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by: muser |
last post by:
With the following code I'm trying to read a text file (infile) and
output inaccuracies to the error file (printerfile). The text file is
written and stored on disk, while the printerfile has to be created
when the program executes. But the compile keeps reading that it can't
find the text file.
Karl you wrote the original program from which this one is but a poor
copy, can you or anyone else enlighten me as to why yours worked and
mine...
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by: John Dann |
last post by:
I'm trying to read some binary data from a file created by another
program. I know the binary file format but can't change or control the
format. The binary data is organised such that it should populate a
series of structures of specified variable composition.
I have the structures created OK, but actually reading the files is
giving me an error. Can I ask a simple question to start with:
I'm trying to read the file using the...
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by: RML |
last post by:
Hi,
My VS 2005 VB app reads a binary file that was created by a VS 2005 VC++
WinCE app. The VC++ app writes the following structure to the file.
typedef struct {
short ID;
TCHAR Num;
} PARTS_STRUCT;
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by: arne.muller |
last post by:
Hello,
I've come across some problems reading strucutres from binary files.
Basically I've some strutures
typedef struct {
int i;
double x;
int n;
double *mz;
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by: Jm.GlezdeRueda |
last post by:
Hi all,
Im trying to read a 24bit bmp with fread, and i have some problems.. I
want to read the whole structure in one time, but i dont know why, it
only reads the first member well..
I have two questions..
1- why if i change fread(bmp1, sizeof(bmp1), 1, fin); to fread(bmp1,
sizeof(struct bmp), 1, fin); i have a Segment violation ??
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by: katz911 |
last post by:
Hello,
I've encountered a strange problem which I can't seem to explain.
I've written a simple C++ class that deals with a certian binary file.
In one of the methods there, I wish to update a file - namely to read
a certain field whose offset I know, and then write to another field,
whose offset I also know.
In order to read the data, I first use file.seekg(offset, ios::beg),
and then a read command; I've checked the variable, and...
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by: John Wright |
last post by:
I am trying to read the data from a device on a serial port. I connect just
fine and can receive data fine in text mode but not in binary mode.
In text mode the data from the device comes in like this:
S~5BBBBBBBBBBBBBBB5BBBBBBBB5B31BB4BB2B5BB4BBBE
S is the start of the line, ~ indicates a good read, B is a blank reading,
and the numbers 1-6 correspond to a location on the device for a line. So
there are six positions on the line...
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by: efrenba |
last post by:
Hi,
I came from delphi world and now I'm doing my first steps in C++. I'm
using C++builder because its ide is like delphi although I'm trying to
avoid the vcl.
I need to insert new features to an old program that I wrote in delphi
and it's a good opportunity to start with c++.
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by: RoddyPiper |
last post by:
I am working with a sql server database. Due to a database udgrade, sever fields which were integer are now binary(16). These fields are used for joins later in the VB project. The problem I am haveing is that I have no idea how to read in the binary field! Here is the original code(using Visual Studio 08):
strRptPars(iCount).lID = adoOleDbDataReader.GetInt32(i)
Originally strRptPars(iCount).lID was defined as LONG. I tried changing it to...
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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, people are often confused as to whether an ONU can Work As a Router. In this blog post, we’ll explore What is ONU, What Is Router, ONU & Router’s main usage, and What is the difference between ONU and Router. Let’s take a closer look !
Part I. Meaning of...
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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, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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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 tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
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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 protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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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 presenter, Adolph Dupré who will be discussing some powerful techniques for using class modules.
He will explain when you may want to use classes instead of User Defined Types (UDT). For example, to manage the data in unbound forms.
Adolph will...
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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 then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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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 last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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