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For more background on safety and security issues related to C++, including definitions of language safety and software security and similar terms, see my March 2024 essay C++ safety, in context. This is a status update on improvements currently in progress for hardening and securing our C++ software.
But the distinction between senior and junior software developers is built into our jobs and job titles. As they move into the workforce, they need to deepen their knowledge and become part of a team writing a software system for a paying customer. It almost sounds pejorative, doesnt it?
When I started working on the new edition of Head First C# back in 2023, AI tools like ChatGPT and Copilot were already changing how developers write and learn code. But the audience for the booka developer learning C# as their first, second, or third languagedoesnt yet have these skills. It was clear that I needed to cover them.
Not only that, but the growing reliance on a complex software supply chain that includes homegrown, third-party, and open-source software makes it more difficult to manage risk throughout the software development lifecycle. How should C-level executives and boards of directors prepare for the SEC cybersecurity mandate?
Basis path testing in software testing is a white box method where the tester examines the codebase to identify all possible paths that could be taken by the user to achieve their aims. When there are multiple options for a decision, each decision outcome should be exercised before moving on to the next decision.
I’m seeing many younger programmers picking up C++. The average age at C++ events over the past year has been declining rapidly as the audience sizes grow with more and younger people in addition to the C++ veterans. This kid seems pretty exceptional. Welcome, Wasik!
As a tribute in honor of Dennis Ritchie’s passing , I’d like to invite you to share your thoughts in this post’s comments about your first C program – either the code if you remember it approximately, or a story about when you wrote it. After all, this was just a warm-up initial exercise for the course. Here’s mine. Never even seen it.
Modern CPUs strongly favor lower latency of operations with clock cycles in the nanoseconds and we have built general purpose software architectures that can exploit these low latencies very well. NVIDIAs CUDA SDK provides a higher level interface with extensions in the C language that supports both multi-threading and data parallelism.
Briefly, what is the difference among: (a) undefined behavior Undefined behavior is what happens when your program tries to do something whose meaning is not defined at all in the C++ standard language or library (illegal code and/or data). This is an example of “defense in depth,” and can be a useful technique for writing robust software.
This ruling in itself raises many questions: how much creativity is needed, and is that the same kind of creativity that an artist exercises with a paintbrush? If a human writes software to generate prompts that in turn generate an image, is that copyrightable? But even these two cases aren’t as different as they first appear.
So a whole Babel of computer languages has been created for programmers: FORTRAN, BASIC, COBOL, LISP, Pascal, C, PROLOG, FORTH. You talk to the computer in one of these languages, and a piece of software called a compiler converts it into machine language. But you never can tell exactly what the compiler is doing. You may be wondering.
Plotting these data points enables us to understand the scalability of the database software being tested on that system. with the TPROC-C workload on a system with 2 sockets of Intel Xeon 8280L that means we have 28 cores per socket, with 56 physical CPUs and 112 logical CPUs with Hyper-Threading. software running on the same server.
A Value Stream Architecture (VSA) diagram can provide that visual cue: A Value Stream Architecture exercise maps the flow of value-creating and -protecting software delivery work across your toolchain that underpins your product value stream. Get Software Delivery trends and insights in your inbox. Measuring the Flow.
Saga analyzers Sagas have a powerful API, but it’s limited by the confines of C#. You can create a class that is a lousy saga but is still perfectly valid C# code. You focus on your business logic. Let’s take a look at the new features. ?? In NServiceBus version 7.7, There was also no way to test the ConfigureHowToFindSaga method.
This blog post explains how a new software construct called a real-time digital twin running in a cloud-hosted service can create a breakthrough for streaming analytics. They make use of standard object-oriented concepts and languages (such as C#, Java, and JavaScript). Simplifying the Development Process with Mock Environments.
It’s the gym membership that forces you to exercise. Did Your Organization Wake Up as a Software Company? Get Software Delivery trends and insights in your inbox. The tool is there to help you practice VSM, daily. It’s the health, diet and fitness regime you follow to continuously shed pounds, starting week one. Subscribe now.
This blog post explains how a new software construct called a real-time digital twin running in a cloud-hosted service can create a breakthrough for streaming analytics. They make use of standard object-oriented concepts and languages (such as C#, Java, and JavaScript). Simplifying the Development Process with Mock Environments.
Software ain’t cheap to buy, implement and live with. A value-generative investment is an exercise in deploying risk capital through IT in the pursuit of extraordinary benefit that yields competitive advantage. But many a C-level exec has been fired for cost overruns on utility investments.
Removing unnecessary layers of software and designing with an eye towards the future has the potential to enable vast improvements in programmability, data sharing, and security – but this will only be possible if our design decisions permeate all levels of the software stack. Cross-object pointers make this easy and natural.
Among the different components of modern software solutions, the database is one of the most critical. Instead, focus on understanding what the workloads exercise to help us determine how to best use them to aid our performance assessment. TPROC-C running on Intel Xeon 8360Y processor with 36-core (72-threads) MySQL 8.0.27
A leaned-out IT organization capitalizing a significant proportion of its discretionary spend is highly susceptible to a perfect storm of (a) SG&A contraction, (b) IT project write-off, and (c) suspended IT investments. Capitalizing development of IT assets is an exercise in funding salaries and contractor costs out of CapEx budgets.
The obvious conclusions are (a) every individual drives to the collective output of the team; (b) every individual must strive to perform a high state of excellence; and (c) a team cannot maintain a level of performance any higher than the level of excellence achieved by its weakest performing member.
For example the following chart (with the actual data removed for the reasons described further in this post) shows the HammerDB TPC-C workload run against the same database on different processing architectures (grouped by colour) and speed with the most recent at the top.
There are some languages (like C++) where this should be on the must-have list. They are rerun(in the best case) and thus defeating the whole purpose of this exercise while spending tons and tons of time/money/energy on this).nn> There are some languages (like C++) where this should be on the must-have list.
Submit a proposal for a talk at our new virtual conference, Coding with AI: The End of Software Development as We Know It.Proposals must be submitted by March 5; the conference will take place April 24, 2025, from 11AM to 3PM EDT. That implicit context is a critical part of software development and also has to be made available to AI.
The exercise seemed simple enough — just fix one item in the Colfax code and we should be finished. DGEMM implementations also typically require software prefetches to be interspersed with the computation to minimize memory stalls when moving from one “block” of the computation to the next.
There was no deep goal — just a desire to see the maximum GFLOPS in action. The exercise seemed simple enough — just fix one item in the Colfax code and we should be finished. This is an uninspiring fraction of peak performance that would normally suggest significant inefficiencies in either the hardware or software.
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