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• Is O_NONBLOCK being set a property of the file descriptor or underlying file?

  - by Daniel Trebbien

  From what I have been reading on The Open Group website on fcntl, open, read, and write, I get the impression that whether O_NONBLOCK is set on a file descriptor, and hence whether non-blocking I/O is used with the descriptor, should be a property of that file descriptor rather than the underlying file. Being a property of the file descriptor…

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• Is there a way to associate an individual file with a specific application

  - by Graham Smith

  I mean a specific file not a file extension

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• File system query

  - by Balaji

  Is there an easy way to query data in file system? We are storing data in File system (instead of database) Is there a way to query the content of the file system? The data in the file system is stored in xml format. since the data is growing day by day we are finding it difficult to query the content of the files in the file system. Can…

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• including php file from another server with php

  - by ermac2014

  hi I have 2 php files each file on different server. lets say the first file called includeThis.php and the second called main.php the first file is located in (http://)www.sample.com/includeThis.php and the second located in (http://)www.mysite.com/main.php so now what I want is to include the first file into my second file. the…

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• How to work with file and streams in php,case: if we open file in Class A and pass open stream to Cl

  - by Rachel

  I have two class, one is Business Logic Class{BLO} and the other one is Data Access Class{DAO} and I have dependency in my BLO class to my Dao class. Basically am opening a csv file to write into it in my BLO class using inside its constructor as I am creating an object of BLO and passing in file from command prompt: Code: …

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• Saving file to phone in stead of SD-card

  - by Galip

  Hi guys, In my app I save an XML file to the users SD-card by doing File newxmlfile = new File(Environment.getExternalStorageDirectory() + "/Message.xml"); But not all users have SD-cards in their phone and therefore my app is likely to crash. How must I change my File creating method in order to save the file to the…

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• database vs flat file, which is a faster structure for "regex" matching with many simultaneous reque

  - by Jamex

  Hi, which structure returns faster result and/or less taxing on the host server, flat file or database (mysql)? Assume many users (100 users) are simultaneously query the file/db. Searches involve pattern matching against a static file/db. File has 50,000 unique lines (same data type). There could be many matches.…

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• database vs flat file, which is a faster structure for regex matching with many simultaneous request

  - by Jamex

  Hi, which structure returns faster result and/or less taxing on the host server, flat file or database (mysql)? Assume many users (100 users) are simultaneously query the file/db. Searches involve pattern matching using regex against a static file/db. File has 50,000 unique lines (same data type). There could be…

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• Intercept windows open file

  - by HyLian

  Hello, I'm trying to make a small program that could intercept the open process of a file. The purpose is when an user double-click on a file in a given folder, windows would inform to the software, then it process that petition and return windows the data of the file. Maybe there would be another solution…

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• DatabaseName.bak File Transfer Problem

  - by Jordon

  I have downloaded databasename.bak file from my hosting company, when i tried to restore that DB file in SQL server 2008 it is keep on giving me following error. The media family on device 'C:\go4sharepoint_1384_8481.bak' is incorrectly formed. SQL Server cannot process this media family. RESTORE HEADERONLY…

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• show differences between file and file in (compressed) tar archive

  - by Kyss Tao

  Say I have unpacked a gz-compressed tar file, and do not remember what changes I made to the unpacked files, or I archived a folder a while ago and want to know what has changed to the files since. I can use tar -zd to get an overview. Then, say it shows me file foo has changed. How can I see the changes in…

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• cat contents of one file into another file

  - by Attila O.

  I have a large (binary) file that has some corruption near the beginning. Then, I have a second, smaller file that I obtain by starting to download the same file again, but interrupt after I have enough bytes to fix the original one. My question is, how do I simply overwrite the beginning of the large file…

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• Read random lines from huge CSV file in Python

  - by jbssm

  I have this quite big CSV file (15 Gb) and I need to read about 1 million random lines from it. As far as I can see - and implement - the CSV utility in Python only allows to iterate sequentially in the file. It's very memory consuming to read the all file into memory to use some random choosing and it's…

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• ": > file" VS "> file"

  - by Vladimir Bezugliy

  Is there any differences between ": file" and " file"? > : > file.out >ls -l file.out -rw-rw---- 1 user user 0 Mar 18 21:08 file.out > > file.out >ls -l file.out -rw-rw---- 1 user user 0 Mar 18 21:08 file.out

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• Slow WLAN file transfer between server and tablet

  - by user266985

  My file server is running Ubuntu 12.04 and I'm sharing files from it over samba. It is connected via gigabit ethernet. My desktop, running Windows 8.1, is also connected via gigabit ethernet. I can transfer files between the two and completely saturate that gigabit pipe. However, I just got a Surface Pro…

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• Finding most recently edited file in python

  - by zztpp5521

  I have a set of folders, and I want to be able to run a function that will find the most recently edited file and tell me the name of the file and the folder it is in. Folder layout: root Folder A File A File B Folder B File C File D etc... Any tips to get me…

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• How do I use File.new to find a file from Rails?

  - by Angela

  I am trying to read a file that has been saved on the /system folder using Paperclip, for example. But when I use that .url method from Paperclip to read that file using File.new, I get that the file isn't found. The directory is correct, but I still can't access it. What is the right way to find a…

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• File.Exists() returns false, but not in debug

  - by Tor Haugen

  I'm being completely confused here folks, My code throws an exception because File.Exists() returns false public override sealed TCargo ReadFile(string fileName) { if (!File.Exists(fileName)) { throw new ArgumentException("Provided file name does not exist", "fileName"); } …

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• (C++) Loading a file into a vector

  - by Alden

  This is probably a simple question, however I am new to C++ and I cannot figure this out. I am trying to load a binary file and load each byte to a vector. This works fine with a small file, but when I try to read larger than 410 bytes the program crashes and says: This application has…

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• Pass Variables In Inheritance (Obj - C)

  - by Marmik Shah

  I working on a project in Obj-C where i have a base class (ViewController) and a Derived Class (MultiPlayer). Now i have declared certain variables and properties in the base class. My properties are getting accessed from the derived class but im not able to access the variables (int,char…

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• System.IO.File.ReadAllText(path) does not read the html file.

  - by Harikrishna

  I want to read the html file.And for that I use System.IO.File.ReadAllText(path).It can read all the html file but there is one file which is not read through this function. I have also used using (StreamReader reader = File.OpenText(fileName)) { text = reader.ReadToEnd(); But…

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• "File" exists or not

  - by SnailTang

  ls -il ls: cannot access éaj/p+st.ó·e: No such file or directory ls: cannot access éaj/p+st.ó·e: No such file or directory ls: cannot access é@j/p¦ft.¦·N: No such file or directory ls: cannot access é@j/p¦ft.¦·N: No such file or directory total 55456 ? -????????? ? ? ? …

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• file association in Windows 8

  - by Robith Nuriel Haq

  Associating a file to a program should be easy in Windows. However, i find it rather difficult when I'm working on Windows 8. associating a file to a desktop application that I install on my computer is easy because the whole operation is entirely the same with that in the previous…

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• Is this a File Header / Magic Number?

  - by Hammer Bro.

  I've got 120,000 files (way more, actually; this is just an arbitrary subset) of an unknown type. Linux file does not identify them (not that they're necessarily Linux files), nor do any other methods I've tried. There are only two hints about them that I currently have. One is…

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• Anonymous file sharing without login window, from Windows 7 server to XP clients

  - by Niten

  I'm trying to provide machines on a small LAN with read-only, anonymous access to files shared from a Windows 7 workstation (let's call it WIN7SVR). In particular, I don't want clients to have to deal with a login window when they navigate to, e.g., \\WIN7SVR in Windows…

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