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• Using DesktopCouch without Ubuntu One?

  - by burli

  I want to know if it is possible to use DesktopCouch without UbuntuOne, but with a local CouchDB Server. I found a pairing Tool, but this crashes, when I try to pair two computer. I can find the local Desktop Couches with the Avahi Zeroconf Browser and it should be possible to find them with Python and start a replication To make a long story short: I want to sync DesktopCouch Databases in my local network without Ubuntu One. Is that possible?

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• Introducing the EMEA Oracle Partner Days: Maximize your Potential

  - by Julien Haye

  The EMEA Oracle PartnerNetwork Days - which used to incorporate Partner Executive Forum (local/regional live events delivering sales strategy to a partner executive audience) and Satellite Events (local/regional live events targeting sales and consultants delivering Oracle strategy, engagement around specializations, executive keynotes and deep dive content-related breakout sessions) is now made of two distinct Partner events in EMEA: Oracle Partner Days. They are similar to the Satellite events from last year: local/Regional live events targeting the key contacts in sales and consultancy delivering Oracle strategy, engaging around the several perspectives of the Oracle portfolio, executive keynotes and deep dive Business content-related breakout sessions. Learn more about the EMEA Oracle Partner Days on www.oracle.com/partners/goto/partnerdays-emea Oracle Partner Executive Forums that are on invitation only. Please contact your local Alliances manager for any questions.

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• Would a typical corporate firewall block a Java applet having the following behaviour

  - by auser

  I'm thinking of developing a proxy-like program to forward ports on a remote PC to a local PC (for example SSH). Assume that both local and remote PCs are running behind typical firewalls (i.e. consumer broadband router firewall, Windows firewall or corporate firewalls). The program will be a Java program which the user will run on both the remote and local PC. The remote client will periodically poll a central server to determine whether there are pending client connections. A session could be initiated as follows: The local client contacts the central server and request the current connection details for a specific remote client. The central server responds with the remote server's last received IP address and port. The next time the remote server polls the central server, the client's IP address and port are returned. The remote server initiates a connection to the local client using the IP address and port returned by the central server and listens for a response on a random port. The remote server will pass the value of the port it's listening on to central server. Goto 1, if client fails to connect to server. Would this work or will a typical firewall block the interactions.

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• SQL SERVER – FIX ERROR – Cannot connect to . Login failed. The login is from an untrusted domain and cannot be used with Windows authentication. (Microsoft SQL Server, Error: 18452)

  - by pinaldave

  Just a day ago, I was doing small attempting to connect to my local SQL Server using IP 127.0.0.1. The IP is of my local machine and SQL Server is installed on the local box as well. However, whenever I try to connect to the server it gave me following strange error. Cannot connect to 127.0.0.1. Login failed. The login is from an untrusted domain and cannot be used with Windows authentication. (Microsoft SQL Server, Error: 18452) The reason was indeed strange as I was trying to connect from local box to local box and it said my login was from an untrusted domain. As my system is not part of any domain, this was really confusing to me. Another thing was that I have been always able to connect always using 127.0.0.1 to SQL Server and this was a bit strange to me. I started to think what did I change since it  last time I connected to SQL Server. Suddenly I remembered that I had modified my computer’s host file for some other purpose. Solution: I opened my host file and immediately added entry like 127.0.0.1 localhost. Once I added it I was able to reconnect to SQL Server as usual. The location of the host file is C:\Windows\System32\drivers\etc. You will find file with the name hosts in it, make sure to open it with notepad. If you are part of a domain and your organization is using active directory, make sure that your account is added properly to active directory as well have proper security permissions to execute the task. Reference : Pinal Dave (http://blog.SQLAuthority.com) Filed under: PostADay, SQL, SQL Authority, SQL Error Messages, SQL Query, SQL Server, SQL Tips and Tricks, T SQL, Technology

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• Apache virtual hosts - Resources on website not loaded when accessed from other hostname than localhost

  - by Christian Stadegaart

  Running virtual hosts on Mac OS X 10.6.8 running Apache 2.2.22. /etc/hosts is as follows: 127.0.0.1 localhost 3dweergave studio-12.fritz.box 255.255.255.255 broadcasthost ::1 localhost fe80::1%lo0 localhost Virtual hosts configuration: NameVirtualHost *:80 <VirtualHost *:80> DocumentRoot "/opt/local/www/3dweergave" ServerName 3dweergave ErrorLog "logs/3dweergave-error_log" CustomLog "logs/3dweergave-access_log" common <Directory "/opt/local/www/3dweergave"> Options Indexes FollowSymLinks AllowOverride All Order allow,deny Allow from all </Directory> </VirtualHost> <VirtualHost *:80> ServerName main </VirtualHost> This will output the following settings: *:80 is a NameVirtualHost default server 3dweergave (/opt/local/apache2/conf/extra/httpd-vhosts.conf:21) port 80 namevhost 3dweergave (/opt/local/apache2/conf/extra/httpd-vhosts.conf:21) port 80 namevhost main (/opt/local/apache2/conf/extra/httpd-vhosts.conf:34) I made 3dweergave the default server by putting it first in the list. This will cause all undefined virtual hosts' names to load 3dweergave, and thus http://localhost will point to 3dweergave. Of course, normally, the first in the list is the virtual host main and localhost will point to main, but for testing purposes I switched them. When I navigate to http://localhost, my CakePHP default homepage shows as expected: Screenshot 1 But when I navigate to http://3dweergave, my CakePHP default homepage doesn't show as expected. It looks like every relative link to resources are not accepted by the server: Screenshot 2 For example, the CSS isn't loaded. When I open the source and click on the link, it opens the CSS file in the browser without errors. But when I run FireBug while loading the webpage, it seems that the CSS file isn't retrieved. (<link rel="stylesheet" type="text/css" href="/css/cake.generic.css" />) How can I fix this unwanted behaviour?

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• Bind9 forwarding zone not working

  - by JMW

  i've setup a forwarding zone on a RHEL6 Bind server like this: zone "office.local" IN { type forward; forward only; forwarders { 192.168.0.2; 192.168.0.3; }; }; when i try to query using dig @127.0.0.1 monitorsms.office.local i see the following message in the syslog: client 127.0.0.1#39376: query: monitorsms.office.local IN A + (127.0.0.1) validating @0x7ff7640357d0: monitorsms.office.local A: bad cache hit (monitorsms.office.local/DS) google tells me, that there is an issue with DNSSEC, but both servers do not have DNSSEC configured and thus do not send any DNSSEC records. What's wrong with my configuration?

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• dig gets the right result from DNS server, but name still fails to resolve

  - by EMiller

  Under what conditions would the following occur? From a given OSX machine on an internal network: $~ cat /etc/resolv.conf nameserver 10.102.120.7 nameserver 10.102.120.2 From the same machine: $~ dig @10.102.120.7 in.local <snip> ... ;; QUESTION SECTION: ;in.local. IN A ;; ANSWER SECTION: in.local. 43200 IN A 10.102.123.30 <snip> ... And yet, this workstation cannot ping in.local, nor load pages hosted by apache on that machine. 10.102.123.30 is definitley up (2 OSX machines I know fail to resolve in.local - but other machines on the network can). I have also checked their /etc/hosts to see if anything there might interfere... Not sure what else to check...

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• Offlineimap -- push changes to all folders; only pull from INBOX folder

  - by g33kz0r

  I would like to be able to set up offlineimap to do the following Sync Remote/INBOX - Local Sync Local/Maildirs/* - Remote Possible? The use case here is: I download all new mail from my remote IMAP INBOX folder with offlineimap. offlineimap's posthook command calls a custom python script which does junk filtering, then sorts and categorizes my mail in the local INBOX folder to various local maildirs based on sender, etc. I read my mail with mutt and perhaps do some more categorization. ? Step 4 is what I'm after. I want offlineimap to push my local changes (categorization, filtering, deletion in the case of spam) back to the various folders on the imap server, but as you can see, there's no need for me to be pulling any changes from folders other than Remote/INBOX, as no changes happen on the IMAP server itself. I hope that's a clear explanation of the problem.

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• Windows domain full hostnames cannot be resolved resulting in intranet not working

  - by OpethR

  the domain: is foo.bar.local full hostname is: bla.foo.bar.local short hostname is: bla I installed winbind. here is my smb.conf: name resolve order = lmhosts host wins bcast here is my nsswitch.conf: hosts: files mdns4_minimal [NOTFOUND=return] dns wins mdns4 when I try to ping full hostname, I get: "ping: unknown host" when I ping short hostname it works and shows me PING bla.foo.bar.local (10.11.20.135) 56(84) bytes of data. 64 bytes from bla.foo.bar.local (10.11.20.135): icmp_req=1 ttl=62 time=49.7 ms *notice that it manages to get the full hostname!? :S now the only reason I need it is cuz I'm trying to reach intranet websites. when I type short hostname "bla" in firefox address bar, it automatically changes it to the full hostname (which is good, right?!) but then it says: Server not found Firefox can't find the server at bla.foo.bar.local. what am I doing wrong? it's driving me nutz. so if you are wandering then yes, it is company intranet I'm trying to reach from ubuntu. If I use my crappy winxp everything is working perfectly well.

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• How do I get the current date according to an NTP server without setting it locally?

  - by Zac B

  I want to get the current date and time according to a remote NTP server, using Linux. I don't want to change the local time as a result; I just want to get the remote date, adjusted for the local time zone, printed out. The date returned must comply with the following criteria: It needs to be reasonably accurate. It needs to be adjusted for the timezone on the local system making the request. It needs to be formatted in an easily-readable or interpretable way (standard date format, or seconds since epoch). What I've Tried: I can call ntpdate -q my.ntp.server and get the offset between the local time and the server's time, but that doesn't return the date according to the NTP server; it just returns the offset and the local date. Is there some easy way/command I can use to say: "Print out the date according to a given NTP server, adjusted for my current timezone"?

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• Client and Server game update speed

  - by user20686

  I am working on a simple two player networked asteroids game using XNA and the Lidgren networking library. For this set up I have a Lidgren server maintaining what I want to be the true state of the game, and the XNA game is the Lidgren client. The client sends key inputs to the server, and the server process the key inputs against game logic, sending back updates. (This seemed like a better idea then sending local positions to the server.) The client also processes the key inputs on its own, so as to not have any visible lag, and then interpolates between the local position and remote position. Based on what I have been reading this is the correct way to smooth out a networked game. The only thing I don’t get is what value to use as the time deltas. Currently every message the server sends it also sends a delta-time update with it, which is time between the last update. The client then saves this delta time to use for its local position updates, so they can be using roughly the same time deltas to calculate position updates. I know the XNA game update gets called 60 times a second, so I set my server to update the game state at the same speed. This will probably only work as long as the game is working on a fixed time step and will probably cause problems if I want to change that in the future. The server sends updates to clients on another thread, which runs at 10 updates per second to cut down on bandwidth. I do not see noticeable lag in movement and over time if no user input is received the local and remote positions converge on each other as they should. I am also not currently calculating for any latency as I am trying to go one step at a time. So my question is should the XNA client be using its current game time to update the local game state and not being using time deltas sent by the server? If I should be using the clients time delta between updates how do I keep it in-line with how fast the server is updating its game state?

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• Mac OS X keeps "old" environment variable around

  - by Xymak1y

  So far I had /Applications/play-1.2.5/ added to my $PATH variable. Now I'm working with 2.2.1, which I installed in /Applications/play-2.2.1 and changed in ~/.bash_profile (which is getting sourced at startup). However, when printing $PATH, 1.2.5 is somehow still around: mbp:~ user$ echo $PATH /usr/local/share/npm/bin:/Applications/play-2.2.1:/usr/local/heroku/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/Applications/play-1.2.5:/Applications/XAMPP/xamppfiles/bin/:/opt/X11/bin As far as I now, I only entered $PATH variables in .bash_profile, which looks like this: mbp:~ user$ cat .bash_profile source ~/.git-completion.bash ### Added by the Heroku Toolbelt export PATH="/usr/local/heroku/bin:$PATH" ### Play Framework export PATH="/Applications/play-2.2.1:$PATH" export PATH="/usr/local/share/npm/bin:$PATH" I'm also not sure where the XAMPP extension to the variable comes from. Can I see somewhere which other files are being sourced on startup?

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• Error configuring virtual hosts with Apache on Windows 8 [on hold]

  - by rushd

  I can't get virtual host to work on my Windows 8. I restart, stop, start Apache, but I get a popup dialog that says: The requested operation has failed! I know it's the line that produces the error, but how can I enable vhost if I don't uncomment the line in httpd.conf? # Virtual hosts Include conf/extra/httpd-vhosts.conf The only thing I did was edited C:\Apache24\conf\httpd.conf by removing the comment on Include conf/extra/httpd-vhosts.conf and edited the file located in C:\Apache24\conf\extra\httpd-vhost.conf. Apache is installed in C:\Apache24 Directory I want to use for Virtual Host is located at C:\Users\TomCODE\brainprojects My vhost.conf looks like this: <VirtualHost *:80> ServerAdmin [email protected] ServerName brain.local DocumentRoot "C:/Users/TomCODE/brainprojects" ErrorLog "logs/brain.local-error.log" CustomLog "logs/local.local-access.log" common </VirtualHost> My hosts file: 127.0.0.1 brain.local I downloaded the file httpd-2.4.9-win64-VC11 from Apache Lounge.

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• Providing Localized Search Services With an Interactive Marketing Agency

  Local searches are growing, and one way for an interactive marketing agency to provide top notch service is to make sure their clients are listed with local directories. Some of the local directories are more important than others, read which ones are most used and need the agency's attention now for the best impact on clients traffic.

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• XML Photo Album In Silverlight

  Loading pictures from xml file and allowing users to save them to their local machine

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• SharePoint 2010 - Access denied during ApplyWebConfigModifications()

  - by tcoalson

  I have SharePoint 2010 installed on a Windows Server 2008 R2 machine which is also hosting SQL Sever 2008 R2. I am attempting to deploy a solution that includes web parts in the 2010 environment that is working fine in MOSS 2007. The Web Part feature has a feature receiver that updates the web.config. When I try to activate the feature through the Site Collection Feature GUI, I receive an access denied message. I am logged on to the server and in SharePoint with the APP Pool account which is also a member of the domain administrator group, local administrator group and SharePoint Farm Admin group. This account is also dbo on SQL Server. This same feature activates fine using the stsadm command. I have dug into this issue at length and here is what I have found: Looking at the Microsoft assemblies in reflector, my error is coming from the SPWebApplication.ApplyWebConfigModifications() method. I can see the trace statements from SPWebConfigFileChanges.RemoveModificationsWebConfigXMLDocument and SPWebConfigFileChanges.ApplyModificationsWebConfigXMLDocument. The next line is a Save(str). Below is the output from the SharePoint logs that pertain to this error: Apply web config modifications to web app 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation General 8grn Medium WebConfigModification: Applying web config modifications to web app in server tw-s1-m4400-007 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 88gw Medium WebConfigModification: Applying web config modifications to file C:\inetpub\wwwroot\wss\VirtualDirectories\2008\web.config 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 887b Medium Removing web config node - Path configuration/system.web/httpModules Node name add[@name='JivePageController'] 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 887b Medium Removing web config node - Path configuration/system.web/httpHandlers Node name add[@path='ScriptResource.axd'] 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 887b Medium Removing web config node - Path configuration/runtime/*[local-name()="assemblyBinding" and namespace-uri()="urn:schemas-microsoft-com:asm.v1"] Node name [local-name()="dependentAssembly"][/@name="System.Web.Extensions.Design"] 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 887b Medium Removing web config node - Path configuration/runtime/*[local-name()="assemblyBinding" and namespace-uri()="urn:schemas-microsoft-com:asm.v1"] Node name [local-name()="dependentAssembly"][/@name="System.Web.Extensions"] 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 8gp8 Medium WebConfigModification: Adding web config node - Path - configuration/runtime/*[local-name()="assemblyBinding" and namespace-uri()="urn:schemas-microsoft-com:asm.v1"] Node name - [local-name()="dependentAssembly"][/@name="System.Web.Extensions"] Node value - in web.config file C:\inetpub\wwwroot\wss\VirtualDirectories\2008\web.config 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 8gp8 Medium WebConfigModification: Adding web config node - Path - configuration/runtime/*[local-name()="assemblyBinding" and namespace-uri()="urn:schemas-microsoft-com:asm.v1"] Node name - [local-name()="dependentAssembly"][/@name="System.Web.Extensions.Design"] Node value - in web.config file C:\inetpub\wwwroot\wss\VirtualDirectories\2008\web.config 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 8gp8 Medium WebConfigModification: Adding web config node - Path - configuration/system.web/httpHandlers Node name - add[@path='ScriptResource.axd'] Node value - in web.config file C:\inetpub\wwwroot\wss\VirtualDirectories\2008\web.config 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 8gp8 Medium WebConfigModification: Adding web config node - Path - configuration/system.web/httpModules Node name - add[@name='JivePageController'] Node value - in web.config file C:\inetpub\wwwroot\wss\VirtualDirectories\2008\web.config 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.09 w3wp.exe (0x15C4) 0x1444 SharePoint Foundation Topology e5mb Medium WcfReceiveRequest: LocalAddress: 'http://tw-s1-m4400-007.jivedemo.local:32843/15702467ece1408f881abeabac3b5077/MetadataWebService.svc' Channel: 'System.ServiceModel.Channels.ServiceChannel' Action: xxx MessageId: 'urn:uuid:4e859532-ed7f-4937-8b88-68d3af43d589' 9f403ede-2c94-490b-a05c-e169cc5fe58d 02/24/2010 16:05:41.10 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology f6kh High WebConfigModification: Save of web.config file C:\inetpub\wwwroot\wss\VirtualDirectories\2008\web.config for applying modifications to web app SharePoint - 2008 failed. Error message - Access to the path 'C:\inetpub\wwwroot\wss\VirtualDirectories\2008\web.config' is denied. 5a817a37-7bf6-4d26-be51-207369e38f5b 02/24/2010 16:05:41.10 w3wp.exe (0x0F64) 0x1034 SharePoint Foundation Topology 8j2o High WebConfigModification: Changes not applied to web application SharePoint - 2008 with Url xxx 5a817a37-7bf6-4d26-be51-207369e38f5b Any help would be appreciated!

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• Ruby Gems Not Installing, Hangs While Getting Gems

  - by Tim Hoolihan

  I recently cleared out all of my ruby install and installed form sources using the instructions at hivelogic I have have been able to install a few gems, but most of the time, "sudo gem install rails" hangs. I've added the -V flag, and it just seems to hang, I don't get any error. And the process can not be killed. I can only reboot to kill the process. My ruby info: [tim@ ~]# ruby -v ruby 1.8.7 (2010-01-10 patchlevel 249) [i686-darwin10.2.0] [tim@ ~]# gem -v 1.3.6 [tim@ ~]# gem environment RubyGems Environment: - RUBYGEMS VERSION: 1.3.6 - RUBY VERSION: 1.8.7 (2010-01-10 patchlevel 249) [i686-darwin10.2.0] - INSTALLATION DIRECTORY: /usr/local/lib/ruby/gems/1.8 - RUBY EXECUTABLE: /usr/local/bin/ruby - EXECUTABLE DIRECTORY: /usr/local/bin - RUBYGEMS PLATFORMS: - ruby - x86-darwin-10 - GEM PATHS: - /usr/local/lib/ruby/gems/1.8 - /Users/tim/.gem/ruby/1.8 - GEM CONFIGURATION: - :update_sources => true - :verbose => true - :benchmark => false - :backtrace => false - :bulk_threshold => 1000 - :sources => ["http://gems.rubyforge.org/", "http://gems.rubyforge.org"] - REMOTE SOURCES: - http://gems.rubyforge.org/ - http://gems.rubyforge.org [tim@ ~]# which ruby /usr/local/bin/ruby [tim@ ~]# which gem /usr/local/bin/gem [tim@ ~]# uname -a Darwin tim-hoolihans-macbook-pro-15.local 10.2.0 Darwin Kernel Version 10.2.0: Tue Nov 3 10:37:10 PST 2009; root:xnu-1486.2.11~1/RELEASE_I386 i386 [tim@ ~]# Any ideas?

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• using wget against protected site with NTLM

  - by Joey V.

  Trying to mirror a local intranet site and have found previous questions using 'wget'. It works great with sites that are anonymous, but I have not been able to use it against a site that is expecting username\password (IIS with Integrated Windows Authentication). Here is what I pass in: wget -c --http-user='domain\user' --http-password=pwd http://local/site -dv Here is the debug output (note I replaced some with dummy values obviously): Setting --verbose (verbose) to 1 DEBUG output created by Wget 1.11.4 on Windows-MSVC. --2009-07-14 09:39:04-- http://local/site Host `local' has not issued a general basic challenge. Resolving local... seconds 0.00, x.x.x.x Caching local = x.x.x.x Connecting to local|x.x.x.x|:80... seconds 0.00, connected. Created socket 1896. Releasing 0x003e32b0 (new refcount 1). ---request begin--- GET /site/ HTTP/1.0 User-Agent: Wget/1.11.4 Accept: */* Host: local Connection: Keep-Alive ---request end--- HTTP request sent, awaiting response... ---response begin--- HTTP/1.1 401 Access Denied Server: Microsoft-IIS/5.1 Date: Tue, 14 Jul 2009 13:39:04 GMT WWW-Authenticate: Negotiate WWW-Authenticate: NTLM Content-Length: 4431 Content-Type: text/html ---response end--- 401 Access Denied Closed fd 1896 Unknown authentication scheme. Authorization failed.

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• Lua Alien Module - Trouble using WriteProcessMemory function, unsure on types (unit32)

  - by jefferysanders

  require "alien" --the address im trying to edit in the Mahjong game on Win7 local SCOREREF = 0x0744D554 --this should give me full access to the process local ACCESS = 0x001F0FFF --this is my process ID for my open window of Mahjong local PID = 1136 --function to open proc local op = alien.Kernel32.OpenProcess op:types{ ret = "pointer", abi = "stdcall"; "int", "int", "int"} --function to write to proc mem local wm = alien.Kernel32.WriteProcessMemory wm:types{ ret = "long", abi = "stdcall"; "pointer", "pointer", "pointer", "long", "pointer" } local pRef = op(ACCESS, true, PID) local buf = alien.buffer("99") -- ptr,uint32,byte arr (no idea what to make this),int, ptr print( wm( pRef, SCOREREF, buf, 4, nil)) --prints 1 if success, 0 if failed So that is my code. I am not even sure if I have the types set correctly. I am completely lost and need some guidance. I really wish there was more online help/documentation for alien, it confuses my poor brain. What utterly baffles me is that it WriteProcessMemory will sometimes complete successfully (though it does nothing at all, to my knowledge) and will also sometimes fail to complete successfully. As I've stated, my brain hurts. Any help appreciated.

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• ruby on rails delajed_job failing with rvm

  - by mottalrd

  I have delayed_job installed and I start the daemon to run the jobs with this ruby script require 'rubygems' require 'daemon_spawn' $: << '.' RAILS_ROOT = File.expand_path(File.join(File.dirname(__FILE__), '..')) class DelayedJobWorker < DaemonSpawn::Base def start(args) ENV['RAILS_ENV'] ||= args.first || 'development' Dir.chdir RAILS_ROOT require File.join('config', 'environment') Delayed::Worker.new.start end def stop system("kill `cat #{RAILS_ROOT}/tmp/pids/delayed_job.pid`") end end DelayedJobWorker.spawn!(:log_file => File.join(RAILS_ROOT, "log", "delayed_job.log"), :pid_file => File.join(RAILS_ROOT, 'tmp', 'pids', 'delayed_job.pid'), :sync_log => true, :working_dir => RAILS_ROOT) If I run the command with rvmsudo it works perfectly If I simply use the ruby command without rvm it fails and this is the output, but I have no idea why this happens. Could you give me some clue? Thank you user@mysystem:~/redeal.it/application$ ruby script/delayed_job start production /usr/local/rvm/gems/ruby-1.9.3-p194/gems/daemon-spawn-0.4.2/lib/daemon_spawn.rb:16:in `kill': Operation not permitted (Errno::EPERM) from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/daemon-spawn-0.4.2/lib/daemon_spawn.rb:16:in `alive?' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/daemon-spawn-0.4.2/lib/daemon_spawn.rb:125:in `alive?' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/daemon-spawn-0.4.2/lib/daemon_spawn.rb:176:in `block in start' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/daemon-spawn-0.4.2/lib/daemon_spawn.rb:176:in `select' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/daemon-spawn-0.4.2/lib/daemon_spawn.rb:176:in `start' from /usr/local/rvm/gems/ruby-1.9.3-p194/gems/daemon-spawn-0.4.2/lib/daemon_spawn.rb:165:in `spawn!' from script/delayed_job:37:in `<main>'

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• Django + Apache wsgi = paths problem

  - by Shamanu4

  Hello. I have this view which generates interface language options menu def lang_menu(request,language): lang_choices = [] import os.path for lang in settings.LANGUAGES: if os.path.isfile("gui/%s.py" % lang) or os.path.isfile("gui/%s.pyc" % lang): langimport = "from gui.%s import menu" % lang try: exec(langimport) except ImportError: lang_choices.append({'error':'invalid language file'}) else: lang_choices.append(menu) else: lang_choices.append({'error':'lang file not found'}) t = loader.get_template('gui/blocks/lang_menu_options.html') data = '' for lang in lang_choices: if not 'error' in lang: data = "%s\n%s" % (data,t.render(Context(lang))) if not data: data = "Error! No languages configured or incorrect language files!" return Context({'content':data}) When I'am using development server (python manage.py runserver ...) it works fine. But when I ported my app to apache wsgi server I've got error "No languages configured or incorrect language files!" Here is my Apache config <VirtualHost *:9999> WSGIScriptAlias / "/usr/local/etc/django/terminal/django.wsgi" <Directory "/usr/local/etc/django/terminal"> Options +ExecCGI Allow From All </Directory> Alias /media/ "/usr/local/lib/python2.5/site-packages/django/contrib/admin/media/" <Location /media/> SetHandler None </Location> <Directory "/usr/local/lib/python2.5/site-packages/django/contrib/admin/media/> Allow from all </Directory> Alias /static/ "/usr/local/etc/django/terminal/media/" <Location /static/> SetHandler None </Location> ServerName ******* ServerAlias ******* ErrorLog /var/log/django.error.log TransferLog /var/log/django.access.log </VirtualHost> django.wsgi: import os, sys sys.path.append('/usr/local/etc/django') sys.path.append('/usr/local/etc/django/terminal') os.environ['DJANGO_SETTINGS_MODULE'] = 'terminal.settings' import django.core.handlers.wsgi application = django.core.handlers.wsgi.WSGIHandler() It's look like as problem with path configuration but I'm stuck here ...

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• Django generic relation field reports that all() is getting unexpected keyword argument when no args

  - by Joshua

  I have a model which can be attached to to other models. class Attachable(models.Model): content_type = models.ForeignKey(ContentType) object_pk = models.TextField() content_object = generic.GenericForeignKey(ct_field="content_type", fk_field="object_pk") class Meta: abstract = True class Flag(Attachable): user = models.ForeignKey(User) flag = models.SlugField() timestamp = models.DateTimeField() I'm creating a generic relationship to this model in another model. flags = generic.GenericRelation(Flag) I try to get objects from this generic relation like so: self.flags.all() This results in the following exception: >>> obj.flags.all() Traceback (most recent call last): File "<console>", line 1, in <module> File "/usr/local/lib/python2.6/dist-packages/django/db/models/manager.py", line 105, in all return self.get_query_set() File "/usr/local/lib/python2.6/dist-packages/django/contrib/contenttypes/generic.py", line 252, in get_query_set return superclass.get_query_set(self).filter(**query) File "/usr/local/lib/python2.6/dist-packages/django/db/models/query.py", line 498, in filter return self._filter_or_exclude(False, *args, **kwargs) File "/usr/local/lib/python2.6/dist-packages/django/db/models/query.py", line 516, in _filter_or_exclude clone.query.add_q(Q(*args, **kwargs)) File "/usr/local/lib/python2.6/dist-packages/django/db/models/sql/query.py", line 1675, in add_q can_reuse=used_aliases) File "/usr/local/lib/python2.6/dist-packages/django/db/models/sql/query.py", line 1569, in add_filter negate=negate, process_extras=process_extras) File "/usr/local/lib/python2.6/dist-packages/django/db/models/sql/query.py", line 1737, in setup_joins "Choices are: %s" % (name, ", ".join(names))) FieldError: Cannot resolve keyword 'object_id' into field. Choices are: content_type, flag, id, nestablecomment, object_pk, timestamp, user >>> obj.flags.all(object_pk=obj.pk) Traceback (most recent call last): File "<console>", line 1, in <module> TypeError: all() got an unexpected keyword argument 'object_pk' What have I done wrong?

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• W7 routing - traffic not going to default gateway

  - by Ian Macintosh

  I have a really strange Windows 7 IPv4 routing issue that I can't get to the bottom of. The summary of the issue is that the default gateway is set to 192.168.254.253, but that it is actually using a default gateway of 192.168.254.254. Here's a network diagram: .-,( ),-. .-( )-. .-----( internet )----.--------------------------. | '-( ).-' | | | '-.( ).-' | | v v v .------------. .------. .------. | 10mb Fibre | | ADSL | | ADSL | '------------' '------' '------' | | | | | | v v v .---------------------. .--------------------. .--------------------. | Juniper Box | | Draytek DSL Router | | Draytek DSL Router | |---------------------| |--------------------| |--------------------| | (public IP address) | | 172.16.0.x | | 172.16.0.x | '---------------------' '--------------------' '--------------------' | | | | | .-------------------' | v v v .-------------------------. .-----------------. | Draytek Dual WAN Router | | Untangle GW | |-------------------------| |-----------------| | 192.168.254.254 | | 192.168.254.253 | '-------------------------' '-----------------' | | | | | v v =================================== LAN =================================== | | | | v v .----------------. .----------------. | Windows 7 W/S | | Windows 7 W/S | |----------------| |----------------| | 192.168.254.38 | | 192.168.254.77 | '----------------' '----------------' This is a recently (a few weeks ago) converted fibre site with the original 2 DSL lines still attached and running. An Untangle (firewall) was installed with the fibre line. Here is the affected PC network configuration: C:\>ipconfig /allcompartments /all Windows IP Configuration ============================================================================== Network Information for Compartment 1 (ACTIVE) ============================================================================== Host Name . . . . . . . . . . . . : COMP36 Primary Dns Suffix . . . . . . . : XXXXXX.local Node Type . . . . . . . . . . . . : Broadcast IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : XXXXXX.local Ethernet adapter Local Area Connection 2: Connection-specific DNS Suffix . : XXXXXX.local Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller #2 Physical Address. . . . . . . . . : C8-9C-DC-33-F1-65 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::3925:86a5:7066:ab92%15(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.254.38(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : 22 August 2012 10:20:32 Lease Expires . . . . . . . . . . : 30 August 2012 10:20:31 Default Gateway . . . . . . . . . : 192.168.254.253 DHCP Server . . . . . . . . . . . : 192.168.254.200 DHCPv6 IAID . . . . . . . . . . . : 315137244 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-14-4A-17-8D-10-78-D2-74-2F-8A DNS Servers . . . . . . . . . . . : 192.168.254.200 Primary WINS Server . . . . . . . : 192.168.254.200 NetBIOS over Tcpip. . . . . . . . : Enabled Tunnel adapter isatap.XXXXXX.local: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : XXXXXX.local Description . . . . . . . . . . . : Microsoft ISATAP Adapter Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Tunnel adapter Teredo Tunneling Pseudo-Interface: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes The routing table: C:\>route print =========================================================================== Interface List 15...c8 9c dc 33 f1 65 ......Realtek PCIe GBE Family Controller #2 1...........................Software Loopback Interface 1 10...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter 11...00 00 00 00 00 00 00 e0 Teredo Tunneling Pseudo-Interface =========================================================================== IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 192.168.254.253 192.168.254.38 10 127.0.0.0 255.0.0.0 On-link 127.0.0.1 306 127.0.0.1 255.255.255.255 On-link 127.0.0.1 306 127.255.255.255 255.255.255.255 On-link 127.0.0.1 306 192.168.254.0 255.255.255.0 On-link 192.168.254.38 266 192.168.254.38 255.255.255.255 On-link 192.168.254.38 266 192.168.254.255 255.255.255.255 On-link 192.168.254.38 266 224.0.0.0 240.0.0.0 On-link 127.0.0.1 306 224.0.0.0 240.0.0.0 On-link 192.168.254.38 266 255.255.255.255 255.255.255.255 On-link 127.0.0.1 306 255.255.255.255 255.255.255.255 On-link 192.168.254.38 266 =========================================================================== Persistent Routes: None IPv6 Route Table =========================================================================== Active Routes: If Metric Network Destination Gateway 1 306 ::1/128 On-link 15 266 fe80::/64 On-link 15 266 fe80::3925:86a5:7066:ab92/128 On-link 1 306 ff00 ::/8 On-link 15 266 ff00::/8 On-link =========================================================================== Persistent Routes: None And the strange routing as demonstrated by tracert: C:\>tracert -d www.bbc.co.uk Tracing route to www.bbc.net.uk [212.58.246.95] over a maximum of 30 hops: 1 1 ms 1 ms <1 ms 192.168.254.254 2 1 ms 1 ms 1 ms 172.16.0.254 3 17 ms 18 ms 16 ms XXXXXXXXXXXXXXX 4 18 ms 19 ms 19 ms XXXXXXXXXXXXXXX 5 22 ms 22 ms 22 ms XXXXXXXXXXXXXXX 6 22 ms 21 ms 22 ms XXXXXXXXXXXXXXX 7 21 ms 21 ms 22 ms 217.41.169.109 8 30 ms 32 ms 57 ms 109.159.251.227 9 46 ms 39 ms 35 ms 109.159.251.137 10 27 ms 66 ms 30 ms 109.159.254.116 ^C However, when done from another Windows 7 workstation: C:\Users\administrator>ipconfig /allcompartments /all Windows IP Configuration ============================================================================== Network Information for Compartment 1 (ACTIVE) ============================================================================== Host Name . . . . . . . . . . . . : PABX-BACKUP Primary Dns Suffix . . . . . . . : XXXXXX.local Node Type . . . . . . . . . . . . : Broadcast IP Routing Enabled. . . . . . . . : No WINS Proxy Enabled. . . . . . . . : No DNS Suffix Search List. . . . . . : XXXXXX.local Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : XXXXXX.local Description . . . . . . . . . . . : Realtek PCIe GBE Family Controller Physical Address. . . . . . . . . : 8C-89-A5-94-43-84 DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Link-local IPv6 Address . . . . . : fe80::9479:1c11:6f9f:ae0b%11(Preferred) IPv4 Address. . . . . . . . . . . : 192.168.254.77(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.255.0 Lease Obtained. . . . . . . . . . : 15 August 2012 08:27:18 Lease Expires . . . . . . . . . . : 27 August 2012 08:27:31 Default Gateway . . . . . . . . . : 192.168.254.253 DHCP Server . . . . . . . . . . . : 192.168.254.200 DHCPv6 IAID . . . . . . . . . . . : 244091301 DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-16-C2-79-BE-8C-89-A5-94-43-84 DNS Servers . . . . . . . . . . . : 192.168.254.200 Primary WINS Server . . . . . . . : 192.168.254.200 NetBIOS over Tcpip. . . . . . . . : Enabled Tunnel adapter isatap.XXXXXX.local: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : XXXXXX.local Description . . . . . . . . . . . : Microsoft ISATAP Adapter Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Tunnel adapter Local Area Connection* 9: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Microsoft 6to4 Adapter Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes Tunnel adapter Teredo Tunneling Pseudo-Interface: Media State . . . . . . . . . . . : Media disconnected Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0 DHCP Enabled. . . . . . . . . . . : No Autoconfiguration Enabled . . . . : Yes C:\Users\administrator> And finally, doing a tracert from the 2nd workstation yields expected results: C:\Users\administrator>tracert -d www.bbc.co.uk Tracing route to www.bbc.net.uk [212.58.244.67] over a maximum of 30 hops: 1 <1 ms <1 ms <1 ms 192.168.254.253 2 1 ms 1 ms 1 ms 141.0.xxx.xxx 3 2 ms 2 ms 2 ms 141.0.xxx.xxx 4 7 ms 2 ms 2 ms 109.204.xxx.xxx 5 2 ms 2 ms 2 ms 95.177.0.7 6 3 ms 2 ms 2 ms 95.177.0.9 7 30 ms 2 ms 2 ms 95.177.0.2 8 2 ms 2 ms 2 ms 195.66.224.103 9 ^C As expected, it is routing via .253, and the 2nd hop is the inside interface of the Juniper NTU. I've not inspected the traffic yet. In particular, I was going to look for ICMP redirects, though why there would be an ICMP redirect at all is not really sensible? .254 used to be the default gateway before the fibre was installed. Any ideas? Doesn't make sense to me why there should be this routing issue :( The Draytek Dual WAN Router was rebooted, the PC was rebooted. The PC had the network disabled and then re-enabled. All the standard stuff when Windows looses the plot. Hopefully somebody recognises the symptoms! PS: Sorry for the long post, but I didn't want to leave something potentially relevant out. PPS: No iSCSI involved on/at this or any other workstation so Windows 7 routing traffic through the gateway for local addresses isn't the issue.

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• Spring, Need to use a a bean declared in a ApplicationContextFactory servlet, in a DispatcherServlet

  - by Ernest

  Hello, i have a web.xml with these 2 servlet: <servlet> <servlet-name>ApplicationContextFactory</servlet-name> <servlet-class>com.bamboo.common.factory.ApplicationContextFactory</servlet-class> <load-on-startup>1</load-on-startup> </servlet> AND <servlet> <servlet-name>dispatcher</servlet-name> <servlet-class> org.springframework.web.servlet.DispatcherServlet </servlet-class> <load-on-startup>1</load-on-startup> </servlet> I need to use these bean declared on the ApplicationContextFactory: <bean id="**catalogFacadeTarget**" class="com.bamboo.catW3.business.impl.CatalogFacadeImpl"> <property name="categoryDAO"><ref local="categoryDAOTarget"/></property> <property name="containerDAO"><ref local="containerDAOTarget"/></property> <property name="productDAO"><ref local="productDAOTarget"/></property> <property name="productOptionDAO"><ref local="productOptionDAOTarget"/></property> <property name="productStatusDAO"><ref local="productStatusDAOTarget"/></property> <property name="userDAO"><ref local="userDAOTarget"/></property> </bean> in the dispatcher-servlet like this: <bean name="welcome" class="com.bamboo.catW3.business.impl.Welcome"> <property name="successView"> <value>welcome</value> </property> <property name="catalogFacadeImpl"><ref local="**categoryDAOTarget**"/> </property> </bean> Is it posible some how? Thank you!

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• How would you go about tackling this problem? [SOLVED in C++]

  - by incrediman

  Intro: EDIT: See solution at the bottom of this question (c++) I have a programming contest coming up in about half a week, and I've been prepping :) I found a bunch of questions from this canadian competition, they're great practice: http://cemc.math.uwaterloo.ca/contests/computing/2009/stage2/day1.pdf I'm looking at problem B ("Dinner"). Any idea where to start? I can't really think of anything besides the naive approach (ie. trying all permutations) which would take too long to be a valid answer. Btw, the language there says c++ and pascal I think, but i don't care what language you use - I mean really all I want is a hint as to the direction I should proceed in, and perhpas a short explanation to go along with it. It feels like I'm missing something obvious... Of course extended speculation is more than welcome, but I just wanted to clarify that I'm not looking for a full solution here :) Short version of the question: You have a binary string N of length 1-100 (in the question they use H's and G's instead of one's and 0's). You must remove all of the digits from it, in the least number of steps possible. In each step you may remove any number of adjacent digits so long as they are the same. That is, in each step you can remove any number of adjacent G's, or any number of adjacent H's, but you can't remove H's and G's in one step. Example: HHHGHHGHH Solution to the example: 1. HHGGHH (remove middle Hs) 2. HHHH (remove middle Gs) 3. Done (remove Hs) -->Would return '3' as the answer. Note that there can also be a limit placed on how large adjacent groups have to be when you remove them. For example it might say '2', and then you can't remove single digits (you'd have to remove pairs or larger groups at a time). Solution I took Mark Harrison's main algorithm, and Paradigm's grouping idea and used them to create the solution below. You can try it out on the official test cases if you want. //B.cpp //include debug messages? #define DEBUG false #include <iostream> #include <stdio.h> #include <vector> using namespace std; #define FOR(i,n) for (int i=0;i<n;i++) #define FROM(i,s,n) for (int i=s;i<n;i++) #define H 'H' #define G 'G' class String{ public: int num; char type; String(){ type=H; num=0; } String(char type){ this->type=type; num=1; } }; //n is the number of bits originally in the line //k is the minimum number of people you can remove at a time //moves is the counter used to determine how many moves we've made so far int n, k, moves; int main(){ /*Input from File*/ scanf("%d %d",&n,&k); char * buffer = new char[200]; scanf("%s",buffer); /*Process input into a vector*/ //the 'line' is a vector of 'String's (essentially contigious groups of identical 'bits') vector<String> line; line.push_back(String()); FOR(i,n){ //if the last String is of the correct type, simply increment its count if (line.back().type==buffer[i]) line.back().num++; //if the last String is of the wrong type but has a 0 count, correct its type and set its count to 1 else if (line.back().num==0){ line.back().type=buffer[i]; line.back().num=1; } //otherwise this is the beginning of a new group, so create the new group at the back with the correct type, and a count of 1 else{ line.push_back(String(buffer[i])); } } /*Geedily remove groups until there are at most two groups left*/ moves=0; int I;//the position of the best group to remove int bestNum;//the size of the newly connected group the removal of group I will create while (line.size()>2){ /*START DEBUG*/ if (DEBUG){ cout<<"\n"<<moves<<"\n----\n"; FOR(i,line.size()) printf("%d %c \n",line[i].num,line[i].type); cout<<"----\n"; } /*END DEBUG*/ I=1; bestNum=-1; FROM(i,1,line.size()-1){ if (line[i-1].num+line[i+1].num>bestNum && line[i].num>=k){ bestNum=line[i-1].num+line[i+1].num; I=i; } } //remove the chosen group, thus merging the two adjacent groups line[I-1].num+=line[I+1].num; line.erase(line.begin()+I);line.erase(line.begin()+I); moves++; } /*START DEBUG*/ if (DEBUG){ cout<<"\n"<<moves<<"\n----\n"; FOR(i,line.size()) printf("%d %c \n",line[i].num,line[i].type); cout<<"----\n"; cout<<"\n\nFinal Answer: "; } /*END DEBUG*/ /*Attempt the removal of the last two groups, and output the final result*/ if (line.size()==2 && line[0].num>=k && line[1].num>=k) cout<<moves+2;//success else if (line.size()==1 && line[0].num>=k) cout<<moves+1;//success else cout<<-1;//not everyone could dine. /*START DEBUG*/ if (DEBUG){ cout<<" moves."; } /*END DEBUG*/ }

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