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• Recover open but deleted file on Linux using ln instead of cp

  - by Yang

  Say I have a file that's downloading (from a source that's hard to re-download from), but accidentally deleted from the filesystem namespace (/tmp/blah), and I'd like to recover this file. Normally I could just cp /proc/$PID/fd/$FD /tmp/blah, but in this case that would only get me a partial snapshot, since the file is still downloading. Furthermore, once the download completes, the downloading process (e.g. Chrome) will close the FD. Any way to recover by inode/create a hard link? Any other solutions? If it makes any difference, I'm mainly concerned with ext4. Thanks in advance.

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• Code reading: where can i read great, modern, and well-documented C++ code?

  - by baol

  Reading code is one of the best ways to learn new idioms, tricks, and techniques. Sadly it's very common to find badly written C++ code. Some use C++ as it was C, others as if it was Java, some just shoot in their feet. I believe gtkmm is a good example of C++ design, but a binding could not be the better code to read (you need to know the C library behind that). Boost libraries (at least the one I read) tend to be less readable than I'd like. Can you mention open source projects (or other projects which source is freely readable) that are good example of readable, modern, well-documented, and auto-contained, C++ code to learn from? (I believe that one project per answer will be better, and I'd include the motivation that led you to selecting that one.)

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• Outpost Firewall asks every time one specific application tries to access to network

  - by sergdev

  One of installed applications on my PC tries to send UDP packed. Outpost warns me about this. I say that Outpost should allow all activity for this application. But next time application wants to send UDP packed Outpost asks me again and again the same question. There is no problems with other applications but with this only. Is it possible to resolve such behavior or is it known bug? Thanks! I have installed Outpost Firewall Pro 2009 Version 6.5.3 (2518.381.0686)

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• Perl open file problem

  - by alexBrand

  I am having some trouble trying to print from a file. Any ideas? Thanks open(STDOUT,">/home/int420_101a05/shttpd/htdocs/receipt.html"); print "alex"; close(STDOUT); open(INF,"/home/int420_101a05/shttpd/htdocs/receipt.html"); $emailBody = <INF>; close(INF); print $emailBody; ERRORS: Filehandle STDOUT reopened as INF only for input at ./test.c line 6. print() on closed filehandle STDOUT at ./test.c line 9.

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• Excel 2010 Access to path is denied temp

  - by Chris Anderson

  I am using excel data reader to read data from an excel file. FileStream stream = File.Open(filePath, FileMode.Open, FileAccess.Read); //1. Reading from a binary Excel file ('97-2003 format; *.xls) IExcelDataReader excelReader = ExcelReaderFactory.CreateBinaryReader(stream); //2. Reading from a OpenXml Excel file (2007 format; *.xlsx) IExcelDataReader excelReader = ExcelReaderFactory.CreateOpenXmlReader(stream); http://exceldatareader.codeplex.com/ This reads excel 1997-2003 format and excel 2007 format on my local machine and when we move it to our test server. However, when moved to production, it works for excel 97-2003 files, but when I try to read 2007 files I receive the following error: Access to the path 'C:\Documents and Settings\PORTALS03\ASPNET\LOCALS~1\Temp\TMP_Z129388041687919815' is denied. How is it possible that the 97-2003 excel file can be read but the 2007 files throw access is denied?

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• Which PHP open source CRM should I use?

  - by Bencze Racz

  What PHP based open source CRM is best to use for a small scale company?

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• Umbraco -- controlling access to media by membership

  - by Ryan

  I need to set up access to media files with the following structure: A media folder is designated as belonging to a specific member group. Then, a sub-folder below that needs to be available to a subset of members from the parent's member group. Any thoughts on how this can best be accomplished? I'll render the actual file download links with a user control, but how should I set up this access control on the back end? I need a member-group picker and a multiple member picker. Do these exist anywhere?

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• AFP / Apple Filling Protocol aka Netatalk access over Internet

  - by PJJ

  I got a simple cloud server and thought it would be nice to have mac native afp Volumes accesss. Installed Netatalk and this seems to work pretty nice. No sensitive data or something but I don't like to wake up someday and have my www docs rm-rfed by some kid h4x0r. Q1: Is afp encrypted? Q2: How can I make it (semi)secure? Q3: Does VPN makes sense for this? Q4: What would you do to get afp working over net? Opening any service meant for Lan only is a basic flaw, i know - but me be ignorant about it. According to Apple Dev only the authentication is encrypted or am I mssing something?

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• Rationale behind introducing protected access specifier

  - by viswanathan

  What was the rationale behind introducing protected access specifier in C++. An example would be helpful.

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• Looking for collaboration tool/platform to synergize with my clients in all phases.

  - by Kabeer

  Hello. I am a consultant and will be working with geographically distant clients. I am looking for a solution to collaborate with my clients effectively in all the phases of the projects (architecture, requirements, design, construction, testing, deployment, maintenance). My hunt is for something in the open source (and preferably free) space and also on .Net platform. I need to record my communication with the clients and with growing no. of clients I should not miss out capturing any information. Please recommend.

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• Network access lags for Win7 when server network utilization is high

  - by Jeff Miles

  We have a Dell PE2950 file server running Windows 2008, hosting a DFS namespace of ~1.2 TB. This server has two Broadcom 1Gbps NICs teamed together. When there is high traffic going to the server across the network (greater than 200 Mbps), any Windows 7 client accessing a DFS share at the time experiences severe performance problems. For example: Computer A has an AutoCAD drawing opened directly from the DFS share. Performance is normal, not causing any issues. Computer B begins a file transfer, putting a 11GB file onto a different DFS namespace, on the same server Computer A immediately notices lag while using AutoCAD. The cursor momentarily freezes within AutoCAD every 10 seconds or so, and any browsing of the DFS share is extremely slow. Computer B completes file transfer, and performance resumes to normal for Computer A. This is only affecting Windows 7 clients, using a variety of hardware (desktop + laptop). All of our Windows XP clients see no performance impact during the file transfer. Things I have tried with no change: Had Computer A work from an entirely different RAID array from the file transfer destination Updated NIC drivers on clients and server Enabled TCP offload and receive side scaling on the server NIC (previously disabled when the issue began) Antivirus disabled during file transfer I am currently having a user test applications other than AutoCAD when the file transfer occurs, and will update the question with that result. Does anyone have any recommendations for resolution or additional troubleshooting steps?

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• Exceptions and Access Violations in Paint events in Windows

  - by Patrick

  After executing some new code, my C++ application started to behave strange (incorrect or incomplete screen updates, sometimes no screen updates at all). After a while we found out that the new code is causing an Access Violation. Strange enough, the application simply keeps on running (but with the incorrect screen updates). At first we thought the problem was caused by a "try-catch(...)" construction (put there by an overactive ex-colleague), but several hours later (carefully inspecting the call stacks, adding many breakpoints, ...) we found out that if there's an Access Violation in a paint event, Windows catches it, and simply continues running the application. Is this normal behavior? Is it normal that Windows catches exceptions/errors during a paint event? Is there a way to disable this? (if not, it would mean that we have to always run in the debugger with all exceptions enabled while testing our code). Patrick

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• Are there any open source reseller packages?

  - by Tom Wright

  My department has just been given the right/responsibility to manage our own VPS. The idea being that the bureaucracy will be less for the many small web projects we run. Since each project will be managed by a different team, I was planning on approaching a shared hosting model. Are there any free pieces of software that would help automate the provision of resources each time a team request a new project? Most of the projects have identical requirements - basically LAMP - so it would be these resources that I would want provisioning (and de-provisioning, if that is a word) automatically. Ideally, there would also be a way to hook it into our LDAP authentication backend too, though I could probably make this sort of modification if necessary. Since we won't be charging our "client" however, we won't need the ability to generate invoices, handle payments, etc. etc. EDIT: Sample workflow Login authenticated against LDAP Username checked against admin group (not on central LDAP) Click 'new project' and enter project name User created on VPS with project name as username Apache virtual host created and subdomain (using project name) allocated FTP & MySQL users created

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• Easy way to access cookies in Chrome

  - by macek

  To view specific cookies in Chrome, currently I have to: Go to preferences Click Under the Hood tab Click Content Settings... button Click Cookies tab (if it's not already active) Click Show cookies and other site data... button If I want to narrow this down to a specific domain, I have to type it in, too. Compare this to Firefox: View Page Info Click Security tab Click View Cookies The domain for the page I'm currently on is already used as a filter, too. My question: Is there an easier way in Chrome? I've done some searching for an extension but have come up with nothing.

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• Cannot create Hyper-V Virtual Machine - General Access Denied 0x80070005

  - by Vazgen

  I have the standalone Hyper-V Server 2012 running and I'm trying to create the first VM on it but I'm getting the following error: From my research, this error comes up with something related to the Intel IPMI driver but I have an Asus motherboard so I didn't think it was the problem. However, I ran the ResetAccess.exe fix anyways and to no surprise it said something like "This version of Windows does not require this fix". Thank you

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• Access Denied Java FileWriter / FileInputStream

  - by Matt

  My program downloads a websites source code, modifies it, creates the file, and then reuploads it through the FTP. However, I receive the following error when trying to open the created file: java.io.FileNotFoundException: misc.html (Access is denied) at java.io.FileInputStream.open(Native Method) at java.io.FileInputStream.<init>(Unknown Source) at Manipulator.uploadSource(Manipulator.java:63) at Start.addPicture(Start.java:130) at Start$2.actionPerformed(Start.java:83) at javax.swing.AbstractButton.fireActionPerformed(Unknown Source) at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source) at javax.swing.DefaultButtonModel.setPressed(Unknown Source) at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source) at java.awt.Component.processMouseEvent(Unknown Source) at javax.swing.JComponent.processMouseEvent(Unknown Source) at java.awt.Component.processEvent(Unknown Source) at java.awt.Container.processEvent(Unknown Source) at java.awt.Component.dispatchEventImpl(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source) at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source) at java.awt.Container.dispatchEventImpl(Unknown Source) at java.awt.Window.dispatchEventImpl(Unknown Source) at java.awt.Component.dispatchEvent(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source) When I navigate to the folder directory and attempt to open "misc.html" with Notepad I receive Access is Denied. My code is fairly simple: File f = new File(page.sourceFileName); try { FileWriter out = new FileWriter(f); out.write(page.source); out.close(); } catch (IOException e) { e.printStackTrace(); } InputStream input = new FileInputStream(f); This is the vital excerpt from my program. I have copied this into a different test program and it works fine, I create a misc.html file and reopen it with both FileInputStream and manually. I would be worried about Administrator rights but the Test program works fine when I run it RIGHT after the problem program. I also have checked if the file exists and is a file with File methods and it is as well. Is this a result of me not closing a previous Input/Output properly? I've tried to check everything and I am fairly positive I close all streams as soon as they finish... Help! :)

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• Cant access websites [closed]

  - by LiveEn

  Recently i have some problems accessing websites. When i try to access it says This webpage is not available. I tried accessing the site through FireFox, Internet Explorer and Chrome. I also tried with using a web proxy but still the same problem. This problem is only in my Desktop PC, all the websites works fine in my laptop Currently i cant access, yahoo.com download.com bing.com proxy.org daniweb.com aol.com and many forums I check with the host file but nothing is blocked in that. Can some one please suggest what is wrong?? Thanks

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• Easy way to access cookies in Chrome

  - by macek

  To view specific cookies in Chrome, currently I have to: Go to preferences Click Under the Hood tab Click Content Settings... button Click Cookies tab (if it's not already active) Click Show cookies and other site data... button If I want to narrow this down to a specific domain, I have to type it in, too. Compare this to Firefox: View Page Info Click Security tab Click View Cookies The domain for the page I'm currently on is already used as a filter, too. My question: Is there an easier way in Chrome? I've done some searching for an extension but have come up with nothing. Any help is appreciated :)

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• I can't Open my excel file in c#

  - by Ruben Guico

  Hi, Below is my code, i tried to open my excel file in my c# application but the program give's me an error message "Cannot Access "my excel.xls". But when I specify the file path in my string path variable it works, the problem is I need to get the file path from an openFileDialog. using System; using System.IO; using System.Collections.Generic; using System.Text; using System.Data; using System.Windows.Forms; using System.Data.OleDb; using System.Reflection; using MOIE = Microsoft.Office.Interop.Excel; using OFFICE = Microsoft.Office.Core; namespace EmpUploader { public class ExcelCon { private OleDbDataReader reader = null; private OleDbCommand excelCommand = new OleDbCommand(); private OleDbDataAdapter adapter = new OleDbDataAdapter(); private DataTable excelData = new DataTable(); private MOIE.ApplicationClass objExcel = new MOIE.ApplicationClass(); private MOIE.Workbook wb = null; private string myConn = ""; private string strSQL = ""; private string err = ""; private string path2 = ""; private int sheetCount = 0; private OleDbConnection Con = new OleDbConnection(""); #region "excel interop prarameters" private static object xl_missing = Type.Missing; private static object xl_true = true; private static object xl_false = false; private object xl_update_links = xl_missing; private object xl_read_only = xl_missing; private object xl_format = xl_missing; private object xl_password = xl_missing; private object xl_write_res_password = xl_missing; private object xl_ignore_read_only = xl_missing; private object xl_origin = xl_missing; private object xl_delimiter = xl_missing; private object xl_editable = xl_missing; private object xl_notify = xl_missing; private object xl_converter = xl_missing; private object xl_add_to_mru = xl_missing; private object xl_local = xl_missing; private object xl_corrupt_load = xl_missing; #endregion } //MY CODE FOR OPENING THE EXCEL //note that my file path came from an openfiledialog public void InitializeConnection(string path) { //connection string for excel myConn = @"Provider=Microsoft.Jet.OLEDB.4.0; Data Source=" + path + "; Extended Properties =Excel 8.0"; Con.ConnectionString = myConn; Con.Open(); //this is the sample specified path that worked when i test my application //path = @"C:\shinetsu p5 emp list.xls"; objExcel.Visible = false; wb = objExcel.Workbooks.Open(path, xl_update_links, xl_read_only, xl_format, xl_password, xl_write_res_password, xl_ignore_read_only, xl_origin, xl_delimiter, xl_editable, xl_notify, xl_converter, xl_add_to_mru, xl_local, xl_corrupt_load); sheetCount = wb.Worksheets.Count; } }

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• In Lisp, Avoid "Cannot open load file" when using require

  - by Jesse

  I am working on a custom .emacs file that I will be able to use on several different computers. I would like to be able to load a mode if it exists on the system. If it does not exist I would like Emacs to stop showing the error: File error: Cannot open load file, X. For example: (require 'darkroom-mode) Results in: File error: Cannot open load file, darkroom-mode I am using file-exists-p to test if certain other files exist but for this test I would assume I need to search my load-path. I am new to Lisp so this is stumping me.

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• Google app engine or Amazin ec2 for Restful services and direct access to datastore

  - by imran

  I'm thinking of building a Restful app on either App engine or ec2 devloped in Java. I'm interested in opinions/experience of using the two options for this. The primary purpose is to create web services to write and retrieve data through a mobile device...basically creating an API for the service I want to create. It seems to me it would be quicker and cheaper in the beginning to go with google app engine using either restlet or grails.But I also think that I could run into problems in the future when I want to so somthing more advanced and might be restricted by app engines environment. I also want to be able to do data analysis on the data in the datastore as well. It seems that with app engine this would be hard as I don't have direct access to the datastore ( in Amazon I could still have access to the underlying db if I go with MySQL ) .

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• Deny users in a certain group access to dovecot

  - by celil

  I installed the dovecot-imapd package in Ubuntu, and my setup is as follows: $ sudo dovecot -n # 1.2.9: /etc/dovecot/dovecot.conf # OS: Linux 2.6.32-27-generic-pae i686 Ubuntu 10.04.1 LTS log_timestamp: %Y-%m-%d %H:%M:%S protocols: imaps login_dir: /var/run/dovecot/login login_executable: /usr/lib/dovecot/imap-login mail_privileged_group: mail mail_location: maildir:~/Maildir mbox_write_locks: fcntl dotlock auth default: passdb: driver: pam userdb: driver: passwd For security reasons I would like to deny all users that are in the admin group ability to do imap login via dovecot. This is done in order to prevent a brute force attacker from discovering the admin passwords, and obtaining administrator privileges on the system. How can this be achieved? Presumably, I will have to modify some settings in /etc/dovecot/dovecot.conf, but I am hesitant to change the default settings lest I create other security vulnerabilities.

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• apache php access rights configuration

  - by AndreasT

  Hi, I am a complete apache and co newb. Currently it serves only the default page. On the default page, the user can not list the directory or files. When I create a directory, say /var/www/foobar and place files in it, the user can by doing: www.mydomain.org/foobar see the contents of the directory. I run pretty much the default configuration. on Directory "/", I have FollowSymlinks and AllowOverride(none) on what DocumentRoot points to I have Indexes FollowSymlinks MultiViews and "allow from all" set. My questions are: Can I stop people from listing subdirectories? Can people, if I do not change the configuration, in some way read the php files in there? (I mean not the rendered page, I mean the .php page source.) Pointers to good resources about this would also be nice. Thx in Advance.

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• popup of are you sure you want to open it when certain scripts are ran

  - by michael

  im on a mac using mamp/mamp pro. when i open apc scripts i keep getting this warning “apc-6.php” is a script application downloaded from the Internet. Are you sure you want to open it? ive downloaded and setup one of these scripts to test if apc works for me http://pecl.php.net/package/APC and when i click around a message box with the above text is shown. what causes this and how can i stop it? its annoying. thanks

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• Access to File being restricted after Ubuntu crashed

  - by Tim

  My Ubuntu 8.10 crashed due to the overheating problem of the CPU when I am opening some directory and intend to do some file transfer under Nautilus. After reboot, under gnome, all the files cannot be removed, their properties cannot be viewed and they can only be opened, although all are still fine under terminal. I was wondering why is that and how can I fix it? Thanks and regards UPdate $ cat /etc/mtab /dev/sda7 / ext3 rw,relatime,errors=remount-ro 0 0 tmpfs /lib/init/rw tmpfs rw,nosuid,mode=0755 0 0 /proc /proc proc rw,noexec,nosuid,nodev 0 0 sysfs /sys sysfs rw,noexec,nosuid,nodev 0 0 varrun /var/run tmpfs rw,nosuid,mode=0755 0 0 varlock /var/lock tmpfs rw,noexec,nosuid,nodev,mode=1777 0 0 udev /dev tmpfs rw,mode=0755 0 0 tmpfs /dev/shm tmpfs rw,nosuid,nodev 0 0 devpts /dev/pts devpts rw,noexec,nosuid,gid=5,mode=620 0 0 fusectl /sys/fs/fuse/connections fusectl rw 0 0 lrm /lib/modules/2.6.27-15-generic/volatile tmpfs rw,mode=755 0 0 /dev/sda8 /home ext3 rw,relatime 0 0 /dev/sda2 /windows-c vfat rw,utf8,umask=007,gid=46 0 0 /dev/sda5 /windows-d fuseblk rw,allow_other,blksize=4096 0 0 securityfs /sys/kernel/security securityfs rw 0 0 binfmt_misc /proc/sys/fs/binfmt_misc binfmt_misc rw,noexec,nosuid,nodev 0 0 gvfs-fuse-daemon /home/tim/.gvfs fuse.gvfs-fuse-daemon rw,nosuid,nodev,user=tim 0 0

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