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Dev
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Redux Toolkit: Creating Thunk Functions
- A thunk function is a function created to handle async logic, like calling an API. It takes two arguments dispatch and getState to dispatch actions and have access to the current state if needed.
- Redux Toolkit provides the createAsyncThunk API to generate thunks easily. fetchUserById is the thunk function created here.
- Besides letting you create thunk functions for API calls, createAsyncThunk automatically dispatches actions to track the state of API requests.
- The extraReducers field in our userSlice is used to handle state status changes.
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Dev
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A Starknet transactions batcher
- This article presents the transactions batcher used in Metacube to send NFTs earned by players instantly.
- The Batcher is composed of two main actors: The Builder and The Sender actor.
- The Builder receives the transactions, batches them into a single multicall transaction, and sends it to the Sender actor.
- The Sender finalizes the transaction with appropriate fields, signs it, sends it to the Starknet network, and monitors its status.
- The Batcher is a scalable and efficient batcher with its actor-based architecture.
- The implementation is specific to Go and sending NFTs from the same contract.
- One could estimate the fee cost of the batch transaction before sending it, but when changes made to the transaction, it must be signed again.
- The batcher presented is versatile but can be generic, and the sender account can be specified.
- The code is easy to use, as a CLI tool to send a bunch of NFTs by batch.
- The Batcher is a key infrastructure component used by Metacube, and the article enlightens its functionality to share with the community.
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Medium
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FileReader and FileWriter in Java: Simplified File Handling
- Java provides FileReader and FileWriter, two character-based file handling classes that simplify reading and writing text files.
- FileReader is a specialized character-based stream for reading text files, handling character encoding automatically.
- FileWriter is a character-based stream for writing text files, handling character encoding and simplifying file output.
- Using FileReader and FileWriter classes effectively is crucial for text file processing in Java applications.
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Medium
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Day 3 of Learning Python: ⬇️ Exploring Strings to Lists
- On Day 3 of the Python learning journey, the focus was on exploring strings and lists.
- Various concepts related to strings were covered, including indexing, slicing, and string formatting.
- The article also highlighted the use of built-in string methods and their functionalities.
- The second part of the day's learning was dedicated to lists, covering list manipulation methods like append, pop, sort, and reverse.
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Prodevelopertutorial
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Tips to become good at programming
- Be good with syntax.
- Dedicate time to solve competitive programming.
- Learn new data structures or algorithms weekly.
- Develop skills in debugging and effective problem-solving.
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Prodevelopertutorial
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How to prepare for coding interview in 3 months.
- In 3 months, focus on learning the basics of programming, data structures, algorithms, system design concepts, and commonly asked coding questions.
- Allocate around 3 to 4 hours daily for preparation, with more time on weekends.
- Choose a programming language and master its fundamentals. Stick to one language during interviews.
- Spend time practicing complex coding problems, especially related to dynamic programming, backtracking, and data structures like linked lists and arrays.
- Dedicate a week to learning system design concepts and another week to understanding OS concepts like process and signals, interprocess communication, semaphores, and sockets.
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Medium
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The Untold Adventures of Debugging: Embracing the Chaos in Code
- Coding is like going on an adventure, searching for treasures of functionality.
- Debugging is the treasure hunt, filled with twists, turns, and potential frustrations.
- Every bug fixed is a lesson learned, teaching resilience and deep understanding.
- Debugging is not just about fixing errors, but about learning and growing as a developer.
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Medium
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How to Start Web Development: A Comprehensive Guide
- Web development refers to the process of creating websites and web applications, which can be categorized as frontend, backend, or full stack development.
- To start web development, understand the basics of the web, learn HTML, CSS, and JavaScript, explore version control with Git, build small projects, dive into frameworks and libraries, learn about databases, understand deployment, and continuously stay updated and keep learning.
- Set clear goals, learn by doing, join a community, and embrace debugging to enhance your learning experience in web development.
- Starting web development may seem overwhelming, but by following a step-by-step approach and practicing consistently, you can become proficient in creating dynamic websites and applications.
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Medium
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Impermanent Loss Protection: How It Works and Why It Matters in DeFi
- Impermanent loss refers to the loss incurred by liquidity providers when the prices of assets in a liquidity pool change relative to each other.
- STON.fi offers impermanent loss protection for its STON/USDT V2 pool, compensating for a portion of losses due to market volatility.
- The protection mechanism compensates up to 5.72% of non-permanent losses in case of a 50% decrease in the value of STON.
- This feature boosts trust in DeFi, incentivizes liquidity providers, and encourages innovation in the decentralized finance space.
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Medium
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History & Timeline of NISAR, the World’s Most Expensive Earth-Imaging Satellite
- The Nisar mission, a collaboration between NASA and ISRO, aims to develop a satellite capable of high-resolution radar imagery of the Earth.
- The partnership combines NASA's L-band radar technology with ISRO's S-band radar development capabilities.
- The timeline of Nisar's development includes the mission agreement in 2014, completion of satellite system design in 2016, and environmental testing in 2022.
- Nisar's advanced radar system has applications in managing natural disasters, climate change research, and agriculture.
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Medium
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Why You Should Quit Programming
- Most people miss out on programming, because they never take effort to see how beautiful it can be
- Coding should be approached with deliberate effort, just like relationships and fitness
- You should not do coding, if you know you are a person who would not do coding if they have enough money to live out their life
- Do what you like, no matter how hard it is. Stop complaining, it's a privilege.
- Pick one thing and absolutely go at it. It is the ultimate experience to give up looking around and loving something to its absolute potential
- If you stick with coding long enough, you will love it. Everything will disappear
- Earn more money to have less resistance in enjoying what you do. Not to relax.
- It's the ultimate suffering, to carry the flame of youth to your deathbed
- People who are doing something they like will have no regrets. They will have enjoyed their youth, and they will be at peace forever
- Stop wasting time and do what makes you happy
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Dev
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Working with XML in Python Requests library
- XML stands for Extensible Markup Language, used for storing structured data and grouping items.
- XML allows the creation of tags with any names, commonly used for Sitemaps and RSS feeds.
- XML files use tags to structure data, such as the example of a breakfast menu.
- Python's Requests library and XML ElementTree module can be used to work with XML data.
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Dev
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How to Develop the Right Mindset as a Programmer
- Programming is a field of constant learning; embracing a curiosity-driven approach is essential.
- Accepting failure as part of the process and using it as an opportunity for improvement is crucial.
- Problem-solving skills and logical thinking are essential for programmers.
- Collaboration, time management, and adaptability are vital for success in programming.
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Medium
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The Rise of AI in Programming: What Developers Need to Know
- AI-driven tools are making debugging and testing processes more efficient.
- AI is enabling the creation of adaptive and efficient algorithms in various fields.
- Developers should grasp the basics of machine learning to gain an edge.
- The rise of AI in programming calls for developers to embrace lifelong learning and treat AI as an assistant.
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Medium
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LiveAPI Devlogs Part 3: Transforming User Onboarding with 3 Industry-Inspired Methods
- Swagger is not a complete solution for user onboarding and can introduce security threats.
- LiveAPI provides a convenient solution to onboard users without friction.
- Three methods inspired by other products are used to address user onboarding difficulties.
- Existing products in the market offer solutions for user onboarding.
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