In many IDEs, peek definition is a feature that opens a definition (of a function, a class, a symbol, etc) in a popup window without leaving the current buffer. Most of the time, jumping into a definition, then jump back, is enough, so why bother leaving…

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There was recently some interesting discussion about correctly using backquotes to express a mixture of data and code. Since lambda expressions seem to evaluate to themselves, what’s the difference? For example, an association list of operations:

Tikhon Jelvis’s answer: Yes, gleefully. It’s all the better for it.

Tikhon Jelvis’s answer: Yes, gleefully. It’s all the better for it.

orgzly-android – Outliner for taking notes and managing to-do lists…

Once you grok Emacs, you realize that it’s a thermonuclear toaster that can also serve as the engine for… well, just about anything you want to do with text. When you think about how much your computing life revolves around text, this is a rather bold s…

A tutorial on Ecaml, a library for writing Emacs plugins in OCaml.