The snippet library.
Small, practical examples. Search by task or narrow things down below.
Count distinct values within a result
Postgres: COUNT DISTINCT counts distinct non-null values.
Postgres✓ Tested
Count distinct values within a result
SQLite: COUNT DISTINCT counts distinct non-null values.
SQLite✓ Tested
Count down with a bounded loop
Arduino / C: Count down with a bounded loop on an Uno with the Serial Monitor set to 9600 baud.
Arduino / C✓ Tested
Count down with a while loop
Bash Scripts: Count down with a while loop with a small standalone Bash program.
Bash Scripts✓ Tested
Count elements satisfying a predicate
C++: count_if counts matches without constructing a filtered collection.
C++✓ Tested
Count five LED flashes with a for loop
Arduino / C: Repeat an LED action a known number of times and print the current count.
Arduino / C✓ Tested
Count items by group
Group repeated values and report each count.
Group-Object✓ Tested
Count lines in a file
Count newline characters in a text file, printing only the count without the filename.
lines✓ Tested
Count matched elements
jQuery: Learn how to count matched elements in a complete browser example.
jQuery✓ Tested
Count matching lines
Linux Commands: Use grep -c to count matching lines rather than individual occurrences.
Linux Commands✓ Tested
Count matching values
Count even numbers in a fixed C array.
C✓ Tested
Count newline characters
Count newline bytes in a C file while retaining EOF as an int.
C✓ Tested