You can determine the line where the caret is in a multiline TextBox control by sending the control a EM_LINEFROMCHAR message, as follows: Private Declare Function SendMessage Lib “user32” Alias “SendMessageA” (ByVal _ hWnd As Long, ByVal wMsg As Long, ByVal wParam As Long, _ lParam As Any) As LongConst
f you have been following this series of articles, you know the problems with date data entry and the proposed a pop-up calendar solution that allows a user to pick and select dates instead of typing (or mistyping) a date. In last month’s article, I showed you how to create
n a previous 10-Minute Solution, “New PL/SQL Features in Oracle 8i: Part I,” I write that Oracle PL/SQL programmers develop complex code nowadays, utilizing custom and Oracle-supplied packages. It therefore becomes critical to identify and solve performance problems. Oracle 8i’s Profiler does just that: it analyzes PL/SQL code and locates
ith all the hype that servlets, JSPs, EJBs, and distributed J2EE applications have received, the art of creating a basic interactive command line Java application has been lost. Although fancy Swing-driven GUIs or browser-based clients are great for the end users of your company’s software development packages, they aren’t really
ne of the inherent difficulties in backup and contingency planning is that it usually takes only one thing to go wrong to bring down your entire system. To be truly successful, your backup plan must account for all possibilities. Unfortunately it’s easy to forget to account for one particular scenario
ith more and more companies moving their applications to the Internet, Visual Basic developers are faced with the problem of having to build components that scale to thousands of users. This either takes learning all of the tricks to squeezing every bit of performance out of VB or moving to