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Improvements to static analysis in GCC 14
Learn about static analysis improvements coming in GCC 14 with -fanalyzer, which helps identify issues in C code at compile-time, rather than at runtime.
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Visit developers.redhat.com → On Hacker News Apr 2016 – Oct 2026
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2
Static Analysis in GCC 10
Discover the new -fanalyzer option coming to GCC 10 that provides a static analysis pass to identify problems at compile-time, rather than at runtime.
3
Using io_uring for network I/O
Discover io_uring, an async I/O API for Linux that can potentially benefit networking, and learn how to integrate it into your applications and I/O libraries.
4
Speed up your Python using Rust
Rust is a language that has no runtime so it can be used to integrate with any runtime; You can write modules in Rust and call using Python
5
Tips for reviewing code you don’t like
Here are 10 tips to keep in mind when reviewing code submissions that, for whatever reason, you (as a project maintainer) do not like.
6
Why Kubernetes Is the New Application Server
Kubernetes and related technologies, such as Red Hat OpenShift and Istio, provide the non-functional requirements that used to be part of an application server and the additional capabilities
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A beginner's guide to Git version control
Learn the basics of using Git, the most popular tool for tracking and managing code changes for your application development.
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The future of Java and OpenJDK updates without Oracle support
This post describes the furture support for Java and OpenJDK updates, now that Oracle has announced that soon it will no longer supply free binaries for JDK releases or write patches for bugs.
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Usability Improvements in GCC 15
GCC 15 brings better error messages and diagnostics for your code, including prettier execution paths and easier-to-read compiler errors for C++ templates.
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Usability Improvements in GCC 9
The upcoming GCC 9 release will have improved diagnostic messages, simpler C++ errors, more accurate error location reporting, and optional machine readable output for developer tools.
11
Making memcpy(NULL, NULL, 0) well-defined
C2y makes memcpy(NULL, NULL, 0) and other zero-length operations on null pointers well defined. This removes a source of bugs that may result in security issues.
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Shenandoah in OpenJDK 17: Sub-millisecond GC pauses
Get a closer look at how the Shenandoah garbage collector adds concurrent thread-stack processing, and reliable sub-millisecond pauses, in OpenJDK 17.
13
New C features in GCC 13
The GNU Compiler Collection 13 release implemented a number of interesting features in its C front-end. This article summarizes the most interesting ones.
14
OpenJDK now available for Windows
We are pleased to announce the availability of OpenJDK 8 for Windows. OpenJDK is a fully open-source implementation of the Java SE specification. It is comparable in performance to Oracle and IBM
15
GCC's new fortification level: The gains and costs (2022)
Discover the gains and costs of GCC’s enhanced runtime buffer overflow protection. Level 3 _FORTIFY_SOURCE preprocessor macro may detect more buffer overflows, but there’s a cost.
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Mir: A lightweight JIT compiler project
Take an in-depth look at the MIR lightweight JIT compiler project's goals and state of development, such as the addition of support for CRuby.
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Instant replay: Debugging C and C++ programs with rr
Learn how you can go back in time and replay what went wrong in a C/C++ program with rr (a GNU Debugger Linux enhancement) in this short demo.
18
Efficient string copying and concatenation in C
Martin Sebor looks at C string handling functions used to copy and concatenate strings and examines ways to improve their efficiency.
19
How C array sizes become part of the binary interface of a library
We explain how C array sizes become part of the binary interface of a library and examine ways to avoid ABI compatibility issues.
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New C++ features in GCC 12
Version 12 of GCC implements much of the recent C++ standard, allows a number of previously prohibited constructs, and fixes some problematic behaviors.
21
Red Hat ported OpenJDK to 64-bit ARM: A community history
Find out how Red Hat engineers and a community of open source enthusiasts created the standard OpenJDK implementation for AArch64.
22
New features in GCC 16: Improved error messages and SARIF output
Explore new GCC 16 features for C++ developers. Learn about improved hierarchical error messages, updated SARIF output, and experimental HTML diagnostic tools.
23
C# 9 top-level programs and target-typed expressions
Discover the new features in C# 9: top-level statements and target-typed new and conditional expressions. These features make C# less verbose and can be used in everyday programs.
24
A Practical Introduction to Container Terminology
It is deceptively simple to get started with Linux Containers, but how well do you really understand the underlying technology? Could you explain the architectural trade offs of container hosts
25
How I developed a faster Ruby interpreter (2022)
Learn about 8 optimization techniques for a faster interpreter in Ruby which I developed using a dynamically specialized internal representation (IR).
26
An API Journey: From Idea to Deployment the Agile Way
The whole API lifecycle should go agile in order to stay relevant. But, this is made difficult because new Service-Based Architecture makes dependencies skyrocket! It’s time to think of a new way to
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The state of static analysis in the GCC 12 compiler
New features and a substantial reduction in false positives bring GCC's static analysis closer to being production-ready for C code.
28
Limitations of frame pointer unwinding
Explore 3 limitations of using frame pointers for stack unwinding and profiling in Linux that are often overlooked, plus possible future alternatives.
29
How to use a Python multiprocessing module
Working with Python multiprocessing module can be difficult at times. Learn what you can do with it.
30
Breaking up the Container Monolith
Dan Walsh, of SELinux Coloring Book fame, presented on the work he and his team have been doing with containers. Dan has long been a technical leader in the container and SELinux spaces and is an