You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
In this blogpost I want to outline basic attacks against web based LaTeX compilers. This inspired me to create the Web90 - TexMaker challenge.\n
“There ain’t no good debt, only different types. A cunning hacker is one who leverages some debt, in some circumstances, to create good…
I recently took part in a panel discussion discussing continuous delivery of micro-services hosted by ElectricCloud with Daniel Rolnick, Darko Fabijan and An...
Accepting Bitcoin payments for an online service can be daunting at first (I worked out how to do it, for SMS Privacy , a couple of months ago). What I describe is not the only way to accept Bitcoin payments - it's not even the best way to accept Bitcoin payments - but it works for me. And it might work for you, too.
Metaprogramming is the writing of computer programs with the ability to treat programs as their data. It means that a program could be designed to read, generate, analyse and/or transform other programs, and even modify itself while running.
Signed integers are not allowed to overflow in C and C++, and this helps compilers generate better code. I was interested in how GCC is tak...
Serverless computing is the new buzzword. AWS describes Lambda (their implementation of Serverless) as the way how you’ll do things post containers. Go figure …
If you've ever look at the disassembly output for C or C++ code, you'll probably notice that there are a lot of push/pop instructions. And if you pay close enough attention, you'll notice that the compiler prefers to use certain registers over others. In particular, compilers will prefer pushing "old" registers like…
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This paper appears in Lisp and Symbolic Computation , Volume 1, No. 1, June 1988, pp81-101.
Feature Flags can be categorized into several buckets; manage each appropriately. Smart implementation can help constrain complexity.
In this post I’ll try to explain how the Hacker News ranking algorithm works and how you can reuse it in your own applications. It’s a very…
Go is becoming more and more popular as a programming language and getting more scrutiny from a security point of view. You might remember m...
This means that while hardware computing horsepower increases at roughly 60%/year, compiler optimizations contribute only 4%. Basically, compiler optimization work makes only marginal contributions.
A common problem I see in object-oriented design is: A wizard is a kind of player. A warrior is a kind of player. A staff is a kind of weapon. A sword is a kind of weapon. A player has a weapon. Bu…
I love regular expressions. No, I’m not sure you understand: I really love regular expressions. You may find it a little odd that a hack who grew up using a language with the ain’t keyword would fall so head over heels in love with something as obtuse and
Recently we (Felix, Niko, and I) have been working on getting compiler-level GC support for Rust. The plan is to provide a base set of APIs and …
People often choose Redux before they need it. “What if our app doesn’t scale without it?” Later, developers frown at the indirection Redux…
A small number of popular JavaScript frameworks and libraries account for a substantial portion of the network, battery, and time budgets of users of the contemporary Web. Many applications include these libraries even if they only use a small portion of the functionality they provide. Large improvements seem possible…
PowerShell is a spiced up command line shell made by Microsoft. According to some people, it is a really useful and good shell alternative. Already a long time ago, we got bug reports from confused users who couldn't use curl from their PowerShell prompts and it didn't take long until we figured out that Microsoft ……
UPDATE: I've recorded a 30 min video with developers from the project as well ...
OFFSET doesn’t deliver stable results and makes the query slow. Key-set pagination does neither.
Some people, when confronted with a problem, think “I know, I’ll use cgo.” Now they have two problems.
