How can I simulate an array variable in MySQL?
It appears that MySQL doesn’t have array variables. What should I use instead?
It appears that MySQL doesn’t have array variables. What should I use instead?
SET @v1 := SELECT COUNT(*) FROM user_rating; SELECT @v1 When I execute this query with set variable this error is shown. Error Code : 1064 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'SELECT count(*) FROM user_rating' at … Read more
How can I do the equivalent of: !FIND_IN_SET('needle', haystack) Answers: Thank you for visiting the Q&A section on Magenaut. Please note that all the answers may not help you solve the issue immediately. So please treat them as advisements. If you found the post helpful (or not), leave a comment & I’ll get back to … Read more
I have an array of letters that must be alphabetically sorted in a SplObjectStorage()
set
using SPL methods such as rewind()
, current()
, next()
, and valid()
. Currently, my while
loop runs indefinitely without sorting anything, but I’m not sure why. I haven’t seen anything online related to sorting either SPL doubly linked lists or Object Storage’s so hopefully this will be useful to SOC.
I want to remove the first and last word from a string.
I have a list of user ids like so: [“1111″,”5555″,”1111″,”8983”,…]. I then compute the distribution of the frequency of the ids. But somehow adding the size of the distribution bins is smaller than the user set.
I am trying to update field value in mongoose.
it seems JavaScript is lacking traditional data structures…
I don’t understand how looping over a dictionary or set in python is done by ‘arbitrary’ order.
I have two lists in Python: