corrupt

I have an excel file that i want a user to be able to download from my server. I have looked at a lot of questions on here but i cannot find a way to correctly download the file w/o corruption. I am assuming it is the headers but i haven't had a working combination of them yet. This is what i have right now and in the corrupt file that i receive i can see the column names of the spreadsheet i want but its all messed up. $filename = '/var/www/web1/web/public/temporary/Spreadsheet.xls'; header("Content-type: application/octet-stream"); header("Content-type: application/vnd-ms-excel"); header(

I am downloading multiple images from below code and saving to the DB. But for some images I am getting below error. Error: ImageIO: PNG invalid distance too far back Error: ImageIO: PNG incorrect data check dispatch_queue_t queue = dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_HIGH, 0ul); dispatch_async(queue, ^{ NSString *imgStr = [dict objectForKey:@"image"]; imgStr = [imgStr stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; NSData *imgData = [NSData dataWithContentsOfURL:[NSURL URLWithString:imgStr]]; UIImage *image = [UIImage imageWithData:imgData]; dispatch_sync

I’ve been working on an TCP/IP IOCP server application. I’ve been testing performance (which seems in line with TCP throughput testing utilities) and now have been testing data integrity – this is where I am getting some “weirdness”. As an initial test, I decided to have a test client send a 1MB block of data over and over where that block is just a sequence of integers incremented one after the other. The idea being that I can verify that each received buffer of data is consistent with no missing data in that buffer, independent from any other buffer received, meaning I don't need to worry

I am writing a simple test ICOP client and server to ensure I am using the API correctly and that the data the client sending is being received correctly by the server. I have included all the code for this question. This is where I ran into some problems, that the data within the receive buffers sometimes seems to be corrupted (corrupted in that sometimes chunks of data within buffers can be out of order or missing). To be clear, this is data within individual receive buffers, I don’t mean out of order between multiple buffers because of thread scheduling issues. I previously posted a

The most common method for corrupting compressed files is to inadvertently do an ASCII-mode FTP transfer, which causes a many-to-one trashing of CR and/or LF characters. Obviously, there is information loss, and the best way to fix this problem is to transfer again, in FTP binary mode. However, if the original is lost, and it's important, how recoverable is the data? [Actually, I already know what I think is the best answer (it's very difficult but sometimes possible - I'll post more later), and the common non-answers (lots of off-the-shelf programs for repairing CRCs without repairing data),

I've got a problem that has risen many times on SO, but I can't seem to find the solution to mine! I'm trying to deliver a pdf file to the client without it opening in the browser, the file downloads but it is corrupt when I open it and is missing quite a few bytes from the original file. I've tried several such methods for downloading the file but I'll just show you the latest I've used and hopefully get some feedback. I have also opened the downloaded PDF in a text editor and there are no php errors at the top of it that I can see! I'm also aware that readfile() is much quicker but for

I ahve the following piece of code. I get a correctly filled vector. But I am unable to print or use the vector contents which are file names from a directory. As soon as I do enter the first iteration. Everything gets lost. What am I doing wrong? wprintf - This works OK wcout-- here is where everything ends up corrupted #include <windows.h> #include <sstream> #include <string> #include <vector> #include<iostream> void GetAllFiles(vector<LPCWSTR>&, wstring); using namespace std; void main (void) { vector<LPCWSTR> files(0); wstring path = L"Datasets\\Persons\\"; wstring ext = L"*.*"; wstring