The following loop is very inefficient: for (int j=0; j

Most compilers nowadays have several options that reduce compilation time considerably. These options include incremental build, precompiled header files, and cached header files. By default, these options are turned off.

Question: I have written a simple application with one form. I compiled the project as an .exe. My exe works fine if I am inside VFP, but when I make

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Question: In a FoxPro 6.0 application, I want to be able to push a button anddisplay a report on the screen. This report should be displayed in a new window,

The max() macro or template takes two values and returns the highest. What if you need to calculate the maximum of three values? You don’t need to write a special

Question: I want to create a system error object that will take care of system errors and database errors. Should I inherit it from the error object, or should I

Question: The following code produces an error when compiled on Microsoft Visual C++ 6 SP3: for (int i = 0; i < 10; i++) cout

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Question: How can I write a function in C++ that would create a folder/subfolder on the hard-disk? Answer: Standard C or C++ don’t define such a function. However, most platforms

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Question: What is the most efficient method of converting Informix data in a Unix operating system to text or dbf data in an NT operating system (size = 8GB)? Answer:

Question: I have three quick questions: Is the Informix standard ANSI? Does it accept the function CAST()? What is the largest size char that I can declare? Answer: Informix conforms

Question: Is there a macro that returns the name of a function which calls the macro? If not, how can I define such a macro? Answer: Yes and no. The

‘ number of permutations of N objects in groups of M” Note: requires the FACTORIAL routineFunction Permutations(ByVal Objects As Long, ByVal GroupSize As Long) As Double Permutations = Factorial(Objects) /

‘ The factorial of a number” if NUMBER is negative or >170 it raises an’ “subscript out of range” errorFunction Factorial(ByVal number As Long) As Double Static result(170) As Double

‘ the Greatest Common Divisor of two integers’ (it uses the Euclide’s algorithm)’ if either argument is zero you get a “Division by Zero” errorFunction GCD(ByVal n1 As Long, ByVal

‘ A random number in the range (low, high)Function Rnd2(low As Single, high As Single) As Single Rnd2 = Rnd * (high – low) + lowEnd Function Related Posts AI

‘ number of Combinations of N objects in groups of M” Note: requires the FACTORIAL routineFunction Combinations(ByVal Objects As Long, ByVal GroupSize As Long) As Double Combinations = (Factorial(Objects) /

‘ the Least Common Multiple of two integers’ (it uses the Euclide’s algorithm)’ if either argument is zero you get a “Division by Zero” error” Note: if your app also

‘ The fractional part of a floating-point number’ note that negative numbers return negative valuesFunction Fract(number As Variant) As Variant Fract = number – Fix(number)End Function Related Posts Report: More

‘ Base 10 logarithmFunction Log10(number As Double) As Double Log10 = Log(number) / 2.30258509299405End Function Related Posts IBM Bluemix Adds New DevOps ServiceMicrosoft Reorganizes, Combines Windows and Devices GroupsWhat Happened

‘ Return True if the number is primeFunction IsPrime(ByVal number As Long) As Boolean ‘ manually test 2 and 3 If number > 3 Then If number Mod 2 =

Question: I would like to display a “Quote of the Day.” In order to do this, I need to retrieve the numbers of records in a recordset and then randomly

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Question: I’m looking for a copy of snip.exe. This program registers/unregisters components/DLLs under a given directory. Answer: I don’t know about SNIP, but how about an even easier method? Copy

Question: I am trying to back up my server, but there are no freeware products that will save the ACLs off the files on the backup. Tape backup is not

Asking how to select into a variable using dynamic SQL is a frequent question on newsgroups because SQL Server will not let you select into a variable using the EXEC()