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by: Joseph |
last post by:
Hi
I'm writing a commercial program which must be reliable. It has to do
some basic reading and writing to and from files on the hard disk,
and also to a floppy.
I have foreseen a potential problem. The program may crash
unexpectedly while writing to the file. If so, my program should
detect this during startup, and then (during startup) probably delete the
data added to the file and redo the writing operation.
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by: MLH |
last post by:
I don't know how it happened. I have hundreds
of hours worth of work invested in a file I foolishly
named DB9.mdb. I was intending on renaming the
file soon. But I neglected to do so before getting
caught up in a new project. When I did, I forgot
about the filename I was working under. One day,
and I don't know how long ago it was, I deleted
db*.mdb and db*.ldb from the development
directory as a routine part of disk housekeeping.
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by: Jon LaBadie |
last post by:
Suppose I'm using stdio calls to write to a disk file.
One possible error condition is no space on file system
or even (in unix environment) a ulimit of 0 bytes.
Which calls would be expected to return error codes for
such conditions?
Would it happen on the writes (fwrite, fprintf, fputs ...),
or as they actually write to io buffers, might the errors
not occur until the data is flushed or the file is closed?
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by: Claudio Grondi |
last post by:
I have a 250 Gbyte file (occupies the whole hard drive space) and want
to change only eight bytes in this file at a given offset of appr. 200
Gbyte (all other data in that file should remain unchanged).
How can I do that in Python?
Claudio Grondi
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by: elgiei |
last post by:
Good morning at all,
i have to implement a server,that every n-seconds (eg. 10sec) sends to
other clients,which files and directory has been deleted or modified.
i build a n-tree, for each files on harddisk there's a node into n-
tree,
this solution is not good for large hard disk..
and i can't use inotify (it's forbidden),
and only c solutions are accepted
without third party software or external calls.
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by: AdrianH |
last post by:
Assumptions
I am assuming that you know or are capable of looking up the functions I am to describe here and have some remedial understanding of C programming.
FYI
Although I have called this article “How to Parse a File in C++”, we are actually mostly lexing a file which is the breaking down of a stream in to its component parts, disregarding the syntax that stream contains. Parsing is actually including the syntax in order to make...
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by: ganesh.kundapur |
last post by:
Hi,
I want to know how to compile the C source file without using the
compiler directly. I mean to say by using compiler componets such as
( cpp, cc, as, ld ).
I tried to compile the fallowing code as fallows
file name: hello.c
# include <stdio.h>
int
main ( void )
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by: Luke Davis |
last post by:
I'm new so bear with me. Is there a way for the catch to fix a problem
then start the try over again?
For example, I have this console application sync a remote database and it
takes hours. Sometimes the link, for no apparent reason will drop and will
trigger the catch. I want the catch to wait a minute then start the try
over again. Possible? or not?
Luke
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by: glennanthonyb |
last post by:
Hi
The company I work for has finally woken up to data security on our field
laptops. I'm writing something in C# that will allow remote deletion of
sensitive data and I don't believe File.Delete() will be sufficient.
Is there anything in .NET that removes any remanence of the file?
If it isn't going to be easy, does anyone know of a component that I can
hook into to do the dirty work, free of otherwise?
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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: 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 Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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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: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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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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by: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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