Conversion of a non-OO programmer to Delphi
Question: I have an expert C-programming background. Now that I want to OOP I find myself frustrated with learning Delphi and the paradigm shift to OOP at the same time.
Question: I have an expert C-programming background. Now that I want to OOP I find myself frustrated with learning Delphi and the paradigm shift to OOP at the same time.
Question: How do I implement drag and drop between two list boxes on a form? Answer: Dragging items from one list box and dropping them into another is, with Delphi,
Question: Could you please tell me how to take a value from a field of a databse and store it as a variable. I want to take an int variable
Question: I’ve seen several shareware descendants of TDBGrid that don’t flicker when you move through the associated table.How do I get rid of the flickering in TDBGrid when you hold
Question: How do I create a LIST_SELECT event? Specifically, what should I put in the fields of the statement: Event anevent = new Event(mylst, event.when, event.LIST_SELECT, ?, ? event.key, event.modifiers,?)
Question: How do you change a button’s caption after it is created? Answer: Java’s Button class defines two methods for getting and setting a button’s caption. They are getLabel() and
Question: I’ve read your previous answers and explanations about threads. I especially liked the plain-vanilla ones. But what I don’t see how to do is interrupt the execution of a
Question: I want to change master, wave and midi functions using API calls with Delphi. How can I do that? Answer: This is not a question that is answered very
Question: Can I do the function which is like the macro in Clipper? For Example, Pass the (X*(Y+Z)) string to it and return the answer. Answer: I don’t see why
Question: How do I copy a file in Delphi? Answer: H3>Reminiscing on Days Gone By…Back in the old DOS days, we took for granted copying a file from one place
Question: I have an INI file that is approximately 20K with all entries in one section. If I use TIniFile’s ReadSection method, only part of the section gets loaded. Why?
Question: Is it possible to create forms with shapes other than the standard rectangular shape in Windows? Answer: Sometimes it’s just not enough to write applications that have the same
Question: Can a Java applet or executable run locally on a PC if the PC is not connected to a network? Example: I bring up my home page and download
Question: How can I convert numbers to hexadecimal strings? Answer: Although it was not mentioned in the original documentation forJavaScript, the toString method has been available forconverting integers into strings
Question: How can I control the position of new browser windows createdwith the window . open method? Answer: Although JavaScript’s window . open method makes itpossible to automatically open new
Question: When I try to run the appletviewer in DOS or try to run the JWS(Java Workshop) under Windows 95, it dumps a stack and gives me the following messages.
Question: When you open a table in both the Database Desktopand a self-written Delphi app, and you post a record in your own app, the changes are reflected automatically in
Question: I am a little puzzled by the question and answer headed”Databases: how can I use two different Data Controls to displaydata from a single DataSource and Table?”What is the
Question: I’m porting my C code to Java and would like to know how I would implement the C enum keyword to Java. Answer: There is no convenient mechanism for
Question: I’ve been poking around the net and have seen several development environments for creating Java applets/applications. What software do I need to create JavaScripts that I can use on
Question: Is there any way with HTML, JavaScript, Javaor whatever to disable the “Back” and “Forward” buttons in the Netscape toolbar? As content on the Web enters the realm of
Question: I am trying to construct an applet that accepts data from the user and performs several calculations on that data.I would like to give the capability to print out
Question: How can a server written in Java work like a UNIX daemon? To me it seems that a server cannot be an applet. Is it a standalone application? Answer:
Question: Hi, I just started to program in Java in Win95 platform. Even though I/O through files has already been discussed, I am having trouble reading a double from the
Question: How can I get the version of Windows at runtime? Answer: Use the WinAPI call to GetVersion. GetVersion returns 3.1for Win 3.1, 3.11, WfW 3.11 and Win NTwhen called
Question: I am using Microsoft’s Active Server Pages for a web application I am working on. In the application I must take user input (via an html form) and insert
Question: I am using frames and would like to disable the Print button on Internet Explorers’ toolbar when a particular document is shown within a frame.I can get it to
Question: How can my Windows NT users access NetWare’s file andprint resources? Answer: In order for Windows NT users to be able to access NetWare 3.x or 4.xresources, the following
Question: How can I install a second Novell server on my network without having togo through CDs or floppy disks? Answer: If you already have a Novell 4.x server installed
Question: How does DNS work? Answer: Domain Name Service (DNS) is a service that is contained in the TCP/IP protocolsuite and provides a way of mapping IP addresses to names;