Sorted:

What should be considered when retrieving values from a SQL array?

How to create a drop-down list box ComboBox control?

How to remove spaces in the middle of a string using Oracle?

How to use the CheckBox control in WinForms?

How to use the TextBox control in a WinForms application?

How is the console.writeline used in C#?

How to query and merge two rows of data in MySQL?

How can I write addition and subtraction operations in VB?

What is the method in Java to remove white spaces from a string?

What are the rules for automatic type conversion in Java?