobs available in a large scale data center and what roles are involved in maintaining its operations.

What jobs does a large scale data center offer?

Mobile apps have become a crucial part of everyday life. When it comes to building these apps, there are different approaches developers can take. One popular method is creating hybrid mobile apps. This article will explain what hybrid mobile apps are, why they are a good choice for app development, and how the user experience compares to native apps.

What Is a Hybrid Mobile App and Why Is It a Good Approach to App Creation?

Being a data labeler might not be a household name, but this role is crucial in building the technology we use every day. From autonomous cars to voice recognition, data labelers help make these innovations possible. This article explains what a data labeler does each day, including the tasks they handle and the skills they need.

What Does a Data Labeler Do Every Day?

ReactJS is one of the most popular tools for building user interfaces on the web. It’s known for being fast, flexible, and easy to learn. Many developers choose React when building websites or apps that need to update quickly and handle a lot of user interaction.

Why ReactJS Is a Top Choice for Web Developers

Want to build an app but don’t know which tool to use? Whether you’re targeting iOS, Android, or both, the right software can make a big difference—especially for beginners. Here are some top options to get you started.

Which App Development Tool Should You Use? 

AI systems have made great progress in generating natural language and assisting with various tasks. But one challenge that continues to affect their effectiveness is AI hallucinations—where the model generates incorrect or fabricated information that seems plausible. This issue can be a significant barrier, especially when these models are used for critical applications, such as in healthcare, finance, or customer service. Fortunately, one effective way to reduce these hallucinations is through a process called fine-tuning.

Reducing AI Hallucinations Through Fine-Tuning

You might have heard about Java, a popular programming language used for building websites, apps, and large business systems. When people talk about Java, another term often comes up: the JVM, or Java Virtual Machine. Let's break down what it is in simple terms.

What Exactly Is a Java Virtual Machine?

Java has been around for a very long time in the world of software development. New programming languages pop up frequently, yet Java continues to be a major player. Let's look at why this veteran language remains so popular and relevant.

Why Is Java Still So Widely Used After All These Years?

AI image generators have come a long way, creating stunning art, lifelike portraits, and realistic objects. However, one area where they often struggle is generating clean and accurate text within images. Whether it's a logo, a sign, or a book cover, the text in AI-generated images usually looks jumbled, misspelled, or simply unreadable.

Why Is It Hard for AI to Generate Precise Text in Image Generation?

Why Is AI Image Editing So Popular Right Now?

ImageNet is a huge collection of labeled images used to train and test computer vision systems. It helps machines learn how to see and recognize objects. This dataset has played a big role in making AI better at identifying things in pictures. In this article, you’ll learn what ImageNet is, how it works, why it's useful, and how it has been used to train AI models.

What Is ImageNet?

If you've been keeping up with the latest advancements in artificial intelligence, you may have come across the term "experts" in relation to new models like Llama 4. At first glance, it might sound like we're talking about human specialists or domain experts — but in the world of AI, “experts” mean something very different.

What Are “Experts” in AI Models Like Llama 4?

Image labeling is a basic but very important part of working with computer vision. It helps computers recognize what's in a picture. This article explains what labeled images are, what image labeling means, why it's important, and gives a simple example.

What Does a Labeled Image Look Like and What Is Labeling for an Image?

When we say AI “knows” math, we don’t mean it the way a person does. AI doesn’t think or reason like a human. Instead, it follows patterns and rules that it has learned from data. If it sees a lot of math examples, it learns how to spot the right steps to solve similar ones. AI doesn’t have feelings or true understanding, but it can be very good at following learned procedures. That’s what makes it useful for solving math problems.

Why Does AI Know How to Solve a Math Problem?

AI is evolving at an unprecedented pace, giving rise to new research directions that hold the potential to transform industries and reshape society. Here are five cutting-edge topics in AI that are attracting significant interest from researchers and innovators alike:

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Can a Website Run Without Using Cloud Servers?