Top "Count" questions

select count(*) from table of mysql in php

I am able to get both the value and row of the mysql query result. But I am struggling to …

php mysql count

Counting the Number of keywords in a dictionary in python

I have a list of words in a dictionary with the value = the repetition of the keyword but I only …

python dictionary count keyword

Fastest way to determine if record exists

As the title suggests... I'm trying to figure out the fastest way with the least overhead to determine if a …

sql sql-server performance select count

Count number of occurences for each unique value

Let's say I have: v = rep(c(1,2, 2, 2), 25) Now, I want to count the number of times each unique value appears. …

r count unique

How to find length of digits in an integer?

In Python, how do you find the number of digits in an integer?

python count integer

Pandas count(distinct) equivalent

I am using pandas as a db substitute as I have multiple databases (oracle, mssql, etc) and I am unable …

python pandas count group-by distinct

Counting the occurrences / frequency of array elements

In Javascript, I'm trying to take an initial array of number values and count the elements inside it. Ideally, the …

javascript arrays count element

How to get multiple counts with one SQL query?

I am wondering how to write this query. I know this actual syntax is bogus, but it will help you …

mysql sql join count group-by

Select count(*) from multiple tables

How can I select count(*) from two different tables (call them tab1 and tab2) having as result: Count_1 Count_2 123 456 I've …

sql oracle count

How to count the number of files in a directory using Python

I need to count the number of files in a directory using Python. I guess the easiest way is len(…

python count glob fnmatch