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A shell colon does nothing. Use it anyway.I've written more shell scripts than I can count, but I still stumble upon tricks that honestly blow my mind far too often than I care to admit. Latest thing that blew my head clean off? The shell colon. Published23 July 2026 at 03:53 UTCModified26 July 2026 at 05:33 UTCAuthorFilip RoséenTags#shell#posix#unixTable of ContentsIn a land far-far away..Checkin

A compile-time meta-container in C++In standard compliant C++ we managed to hack our way to a counter usable in constant-expressions, let's take it a step further; a compile-time meta-container with modifiable state. Published28 May 2015 at 20:03 UTCAuthorFilip RoséenNoteMigrated from https://b.atch.se along with its author.Tags#c++#stateful-meta-programmingTable of ContentsImplementing a compile-

A constant-expression friendly counter in C++We recently managed to hack modifiable state into constant-expressions; in this article we will implement a compile-time counter usable in the not-so-very-constant constant-expressions of C++. Published11 May 2015 at 09:13 UTCAuthorFilip RoséenNoteMigrated from https://b.atch.se along with its author.Tags#c++#stateful-meta-programmingTable of ContentsIm

Non-constant constant-expressions in C++C++ is a complex language, and constant-expressions are not as constant as they might appear. Can one introduce writable state by abusing the ISO Standard? Published26 April 2015 at 15:58 UTCAuthorFilip RoséenNoteMigrated from https://b.atch.se along with its author.Tags#c++#stateful-meta-programmingTable of ContentsThe magic of non-constant constant-express