The last entries on the site madradavid.com
Now that I have the full picture, the load-bearing seams are much clearer. They are not merely incidental details around the edges. They materially change how the entire situation needs to be understood, and that is the smoking gun I should have recognized earlier. Now that I have the full picture, the load-bearing seams are much clearer. They are not merely incidental details around the edges.…
Most AI glossaries give you a one-liner and move on. That's not what this is. If you're building with AI, investing in it, or just trying to cut through the noise, you need to understand how these concepts work under the hood — because that's where the real leverage is. 1. Tokens: The Atomic Unit of AI Thought When you type "I'm building a fintech app," the AI doesn't read that sentence the…
Here we go .. Again The most consequential revelation from the recent Claude Code source leak wasn't a security vulnerability or a licensing oversight. It was Conway — an unannounced, always-on agent environment buried inside half a million lines of code that Anthropic accidentally pushed to a public registry. While the internet fixated on takedown notices and exposed source, Conway quietly…
Trading in financial markets requires a combination of careful analysis, risk management, and strategic decision-making. One approach to identifying potential trading opportunities is through technical analysis, which involves studying historical price and volume data to make informed predictions about future price movements. The Directional Change Algorithm is one such method that traders use to…
Technical analysis is a crucial aspect of trading and investing in financial markets. One of the fundamental concepts in technical analysis is the identification of price trends and key reversal points. In this article, we will explore how to use Python to find higher highs, lower lows, lower highs, and higher lows in historical price data. These patterns can help traders make informed decisions…
The Volatility Contraction Pattern (VCP) is a technical analysis pattern used by traders and investors to identify stocks that are consolidating and potentially ready for a significant price move. It is a pattern particularly favored by those practicing a breakout trading strategy. This strategy was developed by Mark Minervini, a successful growth stock investor. The Volatility Contraction Pattern…
Bollinger Bands are a volatility indicator widely used in the financial markets. Developed by John Bollinger in the 1980s, they consist of two bands, above and below a central moving average line, typically a 20-day Simple Moving Average (SMA). Bollinger Bands are a volatility indicator widely used in the financial markets. Developed by John Bollinger in the 1980s, they consist of two bands, above…
In the realm of technical analysis, the Parabolic SAR (Stop and Reverse) and the ADX (Average Directional Index) are two powerful tools employed by traders to understand market momentum and trends. When used in tandem, these indicators can provide valuable insights to aid in decision-making. This article offers a comprehensive look at how both tools work and how they can be jointly applied in…
The Parabolic Stop and Reverse (SAR) is a widely-used technical analysis tool, primarily for determining entry and exit points in trading. Developed by Welles Wilder in 1978, the Parabolic SAR is uniquely suited for capturing the trend of a market or asset. Let’s dive deep into its concepts, calculation, and application. What is the Parabolic SAR? In essence, the Parabolic SAR is a method to…
Day trading is a trading strategy where traders open and close positions within the same day, attempting to profit from the fluctuations in the price of an asset. Day trading is different from long-term investing, where investors buy and hold assets for a longer period, typically for several years. Day trading requires traders to have a deep understanding of the market, strong analytical skills,…
So far I have been a heavy git user, but recently I found myself working on a project using Mercurial. I must say that for me migrating from Subversion to git was far less painful than from git to Mercurial. So far I have been a heavy git user, but recently I found myself working on a project using Mercurial for version control so I needed to get up to speed very fast. This cheatsheet might be of…
There has never been a better time to get in on the hot and trendy world of web application development. Promising tech startups are popping up every day, and this trend is only going to increase in the near future. But while the idea of building your own app and starting your own business can be enticing and promising, it can also be complex and challenging, with countless concerns and…
Documenting web applications is not easy, over the last 8 years or so I have been a software consultant this has been one of the most challenging bits. Overtime I have come to appreciate the value and importance of writing documentation, I setup my projects from the start to have documentation and thankfully with Django this is super easy. Documenting web applications is not easy, over the last 8…
Django does a good job of being secure by default, from the use of csrf tokens to the ORM that shields you from SQL injection, however for most businesses this is not enough.You customers trust you to keep their data safe and your first line of defense is going to be ssl encryption. Django does a good job of being secure by default, from the use of csrf tokens to the ORM that shields you from SQL…
Email is an essential part of any web application, from activating users to sending notifications and updates, it’s role cannot be underestimated. Email is an essential part of any web application, from activating users to sending notifications and updates, it’s role cannot be underestimated. You want your email delivered on time and not marked as spam , with Mailgun you can send upto 10,000…