Top "Zero" questions

How to replace nulls with zeros in postgresql crosstabs

I've a product table with product_id and 100+ attributes. The product_id is text whereas the attribute columns are integer, …

postgresql null zero crosstab

MySQL monthly Sale of last 12 months including months with no Sale

SELECT DATE_FORMAT(date, "%b") AS month, SUM(total_price) as total FROM cart WHERE date <= NOW() and date &…

mysql sql zero monthcalendar not-exists

negative zero in python

I encountered negative zero in output from python; it's created for example as follows: k = 0.0 print(-k) The output will …

python floating-point floating-accuracy zero

Windows font that clearly disambiguates the number ZERO from letter O

Our intranet web pages need to clearly disambiguate between the letter O and the number ZERO. Is there a screen+…

fonts embed zero glyph system-font

/dev/zero or /dev/random - what is more secure and why?

Can anyone tell me why is /dev/random is preferred for security while wiping data from a hard drive?

linux random zero

Pad python floats

I want to pad some percentage values so that there are always 3 units before the decimal place. With ints I …

python floating-point zero pad

How set 0 with MAX function when it is NULL?

I would like to understand how to set 0 value of the attribute when it is NULL with MAX function. For …

mysql null max zero

Exclude zero values from a ggplot barplot?

does anyone know if it is possible to exclude zero values from a barplot in ggplot? I have a dataset …

r ggplot2 bar-chart zero

php array_search 0 index

It seems that that you can not use the search_array function in PHP to search the 0 index AND have …

php arrays search zero

'property: 0' or 'property: 0px' in CSS?

I've seen this notation used a lot, and I was wondering, is there is any notable difference between these two …

css properties zero