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David B. Black
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Recent Activity
Software Programming Language Evolution: Credit Card Software Examples 3
Credit card systems are among the earlier major enterprise software systems written. The early systems were written in assembler language or COBOL. If programming languages really did get more powerful and advanced, you would think that a wave of re-writes would have transformed the industry as card systems written in creaky old languages were streamlined and turbo-charged by being written in more modern languages. Generations of industry executives and technical experts and leaders have thought exactly this. The earlier posts in this series have described two major such efforts that ended in face-plants, and other efforts that illustrate the ongoing... Continue reading
Posted 7 days ago at The Black Liszt
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Blood Pressure Pills can make you Blind
Posted Jul 25, 2022 at The Black Liszt
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The Dimension of Software Automation Breadth Examples
One of the major ways software evolves is by increasing along the dimension of automation breadth. A domain can be dominated by products at a given breadth of automation, and suddenly a existing or new competitor starts winning by increasing its breadth of automation, offering its customers more value for less effort and money. It's a classic move and a good way for new entrants to disrupt a market. One of the most frequently given pieces of advice, including by me, is to “focus,” i.e. basically solve fewer problems, try to satisfy a narrower range of customers, etc. While this... Continue reading
Posted Jul 20, 2022 at The Black Liszt
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The Destructive Treatment of Hypertension
I’ve talked about how all the medical authorities are united in the importance of fighting the “silent killer” of blood pressure that’s too high, i.e., hypertension. I’ve described in detail that what doctors call ‘essential hypertension” is NOT a disease. Fighting the non-disease of hypertension is an ongoing bonanza for doctors and the drug companies while leading to serious problems for patients. In this post I’ll describe my personal experiences that led me to these observations. What happened to me was not unusual, and others have had it worse than I have. Getting Cancer and Hypertension Eight years ago I... Continue reading
Posted Jul 12, 2022 at The Black Liszt
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How to Integrate AI and ML with Production Software
Posted Jun 28, 2022 at The Black Liszt
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The Facts are Clear: Hypertension is not a Disease
Posted Jun 13, 2022 at The Black Liszt
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Flowcharts and Workflow in Software
Posted Jun 7, 2022 at The Black Liszt
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The Experts are Clear: Control your Blood Pressure
Posted May 31, 2022 at The Black Liszt
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Cartoons and Video games evolved into Bitcoin and NFT’s
Posted May 28, 2022 at The Black Liszt
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How to Improve Software Productivity and Quality: Schema Enhancements
Most efforts to improve programmer productivity and software quality fail to generate lasting gains. New languages, new project management and the rest are decades-long disappointments – not that anyone admits failure, of course. The general approach of software abstraction, i.e., moving program definition from imperative code to declarative metadata, has decades of success to prove its viability. It’s a peculiar fact of software history and Computer Science that the approach is not mainstream. So much the more competitive advantage for hungry teams that want to fight the entrenched software armies and win! The first step – and it’s a big... Continue reading
Posted May 23, 2022 at The Black Liszt
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The Goals of Software Architecture
What goals should software architecture strive to meet? You would think that this subject would have been intensely debated in industry and academia and the issue resolved decades ago. Sadly, such is not the case. Not only can't we build good software that works in a timely and cost-effective way, we don't even have agreement or even discussion about the goals for software architecture! Given the on-going nightmare of software building and the crisis in software that still going strong after more than 50 years, you would think that solving the issue would be top-of-mind. As far as I can... Continue reading
Posted May 9, 2022 at The Black Liszt
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Making Fun of Object-Orientation in Software Languages
Posted May 3, 2022 at The Black Liszt
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The forbidden question: What caused the obesity epidemic?
Posted Apr 25, 2022 at The Black Liszt
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How to Fix Software Development and Security: A Brief History
Posted Apr 19, 2022 at The Black Liszt
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The Facts are Clear: Don't Take Cholesterol-lowering Drugs
Posted Apr 8, 2022 at The Black Liszt
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Software Programming Language Cancer Must be Stopped!
Human bodies can get the horrible disease of cancer. Software programming languages are frequently impacted by software cancer, which also has horrible results. There are many kinds of cancer, impacting different parts of the body and acting in different ways. They all grow without limit and eventually kill the host. Worse, most cancers can metastasize, i.e., navigate to a different part of the body and start growing there, spreading the destruction and speeding the drive towards death. Software cancer impacts software languages in similar ways. Once a software programming language has been created and used, enthusiasts decide that the language... Continue reading
Posted Apr 5, 2022 at The Black Liszt
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My Health Insurance Company Tries to Keep me Healthy
Posted Mar 30, 2022 at The Black Liszt
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The Facts are Clear: Eat Lots of Saturated Fat
The experts and authoritative institutions are clear: you should eat a low-fat diet and take drugs to reduce your blood LDL cholesterol to safe levels in order to make your heart healthy. Here is their advice about saturated fat and about blood cholesterol. The capital-E Experts are wrong. They were wrong from the beginning. There was never any valid evidence in favor their views, in spite of what you might read. The quantitative and biochemical evidence is now overwhelming. Here is my summary of the situation. In this post I’ll cover more of the evidence. Origins and growth of the... Continue reading
Posted Mar 15, 2022 at The Black Liszt
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What is Behind the DCash Central Bank Digital Currency Disaster?
Posted Mar 11, 2022 at The Black Liszt
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DCash Government Cryptocurrency Shows Why Fedcoin Would Be a Disaster
Posted Mar 9, 2022 at The Black Liszt
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Why Object-Orientation in Software is Bad
What?? Object-oriented programming (OOP) is practically the standard in software! It’s taught everywhere and dominates thinking on the subject. Most languages are O-O these days, and OO features have even been added to COBOL! How can such a dominant, mainstream thing be bad? The sad truth is that the badness of OOP isn’t some fringe conspiracy theory. An amazing line-up of astute, brilliant people agree that it’s bad. A huge collection of tools and techniques have been developed and taught to help people overcome its difficulties, which nonetheless persist. Its claims of virtue are laughable – anyone with experience knows... Continue reading
Posted Mar 8, 2022 at The Black Liszt
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Hurray Up! It's Almost Two Late Two Celebrate Two's Day
The magnificent, century's-rare Two's Day itself has already come and gone. But while it's still fairly large in the rear-view mirror, there is still time to celebrate the nine day wrapper around the day (and hour and minute) of Two's Day itself. Because we're still early in the amazing nine day long celebration of Palindromic Two's Week. Today is February 23, 2022. It's a pretty two-y day, right? Particularly when you toss out boring and easily-misspelled "February" and replace it with a nice proper two, as in 2/23/2022. We all know we're in the middle of the 2000's, I trust.... Continue reading
Posted Feb 23, 2022 at The Black Liszt
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The Experts are Clear: Keep your Cholesterol Low
Posted Feb 21, 2022 at The Black Liszt
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Medicine as a Business: Medical Testing 6: Another Test
Posted Feb 15, 2022 at The Black Liszt
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Two’s-day February 22 2022 an EXTREMELY Rare Day
Posted Feb 6, 2022 at The Black Liszt
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