FIND YOUR NEXT FEW LINES

The snippet library.

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

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PythonStrings & dates

Replace text in a string

Replace every occurrence of a substring and keep the result in a new string. The original string is unchanged.

string✓ Tested
C++Text validation & parsing

Replace text using captured regex groups

C++: Numbered replacement groups can rearrange a known two-part name.

C++✓ Tested
Bash ScriptsGetting Started

Replace text with parameter expansion

Bash Scripts: Replace text with parameter expansion with a small standalone Bash program.

Bash Scripts✓ Tested
Linux CommandsText processing

Replace text with sed

Replace all occurrences of the substring old on each line and print the transformed text without changing the input file.

sed✓ Tested
C++Strings

Replace the first match

Find and replace one literal substring in C++.

C++✓ Tested
GitRemotes & additional checkouts

Replace the URL of a configured remote

Git: set-url changes configuration without fetching or pushing any objects.

Git✓ Tested
GitMerging & replaying changes

Replay an unpublished branch on a newer base

Git: Rebase updates the base of local feature commits when their changes do not conflict.

Git✓ Tested
SQLSubqueries & ranked selection

Report duplicate business values and their frequency

SQL: Group by a candidate business key and retain only groups with multiple rows.

SQL✓ Tested
SQL ServerSubqueries & ranked selection

Report duplicate business values and their frequency

SQL Server: Group by a candidate business key and retain only groups with multiple rows.

SQL Server✓ Tested
PostgresSubqueries & ranked selection

Report duplicate business values and their frequency

Postgres: Group by a candidate business key and retain only groups with multiple rows.

Postgres✓ Tested
SQLiteSubqueries & ranked selection

Report duplicate business values and their frequency

SQLite: Group by a candidate business key and retain only groups with multiple rows.

SQLite✓ Tested
ReactAsync work & status

Report partial success from multiple actions

Report partial success from multiple actions with a small React component and explicit browser behavior.

React✓ Tested