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• How to configure Multi-tenant plugin as single-tenant with Spring security plugin as resolver?

  - by Fabien Barbier

  I can create a secure, multi-tenant web app with Grails by : setup spring security plugin, setup Multi-tenant plugin (via multi-tenant install and multi-tenant-spring-security) update config.groovy : tenant { mode = "multiTenant" resolver.type = "springSecurity" } add : Integer userTenntId in User domain add a domain class for tenant Organization associate the tenants with Organization Edit BootStrap.groovy. Everything works fine in multi-tenant mode, but how to use mode = "singleTenant" ? This configuration sound not working : tenant { mode = "singleTenant" resolver.type = "springSecurity" } Edit : I try this config : tenant { mode = "singleTenant" resolver.type = "springSecurity" datasourceResolver.type = "config" dataSourceTenantMap { t1 = "jdbc:hsqldb:file:custFoo" t2 = "jdbc:hsqldb:file:custBar" } } But I get : ERROR errors.GrailsExceptionResolver - Executing action [list] of controller [org.example.TicketController] caused exception: java.lang.StackOverflowError and : Caused by: java.lang.StackOverflowError at org.grails.multitenant.springsecurity.SpringSecurityCurrentTenant.getTenantIdFromSpringSecurity(SpringSecurityCurrentTenant.groovy:50) at org.grails.multitenant.springsecurity.SpringSecurityCurrentTenant.this$2$getTenantIdFromSpringSecurity(SpringSecurityCurrentTenant.groovy) at org.grails.multitenant.springsecurity.SpringSecurityCurrentTenant$this$2$getTenantIdFromSpringSecurity.callCurrent(Unknown Source) at org.grails.multitenant.springsecurity.SpringSecurityCurrentTenant.get(SpringSecurityCurrentTenant.groovy:41) at com.infusion.tenant.spring.TenantBeanContainer.getBean(TenantBeanContainer.java:53) at com.infusion.tenant.spring.TenantMethodInterceptor.invoke(TenantMethodInterceptor.java:32) at $Proxy14.getConnection(Unknown Source)

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• UnsupportedEncodingException thrown when using Resin and Grails

  - by knorv

  I've encountered a strange problem in a Grails webapp running under Grails: java.io.UnsupportedEncodingException is thrown quite frequently due to various unknown encoding strings (such as "ISO8859_10", "ISO-8859-10"), and the strange thing is that this is done entirely within the Resin and Grails code. That is - no custom code is involved when the exception is thrown. I'm not sure if it is Grails or the servlet container's code that should handle the exception. But I'd assume that the exception should be handled somewhere and not bubble up all the way to stderr. This is the exception in full: java.io.UnsupportedEncodingException: ISO-8859-10 at com.caucho.vfs.i18n.JDKWriter$OutputStreamEncodingWriter.<init>(JDKWriter.java:112) at com.caucho.vfs.i18n.JDKWriter.create(JDKWriter.java:79) at com.caucho.vfs.Encoding.getWriteEncoding(Encoding.java:231) at com.caucho.server.connection.ToByteResponseStream.setEncoding(ToByteResponseStream.java:137) at com.caucho.server.connection.AbstractHttpResponse.setLocale(AbstractHttpResponse.java:1683) at com.caucho.server.connection.HttpServletResponseImpl.setLocale(HttpServletResponseImpl.java: 115) at javax.servlet.ServletResponseWrapper.setLocale(ServletResponseWrapper.java:139) at javax.servlet.ServletResponseWrapper.setLocale(ServletResponseWrapper.java:139) at org.springframework.web.servlet.DispatcherServlet.render(DispatcherServlet.java:1035) at org.codehaus.groovy.grails.web.servlet.GrailsDispatcherServlet.doDispatch(GrailsDispatcherServlet.java:290) at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:716) at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:647) at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:552) at javax.servlet.http.HttpServlet.service(HttpServlet.java:114) My questions: Should the exception be handled? If so, is it the responsibility of the servlet container (Resin) or the web framework (Grails)? How would you go about solving this? (I'd rather not having the exception log cluttered with exceptions that I can do nothing about.)

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• Grails Deployment - Fastest way to get deployed?

  - by gav

  Hi All, If anyone has or is running a Grails application on their server I would appreciate some details on where to go after creating the WAR. Background I chose grails because with Google App Engine and the App Engine Plugin deployment should have been trivial. This issue is that there is a bug which makes any application pretty much unusable, I wish this had been more prominent so I didn't have to get to the point of seeing the error myself before I was aware of it. The next option was EC2 and the Cloud Tools plugin, it seems Cloud Tools worked with grails 1.0 but doesn't work with the current 1.2.1 due to issues getting the JAR dependencies. It also seems that Cloud Tools has been succeeded by Cloud Foundry which is in beta, will cost extra money and has limited places (I signed up but haven't got an e-mail). Question My application is painfully trivial, it has a small load, small data requirements and doesn't need to scale past 5 users. How can I deploy my grails app as quickly and painlessly as possible? Specifically: Are there any hosting companies that have tomcat installed on their servers out of the box that I can sign up to and use that will just work? Do you know of any simple tutorials for getting a grails application deployed to EC2 without Cloud Tools? Thanks in advance, Gav Side-note: I picked grails because of good advice from SO, it should have been a very short time from development to deployed product except the tools for auto-deployment aren't that mature and I've never configured a server before.

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• Considering moving from Java/Spring MVC to Grails

  - by MDS

  I'm currently using Java & Spring (MVC) to create a webapp, and I'm considering moving to Grails. I'd appreciate feedback/insight on the following: I have multiple application contexts in the current Java/Spring webapp that I load through the web.xml ContextLoaderListener; is it possible to have multiple application contexts in Grails? If, yes, how? This webapp extensively uses a CXF restful web service and the current Java/Spring webapp uses the bundled CXF HTTP client. Can I continue to use the (Java) CXF HTTP Client in Grails? I implemented Spring Security using a custom implementation of UserDetails and UserDetailsService, can I re-use these implementations in Grails "as is" or must I re-implement them? There is an instance where I've relied on Spring's jdbc template (rather than the available ORM) and an additional data source I defined in app context, can I re-use this in Grails? I plan on using Maven as the project management tool; are there any issues of using Maven with Grails where there is a combination of groovy and java?

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• dns hosting - url forwarding - hiding forwarded url?

  - by jeremycollins

  I have free dns hosting with the domain registrar and I'd like the dns hosted domain www.example.com to display contents of www.myotherlongdomain.com. I only have 301/302/iframe forwarding options, however I want to mask the redirected (longdomain) url. If I use frames, users can view the source and see the (longdomain) url the contents are coming from. How can I hide it so it always displays www.example.com? There is no cloaking/masking option with the registrar. Thanks.

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• Building a database class in PHP

  - by Sprottenwels

  I wonder if I should write a database class for my application, and if so, how to accomplish it? Over there on SO, a guy mentioned it should be written as an abstract class. However, I can't understand why this would be a benefit. Do I understand correctly, that if I would write an abstract class, every other class that methods will need a database connection, could simply extend this abstract class and have it's own database object? If so, how is this different from a "normal" class where I could instantiate an database object? Another method would be to completely forget about my own class and to instantiate a mysqli object on demand. What do you recommend?

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• Forwarding non-www domain to other domain with dns

  - by Zen Savona

  Is it possible to forward firstdomain.com to www.seconddomain.com or seconddomain.com using surely dns records? I know how to forward www.firstdomain.com to seconddomain.com (with CNAME). What I am trying to do is move my site from one domain to another (new) one, and not break all the links which use the old domain name. I can't do a 301 redirect as it's hosted on Github Pages and I don't have access to the webserver. Thanks

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• Class design for calling "the same method" on different classes from one place

  - by betatester07

  Let me introduce my situation: I have Java EE application and in one package, I want to have classes which will act primarily as cache for some data from database, for example: class that will hold all articles for our website class that will hold all categories etc. Every class should have some update() method, which will update data for that class from database and also some other methods for data manipulation specific for that data type. Now, I would like to call update() method for all class instances (there will be exactly one class instance for every class) from one place. What is the best design?

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• How to easily substitute a Base class

  - by JTom

  Hi, I have the following hierarchy of classes class classOne { virtual void abstractMethod() = 0; }; class classTwo : public classOne { }; class classThree : public classTwo { }; All classOne, classTwo and classThree are abstract classes, and I have another class that is defining the pure virtual methods class classNonAbstract : public classThree { void abstractMethod(); // Couple of new methods void doIt(); void doItToo(); }; And right now I need it differently...I need it like class classNonAbstractOne : public classOne { void abstractMethod(); // Couple of new methods void doIt(); void doItToo(); }; class classNonAbstractTwo : public classTwo { void abstractMethod(); // Couple of new methods void doIt(); void doItToo(); }; and class classNonAbstractThree : public classThree { void abstractMethod(); // Couple of new methods void doIt(); void doItToo(); }; But all the nonAbstract classes have the same new methods, with the same code...and I would like to avoid copying all the methods and it's code to every nonAbstract class. How could I accomplish that? Hopefully it's understandable...

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• Using a class within a class?

  - by Josh

  I built myself a MySQL class which I use in all my projects. I'm about to start a project that is heavily based on user accounts and I plan on building my own class for this aswell. The thing is, a lot of the methods in the user class will be MySQL queries and methods from the MySQL class. For example, I have a method in my user class to update someone's password: class user() { function updatePassword($usrName, $newPass) { $con = mysql_connect('db_host', 'db_user', 'db_pass'); $sql = "UPDATE users SET password = '$newPass' WHERE username = '$userName'"; $res = mysql_query($sql, $con); if($res) return true; mysql_close($con); } } (I kind of rushed this so excuse any syntax errors :) ) As you can see that would use MySQL to update a users password, but without using my MySQL class, is this correct? I see no way in which I can use my MySQL class within my users class without it seeming dirty. Do I just use it the normal way like $DB = new DB();? That would mean including my mysql.class.php somewhere too... I'm quite confused about this, so any help would be appreciated, thanks.

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• Identifying that a variable is a new-style class in Python?

  - by Dave Johansen

  I'm using Python 2.x and I'm wondering if there's a way to tell if a variable is a new-style class? I know that if it's an old-style class that I can do the following to find out. import types class oldclass: pass def test(): o = oldclass() if type(o) is types.InstanceType: print 'Is old-style' else: print 'Is NOT old-style' But I haven't been able to find anything that works for new-style classes. I found this question, but the proposed solutions don't seem to work as expected, because simple values as are identified as classes. import inspect def newclass(object): pass def test(): n = newclass() if inspect.isclass(n): print 'Is class' else: print 'Is NOT class' if inspect.isclass(type(n)): print 'Is class' else: print 'Is NOT class' if inspect.isclass(type(1)): print 'Is class' else: print 'Is NOT class' if isinstance(n, object): print 'Is class' else: print 'Is NOT class' if isinstance(1, object): print 'Is class' else: print 'Is NOT class' So is there anyway to do something like this? Or is everything in Python just a class and there's no way to get around that?

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• How to get a Class literal from a generically specific Class

  - by h2g2java

  There are methods like these which require Class literals as argument. Collection<EmpInfo> emps = SomeSqlUtil.select( EmpInfo.class, "select * from emps"); or GWT.create(Razmataz.class); The problem presents itself when I need to supply generic specific classes like EmpInfo<String> Razmataz<Integer> The following would be wrong syntax Collection<EmpInfo<String>> emps = SomeSqlUtil.select( EmpInfo<String>.class, "select * from emps"); or GWT.create(Razmataz<Integer>.class); Because you cannot do syntax like Razmataz<Integer>.class So, how would I be able to squeeze a class literal out of EmpInfo<String> Razmataz<Integer> so that I could feed them as arguments to methods requiring Class literals? Further info Okay, I confess that I am asking this primarily for GWT. I have a pair of GWT RPC interface Razmataz. (FYI, GWT RPC interface has to be defined in server-client pairs). I plan to use the same interface pair for communicating whether it be String, Integer, Boolean, etc. GWT.create(Razmataz) for Razmataz<T> complains that, since I did not specify T, GWT compiler treated it as Object. Then GWT compiler would not accept Object class. It needs to be more specific than being an Object. So, it seems there is no way for me to tell GWT.create what T is because a Class literal is a runtime concept while generics is a compile time concept, Right?

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• Grails unit testing domain classes with Set properties - is this safe?

  - by Ali G

  I've created a domain class in Grails like this: class MyObject { static hasMany = [tags: String] // Have to declare this here, as nullable constraint does not seem to be honoured Set tags = new HashSet() static constraints = { tags(nullable: false) } } Writing unit tests to check the size and content of the MyObject.tags property, I found I had to do the following: assertLength(x, myObject.tags as Object[]) assertEquals(new HashSet([...]), myObject.tags) To make the syntax nicer for writing the tests, I implemented the following methods: void assertEquals(List expected, Set actual) { assertEquals(new HashSet(expected), actual) } void assertLength(int expected, Set set) { assertLength(expected, set as Object[]) } I can now call the assertLength() and assertEquals() methods directly on an instance of Set, e.g. assertLength(x, myObject.tags) assertEquals([...], myObject.tags) I'm new to Groovy and Grails, so unaware how dangerous method overloading like this is. Is it safe? If so, I'm slightly* surprised that these methods (or similar) aren't already available - please let me know if they are. * I can see how these methods could also introduce ambiguity if people weren't expecting them. E.g. assertLength(1, set) always passes, no matter what the content of set

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• Getting the class of an n dimensional array of an runtime supplied class name

  - by MeBigFatGuy

  Given a fully qualified class name, and a number of dimensions, i would like to get the Class name for this class. I believe i can do this like such public Class<?> getArrayClass(String className, int dimensions) throws ClassNotFoundException { Class<?> elementType = Class.forName(className); return Array.newInstance(elementType, new int[dimensions]).getClass(); } However this requires me to create an unneeded instance of the class. Is there a way to do this without creating the instance? It does not appear that Class.forName("[[[[Ljava/lang/String;") (or a algorithmically generated version) works correctly in all instances from various blog posts i've seen.

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• Returning and instance of a Class given its .class (MyClass.class)

  - by jax

  I have an enum that will hold my algorithms. I cannot instantiate these classes because I need the application context which is only available once the application has started. I want to load the class at runtime when I choose by calling getAlgorithm(Context cnx). How do I easily instantiate a class at runtime given its .class (and my constructor takes arguments)? All my classes are subclasses of Algorithm. public enum AlgorithmTypes { ALL_FROM_9_AND_LAST_FROM_10_ID(AlgorithmFactory.AlgorithmAllFrom9AndLastFrom10Impl.class), ALL_FROM_9_AND_LAST_FROM_10_CURRENCY_ID(AlgorithmFactory.AlgorithmAllFrom9AndLastFrom10Impl.class), DIVIDE_BY_9_LESS_THAN_100(AlgorithmFactory.AlgorithmAllFrom9AndLastFrom10Impl.class), TABLES_BEYOND_5_BY_5(AlgorithmFactory.AlgorithmAllFrom9AndLastFrom10Impl.class); private Class<? extends Algorithm> algorithm; AlgorithmTypes(Class<? extends Algorithm> c) { algorithm = c; } public Algorithm getAlgorithm(Context cnx) { return //needs to return the current algoriths constructor which takes the Context Algorithm(Context cnx); } }

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• Is domain-transfer inherently safe for downtime when the name servers remain the same?

  - by jlmt

  I've been reading around this topic towards understanding whether there's some or no chance of downtime during an upcoming domain transfer for 15 live and very critical domains. In our case there are three companies involved: CompanyA is the original registrar and DNS host, CompanyB is the new DNS host, and CompanyC is the new registrar. I've already changed the nameservers for all domains to those of CompanyB. We suffered some downtime because CompanyA deleted their hosted DNS for our domains directly after the change, but the changes propagated and we're now able to configure our DNS with CompanyB. From what I understand (please correct where wrong!): There exists an SOA record that points oneofourdomains.com to ns.companyb.com. That record is maintained and authoritatively hosted by the ccTLD registry for the domain (eg. Verisign for .com). CompanyA currently has the ability to change the SOA record because they're the registrar. There exist NS records for oneofourdomains.com, which are also related to the link from domain name to nameserver, are similarly hosted by the ccTLD, and which CompanyA are also able to change while acting as registrar. Neither CompanyB nor CompanyC currently have any control over the SOA or NS records. CompanyA are unable to cause us (DNS) problems during the transfer by dropping service early, because they are not the authoritative source for the SOA and NS records. When we transfer the domains, it's administrative control of the SOA and NS records that will be transferred to CompanyC. As long as we advise CompanyC that the SOA and NS records must not change (as regards pointing to CompanyB's nameservers), there's no need for any kind of DNS change, and therefore no possibility of downtime. Is my understanding of this correct? My fear is that CompanyA will somehow cut us off again, and their support dept hasn't given me much confidence in their understanding of the topic.

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• Cannot create a new domain in an existing active directory forest

  - by Mackenzie Carr

  I have a domain controller setup on Windows Server 2008 R2 (Forest) and I have another Windows Server 2008 R2 (New Domain) and I want to create a new domain in an existing forest. I get the following error: An Active Directory domain controller for the domain mackdev.mackenziecarr.com could not be contacted The error was "no records found for the given DNS query" The query was for the SRV record for: _ldap._tcp.dc._msdcs.mackdev.mackenziecarr.com I've seem to have tried everything even tried adding this record to the DNS server of the primary forest. I even successfully joined this server to the domain without any issues but trying to create a new domain under the existing forest is no luck. The primary forest I.P. address is 192.168.2.20 the server that I am using to try to make a child domain is 192.168.2.21 My ipconfig are as follows: I.P. Address: 192.168.2.21 Subnetmask: 255.255.255.0 Gateway: 192.168.2.1 Primary DNS: 192.168.2.20

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• Using "Active Directory Users and Computers" for a different domain

  - by Jaxidian

  How can I manage a domain with the "Active Directory Users and Computers" from a computer that is not on that domain? I realize I'll need some domain admin (or less) credentials, but that's fine. I have 2 scenarios where I'd like to do this: From a machine on Domain 1 but I'd also like to manage Domain 2 (the 2 domains are in no way related) From a laptop that is not a member of any domain. If we can figure out #2, that will be "good enough" but #1 would be nice too.

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• Domain registration public information, measures domain authority in SEO?

  - by Rana

  I have seen on internet in various places talking about this and they says this information do have impact on SEO, specially in the domain authority section. Is it so? If so, Is there any proper way to fill this up? Like, I am running a site as my blog, what should the the organization field? If I own multiple domains, will having same contact information on all of them help gain domain authority? As a owner of multiple sites, should organization name be same or different? Considering I don't own a company yet? Any other suggestion about this?

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• apache domain redirect to subfolder

  - by Dennis

  I have a hosting account with godaddy. Its a linux system running apache. The way they do their setup is your primary domain is the root folder. When you add a subdomain its in a subfolder of the root which sucks. I want to setup a subfolder structure to organize my domains.. I called godday support and they said to use redirects.. but did not know how to do that.. How its setup now: primary domain: www.domain.com / sub.domain.com /sub I want to create a directory structure and then redirect to each but only show www.domain.com in the url www.domain.com /domain/www sub.domain.com /domain/sub I tried using: RewriteEngine On RewriteCond %{HTTP_HOST} ^(www.)?domain.com$ RewriteRule ^(/)?$ domain/www [L] but it just changes the url to www.domain.com/domain/www Can this be done in htaccess?

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• Domain forwarding (GoDaddy) - Forward only / Forward with masking

  - by jan

  I am trying to configure my domain to forward to my app engine application. For the forwarding I can choose from "forward only" and "forward with masking". Assume my domain is called "myDomain.com" and my app is located at myApp.appspot.com. If I choose "forward only" and I go to myDomain.com, I get redirect to myApp.appspot.com (myApp.appspot.com also showing in the address bar - But I want to show myDomain.com of course). If I choose "forward with masking", "myDomain.com" is always shown in the address bar, even if I navigate to some subpage. The URL then should look like e.g.: "myDomain.com#!page:xyz", but still shows "myDomain.com". Is there some way in the middle?

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• How to enable customers to use their own domain for sites hosted by me

  - by Scott

  I am thinking of running a self-site builder. But was wondering how would I allow customers to use their own domains that they already own. Is that even possible? Let's say my site is www.bestsitebuildingwebsite.com and each customer has urls like this www.bestsitebuildingwebsite.com/frances www.bestsitebuildingwebsite.com/eden www.bestsitebuildingwebsite.com/john And a customer has a domain called widgets.com Is it actually possible domain widgets.com to go to my site somehow and have HASHES on the URL still work (my site makes use of hashes for AJAX queries). And their site still have good SEO with Google? Thanks Scott

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• Will domain change affect my pagerank?

  - by Chankey Pathak

  I have two blogger's blog. (http://chankeypathak.blogspot.com and http://javaenthusiastic.blogspot.com) One blog has PR 3 and the other blog has PR 2. I want to buy the domain for both blogs so that they will become http://chankeypathak.com/ and http://javaenthusiastic.com/ I will follow all the procedures that Blogger suggests so that all the visitors to http://chankeypathak.blogspot.com will be redirected to http://chankeypathak.com/ and same for the java's blog. I just want to know that whether this will affect my pagerank or not? I want my PR to remain same and not to be change because of domain change. Let me know. Thank you. PS: I don't know whether one person is allowed to post his site's URL in questions or not. If it is not allowed then you may edit the question.

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• apache domain redirect to subfolder

  - by Dennis

  I have a hosting account with godaddy. Its a linux system running apache. The way they do their setup is your primary domain is the root folder. When you add a subdomain its in a subfolder of the root which sucks. I want to setup a subfolder structure to organize my domains.. I called godday support and they said to use redirects.. but did not know how to do that.. How its setup now: primary domain: www.domain.com / sub.domain.com /sub I want to create a directory structure and then redirect to each but only show www.domain.com in the url www.domain.com /domain/www sub.domain.com /domain/sub I tried using: RewriteEngine On RewriteCond %{HTTP_HOST} ^(www.)?domain.com$ RewriteRule ^(/)?$ domain/www [L] but it just changes the url to www.domain.com/domain/www Can this be done in htaccess?

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• with dash or not in domain [closed]

  - by menardmam

  Possible Duplicate: Is it better to put hyphens in a domain name ? I have to buy a domain it can be : somebigcompany.com or some-big-company.com I know, it's not a sample answer... but i like to know your point of view... the client what with no dash, i think for Google, and readability the dash is better... i have talk to a expert SEO that sait since panda update of the google algorithm it will be punish to have dash.. i don't believe it ! after your answer, i go to godaddy to buy it thanks in advance

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