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• How to remove duplicate words from a plain text file using linux command

  - by cupakob

  I have a plain text file with words, which are separated by comma, for example: word1, word2, word3, word2, word4, word5, word 3, word6, word7, word3 i want to delete the duplicates and to become: word1, word2, word3, word4, word5, word6, word7 Any Ideas? I think, egrep can help me, but i'm not sure, how to use it exactly....

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• Displaying the contents (rather than saving) of an uploaded file with Django

  - by Ron

  How can I have a form with a FileField, where the uploaded file will not be saved but instead its text contents will be extracted and displayed?

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• Download file from a regular site via proxy c#

  - by Dani

  I need to be able to download some file from a regular site using my proxy server, I already try this: System.Net.WebClient client = new System.Net.WebClient(); client.Proxy = new WebProxy(ip, port); client.DownloadFile(url); but it's not works at all, I don't know what I missed,(without a proxy it works) thanks, Dani.

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• Basic concepts in file system implementation

  - by darkie15

  I am a unclear about file system implementation. Specifically (Operating Systems - Tannenbaum (Edition 3), Page 275) states "The first word of each block is used as a pointer to the next one. The rest of block is data". Can anyone please explain to me the hierarchy of the division here? Like, each disk partition contains blocks, blocks contain words, and so on...

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• convert sql-server *.mdf file into sqlite file

  - by portoalet

  Just wondering if it is possible to convert sql-server *.mdf file into sqlite file ?

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• Ask for one-liner script to insert the content of one file to another file

  - by solotim

  Say I have file A, in middle of which have a tag string "#INSERT_HERE#". I want to put the whole content of file B to that postion of file A. I have tried using pipe to concatenate those contents, but I'm wondering if there is more advanced one-line script to handle it. Thanks.

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• String replacement in batch file

  - by Faisal

  We can replace strings in a batch file using the following command set str="jump over the chair" set str=%str:chair=table% These lines work fine and change the string "jump over the chair" to "jump over the table". Now I want to replace the word "chair" in the string with some variable and I don't know how to do it. set word=table set str="jump over the chair" ?? Any ideas?

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• Most efficient way to search the last x lines of a file in python

  - by Harley

  I have a file and I don't know how big it's going to be (it could be quite large, but the size will vary greatly). I want to search the last 10 lines or so to see if any of them match a string. I need to do this as quickly and efficiently as possible and was wondering if there's anything better than: s = "foo" last_bit = fileObj.readlines()[-10:] for line in last_bit: if line == s: print "FOUND"

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• How to execute a batch file from C#?

  - by Jim C

  I didn't think this was going to be hard. I have a commmand file, d:\a.cmd which contains: copy /b d:\7zS.sfx + d:\config.txt + d:\files.7z d:\setup.exe But this line of C# wont' execute it: Process.Start("d:\\a.cmd"); Throws Win32Exception: "%1 is not a valid Win32 application." Process.Start opens .pdf files...why not execute command files? Thanks in advance, Jim

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• how to remove extension from file name?

  - by alaamh

  I want to throw the last three character from file name and get the rest? I have this code: char* remove(char* mystr) { char tmp[] = {0}; unsigned int x; for (x = 0; x < (strlen(mystr) - 3); x++) tmp[x] = mystr[x]; return tmp; }

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• Batch file command line arguments

  - by Hema Joshi

  I want to pass a command as a command line argument from one batch file to another e.g. first.bat call test.bat "echo hello world" "echo welcome " test.bat set initialcommand=%1 set maincommand=%2 %maincommand% %initialcommand%

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• Decompressing file with gzip produces file with no read-permissions on Windows 7

  - by Abiel

  I am attempting to decompress a .gz file using the GnuWin32 gzip program in Windows 7. I have full permissions on the compressed file, and my user account is an administrator. However, I end up not having read permissions on the decompressed file. To get read permissions I would have to manually change the permissions on it through right-clicking and selecting Properties Security. I am able to do this exact same thing with no permission problems in Windows XP, which leads me to believe that Windows 7's user account control system is causing problems. Does anyone know what I can do to make things work as I would expect (read permission on the decompressed file) in Windows 7? Thanks.

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• SQL query in JSP file pulling variable from VXML file

  - by s1066

  Hi I'm trying to get an SQL query to work within a JSP file. The JSP file is pulled by a VXML file here is my JSP file code: <?xml version="1.0"?> <%@ page import="java.util.*" %> <%@ page import="java.sql.*" %> <% boolean success = true; // Always optimistic String info = ""; String schoolname = request.getParameter("schoolname"); String informationtype = request.getParameter("informationtype"); try { Class.forName("org.postgresql.Driver"); String connectString = "jdbc:postgresql://localhost:5435/N0176359"; String user = "****"; String password = "*****"; Connection conn = DriverManager.getConnection(connectString, user, password); Statement st = conn.createStatement(); ResultSet rsvp = st.executeQuery("SELECT * FROM lincolnshire_school_information_new WHERE school_name=\'"+schoolname+"\'"); rsvp.next(); info = rsvp.getString(2); }catch (ClassNotFoundException e) { success = false; // something went wrong } %> As you can see I'm trying to insert the value of the variable declared as "schooname" into the end of the SQL query. However when I come to run the jsp file it doesn't work and I get an error "ResultSet not positioned properly". When I put a standard query in (without trying to make it value of the variable it works fine) Hope that makes sense, and thank you for any help!

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• How to find all the file handles by a process programmatically?

  - by kumar

  I have a process "x" which uses "system" C function to start ntpd daemon. I observed that ntpd are passed the open file descriptors of "x". ntpd holds on to the file descriptors even after original file is deleted. for ex: Some log files used by "x" are rotated out after sometime, but "ntpd" has file handle opened for these deleted files. Will it cause any problem? Alternatively I thought of setting "FD_CLOEXEC" flag for all the file descriptors before calling "system" function. But as we are running as an extension library to third process "x"( "x" loads our library based on some condition), there is no easy way to know about all the file descriptors process has opened. One way is to read /proc//fd and set "FD_CLOEXEC" for each file handle and reset it back after "system" function returns. I'm using Linux 2.16. Is there any other easy way to find all the file handlers? Thanks,

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• Reading a file N lines at a time in ruby

  - by Sam

  I have a large file (hundreds of megs) that consists of filenames, one per line. I need to loop through the list of filenames, and fork off a process for each filename. I want a maximum of 8 forked processes at a time and I don't want to read the whole filename list into RAM at once. I'm not even sure where to begin, can anyone help me out?

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• How to open a .a file

  - by Mgst

  Heya! My name is Ale, and this is the first time that I post in this website. I've a little problem: I have to open a linker file, that have ".a" extension. I use Dev-C++, I don't know if it would be useful for you :-P I hope you will answer soon! Oh, and excuse me for my bad English, tell me if I made some mistakes! Thanks!!

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• Convert the mysql table details to an Excel(.xls) or comma seperated file(csv) using python

  - by nimmyliji

  Hi, I want to convert the mysql database table contents to an Excel(.xls) or comma seperated file(csv) using python script... Is it possible? Any one can help me? Thanks in advance, Nimmy

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• How to read a file from internet?

  - by Kovu

  Hi, simple question: I have an file online (txt). How to read it and check if its there? (C#.net 2.0)

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• How to transfer a file greater than 100mb using spring

  - by Ameya

  How to transfer a file greater than 100mb using spring mvc. I have been through the post http://stackoverflow.com/questions/214888/how-to-handle-100mb-uploads-for-users, that tells to use ftp api. But want to know an alternative with spring.

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• Queuing asynchronous HTTP file uploads

  - by David Parunakian

  Is there a way to queue file uploads without resorting to Flash or Silverlight, just with cleverly used forms and JavaScript? Note that the upload should be executed asynchronously. By "queuing" uploads I mean that if the user tries to upload multiple files, they should not be transferred simultaneously, but rather one at a time, in a single HTTP connection.

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• Save a <canvas> as a file in a form

  - by Pierre

  Using Canvas method toDataURL, I would like to be able to save the image on the server side (using Rails). With toDataURL string, how to use it in a form that can be seen as a file attachment in a HTML form ?

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• Load any file type into matlab

  - by Tim

  I have a matlab GUI....I'd like to load ANY file type(doc,txt,dat,xls) into matlab as a matrix through the GUI...I'd appreciate any help I can get!!

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• how to read a static file in .py file using django ..

  - by zjm1126

  this is my error code: text = open('/media/a.txt', 'rb').read() and my perplexed is: when i use this : text = open('a.txt', 'rb').read() it can be running but when i put the 'a.txt' to the 'media' folder, i can't running , why ? thanks IOError at / [Errno 13] file not accessible: '/media/a.txt'

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• Want to create an open file with filter in eclipse3.4

  - by Ravisha

  I am using eclipse 3.4.I often keep searching for files in my project.I wanted to create a file search with filter.Like i should be able to configure the filter in preferences.later when i press ctrl+shift+ F (Assuming this is what i give the shortcut) it should display only those files. Why i came up with this is bcos i might want to avoid java files while searching.So life becomes little easier.

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• Function fgetcsv won't parse file without blank line at end of file

  - by Patrick

  I'm working on a script to run through a CSV file (see previous post). I ran into a weird thing, where if my actual CSV file itself has a blank line at the end of it, it will open and parse just fine, but if it doesn't, if the end of the file ends at the end of the last line, it just shows up blank.

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