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May 13, 1997

Record locking (Delphi 2 Paradox 5)

Question: We are trying to write a multi-user Delphi 2.0 app (with Paradox 5.0 tables), and are looking for a way to determine if a record is locked by another

Screen resolution

Question: I am developing an application in Delphi 2.0 on a 1024×768 resolution (large fonts), and have been trying to get it to act properly in 800×600 mode with little

Two-table Update

Question: I’m a Paradox for Windows convert. In Paradox it’s a relatively simple thing to create a query that changes data in a field of one table with the values

Threads

Question: I recently took Sun’s Certified Java Programmers Exam and I ran into a few questions from the exam I’d like to ask you.What is the difference between >> and

Java Strings: Mutable or immutable?

Question: I don’t understand why it is said that Strings are immutable in Java. Here is a small piece of code which shows that Strings are in fact mutable:class TestStringStuff{public

TDBGrid

Question: How is possible to invert the order of a table display in a TDBGrid Component?Must it be an Index-DatabaseSource?For example, if in the database was stored:1Pippo2Gino 3PlutoHow is it