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Programming News
Medium
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The Most Used Data Structures in C#: A Fun and Practical Guide with Big O Notation
- A List
is a flexible data structure that automatically resizes when full, making it more versatile than arrays. - A Dictionary
- A Queue
follows a first-in, first-out (FIFO) approach, similar to a coffee line. - A Stack
operates on a last-in, first-out (LIFO) principle, like a plate stack or a VIP bouncer.
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Alvinashcraft
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Dew Drop – January 16, 2025 (#4343)
- PowerSchool data breach resulted in the theft of all historical student and teacher data.
- Microsoft introduces Microsoft 365 Copilot Chat, a collaborative tool for Copilot users.
- Windows App SDK versions 1.6.4 and 1.5.9 have been released.
- Google Workspace now offers generative AI for business customers.
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Prodevelopertutorial
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Building Bridges
- The problem is about building bridges across a river without them crossing each other.
- The solution uses Dynamic Programming and the Longest Increasing Subsequence algorithm.
- The steps involve sorting the south co-ordinates in ascending order and finding the longest increasing subsequence for the north co-ordinates.
- Finally, the bridges are joined in the longest increasing subsequence order.
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Hackernoon
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How to Build a GUI-Based Currency Converter App in Python
- This article explains how to create a Python application to help with currency conversion using GUI.
- Python is beginner-friendly and has powerful libraries to make a variety of applications.
- The tutorial uses Tkinter for an elegant and responsive user interface.
- The article explains how to install requests library and using APIs to fetch real-time currency exchange rates.
- It explains building a GUI where users can input the amount and from/to currency, Calculate the converted amount and display the result.
- The article provides detailed code insights on fetching exchange rates, performing currency conversion and setting up the GUI.
- The tk.Tk class initialises the root window UI object for the app.
- The article uses the perform_conversion function to get the amount and the from/to currency that the user enters in the GUI.
- The article sets up a global variable, result_label to display the conversion output.
- Overall, a good tutorial to learn Python basics and Tkinter to create simple and responsive GUI.
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Medium
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Top vs. /proc/meminfo: Understanding Linux Memory Usage Discrepancies
- Ncurses is a powerful library for manipulating the terminal screen and creating interactive command-line applications.
- It allows for creating windows, moving the cursor, displaying text, and handling user input.
- Combining C with Ncurses enables efficient resource utilization and precise screen control.
- Efficient memory management and handling user input are important aspects of building robust Ncurses applications.
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Logrocket
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Preventing project bloat as a product manager
- Project bloat is the introduction of unnecessary and excessive processes, workflows, and procedures that hinder product development.
- It leads to reduced productivity, delayed timelines, and decreased team morale.
- Some common examples of project bloat include multiple approvals for minor actions, generating redundant or excessive meeting reports, and using complex ticketing systems.
- Project bloat projects differ slightly from scope creep.'
- Project bloat differs from scope creep, which is about expanding the project’s scope without stakeholders' approval.
- Several factors can contribute to project bloat, including organizational culture, inefficient resource allocation, poorly-defined project objectives, stakeholder demands, and legacy processes.
- Symptoms of project bloat include extended timelines, reduced productivity, team frustration, and siloed communication.
- Strategies to prevent project bloat involve conducting an audit of current processes, applying lean and agile methodologies, encouraging a culture of trust and autonomy, and ensuring clear communication between teams.
- Regular monitoring and proactive planning can help ensure teams remain responsive and agile while addressing project bloat.
- Addressing project bloat helps create more efficient workflows, improve employee morale and productivity.
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Dev
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131
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Managing Multiple SSH Keys for Different Git Hosting Platforms (GitLab & GitHub)
- If you have multiple GitHub or GitLab accounts, you might run into SSH key conflicts when pushing or pulling repositories.
- Step 1: Generate SSH Keys for Each Account
- Step 2: Add SSH Keys to Git Hosting Platforms
- Step 3: Configure SSH to Use Different Keys
- Step 4: Clone Repositories Using the Correct SSH Key
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Medium
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442
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How would build a B2B product today
- Handle numerical data related to automation using a traditional SQL related DB.
- Utilize a facet-driven, metadata curated vector database for extracted text, with documents stored in cold storage accessed via UUID for records and compliance use.
- Create an organization-wide knowledge graph to serve as a role-based access control mechanism.
- Incorporate external AI products like GPTs to improve processes and knowledge creation, with limitations on accessing and sharing internal, private data.
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Dev
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447
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Angular 19: Updating our projects and harnessing its latest features
- Angular 19 introduces features that improve developer experience and performance.
- Key features to explore in version 19 include enhanced Server Side Rendering, signal-based Resource API, view transitions with withViewTransitions, and Incremental Hydration.
- Developers can now explicitly configure how specific routes are rendered with the Server Routes Configuration feature.
- The newly introduced signal-based Resource API allows developers to manage application state and HTTP requests more effectively with signals, providing a reactive paradigm for state management.
- View Transitions with withViewTransitions enables smoother transitions between routes by running the route activation and deactivation inside document.startViewTransition.
- Incremental Hydration in version 19 allows developers to annotate parts of the template with the already-familiar @defer syntax, instructing Angular to render them on specific triggers lazily.
- Angular v19 supports hot module replacement (HMR) for styles out of the box and enables experimental support for template HMR, making it easy for developers to update their styles and templates without needing a page refresh.
- Upgrading Angular to version 19 provides a variety of new features that can greatly benefit Angular projects.
- Exploring these enhancements can improve the performance, usability, and maintainability of Angular applications.
- The article provides examples of how to update existing Angular applications to utilize these features and where to get assistance if needed.
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Dev
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298
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Microservices: Common Misconceptions and Practical Realities
- Microservices have become a buzzword in software development, but many developers have limited understanding about their advantages, drawbacks, and use cases.
- Developers believe microservices enable diverse frameworks and languages, simplified maintenance, improved testing, and enhanced scalability.
- The reality of microservices includes added complexity, the acknowledgment that monolithic architectures can still be suitable, and the need for nuanced decision-making based on specific use cases.
- A shift in architectural thinking focuses on modularity, appropriate service granularity, and effective integration strategies rather than a strict microservices-first approach.
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Prodevelopertutorial
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Box Stacking Problem
- This tutorial explains how to solve the box stacking problem using dynamic programming (DP) approach.
- The box stacking problem involves determining the maximum height that can be obtained by stacking boxes in such a way that the top box has a smaller length and width than the bottom box.
- The DP approach involves sorting all possible box rotations by the base area and then checking which boxes can be stacked on top of any particular box.
- The approach also includes the longest increasing subsequence concept.
- The DP array stores the maximum height achievable with a particular box configuration while the result array stores the configuration of boxes that can be stacked together.
- The DP array is initialized with the height of the boxes. Then, the maximum possible height is calculated and updated in DP and result arrays using the longest increasing subsequence concept.
- The final height is obtained by adding up the heights of the individual boxes in the stacked configuration.
- This problem can be applied in various real-life scenarios such as shipping, storage, or transportation of objects.
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Medium
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384
Here's an article about AI:
- Artificial intelligence (AI) refers to the development of computer systems that can perform tasks requiring human intelligence.
- There are different types of AI, including narrow or weak AI, general or strong AI, and superintelligence.
- AI has applications in healthcare, finance, education, and transportation.
- Platforms like Meta's AI Studio allow users to create their own AI characters with customizable features.
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Medium
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185
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Critical OpenVPN Related Vulnerability Exposes Users’ Private Keys
- A critical vulnerability in OpenVPN Connect versions prior to 3.5.0 exposes users' private keys.
- The flaw allows attackers with physical access to retrieve the private key from debug logs.
- Exploitation requires enabling Developer Mode, USB Debugging, and technical expertise.
- OpenVPN has released version 3.5.0 to address the vulnerability; users should update immediately.
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PlanetPython
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27
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Django Weblog: Hello from the new Steering Council; and a quick temporary voting process change
- The Django Steering Council is making a temporary change to the voting process.
- The formal voting process has not been effective, and the Council wants to refresh Django's governance.
- To expedite decision-making, the Council will suspend the public voting system and deliberate internally.
- The Council will summarize their opinions and share them publicly.
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Dev
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36
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Game Day Event Notification using AWS Serverless Services
- This project is a real-time alert system designed to deliver NBA game day score notifications to subscribed users through SMS or email.
- Features include fetching live NBA game scores using an external API, sending formatted score updates to subscribers via SMS/Email using Amazon SNS, scheduled automation for regular updates using Amazon EventBridge, and following the principle of least privilege for IAM roles.
- Technologies used include AWS as the cloud provider, SNS, Lambda, and EventBridge as the core services, NBA Game API (SportsData.io) as the external API, Python 3.x as the programming language, and least privilege policies for IAM roles for security.
- Challenges encountered include errors fetching API keys from environment variables and timeouts during Lambda execution.
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