In a Query component I have a SQL string :
select sum(price) from customer
What do I write to add one field more?
I have tried many ways like:
select date sum(price) from Customer
select date and sum(price) from Customer
The uses clause is one of those things that just tends to grow and grow.
Most of the time this is in the main form, as it's from this form that all others are called.
If you have a big application (including many forms),
the uses clause in the in…
Creating an auto free TStringList
The TStringList is a basic and frequently used object in Delphi. On many occasions, you may want to create a temporary list, process some items in the list and be done with the list.
In such cases, you have to…
The Email Laundry PDF encryption service allows companies to send confidential encrypted emails to anybody. The PDF document can also contain attachments that are embedded in the encrypted PDF. The password is randomly generated by The Email Laundr…