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  • Winforms role based security limitations

    - by muhan
    I'm implementing role based security using Microsoft's membership and role provider. The theoretical problem I'm having is that you implement a specific role on a method such as: [PrincipalPermissionAttribute(SecurityAction.Demand, Role="Supervisor")] private void someMethod() {} What if at some point down the road, I don't want Supervisors to access someMethod() anymore? Wouldn't I have to change the source code to make that change? Am I missing something? It seems there has to be some way to abstract the relationship between the supervisors role and the method so I can create a way in the application to change this coupling of role permission to method. Any insight or direction would be appreciated. Thank you.

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  • Refinery CMS (Rails): Creating a plugin or plugins with multiple models and relationships

    - by jklina
    My goal is to create a way for an admin to create two models in the Refinery admin: Campaigns and Videos I would like to have it setup so that a Campaign has many Videos and that each Video belongs to a Campaign. Both Videos and Campaigns will have a title, description, and a preview image. I'm not certain of the best way to go about this. Is it possible to setup two plugins and form a relationship between the two? Or, should I create one plugin with both models. If someone could point me in the right direction or a good example of a solution to a similar problem, I would be grateful. Thank you for looking!

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  • Nullable One To One Relationships with Integer Keys in LINQ-to-SQL

    - by Craig Walker
    I have two objects (Foo and Bar) that have a one-to-zero-or-one relationship between them. So, Foo has a nullable foreign key reference to Bar.ID and a (nullbusted) unique index to enforce the "1" side. Bar.ID is an int, and so Foo.BarID is a nullable int. The problem occurs in the LINQ-to-SQL DBML mapping of .NET types to SQL datatypes. Since int is not a nullable type in .NET, it gets wrapped in a Nullable<int>. However, this is not the same type as int, and so Visual Studio gives me this error message when I try to create the OneToOne Association between them: Cannot create an association "Bar_Foo". Properties do not have matching types: "ID", "BarID". Is there a way around this?

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  • Django: UserProfile with Unique Foreign Key in Django Admin

    - by lazerscience
    Hi, I have extended Django's User Model using a custom user profile called UserExtension. It is related to User through a unique ForeignKey Relationship, which enables me to edit it in the admin in an inline form! I'm using a signal to create a new profile for every new user: def create_user_profile(sender, instance, created, **kwargs): if created: try: profile, created = UserExtension.objects.get_or_create(user=instance) except: pass post_save.connect(create_user_profile, sender=User) (as described here for example: http://stackoverflow.com/questions/44109/extending-the-user-model-with-custom-fields-in-django) The problem is, that, if I create a new user through the admin, I get an IntegritiyError on saving "column user_id is not unique". It doesnt seem that the signal is called twice, but i guess the admin is trying to save the profile AFTERWARDS? But I need the creation through signal if I create a new user in other parts of the system!

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  • Magento Community - Hosting :: Need Advice which sharing hosting will run magento fast

    - by user43353
    Hi, Need Advice which sharing hosting will run Magento Community fast or some other not expensive solution. This website will not have a lot of users, I only need that it will run fast for 100-20 users in same time. The problem with magento is database design that make this system very slow , also other staff not the best. I had hostmonster.com and justhost.com for previous website but it wasn't fast enough for single user that not located in USA (my customer areas: Asia, Africa). each action that involve database takes a lot of time. Thanks

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  • iPhone CoreData join

    - by Ken
    Hi guys, long time reader, first time poster. (A link to this schema is located here) http://www.weeshsoft.com/pix/DatabasePic.jpg I'm trying to get all LanguageEntries from a database for a given category.categoryName and languageset.languageSetName e.g. NSFetchRequest* fetchRequest = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"LanguageEntry" inManagedObjectContext:del.managedObjectContext]; [fetchRequest setEntity:entity]; NSString* predicateString = [NSString stringWithFormat:@"Category.categoryName = %@ AND LanguageSet.languageSetName = %@", @"Food", @"English####Spanish"]; fetchRequest.predicate = [NSPredicate predicateWithFormat:predicateString]; NSError *error = nil; NSArray* objects = [del.managedObjectContext executeFetchRequest:fetchRequest error:&error]; This always returns 0 objects. If I set the predicate string to match on one relationship (e.g. Category.categoryName = Food or languageSet.languageSetName = English####Spanish) it will return data. This is baffling, can anyone shed some light? -Ken

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  • Distinction between Cloud Servers and VPS

    - by Frank V
    What is the distinction between a Cloud based host and a VPS? I talked to a Rackspace Cloud sales person for around 45 minutes and never came to a real conclusion on this. So, to elaborate on my question a bit -- what benefits might a "cloud" server provide me versus a VPS provider such as Linode and vice versa -- what benefits would a VPS provide over a cloud provider? From what I've been able to ascertain, when you host on a cloud (with Rackspace Cloud) you get a instance of Linux in which you install software and such (a LAMP, for instance). From what I can figure, if the instance is running, I am charged and the pricing on Rackspace (according to what I understood from the sales rep) comes out to about $20 a month.... I was thinking a cloud customer pays per processing hours -- so if your app just sits there, no charges are incurred. Does one not pay of the cloud instance is shut down, perhaps? A similar questions to what I'm asking but not exactly it: Understanding: cloud-server, cloud-hosting, cloud-computing, the cloud What is the difference between vps and cloud hosting

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  • Self referencing symmetrical Hibernate Map Table using @ManyToMany

    - by sammichy
    I have the following class public class ElementBean { private String link; private Set<ElementBean> connections; } I need to create a map table where elements are mapped to each other in a many-to-many symmetrical relationship. @ManyToMany(targetEntity=ElementBean.class) @JoinTable( name="element_elements", joinColumns=@JoinColumn(name="FROM_ELEMENT_ID", nullable=false), inverseJoinColumns=@JoinColumn(name="TO_ELEMENT_ID", nullable=false) ) public Set<ElementBean> getConnections() { return connections; } I have the following requirements When element A is added as a connection to Element B, then element B should become a connection of Element A. So A.getConnections() should return B and B.getConnections() should return A. I do not want to explicitly create 2 records one for mapping A to B and another for B to A. Is this possible?

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  • US Bank Routing Number and BIC/SWIFT

    - by Konerak
    I know it is a bit offtopic, but I've been having a hard time finding more information to this question, and since this site is visited by a lot of people from the United States, you guys might know/find the answer more easily. Banks in europe each have a SWIFT Number, while US Banks use Routing Numbers. This leads to following questions: Does each bank in the US also carry a BIC number? (SWIFT) Is there a 1-1 relationship between BIC/SWIFT and Routing Numbers? Is there a list of these numbers somewhere? Background information: We're adding international payments to our bookkeeping application. Users can add international suppliers, but my boss prefered not to change the current supplier table but to have the ROUTING NUMBER in another table, with as PK the BIC. I'm wondering if BIC is a valid choice, or if it should just be BANK ACCOUNT NUMBER.

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  • Linux DNS Multi tenant

    - by spicyramen
    I need to setup a multi-tenant DNS solution in Linux DNS Server. Currently I serve multiple companies: Company ABC, Company XYZ, etc... I need to create a) Forwarder zone b) Reverse Forward Zone. I can easily create a Forward Zone with domain abc.com The challenge I have is that each of my customer components share the same IP address. Hence If I create the Reverse Forward Zone I end up with something like this: abc.com 1.1.1.1 host.abc.com xyz.com 1.1.1.1 host.xyz.com If I perform a reverse lookup on host.abc.com it works fine...but if I do a reverse lookup on 1.1.1.1 I get a load balance response of: attempt: host.abc.com attempt: host.xyz.com attempt: host.abc.com Any ideas? I want to add logic to the DNS configuration to handle DNS reverse lookup based on source machine and respond with right hostname. Workaround: Create multiple DNS but this is not scalable.

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  • Sumproduct using Django's aggregation

    - by Matthew Rankin
    Question Is it possible using Django's aggregation capabilities to calculate a sumproduct? Background I am modeling an invoice, which can contain multiple items. The many-to-many relationship between the Invoice and Item models is handled through the InvoiceItem intermediary table. The total amount of the invoice—amount_invoiced—is calculated by summing the product of unit_price and quantity for each item on a given invoice. Below is the code that I'm currently using to accomplish this, but I was wondering if there is a better way to handle this using Django's aggregation capabilities. Current Code class Item(models.Model): item_num = models.SlugField(unique=True) description = models.CharField(blank=True, max_length=100) class InvoiceItem(models.Model): item = models.ForeignKey(Item) invoice = models.ForeignKey('Invoice') unit_price = models.DecimalField(max_digits=10, decimal_places=2) quantity = models.DecimalField(max_digits=10, decimal_places=4) class Invoice(models.Model): invoice_num = models.SlugField(max_length=25) invoice_items = models.ManyToManyField(Item,through='InvoiceItem') def _get_amount_invoiced(self): invoice_items = self.invoiceitem_set.all() amount_invoiced = 0 for invoice_item in invoice_items: amount_invoiced += (invoice_item.unit_price * invoice_item.quantity) return amount_invoiced amount_invoiced = property(_get_amount_invoiced)

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  • CodeIgniter & Datamapper as frontend, Django Admin as backend, database tables inconsistent

    - by Rasiel
    I created a database for a site i'm doing using Django as the admin backend. However because the server where the site is hosted on, won't be able to support Python, I find myself needing to do the front end in PHP and as such i've decided to use CodeIgniter along with Datamapper to map the models/relationship. However DataMapper requires the tables to be in a specific format for it to work, and Django maps its tables differently, using the App name as the prefix in the table. I've tried using the prefix & join_prefix vars in datamapper but still doesn't map them correctly. Has anyone used a combination of this? and if so how have the fixed the issue of db table names being inconsistent? Is there anything out there that i can use to make them work together?

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  • Parallel prologue and epilogue in Grid Engine

    - by ajdecon
    We have a cluster being used to run MPI jobs for a customer. Previously this cluster used Torque as the scheduler, but we are transitioning to Grid Engine 6.2u5 (for some other features). Unfortunately, we are having trouble duplicating some of our maintenance scripts in the Grid Engine environment. In Torque, we have a prologue.parallel script which is used to carry out an automated health-check on the node. If this script returns a fail condition, Torque will helpfully offline the node and re-queue the job to use a different group of nodes. In Grid Engine, however, the queue "prolog" only runs on the head node of the job. We can manually run our prologue script from the startmpi.sh initialization script, for the mpi parallel environment; but I can't figure out how to detect a fail condition and carry out the same "mark offline and requeue" procedure. Any suggestions?

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  • How is the presentation layer of a CALayer generated?

    - by KJ
    Hi, I'm having difficulties animating my custom layer property using Core Anmiation. My question is how the presentation of a CALayer is generated. Here is what I have now: @interface MyLayer : CALayer { NSMutableDictionary* customProperties; } @property (nonatomic, copy) NSMutableDictionary* customProperties; @end And when I try to animate the key path "customProperties.roll" using CABasicAnimation and addAnimation:forKey:, it seems that the customProperties variable doesn't get copied from the model layer to the presentation layer, and the customProperties of the presentation layer appears to be nil, failing to update the value for the key "roll". Is there a way to animate values in a dictionary correctly? What is the exact relationship between a model layer and a presentation layer while being animated? Thanks!

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  • Does Entity Framework 4 not support property automatic lazy loading for model-first entities?

    - by KallDrexx
    All references that I find for lazy loading say it's possible but they all mention POCOs and that's it. I am using EF4 with the model-first methodology. In my model diagram I have a Project table and a UserObject table, with a 1 to many relationship between them. However, in code, when I have a valid UserObject and I attempt to get the project performing: Project prj = userobj.Project. Unfortunately, this doesn't work as it claims that UserObject.Project is null. It seems like I have to explicitly load the Project object via calling UserObject.ProjectReference.Load() prior to calling .Project. Is there any way for this to occur automatically when I access the .Project property?

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  • One to many too much data returned - MySQL

    - by Evan McPeters
    I have 2 related MySQL tables in a one to many relationship. Customers: cust_id, cust_name, cust_notes Orders: order_id, cust_id, order_comments So, if I do a standard join to get all customers and their orders via PHP, I return something like: Jack Black, jack's notes, comments about jack's 1st order Jack Black, jack's notes, comments about jack's 2nd order Simon Smith, simon's notes, comments about simon's 1st order Simon Smith, simon's notes, comments about simon's 2nd order The problem is that *cust_notes* is a text field and can be quite large (a couple of thousand words). So, it seems like returning that field for every order is inneficient. I could use *GROUP_CONCAT* and JOINS to return all *order_comments* on a single row BUT order_comments is a large text field too, so it seems like that could create a problem. Should I just use two separate queries, one for the customers table and one for the orders table? Is there a better way?

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  • How do I suppress eclipse warning: Referenced identifier 'VIEWNAME:secondaryid' in attribute 'id' ca

    - by Jeremy
    In eclipse 3.4, here is the section of my plugin.xml: <extension point="org.eclipse.ui.views"> <view allowMultiple="true" class="the.full.class.name" icon="images/icon.gif" id="VIEWNAME" name="View Name"> </view> </extension> <extension point="org.eclipse.ui.perspectiveExtensions"> <perspectiveExtension targetID="com.p21csi.fps.sim.rcp.perspective.SimPerspective"> <view closeable="false" id="VIEWNAME:secondaryid" minimized="false" moveable="false" ratio=".75" relationship="left" relative="org.eclipse.ui.editorss" showTitle="true" standalone="true" visible="true"> </view> </perspectiveExtension> </extension> The application works fine, I just can't get rid of that annoying warning!

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  • Magento Community - Hosting :: Need Advice which sharing hosting will run magento fast

    - by user43353
    Hi, Need Advice which sharing hosting will run Magento Community fast or some other not expensive solution. This website will not have a lot of users, I only need that it will run fast for 100-20 users in same time. The problem with magento is database design that make this system very slow , also other staff not the best. I had hostmonster.com and justhost.com for previous website but it wasn't fast enough for single user that not located in USA (my customer areas: Asia, Africa). each action that involve database takes a lot of time. Thanks

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  • Core Data performance deleteObject and save managed object context

    - by Gary
    I am trying to figure out the best way to bulk delete objects inside of my Core Data database. I have some objects with a parent/child relationship. At times I need to "refresh" the parent object by clearing out all of the existing children objects and adding new ones to Core Data. The 'delete all' portion of this operation is where I am running into trouble. I accomplish this by looping through the children and calling deleteObject for each one. I have noticed that after the NSManagedObjectContext:Save call following all of the deleteObject calls is very slow when I am deleting 15,000 objects. How can I speed up this call? Are there things happening during the save operation that I can be aware of and avoid by setting parameters different or setting up my model another way? I've noticed that memory spikes during this operation as well. I really just want to "delete * from". Thanks.

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  • Using the Juniper EX3300 Switch as a router?

    - by Richard Whitman
    I have a Juniper EX3300 switch in a data center. And I have connected one of the uplink ports (ge-0/1/0) to my ISP's router. I want to configure it so that all the devices connected to ports in the same VLAN as ge-0/1/0 can access the Internet. I have done some research, and I haven't gotten anywhere really. I have configured the interface as follows: ge-0/1/0 { ether-options { no-auto-negotiation; link-mode full-duplex; speed { 1g; } } unit 0 { family inet { address xx.xx.xx.xx/32; } } } where xx.xx.xx.xx is the "Customer Router Port IP" assigned by my ISP. When I try to commit, I get the following error: Interface ge-0/1/0.0 not enabled for switching Can some one tell me what is the right way to configure it?

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  • Nhibernate Criteria Group By clause and select other data that is not grouped

    - by Peter R
    Hi, I have a parent child relationship, let's say class and children. Each child belongs to a class and has a grade. I need to select the children (or the ids of the children) with the lowest grade per class. session.CreateCriteria(typeof(Classs)) .CreateAlias("Children", "children") .SetProjection(Projections.ProjectionList() .Add(Projections.Min("children.Grade")) .Add(Projections.GroupProperty("Id")) ) .List<Object[]>(); This query returns me the lowest grade per class, but I don't know which child got the grade. When I add the children's Id to the group, the group is wrong and every child gets returned. I was hoping we could just select get the id's of those childs without grouping them. If this is not possible, then maybe there is a way to solve this with subqueries?

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  • Perforce command line only showing local users/changelists/workspaces, but P4V shows all

    - by M Katz
    We are using P4 for free with two users. In the P4V admin gui I can see both myself and my partner as users, and in the P4V gui I can see all workspaces (clients) and all changelists (both mine and my partner's). From the command line, 'p4 users' only shows me, 'p4 clients' only shows my local workspace, etc. Is there some mode, environment setting, or special directory from which I have to use the p4 command line to see those global objects? I believe I am a p4 superuser (since I read this is the default on installation and we didn't change anything). I'm obviously missing something very basic about the relationship between p4 command line and P4V. The reason I need to use the command line is to delete an old client workspace (used on a different machine) that has an empty changelist associated with it. I therefore need to use 'p4 client -d -f old-workspace-name' from the command line. But when I do it tells me client 'old-workspace-name' doesn't exist.

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  • Query only the first detail record for each master record

    - by Neal S.
    If I have the following master-detail relationship: owner_tbl auto_tbl --------- -------- owner --- owner auto year And I have the following table data: owner_tbl auto_tbl --------- -------- john john, corvette, 1968 john, prius, 2008 james james, f-150, 2004 james, cadillac, 2002 james, accord, 2009 jeff jeff, tesla, 2010 jeff, hyundai, 1996 Now, I want to perform a query that returns the following result: john, corvette, 1968 jeff, hyundai, 1996 james, cadillac, 2002 The query should join the two tables, and sort all the records on the "year" field, but only return the first detail record for each master record. I know how to join the tables and sort on the "year" field, but it's not clear how (or if) I might be able to only retrieve the first joined record for each owner. Three related questions: Can I perform this kind of query using LINQ-to-SQL? Can I perform the query using T-SQL? Would it be best to just create a stored procedure for the query given its likely complexity?

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  • How to customize email FROM header with an email from a different domain ?

    - by user40763
    How can I customize the mail FROM header in our Email Marketing Application , to enable our customers to specify their OWN email ( from their domain ) . Currently the customer specify his own domain and we use it at the Reply-To mail's header. CURRENTLY From: [email protected] Reply-To: customer_email@customer_domain.com Return-Path: [email protected] WHAT WE NEED From: customer_email@customer_domain.com Reply-To: customer_email@customer_domain.com Return-Path: [email protected] We do it this way to avoid getting blacklisted because Mail Servers like Gmail or Hotmail would considers it as a MAIL'S HEADER FORGERY ATTEMPT. But our customers keeps asking us to make the FROM HEADER customizable. Can someone help us ?

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  • CHMOD To Prevent Deletion Of File Directory

    - by Sohnee
    I have some hosting on a Linux server and I have a few folders that I don't ever want to delete. There are sub folders within these that I do want to delete. How do I set the CHMOD permissions on the folders I don't want to delete? Of course, when I say "I don't ever want to delete" - what I mean is that the end customer shouldn't delete them by accident, via FTP or in a PHP script etc. As an example of directory structure... MainFolder/SubFolder MainFolder/Another I don't want "MainFolder" to be accidentally deleted, but I'm happy for "SubFolder" and "Another" to be removed!

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