Is the Between ... And operator strictly reserved for use in SQL?

by: jstanforth | last post by:

This is probably a very obvious question, but I'm not clear on what operators need to be implemented for std::map.find() to work. For example, I have a class MyString that wraps std::string, and...

C / C++

template conversion operator clarification needed

by: Vijai Kalyan | last post by:

Hello, I have come back to C++ after a couple of years with Java so I am quite rusty and this question may seem poor: My platform is Windows XP with MSVC 7.1. I have a class with a...

C / C++

Time diff between records

by: Mark Reed | last post by:

Hi all, I have a query (query1) which shows scan date, scan time & operator. One scan = 1 record. What I want to do is create a report based on query 2 from query1 which shows all the scans AND...

Microsoft Access / VBA

question about operator new

by: carpenti | last post by:

Dear all, I am learning C++ and I got a little confused about dynamic allocation of arrays. Any help is greatly appreciated. In the following piece of code, is the use of the operator new...

C / C++

overloading the [] operator

by: Joseph Paterson | last post by:

Hello, I've created a class to store 2 dimensional matrices, and I've been trying to overload the operator, so access to the elements of the matrix is easy. I have 3 private variables, _m, _row...

C / C++

what is the difference between deference operator and pointer

by: satyspiceoflife | last post by:

int x,a; a=10 x=&a; cout<<*x; //using dereference operator this will print value 10 the other case is int *x; //x is a pointer variable int a=10; x=&a;

C / C++

Circular Dependencies Between Libraries

by: barias | last post by:

Although circular dependencies are something developers should normally avoid, unfortunately they are very easy to create accidentally between classes in a VS project (i.e. circular compile-time...

C / C++

Conversion between float and long

by: d major | last post by:

I was very puzzled about the conversion between float and long, I cann't understand why a long val can convert to a float, as the below codes show: typedef unsigned long u_long; float val =...

C / C++

(newbie)Technically what's the difference between memset() andmemcpy() functions?

by: sam | last post by:

(newbie)Technically what's the difference between memset() and memcpy() functions?

C / C++

Easy Steps to Fix "Canon Printer Won't Connect to WiFi Network"

by: taylorcarr | last post by:

A Canon printer is a smart device known for being advanced, efficient, and reliable. It is designed for home, office, and hybrid workspace use and can also be used for a variety of purposes. However,...

General

How to turn on java script in a villaon keypad mobile phone

by: Charles Arthur | last post by:

How do i turn on java script on a villaon, callus and itel keypad mobile phone

Java

Basic Javascript concepts

by: aa123db | last post by:

Variable and constants Use var or let for variables and const fror constants. Var foo ='bar'; Let foo ='bar';const baz ='bar'; Functions function $name$ ($parameters$) { } ...

Javascript

Batch import of multiple excel files into the database

by: ryjfgjl | last post by:

If we have dozens or hundreds of excel to import into the database, if we use the excel import function provided by database editors such as navicat, it will be extremely tedious and time-consuming...

Data Management

Merging data from multiple Excel files

by: ryjfgjl | last post by:

In our work, we often receive Excel tables with data in the same format. If we want to analyze these data, it can be difficult to analyze them because the data is spread across multiple Excel files...

Data Management

Migrating Website to Cloud - Emmanuel Katto

by: emmanuelkatto | last post by:

Hi All, I am Emmanuel katto from Uganda. I want to ask what challenges you've faced while migrating a website to cloud. Please let me know. Thanks! Emmanuel

General

Navigating the Data Structures and Algorithms (DSA)

by: BarryA | last post by:

What are the essential steps and strategies outlined in the Data Structures and Algorithms (DSA) roadmap for aspiring data scientists? How can individuals effectively utilize this roadmap to progress...

Algorithms / Advanced Math

Problem With Comparison Operator <=> in G++

by: Oralloy | last post by:

Hello folks, I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>". The problem is that using the GNU compilers,...

C / C++

Maximizing Business Potential: The Nexus of Website Design and Digital Marketing

by: jinu1996 | last post by:

In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven...

Online Marketing

Is the Between ... And operator strictly reserved for use in SQL?

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