As the documentation says, this method call returns “a pseudorandom, uniformly distributed int value between 0 (inclusive) and the specified value (exclusive)”. This means that you will get numbers from 0 to 9 in your case. So you’ve done everything correctly by adding one to that number. Generally speaking, if you need to generate numbers from min to max (including both), … Read more
You can do this way – Alternatively, you can use Lists – the advantage with lists being, you don’t need to know the array size when instantiating the list. Edit: a) for loops on List<T> are a bit more than 2 times cheaper than foreach loops on List<T>, b) Looping on array is around 2 times cheaper than looping on … Read more
I’m making a project for one of my classes and I’m pretty sure I’m almost done with the project. Basically I have to input 2 people’s tickets and I have to find the maximum and minimum price. I need to overload the * and / operators to fix that issue for the project. Also, the friend declaration … Read more
Is there a goto or any equivalent in Python to be able to jump to a specific line of code?
In your table dbo.Sup_Item_Cat, it has a foreign key reference to another table. The way a FK works is it cannot have a value in that column that is not also in the primary key column of the referenced table. If you have SQL Server Management Studio, open it up and sp_help ‘dbo.Sup_Item_Cat‘. See which column that FK … Read more
Assuming you have a button with the id button, try this example: I got the code from the article Smoothly scroll to an element without a jQuery plugin. And I have tested it on the example below.
Your server process has received a SIGPIPE writing to a socket. This usually happens when you write to a socket fully closed on the other (client) side. This might be happening when a client program doesn’t wait till all the data from the server is received and simply closes a socket (using close function). In a C program you … Read more
The error is pretty clear. The file hello.py is not an executable file. You need to specify the executable: You’ll need python.exe to be visible on the search path, or you could pass the full path to the executable file that is running the calling script:
You probably need to install it using one of (or something similar to) the following: You can also mention version number like this sudo apt-get install python3.7-tk for python 3.7. Why don’t you try this and let me know if it worked: Here is the reference link and here are the docs Better to check versions as suggested here: Or you … Read more
I have set up PHP, MySQL, and Apache. localhost() for PHP and it is working well. But after I downloaded MySQL, it reports: Fatal error: Call to undefined function mysql_connect() How can I fix this?