how to check whether int is initialized or not in runtime?

by: Patrick Kowalzick | last post by:

Hello all, I want to test run-time if a template function for a special type exists. See example below. The checkfoo function is where I need some hints. Regards, Patrick #include...

C / C++

static members not initialized before static properties are called?

by: Ryan Steckler | last post by:

I found this behavior while trying to implement a singleton class. Below is a somewhat more straight forward example, though admittedly less useful in real life. The basic problem is that when a...

C# / C Sharp

Check if variable is defined

by: Wessel Troost | last post by:

Hi Group, How can you check if a variable is defined in C#? For example, "string s;" would declare an undefined variable. But how can I check in an "if" statement wether it's defined or not?...

C# / C Sharp

How to check if treenode.nodes is empty ?

by: | last post by:

When I am debugging I can see when treenode.nodes is empty because the count property of nodes will be zero, but at design time the count property is non existant. Is there anyway of checking...

Visual Basic .NET

handling uninitialized pointed (How to check ?? )

by: sanjaymeher | last post by:

Hi, Right now addDynamicMemory(char **ptr, int size) method can able to handle if input ptr is intitialized to NULL or something. But how to improve this method to handle uninitialized pointed...

C / C++

check if class really implements api?

by: Karsten W. | last post by:

Hello, with the zope.interface module I can query if my class claims to implement my API. This is what the method implementedBy is for. However, I find myself constantly changing the API and I...

Python

Run-Time Check Failure #3

by: Chris Stankevitz | last post by:

Hi, MSVC 7.1 .net 2003, native c++. I received this runtime message today for the first time in my life (and I've used MSVC for a long time): Run-Time Check Failure #3 - The variable...

.NET Framework

How do I check if app is running in Visual Studio or via executing exe file?

by: Michael.Suarez | last post by:

Suppose I have a program that prompts you with a dialogbox to enter a password. If you get the password correct, it allows you into the program, else it kills the program. Suppose that when I...

C# / C Sharp

Array of pointers. How to check index without failure?

by: Lorn | last post by:

Hello, I have a static array of pointers to custom objects: MyObject * aMyObjects How can i can check if an index has a pointer stored? Assuming without checking leads to crashes if no pointer...

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

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

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

Looking to do Android software development, any suggestions? Is flutter better?

by: nemocccc | last post by:

hello, everyone, I want to develop a software for my android phone for daily needs, any suggestions?

General

Is that possible of reading the .csv file in column wise and the column have different lengths ?

by: Sonnysonu | last post by:

This is the data of csv file 1 2 3 1 2 3 1 2 3 1 2 3 2 3 2 3 3 the lengths should be different i have to store the data by column-wise with in the specific length. suppose the i have to...

C / C++

What is ONU?

by: marktang | last post by:

ONU (Optical Network Unit) is one of the key components for providing high-speed Internet services. Its primary function is to act as an endpoint device located at the user's premises. However,...

General

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++

how to check whether int is initialized or not in runtime?

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