Debugging - Page 3

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Determine if an Error Has Occured During Object Construction by Sandeep Gain This can be achieved in java by throwing an exception from your Constructor. Since Constructors cannot return a value, this is the only way you can achieve error handling.
Use VB's Date/Time Picker Control With No Date by Jason Ingram Using the DTPicker control is good except if you
Exception Handling, Inheritance and the Need For Strict Rules by Anil Nair Java has some strict rules for exception handling when it comes to inheritance and overriding of methods.
View Recordsets in Temporary Grids by Nazmul Siddiqui An alternate, convenient way to view recordsets in debug mode is to persist a recordset to disk using rs.save MyFileUNC.ADTG in the immediate window. Note that the file must be of ADTG type (*.
Populating Controls From a Recordset by Nazmul Siddiqui On a form, basing populating controls on a supplied record may lead to error, because a perfect match is needed between the control tags and the field list. Any pre-specified error handler jumps ...
Returning a Value from a Function that Throws by Danny Kalev A reader asked me the following questions: "Can a function that returns something, throw a exception and still return a value?" Lets' look at a concrete ...
Passing an ActiveX Control As a Parameter by Mahesh Hegade Trying to pass an ActiveX control as a parameter to a method on an external ActiveX DLL (or EXE), garners a
Use printStackTrace() method to generate stack by Deepak Pant Stack trace is a kind of call stack, which maintains the call sequence of methods at any given point in time. Throwable class in Java provides a method called "printStackTrace()" which can be ...
Significance of const Return by DevX Pro What is the significance of const return type from a function? Similar to: const int func1();
Rethrowing a Throwable Exception in Your Code by Mahesh Chulet Use the fillInStackTrace() method to rethrow a Throwable type of exceptional condition in your code. This is useful if you want to rethrow a exception that occurred while using a method or creating a ...
xp_cmdshell and Windows Apps by DevX Pro Why can't I run an application like ws-ftp from SQL with xp_xmdshell? ws-ftp will start, but it's not visible on the screen.
Violating an Exception Specification by Danny Kalev The implementation ensures that functions having an exception specification should throw only exceptions that are listed in their exception specification. For ...
Cannot Quit FoxPro by DevX Pro I have built an executable file and included a READ EVENTS command. After running the .exe, I am unable to quit VFP. The message I get reads: "Cannot quit FoxPro."
Function's Return Value by DevX Pro I'd like to know how can I make a return of a function's local variable (for example, a reference to it) not using pointers technique?
Keyword 'huge' by DevX Pro I am getting a compile error 'huge' obsolete keyword. I am converting a process from Visual C++ 2.0 to 6.0. What keyword could I use in place of 'huge'?
Stack Unwinding in the Event of an Uncaught Exception by Danny Kalev When an exception is thrown and no matching handler can be found for it, C++ invokes the function terminate(). By default, terminates invokes the function abort(). Some compilers guarantee that at ...
Differences in Execution Flow by DevX Pro Why would a program not yield any errors, and yet not run on one system, while resulting in a perfect run (unchanged) on another system? Specifically, a switch statement was completely ignored on my system, yet functioned accurately on my professor's.
Project Reference by DevX Pro In a code I'm developing, I am getting a "can't find project or library" error message when it gets to the following functions: Chr(), Right(), Left(). Aren't these VB predefined functions? If not, what project reference do I need to add?
Error Handling Routines by DevX Pro While converting source code from C to C++, I came up with difficulties in converting error handling routines like err_quit(),err_sys(),etc. Are there C++ versions of these functions and where can I find them?
Workaround for SendKeys by Bobby Orr Sendkeys "{TAB}" can lockup the keyboard in Windows 2000. Here's how ...
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