Collaborate Disseminate
If you stay up to date with niche software news, your ears may recently have twitched at the release of a new programming language: V. New hobby-project programming languages are released all the time, you would correctly argue; what makes this one special? The answer is a number of design …read more
Continue reading The V Programming Language: Vain Or Virtuous?
When we first heard Nim, we thought about the game. In this case, though, nim is a programming language. Sure, we need another programming language, right? But Nim is a bit different. It is not only cross-platform, but instead of targeting assembly language or machine code, it targets other languages. So a Nim program can wind up compiled by C or interpreted by JavaScript or even compiled by Objective C. On top of that, it generates very efficient code with — at least potentially — low overhead. Check out [Steve Kellock’s] quick introduction to the language.
The fact that it …read more
If you have ever worked in software-related industries, the chances are that the word “Rockstar” will elicit a visceral reaction. It’s a word used by a Certain Type Of Manager for an elite software developer who’s so 1337 they don’t play by the rules of ordinary mortals. In reality it’s use is invariably an indication of trouble ahead, either from clueless startups or troublesome rockstar developers making a toxic atmosphere for the mere members of the backing band. Hackaday has a team that brings together a huge breadth of experience, and we’ve been there.
Would you like to be a …read more
Continue reading Become The Rockstar Developer You’ve Always Dreamed Of Being
Shared libraries are our best friends to extend the functionality of C programs without reinventing the wheel. They offer a collection of exported functions, variables, and other symbols that we can use inside our own program as if the content of the shared library was a direct part of our code. The usual way to use such libraries is to simply link against them at compile time, and let the linker resolve all external symbols and make sure everything is in place when creating our executable file. Whenever we then run our executable, the loader, a part of the operating …read more
Continue reading It’s All In The Libs – Building A Plugin System Using Dynamic Loading
In the first part of this series, we covered the basics of pointers in C, and went on to more complex arrangements and pointer arithmetic in the second part. Both times, we focused solely on pointers representing data in memory.
But data isn’t the only thing residing in memory. All the program code is accessible through either the RAM or some other executable type of memory, giving each function a specific address inside that memory as entry point. Once again, pointers are simply memory addresses, and to fully utilize this similarity, C provides the concept of function pointers. Function pointers …read more
Continue reading Directly Executing Chunks of Memory: Function Pointers In C
Looking for a first project in a relatively new language that’ll stretch your abilities? [Ron] was, so he hacked a commercially available drone and opened up a lot of its functionality, while writing the client software in Go.
The drone is a DJI Tello, which has some impressive hardware like a 14-core Intel processor and excellent video processing abilities. There’s also a vibrant community and a lot of support, making it the ideal platform for a project like this. It communicates to a base station via WiFi, and using some tools like the Wireshark [Rob] was able to decipher a …read more
In our first part on pointers, we covered the basics and common pitfalls of pointers in C. If we had to break it down into one sentence, the main principle of pointers is that they are simply data types storing a memory address, and as long as we make sure that we have enough memory allocated at that address, everything is going to be fine.
In this second part, we are going to continue with some more advanced pointer topics, including pointer arithmetic, pointers with another pointer as underlying data type, and the relationship between arrays and pointers. But first, …read more
Continue reading When 4 + 1 Equals 8: An Advanced Take On Pointers In C
Pointers — you either love them, or you haven’t fully understood them yet. But before you storm off to the comment section now, pointers are indeed a polarizing subject and are both C’s biggest strength, and its major source of problems. With great power comes great responsibility. The internet and libraries are full of tutorials and books telling about pointers, and you can randomly pick pretty much any one of them and you’ll be good to go. However, while the basic principles of pointers are rather simple in theory, it can be challenging to fully wrap your head around their …read more
Programming C without variables is like, well, programming C without variables. They are so essential to the language that it doesn’t even require an analogy here. We can declare and use them as wildly as we please, but it often makes sense to have a little bit more structure, and combine data that belongs together in a common collection. Arrays are a good start to bundle data of the same type, especially when there is no specific meaning of the array’s index other than the value’s position, but as soon as you want a more meaningful association of each value, …read more
Continue reading Unionize Your Variables – An Introduction to Advanced Data Types in C
The highly versatile Python programming language enables developers to write software for penetration testing, web development, applications and more.
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