473,473 Members | 4,185 Online
Bytes | Software Development & Data Engineering Community
Create Post

Home Posts Topics Members FAQ

Please clear it off (global n local)

4 New Member
Hi everyone...

Am new to the forum and i need all ur support and interaction.

On declaration a local variable contains garbage value whereas a global variable is automatically initialized with 0.

can you please tell me why this happens.......... if this is already posted plz get me the link....


thnx in advance....

Sujith
Jun 26 '07 #1
1 1182
OuaisBla
18 New Member
This is related to your C++ compiler behaviour. But normally, in C++ both should be uninitialized, specially in release build.

Also, I think you are referering to builtin types right? Those doesn't have default contructors. This is inherited from C long ago.
Jun 26 '07 #2

Sign in to post your reply or Sign up for a free account.

Similar topics

8
by: David Hitillambeau | last post by:
Hi guys, As I am new to Python, i was wondering how to declare and use global variables. Suppose i have the following structure in the same module (same file): def foo: <instructions>...
3
by: Kyle Root | last post by:
I'm writing a little program that compares two versions and tells you whether you are upgrading, downgrading, or it's the same version. Unfortunately, I haven't gotten very far, in fact I'm at a...
21
by: gargonx | last post by:
would anyone like to help to fugure out this problem i'm having here's a portion of my code: """ I have three dictionaries along with this(you can probally spot what they are), but just in case...
7
by: x muzuo | last post by:
Hi guys, I have got a prob of javascript form validation which just doesnt work with my ASP code. Can any one help me out please. Here is the code: {////<<head> <title>IIBO Submit Page</title>...
4
by: Brad Isaacs | last post by:
I am working with ASP.NET 2.0 and using an SQL Server 2000 database. I am using Visual Studio 2005 and developing on my Local machine. I am working with Login controls ASP.Configuration, I...
9
by: Ed Jensen | last post by:
I'm having a vexing problem with global variables in Python. Please consider the following Python code: #! /usr/bin/env python def tiny(): bar = for tmp in foo: bar.append(tmp) foo = bar
1
weaknessforcats
by: weaknessforcats | last post by:
C++: The Case Against Global Variables Summary This article explores the negative ramifications of using global variables. The use of global variables is such a problem that C++ architects have...
1
by: alan | last post by:
I have a set of classes, cell, cell_body, and cell_internal. cell_internal is an abstract base class, intended to encapsulate deferred computation. cell is just a wrapped pointer around...
112
by: istillshine | last post by:
When I control if I print messages, I usually use a global variable "int silent". When I set "-silent" flag in my command line parameters, I set silent = 1 in my main.c. I have many functions...
0
by: Hystou | last post by:
There are some requirements for setting up RAID: 1. The motherboard and BIOS support RAID configuration. 2. The motherboard has 2 or more available SATA protocol SSD/HDD slots (including MSATA, M.2...
0
Oralloy
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,...
1
by: Hystou | last post by:
Overview: Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows...
0
tracyyun
by: tracyyun | last post by:
Dear forum friends, With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each...
1
isladogs
by: isladogs | last post by:
The next Access Europe User Group meeting will be on Wednesday 1 May 2024 starting at 18:00 UK time (6PM UTC+1) and finishing by 19:30 (7.30PM). In this session, we are pleased to welcome a new...
0
by: conductexam | last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and...
0
by: TSSRALBI | last post by:
Hello I'm a network technician in training and I need your help. I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs. The...
0
by: adsilva | last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
0
muto222
php
by: muto222 | last post by:
How can i add a mobile payment intergratation into php mysql website.

By using Bytes.com and it's services, you agree to our Privacy Policy and Terms of Use.

To disable or enable advertisements and analytics tracking please visit the manage ads & tracking page.