Sorted:

How can Lua access the content of an edit box?

How can the file download function be implemented in C#?

What is the method for Lua binding libraries?

How do you use the ord() function in Python?

How to view variables after setting a breakpoint in Qt?

How to pass a parent pointer in a custom Qt class?

How can C language read text from a file?

How to change the font color and size in PHP?

How is the unset function used in PHP?

How to query pointer variables in Qt?