file Questions

11

I'm making this program and I'm trying to find out how to write data to the beginning of a file rather than the end. "a"/append only writes to the end, how can I make it write to the beginning? Bec...
Cordy asked 19/11, 2009 at 2:30

10

Solved

I have a wstring declared as such: // random wstring std::wstring str = L"abcàdëefŸg€hhhhhhhµa"; The literal would be UTF-8 encoded, because my source file is. [EDIT: According to Mark Ransom t...
Vierra asked 29/10, 2010 at 16:31

6

If I have two Paths, how can I find the longest common Path of the two? import java.nio.file.Path; import java.nio.file.Paths; Path common(Path pathA, Path pathB) { ... } ... common(Paths.get("/...
Romine asked 8/2, 2019 at 15:38

3

Solved

So I have a small audio file in my assets folder and I wanted to open a InputStream to write to a buffer, then write to a temporary File, then I open up the MediaPlayer to play that temporary File....
Indiscrete asked 21/4, 2011 at 16:33

5

Solved

I need make xlsx file download from my site (but not from directly open file url like this: http://site.com/file.xlsx ) So, this is php code $file = "somefile.xlsx"; header('Content-Descriptio...
Nucleoside asked 27/4, 2013 at 9:23

5

Solved

I just got knocked down after our server has been updated from Debian 4 to 5. We switched to UTF-8 environment and now we have problems getting the text printed correctly on the browser, because al...
Psf asked 22/2, 2010 at 15:8

5

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Is there a function in XSLT that can takes in a directory path and gives back all the files in it?? I have a xml file now reads like this <filelist> <file>fileA.xml</file> &lt...
Moderate asked 9/3, 2009 at 17:29

1

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Context With the goal in mind to explore the domain of data persistence, I am trying to write a (very) simple networked service: A client sends some data to a server. The server writes the data to...
Seville asked 15/6 at 10:58

5

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Is there a generally-accepted fastest technique which is used to read a file into memory in c++? I will only be reading the file. I have seen boost have an implementation and I have seen a couple...
Hills asked 31/5, 2012 at 15:29

10

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I'm having problems with using the BufferedReader I want to print the 6 lines of a text file: public class Reader { public static void main(String[]args) throws IOException{ FileReader in = new...
Geranium asked 19/4, 2013 at 12:28

3

Assumption: A local HTML/Javascript webpage that has access to file:// At the start of a drag on a draggable HTML element, in the event handler function dragStart(e), how do I add a File object so...

2

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Can someone explain to me precisely the difference between a file descriptor and a file handle (separate from Windows' definition for the term; I'm curious about their definition, but that would re...
Iroquois asked 5/11, 2015 at 3:17

2

I'm currently designing a simple WinForms UserControl in C# where a user can drag and drop an excel file onto a panel instead of browsing for the file. I have it technically working, but it's very ...
Duplication asked 9/6, 2017 at 20:26

2

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I'm running an awk script on a 100G+ file. I have a suspicion that since it never finishes it got into some kind of infinite loop. I want to see the line that script is currently at to see if there...
Daub asked 20/7, 2022 at 21:43

5

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FTP is a pure TCP-connect protocol, and thus AFAIK "as fast as it gets" when considering TCP file transfer options. However, there are some other products that do not run over TCP - examples are t...
Dogtired asked 18/2, 2012 at 23:23

10

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I want to get File from project folder by using "File class", How can I do that? File file=new File("x1.txt");
Know asked 25/6, 2013 at 0:52

6

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for an application that uses a File as some sort of global storage for device reservations in a firm I need a way to read and write to a file (or lock a file, read from it, write to it, and unlock ...
Innominate asked 24/7, 2012 at 8:46

1

I am facing the following problem: I'm trying to implement a simulator for supply chains. These will produce a lot of EPCIS Events (events that occur at RFID readers). These events should then be w...
Westernism asked 10/1, 2012 at 15:47

10

How do you scan a directory for folders and files in C? It needs to be cross-platform.
Hyaloid asked 15/8, 2008 at 17:15

11

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My database is about 25 MB, and I've verified that the username accessing it, as well as the file permissions haven't changed in months. I'm having a problem where queries are failing due to a "dat...
Dichromaticism asked 11/3, 2011 at 14:34

3

It's clear that a file object should be closed to delete it from memory: file = open('data.txt', 'r') #more code here file.close() Is it also necessary to close a file object served to the json....
Blandina asked 4/12, 2017 at 11:57

4

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I would like to run my go file on my input.txt where my go program will read the input.txt file when I type in go run command ie: go run goFile.go input.txt I don't want to put input.txt in my ...
Examen asked 29/1, 2016 at 8:38

4

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I have a program that keeps writing to a file every second. File writing is happening in a thread parallel to the UI. Due to some hardware issue it stops writing sometimes of a day. I wanted to che...
Willing asked 11/7, 2015 at 15:28

8

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I know how to encode / decode a simple string to / from base64. But how would I do that if the data is already been written to a FileStream object. Let's say I have only access to the FileStream ...
Datcha asked 2/10, 2013 at 9:41

5

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I need to load a file given it's name, but the name I get is case insensitive. "A.txt" could actually be "a.txt". How to do this the fast way (not generate all possible names and try each)?
Tristram asked 11/12, 2011 at 6:57

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