How can I get the Cartesian product (every possible combination of values) from a group of lists? For example, given somelists = [ [1, 2, 3], ['a', 'b'], [4, 5] ] How do I

I have 2 models for 2 different databases: Databases were created manually but it should change nothing. class LinkModel(models.Model): # in 'urls' database id = models.AutoFi

I am getting this weird problem in IE with a CSS Overlay I am applying for a lightbox. Basically, I use fadein and fadeout for jquery - the problem is that everything works fine EXCE

Are there non obvious differences between NVL and Coalesce in Oracle? The obvious differences are that coalesce will return the first non null item in its parameter list whereas nvl

I'm having trouble with the array results in my php. My first problem is this : It shows everything even if the checkbox isn't checked. My second problem is that it won't insert t

PIMPL stands for Pointer to IMPLementation. The implementation stands for "implementation detail": something that the users of the class need not to be concerned with. Qt's own clas

How can I continue to run my console application until a key press (like Esc is pressed?) I'm assuming its wrapped around a while loop. I don't like ReadKey as it blocks operation a

I need a function which takes in a list and outputs True if all elements in the input list evaluate as equal to each other using the standard equality operator and False otherwise. I

I'm trying to find a way to be able to update the unit code for any new unit product, but keep the original unit code for unit products that have already been created. That is, if the unit codes change between the topics offered, I want the unit codes to reflect the exact codes at the time the unit course was created. This is my table CREATETABLEUnits(UnitsIDINT(10)AUTO_INCREMENT,UnitsNameVARCHAR(255)NOTNULL,UnitsCodeVARCHAR(20)NOTNUL

I'm getting a 2013LostConnectiontoMySQLserver message during a query to MySQL hosted on an AWS instance. The query below is the only one that causes this error (other queries run fine), and this query runs without issue on a Synology Docker container running MySQL. The only unique thing I found is that this query uses a CTE while other successfully running queries do not. AWSMySQL is 8.0.23 and NASDockerMySQL is 8.0.28. I have