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Results for “ring”

Small, practical examples. Search by task or narrow things down below.

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TypeScriptText handling & Unicode

Count Unicode code points in a string

TypeScript: String iteration combines surrogate pairs, unlike the UTF-16 length property.

TypeScript✓ Tested
Docker / ComposeDockerfile patterns

Create a runtime file during the build

Docker / Compose: RUN executes during the build while CMD executes when a container starts.

Docker / Compose✓ Tested
SQLSchema design & transactions

Create an index matching filter and ordering columns

SQL: Place the equality-filter column before the ordering column in this composite index.

SQL✓ Tested
SQL ServerSchema design & transactions

Create an index matching filter and ordering columns

SQL Server: Place the equality-filter column before the ordering column in this composite index.

SQL Server✓ Tested
PostgresSchema design & transactions

Create an index matching filter and ordering columns

Postgres: Place the equality-filter column before the ordering column in this composite index.

Postgres✓ Tested
SQLiteSchema design & transactions

Create an index matching filter and ordering columns

SQLite: Place the equality-filter column before the ordering column in this composite index.

SQLite✓ Tested
Bash ScriptsParameter expansion

Distinguish unset variables from empty strings

Bash Scripts: Omitting the colon tests only whether a variable is unset; including it also treats an empty value as missing.

Bash Scripts✓ Tested
PowerShellStrings & literal text

Extract a known substring

PowerShell: Substring uses a zero-based starting index and a character count.

PowerShell✓ Tested
Arduino / CText & bounded buffers

Extract a section of an Arduino String

Arduino / C: substring includes the start index and excludes the end index.

Arduino / C✓ Tested
Bash ScriptsParameter expansion

Extract a substring by offset and length

Bash Scripts: Bash substring offsets start at zero for an ordinary string.

Bash Scripts✓ Tested
C++Text validation & parsing

Extract a substring with an explicit count

C++: The second substr argument is a length rather than an ending index.

C++✓ Tested
C#Text validation & encoding

Extract a substring with range syntax

C#: C# range ends are exclusive; indices operate on UTF-16 code units.

C#✓ Tested