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Binary Representation of a Char

Question: How can I get the binary representation of a letter or number? Forexample, the letter “A” is 100 0001, the letter “B” is 100 0010, etc… Answer: You can

Getting Started with Exchange

Question: I am in the process of installing Exchange 5.5 for the first time. I need some help understanding the basic concepts of this system. How do I get the

Use Recordset.Supports() Method for Robust Code

You can use Supports() method of ADODB.Recordset object to write robust code. This method takes in a enum parameter and returns a boolean value which can be used to determine

Avoid Typedefs When Defining Structs

In olden days, before C++ appeared, it was customary to declare a struct as a typedef name. For example: typedef struct DATE_TAG { int day; int month; int year; }

Display Popup Windows

Here is a simple way to provide popup window functionality in your Webpages. The idea is to display a popup window if the user moves the mouseover certain text areas

Translate Color Values Faster

This tip is an update to “Translate Color Values”. That method converted numbers to strings, then performed string manipulation to get individual RGB values. This solution uses a concept near

Avoid Excessive use of Fully Qualified Names

To some extent, the use of fully qualified names is the recommended way of referring to namespace members because it uniquely identifies and yet it avoids name conflicts. For example:

Loading Dynamic Forms

Question: I have a menu system that loads the name of a form into the appropriate menu item. How would you load the form from that item, considering that when

Arctan Function Problems

Question: I have to use the arctan function but there are onlyarcsin and arccos in VB. And arctan is not equal toarcsin/arccos. I have lost almost all of my trigonometry

Adding a New Label at Run Time

Question: I have been unable to add a new label onto my form at run time because the ‘new’ command doesn’t seem to work for a label. What’s the best

Difference Between Subs and Functions

Question: As new to Visual Basic, I am having trouble understanding the difference between Sub a Procedure and a Function Procedure. And I would also like to know where and

ADO Data Control

Question: I hope that you might be able to help me with the problem I am experiencing. I am developing an application in VB6 using ADO Data Control. I need

Dynamically Change the Title of an HTML Page

Here is a simple way by which you can dynamically change the title of the browser window (or an HTML page). There are certain scenarios where you can use this

Check if Provider Supports Transactions

A transaction can be defined as a related set of operations that read and modify data in a single batch. Every transaction should follow the ACID rule, where ACID stands

Initialize Class’s Data Members Easily

Consider the following class: class Book { private: char ISBN[11]; int year bool in_stock; char name[100]; // Related Posts Microsoft to Release Windows 10 SDK Preview This MonthSamsung Galaxy Z

Opaque Pointer

Question: What exactly is an opaque pointer? Answer: The term “opaque pointer” is used in component-based programming, e.g., COM and CORBA. It refers to a pointer to an object of

Bit Classes

Question: Are there power bit set classes around that can do what Verilog, VHDL can do so easily? a[3:2,0] = b[4:1] & c[5]; // collections of width n mixed with

dynamic_cast implementation

Question: How does dynamic_cast work? How is it implemnted in compilers? Answer: dynamic_cast accesses the runtime type information that C++ automatically generates for every polymorphic class. This information is stored

Custom Right-Mouse-Click Menus

Question: How do I customize the mouse’s right-click menu? That is, instead of Cut, Copy, Paste, Select All, Delete in Edit-Masks, etc., I would like to display my custom menu,

Formatting Data in Tabular Form

Question: I use SQL 6.5 in an industrial setting. I have an application that writes a new record into the database every time a pallet blocks a photoswitch. After 24

Verifying Whether a String Contains a Number

Question: Is there a function that gives me a simple way to know whether a string contains a number or not? I’ve already done something with ASCII values, but this

Counting Specific Records

Question: How do I count the records for a specific field? For example, I’m building a table for homes in a county. In the table are fields for cities and

Group By Statement

Question: How do I use the Group By statement in SQL Query? Answer: Group By is a way to collapse a result set around a textual value summarizing its contents

Filtering Junk E-mail from My In-box

Question: Could you please explain how to trap the e-mail ID from the In-box, so that I can filter my incoming junk mails? Answer: Filtering junk mail is tricky business

Journal Entries Appearing to Users

Question: Why do Journal entries within a (slightly) customized contacts database in Public folders only appear to the user who logged the Journal entry? All other fields in the contact

Redundancy After SELECT

Question: I need to have a result from a SELECT query with all the rows containing “word1” in column 1 and all the rows containing “word2” in column 2. If

ShortPathName – Convert a long file name to 8.3 format

Private Declare Function GetShortPathName Lib “kernel32” Alias _ “GetShortPathNameA” (ByVal lpszLongPath As String, _ ByVal lpszShortPath As String, ByVal cchBuffer As Long) As LongConst MAX_PATH = 260′ Convert a long

The number of days in a month

You need just one-line function to evaluate the number of days in a month (while taking leap years into account, of course). The trick is to use the DateDiff and