FSdata

AIOps in Production: DevOps Guru, CloudWatch Anomaly Detection, and Dynatrace Davis

FSdata — Sun, 07 Jun 2026 00:00:00 +0000

Technical analysis of AIOps tools for critical environments. Comparison between Amazon DevOps Guru, CloudWatch Anomaly Detection, and Dynatrace Davis AI.

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Evaluating the SpaceX IPO: An Autopsy of Capital

FSdata — Sun, 07 Jun 2026 00:00:00 +0000

Financial and praxeological analysis of the SpaceX IPO. Evaluating the IPO price against its intrinsic value based on cash flows and competitive moats.

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Billing Shock and the Limit of Autonomous CI/CD

FSdata — Wed, 03 Jun 2026 00:00:00 +0000

Why AWS and Azure have introduced billing circuit breakers to stop the cost overruns generated by AI agents caught in infinite CI/CD loops.

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DORA breaks MTTR: Human-MTTR vs Agent-MTTR in the agentic era

FSdata — Wed, 03 Jun 2026 00:00:00 +0000

DORA updates DevOps performance metrics by splitting the classic MTTR into Human-MTTR and Agent-MTTR to measure autonomy in incident resolution.

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WebAssembly Takes the Crown as the Standard Sandbox for AI Agents

FSdata — Wed, 03 Jun 2026 00:00:00 +0000

We analyze why WebAssembly is the CNCF's proposed sandbox to isolate autonomous AI agents and protect the local developer environment from malicious code.

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Beyond log summarization: the year AI agents took over the pager

FSdata — Mon, 01 Jun 2026 00:00:00 +0000

Analysis of the 2026 paradigm shift in incident management with autonomous AI agents that isolate networks and propose hotfixes.

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Autonomous Agents or Glorified Orchestration? My Take on Cloud AI Live Madrid 2026

FSdata — Thu, 28 May 2026 00:00:00 +0000

A critical analysis of Google Cloud’s agentic era, dissecting the keynote and live demos at IFEMA and providing a secure SQL execution pattern.

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The Cantillon Effect and the Gold Rush: Why New Money Doesn’t Reach Everyone at Once

FSdata — Thu, 28 May 2026 00:00:00 +0000

Explaining the Cantillon effect through a real gold rush story. How localized monetary injections distort prices and resource allocation.

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The agent debate: Qwen3.7 Max, Linux, and the code that writes itself

FSdata — Tue, 26 May 2026 00:00:00 +0000

Technical analysis on agentic workflows, Qwen3.7 Max autonomy, and the use of Google-managed Linux environments for development.

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DevOps Agents on call: when AI wakes up before you do

FSdata — Tue, 26 May 2026 00:00:00 +0000

How the Commonwealth Bank of Australia uses DevOps AI Agents to investigate incidents at 2 a.m., drastically reducing downtime.

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Gemini Goes Agentic: From toy chat to compiling Android in the browser

FSdata — Tue, 26 May 2026 00:00:00 +0000

Technical analysis of Gemini's agentic capabilities and Google AI Studio's new Build Mode for developing native Android apps.

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Demand for AI Developers

FSdata — Sun, 24 May 2026 00:00:00 +0000

Analysis of how the reduction in code production costs thanks to AI is multiplying the volume of software and skyrocketing the demand for developers.

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Multi-agent Coordination and Evaluation

FSdata — Sun, 24 May 2026 00:00:00 +0000

How the Supervisor-Worker pattern optimizes multi-agent orchestration, reducing hallucinations and making evaluation easier in LLM pipelines.

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Tool Integration and the MCP Protocol

FSdata — Sat, 23 May 2026 00:00:00 +0000

Technical introduction to the Model Context Protocol (MCP). Learn how to expose local tools to equip LLMs with real capabilities through servers.

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Antigravity 2.0: The Evolution Toward "Agent-First" Development

FSdata — Tue, 19 May 2026 00:00:00 +0000

Technical analysis of Antigravity 2.0 and its Agent-First approach. How this tool orchestrates dynamic subagents to automate complex architectures.

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Artificial productivity and technical debt

FSdata — Sun, 17 May 2026 00:00:00 +0000

Analysis on the risks of blind adoption of generative AI in software development. How AI slop skyrockets corporate technical debt in the long run.

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Governance and Guardrails in Production

FSdata — Sat, 16 May 2026 00:00:00 +0000

Implementation of guardrails and human-in-the-loop barriers to govern AI agents in production, preventing destructive actions from compromising your software.

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Agent Fundamentals and State Management

FSdata — Sun, 10 May 2026 00:00:00 +0000

Explores the technical fundamentals of AI agents. How ReAct decision loops work and memory management strategies to prevent hallucinations.

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Why dashboards aren't enough: the need for raw data

FSdata — Sun, 10 May 2026 00:00:00 +0000

Why business users ask to download in Excel and how transaction-level exploration solves the limitations of rigid BI dashboards.

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Does building more housing help lower the price?

FSdata — Sat, 02 May 2026 00:00:00 +0000

Economic analysis on whether the increase in new construction permits and the building of homes manage to mitigate the rise in prices in Spain.

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Knowledge bases governed by LLMs

FSdata — Sat, 07 Mar 2026 00:00:00 +0000

Technical workflow for using LLMs as autonomous librarians that process raw documents and maintain a knowledge base in Markdown.

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From Zero to Production: My Own Static Generator in Python

FSdata — Thu, 05 Feb 2026 00:00:00 +0000

Architectural guide on how to replace complex frameworks with a minimalist static generator in Python, using Markdown, Jinja2, and GitHub Pages.

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Why single-agent workflows are dead

FSdata — Mon, 19 Jan 2026 00:00:00 +0000

Discover why single-agent workflows saturate LLMs. A practical guide to designing specialized agent teams with immutable state and fault tolerance.

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Agent Payment Protocol (AP2): Autonomous and secure payments in the age of agents

FSdata — Tue, 16 Sep 2025 00:00:00 +0000

The Agent Payment Protocol (AP2) acts as a security layer to delegate purchases to artificial intelligences using digital mandates, without exposing your credit card.

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The end of the "Senior" wildcard: Why system architecture matters now more than ever

FSdata — Wed, 20 Mar 2024 00:00:00 +0000

Reflection on the role of the Senior developer in the era of generative AI. Why system design and software architecture are now more critical than writing code fast.

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My First Local Open Source Model: Running Llama 3 on My Own Laptop

FSdata — Thu, 15 Feb 2024 00:00:00 +0000

Technical analysis of how to run Large Language Models (LLMs) like Llama on local hardware. The impact of quantization (GGUF) and Ollama in democratizing AI without relying on third-party APIs.

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RAG (Retrieval-Augmented Generation): AIs can finally query the enterprise database

FSdata — Fri, 10 Nov 2023 00:00:00 +0000

Implementation of the RAG (Retrieval-Augmented Generation) architecture to provide private enterprise context to LLMs using vector databases.

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Prompt Engineering and the LangChain ecosystem

FSdata — Mon, 15 May 2023 00:00:00 +0000

Introduction to LangChain and Prompt Engineering. How to orchestrate chains of Language Model (LLM) calls to build complex applications that go beyond simple chat.

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From microservices back to the monolith: The Amazon Prime Video case and the cost of the network

FSdata — Sat, 25 Mar 2023 00:00:00 +0000

Rigorous analysis of the Amazon Prime Video case, which reduced its infrastructure costs by 90% by migrating from serverless microservices to a monolithic architecture.

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ChatGPT changes everything: The day the conversational interface dethroned the classic search engine

FSdata — Wed, 30 Nov 2022 00:00:00 +0000

Technical analysis of the ChatGPT launch. How fine-tuning via RLHF has transformed a language model into a conversational assistant that threatens traditional web search.

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Web3, NFTs, and why data engineers view the blockchain with skepticism

FSdata — Wed, 05 Jan 2022 00:00:00 +0000

Technical critique of the Web3 and NFT bubble. Analysis of the inefficiency of the blockchain as a database compared to traditional centralized transactional solutions.

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GitHub Copilot and my first days doing pair programming with an AI

FSdata — Fri, 18 Jun 2021 00:00:00 +0000

First impressions using GitHub Copilot (Codex) to program. Technical reflection on how language models will transform developers into code reviewers.

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Snowflake vs BigQuery: The war for the cloud Data Warehouse

FSdata — Thu, 22 Oct 2020 00:00:00 +0000

Architectural comparison between Snowflake and Google BigQuery. Analysis of compute and storage separation, and cost management (FinOps) in cloud analytical databases.

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The pandemic, forced remote work, and how corporate VPNs weren't ready

FSdata — Wed, 15 Apr 2020 00:00:00 +0000

Technical lessons from the forced migration to remote work during the lockdown. The collapse of traditional VPNs (Hub and Spoke) and the acceleration toward Zero Trust architectures.

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GPT-2 and OpenAI's fear of releasing the full model: Marketing or technical prudence?

FSdata — Fri, 25 Oct 2019 00:00:00 +0000

Technical analysis of GPT-2 and the "Decoder-only" Transformer architecture. Reflection on OpenAI's decision to withhold the model claiming it is dangerous and the future of AI-generated text.

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From Monoliths to Microservices: When It Makes Sense and When It's a Suicide

FSdata — Sun, 10 Mar 2019 00:00:00 +0000

Critique of the blind adoption of microservices architectures. Technical analysis of network latency and transactional complexity versus the simplicity of the classic monolith.

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GDPR goes into effect this week: Why anonymizing legacy databases is a nightmare

FSdata — Sun, 20 May 2018 00:00:00 +0000

The technical and architectural challenges of the GDPR. The nightmare of applying the right to be forgotten and pseudonymization in legacy relational databases.

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Cloud Data Warehouses: Comparing Redshift and BigQuery after using both in production

FSdata — Fri, 10 Nov 2017 00:00:00 +0000

Technical comparison of cloud analytical databases. Production experience managing Amazon Redshift clusters versus Google BigQuery's serverless architecture.

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It took me a month to understand it, but the "Attention Is All You Need" paper is brilliant

FSdata — Tue, 15 Aug 2017 00:00:00 +0000

Technical analysis of the paper "Attention Is All You Need". How the Self-Attention mechanism of Transformers is revolutionizing Natural Language Processing.

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Data Lakes: The future or a "Data Swamp"?

FSdata — Fri, 28 Oct 2016 00:00:00 +0000

Critique of the Data Lakes trend. Risks of dumping raw data without governance and the fundamental difference between Schema-on-read and Schema-on-write.

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Introduction to Apache Kafka: The central nervous system of your data

FSdata — Sat, 14 May 2016 00:00:00 +0000

Introduction to Apache Kafka as a distributed commit log. Why real-time processing (streaming) is replacing traditional batch ETL processes.

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AlphaGo defeats Lee Sedol: Watching the games live and understanding that this has moved faster than we thought

FSdata — Sun, 20 Mar 2016 00:00:00 +0000

Technical analysis of AlphaGo's victory over Lee Sedol. Differences between classic brute force (Deep Blue) and Deep Reinforcement Learning.

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Wrestling with TensorFlow: My first ML scripts a month after Google released it

FSdata — Thu, 10 Dec 2015 00:00:00 +0000

First experiences programming neural networks with TensorFlow after its release by Google. Analysis of static computational graphs and its learning curve.

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The Hadoop ecosystem: HDFS, YARN and Apache

FSdata — Sun, 15 Feb 2015 00:00:00 +0000

Survival guide in the complex Apache Hadoop ecosystem. Technical explanation of the separation between storage (HDFS) and compute resource management (YARN).

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The performance wall: When your Data Warehouse no longer scales

FSdata — Fri, 12 Sep 2014 00:00:00 +0000

Technical analysis of the physical limit of traditional Data Warehouses. Differences between SMP (Scale-up) and MPP (Scale-out) architectures, and the introduction of columnar storage.

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Tinkering with Apache Spark 1.0 locally: Will this kill my MapReduce jobs?

FSdata — Sun, 15 Jun 2014 00:00:00 +0000

Technical analysis of Apache Spark 1.0. Why its in-memory processing paradigm (RDDs) means the imminent end for slow disk-based Hadoop MapReduce jobs.

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Integrating image scripts into corporate data flows

FSdata — Tue, 05 Nov 2013 00:00:00 +0000

How to integrate massive image processing and compression (ImageMagick/Python) into data flows (ETL) to automate e-commerce catalogs.

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My Kickstarter Pebble has arrived: Hacking in pure C to make my Watchface

FSdata — Tue, 24 Sep 2013 00:00:00 +0000

First impressions of the Pebble smartwatch. Technical experience programming a custom watchface using its SDK in pure C.

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R.I.P. Google Reader (2005 - 2013): Closes today and the web loses a bit of its soul

FSdata — Tue, 02 Jul 2013 00:00:00 +0000

A tribute to Google Reader after its definitive shutdown on July 1, 2013. Technical analysis of RSS technology versus the rise of closed feeds and social media algorithms.

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The Snowden case: Encryption, databases, and our ethical responsibility as computer scientists

FSdata — Thu, 20 Jun 2013 00:00:00 +0000

Technical and ethical reflection following Edward Snowden's leaks about the PRISM program. The importance of encryption at rest and our responsibility over data.

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Enterprise report automation: Letting Excel die

FSdata — Thu, 10 Jan 2013 00:00:00 +0000

Technical critique of the abusive use of Excel as a database in companies. How to automate fragile reports using Python and SQL to prevent data corruption disasters.

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The impact of AlexNet on ImageNet: Reading about how neural networks just destroyed classic vision algorithms

FSdata — Mon, 10 Dec 2012 00:00:00 +0000

Technical analysis of the impact of the AlexNet paper on the ImageNet competition. How Convolutional Neural Networks (CNNs) and GPUs are revolutionizing computer vision.

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Evaluating visualization tools: QlikView vs Tableau in a real-world setting

FSdata — Fri, 15 Jun 2012 00:00:00 +0000

Technical comparison between QlikView 11 and Tableau Desktop 7. Evaluating the associative in-memory engine versus the visual query engine (VizQL) for Business Intelligence.

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15 May 2012 - Migrating my files to Google Drive: The war against Dropbox has begun

FSdata — Tue, 15 May 2012 00:00:00 +0000

Experience migrating files to Google Drive after its launch. Technical analysis of file synchronization algorithms (delta sync) compared to Dropbox.

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28 Feb 2012 - OLAP Cubes: Why your aggregate queries now fly

FSdata — Tue, 28 Feb 2012 00:00:00 +0000

Explanation of the inner workings of OLAP cubes (MOLAP). Why pre-aggregating massive data is the key to instantaneous response times in dashboards.

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Analytical SQL: Discovering the power of Window Functions

FSdata — Sat, 03 Dec 2011 00:00:00 +0000

Practical introduction to Window Functions in SQL. How to simplify complex analytical queries in Business Intelligence projects.

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WhatsApp: The app that killed my SMS bills

FSdata — Fri, 12 Aug 2011 00:00:00 +0000

Technical analysis of WhatsApp, the app that is killing SMS. Exploring its use of the XMPP protocol and Erlang, and its serious initial security flaws.

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Star vs Snowflake Schemas applied to SSAS

FSdata — Fri, 20 May 2011 00:00:00 +0000

Technical debate and examples on dimensional modeling in Business Intelligence. Comparison between the Star Schema and the Snowflake Schema using SQL Server Analysis Services (SSAS).

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20 Mar 2011 - IBM Watson wins Jeopardy!: Is natural language processing the next great frontier?

FSdata — Sun, 20 Mar 2011 00:00:00 +0000

Technical analysis of IBM Watson's victory on Jeopardy. Exploring the challenges of Natural Language Processing (NLP) versus traditional computing.

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05 Feb 2011 - Leaving CRUD behind: My first serious approach to BI

FSdata — Sat, 05 Feb 2011 00:00:00 +0000

Technical reflection on the transition from traditional CRUD development to Business Intelligence (BI) projects, differentiating OLTP and OLAP environments with ETL examples.

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Tinkering with my new Samsung Galaxy S and compiling a custom Android kernel

FSdata — Fri, 15 Oct 2010 00:00:00 +0000

Tutorial and technical experience compiling a custom kernel for the Samsung Galaxy S. How to fix performance issues by migrating the file system from RFS to ext4.

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I Managed to Buy the iPad: My Experience After a Month of Use

FSdata — Thu, 10 Jun 2010 00:00:00 +0000

Technical analysis of the first iPad after its launch. The impact of the absence of Flash on the web and how to adapt sites with CSS3 Media Queries.

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NoSQL Databases: A passing fad or the future of storage?

FSdata — Thu, 21 Jan 2010 00:00:00 +0000

Technical analysis and early experiments with NoSQL databases like MongoDB in 2010. Evaluating if the schema-less nature is a real advantage in production.

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The art of profiling slow queries in MySQL

FSdata — Wed, 14 Oct 2009 00:00:00 +0000

Practical guide on how to profile slow queries in MySQL using SHOW PROFILES and EXPLAIN to detect real bottlenecks in production.

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Taking a look at "Bitcoin": Analyzing the source code of this curious P2P network

FSdata — Sun, 15 Mar 2009 00:00:00 +0000

I analyze the C++ code and the database of Bitcoin, a curious P2P electronic cash network that has just appeared.

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Trying Google Chrome: The V8 JavaScript engine is a missile

FSdata — Sat, 20 Sep 2008 00:00:00 +0000

Technical analysis of Google Chrome and its V8 engine, exploring how JIT compilation is changing the execution speed of JavaScript in the browser.

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Image processing II: Edge detection with Canny in C

FSdata — Tue, 02 Sep 2008 00:00:00 +0000

Practical guide to applying the Canny algorithm for edge detection using C. Step-by-step explanation from Gaussian smoothing to hysteresis.

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What is Facebook and why is everyone around me suddenly registering with their real name?

FSdata — Wed, 14 May 2008 00:00:00 +0000

Technical analysis of Facebook in 2008 and the architecture of its social graph. Why have we abandoned pseudonyms in favor of our real identity on the net?

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PHP Frameworks: My Experience After Migrating a Legacy Project to CodeIgniter

FSdata — Sat, 15 Mar 2008 00:00:00 +0000

Goodbye to spaghetti code. Migrating to CodeIgniter and the MVC pattern has brought my sanity back when working with PHP. Technical analysis and practical example.

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Database normalization: When to break 3NF to gain speed

FSdata — Tue, 20 Nov 2007 00:00:00 +0000

Breaking the Third Normal Form (3NF) in relational databases can be the only way out when JOINs crash your disks. Real cases of denormalization.

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Wi-Fi network auditing: Cracking WEP in 10 minutes

FSdata — Sat, 30 Jun 2007 00:00:00 +0000

Practical and technical guide to audit Wi-Fi networks and crack WEP encryption in under 10 minutes using Aircrack-ng and BackTrack 2.

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iPhone: Why a Screen Without a Physical Keyboard Will Change Web Development

FSdata — Mon, 15 Jan 2007 00:00:00 +0000

Technical analysis following the iPhone announcement. Why a multi-touch device without a keyboard or mouse will force us to rethink web design and development.

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Semantic Web and Web 3.0: Understanding RDF, OWL, and SPARQL

FSdata — Mon, 20 Nov 2006 00:00:00 +0000

Discover what the Semantic Web (Web 3.0) is. A technical explanation for developers on RDF, OWL, and querying graphs using SPARQL in 2006.

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I've spun up my first server on AWS EC2: Renting by the hour with an API? This changes everything

FSdata — Sun, 15 Oct 2006 00:00:00 +0000

My first experience deploying a virtual server on the Amazon EC2 beta. Thoughts on per-hour virtualization and the end of traditional dedicated server hosting.

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MySpace and the horror of spaghetti code: Injecting CSS into my profile

FSdata — Tue, 15 Aug 2006 00:00:00 +0000

I analyze the technical chaos behind MySpace profile customization using CSS injection and its implications for web development.

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Homemade Buffer Overflow: Dissecting a classic C exploit

FSdata — Fri, 28 Apr 2006 00:00:00 +0000

Technical analysis of a buffer overflow vulnerability in C. Discover how to overwrite the stack and redirect execution with a classic exploit.

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Informatica PowerCenter 8: First impressions with the data heavyweight

FSdata — Sat, 25 Mar 2006 00:00:00 +0000

Technical analysis and first impressions of Informatica PowerCenter 8 in production environments. How visual data integration changes development.

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Step-by-step guide: Centralizing my digital life: I've been using Google Reader for a month and it's the ultimate RSS reader

FSdata — Mon, 05 Dec 2005 00:00:00 +0000

After a month of testing Google Reader, I analyze why this web and AJAX-based RSS feed reader has replaced my usual desktop clients.

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Step-by-step guide: How to capture, compress and upload videos to that new website called "YouTube"

FSdata — Thu, 20 Oct 2005 00:00:00 +0000

Technical guide to capture, compress videos with Xvid using mencoder and upload them to the new YouTube platform, surviving current ADSL connections.

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SQL Injection Vulnerabilities: How to break your database

FSdata — Sat, 10 Sep 2005 00:00:00 +0000

Practical analysis on SQL Injection vulnerabilities in PHP and MySQL. How to prevent them from blowing up your database with single quotes.

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Google Earth: I've spent all summer flying over my city from the PC

FSdata — Wed, 10 Aug 2005 00:00:00 +0000

Late-night reflections at 2 AM tinkering with Google Earth, suffering through textures over ADSL, and messing around with KML files in XML.

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PHP 5 turns one: OOP begins to mature and I finally dare to use it

FSdata — Fri, 24 Jun 2005 00:00:00 +0000

Analysis of PHP 5's first year. Finally leaving behind the limitations of PHP 4 and starting to use real object-oriented programming with Zend Engine II and mysqli.

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Migrating to WordPress 1.5: Gutting the New Theme System (and Surviving the Attempt)

FSdata — Thu, 14 Apr 2005 00:00:00 +0000

Technical analysis and migration experience to WordPress 1.5 in 2005. Discover how the new PHP template system, the Loop, and CSS layout challenges against Internet Explorer 6 work.

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Understanding the damn Call Stack in x86 Assembly

FSdata — Fri, 18 Mar 2005 00:00:00 +0000

A practical and straightforward explanation of how the Call Stack works in x86 Assembly, ideal for debugging Segmentation Faults.

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Sleepless nights: Scripting bots and channels on IRC Hispano

FSdata — Wed, 12 Jan 2005 00:00:00 +0000

Sleepless nights writing code in mIRC and configuring Eggdrops to keep a channel afloat on IRC Hispano. Pure nostalgia and technical headaches.

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A definitive goodbye to Internet Explorer: My first week using Firefox 1.0

FSdata — Sat, 20 Nov 2004 00:00:00 +0000

Technical analysis and user experience after the first week with Mozilla Firefox 1.0. Goodbye to CSS bugs in IE6 and hello to web standards.

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Pixel Manipulation: Reading and Modifying BMP Image Headers in C

FSdata — Sat, 14 Aug 2004 00:00:00 +0000

Practical guide and late-night anecdotes on how to read and modify BMP image headers in C at the byte level, dealing with structure padding.

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I finally got a Gmail invite! Why 1 Gigabyte of space is absolute madness

FSdata — Sun, 18 Apr 2004 00:00:00 +0000

My experience after getting an invite to the Gmail beta and why 1GB of space and its interface based on DHTML and XMLHttpRequest (without reloading the page) represent a paradigm shift in web development.

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Prolog: When programming means declaring truths and not writing instructions

FSdata — Mon, 20 Oct 2003 00:00:00 +0000

Discover how Prolog's declarative programming can save you from writing hundreds of lines of spaghetti code by separating logic from control.

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Testing WordPress: The b2 fork that promises to make our lives easier

FSdata — Sun, 15 Jun 2003 00:00:00 +0000

Technical analysis of the first version of WordPress, the free fork of b2/cafelog. Installation, wp-config.php configuration and PHP templates.

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The Slammer worm: Anatomy of the buffer overflow that collapsed the internet last week

FSdata — Wed, 05 Feb 2003 00:00:00 +0000

Technical analysis of the Slammer worm, the 376-byte buffer overflow in SQL Server 2000 that took down the internet. Why it's vital to apply patches.

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Playing with Java 1.4: Native Regular Expressions at Last

FSdata — Fri, 22 Nov 2002 00:00:00 +0000

Technical analysis of native regular expression integration in Java 1.4 (java.util.regex package), performance advantages, and practical use examples.

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Dealing with the aftermath: Why register_globals=off in PHP 4.2 broke my early projects

FSdata — Tue, 10 Sep 2002 00:00:00 +0000

How to adapt your code to PHP 4.2 after the change of register_globals to Off. Technical guide to prevent your forms and sessions from breaking.

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The nightmare of pointers in C and how to survive 'Segmentation Faults'

FSdata — Wed, 15 May 2002 00:00:00 +0000

How to survive Segmentation Faults in C: survival guide for students and junior programmers fighting with pointers and RAM.

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