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Finite State Machines in Forth

Hacker News·about 2 months ago
#GxGZsIS5
#forth#bytes#err#state#ascii#drop

Certain programming problems are difficult to solve procedurally even using structured code, but simple to solve using abstract finite state machines (FSMs) [1].…

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Don’t stop early: Case-folding source code at memory speed
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Don’t stop early: Case-folding source code at memory speed

Hacker News·2 months ago
#gkjIr6SI
#github#byte#bytes#ascii#fold#case

How a branch-free loop and byte-space arithmetic let GitHub case-fold every byte of code search at >45 GiB/s on a single core.

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Qt’s Approach to Input Validation: Masks and Validators Explained
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Qt’s Approach to Input Validation: Masks and Validators Explained

Planet Qt·6 months ago
#EYQbFaUY
#ics#ascii#input#mask#string#characters

Learn how these powerful tools to help manage and validate user input to avoid errors and improve your app's UX.

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