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• Why does Chromium run so slow in portable mode?

  - by NoCatharsis

  I am using Chromium on a flash drive through LiberKey and it does everything I want it to do as far as syncing my Chrome bookmarks from home, etc. But it's soooooo slow. If I open more than 1 tab, or if a tab is heavy with code such as Gmail or GMaps, then the entire program hangs for about 5-10 seconds. I don't exactly know how portable apps work when run from a flash drive, so is there a way to speed up load times?

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• PayPal IPN & ASP.NET MVC

  - by Wayne

  Hello - I have a strange problem that somebody can hopefully help me with. For a while now I have been using PayPal's IPN service for our website. In order to test it I have a port opened up on our firewall pointing to my machine. This has been working great with no problems at all. I recently upgraded to the RTM release of ASP.NET MVC and now things are not working. I can navigate to my IPN handler from the outside world so I know it's not my connection or a firewall issue. It simply refuses to recieve any PayPal IPN messages. I am puzzled why the page can be accessed yet the PayPal IPN server wont connect to it. I realize there could be a 1000 different reasons for this, but I am hoping somebody out there can point me in the right direction!

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• Using gmail as SMTP server in Java web app is slow

  - by Annie

  Hi, I was wondering if anyone might be able to explain to me why it's taking nearly 30 seconds each time my Java web app sends an email using Gmail's SMTP server? See the following timestamps: 13/04/2010-22:24:27:281 DEBUG test.service.impl.SynchronousEmailService - Before sending mail. 13/04/2010-22:24:52:625 DEBUG test.service.impl.SynchronousEmailService - After sending mail. I'm using spring's JavaMailSender class with the following settings: email.host=smtp.gmail.com [email protected] email.password=mypassword email.port=465 mail.smtp.auth.required=true Note that the mail is getting sent and I'm receiving it fine, there's just this delay which is resulting in a slow experience for the application user. If you know how I can diagnose the problem myself that would be good too :)

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• converting NSTimer running not on main runloop to GCD

  - by Justin Galzic

  I have a task that runs periodically and it was originally designed to run on a separate run loop than the main runloop using NSThread and NSTimer. What's the best way to adapt this to take advantage of GCD? Current code: -(void)initiateSomeTask { [NSThread detachNewThreadSelector:@selector(startTimerTask) toTarget:self withObject:nil]; } -(void)startTimerTask { // We won't get back the main runloop since we're on a new thread NSRunLoop *myRunLoop = [NSRunLoop currentRunLoop]; NSPort *myPort = [NSMachPort port]; [myRunLoop addPort:myPort forMode:NSDefaultRunLoopMode]; NSTimer *myTimer = [NSTimer timerWithTimeInterval:10 /* seconds */ target:self selector:@selector(doMyTaskMethod) userInfo:nil repeats:YES]; [myRunLoop addTimer:myTimer forMode:NSRunLoopCommonModes]; [myRunLoop run]; } Is there anything I can do besides replace detachNewThreadSelector with dispatch_async?

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• Linux and I/O completion ports?

  - by someguy

  Using winsock, you can configure sockets or seperate I/O operations to "overlap". This means that calls to perform I/O are returned immediately, while the actual operations are completed asynchronously by separate worker threads. Winsock also provides "completion ports". From what I understand, a completion port acts as a multiplexer of handles (sockets). A handle can be demultiplexed if it isn't in the middle of an I/O operation, i.e. if all its I/O operations are completed. So, on to my question... does linux support completion ports or even asynchronous I/O for sockets?

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• Adobe was hanging up upon opening a file - change of default computer fixed it. Why?

  - by Jessie

  Our designer's copy of Adobe Photoshop suddenly started hanging up when she would try to open a file. After some research I found a forum in which it was suggested to change the default printer - that this had fixed it for other users with the same problem. It worked. My question is, WHY did it work?

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• reassembling http packets with perl and parsing it

  - by johnny2

  I am using net::pcap module to capture packets with this filter: dst $my_host and dst port 80 inside the net::pcap::loop i use the below callback function: net::pcap::loop($pcap_t,-1,\my_callback,'') where my_callback look like this : my_callback { my ($user_data, $header, $packet) = @_; # Strip ethernet IP and TCP my $ether_data = NetPacket::Ethernet::strip($packet); my $ip = NetPacket::IP->decode($ether_data); my $tcp = NetPacket::TCP->decode($ip->{'data'}); } could someone help me how can i assemble the http packets to one packet and extract its header .

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• gem install cannot find a header file

  - by Milktrader

  Following along the github README for talib_ruby: sudo port install ta-lib Complete. Next is where the trouble begins. sudo env ARCHFLAGS="-arch PLATFORM" gem install talib_ruby -- --with-talib-include=ABSOLUTE_PATH_TO_TALIB_HEADERS --with-talib-lib=ABSOLUTE_PATH_TO_TALIB_LIBS This install fails I believe because apparently it cannot find the ta_abstract.h file talib.c:2:25: error: ta_abstract.h: No such file or directory . . . many more errors I have included in my .bash_profile file the following: export ABSOLUTE_PATH_TO_TALIB_HEADERS=/opt/local/var/macports/software/ta-lib/0.4.0_0/opt/local/include/ta-lib export ABSOLUTE_PATH_TO_TALIB_LIBS=/opt/local/var/macports/software/ta-lib/0.4.0_0/opt/local/lib And indeed the ta_abstract.h file is located where I'm saying in the ABSOLUTE_PATH variable assignment. What gives?

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• How do I :split a window if the window already has been :vsplit?

  - by Evan Carroll

  Let's say you open two files through a vertical split.. vim -O 1 2 Now how would I split this window horizontally across both of the vertical windows? So this is what a :vsplit looks like: ----------------- | | | | | | | | | | | | | | | | | | ----------------- I want the end result to look like ----------------- | | | | | | | | | ----------------- | | | | | | -----------------

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• Opening a file in Geany in Ubuntu from FreeBSD server terminal connection?

  - by Rukaks

  Hi, This probably sounds ridiculous - but Im using Geany on Ubuntu 9.04. I noticed that it has a neat little terminal window at the bottom. Would it be possible/and if so how would I set up if I could SSH onto a FreeBSD server via that terminal then open a file on the server in Geany? Thanks.

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• Do these 3 crashes have something in common?

  - by David U

  I'm running OS X 10.6.8 on a Mac Mini. I tried to install 3 applications today and all 3 installations failed. I am wondering if the failures have something in common. First I installed GraphViz. The installation succeeded, but when I try to open any .dot file, I get a dialog that says GraphViz has quit unexpectedly. Next I installed Doxygen. It installed, but when I try to launch it I get a dialog that tells me Doxywizard quit unexpectedly. After some googling I thought perhaps my system lacked QT, and that was the problem. I downloaded the Qt 4.8.4 packages and installed them. But when I try to launch qtdemo.app, or any of the other apps that came with the qt installation, I get a dialog that says I can't open the app because it's not supported on this type of Mac. I have crash logs from GraphViz and Doxygen. They're long and I think it unnecessary to post them unless they would help someone determine my problem. Thanks Excerpt from System Log, added later: 12/13/12 5:26:21 PM [0x0-0x4f04f].com.apple.DiskImageMounter[1322] 2012-12-13 17:26:21.927 DiskImages UI Agent[1333:903] *** -[NSMachPort handlePortMessage:]: dropping incoming DO message because the connection or ports are invalid 12/13/12 5:30:31 PM [0x0-0x1a01a].org.mozilla.firefox[824] [ConvConfHandler] isPreferred contentType: application/x-apple-diskimage 12/13/12 5:35:32 PM DiskImages UI Agent[1384] *** -[NSMachPort handlePortMessage:]: dropping incoming DO message because the connection or ports are invalid 12/13/12 5:35:32 PM [0x0-0x5a05a].com.apple.DiskImageMounter[1376] 2012-12-13 17:35:32.988 DiskImages UI Agent[1384:903] *** -[NSMachPort handlePortMessage:]: dropping incoming DO message because the connection or ports are invalid 12/13/12 6:07:33 PM DisplayLinkUserAgent[772] (00116500.405)-[DLDistributedNotificationCenter stream:handleEvent:] reconnected. 12/13/12 6:07:33 PM [0x0-0x6c06c].backupd-helper[1446] Not starting Time Machine backup after wake - less than 60 minutes since last backup completed. 12/13/12 6:08:43 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/BrotherPPD.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/NeoOffice-2.2.3-Intel.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/NeoOffice-2.2.3-Patch-2-Intel.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/NeoOffice-2.2.5-Intel.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/NeoOffice.pkg 12/13/12 6:08:48 PM Installer[1403] PackageKit: *** Missing bundle identifier: /Library/Receipts/PIXMA iP6000D 290.pkg 12/13/12 6:14:39 PM com.apple.launchd.peruser.501[359] ([0x0-0x70070].com.att.graphviz[2047]) Job appears to have crashed: Bus error 12/13/12 6:14:41 PM ReportCrash[2056] Saved crash report for Graphviz[2047] version 2.28 (2.28.0) to /Users/duzzell/Library/Logs/DiagnosticReports/Graphviz_2012-12-13-181441_Amun.crash 12/13/12 6:15:19 PM com.apple.launchd.peruser.501[359] ([0x0-0x74074].org.doxygen[2070]) Job appears to have crashed: Bus error 12/13/12 6:15:19 PM ReportCrash[2056] Saved crash report for Doxywizard[2070] version 1.8.2 (???) to /Users/duzzell/Library/Logs/DiagnosticReports/Doxywizard_2012-12-13-181519_Amun.crash

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• C# Proxy, what is the best way to do this?

  - by Kin

  I'm writing a proxy using .NET and C#. It has a couple of functions that it needs to fulfill. I haven't done much Socket programming, and I am not sure the best way to go about it. Should I use Synchronous Sockets, Asynchronous sockets? Please help! It must... Accept Connections from the client on two different ports, and be able to receive data on both ports at the same time. When a connection is made on a port, it must immediately connect to the server, and start sending data as it receives it from the client to the server. Packets must be forwarded in the order they are received, exactly as they were received. It needs to be as low latency as possible. I don't need the ability for multiple clients to use the proxy, but it would be a nice feature if its easy to implement.

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• Flex Debugger wont launch - Only on particular project.

  - by John Isaacks

  When trying to launch Flex debaugger on my project, it does not launch and I get an error instead. Every other project in different workspaces launches just fine. This is the only one giving me an issue. Here is the error: Process terminated without establishing connection to debugger. Command: "C:\Program Files\Adobe\Flex Builder 3\sdks\3.2.0\bin\adl.exe" D:\fromLapTop\lapDocs\Flex\Workspaces\MothersRings\MothersRingsAir\bin-debug\MothersRingsAir-app.xml D:\fromLapTop\lapDocs\Flex\Workspaces\MothersRings\MothersRingsAir\bin-debug Output from command: PreloadSwf paths must be local trusted: D:/fromLapTop/lapDocs/Flex/Workspaces/WebRequestNotifier/.metadata/.plugins/com.adobe.flash.profiler/ProfilerAgent.swf?host=localhost&port=9999error while loading initial content Anyone have any ideas on how I can fix this? Thanks!

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• Convert object to DateRange

  - by user655832

  I'm querying an underlying PostgreSQL database using Pandas 0.8. Pandas is returning the DataFrame properly but the underlying timestamp column in my database is being returned as a generic "object" type in Pandas. As I would eventually like to seasonal normalization of my data I am curious as to how to convert this generic "object" column to something that is appropriate for analysis. Here is my current code to retrieve the data: # get records from db example import pandas.io.sql as psql import psycopg2 # define query to get all subs created this year QRY = """ select i i, i * random() f, case when random() > 0.5 then true else false end t, (current_date - (i*random())::int)::timestamp with time zone tsz from generate_series(1,1000) as s(i) order by 4 ; """ CONN_STRING = "host='localhost' port=5432 dbname='postgres' user='postgres'" # connect to db conn = psycopg2.connect(CONN_STRING) # get some data set index on relid column df = psql.frame_query(QRY, con=conn) print "Row count retrieved: %i" % (len(df),) Thanks for any help you can render. M

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• How to use Massren with Vim?

  - by Remonn

  I want to use massren renamer in vim in order to rename files within the texteditor. First, I used this command within Vim to set Vim as default editor for massren :! c:\tools\massren_renamer\massren.exe --config editor "C:\Progra~2\Vim\vim74\gvim.exe --remote-silent-tab" Then I tried to change a number of text files with this command within Vim: :%! c:\tools\massren_renamer\massren.exe d:\t*.txt but the list of files doesn't open at all in Vim. What did I wrong?

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• Can't validate mine, sudo nor root in Debian "Jessie" Gnome anymore?

  - by Janar

  I'm Debian beginner & GUI guy in a bit of trouble? Can't login as sudo/gksu/root/su nor as (main/super)user after removed user password via Gnome-user-settings. History of actions (Probably irrelevant though) Installed Debian "Jessie" GNU/Linux with xFce GUI (en-US) as only OS. HardWare is ThinkPad w510. Skipped root user password in setup, to get sudo for superuser easily. Logged in (as always had) with Gnome (3.4.x), not once with xFCE. (installed Xfce. Installed xFce only to achieve more control (easier management) over packages this way, to set-up gnome much more by mine likes. Added more jessie repros (same ones as in Wheesy stable by default but for Jessie as, Jessie only had repros for security updates by default). Installed lots of gtk(3) & gnome(3) based soft; (- restarted again after this) Installed propietary graphics card driver for mine nvidia quadro. (- restarted once again after that one) Installed more stuff related to mine work/school/devel. The actual problem Had a plan to restart again, but wanted to set up auto-login first, instead set user password to none (don't ask why / perhaps caused by being awake for a looooong time), noticed it, and set also to auto-login, but couldn't undo mine previous mistake to create new password for me. As mine password is set to none I would have expected that simply return in pass prompt for emty password field would do, but it won't authenticate. I tried Alt+F2 "gksu gedit" as well as: sudo wget "https://www.some-page.eu/file.ext" and "su" in terminals, none has applied (quite logical actually - as I'm sudoer and highest ranked super user, besides only user in computer). Current stand Everything worked & still works nice after this accident, besides this password prompts part. To spoked to log-out nor restart. Synaptic package-manager is still open with root rights (only one, that has left open prior to the issue and not closed since, just in case). Goggled for help and read some manuals/faqs/how-tos - mostly lead to sudoers file management, but not found one specifically for mine issue - so still not any smarter. Really hope, that I don't have to redo OS inst all over again, by just one stupid mistake. Thanks for your reply :-)

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• How to start VirtualBox using commandline?

  - by Murat Arpat

  I've VirtualBox on a Windows 7 PC and created a virtual machine for Windows XP. Here is what I want to do: Run VirtualBox Power on guest OS (named "Windows XP") Open Winword in guest OS I want to accomplish these 3 steps at once (by using a batch file for example). Any help would be appreciated. In fact I've a batch file but it does not work as I wanted: "C:\Program Files\Oracle\VirtualBox\Vboxmanage.exe" startvm "Windows XP" TIMEOUT 30 "C:\Program Files\Oracle\VirtualBox\VBoxmanage.exe" guestcontrol "Windows XP" execute --image "C:\PROGRA~1\MICROS~2\OFFICE11\WINWORD.EXE" --username xpuser

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• Can Android 1.6 devices be upgraded to Android 2.x for free?

  - by TimothyP

  I'm a bit confused on what the license/deployment policy for Android is really like. Is it an open source OS in the same sense as let's say a normal Linux distro ? If I have an Android 1.6 device, can I simply install the latest version of Android on it free of charge, or is there a lot more to it ? I take it, it's not just a download and install workflow.

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• DNS and name server in centos 6.3 64 bit is not pinged out side

  - by user135855

  I got a problem with centOS 6.3 64-bit. I want to setup my nameserver with bind here. I am listing all my configuration [root@izyon92 ~]# cat/etc/hosts -------------- 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6 182.19.26.92 izyon92.zyonize1.com izyon92 [root@izyon92 ~]# cat /etc/sysconfig/network --------------------------------------------- NETWORKING=yes HOSTNAME=izyon92.zyonize1.com GATEWAY=182.19.26.89 [root@izyon92 ~]# cat /etc/resolv.conf -------------------------------------------- # Generated by NetworkManager search zyonize1.com nameserver 182.19.26.92 [root@izyon92 ~]# cat /etc/named.conf -------------------------------------------- // // named.conf // // Provided by Red Hat bind package to configure the ISC BIND named(8) DNS // server as a caching only nameserver (as a localhost DNS resolver only). // // See /usr/share/doc/bind*/sample/ for example named configuration files. // options { #listen-on port 53 { 127.0.0.1; }; listen-on-v6 port 53 { none; }; directory "/var/named"; dump-file "/var/named/data/cache_dump.db"; statistics-file "/var/named/data/named_stats.txt"; memstatistics-file "/var/named/data/named_mem_stats.txt"; allow-query { 182.19.26.92; }; recursion yes; dnssec-enable yes; dnssec-validation yes; dnssec-lookaside auto; /* Path to ISC DLV key */ bindkeys-file "/etc/named.iscdlv.key"; managed-keys-directory "/var/named/dynamic"; }; logging { channel default_debug { file "data/named.run"; severity dynamic; }; }; zone "." IN { type hint; file "named.ca"; }; include "/etc/named.rfc1912.zones"; include "/etc/named.root.key"; [root@izyon92 ~]# cat /etc/named.rfc1912.zones -------------------------------------------------- // named.rfc1912.zones: // // Provided by Red Hat caching-nameserver package // // ISC BIND named zone configuration for zones recommended by // RFC 1912 section 4.1 : localhost TLDs and address zones // and http://www.ietf.org/internet-drafts/draft-ietf-dnsop-default-local-zones-02.txt // (c)2007 R W Franks // // See /usr/share/doc/bind*/sample/ for example named configuration files. // zone "localhost.localdomain" IN { type master; file "named.localhost"; allow-update { none; }; }; zone "localhost" IN { type master; file "named.localhost"; allow-update { none; }; }; zone "1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa" IN { type master; file "named.loopback"; allow-update { none; }; }; zone "1.0.0.127.in-addr.arpa" IN { type master; file "named.loopback"; allow-update { none; }; }; zone "0.in-addr.arpa" IN { type master; file "named.empty"; allow-update { none; }; }; zone "zyonize1.com" { type master; file "/var/named/zyonize.com.hosts"; }; [root@izyon92 ~]# cat /var/named/zyonize.com.hosts --------------------------------------------------------- $ttl 38400 zyonize1.com. IN SOA 182.19.26.92. dev\.izyon.gmail.com. ( 1347436958 10800 3600 604800 38400 ) zyonize1.com. IN NS 182.19.26.92. zyonize1.com. IN A 182.19.26.92 www.zyonize1.com. IN A 182.19.26.92 izyon92.zyonize1.com. IN A 182.19.26.92 I have disabled selinux and stopped iptables. dig and nslookup is working fine in the same machine [root@izyon92 ~]# dig zyonize1.com ---------------------------------------- ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.2 <<>> zyonize1.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 55751 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;zyonize1.com. IN A ;; ANSWER SECTION: zyonize1.com. 38400 IN A 182.19.26.92 ;; AUTHORITY SECTION: zyonize1.com. 38400 IN NS 182.19.26.92. ;; Query time: 0 msec ;; SERVER: 182.19.26.92#53(182.19.26.92) ;; WHEN: Fri Sep 14 00:09:19 2012 ;; MSG SIZE rcvd: 72 [root@izyon92 ~]# nslookup zyonize1.com ---------------------------------------------- Server: 182.19.26.92 Address: 182.19.26.92#53 Name: zyonize1.com Address: 182.19.26.92 But here is the problem I am facing, I have windows machine, to test this dns and nameserver I set the first IPv4 DNS server to 182.19.26.92. Here is the details Connection-specific DNS Suffix: Description: Realtek PCIe GBE Family Controller Physical Address: ?14-FE-B5-9F-3A-A8 DHCP Enabled: No IPv4 Address: 192.168.2.50 IPv4 Subnet Mask: 255.255.255.0 IPv4 Default Gateway: 192.168.2.1 IPv4 DNS Servers: 182.19.26.92, 182.19.95.66 IPv4 WINS Server: NetBIOS over Tcpip Enabled: Yes Link-local IPv6 Address: fe80::45cc:2ada:c13:ca42%16 IPv6 Default Gateway: IPv6 DNS Server: when I am pining from this machine it is not finding the server. Where as in another server with another live IP with Fedora ping is working fine.

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• Turn off QuickTime 'start page'

  - by DisgruntledGoat

  When I start Apple QuickTime (regular non-pro version), it comes up with this page of content including "Hot Picks", "Quick Hits" and other advertising, which I assume it is getting from the internet. How do I turn this off? I just want it to open the blank player, ready for me to play a file etc and not connect to the internet.

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• Can't work with server after modifying /lib/libc.so.6

  - by Afshin

  I have a CentOS server, VPS. After running this command I can't work with server and get the same error in all actions (SSH, Login, ls and ...) The command: ln -s /lib/libc.so.1 /lib/libc.so.6 -f And the error is: /sbin/shutdown: error while loading shared libraries: libc.so.6: cannot open shared object file: No such file or directory I have VNC to server but because I can't login to server, that's unusable. Thanks in advance.

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• Opening Python in CMD (Unfixable Error)

  - by Robert

  I recently tried opening one of my Python projects with CMD to see what would happen. The result did nothing amazing, but Windows 7 thought I wanted to open .py files in CMD all the time. I have tried everything, setting it back to python.exe does not work, I even went to Control Panel to see if it could help, but Control Panel couldn't help either. So if someone could help me please that would be great. Thank you.

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• How to delete corrupt folder?

  - by Ram Kumar

  I have a folder on the desktop which is about 1.6 GB in size. When I try to open it I get a message like this: The file or directory is corrupt or unreadable Fortunately, I have a backup of that folder so I want to get rid of this folder. If I try to delete it, it fails to delete however I can rename the folder, move it and do whatever except deletion. I've tried various methods but could not succeed. I am using Windows 8.1 Pro.

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• Allow X Client Display through TCP on Lucid

  - by user42336

  On Karmic, to allow other PCs to open and X-Window on a station, one had to edit /etc/gdm.conf and change DisallowTCP to false. That file no longer exists on Lucid. I tried changing an entry in /etc/gdm/gdm.schemas (XML format) but that did not make a difference. Any ideas on where to go for this?

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• How to find on the Windows 7 who and when use(d) a certain share?

  - by John Thomas

  We have a workstation using Win7 on a LAN with a domain. On that workstation we set up some network shares. Can we find who used (user name and/or computer name) and when the shares? Note that we know about Computer Management System Tools Shared Folders Open Files. We don't want to see so much real-time who's using the shares but we are interested more in a logging solution, ideally interpreting / using the data from Win7's Event Viewer.

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