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

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RustVectors & slices

Append several values to a vector

Append several values to a vector in a complete Rust program using the standard library.

Rust✓ Tested
CStrings & byte buffers

Append text only when the destination has enough capacity

C: Check the combined lengths including the terminator before using strcat.

C✓ Tested
C++Files & paths

Append text to a file

Open a C++ stream in append mode and verify the write.

C++✓ Tested
CFiles

Append text to a file

Use append mode in C without replacing the existing file.

C✓ Tested
RustFiles & paths

Append to a file without truncating it

Append to a file without truncating it in a complete Rust program using the standard library.

Rust✓ Tested
GoGetting Started

Append to a slice

Append to a slice using a complete Go program with explicit sample inputs.

Go✓ Tested
AngularSignals & state

Append to an array signal immutably

Append to an array signal immutably with a standalone Angular component and explicit browser behavior.

Angular✓ Tested
ReactGetting Started

Append to an array without mutating state

Append to an array without mutating state with a small React component and explicit browser behavior.

React✓ Tested
SQLConstraints & defaults

Apply a default when an insert omits a column

SQL: A default supplies an omitted value; an explicit NULL still follows the column’s nullability rules.

SQL✓ Tested
SQL ServerConstraints & defaults

Apply a default when an insert omits a column

SQL Server: A default supplies an omitted value; an explicit NULL still follows the column’s nullability rules.

SQL Server✓ Tested
PostgresConstraints & defaults

Apply a default when an insert omits a column

Postgres: A default supplies an omitted value; an explicit NULL still follows the column’s nullability rules.

Postgres✓ Tested
SQLiteConstraints & defaults

Apply a default when an insert omits a column

SQLite: A default supplies an omitted value; an explicit NULL still follows the column’s nullability rules.

SQLite✓ Tested