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  • SQL: covert backup file from copy format to insert format

    - by takeshin
    I have a PostgreSQL backup made with PHPPgadmin using Export Copy (instead Copy SQL which is actually what I need). File contains entries like this: COPY tablename(id, field) FROM stdin; ... How to convert this file to SQL format? INSERT INTO tablename... I want to use Pgadmin to to import this file using execute SQL command.

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  • Importing ascii file into DataGrid in C# WPF

    - by heckler
    Hi, I just started programming in C# and using WPF so pardon my ignorance. I'm creating an WPF application where I need to dynamically make a grid. The grid headers will be different every time based on information in the text file and I will only need this grid if the user opens it. So right now, I'm able to brows for a file and get the path. Then after I create a datagrid, like this: //Create a new data grid DataGrid datagrid1 = new DataGrid(); Master.Children.Add(datagrid1); Grid.SetRow(datagrid1, 1); Grid.SetColumn(datagrid1, 1); Now, I have issues accessing the file and populating the grid. How would I be able to do this in C#? The file will first have this header: Time x y speed_x speed_y acc_x acc_y Target Leg Type The header can have more paramaters depending on the file. then it will have an unknown amount of row of data like this: 0.00 47.50 -42.50 -1.00 0.00 0.00 0.00 1 1 Sensor_1

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  • How to read MIDI file in C#?

    - by melculetz
    Do you know any library in C# that I can use in order to read an existing *.mid file? I want to draw the sound frequency graph for the MIDI file, but I cannot get the inner data. I tried using NAudio and Alvas.Audio, but I wans't able to read a MIDI file. Any suggestions?

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  • Platform independent remote file editing

    - by Ressu
    I've been investigating possibilities on editing remote files from a website without having a need to download and upload the files manually while editing. So far I've ruled out WebDAV as a possibility since it is cumbersome to use on any platform (it either requires manual setup or works unreliably). Currently I'm looking in to various Applets, but they mostly target either uploading or downloading, not file editing. What I'm currently looking for is an applet that downloads the document, launches the application that is meant to open the file and then monitors the file for changes and uploads the changed file (either automatically or by prompting the user first). I know that I'm not alone with this scenario, so i'm looking for solutions that others have thought of.

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  • Options for header in raw byte file.

    - by Tim
    I have a large raw data file (up to 1GB) which contains raw samples from a USB data logger. I need to store extra information relating to the file (sample rate, description, trigger point, last seek position etc) and was looking into adding this as a some sort of header. The header file should ideally be human readable and flexible so I've so far ruled out some sort of binary serialization into a header. I also want to avoid two separate files as they could end up separated when copied or backed up. I remembered somebody telling me that newer *.*x Microsoft Office documents are actually a number of files in a zip. Is there a simple way to achieve this? Could I still keep the quick seek times to the raw file?

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  • Where will the file without path get created in client system

    - by The King
    I have the following code in an Winform Application String[] lines = { "LAST MESSAGE", "101" }; File.WriteAllLines("MPP_Config.txt", lines); On my Development system, the file gets created under Bin\Debug... Where will the file be created in the client once it is installed in the client system ? I deploy to a website using Click once Deployment...

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  • Inserting a WAV at a certain point in an audio file using python

    - by Onion
    My problem is the following: I have a 2-minute long WAV file, and my aim is to insert another WAV file (7 seconds long), at a certain point in the first WAV file (say, 0:48), essentially combining the two WAVs, using python. Unfortunately I haven't been able to figure out how to do that, and was wondering if there was some obvious solution that I was missing, or if it is even feasible to do with python. Is there perhaps a library available that might provide a solution? Thanks to all in advance.

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  • append text to lines in a CSV file

    - by MichaelMcCabe
    This question seems to have been asked a million times around the web, but I cannot find an answer which will work for me. Basically, I have a CSV file which has a number of columns (say two). The program goes through each row in the CSV file, taking the first column value, then asks the user for the value to be placed in the second column. This is done on a handheld running Windows 6. I am developing using C#. It seems a simple thing to do. But I cant seem to add text to a line. I cant use OleDb, as System.Data.Oledb isnt in the .Net version I am using. I could use another CSV file, and when they complete each line, it writes it to another CSV file. But the problems with that are - The file thats produced at the end needs to contain EVERY line (so what if they pull the batterys out half way). And what if they go back, to continue doing this another time, how will the program know where to start back from.

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  • How can I get the assembly last modified date?

    - by Juan Manuel Formoso
    I want to render (for internal debugging/info) the last modified date of an assembly, so I know when was a certain website deployed. Is it possible to get it though reflection? I get the version like this, I'm looking for something similar: Assembly.GetExecutingAssembly().GetName().Version.ToString(); ie: I don't want to open the physical file, get its properties, or something like that, as I'll be rendering it in the master page, and don't want that kind of overhead.

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  • Write to text file using ArrayList

    - by Ugochukwutubelum Chiemenam
    The program is basically about reading from a text file, storing the current data into an ArrayList, then writing data (from user input) into the same text file. Kindly let me know where I am going wrong in this sub-part? The data inside the text file is as follows: abc t1 1900 xyz t2 1700 The compiler is showing an error at the line output.format("%s%s%s%n", public class justTesting { private Scanner input; private Formatter output; private ArrayList<Student> tk = new ArrayList<Student>(); public static void main(String[] args) { justTesting app = new justTesting(); app.create(); app.writeToFile(); } public void create() { Text entry = new Text(); Scanner input = new Scanner(System.in); System.out.printf("%s\n", "Please enter your name, ID, and year: "); while (input.hasNext()) { try { entry.setName(input.next()); entry.setTelNumber(input.next()); entry.setDOB(input.next()); for (int i = 0; i < tk.size(); i++) { output.format("%s%s%s%n", tk.get(i).getName(), tk.get(i) .getTelNumber(), tk.get(i).getDOB()); } } catch (FormatterClosedException fce) { System.err.println("Error writing to file."); return; } catch (NoSuchElementException nsee) { System.err.println("Invalid input. Try again: "); input.nextLine(); } System.out.printf("%s\n", "Please enter your name, ID, and year: "); } } public void writeToFile() { try { output = new Formatter("testing.txt"); } catch (SecurityException se) { System.err .println("You do not have write access permission to this file."); System.exit(1); } catch (FileNotFoundException fnfe) { System.err.println("Error opening or creating file."); System.exit(1); } } }

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  • How to change file contents in PHP ?

    - by Misha Moroshko
    I save in a file some info about users (like number of times user passed the login page, last visited time, and so on). I want to read this info from the file, and update it (add 1 to the counter, and change the last visited time). My question is: can I do it without opening the file twice ? I open the first time to read the contents, and then open it again to overwrite the contents with the updated ones. Thanks !

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  • How to parse an uploaded txt file in Rails3

    - by gkaykck
    I have a form which have a file input; <%form_tag '/dboss/newsbsresult' , :remote=>true do %> <input type="file" id="examsendbutton" name="txtsbs"/><br/> <input type="submit" value="Gonder"> <%end%> Here i want the user to select a txt file which i try to parse and use at server, but i cannot catch the uploaded file with this code, def newsbsresult @u = params[:txtsbs] #Or params[:txtsbs].to_s p @u end What is the true way of achieving this?

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  • C Question: How to store data inside the executable file

    - by michael
    Hello all, complete newbie here, I need to find a way to store 250 KB of plain text numbers inside my program's executable file. Usually, I would put the data in a separate file and let the program read it while it is running, but that's not an option here. Instead, the program and the data need to be in one executable file. I have absolutely no idea how to do it (except writing 250.000 #defines :-) and I'd appreciate any suggestions. Thank you very much!

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  • HTTP Download very Big File

    - by Luca
    I'm working at a web application in Python/Twisted. I want the user to be able to download a very big file ( 100 Mb). I don't want to load all the file in memory (of the server), of course. server side I have this idea: ... request.setHeader('Content-Type', 'text/plain') fp = open(fileName, 'rb') try: r = None while r != '': r = fp.read(1024) request.write(r) finally: fp.close() request.finish() I expected this to work, but I have problems: I'm testing with FF... It seems the browser make me wait until the file is completed downloaded, and then I have the open/save dialog box. I expected the dialog box immediately, and then the progress bar in action... Maybe I have to add something in the Http header... Something like the size of the file?

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  • Checking if a file is a directory or just a file.

    - by Jookia
    I'm writing a program to check if something is a file or is a directory. Is there a better way to do it than this? #include <stdio.h> #include <sys/types.h> #include <dirent.h> #include <errno.h> int isFile(const char* name) { DIR* directory = opendir(name); if(directory != NULL) { closedir(directory); return 0; } if(errno == ENOTDIR) { return 1; } return -1; } int main(void) { const char* file = "./testFile"; const char* directory = "./"; printf("Is %s a file? %s.\n", file, ((isFile(file) == 1) ? "Yes" : "No")); printf("Is %s a directory? %s.\n", directory, ((isFile(directory) == 0) ? "Yes" : "No")); return 0; }

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  • Using C struct without including header file

    - by shams
    My basic problem is that I want to use some structs and functions defined in a header file by not including that header file in my code. The header file is generated by a tool. Since I don't have access to the header file, I can't include it in my program. Here's a simple example of my scenario: first.h #ifndef FIRST_H_GUARD #define FIRST_H_GUARD typedef struct ComplexS { float real; float imag; } Complex; Complex add(Complex a, Complex b); // Other structs and functions #endif first.c #include "first.h" Complex add(Complex a, Complex b) { Complex res; res.real = a.real + b.real; res.imag = a.imag + b.imag; return res; } my_program.c // I cannot/do not want to include the first.h header file here // but I want to use the structs and functions from the first.h #include <stdio.h> int main() { Complex a; a.real = 3; a.imag = 4; Complex b; b.real = 6; b.imag = 2; Complex c = add(a, b); printf("Result (%4.2f, %4.2f)\n", c.real, c.imag); return 0; } My intention is to build an executable for my_program and then use the linker to link up the executables. Is what I want to achieve possible in C?

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  • Tool that auto-generate a code for accesing a xml-file

    - by alex
    My application have a configuration xml-file. That file contains more than 50 program settings. At the present time I read and save each program setting separately. I guess It is not effi?iently for such tasks. I need something that can auto-generate a code for load and save my program settings using predefined xml-schema. I found a dataset in Add New Item dialog. Unfortunately, i cannot add new code to dataset1 such as events in set-accessors of properties because of this // Changes to this file may cause incorrect behavior and will be lost if // the code is regenerated. Maybe, there is a tool that allows a user to generate a wrapper for accesing a xml-file ? Such as DataSet1, but with availability to add events.

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  • Error with global variable in php not extending to included php file

    - by phileaton
    I have an html file that calls has a php section in the header like so: $page = basename($_SERVER['PHP_SELF']); Now further down in the html file I have a included footer like so: <?php include("footer.php"); ?> In this script I am referencing the $page variable, but it doesn't find it. I tried echoing the variable and nothing happened. When I place the basename() code in the footer.php file though, it handled it fine. I'd like to be efficient with the coding, so how can I get the footer.php file to get that $page variable? Is there a better way to do this than including the $page variable twice?

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  • CSV file read fail (PHP )

    - by user1020069
    I am trying to read a csv file (delimited by commas) but unfortunately, it isn't responding as it ought to. I am not so sure what I am doing wrong here, but I'll paste out the contents of the code and the CSV file both : $row = 0; if($handle = fopen("SampleQuizData.csv","r") !== FALSE) { // WORKS UNTIL HERE, SO FILE IS BEING READ while(!feof(handle)){ $line = fgetcsv($handle, 1024, ",") ; echo $line[2]; // DOES NOT WORK } } And the CSV file is (the emails and names have been changed here to protect the identities of the users) parijat,something,[email protected] matthew,durp, [email protected] steve,vai,[email protected] rajni,kanth,[email protected]

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