Top "Count" questions

Count rows with a specific condition in aggregate query

I have this query to get the number of PlayerSessions with reconnect = TRUE, grouped by Player.country: SELECT country, COUNT(*) …

mysql sql count subquery aggregate-functions

Row count of a column family in Cassandra

Is there a way to get a row count (key count) of a single column family in Cassandra? get_count …

database count cassandra rowcount

java 101, how do I count the number of arguments passed into main?

For example public static void main(String[] args) { int count = 0; for (String s: args) { System.out.println(s); count++; } } is …

java count main args

R: Count unique values by category

I have data in R that looks like this: Cnty Yr Plt Spp DBH Ht Age 1 185 1999 20001 Bitternut 8.0 54 47 2 185 1999 20001 Bitternut 7.2 55 50 3 31 1999 20001 Pignut 7.4 71 60 4 31 1999 20001 Pignut 11.4 85 114 5 189 1999 20001 …

r count unique categories

Truncate a string inside an Excel cell if the char count is greater than than a value

In Excel, for each row of the sheet I have various length strings (a1,a2,a3...). In cell B2 I …

string excel count trunk

Count occurrences of value in a set of variables in R (per row)

Let's say I have a data frame with 10 numeric variables V1-V10 (columns) and multiple rows (cases). What I would …

r count find-occurrences

Facebook graph api comment count

seems Facebook changed the result of posts, few weeks ago it was possible to read the comment count from the …

facebook facebook-graph-api count facebook-comments

How to count unique records and get number of these uniques in table using SQL?

Imagine I have table like this: id:Product:shop_id 1:Basketball:41 2:Football:41 3:Rocket:45 4:Car:86 5:Plane:86 Now, this is an example …

sql count unique numbers records

MySQL COUNT(*) GROUP BY HAVING COUNT=?

This my Query SELECT COUNT(*) as total, toys, date FROM T1 WHERE (date >= '2012-06-26'AND date < …

mysql count group-by having-clause

count lines in a PHP project

Do you know any tool which can count all the code lines from a PHP project?

php count line