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• resolve access violation exception (0xC0000005) crashing IIS app pool

  - by Joseph

  IIS 7.5, server 2008 r2, classic asp and asp .net 2.0, 3.5 website same server, same app pool. The past 4 weeks thousands of these errors 'C0000005' are occurring. I know from IIS debug diag tool that 'C0000005' is an access violation error. Below is the top line from my debug diag report. In w3wp__PID__6656__Date__01_08_2011__Time_01_42_46AM__281__First Chance Access Violation.dmp the assembly instruction at asp!CActiveScriptEngine::GetApplication+27 in \\?\C:\Windows\System32\inetsrv\asp.dll from Microsoft Corporation has caused an access violation exception (0xC0000005) when trying to read from memory location 0x00000000 on thread 29 Thread 29 - System ID 6736 Entry point 0x00000000 Create time 1/8/2011 12:46:26 AM Time spent in user mode 0 Days 00:00:00.140 Time spent in kernel mode 0 Days 00:00:00.078 Function Source asp!CActiveScriptEngine::GetApplication+27 vbscript!COleScript::GetDebugApplicationCoreNoRef+2b vbscript!COleScript::FDebuggerEnabled+30 vbscript!COleScript::SetScriptSite+cd asp!CActiveScriptEngine::Init+125 asp!CScriptManager::GetEngine+252 asp!AllocAndLoadEngines+28f asp!ExecuteGlobal+17a asp!Execute+b5 asp!CHitObj::ViperAsyncCallback+3fc asp!CViperAsyncRequest::OnCall+6a comsvcs!CSTAActivityWork::STAActivityWorkHelper+32 ole32!EnterForCallback+f4 ole32!SwitchForCallback+1a8 ole32!PerformCallback+a3 ole32!CObjectContext::InternalContextCallback+15b ole32!CObjectContext::DoCallback+1c comsvcs!CSTAActivityWork::DoWork+12f comsvcs!CSTAThread::DoWork+18 comsvcs!CSTAThread::ProcessQueueWork+37 comsvcs!CSTAThread::WorkerLoop+135 msvcrt!_endthreadex+44 msvcrt!_endthreadex+ce kernel32!BaseThreadInitThunk+e ntdll!__RtlUserThreadStart+70 ntdll!_RtlUserThreadStart+1b BELOW is the faulting module. ASP report Executing ASP requests 0 Request(s) ASP templates cached 0 Template(s) ASP template cache size 0.00 Bytes Loaded ASP applications 1 Application(s) ASP.DLL Version 7.5.7600.16620 ASP application report ASP application metabase key Physical Path Virtual Root Session Count 0 Session(s) Request Count 0 Request(s) Session Timeout 0 minutes(s) Path to Global.asa Server side script debugging enabled False Client side script debugging enabled False Out of process COM servers allowed False Session state turned on False Write buffering turned on False Application restart enabled False Parent paths enabled False ASP Script error messages will be sent to browser False ASP!CACTIVESCRIPTENGINE::GETAPPLICATION+27In w3wp__PID__6656__Date__01_08_2011__Time_01_42_46AM__281__First Chance Access Violation.dmp the assembly instruction at asp!CActiveScriptEngine::GetApplication+27 in \\?\C:\Windows\System32\inetsrv\asp.dll from Microsoft Corporation has caused an access violation exception (0xC0000005) when trying to read from memory location 0x00000000 on thread 29 recent events: server was being brute forced by hackers all of Dec and probably earlier, they weren't able to gain access but did get a virus on and blasted out spam. insatlled AVG and about the 17 or 22 latest patches. after that the app pool started crashing and the server has crashed a couple times since then. I am in no mans land as I am a developer and not a sys admin but I have to assume many roles. So I'm reaching out for help. Sometimes I will see hundreds of these 'C0000005' scriptengine errors in the event log in a matter of seconds and other times just a few times an hour. I googled this line 'ASP!CACTIVESCRIPTENGINE::GETAPPLICATION' and got nothing. Its like the function don't exist or something. I have spent many hours google-ing to no avail and am now turning to the experts on the forums. Thank you for your help

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• Dynamic Layout in BI Publisher

  - by Manoj Madhusoodanan

  This blog tells about how to set dynamic layout of a BI Publisher report.Lets take a simple business scenario.If user wants to view the output in either PDF or EXCEL.Two ways we can achieve this.  1) If the output type is not a program parameter the we can choose the layout type at the time of submission in the SRS window. 2) If the report output type is a parameter we need to choose the layout at the time of submission of the request using FND_REQUEST.ADD_LAYOUT. Here I am discussing the second approach.Following components I have created for this scenario. 1) XXCUST - Sample Report : This program actually generates the XML data. It is linked with a RTF template.Note: At the time of creating this program you can uncheck Use in SRS to prevent users from submitting from SRS window.Because we are submitting this program from another concurrent program.Also is not required to add it to request group.2) XXCUST - Report Wrapper : This program calls XXCUST - Sample Report and exposed to user through SRS.3) SAMPLE_REPORT_WRAPPER : Executable which calls xxcust_sample_rep.main4) SAMPLE_REPORT_EXE : Executable which calls xxcust_sample_rep.report_main5) XXCUST - Sample Report Data Definition : Data Definition linked to XXCUST - Sample Report6) XXCUST - Sample Report Template : Template linked to XXCUST - Sample Report Data Definition 7) Package 8) RTF

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• Why google return soft 404 when I redirect on signup page?

  - by Hettomei

  Since one month, I've got an increased "soft 404" reported by google webmaster tools but work well for users. I made some fix but can't figure out how to solve it. Configuration (maybe useless): I have a website built with rails 3.1 Authentication is handled by the gem Devise Problem: On this page http://en.bemyboat.com/yacht-charter/9965-sailboat-beneteau-oceanis-43 when you click on "Ask a Boat request" (a simple form, in GET to : http://en.bemyboat.com/boat_requests/new/9965) you are redirected with the http status 302 to sign in, and then sent back to the new page if successfully sign in. Google tells me that the link on "ask a boat request" returns a soft 404. I can't make this form in "POST" (which will solve the problem) because we need to automatically redirect user to the good page after sign in. (the Gem Devise memorize the "get" link) To simplify, the question is: how to protect a private page with authentication, reached with a simple "get" and not to be penalized by google with "soft 404". Thank you. PS : this website suffer a lot about english translation... please don't care.

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• Bundling in visual studio 2012 for web optimization

  - by Jalpesh P. Vadgama

  I have been writing a series of posts about Visual Studio 2012 features. This series describes what are the new features in the Visual Studio 2012. This post will also be part of Visual Studio 2012 feature series. As we know now days web applications or site are providing more and more features and due to that we have include lots of JavaScript and CSS files in our web application.So once we load site then we will have all the JavaScript  js files and CSS files loaded in the browsers and If you have lots of JavaScript files then its consumes lots of time when browser request them. Following images show the same situation over there.   Here you can see total 25 files loaded into the system and it's almost more than 1MB of total size. As we need to have our web application of site very responsive and need to have high performance application/site, this will be a performance bottleneck to our site. In situation like this, the bundling feature of Visual Studio 2012 and ASP.NET 4.5 comes very handy. With the help of this feature we do optimization there and we can increase performance of our application. To enable this feature in Visual Studio 2012 we just made debug=”false” in web.config of our application like following. Now once you enable this feature and run this application in the browser to see your traffic it will have less items like following. As you can see in the above image there are only 8 items. So after enabling bundling it will automatically convert all js and css files into the one request. Isn’t that cool feature? This feature will surely going to have great impact on performance. Hope you like it. Stay tuned for more.. Till then happy programming!!

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• How to collaborate on features using github

  - by Robert Dailey

  github encourages 1 fork per user, so that that user can work independently on a feature and then request that feature to be accepted into the main repository via pull request. However, what if 2 developers need to collaborate on that feature? What is the ideal workflow for this? I could see a number of options: Both developers fork the original repository. Each developer pulls/pushes changes between each other's repository. This seems like a lot of work (tiny micro operations) and also creates a delay between changes, so increases the window for conflicts. Developer 1 forks from the main repository, developer 2 forks from developer 1. Same as #1 mainly but hopefully simplifies Developer 2's life a little? Developer 1 gives Developer 2 permissions to his own fork, so they both work out of the same central repository. Not sure if this is ideal. I'm also curious where branches come into this. Obviously there would be a branch for the feature itself but that branch can't exist in a single place, it would have to exist on multiple forks and be synchronized. Basically just really confused about this workflow, would like an approach for how this can be best accomplished.

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• Explicitly pass context object versus injecting with IoC

  - by SonOfPirate

  I have a layered service application where the service layer delegates operations into the domain layer for execution. Many of these operations need to know the context under which they are operation. (The context included the identity of the current user, culture information, etc. received from the caller.) For example, I have an API method that returns a list of announcements. The list is based on the current user's role and each announcement is localized to their culture. The API is a thin-facade that delegates to an Application Service in my domain layer. The Application Service method obviously needs to know the context of the current request/operation as another call to the same API from another user should result in a different list. Within this method, we also have logging that uses some of the context information so we a clear understanding of the context when the operation was performed (this is especially useful if something goes wrong.) While this is a contrived example, in the real world, my Application Services will coordinate operations with many collaborative components, any number of them also needing the context information. My choice is to pass the context to the Application Service which would then pass it with any calls to collaborators or have the IoC container satisfy the dependency the Application Service and any collaborators have on the context. I am wondering if it is considered good/bad, best practices/code smell, etc. if I pass the context object as a parameter to the domain methods or if injecting the context via an IoC container is preferred. (EDIT: I should mention that the context object is instantiated per-request.)

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• How to create an GUI that communicate with the USB Devices

  - by VINAYAK

  I am doing my Project using win 32 programming.I am just learning about win32 programming and able to create an UI.I want to communicate with an USB Device with that UI.SO,How can i go for that?Is there any predefined functions will be there are we need to create the function for communicating with the OS and get the devices List and got the details about them. My purpose is to , 1.Creating an UI that tells about the Basic information about the device(We want to send a control request to the device to get the descriptors). 2.For that first of all i want to communicate with the OS for device attachment.That will lead to get the information about the device and Enumeration takes place and then only i request the device information through descriptors by using standard Requests. 3.And also i want to create the driver for my device.That will also need to achieve for communicating with OS(Windows). So,can anyone help me about this?How can i achieve this or approach this? Note: I am at the entry level now so anyone give response will be in a detailed format like step by step process would be appreciable.

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• Determine Server specs for a Rails with MySQL database (on AWS)

  - by Rogier

  I developed a intranet applications with Rails (3.2) for one of my customers. There will be around 30-40 employees working with it. Backend is MySQL (5). What would be the best way to determine the servers specs needed? Given: max. load will be roughly 2400 (40*60) HTTP requests (mixed GET / POST) per hour. 15% of these calls are JSON calls (iOS) avg request will make between 5-10 database calls 500-800 SQL INSERTS per day webpages are fairly simple (no images, just text) avg webpage is 15 request (css/js/etc) and total size is 35-45 KB More specific, since they need access from multiple geographical locations, we are thinking of running a bitnami Ruby stack in the AWS cloud (uptime is important). Any thoughts on a AWS Instance (small/medium) and Utilization (light/medium/heavy) ? Thanks!

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• using munin-plugins-rails to monitor rails app perfromance

  - by user2099762

  I have been trying to configure munin-plugins-rails to monitor the performance of our rails apps from Munin. The graphs appear, but no data is shown in the graphs. The log files show Error output from : 2013/06/27-15:39:06 [5540] Request-log-analyzer, by Willem van Bergen and $ 2013/06/27-15:39:06 [5540] Website: http://railsdoctors.com I have tried running Request-log-analyzer manually and pointing it at the production log file, and this reports as % for every item. There is data in the log file. I have tried changing the version of the gems installed, and also the type of the log file, but no luck. Any ideas anyone? Thanks

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• EasyDiagram.NET

  - by csharp-source.net

  EasyDiagram.net is an open-source diagramming component that you can use to build interactive, feature rich diagramming. EasyDiagram.net supports AJAX style events (OnNodeRepositioned, OnNodeDoubleClicked, etc) and utilizes a nifty trick to perform real-time line drawing with pure Javascript.

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• Cool features of Visual Studio 2010

  Web development will be much smoother with Visual Studio 2010 specially if you are JavaScript, JQuery, or AJAX lover. I am really impressed with these few features added to Visual Studio 2010.

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• basic device that can connect to internet

  - by Hellnar

  Hello, I am looking for a cheap solution to my problem: I need to find either an already existing common device (that is used in restaurants, bars clubs) or a cheap new device that I will distribute to those places, which can connect to internet (via the already existing ethernet or wireless based internet) and do HTTP request/receive response and retrieve information ? (For instance can a POS device connect to internet?) For a project, I need to do identity validation on several restaurants and bars and not all of them have computers. So I will be giving "cheap and easy to use devices" and non-IT personal can use it to do http request to my server and get response. All I can think of is Cell phones and SMS.

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• How to add an exception to this rewrite rule

  - by codecowboy

  Hi, I need to change this so that one file in wp-admin is not forced through https: # add a trailing slash to /wp-admin RewriteCond %{REQUEST_URI} ^.*/wp-admin$ RewriteRule ^(.+)$ https://%{SERVER_NAME}/$1/ [R=301,L] This forces all requests to /wp-admin through SSL but it is breaking a wordpress plugin which needs to access wp-admin/admin-ajax.php. Is there a way to adjust the rule so that it will allow non encrypted requests to that one file? thanks!

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• Why won't IE let users login to a website unless in In Private mode?

  - by Richard Fawcett

  I'm not entirely sure this belongs on SuperUser.com. I also considered ServerFault.com and StackOverflow.com, but on balance, I think it should belong here? We host a website which has the same code responding to multiple domain names. On 28th December (without any changes deployed to the website) a percentage of users suddenly could not login, and the blank login page was just rendered again even when the correct credentials were entered. The issue is still ongoing. After remote controlling an affected user's PC, we've found the following: The issue affects Internet Explorer 9. The user can login from the same machine on Chrome. The user can login from an In Private browser session using IE9. The user can login if the website is added to the Trusted Sites security zone. The user can NOT login from an IE session in safe mode (started with iexplore -extoff). Only one hostname that the website responds to prevents login, the same user account on the other hostname works fine (note that this is identical code and database running server side), even though that site is not in trusted sites zone. Series of HTTP requests in the failure case: GET request to protected page, returns a 302 FOUND response to login page. GET request to login page. POST to login page, containing credentials, returns redirect to protected page. GET request to protected page... for some reason auth fails and browser is redirected to login page, as in step 1. Other information: Operating system is Windows 7 Ultimate Edition. AV system is AVG Internet Security 2012. I can think of lots of things that could be going wrong, but in every case, one of the findings above is incompatible with the theory. Any ideas what is causing login to fail? Update 06-Jan-2012 Enhanced logging has shown that the .ASPXAUTH cookie is being set in step 3. Its expiry date is 28 days in the future, its path is /, the domain is mysite.com, and its value is an encrypted forms ticket, as expected. However, the cookie is not being received by the web server during step 4. Other cookies are being presented to the server during step 4, it's just this one that is missing. I've seen that cookies are usually set with a domain starting with a period, but mine isn't. Should it be .mysite.com instead of mysite.com? However, if this was wrong, it would presumably affect all users?

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• Keeping rackspace vserver alive

  - by mit

  It appears to me that rackspace somehow freezes cloud VMs after some idle time. This means the first page request to a php page takes much longer to respond than the subsequent requests. I am actually querying a machine with wget from a different host now to keep it "alive". But I wonder what frequency would be necessary. Does anyone know the time period after which they send a VM to "sleep"? I guess it would be some minutes. EDIT: There is no caching involved on the php site. It just recently moved from another vhost and there was never such latency on the first request.

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• Service layer coupling

  - by Justin

  I am working on writing a service layer for an order system in php. It's the typical scenario, you have an Order that can have multiple Line Items. So lets say a request is received to store a line item with pictures and comments. I might receive a json request such as { 'type': 'Bike', 'color': 'Red', 'commentIds': [3193,3194] 'attachmentIds': [123,413] } My idea was to have a Service_LineItem_Bike class that knows how to take the json data and store an entity for a bike. My question is, the Service_LineItem class now needs to fetch comments and file attachments, and store the relationships. Service_LineItem seems like it should interact with a Service_Comment and a Service_FileUpload. Should instances of these two other services be instantiated and passed to the Service_LineItem constructor,or set by getters and setters? Dependency injection seems like the right solution, allowing a service access to a 'service fetching helper' seems wrong, and this should stay at the application level. I am using Doctrine 2 as a ORM, and I can technically write a dql query inside Service_LineItem to fetch the comments and file uploads necessary for the association, but this seems like it would have a tighter coupling, rather then leaving this up to the right service object.

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• Source of Unexplained Requests in Server Logs

  - by Synetech inc.

  Hi, I am baffled by some entries in my server logs, specifically the web-server logs. Other than normal, expected traffic, I have noticed three types of request errors (eg 404, etc.): Broken links, ie links from old, external pages that point to pages that are no longer here Sequences of probes, ie some jerk trying to hack in by scanning my server for a series of exploitable admin type pages and such What appear to be completely random requests for things that have never existed on the server or even have anything to do with the server, and appear by themselves (ie not a series of requests like the probes) Could it somehow be a mistyped URL or IP? That’s about the only thing that I can think of, but still, how could I get a request on say, foobar.dyndns.org (12.34.56.78) for something like www.wantsfly.com/prx2.php or /MNG/LIVE or http://ant.dsabuse.com/abc.php?auth=45V456b09m&strPassword=X%5BMTR__CBZ%40VA&nLoginId=43. (Those are a few actual requests from my logs.) Can someone please explain scenario three to me? Thanks.

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• wget has a 4 second delay

  - by guisius

  Hello. I have tried to wget a page with windows/mac, and the response is instant while the linux vesion needs to wait for 4 seconds before it shows the response. I just hope this can be solved. More information added: in Ubuntu : wget xxx://192.168.0.135/test.cgi?cmd= -O test.txt --2011-03-04 14:21:17-- xxx://192.168.0.135/test.cgi?cmd= Connecting to 192.168.0.135:80... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [text/html] Saving to: `test.txt' [ <=> ] 17 --.-K/s in 0s 2011-03-04 14:21:22 (1.88 MB/s) - `test.txt' saved [17] while in Mac OS : wget xxx://192.168.0.135/test.cgi?cmd= -O test.txt --2011-03-04 14:22:33-- xxx://192.168.0.135/test.cgi?cmd= Connecting to 192.168.0.135:80... connected. HTTP request sent, awaiting response... 200 OK Length: unspecified [text/html] Saving to: `test.txt' [ <=> ] 17 --.-K/s in 0s 2011-03-04 14:22:33 (755 KB/s) - `test.txt' saved [17] in ubuntu it delays 4 seconds while windows and mac will not i believe it may related to some setting in the network config such as packet size , window frame , but i have no idea to set this PS: because the limit of the post not allow to post the url so i mark this as xxx

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• Cloud9 IDE : première offre Cloud de Développement-as-a-Service open-source, issue d'un projet de la fondation Mozilla

  Cloud9 IDE : première offre Cloud de Développement-as-a-Service Open-source, issue d'un projet de la fondation Mozilla Ajax.org vient de lancer une nouvelle plate-forme de développement entièrement Cloud écrite en JavaScript et HTML5 : Cloud9 IDE. La nouvelle plate-forme, issue de la fusion avec le projet Skywriter (ex. Bespin) de la fondation Mozilla est destinée à faciliter et accélérer le développement, le test et le déploiement des applications Web et mobiles. En plus des standards Web, l'IDE-as-a-Ser...

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• Chrome Facebook Issue Ubuntu 11.10

  - by David Gaviria Piedrahita

  Facebook, navigating with Google Chrome 15.0.874.121 and using Ubuntu 11.10, when i try to comment, chat or give a "like it" the next blank page appears and don't let me do anything: http://www.facebook.com/ajax/ufi/modify.php I've tried with, based on what i found in internet: Erasing cookies and cache desynchronize chrome before erasing it Uninstalling chrome with: sudo apt-get purge google-chrome-stable Erasing manually: /.config/google-chrome directory And nothings solves the problem, Any ideas, would appreciate your help Thanks

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• Ubuntu getting wrong hostname from DHCP

  - by sam

  When provisioning new Ubuntu Precise (12.04) servers, the hostname they're getting seems to be generated from the DNS search path, not a reverse lookup on the hostname. Take the following configuration BIND is configured with the hostname, and reverse name Normal zone $TTL 600 $ORIGIN srv.local.net. @ IN SOA ns0.local.net. hostmaster.local.net. ( 2014082101 10800 3600 604800 600 ) @ IN NS ns0.local.net. @ IN MX 5 mail.local.net. my-new-server IN A 10.32.2.30 And reverse @ IN SOA ns0.local.net. hostmaster.local.net. ( 2014082101 10800 3600 604800 600 ) @ IN NS ns0.local.net. $ORIGIN 32.10.in-addr.arpa. 30.2 IN PTR my-new-server.srv.local.net. Then DHCPD is configured to hand out static leases based on mac addresses like so subnet 10.32.2.0 netmask 255.255.254.0 { option subnet-mask 255.255.254.0; option routers 10.32.2.1; option domain-name-servers 10.32.2.1; option domain-name "util.of1.local.net of1.local.net srv.local.net"; site-option-space "pxelinux"; option pxelinux.magic f1:00:74:7e; if exists dhcp-parameter-request-list { option dhcp-parameter-request-list = concat(option dhcp-parameter-request-list,d0,d1,d2,d3); } group { option pxelinux.configfile "pxelinux.cfg/pxeboot"; host my-new-server { fixed-address my-new-server.srv.local.net; hardware ethernet aa:aa:aa:bb:bb:bb; } } } So the hostname should be my-new-server.srv.local.net, however when building a Ubuntu 12.04 node, the hostname ends up as my-new-server.util.of1.local.net When building Lucid (10.04) hosts, the hostname will be correct, it's only on Precise/12.04 nodes we have the problem. Doing a normal and reverse lookup on the host and IP returns the correct result Sams-MacBook-Pro:~ sam$ host my-new-server my-new-server.srv.local.net has address 10.32.2.30 Sams-MacBook-Pro:~ sam$ host my-new-server.srv.local.net my-new-server.srv.local.net has address 10.32.2.30 Sams-MacBook-Pro:~ sam$ host 10.32.2.30 30.2.32.10.in-addr.arpa domain name pointer my-new-server.srv.local.net. The contents of the hosts file is incorrect too 127.0.0.1 localhost 127.0.1.1 my-new-server.util.of1.local.net of1.local.net srv.local.net my-new-server So it looks like when it creates the hosts file, it puts the entire contents of the DNS search path into the local address so the FQDN according to the server is the short hostname as defined, then the first domain in the search path. Is there a way to get around this behaviour, or fix this so it gets the hostname correctly? It's picking up the first part of the hostname, then the rest is wrong.

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• How stable are Single Page Application (SPA) build with Microsoft .Net for enterprise application [on hold]

  - by Husrat Mehmood

  Imagine a situation where you have your data loading to your application via REST Api,you are building a responsive application(ajax request) for an Enterprise. What potential problems might I run into for a single page application(SPA) using Microsoft Asp.Net Web application build using MVC template? Are there advantages to just designing a multi-page application using asp.net mvc 5 remember I am using SPA for an Enterprise Application where there are role based views for the users.?

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• Domain Transfer Protection - need advice

  - by Jack

  Hey, I am about to purchase a domain name for a bit of money. I do not personally know the person who I am purchasing the domain name from, we have only chatted via email. The proposed process for the transfer is: The owner of the domain lowest the domain name security and emails me the domain password, I request the transfer After the request, I transfer the money via PayPal When the money has been cleared the current domain name owner confirms the transfer via the link that he receives in that email I wait for it to be transferred. The domain is currently registered with DirectNIC - http://www.directnic.com/ Is this the best practice? Seeing I am paying a bit of money for this domain name, I am worried that after the money has been cleared that I won't see the domain name or hear from the current domain name owner again. Is there a 'domain governing body' which I can report to if this is the case? Is the proposed transfer process the best solution? Any advice would be awesome. Thanks! Jack

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• nginx timeout albeit ridicolous configuration

  - by Joa Ebert

  The scenario is an API server that should handle uploads. Posting on my.host.com/api/upload should do something with the body the client sends. However the API server has been designed to block the whole request until it fully processed the file, including some analysis which can take up to approx. 5min (...!). This has to change of course. In the meantime I wanted to setup nginx as a load balancer in front of the API servers. I quickly ran into a timeout issue, consulted Google and came up with this ridiculous test configuration: user www-data; worker_processes 4; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; access_log off; sendfile on; send_timeout 3600; keepalive_timeout 3600 120; tcp_nopush on; tcp_nodelay on; gzip off; client_header_timeout 3600; client_body_timeout 3600; proxy_send_timeout 3600; proxy_read_timeout 3600; proxy_connect_timeout 1800; proxy_next_upstream error; include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; } And upstream test { server host1; server host2; } server { listen 80; server_name my.host.com; client_max_body_size 10m; location /api/ { proxy_pass http://test; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header Host $host; proxy_redirect off; } } Still, when an upload happens, I get the following result in the error.log: 2010/12/22 13:36:42 [error] 5256#0: *187359 upstream timed out (110: Connection timed out) while reading response header from upstream, client: xx.xx.xx.xx, server: my.host.com, request: "POST /api/upload HTTP/1.1", upstream: "http://apiserver:80/upload", host: "my.host.com" What else could I do? If I look at the log of the API server I still see that it is processing the request and analyzing the file. But I think 3600 seconds as a timeout should be more than enough. This happens even after a could of seconds. And I did a reload and force-reload of the configuration as well of course.

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• thick client migration to web based application

  - by user1151597

  This query is related to application design the technology that I should consider during migration. The Scenario: I have a C#.net Winform application which communicates with a device. One of the main feature of this application is monitoring cyclic data(rate 200ms) sent from the device to the application. The request to start the cyclic data is sent only once in the beginning and then the application starts receiving data from the device until it sends a stop request. Now this same application needs to be deployed over the web in a intranet. The application is composed of a business logic layer and a communication layer which communicates with the device through UDP ports. I am trying to look at a solution which will allow me to have a single instance of the application on the server so that the device thinks that it is connected as usual and then from the business logic layer I can manage the clients. I want to reuse the code of the business layer and the communication layer as much as possible. Please let me know if webserives/WCF/ etc what i should consider to design the migration. Thanks in advance.

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