C, C# and C++ Development
Everything about C and its extensions, C++ and C#.
C, C# and C++ Articles
How to fix .NET Core's 'Unable to obtain lock file access' error on Red Hat OpenShift
July 30, 2020Well, it finally happened. Despite the added assurances of working with containers and Kubernetes, the old “It works on my machine” scenario reared its ugly head in my .NET Core (C#) code. The image that I created worked fine on my local PC—a Fedora 32 machine—but it crashed when I tried running it in my […]
Red Hat Enterprise Linux 8.2 brings faster Python 3.8 run speeds
June 25, 2020The Python interpreter shipped with Red Hat Enterprise Linux (RHEL) 8 is version 3.6, which was released in 2016. While Red Hat is committed to supporting the Python 3.6 interpreter for the lifetime of Red Hat Enterprise Linux 8, it is becoming a bit old for some use cases. For developers who need the new […]
The joys and perils of aliasing in C and C++, Part 2
June 3, 2020In the previous article, I discussed the benefits of C and C++ language restrictions in optimized code. In this second half, I present a variety of programming language exemptions and compiler extensions that developers can use to get around aliasing restrictions more or less safely. I will also discuss the common pitfalls of aliasing, both […]
The joys and perils of C and C++ aliasing, Part 1
June 2, 2020In C, C++, and some other programming languages, the term aliasing refers to a situation where two different expressions or symbols refer to the same object. When references access that object in different ways—as both reads and stores—there are consequences for the order in which these mixed accesses can happen. The value that is stored […]
Red Hat Software Collections 3.5 brings updates for Red Hat Enterprise Linux 7
May 29, 2020Red Hat Software Collections 3.5 and Red Hat Developer Toolset 9.1 are now available for Red Hat Enterprise Linux 7. Here’s what that means for developers. Red Hat Software Collections (RHSCL) is how we distribute the latest stable versions of various runtimes and languages through Red Hat Enterprise Linux (RHEL) 7, with some components available […]
Stack clash mitigation in GCC, Part 3
May 22, 2020In previous posts, Stack Clash Mitigation in GCC — Background and Stack Clash mitigation in GCC: Why -fstack-check is not the answer, I hopefully showed the basics of how stack clash attacks are structured and why GCC’s existing -fstack-check mechanism is insufficient for protection. So, what should we do? Clearly we want something similar to -fstack-check, […]
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July 18, 2019