Knowledge / Stack Overflow · hot matching “cat”

6 shown · updated 2m ago · read only

How to average multiple files across groups (stackoverflow.com)stack

22 points by carbonmire in stackoverflow.com · 1h ago · stack

I have a folder of some 1400 CSV files that are all in identical format. Each file has a row of column headers, a column of row headers, and a matrix of data. All cells are numerical except the column headers (row headers are numerical and each position is always the same number…
filed under r list matrix-multiplication
Prisma (ORM) migration command hangs open indefinitely on port 6543 instead of finishing (stackoverflow.com)stack

20 points by Ryadh Own in stackoverflow.com · 2h ago · stack

I am runing Prisma migrations for a NestJS application connected to a Supabase PostgreSQL database. When I run npx prisma migrate dev --name init (or deploy) using the connection string with port 6543, the command doesn't fail, throw an error, or time out; instead, it hangs inde…
filed under postgresql prisma
"Type of predictors in new data do not match that of the training data." within terra::predict (stackoverflow.com)stack

19 points by Léa C in stackoverflow.com · 3h ago · stack

I am facing an issue similar to the one raised here r random forest error - type of predictors in new data do not match but cannot apply the suggested solution to my problem, as my test data is a raster stack. I am trying to run the line: mean_rast <- terra::predict(s, model, na…
filed under random-forest categorical-data terra quantile-regression
SSL certificate error for IE users only (stackoverflow.com)stack

4 points by Andy Williams in stackoverflow.com · 13y ago · stack

I recently migrated to a new server (CentOS with plesk 11.0) and installed a new SSL certificate for my domain. Problem now is that any IE user has the error "there is a problem with this website's security certificate" when they try to access the secure area of my site. I've te…
filed under security ssl certificate
Android: external storage permission issue: (stackoverflow.com)stack

2 points by Farhan in stackoverflow.com · 15y ago · stack

I really need someone here to guide me about some issues with the external storage OR sd-card. I won't go into complexities. I have a folder with the name of MyVideos . It is located in the sd-card folder of Motrola Xoom; the path is "/mnt/sdcard-ext/MyVideos. The folder is alre…
filed under android permissions sd-card
What is the recommended way to encrypt user passwords in a database? (stackoverflow.com)stack

1 points by szabgab in stackoverflow.com · 16y ago · stack

In a web application written in Perl and using PostgreSQL the users have username and password. What would be the recommended way to store the passwords? Encrypting them using the crypt() function of Perl and a random salt? That would limit the useful length of passswords to 8 c…
filed under perl security postgresql