SQL - CONCAT() / || - Concatenate Strings
• SQL provides two primary methods for string concatenation: the CONCAT() function (ANSI standard) and the || operator (supported by most databases except SQL Server)
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Redis Data Structures: Strings, Lists, Sets, Hashes, Sorted Sets
• Redis provides five core data structures—strings, lists, sets, hashes, and sorted sets—each optimized for specific access patterns and use cases that go far beyond simple key-value storage.
Read more →Python - Raw Strings
Raw strings change how Python’s parser interprets backslashes in string literals. In a normal string, becomes a newline character and becomes a tab. In a raw string, these remain as two…
Python - Multiline Strings
Triple-quoted strings use three consecutive single or double quotes and preserve all whitespace, including newlines and indentation. This is the most common approach for multiline text.
Read more →Pandas - str.pad()/zfill() - Pad Strings
• str.pad() offers flexible string padding with configurable width, side (left/right/both), and fillchar parameters, while str.zfill() specializes in zero-padding numbers with sign-aware behavior
Pandas - str.cat() - Concatenate Strings
The str.cat() method concatenates strings within a pandas Series or combines strings across multiple Series. Unlike Python’s built-in + operator or join(), it’s vectorized and optimized for…
JavaScript Strings: Methods and Template Literals
Strings are one of the fundamental primitive data types in JavaScript, representing sequences of characters used for text manipulation. Unlike arrays or objects, strings are immutable—once created,…
Read more →Go Strings: Operations and Manipulation
Go strings are immutable sequences of bytes, typically containing UTF-8 encoded text. Under the hood, a string is a read-only slice of bytes with a pointer and length. This immutability has critical…
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