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• (Apache) Weird characters with Roundcube (PHP)

  - by thonixx

  Yes, i saw all the questions about the weird characters at the end of a PHP script. I will ask here because no solution from the internet and serverfault worked. At this page: https://webmail.pixelwolf.ch/test/ there are some mysterious characters. And that's the problem why my Roundcube does not work. What I already checked and tried: 1. added AddDefaultCharset UTF-8 2. changed to AddDefaultCharset to ISO xxx (dont know the string right now) 3. php5filter disabled 4. gzip checked (according to php returns junk characters at end of everything) but characters remain there For notice: on my local server there aren't any of those characters. On local it just works. So what can I check further?

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• VirtualBox 3.2 Release

  - by [email protected]

  The latest version of VirtualBox is out - version 3.2.  It is the first release as Oracle VirtualBox and there are a lot of new features.  Many of these I see directly impacting the Oracle VDI solution in upcoming releases (just my guess, of course), and I am updating my notebook as I write this. Er... OK - Done!There are enough features that they warrant you taking a look at this two-page VirtualBox Community Bulletin.pdf.  No point in me restating them.If you and your organization haven't tried VirtualBox, or you haven't looked at it in a while, you owe it to yourself to give this a run.  This is small, simple, powerful, software that allows you to do way more than most people would ever need in hosting a Virtual machine on you local machine.  I routinely will do a demo on a two-year-old Macbook running OS X locally, plus a Solaris 10 VM running the Sun Ray server, and a Windows XP VM and hang a couple Sun Rays off of it - and the performance is stellar.You can subscribe to the mailing lists and get access to the Beta releases as they come out as well, if you are into 'bleeding edge'.40,000 downloads a day is the current rate (before this new release), but it will jump for sure now.  Might as well join in!  

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• Reverse rdesktop or VNC overlay image!

  - by carlesso

  Hi all. I've got a central server (linux based) and many clients (Windows XP Embedded, afaik) in public places around my country. I need to have these clients to connect to the server with a "reverse" tunnel, that is to say that I need to control the clients from the server but the connection is initialized by clients. The requirement is that, during the connection, an overlay image (or something like that, like a modified version of login screen) is displayed. Some stuff like "Work In Progress". My first idea was to use vncviewer -listen and vnc in reverse mode, but cannot understand how to obfuscate the work I'm doing. Other idea was to use rdesktop in "reverse" mode, but it seems it does not support it. Using rdekstop reverse seems the nicest solution (I can login back the user was in before connection, the login manager - which I can modified - is displayed), but any hint will be appreciated! Thanks in advance!

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• How to ignore query parameters in web cache?

  - by eduardocereto

  Google Analytics use some query parameters to identify campaigns and to do cookie control. This is all handled by javascript code. Take a look at the following example: http://www.example.com/?utm_source=newsletter&utm_medium=email&utm_ter m=October%2B2008&utm_campaign=promotion This will set cookies via JavaScript with the right campaign origin. This query parameters can have multiple and sometimes random values. Since they are used as cache hash keys the cache performance is heavily degraded in some scenarios. I suppose there's a not so hard configuration on cache servers to just ignore all query parameters or specific query parameters. Am I right? Does anyone know how hard is it in popular web cache solutions, to create ? I'm not interested in a specific web cache solution. It would be great to hear about the one you use.

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• Mindtouch with fcgid - Fast CGI apache worker thread.

  - by Stephan Kristyn

  Anyone got Dekiwiki / Mindtouch running with fcgid-module? I get 504 and 500 all the time. mod_fcgid: can't apply process slot for /var/www/html/dekiwiki/index.php [Tue Dec 28 06:14:03 2010] [warn] (104)Connection reset by peer: mod_fcgid: read data from fastcgi server error. [Tue Dec 28 06:14:03 2010] [error] [client 92.75.107.53] Premature end of script headers: index.php I'm currently fiddling with SuExec and fast-cgi wrapper directory permissions, because I also employ a chrooted SFTP jail. Sometimes the first line about the process slot does not appear now. I found a solution in german and will work it through now. http://debianforum.de/forum/viewtopic.php?f=8&t=122758&start=15

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• How do you handle reboots?

  - by Mart

  We have one VPS (Windows 2008 R2+IIS7.5), with an asp.net mvc 3 application. The main question is: how to handle issues when Windows needs to reboot? (after installing Windows Updates or anything else). The goal is to make the website 24/7, but first it's ok to show a message to the users. (we'll be back soon, something like app_offline.htm) Our application uses SQL and also writes/reads some files (uploaded photos, documents) which are not stored in SQL. What do you recommend? Load balancing with ARR? (with 1+2 servers, but what if the front-end server needs reboot?) Windows failover cluster? SQL failover cluster? What to do with uploaded files? I really don't know what would be the best (and simplest) solution.

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• Domain connection shows as "unauthenticated"

  - by gareth89

  I have seen various different questions for this problem floating around but either the circumstances arent the same or the solution doesnt work so thought i would post it to see if anybody has any suggestions. Various domain PCs and laptops appear to randomly give the connection name of "lewis.local 2(Unauthenticated)" - lewis.local being our domain - and provides an exclamation mark where the network type logo is normally shown. This also appears to happen every time connecting via vpn. Our setup is: 2 servers both running windows server 2003 R2 (x32) main server has AD, DNS and DHCP installed IPv4 on approx 30 client machines (some wired, some wireless) If anybody has any thoughts on solutions i would appreciate it. I have tried removing all but AD server roles, resetting all of the systems and nothing. It doesnt prevent anything from working just like a domain connection most of the time however it is getting fustrating! Also dont know if it could have anything to do with it but the DHCP server seems to have quite a long lead time on issuing the IP address to the client.

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• links for 2010-12-15

  - by Bob Rhubart

  Pravin Janardanam: Security in OBIEE 11g, Part 1 Guest blogger Pravin Janardanam kicks off a two-part series in which he tackles the differences in security between OBIEE 11g and 10g, and provides some hints on security migration from a 10g environment. (tags: oracle otn businessintelligence obiee) HttpClusterServlet Configuration (Weblogic Server Acting as a Proxy) Quick tips from Divay Dureja. (tags: oracle weblogic servlet configuration) Accelerating Deployment of Virtualized Infrastructures with the Oracle VM Blade Cluster Reference Configuration "The Oracle VM blade cluster reference configuration is a single-vendor solution that addresses every layer of the virtualization stack with Oracle hardware and software components." - from the white paper. (tags: oracle otn oraclevm virtualization) A SOA Safari (Antony Reynolds' Blog) SOA author Antony Reynolds shares links to some of his favorite SOA titles available for reading on Safari. (tags: oracle otn soa) Using Crossbow and Solaris 11 Express Zones for a single machine proof of concept environment with Puppet "My last blog entry was about my debugging experience with Puppet and promise to share the setup that I used. I now follow up that previous entry with this one which describes my Crossbow + NAT + S11 Zones proof of concept." - Michael Tin (tags: oracle solaris crossbow) @myfear: One thing you did not know about Java EE class loading in GlassFish 2.x "Be careful migrating apps from one app server to the other. And don't expect to have a strong hierarchical class loader in place. That is especially true for GF 2.x class loading." Oracle ACE Director Markus Eisele (tags: oracle otn oracleace java glassfish weblogic)

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• Network - Routers conflicting in my subnet

  - by Richard

  I have a router whose IP is 192.168.1.1 and I be experiencing conflict with another router on my subnet (which probably has 192.168.1.1 as IP too). I think when it tries to connect to the network, eventually taking the place of my router because when I try to access the config page of my router, which appears to me is a config page from another router that is not mine. Do you have any solution except to change the IP of my router to an IP not common? As I have set up the exclusivity that only my IP router? I work with dynamic IPs (wireless networking) and static (for wired). How do I? I just wanna to do some setting in my router that affects all other, so that doesn't conflicts anymore.

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• Persisting right click menu highlight

  - by Charlie Somerville

  I used to have this problem sometimes in Vista, but now I'm using Windows 7 (it was a clean install, reformatted hard drive) I'm disappointed that it's happening again. Basically what happens is sometimes when I right click on something and click an entry in the context menu, the highlight from entry remains on the screen, in front of everything else. I can get rid of it by changing my theme to Aero Basic and back again, but it's not a nice solution as it takes too long and often once I get rid of it, it comes back. Here you can see an example of what's happening - the highlight is there from Chrome's context menu. Does anyone know how to fix this?

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• wired connection not working in ubuntu 12.04 on lenovo G580 laptop

  - by shravankumar

  I found solution in http://www.zyxware.com/articles/2680/solved-wired-connection-eth0-not-detected-in-ubuntu-12-04 I downloaded compact-wireless-2012-07-03-p.tar.bz2 Here the steps i followed along with output 1. shravankumar@shravankumar-Lenovo-G580:~/Desktop/compat-wireless-2012-07-03-p$ scripts/driver-select alx Output: Processing new driver-select request... Backup exists: Makefile.bk Backup exists: Makefile.bk Backup exists: drivers/net/ethernet/broadcom/Makefile.bk Backup exists: drivers/net/ethernet/atheros/Makefile.bk Backup exists: Makefile.bk Backup exists: Makefile.bk Backup exists: drivers/net/ethernet/broadcom/Makefile.bk 2.shravankumar@shravankumar-Lenovo-G580:~/Desktop/compat-wireless-2012-07-03-p$ make output: make -C /lib/modules/3.2.0-23-generic/build M=/home/shravankumar/Desktop/compat-wireless-2012-07-03-p modules make[1]: Entering directory `/usr/src/linux-headers-3.2.0-23-generic' scripts/Makefile.build:44: /home/shravankumar/Desktop/compat-wireless-2012-07-03-p/drivers/net/ethernet/atheros/alx/Makefile: No such file or directory make[4]: *** No rule to make target `/home/shravankumar/Desktop/compat-wireless-2012-07-03-p/drivers/net/ethernet/atheros/alx/Makefile'. Stop. make[3]: *** [/home/shravankumar/Desktop/compat-wireless-2012-07-03-p/drivers/net/ethernet/atheros/alx] Error 2 make[2]: *** [/home/shravankumar/Desktop/compat-wireless-2012-07-03-p/drivers/net/ethernet/atheros] Error 2 make[1]: *** [_module_/home/shravankumar/Desktop/compat-wireless-2012-07-03-p] Error 2 make[1]: Leaving directory `/usr/src/linux-headers-3.2.0-23-generic' make: *** [modules] Error 2 3. hravankumar@shravankumar-Lenovo-G580:~/Desktop/compat-wireless-2012-07-03-p$ make install output: FATAL: Could not open /lib/modules/3.2.0-23-generic/modules.dep.temp for writing: Permission denied make: *** [uninstall] Error 1 4. shravankumar@shravankumar-Lenovo-G580:~/Desktop/compat-wireless-2012-07-03-p$ modeprobe alx output: No command 'modeprobe' found, did you mean: Command 'modprobe' from package 'module-init-tools' (main) modeprobe: command not found I am new to Ubuntu ,Please help me. Thanks in advance

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• Cannot import video from a DV camcorder over FireWire

  - by qbeuek

  I have a JVC GR-D320 miniDV camcorder that has a FireWire interface. I recently upgraded to Windows 7 RTM (64 bit, fresh installation). When I connect my camcorder through FireWire, I can see it in Device Manager without any warnings or problems, but I cannot capture videos from my miniDV tapes. After connecting, AutoPlay displays "Import Video could not find a compatible digital video device. Verify that the digital video device is properly connected and turned on." When using Windows Live Photo Gallery after selecting the import option, my camera is not listed. The camera used to work perfectly on the same hardware before upgrading to Windows 7 RTM 64 bit (it used to work fine on Windows XP SP3 32 bit). Googleing revealed that people had the exact same problems in Vista, but no solution was provided. Any help?

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• links for 2010-06-17

  - by Bob Rhubart

  Live Webcast: Alcatel-Lucent Delivers Modern Customer User Experience with New Interactive Portal Saeed Hosseiniyar (CIO of Alcatel-Lucent’s Enterprise Products Group) and Andy MacMillan  (VP of Product Management for Oracle’s Enterprise 2.0 Solutions) discuss how  Alcatel used Oracle’s Enterprise 2.0 solutions to build a community and  give customers a rich interactive experience. (tags: oracle otn webcast enterprise2.0) Up Next, More Browser Tools for WebCenter Sharing | The AppsLab On the heels of our bookmarklet for sharing to WebCenter, today we were designing another other way to help people interact with WebCenter from the browser (tags: ping.fm oracle e20) BPM 11gR1 now available on Amazon EC2 "This is a fully configured image which requires absolutely no installation and lets you get hands on experience with the software within minutes," says  Prasen Palvankar. "This image has all the required software installed and configured." (tags: oracle otn bpm amazon ec2) Webcast: Introducing Next-Generation Business Process Management Hasan Rizvi, Senior Vice President, Oracle Product Development, discusses innovations in Oracle's new BPM Suite 11g in this webcast. (tags: oracle otn webcast bpm) Tim Pinchetti: Architecture as a navigation system "Metaphors have value in communicating different aspects of architecture. So I’d like to explore different perspectives on architecture using different metaphors, starting with: navigation!" -- Tim Pinchetti  (tags: architecture enterprisearchitecture entarch) Oracle Fusion Middleware Innovation Awards 2010 Nominate your organization today for a chance to be recognized for your cutting-edge solution using Oracle Fusion Middleware products. (tags: oracle openworld fusionmiddleware innovation) Oracle OpenWorld Key Financials Sessions Theresa Hickman with highlights on the some of the 70 financial sessions scheduled for Oracle Open World,  crossing all the financials product lines: e-Business Suite, JD Edwards, PeopleSoft, and Fusion. (tags: oracle otn openworld financials) Liberate Your Laptops! The Return of Virtual Developer Day Details on the upcoming Oracle Technology Network Virtual Developer Day - Tuxedo. (English-language version scheduled for July 27th.)  (tags: oracle tuxedo virtualbox otn) Webcast: Effective Smart Data Grid Management David Haak (Accenture), Brad Williams (Oracle), and Chris Foretich (Southern) discuss the strategy behind and the application of smart data grid technology in this on-demand webcast.  (tags: ping.fm oracle bpm)

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• Extract segments from FLV file?

  - by overtherainbow

  Hello I'm no expert with editing videos, and I need to rip a few segments from an FLV file, and then upload some of them to YouTube. I don't know if I need to convert FLV to AVI for YouTube to accept them. I've taken a look at VirtualDub + the FLV plug-in but the video isn't displayed correctly. I also tried AviDemux, but I couldn't find how to extract a segment after setting the A/Start and B/End points. Does someone know of a good solution to do this on Windows? Thank you.

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• Configuring a Jetty web application on a different port

  - by sHz

  Hi folks, I'm brand new to Jetty. I'd like to ask if its possible to have Jetty listening on port 8080, however where specified, serve a specific web application under say /var/jetty/webapps/<appname> (default on CentOS) served on say port 10000 instead of http://localhost:8080/<appname> i.e. http://localhost:10000/ = http://localhost:8080/<appname&gt; ? If so, what configuration changes would be required to make this work without an additional proxy server? I've googled away, but haven't found a solution (perhaps I've missed something obvious?).

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• Visual Studio hangs Windows

  - by Kronikarz

  I have: Windows XP Pro SP3 with latest updates, drivers, .NET, etc. Pentium 4 2.8GHz 2GB RAM 150GB HD ATI Radeon HD 3400 Recently (as early as a week ago) Visual C++ (both 2005 Pro and 2008 Express) started hanging up my computer. Whenever they are run, after 5-20 minutes of work the computer freezes. Everything becomes unresponsive, including the mouse cursor. No combination of keys does anything. What's strange, is that Winamp/Firefox continues to play whatever it was playing at the time (internet radio, mp3 playlist, etc). The only thing I can do is a hard reboot. I've run CCleaner and a full AVG antivirus scan, both of which found nothing suspicious. Does anyone know of a solution to this problem?

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• SQL 2008 Mirroring, how to failover from the mirror database?

  - by Luis

  I have configured a database mirroring setup in SQL 2008 using the High-safety, Synchronous mode, without automatic failover. I don't have a Witness instance. Regarding high availability, I understand Mirroring is a better strategy than Log Shipping (faster and smoother failover), and cheaper than Clustering (because of license and hardware costs). According to the MS docs, to do the failover you need to access to the Principal database and in the "Mirror" options click the "Failover" button. But I want to do this from the Mirror database, because what would be the benefit as all this setup is being done in case the Principal server knocks down? Evidently I am missing something. If Mirroring is not a solution for server downtime (as would be Clustering, if I understand correctly), then which practical (i.e. real world examples) cases would benefit from Mirroring for high-availability purposes? Thank you very much for your response! I really need some enlightment.

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• Improving SpriteBatch performance for tiles

  - by Richard Rast

  I realize this is a variation on what has got to be a common question, but after reading several (good answers) I'm no closer to a solution here. So here's my situation: I'm making a 2D game which has (among some other things) a tiled world, and so, drawing this world implies drawing a jillion tiles each frame (depending on resolution: it's roughly a 64x32 tile with some transparency). Now I want the user to be able to maximize the game (or fullscreen mode, actually, as its a bit more efficient) and instead of scaling textures (bleagh) this will just allow lots and lots of tiles to be shown at once. Which is great! But it turns out this makes upward of 2000 tiles on the screen each time, and this is framerate-limiting (I've commented out enough other parts of the game to make sure this is the bottleneck). It gets worse if I use multiple source rectangles on the same texture (I use a tilesheet; I believe changing textures entirely makes things worse), or if you tint the tiles, or whatever. So, the general question is this: What are some general methods for improving the drawing of thousands of repetitive sprites? Answers pertaining to XNA's SpriteBatch would be helpful but I'm equally happy with general theory. Also, any tricks pertaining to this situation in particular (drawing a tiled world efficiently) are also welcome. I really do want to draw all of them, though, and I need the SpriteMode.BackToFront to be active, because

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• How do I change the font formatting of cells in Google Spreadsheets?

  - by NoCatharsis

  I am trying to add checkboxes to a spreadsheet in Google Spreadsheets. I found an interesting solution to this problem here in Google's help. The second post on that thread states you can just format the cell to Wingdings 2 and certain characters will correspond to a checkbox. Now the problem is I have no idea how to change the font of a cell, as the Format menu only has 6 font options. How can I add or use other fonts? Bonus question: Is this even the best way to do what I'm trying to do, considering Google Spreadsheets does not support checkboxes or dropdowns?

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• How do I change the font formatting of cells in Google Spreadsheets?

  - by NoCatharsis

  I am trying to add checkboxes to a spreadsheet in Google Spreadsheets. I found an interesting solution to this problem here in Google's help. The second post on that thread states you can just format the cell to Wingdings 2 and certain characters will correspond to a checkbox. Now the problem is I have no idea how to change the font of a cell, as the Format menu only has 6 font options. How can I add or use other fonts? Bonus question: Is this even the best way to do what I'm trying to do, considering Google Spreadsheets does not support checkboxes or dropdowns?

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• My Unicomp Model M is double-striking on a key. What to do?

  - by Alex

  I realize this isn't strictly a computer-related question, but I figured that if there's any place to go for help about a broken keyboard, it would be a power users' forum. The O key on my Unicomp Model M has the tendency to strike twice. In other words, I press the key once, and it sends out two letters. There is probably a mechanical solution to this, but I'm not familiar enough with how these things work to come up with a fix myself. Has anyone had this problem?

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• Run one virtual machine on a Linux server + standard Linux functions

  - by fistameeny

  Hi, I am looking for a method to setup a Linux server (running Ubuntu Server) that uses Samba for file sharing, as well as hosting a Windows virtual machine (in this case, Windows Small Business Server 2003, which in turn hosts SQL Server Express - Exchange won't be used on this). I would like to have the Linux server serving the files over Samba, and hosting the Virtual Machine. This obviously rules ESXi out as it couldn't do Samba at the same time. What would be the next best solution to give reasonable speed? Vmware Server 2.0, VirtualBox, Xen? There will be 10-15 users accessing the Samba shares and the SQL Express virtual machine. Matt

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• MySQL replication/connection failing over SSL

  - by Marcel Tjandraatmadja

  I set up two MySQL servers where one is replicating from the other. They both work perfectly, but once I turn on SSL I get the following error: ERROR 2026 (HY000): SSL connection error I get the same error running from command line like so: mysql --ssl=1 --ssl-ca=/etc/mysql/certificates/ca-cert.pem --ssl-cert=/etc/mysql/certificates/client-cert.pem --ssl-key=/etc/mysql/certificates/client-key.pem --user=slave --password=slavepassword --host=master.url.com Both MySQL servers are running on version 5.0.77. There is a difference that MySQL in the master server was compiled under x86_64 while in the slave server under i686. Also both machines are running CentOS 5. Plus I generated certificates as per this page. Any idea for finding a solution?

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• Secure external connection to SQL Server (from third party software)

  - by Bart

  I have a SQL Express 2008 R2 server running on a server in an internal lan network. A few databases are used by some third party software to store data. A SQL-Server user is used by this application to connect to the database. Now I need to access this database using a local installation of the software from an external pc. In this particular case a VPN connection is not the solution I am looking for. I have access to an external linux server, so I tried ssh tunneling from the windows server to the linux server and use the external pc to tunnel it back from the linux server to the client, but this is working very very slow. What are my other options to allow this external connection in a safe way?

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• Writing the correct value in the depth buffer when using ray-casting

  - by hidayat

  I am doing a ray-casting in a 3d texture until I hit a correct value. I am doing the ray-casting in a cube and the cube corners are already in world coordinates so I don't have to multiply the vertices with the modelviewmatrix to get the correct position. Vertex shader world_coordinate_ = gl_Vertex; Fragment shader vec3 direction = (world_coordinate_.xyz - cameraPosition_); direction = normalize(direction); for (float k = 0.0; k < steps; k += 1.0) { .... pos += direction*delta_step; float thisLum = texture3D(texture3_, pos).r; if(thisLum > surface_) ... } Everything works as expected, what I now want is to sample the correct value to the depth buffer. The value that is now written to the depth buffer is the cube coordinate. But I want the value of pos in the 3d texture to be written. So lets say the cube is placed 10 away from origin in -z and the size is 10*10*10. My solution that does not work correctly is this: pos *= 10; pos.z += 10; pos.z *= -1; vec4 depth_vec = gl_ProjectionMatrix * vec4(pos.xyz, 1.0); float depth = ((depth_vec.z / depth_vec.w) + 1.0) * 0.5; gl_FragDepth = depth;

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