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• How are SaaS/Mult-Tenancy apps implementing email notifications (sending and receving)?

  - by Mark Redman

  Given multi-tenant application, How are vendors implementing email notifications from an email account setup and programming perspective: Sending emails could come from a generic account: eg [email protected] or [email protected], this seems reasonable considering reply addresses and lilnks can be contained within the email contents. Receiving Emails: How would an application receive email, for instance; to generate support tickets or assign comments in an email to a project/task. I have seen ID's within the subject and some reply to addresses containing the account name eg: [email protected] I realise one can programatically connect to a pop3 server and receive emails and look for the IDs with the subject, but is there a way of setting up and receiving email to a single pop3 account from multiple sub-host name email addresses (not sure on terminology there) eg: [email protected] or [email protected] and check the Account Name from the address? (similar to checking subdomains on a URL) Any practices, experience, comments or sughestions? (not sure its relevant, but using C# asp.net-mvc and services etc)

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• htaccess to change url

  - by Guo Hong Lim

  I have the following code in my .htacess but it didn't work right. Is it because mod-rewrite is no "on", if so, how can i check? Options +FollowSymlinks RewriteEngine on RewriteRule ^(.*)\$ $1.php [nc] I wanted to rename my address, example: http://www.abc.com - http://www.abc.com http://abc.com - http://www.abc.com http://www.abc.com/123.html - http://www.abc.com/123 http://www.abc.com/12-12-12.html - http://www.abc.com/12-12-12 http://subdomain.abc.com/123.html - http://subdomain.abc.com/123 Basically removing the extension and ensuring that its www is intact.

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• Why does installing NVidia 9600GT graphics card, take 1GB of RAM away from Windows?

  - by Nick G

  Hi, I've changed graphics cards in my PC and now Windows 7 (32bit) is reporting that I have a whole gigabyte less physical RAM in my PC. Why is this? Firstly, the machine has 4GB of physical RAM. The old card was an ATI 2600XT with 256MB and the new card is an NVidia 9600GT with 512MB. With the ATI card windows sees 3326MB. With the NVidia card, windows sees 2558MB. I realise that due to address space restrictions I will not see all 4GB with 32bit windows, but why is there such a massive loss of RAM when simply changing cards (bearing in mind BOTH cards have their own RAM and borrow no main memory like some built on chipsets do). Would using 64 bit windows solve this? Thanks Nick.

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• Django query: Count and Group BY

  - by Tyler Lane

  I have a query that I'm trying to figure the "django" way of doing it: I want to take the last 100 calls from Call. Which is easy: calls = Call.objects.all().order_by('-call_time')[:100] However the next part I can't find the way to do it via django's ORM. I want to get a list of the call_types and the number of calls each one has WITHIN that previous queryset i just did. Normally i would do a query like this: "SELECT COUNT(id),calltype FROM call WHERE id IN ( SELECT id FROM call ORDER BY call_time DESC LIMIT 100 ) GROUP BY calltype;" I can't seem to find the django way of doing this particular query. Here are my 2 models: class Call( models.Model ): call_time = models.DateTimeField( "Call Time", auto_now = False, auto_now_add = False ) description = models.CharField( max_length = 150 ) response = models.CharField( max_length = 50 ) event_num = models.CharField( max_length = 20 ) report_num = models.CharField( max_length = 20 ) address = models.CharField( max_length = 150 ) zip_code = models.CharField( max_length = 10 ) geom = models.PointField(srid=4326) calltype = models.ForeignKey(CallType) objects = models.GeoManager() class CallType( models.Model ): name = models.CharField( max_length = 50 ) description = models.CharField( max_length = 150 ) active = models.BooleanField() time_init = models.DateTimeField( "Date Added", auto_now = False, auto_now_add = True ) objects = models.Manager()

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• Looping through JSON arrays

  - by George

  I'm trying to pull the field names in the header of some JSON output. The following is a sample of the JSON header info: {"HEADER":{"company":{"label":"Company Name"},"streetaddress":{"label":"Street Address"},"ceo":{"label":"CEO Name","fields":{"firstname":{"label":"First Name"},"lastname":{"label":"Last Name"}}} I'm able to loop through the header and output the field and label (i.e. company and Company Name) using the following code: obj = JSON.parse(jsonResponse); for (var key in obj.HEADER) { response.write ( obj.HEADER[key].label ); response.write ( key ); } but can't figure out how to loop through and output the sub array of fields (i.e. firstname and First Name). Any ideas?

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• Using non primitive types in ServiceOperation for WCF Data Service (3.5SP1)

  - by Nix

  Is there any way at all to create a "mock" entity type for use in a WCF Service Operation? We have some queries we do that we need to optimize by exposing as a ServiceOperation. The problem is in order to do so we would result in a very long list of primitative types... Ex SomeoneHelpMe(int time, string name, string address, string i, string purple, string foo, int stillGoing, int tooMany, etc...) And we really need to reduce this to SomeoneHelpedMe(CustomEntityNotMappedToAnything e) This would also help us when it comes time to write some complex queries since there is a 3 param limitation... I saw this will be possible in 4.0 using "complex types", but i am still in the 3.5SP1 world. Let me know if anyone needs more information.

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• Coding guidelines + Best Practises?

  - by Chathuranga Chandrasekara

  I couldn't find any question that directly applies to my query so I am posting this as a new question. If there is any existing discussion that may help me, please point it out and close the question. Question: I am going to do a presentation on C# coding guidelines but it is not supposed to limit to coding standards. So I have a rough idea but I think I need to address good programing practices. So the contents will be something like this. Basic coding standards - Casing, Formatting etc. Good practices - Usage of Hashset over other data structures, String vs String Builder, String's immutability and using them effectively etc Really I would like to add more good practices (Especially to improve the performance.) So like to hear some more good practices to be used with C#. Any suggestions??? (No need of large descriptions :) Just the idea is sufficient.)

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• Access SDExplorer (System Folder) from my C# app

  - by Søren

  Hello everyone I am trying out Windows Live SkyDrive, and I installed SDExplorer (http://www.cloudstorageexplorer.com/) It works by adding my SkyDrive folder to Windows Explorer, but it does not get a drive name or anything, so how can I access that drive/folder from my C# application? When I go into the folder and look at the address bar it says "Computer\SDExplorer". Directory.GetDirectories(@"\Computer\SDExplorer") does not work, because it translates to "C:\Computer\SDExplorer". I would like to be able to create a small application that can create folders and upload files to my SkyDrive account. Anybody know how these special folder/drives work? - I noticed MozyHome appears in the same way in my Windows Explorer.

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• Virtual network interface in Mac OS X

  - by Hans Doggen

  I know that you can make a virtual network interface in Windows (see here), and in Linux it is also pretty easy with ip-aliases, but does something similar exist for Mac OS X? I've been looking for loopback adapters, virtual interfaces and couldn't find a good solution. You can create a new interface in the networking panel, based on an existing interface, but it will not act as a real fully functional interface (if the original interface is inactive, then the derived one is also inactive). This scenario is needed when working in a completely disconnected situation. Even then, it makes sense to have networking capabilities when running servers in a VMWare installation. Those virtual machines can be reached by their IP address, but not by their DNS name, even if I run a DNS server in one of those virtual machines. By configuring an interface to use the virtual DNS server, I thought I could test some DNS scenario's. Unfortunately, no interface is resolving DNS names if none of them are inactive...

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• Ruby open-uri open method loses file extension opening images

  - by Jimmy

  I'm using ruby 1.9.2 along with Rails 3.1.4 and Paperclip 2.4.5. My issue is trying to save a paperclip attachment from a URI loses the file extension and saves the file without one resulting in issues with things like fancybox that require an extension. Some example code: uri = "http://featherfiles.aviary.com/2012-06-13/bbe5f0de1/0c5a672b88ea47ecb4631ac173e27430.png" open(uri) #=> #<File:/var/folders/zc/d69gxhzx10x_bvjrkqgyjgxr0000gn/T/open-uri20120613-27204-i6cldv> Because there is no extension on the temp file paperclip is saving the file without one resulting in issues. Has anyone run into this issue? I've seen multiple answers about using paperclip to store images from a URI but none seem to address the same problem we're running

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• ASP.net displaying data from SQL data source

  - by c11ada

  hey all, im using linq2SQL to grab information from my SQL database, i have a gridview which shows all the top level information, in this case a list of groups (i.e admin, users and so on) when a user clicks say the admin group, i want to be able to show each member in that group, i have the following code which grabs the information from the database, DataClassesDataContext dc = new DataClassesDataContext(); GridViewRow row = GridView1.SelectedRow; var query1 = from p in dc.Users where p.groups.GroupID == Int32.Parse(row.Cells[1].Text) select new { p.Name, p.Address, p.Contact Number, p.Bio, }; i no i can use gridview again to display the results of the query, but this doesnt really look nice as it shows too much information at one, how would i go about having some sort of display which will show just one user at a time giving me the chance to click next and back ? thanks

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• Setting the Hostname in IIS Bindings Breaks Website

  - by Josh

  I just got a Windows Server 2008 VPS and I'm having trouble getting IIS7 setup. I created a new website in IIS with the path, ip address, and hostname (like 'www.nameofsite.com') and click OK. When I browse to the site it pulls up "http://www.nameofsite.com" in the browser and... nothing... IE cannot display this webpage. If I blank out the hostname in the bindings and click [Browse] it works fine (it takes me to http://10.10.2.92 - the computer's ip). So entering the hostname breaks the website. Any ideas on what I'm missing? Services I might not have running or roles I'm missing? No server roles were initially installed on the VPS so I installed IIS, DHCP, DNS, and Application Server... overkill, but I wasn't sure what to install.

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• How to prevent multiple browser windows from sharing the same session in asp.net.

  - by Barry

  I have ASP.net application that is basically a data entry screen for a physical inspection process. The users want to be able to have multiple browser windows open and enter data from multiple inspections concurrently. At first I was using cookie based sessions, and obviously this blew up. I switched to using cookie-less sessions, which stores the session in the URL and in testing this seemed to resolve the problem. Each browser window/tab had a different session ID, and data entered in one did not clobber data entered in the other. However my users are more efficient at breaking things than I expected and it seems that they're still managing to get the same session between browsers sometimes. I think that they're copying/pasting the address from one tab to the other in order to open the application, but I haven't been able to verify this yet (they're at another location so I can't easily ask them). Other than telling them don't copy and paste, or convince them to only enter one at a time, how can I prevent this situation from occurring?

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• How can I create an HTML text field that has scrolling background images before it is clicked?

  - by Jeffrey

  I'm looking to add a textbox on my website that captures a single email address. Behind it, I would like a scrolling (or sliding) images to be a "hint" for what the field should be. Example: http://steamboat.com/ - the "Newsletter sign up" toward the top of the page. I can find plenty of jQuery plugins that provide a plain text "hint". Where should I start looking to add this additional affect. Note: I do not want to add any flash elements on the page.

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• How I can get logged in user's info like email id,name,city etc. in Facebook with uId

  - by vaibhavbhalke

  Hi all Can any one help me to get logged in user's info like email id,name,city etc. with the help of Facebook uId . " Long uid = apiClient.getLoggedInUser ();" Users_getInfo is not useful. It returns No of users connected to _User & according that there info gets. If user login successfully using fb connect, Facebook gives us uid. However, I need to match the logged in user with our member's account If that member is not present in DB then want to register him and I'm trying to do that with e-mail(hashed) address and other info.

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• foreach loop...........

  - by nisardotnet

  I have two questions 1) my interface i have interface called IRegister and within it i have another interface called IPerson, is that right practice? 2) i have two List(IRegister, IPerson) both can have one or more rows. what is the best way to loop both List? within GetValidationRules? public interface IRegister { string FirstName { get; } string MiddleName { get; } string LastName { get; } string EmailAddress { get; } List Student { get; } } public static List GetValidationRules(List register) { List validationRules = new List(); foreach (IRegister myregister in register) { if (string.IsNullOrEmpty(myregister.FirstName)) validationRules.Add(new ValidationRule("Reg", "Must have aFirst Name")); if (string.IsNullOrEmpty(myregister.LastName)) validationRules.Add(new ValidationRule("Reg", "Must have a Last Name")); if (string.IsNullOrEmpty(myregister.EmailAddress)) validationRules.Add(new ValidationRule("Reg", "Must have a Email Address")); IPerson here? how }

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• Link error after update from VS2008 to VS2010

  - by Caihua

  Hi all, Today I met an link problem after updating the VS version from 2008 to 2010, the error is something like this: error LNK2019: unresolved external symbol "public: static void __cdecl std::_String_base::_Xran(void)" (?_Xran@_String_base@std@@SAXXZ) referenced in function "public: class std::basic_string,class std::allocator & __thiscall std::basic_string,class std::allocator ::assign(class std::basic_string,class std::allocator const &,unsigned int,unsigned int)" (?assign@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV12@ABV12@II@Z) error LNK2019: unresolved external symbol "public: static void __cdecl std::_String_base::_Xlen(void)" (?_Xlen@_String_base@std@@SAXXZ) referenced in function "protected: bool __thiscall std::basic_string,class std::allocator ::_Grow(unsigned int,bool)" (?_Grow@?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@IAE_NI_N@Z) I have googled this issue on the web, and found a similar post in this address : http://social.msdn.microsoft.com/Forums/en/vcgeneral/thread/5ac28a31-3339-4db1-90f4-68edad360309 But none of these answers can solve my problem. Could anyone give me some tips on how to solve this issue? Thanks a lot for the help!

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• SQL: How to join a view with a table?

  - by gamerzfuse

  CREATE VIEW qtyorderedview AS SELECT titleditors.title_id, titleditors.ed_id, salesdetails.title_id, salesdetails.qty_shipped FROM titleditors, salesdetails WHERE titleditors.title_id = salesdetails.title_id I am using the above SQL statement to create a view. I need to show Editors First Name, Last Name, City where they shipped more than 50 books. The three tables I have are: create table editors ( ed_id char(11), ed_lname varchar(20), ed_fname varchar(20), ed_pos varchar(12), phone varchar(10), address varchar(30), city varchar(20), state char(2), zip char(5), ed_boss char(11)); create table titleditors ( ed_id char(11), title_id char(6), ed_ord integer); create table salesdetails ( sonum integer, qty_ordered integer, qty_shipped integer, title_id char(6), date_shipped date); Can anyone tell me what the second Join code would be to create this result? My first view works fine, but I don't know how to join it to the second table to achieve this result? I didn't make the tables, I just have to work with what I was given. Thanks in advance!

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• Socket Bind Error

  - by rantravee

  Hi, I have a test application that opens a socket , sends something through this socket and then closes it . This is done in a loop for 5-10.000 times. The thing is that after 3,4000 iterations I get an error of this type : enter code here java.net.BindException: Address already in use: connect I even set the socket to be used immediattly, but the error persists enter code here try { out_server.write(m.ToByteArray()); socket_server.setReuseAddress(true); socket_server.close(); } catch(Exception e) { e.printStackTrace(); System.out.println(i+" unable to register with the server"); } What could I do to fix this ?

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• [Python] Detect destination of shortened, or "tiny" url

  - by conradlee

  I have just scraped a bunch of Google Buzz data, and I want to know which Buzz posts reference the same news articles. The problem is that many of the links in these posts have been modified by URL shorteners, so it could be the case that many distinct shortened URLs actually all point to the same news article. Given that I have millions of posts, what is the most efficient way (preferably in python) for me to detect whether a url is a shortened URL (from any of the many URL shortening services, or at least the largest) Find the "destination" of the shortened url, i.e., the long, original version of the shortened URL. Does anyone know if the URL shorteners impose strict request rate limits? If I keep this down to 100/second (all coming form the same IP address), do you think I'll run into trouble?

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• python socket.recv/sendall call blocking

  - by fsm

  Hi everyone. This post is incorrectly tagged 'send' since I cannot create new tags. I have a very basic question about this simple echo server. Here are some code snippets. client while True: data = raw_input("Enter data: ") mySock.sendall(data) echoedData = mySock.recv(1024) if not echoedData: break print echoedData server while True: print "Waiting for connection" (clientSock, address) = serverSock.accept() print "Entering read loop" while True: print "Waiting for data" data = clientSock.recv(1024) if not data: break clientSock.send(data) clientSock.close() Now this works alright, except when the client sends an empty string (by hitting the return key in response to "enter data: "), in which case I see some deadlock-ish behavior. Now, what exactly happens when the user presses return on the client side? I can only imagine that the sendall call blocks waiting for some data to be added to the send buffer, causing the recv call to block in turn. What's going on here? Thanks for reading!

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• On WindowsMobile, how can i tell what other processes are reserving shared memory space?

  - by glutz78

  On WindowMobile 6.1, I am using VirtualAlloc to reserve 2MB chunks, which will return me an address from the large shared memory area so allocations do not count against my per process virtual space. (doc here: http://msdn.microsoft.com/en-us/library/aa908768.aspx) However, on some devices i notice that I am not able to reserve memory after a certain point. VirtualAlloc will return NULL (getlasterror() says out of memory). The only explanation for this that I see is that another process has already reserved a bunch of memory and my process is therefore unable to. Any idea where I can find a tool to show me the shared mem region of a WM device? Thanks.

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• Android WebView Authentication

  - by bobthemac

  I am having issues with authentication for my webview I have a https address that requires authentication but it isn't basic authentication. When I access chrome on my phone and go to this site I get a dialogue box that asks me for a username and password I want to do something similar but all the attempts at authentication I have made have failed using the what I have found as they all seem to be for basic authentication and I don't think this is what it is. any help is appreciated, sorry if this is duplicate but I have looked and found nothing similar .

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• Upload documents using email and mapping properties of documents

  - by stranger001

  Hi, We have a requirement to upload documents to a specific SharePoint document library when a document is sent via email to a specific email address. I think SharePoint has this feature available. What I would like to know more importantly is mapping the information in the body of the email to the custom properties of the document. For example, if a custom field (property) is added to the document in SharePoint say - "Year". I provide the value of this property within the body of the email and attach the document in email. Is it possible that the provided value in the body of the email for the property is updated in SharePoint when the document is uploaded to SharePoint through email? We are using SharePoint 2007. Appreciate any information on this. Thanks

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• Twitter API and rate limiting - I am confused

  - by jeffreyveon

  I am new to the Twitter API, and I looked at their whitelisting policies and I am a little confused... I'm basically writing a twitter aggregrator that crawls the public tweets of a set of users (not more than 200) hourly. I wanted to apply for whitelisting, and they seem to offer account based and IP based whitelisting. Since I am using a shared hosting, my outbound IP address might vary (and twitter does'nt allow IP ranges for whitelisting). So I am considering using account based whitelisting. However, while using OAuth, is it possible for me to use account based whitelisting for a background process that crawls the API hourly?

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