Calling Into C or C++ Code From Python Recently I wanted to call some C code from Python to check who was sending aparticular signal. Apparently this functionality is only available as of Python3 so I decided to write a custom
C++ Using LSP & clangd in Vim After having used YouCompleteMe, I finally decided to give one of the Language Server Protocol (LSP) implementations a spin. As an LLVM developer I've been following clangd's development and wanted to try it
git Finding Reviewers for Your Patch Finding the right people to review your patch can be tough. I see the question "who should I add as reviewer for this patch?" popping up on IRC quite regularly and
C++ Reference Counting PIMPL Idiom The pointer to implementation or PIMPL idiom is a popular C++ idiom for decoupling the representation and implementation of a class. It reduces compilation times and enables a stable API while allowing the
C++ Exposing Containers of Unique Pointers The std::unique_ptr is probably one of my favorite and most used features in modern C++. The unique pointer is as powerful as it is simple, and assuming you've used it before,
LLVM One Year At GuardSquare Today marks my one year anniversary at GuardSquare. On the one hand it feels like yesterday (as cliché as that might sound) but on the other hand it feels like ages ago, considering
Building a Workstation January 2017 marks the sixth birthday of my desktop computer. When I purchased my trusty Intel Core i5-2500K, I would've never guessed that I'd use it for that long. However, rather than jumping
LLVM Escape Analysis & Capture Tracking in LLVM Pointer analysis is an important topic in compiler optimization. One interesting aspect is the dynamic scope of pointers. LLVM differentiates between two situations: Pointer Capture: A pointer value is captured if the function
C++ Order Your Members The C++ standard guarantees that the members of a class or struct appear in memory in the same order as they are declared. Nonstatic data members of a (non-union) class with the same
C++ Guaranteed Copy Elision The new C++17 standard brings many exciting new features. A smaller, more subtle improvement it brings is guaranteed copy elision. The keyword is guaranteed, as copy elision itself has always been part
bitcode LibEBC & ebcutil In a previous blog post I wrote about bitcode. Embedding it was already possible for quite some time with Apple's fork of LLVM that ships with Xcode. Recently, Apple upstreamed (parts of) their
LLVM Embedded Bitcode Little over a year ago, Apple announced at WWDC 2015 the ability to embed bitcode in Mach-O files. Bitcode is the intermediate representation used by the LLVM compiler and contains all the information
Android MAsCOT Self-Adaptive Opportunistic Offloading for Cloud-Enabled Smart Mobile Applications with Probabilistic Graphical Models at Runtime I'm proud to announce that the paper summarizing the findings in my master's thesis (Intelligent Offloading Decisions for Mobile
clang Understanding the Clang AST Clang is everywhere; It is the core of my favorite Vim plugin YouCompleteMe, it recently got supported by Microsoft Visual Studio, it is mentioned in numerous episodes of CppCast and it powers the
C++ A better YouCompleteMe Config If you're like me and have (1) been using Vim for a while and (2) have been programming in C++, you've likely heard about YouCompleteMe. YCM is an awesome auto-completion engine for Vim.
latex Packages I Wish I Knew When Starting LaTeX I've been using LaTeX for almost a decade now. Even after that much time, I keep running into new problems that require a solution I wasn't aware of. LaTeX has a great community
Haskell Word Search Solver When browsing the Medium homepage I came across this post about #wordsearchwednesday. Although I enjoy a puzzle as much as the next guy, I immediately thought that this was something Haskell lends itself
Java Arduino Display As I already mentioned in a previous post, I recently purchased a 4 line LCD display to play around with. It provides an I2C Bus which means that it can be connected to
Arduino Proper Printing with HD44780 LCD I recently purchased a very simple, Hitachi HD44780 compatible LCD screen for an Arduino project. It's a 20x4 I2C display, which apparently is constructed as a combination of 2 two-line display controllers. This
Computer Science Course Notes & Summaries For some of the courses I took during my studies in computer science at the University of Leuven, I've combined the course material, typically with the help of others, into structured and easy
LooCI Burglar Alarm: IoT Course For the Internet of Things (IoT) assignment for the course Capita Selecta: Distributed Systems we were supposed to create a burglar alarm. A passive infrared sensor (IR) detects movements, which triggers a 60
IPv6 Ready Woohoo, as of today jonasdevlieghere.com is IPv6 Ready! Wondering why this is important? Check out the explanation by Vint Cerf. Edit: I accidentally configured NGINX to only accept connections on the IPv6
google chrome extension Real-Debrid Extension Because going to the Real-Debrid website every time you want to unrestrict a link is such a hassle, and their own Chrome Extension doesn't work, I decided to come up with my own
backbone Backbone.Marionette AMD Modules This post describes how to create a extremly simple Backbone Marionette application using Asynchronous Module Definition or AMD provided by RequireJS. The Marionette documentation states the following: It is recommended that you divide
latex Modular Latex with Subfiles Latex as a document system and markup language is very well suited for creating large documents. Working with a big, single file however remains an hassle, whatever its content. Fortunately, Latex supports splitting