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Andrew Chen

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Every marketing channel sucks right now

The article discusses the challenges faced by startups in the current marketing landscape.
Common marketing channels like SEO, influencer marketing, PR, email marketing, viral loops, referral/affiliate marketing, and big launches on social media are critiqued for various reasons.
The Law of Shitty Clickthroughs is referenced, indicating that over time, all marketing strategies result in declining effectiveness.
Startups are advised to focus on 'Little Channels' rather than traditional, mature marketing strategies which may already be saturated.
The importance of having a good product is emphasized, as even the best marketing strategies cannot compensate for a poor product.
Embracing novelty, taking risks with branding, and leveraging new technologies for marketing are encouraged as ways to stand out in a competitive market.
The article concludes with a hopeful tone, suggesting that innovation and creativity can help navigate the challenges of the evolving marketing landscape.

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Javarevisited

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5 Example of sort command in UNIX or Linux - Tutorial

Sorting is an essential task in UNIX or Linux, and the sort command provides great support for it.
The sort command can be used to sort the output of a command or set of lines in UNIX.
By combining the sort command with find and grep, you can handle support requests and generate reports easily.
With the use of the unique and sort commands, duplicates can be removed and data can be presented in a sorted manner in UNIX.

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Medium

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Cursor AI vs. GitHub Copilot in 2025: A Comprehensive Feature Comparison for Developers

Cursor AI and GitHub Copilot are two dominant AI coding assistants in 2025.
Cursor AI is an AI-powered code editor built as a fork of Visual Studio Code, with an integrated AI assistant.
GitHub Copilot is an AI coding assistant developed by GitHub in collaboration with OpenAI, which integrates into various IDEs.
Pricing is a significant factor, with Cursor AI having variable monthly bills, while GitHub Copilot maintains a consistent monthly fee.

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PlanetPython

260

PyPy: Doing the Prospero-Challenge in RPython

The Prospero Challenge, involving rendering an image from a mathematical formula, was explored using various optimization techniques.
Most implementations followed Matt's Fidget closely but with additional optimizations.
Prototyping was done in RPython before rewriting the program in C for better performance.
The input program is a sequence of operations where variables are assigned once, and optimizations were applied to speed up execution.
Quadtrees were used to simplify the formula by recursively evaluating in each quadrant based on range analysis.
Peephole optimizations mainly focused on min and max operations, significantly reducing the number of operations executed.
A 'demanded information' optimization was implemented to remove unnecessary operations by considering only the sign of the result.
Testing included property-based tests to ensure the correctness of interval computations and random testing of optimizers.
Further optimizations like dead code elimination and early return flags were explored to improve execution efficiency.
Performance results showed improvements with the demanded information optimization in the C implementation.
The C implementation outperformed the RPython version, showcasing the benefits of low-level optimizations.

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Logrocket

299

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What is vibe coding? And is it worth the hype?

Vibe coding is a new workflow where AI helps in building software by letting ideas flow without getting stuck on structure or rules.
Popularized by Andrej Karpath, vibe coding involves describing what you want, using AI to generate most of it, and tweaking as needed.
Vibe coding tools like Claude, Replit, and Cursor allow for quick idea implementation with AI assistance.
A practical example of vibe coding a time capsule app using tools like Next.js and MySQL showcases the process in action.
While vibe coding offers fast iteration and creative freedom, it also poses challenges like lost context, lack of structure, and overengineering.
Relying solely on AI for code writing without understanding the underlying architecture may not be sustainable in the long run.
A collaborative approach with AI tools, where developers explain their goals and seek guidance step by step, is recommended for long-term viability.
Vibe coding has potential but requires a balanced approach to maintain code quality, context, and control over the software architecture.

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Medium

208

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PicoCTF - “Here’s a LIBC” CTF Writeup

The PicoCTF 'Here's a LIBC' CTF challenge involves a buffer overflow vulnerability.
The vulnerable binary has an unprotected input mechanism, leading to a buffer overflow.
The binary has NX protection, preventing execution of custom shellcode from the stack.
A ret2libc attack is used to bypass the NX protection and achieve code execution.

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Medium

164

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$DMAIL Token Utility & Its Growing Potential in the Web3 Ecosystem

The $DMAIL token is at the core of the Dmail Network's decentralized communication infrastructure.
$DMAIL serves as a medium of exchange for services, a governance token, a security layer, and a reward mechanism.
Dmail offers premium services unlocked with $DMAIL, such as custom NFT domain names and enterprise features.
$DMAIL holders have voting rights and can participate in bounty campaigns, airdrops, staking rewards, and more.

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9 Likes

Dev

112

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Financial and Banking Application Programming

Financial technology (FinTech) has revolutionized how we manage money, invest, and perform banking operations.
Types of Financial Applications include: Banking Apps, Investment Platforms, Budgeting & Expense Trackers, Loan Management Systems, and Payment Gateways.
Key Features of Financial Software include: Security, Real-time Data, Compliance, Transaction Logging, and Integration.
Best Practices for FinTech Development: Encrypt sensitive data, Use tokenization for storing financial credentials, Regular security audits, Test environments before deployment, and Stay updated with financial laws and API updates.

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6 Likes

Dev

264

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Record ownership across Business Units: under the hood

Record ownership across Business Units is a powerful and long-awaited feature.
It can be enabled via PPAC using the provided steps.
The flag value is stored in the orgdborgsettings field of the organization table.
Understanding how Dataverse handles record ownership is essential for designing secure solutions.

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Medium

216

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Getting Started with React

React is a popular JavaScript library for building user interfaces.
Components: React is all about components. A component is a small, reusable piece of code that represents a UI element.
JSX: JSX is a syntax extension for JavaScript that allows you to write HTML-like code in your JavaScript files.
State: State is an object that determines how a component behaves and renders.

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Medium

411

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The Role of NFT Domains in Decentralized Email: How Dmail is Transforming Identity and…

Dmail has introduced a decentralized email experience where your inbox is tied to an NFT domain.
NFT domains are unique tokenized domain names stored on the blockchain.
Dmail lets users mint their own .dmail domain names as NFTs to create their communication identity.
Dmail's NFT domain system offers verifiable communication, ownership, and prevents phishing and impersonation.

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24 Likes

Dev

160

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Secure Your APIs and Web Apps using Spring Security

Spring Security is a reliable tool for enhancing security in Spring applications.
Authentication verifies the identity of a user, while authorization determines the access and rights a user has.
Spring Security provides a Principal object that contains the details of the currently logged-in user.
Configuration of authentication and authorization in Spring Security can be achieved using the AuthenticationManagerBuilder and HttpSecurity objects.

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Dev

104

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Cloudflare Durable Objects & Nuxt: Building a Real-Time Chat App

Cloudflare Durable Objects are powerful and affordable for building real-time applications like chat apps, offering low latency by placing instances close to users.
To leverage Cloudflare Durable Objects with Nuxt, Nuxflare simplifies deployment to Cloudflare Workers and sets up WebSockets servers.
Nuxflare streamlines deployment processes and resource management for Cloudflare, enhancing development workflows.
Durable Objects allow multiple instances to handle state and WebSocket connections, reducing server deployment concerns for developers.
Custom bindings like 'WEBSOCKETS' facilitate access to Durable Objects features such as WebSockets connectivity.
Durable Objects classes like 'WebSockets' manage WebSocket connections, message processing, user authentication, and message broadcasting.
Durable Objects enable hibernation to reduce costs when WebSocket connections are inactive, with state restoration upon reactivation.
Frontend components in Nuxt app can connect to WebSockets server using useWebSocket from @vueuse/core, simplifying real-time data handling.
Deployment with Nuxflare involves configuring infrastructure, creating Worker code to interact with Durable Objects, and deploying the application.
With Nuxflare Pro, developers can access a Nuxt + Cloudflare starter kit, supporting ongoing development efforts within the Nuxt ecosystem.

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6 Likes

Medium

355

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Java’s Anonymous Inner Classes:

Anonymous inner classes in Java are a way to create concise, inline implementations on the fly.
They combine creation and definition, allowing the creation of a helper object specifically for a task without giving it a formal name.
Anonymous inner classes can implement interfaces or extend classes, and they can use local variables from the surrounding code, as long as the variables are final or effectively final.
While lambdas in Java provide a shorter syntax for functional interfaces, anonymous inner classes remain useful for other scenarios and help in writing cleaner code and understanding existing Java patterns.

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21 Likes

Medium

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The Ultimate Toolkit to Get Promoted as a Software Engineer

Grind away at code, meet deadlines, and deliver features to stand out for promotion.
Write code with a long-term perspective and focus on maintainability.
Learn systems design, scalability, and architecture to develop skills of senior engineers.
Improve communication by practicing clear and concise interaction and proactively sharing updates and ideas.

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