demystifying

Abstract:DRAM read disturbance, like RowHammer and RowPress, is a critical robustness issue where accessing DRAM can cause unintended bitflips in other unaccessed DRAM locations. DRAM read disturbance bitflips significantly impact the safe, secure, and reliable operation of DRAM-based computing systems. … Read more

Part 1 in a series. Debuggers exist at the intersection of many parts of the computing ecosystem—they must contend with intricate details of kernels, compilers, linkers, programming languages, and instruction set architectures. My familiarity with debuggers has improved my programming … Read more

Demystifying Common Microcontroller Debug Protocols – media.ccc.de Sean “xobs” Cross 2024 Saal GLITCH Playlists: ’38c3′ videos starting here / audio Many developers know that the answer to “How do I debug this microcontroller” is either “JTAG” or “SWD”. But what … Read more

From day one using a modern home computer, users are exposed to the concept of a program. Support for separate programs is, after all, the main value-add of multitasking operating systems. But—if we take a peek under the hood—a program … Read more

Throughout my career, I have found git submodules to be a pain. Because I did not understand them, I kept getting myself into frustrating situations. So, I finally sat down and learned how git tracks submodules. Turns out, it’s not … Read more

A while back I was researching the most efficient way to check if a number is prime. This lead me to find the following piece of code: public static boolean isPrime(int n) { return !new String(new char[n]).matches(“.?|(..+?)\1+”); } I was … Read more

Protocol buffers transform data into a compact binary stream for storage or transmission. In this blog post, we will use a proto definition of a sample message and serialize it to binary data. The sample message​ For our sample we … Read more

Last year I taught Advanced JavaScript classes at the local university. One of the topics I explained was about the Shadow DOM. Since I wasn’t very familiar with it, I had to dig deeper and understand its benefits, drawbacks, and … Read more

Getting ‘low level’ with Nvidia and AMD GPUs NVIDIA_GeForce_8800GTX_G80___DSC01200 via Fritzchens Fritz https://commons.wikimedia.org/w/index.php?curid=65926359 The complexity of modern GPUs needn’t obscure the essence of how these machines work. If we are to make the most of the advanced technology in these … Read more