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Question: I can compile all of my .cpp files (they were written by my teacher), but I get error messages when I try to run them. I get a make
A safe-to-use, long-lasting switch statement should always contain a default label in order to avoid hard-to-detect bugs such as the following: //Month.h fileenum Month { Jan, Feb, Mar, //…etc. Dec};//Month.cpp
In standard C, the functions abort() and exit() perform an immediate program termination, regardless of where they are called from. Although this also works in C++, it is usually not
In standard C, a function declared static has an internal linkage; it is accessible only from within the translation unit (source file) in which it is declared, but not from
Question: In Delphi 1 I am trying to emulate the “..” function for wild card search in Paradox in Local SQL. I am aware of ‘like’ but it is not
Question: In a TQuery component, I use the SQL property to call up a stored procedure which is kept on a MSSQL server. The string used is ‘Execute [nameofproc] :param1,
Question: I have an app that runs on IB 4 & 5; Oracle v7.x workgroup server, and MsSql v6.5. With SQL Server, when we open a TQuery that produces a
Question: I want to ask you how can I run windows applications inside of Delphi applications (for example notepad.exe)? Answer: It’s actually even simpler than that… Look in the tips
Question: An ordinary Stringgrid with 5 columns and 7 rowsThe user wants to add 1 or 2 more rows. So farI know how to write the code! But where do
Question: I am trying to read in a value of pi/4 from an editbox. Is there a built in command to convert it to a real from a string or
Question: How to I copy a file from a source to a target in Delphi. I have been trying: SourceId := OpenFile(Source, FileStructure1, of_Read); if SourceID = -1 then ShowMessage(‘Unable
Question: I noticed a couple of people asking for help on this. Could you please tell me why my program might continually corrupt an index? I find that when I
The most plausible way to report a failure during object construction is by throwing an exception. However, this is not recommended for destructors. The problem is that a destructor may
Multiple inheritance is a powerful and useful feature in C++, but it can lead to a problem known as the DDD or “Deadly Diamond of Derivation”, as in this case:
Question: How can I create a linked list that contains different datatypes? For example: assume that I have Human as a basic class. Man and Woman are two children to
Question: I am writing a program in which I ask it to enter a name, and I want it to say if it is correct. My problem is that it
Question: Can you design an Access97 application to run on a Windows CE machine? Has this been done? By whom? And finally, do you need to create a runtime version
Question: I am trying to write a program that will search memory for a hexadecimal string and replace it with the values hardcoded in my program. It’s a game cheat
Question: I am looking for a way to use VB to connect and retrieve information from a VAX mainframe. The computer has a windows 95 emulation terminal program, and I
Question: This might not be right on topic, but I’m hoping to receive an answer by e-mail. My daughter, eight, has cerebral palsy and can use only her left hand.
Question: What advantages does WinCE have over other handheld palmtop operating systems such as the Newton and others? Answer: Wow! Now that’s a leading question. Here’s the short version of
Question: How do you determine the file size of files which are larger than 2GB? Also, how do you seek into a files larger than 2GB?Thank you Answer: You might
Question: I need to find a way to yield the CPU (for x amount of time) from one event to process another event (for x amount of time) in the
Question: How do I print out a component? Answer: Java 1.1 introduced the java.awt.PrintJob and java.awt.PrintGraphicsclasses. It also added the print(Graphics) and printAll(Graphics)methods to java.awt.Component, and the printComponents(Graphics) methodto java.awt.Container.
Question: How can I run a Java server application as an NT service? Answer: You can run a Java server appliation as an NT service if you use theMicrosoft SDK
Question: I’m writing a class that reads a log file containing timestamps.My StringTokenizer returns the timestamp as a String and I then haveto store it in a date container. Should
Question: Here is one that I couldn’t figure out for months!Will I be surprised if anyone can come up with a solution to this. How do you create a program
Question: I’m reading a book on Java 1.1 that refers to various classesthat do not exist in Microsoft Visual J++ Professional Edition,Version 1.1, which apparently installs V1.02 libraries. How canI
Question: Is it possible to create an ‘always on top window’ in java? Answer: The short and perhaps not so sweet answer is “No.” At least not in 100%Java. You
Question: How can I set the icon image for a java.awt.Dialog like you can fora java.awt.Frame using setIconImage? Answer: Unfortunately you cannot do this. A Dialog inherits the icon of
