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Design patterns: Roses with thorns

Design patterns, though beneficial, may have downsides and trade-offs.
Information on when design patterns should not be used is often lacking in available resources.
The author aims to discuss both the advantages and disadvantages of design patterns to encourage deeper analysis and conscious decision-making.
The complexity of advanced systems can involve navigating through layers of abstraction when implementing design patterns.
Each layer of abstraction introduced by a design pattern should be thoroughly understood and analyzed.
Implementing highly flexible solutions based on design patterns can require additional time and effort, which is only worthwhile if future needs can be predicted accurately.
Design patterns offer approaches to solving common problems, but they are not one-size-fits-all solutions.
It is not necessary to implement a design pattern every time a problem aligns with the pattern's definition.
Balancing productivity, performance, and flexibility in software architecture is a complex endeavor with trade-offs.
There is no definitive answer on how to balance these factors, relying on experience and thoughtful decision-making.
The author acknowledges the complexity of design patterns and emphasizes the need for careful consideration in their application.

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Dev

248

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🌟 Build Stunning UIs Instantly with AakarUI – A Native Web Component Library

AakarUI is a native Web Components library built with pure JavaScript, focusing on simplicity, performance, and developer experience.
Components include buttons, input fields, alerts, cards, navigation bars, tabs, accordions, chat boxes, calendars, tables, and more.
No class names or setup required, users can directly use the tags for instant UI components.
AakarUI offers 30+ ready-to-use components with elegant default styles and extensibility across different frameworks.
Each component can be globally accessed with just one line of installation using the CDN link provided.
Developers can build their own design systems on top of AakarUI or contribute by adding new components following the guidelines.
The library's simplicity makes it suitable for quick projects like dashboards, landing pages, or Chrome extensions.
For live demo and documentation, users can visit the provided URL along with the GitHub repository for the project structure and contributions.
AakarUI's usage examples cover buttons, input fields, file uploads, calendars, and chat boxes.
Developers can leverage Shadow DOM for using AakarUI components in different frameworks or create custom components with HTML and JS.
The library aims to provide a fast, simple, native, and aesthetically pleasing UI experience.
Developers can connect with the project creator on GitHub or the official website for feedback, ideas, or contributions.
AakarUI targets those who seek hassle-free UI implementations without the need for extensive framework knowledge.
The library is introduced with the goal of simplifying UI development and offering a range of pre-built components for various UI needs.
With a focus on ease of use and rapid UI setup, AakarUI strives to cater to developers looking for efficient UI solutions.
AakarUI stands out for its lightweight nature, lack of dependencies, and the convenience of direct tag usage for creating UI elements.

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Dev

281

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I Created a Simple Tool to Instantly Preview HTML Generated by ChatGPT

ChatGPT has become a powerful tool for generating HTML and other code snippets, but working with the HTML output can be tedious.
Creating and previewing HTML typically involves manual steps like saving files and opening them in browsers, which can become cumbersome over time.
To address this issue, a simple web tool has been developed to allow instant rendering of HTML code without the need to save files.
Users can paste the HTML code generated by ChatGPT into the tool, click 'Render,' and view the output directly in the browser.
The tool employs document.write() which helps maintain consistent line numbers for debugging purposes if syntax errors occur.
Eliminating the manual process of creating and saving HTML files can enhance workflow efficiency and ease of use.
The developer encourages users to download the tool from GitHub to streamline their coding experience.

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Self-Learning-Java

140

Need to Stop a Running BigQuery Job? Use bq cancel

To stop a running BigQuery job before completion, use the 'bq cancel' command followed by the job ID.
For example, 'bq cancel job_id' will immediately halt the job's execution.
You can find the job ID from various sources like GCP console, logging systems, or bq query outputs.
Using 'bq ls -j' allows listing recent jobs with their details, including job ID.
The 'bq cancel' command helps save costs by stopping long-running or unoptimized queries.
It also allows for quickly interrupting accidental or test jobs.

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Medium

327

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Agentic Architectures Deserve Their Own OSI Model

The OSI model, originally for network protocols, influenced how engineers structure complexity with its seven-layer abstraction.
As autonomous agents become more advanced, a new layering model is needed to focus on goals, memory, actions, and reasoning.
The new model maps the OSI layers to LLM-powered agentic systems instead of TCP/IP.
At the top of the new model is the Application Layer where agents have goals like generating reports or booking meetings.
Prompt assembly, structured tool calls, and knowledge encoding take place in the Presentation Layer of the new model.
Memory and partial reasoning activities are managed in the Session Layer of the reimagined model.

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Self-Learning-Java

148

Getting Started with LangChain4j and Ollama: A Step-by-Step Guide

LangChain4j is a Java-centric tool for building LLM-powered applications, akin to LangChain in Python.
Ollama is a local LLM runtime to run models like LLaMA2 or Mistral on your machine via HTTP.
The guide covers setting up a Java project with LangChain4j, integrating it with Ollama, and utilizing LLMs.
Prerequisites include setting up Ollama and pulling the llama3.2 model.
Step-by-step instructions involve creating a Maven project, updating pom.xml, and defining a HelloWorld class.
The HelloWorld application sends a prompt to LLaMA3.2 and prints the response in the console.
OllamaLanguageModel builder specifies the Ollama model integration details in Java code.
Important details like baseUrl and modelName are set for interacting with the Ollama model.
A prompt is defined to inquire about Interesting Facts about LLMs in a concise manner.
The process generates a Response object including generated content, token usage, finish reason, and metadata.

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Medium

158

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Building a Programming Career in the Age of AI- The Great Programming Language Extinction

The article discusses the decline of various programming languages and provides insights on how to navigate a career in the ever-evolving tech industry.
It mentions warning signs of a dying language, such as job market shifts, community stagnation, and corporate abandonment.
Examples like PHP, Perl, Visual Basic .NET, and Flash/ActionScript are given to illustrate language decline reasons.
The article also highlights how to spot a dying language and suggests ways to future-proof programming skills.
It emphasizes continuous learning, adaptability, and transferable skills for career survival in the face of evolving technologies.
Languages like Python, Go, Rust, and Swift are identified as likely to thrive in the future, considering current trends.
The importance of recognizing technological shifts, efficient learning, and quick adaptation to new paradigms is underscored.
Adaptability is emphasized over language preference for ensuring career longevity in the dynamic programming landscape.
The article concludes with key takeaways, mentioning niche markets for 'dead' languages and the dominance of AI-friendly, cloud-native, and mobile-first languages.
The author invites feedback on languages destined for extinction and discusses the importance of preparing for technological changes.
Overall, the article offers valuable insights for programmers looking to navigate career challenges in a rapidly changing technological environment.

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Dev

202

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Implementing "Suspense" with a simple Observable

Implementing "Suspense" using a simple Observable is shown.
A BehaviorSubject from rxjs is used to emit a placeholder and final result.
Example code provided demonstrates loading data from an API.
Rimmel.js, a UI library, is highlighted for simplifying UI development with reactive streams.
Angular, React, and Vue.js alternatives are mentioned with their complexities.
Manually unsubscribing from streams in other frameworks is noted to avoid memory leaks.
Rimmel.js is praised for facilitating the use of Observables directly in templates.
Rimmel is known to simplify working with reactive streams compared to other UI libraries.
Rimmel.js enables a new development experience by combining reactive streams and UI development.
RxJS is acknowledged as the prime library for reactive streams.
Rimmel.js stands out as the optimal UI library for RxJS integration.
Rimmel.js is recommended for those seeking a streamlined development process.
The article emphasizes the simplicity and effectiveness of using Rimmel.js for UI development with Observables.
Rimmel.js is portrayed as an innovative solution for leveraging reactive streams in UI projects.
In conclusion, Rimmel.js offers a unique development experience with its integration of reactive streams within UI templates.

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12 Likes

Dev

401

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The URL Space is Bigger than the Universe

The author has been working on an operating system that encodes its entire state as a single URL for comprehensive deep linking.
Various methods were attempted to encode/decode data from a string without redundancy, such as query parameters and domain-specific languages.
The incredible number of unique URLs that can exist far surpasses the estimated number of particles in the observable universe.
By changing the base to 64, it's possible to assign a unique base-64 hash to every particle in the universe with a relatively short character string.
The concept of a minimal perfect hash function (MPHF) is discussed, emphasizing the efficiency in assigning unique values to each element in a set.
The author delves into the calculation of the cardinality of all URLs, considering factors like length, protocol, host name, and optional features.
The article explores the complexity of URL structures, variable-length pathnames, special characters, and the final reduced cardinality of the set.
The project required a minimal perfect hash function (MPHF) integrated into a reactive full-stack MVC framework for real-time operating system interaction.
The author's self-taught math and programming background led to a piecewise-defined MPHF, realizing that MVC architecture and MPHF are synonymous in their application.
The algorithm developed is fast, incorporating object-oriented concepts like inheritance and producing a reactive framework for the operating system.

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24 Likes

Dev

401

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Building Dynamic HTTP Handlers in Node.js

The blog post discusses building dynamic HTTP handlers in Node.js, following a previous post on basic HTTP servers in Node.js.
It explains a code snippet from the Node.js documentation and breaks down each part of the code for better understanding.
The code includes creating an HTTP server using createServer(), request handling, and accessing request details like headers, method, and URL directly.
The handling of a POST or PUT request's body using streams and buffers is highlighted, emphasizing the importance of error handling.
Explicitly setting the response's status code and content type for better readability and professionalism is recommended.
The code snippet concludes by collecting request data into an object, converting it to a JSON string, and sending it to the client.
The server is bound to port 8080 to listen for incoming HTTP requests, making the code dynamic, efficient, and reliable.

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Medium

191

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Why Most Teams Still Fail at AI Adoption

Many companies struggle with AI adoption not because of tools but due to a lack of integration into workflows.
Excitement about AI often leads to investing in tools like OpenAI, ChatGPT Pro, Copilot, Claude, or Gemini.
However, after six months, teams often see no significant changes, productivity boosts, or successful automation.
Merely purchasing AI tools doesn't bring transformation; clear integration and definition within processes are crucial.
Successful AI adoption requires a 'Prompt Architect' or 'Workflow Designer' who can merge business understanding with AI capabilities.
The key is integrating AI tools with clear intention and specific business processes.
Most teams lack individuals who can effectively design the 'AI layer' into their existing workflows.
Teams need a hybrid thinker who understands both business needs and AI technology to drive successful AI adoption.
Creating a self-sustaining AI workflow library over time can aid in successful AI integration into operations.

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11 Likes

Dev

190

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🌋 Find All K-Distant Indices in an Array – LeetCode 2200 (C++ | Python | JavaScript)

LeetCode problem 2200 involves finding all k-distant indices in an array, where an index i is considered k-distant if there is at least one index j such that |i - j| <= k and nums[j] == key.
The efficient solution for this problem involves a greedy strategy using pointers, where for each index j where nums[j] == key, all indices i within [j - k, j + k] are added to the result set, covering all valid i within the distance k from the key position.
The C++, JavaScript, and Python solutions provided linearly process the array, ensuring old indices are not rechecked, resulting in a time complexity of O(n) and space complexity of O(1) apart from the output.

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Medium

182

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The Shortest Git and GitHub Setup Guide for Windows

Git is a version control system that tracks changes in code.
Follow visual steps to install Git on Windows by launching the installer and keeping default settings.
GitHub CLI allows direct interaction with GitHub via the command line.
After installation, connect local setup with GitHub account by initializing login and following recommended settings.
Copy and paste the generated 8-character code for authentication.
Authorize GitHub CLI to complete authentication.
Test the setup by checking if repositories are visible.
Visit GitHub Docs or Git Documentation for help with common issues.

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10 Likes

Medium

376

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AIG- Cybersecurity Job Simulation

The job simulation involved working as a Cybersecurity Analyst at AIG to defend against cyber-attacks and vulnerabilities.
Tasks included identifying vulnerabilities, communicating risks, and developing python scripts for recovery.
Mitigation efforts focused on Log4j vulnerabilities and ransomware trends.
Action was taken against the Apache 'Log4j' zero-day vulnerability by contacting affected teams.
Research was conducted on the vulnerability, its impacts, and remediation strategies.
An 'Infrastructure List' was used to identify affected systems and teams.
An advisory email was drafted to notify the Product Development team of the seriousness of the Log4j vulnerability.
The Log4Shell vulnerability could allow unauthorized remote code execution.
Impacts included potential system compromise and unauthorized activity.
Remediation steps included updating affected systems to the latest patch versions.
Specific upgrade recommendations were provided based on Java versions.
Simulation entailed drafting professional reports on vulnerabilities, impacts, and remediation strategies.
The advisory email highlighted the critical nature of the Log4j vulnerability.
Emphasis was placed on immediate identification and mitigation of affected systems.
The simulation showcased real-world cybersecurity tasks and responses to critical vulnerabilities.
It demonstrated the importance of proactive cybersecurity measures in defending against cyber threats.

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Idownloadblog

107

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Vertex exploit gets updated to support all versions of iOS 14 and 15

Security researcher @alfiecg_dev updates Vertex exploit to support all versions of iOS 14 and 15.
Vertex exploit originally teased the Apex jailbreak for select iOS 14 devices.
The exploit now includes the landa PUAF method, extending support to all iOS 14 and 15 devices.
Many jailbreakers remain on older firmware to benefit from such developments.
@alfiecg_dev made the update available on their GitHub page for developers.
There may be updates for older jailbreaks to incorporate this new exploit.
The Apex jailbreak could potentially integrate support for the latest Vertex updates.
@alfiecg_dev previously worked on the Trigon deterministic exploit with a 0% failure rate.
They were also involved in the development of TrollStore and TrollInstallerX.
The security researcher continues to make an impact and remains a prominent figure in the jailbreak community.
Future developments from @alfiecg_dev are eagerly anticipated.
The Vertex exploit now supports all versions of iOS 14 and 15.
The exploit includes the landa PUAF method, expanding the range of compatible devices.
@alfiecg_dev's GitHub page contains information about the updated exploit.
There might be updates for older jailbreaks to incorporate the new exploit.
The Apex jailbreak may incorporate support for the latest Vertex updates.

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