file-access

How do I put a File (Excel) online (Apache Server) with Password Protection but with the Option for Users to alter the File and save the changes?

I have to put an excel file online on a web server (Apache) with some basic password protection (basic http auth). User, however, should be able to open the file from within excel and save their changes back to the server. Is there any simple and effective solution for it? I am not very experienced with webdav. ...

Exclusive File access to logfile with VBScript and Filesystemobject

Need help with this one. I have a VBS script that currently writes to a logfile. This script can be kicked off my multiple simultaneous processes so now I'm worried about concurreny. I'm currently using the FilesystemObject to open and write to this file. Does FSO support exclusive file access? Thanks in Advance ...

how can you easily check if access is denied for a file in .NET?

Basically, I would like to check if I have rights to open the file before I actually try to open it; I do not want to use a try/catch for this check unless I have to. Is there a file access property I can check before hand? ...

Howto synchronize file access in a shared folder using Java (OR: ReadWriteLock on network level)

I have multiple applications running in one virtual machine. I have multiple virtual machines running on one server. And I have multiple servers. They all share a file using a shared folder on linux. The file is read and written by all applications. During the write process no application is allowed to read this file. The same for writin...

local file access with javascript

is there any local file manipulation that's been done with javascript? i'm looking for a solution that can be accomplished with no install footprint like requiring AIR. specifically, i'd like to read the contents from a file and write those contents to another file. at this point i'm not worried about gaining permissions, just assuming...

What could affect the lifespan of a NSString returned by stringWithContentsOfFile"?

Consider the 2 following methods of reading a string from a file: NSString *path = [[NSBundle mainBundle] pathForResource:@"foo" ofType:@"txt"]; NSString *string = [NSString stringWithContentsOfFile:path encoding:NSASCIIStringEncoding error:NULL]; NSString *path = [[NSBundle mainBundle] pathForResource:@"foo" ofType:@"txt"]; NSFileH...

Can a ClickOnce deployed application read files from disk?

Howdy, Can an application delivered via ClickOnce in .Net, read Excel and Access files from the users disk? I know the app is susposed to run in a sandbox, I am curious how partitioned this sandbox is from the rest of the system? Could the file be read from a network share as well as the users hard drive? There is an assumpti...

Direct file access in delphi

my application opens files does transformations and saves the data out to another file..or possible the same file.. the file size changes but i dont know how big or small its gona be untill i see the data inside the first file.. At the moment i load the file into a dynamic array do all that i need to do in there then save it back... thi...

C# Application can't read/write to files created by administrator when run in limited user account XP

I have an application that is useable by all users (admin or limited) in .NET (C# specifically). When the application first launches - it creates a few files that it needs in the C:\Documents and Settings\All Users\Documents\ for all subsequent launches. If the limited user in XP is the FIRST user to launch the application it creates t...

How do i resolve EXC_BAD_ACCESS errors encountered in iphone development

I'm trying to do a simple thing; read an image from the internet, save it to the app's documents directory on the iphone, and read it back from that file so that i can do other things with it later. Writing the file works fine but when i try to read it back i get an EXC_BAD_ACCESS error in GDB that i have no idea how to resolve. Here i...

How to protect a file in Windows

Update 3: the restrict access, using the security tab works now. (that's manually) now looking to do it programatically (using Visual C#) and also how to access a file using administrator account in a simple user account. hint - I noticed this feature in Windows, right click and use 'Execute as', enter the administrator password and then...

What is the difference between file and random access file?

what is the difference between file and random access file? ...

"Reload file?" error in codeblocks

Hi, I'm using codeblocks to as my IDE for C++ and every 10mins or so I get the following error message: "Reload File? File c:...node.cpp is modified outside the IDE. Do you want to reload it? (you will lose andy unsaved work)" Yes/No/All/Cancel If I click yes by mistake sometimes I lose the last couple of minutes of work. If I click ...

Log when file is requested from server

I need a way to log an entry into a database, everytime a particular file is requested from the server. The file can be any type, even images or other media. Is it also possible to log which IP address or hostname has requested that file? ...

Is there any reason to open a file with shared-write access?

I've always opened my files two ways -- either read access and shared-read, or read/write access and no sharing. To me it seems that allowing shared-write could always result in unexpected things happening to the file while you're reading it. Are there any good reasons to open a file in shared-write mode? ...

How do I restrict access to files with specific extensions in ASP.NET?

I have in my web application an ADO.NET Entity-Framework *.edmx file. When I browse in the browser (when the application is running) to an edmx file, it doesn't show the error page like when browsing to a *.cs or vb file, it opens the edmx and shows my model scheme to all the users!!! How can I avoid that. ...

Best strategies to manage file access restrictions on the web?

This is about selling files such as PDF files. Lets say there is a web interface where an administrator can upload files to the server. These files are for later download by clients who have paid for the rights to download these files. How to simply manage restrictions to these files for clients? How to prevent someone who has not paid f...

How to check if a file is in use?

Is there any way to first test if a file is in use before attempting to open it for reading? For example, this block of code will throw an exception if the file is still being written to or is considered in use: try { FileStream stream = new FileStream(fullPath, FileMode.Open, FileAccess.Read, FileShare.Read); } catch (IOException ...

File access, unit testing, dependency injection

Hello, I've recently asked a question regarding best ways of separating business logic from data access to make application testable (here). Thanks to Jeff Sternal, I've created interface for the data access and passing its concrete implementation from the application top level to BL. But now I'm trying to figure out how can I separate ...

File.WriteAllText throws UnauthorizedAccessException

Doing File.WriteAllText to a remote path throws UnauthorizedAccessException. When I open the file in notepad I can edit it without a problem. The process that's trying to modify the file is running as my own user account, so it should be able to access it. ...