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165

Given an array, find all the repeated elements in C language.

The solution is very simple.
Traverse through the array and make the element in that index negative to mark it as unique.
If a repeated element is encountered, check if it is negative and print it as a repeated element.
Example: For input {1, 3, 2, 7, 5, 1, 3}, the output will be 1, 3.

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Dev

243

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Top 10 Best Open Source Next.js Projects to Learn From

Next.js is a powerful tool for creating modern web experiences, and exploring open source projects can help level up your development skills.
Here are 10 excellent open source projects built with Next.js that can help you gain valuable insights into best practices, architectural patterns, and problem-solving techniques.
Cal.com is a well-structured project that demonstrates how to build a complex web application with Next.js. It showcases advanced concepts like data fetching, API integrations, and UI component design.
Rallly is a good example of how to build a user-friendly application with a focus on UX. It utilizes modern tools and libraries and provides a clean and maintainable codebase.
Photoshot showcases how to integrate AI models into a Next.js application and create a fun and engaging user experience.
Documenso demonstrates how to build a secure and reliable application for handling sensitive data and implementing complex workflows.
Inbox Zero provides insights into building a feature-rich web application with Next.js and integrating AI capabilities.
OpenResume is a good example of how to build a tool with a focus on user experience and design.
Formbricks provides insights into building interactive forms and handling user input in Next.js applications.
Infisical provides insights into building a secure application with Next.js and handling sensitive data.
Plane demonstrates how to build a complex web application for project management with Next.js.
Payload CMS is a robust project that demonstrates how to build a full-stack application with Next.js and integrate it with a database and a CMS. It's particularly valuable for learning how to build content-driven websites and web applications.

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Javacodegeeks

260

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How to Format Java Code from the Command Line

Properly formatted code is essential for enhancing readability, maintainability, and collaboration within development teams.
This article delves into several tools and methods for formatting Java code from the command line.
Google Java Format is a powerful tool designed to enforce a consistent style guide for Java code, ensuring readability and adherence to standards.
Artistic Style (Astyle) is a flexible and general-purpose code formatter that supports C, C++, and Java programming languages.
After downloading Astyle, we can easily format our Java code by running a simple command in the terminal
We can format a single Java file by executing a simple command using idea.sh script.
Each tool offers unique features to ensure your code adheres to consistent styling guidelines, making it more readable and maintainable.
Downloadable source code is also available.
This article provides a guide on how to format Java code using command line tools.
Tools discussed in this article include Google Java Format, Artistic Style (Astyle), and IntelliJ IDEA‘s idea.sh script.

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PlanetPython

Juri Pakaste: New Swift Package: provision-info

Juri Pakaste has released a new Swift library called provision-info.
provision-info is a Swift package for macOS that parses and shows information about provisioning profile files.
It includes a command line tool and a Swift library, with a possibility of working on iOS as well.
The library relies on Apple's Security framework and offers features to print metadata fields, entitlements, device IDs, and certificates from profile files.

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VentureBeat

226

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The 4 biggest AI stories from 2024 and one key prediction for 2025

2024 was a huge year for the commercialization of artificial intelligence with new firms and large models being introduced.
OpenAI released o1 and o3 large general-purpose models which provide better accuracy in coding and science tasks.
Google's Gemini series, once mocked for their image generations, came back roaring with more powerful versions that are increasingly appealing to businesses.
In 2025, AI-generated content will proliferate across business and consumer domains, enhancing personalization and driving efficiency.
Large language models and generative AI-powered robotics will revolutionize automation and human-robot interactions in commercial and consumer settings.
Salesforce unveiled Agentforce 2.0 and Google launched Project Astra, a real-time AI assistant designed to enhance user productivity.
Open-sourcing AI and expanding its offerings, SAP converted its Joule chatbot into an AI agent powered by large language models.
Firms began developing specific AI-powered bots, applications, and workflows that can work independently on specific problems.
New AI technologies such as Liquid AI's Liquid Foundation Models beyond the Transformer architecture began to surface.
2025 will see the debut of large-scale deployments of large language models and generative AI-powered robotics.

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Prodevelopertutorial

330

Given an unsorted integer array, find the smallest missing positive integer.

Given an unsorted integer array, find the smallest missing positive integer.
The solution involves iterating through the array, swapping elements to their correct positions based on their values.
After swapping, iterate through the array again to find the smallest index that is not equal to its value.
Return the smallest missing positive integer.

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Prodevelopertutorial

395

Given an unsorted array, and a key. Find 2 elements such that the difference between the elements is equal to the key.

Given an unsorted array, and a key, find 2 elements such that the difference between the elements is equal to the key.
The problem can be solved using two approaches: brute force method and sorting.
In the brute force method, two nested loops are used to compare each pair of elements and check if the difference matches the key.
In the sorting approach, the array is first sorted in ascending order and then a two-pointer technique is used to find the elements with the desired difference.

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Prodevelopertutorial

339

Given an unsorted array, find the least difference between the element pairs. Display all the pairs present.

Given an unsorted array, the task is to find the least difference between the element pairs and display all the pairs present.
To solve this problem, we can follow the following steps:
1. Sort the given array.
2. Find the least difference among adjacent elements.
3. Print all the pairs with the least difference.
By applying the given solution, the pairs with the least difference {1, 2}, {2, 3}, {3, 4}, and {4, 5} can be obtained from the input array {5, 4, 3, 2, 1}.
A C programming solution for this problem is also provided in the news content.

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Prodevelopertutorial

147

Given an unsorted array, find the minimum difference between 2 elements.

Given an unsorted array, the output should be the minimum difference between the elements and the elements itself.
The problem can be solved by iterating through the array using two nested loops and calculating the absolute difference between each pair of elements.
The first solution has a time complexity of O(n^2) and involves comparing each pair of elements.
The second solution involves sorting the array first and then finding the minimum difference by comparing adjacent elements, with a time complexity of O(n log n).

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Dev

252

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The mistery of the hidden Ruby object called Singleton Class

Ruby is an Object-Oriented programming language in which everything is an object.
Singleton Class, also known as Eigenclass, Anonymous Class, or Object-Specific Class is a hidden Ruby object.
Ruby Singleton Classes are responsible for class methods, allowing for adding methods to pre-defined objects.
The syntax def self.open and def my_home.lawn_situation access the Singleton Class of objects to add methods that only affect the respective objects.
By using the Singleton Class, we can override object methods to help us create some specs.}
Singleton Class is created only once and doesn't change its state across multiple calls.
As Ruby is an object-oriented language, understanding its features like the Singleton Class can help in avoiding errors and analyzing issues.
Experienced Ruby programmers can use the Singleton Class to write better code and for some advanced use cases.
Ruby Singleton Class is an essential concept that any Ruby developer should understand.
The understanding of the Singleton Class concept is a good starting point for learning more about the Ruby language.

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Prodevelopertutorial

169

Given an array, the difference between the elements is one, find if the “key” element is present or not.

Given an array, the difference between the elements is one, find if the 'key' element is present or not.
Example:
Array: {5, 6, 7, 6, 5, 4, 3, 4, 5, 6}
Key: 4

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Dev

286

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Is there too much focus on javascript?

Developer education is heavily focused on web development and JavaScript.
JavaScript has become the language for most code examples due to its use in both frontend and backend development.
Specialization in JavaScript may lead to a lack of awareness of other potential solutions.
Using JavaScript exclusively may skip the benefits of other languages and hinder communication with native speakers.

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Johndcook

156

Starlink configurations

Starlink satellites are launched in groups and initially orbit in a line close together.
Spreading communication satellites evenly in a sphere is neither desirable nor possible due to uneven human population distribution and technical constraints.
Satellites in low earth orbit (LEO) orbit at different altitudes and velocities to avoid collisions and ensure efficient signal transmission.
Constant maintenance is required to account for real-world departures from ideal Keplerian conditions and to avoid satellite collisions.

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RealPython

247

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How to Remove Items From Lists in Python

Removing items from a Python list is a common task that you can accomplish with various techniques.
The .remove() method allows you to delete the first occurrence of a specified value, while .pop() can remove an item by its index and return it.
The del statement offers another way to remove items by index, and you can also use it to delete slices of a list.
To remove items from a certain position in a list, you use the .pop() method.
To delete items and slices from a list in Python, you use the del statement.
You use the .remove() method to delete the first occurrence of a specified value from a list.
To remove all the items from a list, you use .clear().
You can also remove duplicate items using a loop, dictionary, or set.
One approach is to use the .pop() method.
Python lists use zero-based indexing for positioning, which means that the first element in a list is at index 0, the second element is at index 1, and so on.

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Prodevelopertutorial

425

Sort an array of 0s, 1s and 2s in C

Given an array of elements consisting of 0, 1, 2, the task is to sort the array.
The approach is to count the number of 0s, 1s, and 2s in the array and then place those many 0s, 1s, and 2s in the array.
The implementation is done in C using a counting approach.
The sorted array is printed as the output.

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