Results for “Numbers & calculations”
Small, practical examples. Search by task or narrow things down below.
Filter even numbers
Use a Java stream to collect only even values.
Java✓ Tested
Filter even numbers
Create a JavaScript array containing only even values.
JavaScript✓ Tested
Generate a sequence of numbers
Create rows without a stored table.
generate_series✓ Tested
Generate numbers with a recursive CTE
Build a bounded sequence using SQL recursion.
recursive CTE✓ Tested
Show line numbers beside matches
Linux Commands: Use grep -n so a result identifies its position in the source file.
Linux Commands✓ Tested
Sort a sequence of numbers
PowerShell: Sort a sequence of numbers using PowerShell 7.
PowerShell✓ Tested
Sort numbers numerically
Supply a numeric comparator instead of JavaScript string sorting.
JavaScript✓ Tested
Apply a linear sensor calibration
Arduino / C: Convert a raw reading using an offset and scale measured for the sensor.
Arduino / C✓ Tested
Calculate a page count with ceiling division
JavaScript: Use Math.ceil for a nonnegative item count and a positive page size.
JavaScript✓ Tested
Calculate a page count with ceiling division
TypeScript: Use Math.ceil for a nonnegative item count and a positive page size.
TypeScript✓ Tested
Calculate a two-dimensional vector length
C++: hypot avoids unnecessary intermediate overflow in the sum of squares.
C++✓ Tested
Calculate an integer beyond the 64-bit range
C#: Use BigInteger for arbitrary-precision integer arithmetic.
C#✓ Tested