I’m trying to make a small password generator with a choice of characters. In general, it turned out, but I can’t connect special characters here, it just returns an empty string. What am I doing wrong?
This is a little script randomizing what picture should it display. I can easily set this to an <img> using document.getElementById("pic").src = randPics[randNumGen], but the background tag requires me to use url(). How can I set document.body.style.background to “url(and the random image here)”? Please no JS libraries.
This is so simple, I’m embarrassed to have to ask the question:
I have an original table
I have the following table called original_table:
I have a db structured like this:
There’s business intelligence risk to exposing auto-incremented IDs to users. The methods that I commonly see people using to solve this are:
MySql – innodb_version 5.7.33
I am now trying to make random selections from each grouped column array, with chances followed by the weight of each row. For example, I have a table (DemoTable) like this:
http://sqlfiddle.com/#!9/23470/3/0
How can I best write a query that selects 10 rows randomly from a total of 600k?
