Text

Reading and Writing Text Files

Learn how Batch scripts write to files with redirection and read them back using FOR /F, SET /P, and FINDSTR.

Handling User Input

How Entry, Editor, GestureRecognizers, and ViewModel-based validation work together to capture and validate user input in MAUI.

File Handling in Pascal

Master reading and writing text, typed, and untyped files in Pascal, along with safe error handling for I/O operations.

Building a Text-Processing Script

Move from ad-hoc one-liners to a maintainable multi-command sed script file, using labels, the hold space, and -f to solve a real data-cleaning task.

Text Transformation Recipes

A practical cookbook of proven sed one-liners for everyday text surgery: deleting lines, extracting ranges, joining lines, and reformatting with capture groups.

AWK vs Python for Text Processing

A practical comparison of AWK and Python for text and log processing, showing where each tool shines and how to decide between a one-liner and a script.

Text and Binary Frames

How WebSocket messages are broken into frames, and the difference between UTF-8 text frames and raw binary frames.

WAT Text Format Basics

How to read and write WebAssembly's human-readable S-expression text format (WAT), including functions, locals, exports, and memory.

Full-Text Search Relevance and Scoring: TF-IDF & BM25

How Elasticsearch computes the _score for full-text matches, from the classic TF-IDF intuition to the BM25 algorithm used by default today.

Text and Geospatial Indexes

Learn how MongoDB's text indexes power keyword search and how 2dsphere geospatial indexes enable location-based queries.

Text and Typography

The Text composable and Material 3's type scale let you render and style text consistently — controlling font, weight, size, color, and overflow — across an en…

Text and Typography in SwiftUI

How the Text view handles fonts, Dynamic Type, styling, and localization to produce accessible, readable typography.

Template Syntax

A tour of Vue's HTML-based template syntax, including text interpolation, directive bindings, and the shorthand notations for v-bind and v-on.

Sorting and Cutting Text with sort, cut, uniq

Combine sort, cut, and uniq to reorder lines, extract specific columns, and deduplicate or count repeated entries in text data pipelines.

C File I/O Cheat Sheet

Covers reading and writing text and binary files in C using fopen, fread and fwrite, formatted I/O, and file positioning functions.

Diffusion Models Cheat Sheet

Covers the forward noising process, learned reverse denoising process, and practical text-to-image inference with the Hugging Face diffusers library.

Full-Text Search Cheat Sheet

Covers building full-text search with database-native features like Postgres tsvector and dedicated engines like Elasticsearch, including ranking and indexing.