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• .NET object creation and generations

  - by nimoraca

  Is there a way to tell the .NET to allocate a new object in generation 2 heap. I have a problem where I need to allocate approximately 200 MB of objects, do something with them, and throw them away. What happens here is that all the data gets copied two times (from gen0 to gen1 and then from gen1 to gen2).

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• How do you access the main obj from obj.foo.bar in javascript?

  - by bschaeffer

  Objects in javascript throw me for a loop! In this set up... var obj = { someVar: "my awesome variable", foo: { bar: function(){ alert(this.someVar); } } }; How would I get obj.foo.bar to correctly alert the value of someVar?

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• Tools for website/web application load testing?

  - by zarko.susnjar

  Before going into production, our client demands actual numbers of how many users our web application can handle. We have all kinds of features implemented including asset management (file uploads/downloads), documents import/export, various statistics, web-services etc. Which tool (or set of tools) could do this? Application details: XHTML/jQuery Coldfusion 8 SQL Server 2008 Windows Server 2008

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• Interpreter typing in C

  - by typus

  I'm developing an interpreter and I have some questions to it. I recently saw a small C interpreter that used a very simple struct like the below for all its objects/values in the language: struct Object { ubyte type; ubyte value; }; This struct can hold strings, integers, bools and lists (I think) used in the language the interpreter is working with. How can you get this Object struct to hold all these types?

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• How can I make the Entity data model designer use my database column descriptions?

  - by Jack

  I am using EF4 with Visual Studio 2010. I have a SQL database already created and all my columns are documented with the Description property in SQL management studio. When I create the edmx in Visual Studio, how can I make it read those descriptions and use them to add comments to my generated classes? I know I can use the Summary and LongDescription in the edmx properties but I'm looking for a way to do this without having to copy and paste every description. Thanks!

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• Sql2005 Setup Problem

  - by KareemSaad

  When I setup sql2005 this problem appear Minimum Hardware Requirement (Warning) Messages Minimum Hardware Requirement The current system does not meet the minimum hardware requirements for this SQL Server release. For detailed hardware and software requirements, see the readme file or SQL Server Books Online. and I continued setup but I couldnot found sql management studio tools in start menue

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• Turn on PC power remotely through the Internet?

  - by W.N.

  I use SVN for my work at home and office, but I usually forget to commit the changes before shutdown. Therefore, I wish I could turn on my home/office PC at office/home. I already have TeamViewer installed on both PCs, so it will be okay as soon as the power is turned on. I have read many articles about this, I found both my PC and office computers support Wake-on-LAN. However, I don't know much about other config. And I need to turn on my computers through the Internet, not on LAN. My office Internet connection has static IP, however, my home Internet connection has dynamic IP, it changes as soon as I reset the modem, but it is not a big problem, I rarely turn the Internet modem off. And I don't have privilege to config office Internet connection, but I have Administration privilege on both PCs. Please give me details steps to turn on my office PC from home, and turn on my home PC from office.

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• How does the performance of pure Nginx compare to cpNginx?

  - by jb510

  There is now a Cpanel plugin to fairly easily setup Nginx as a reverse proxy on a Cpanel/Apache server. I've been simultaneously interested in setting up my first unmanaged VPS and my first Nginx server and as a masochist figured why not combine the two. I'm wondering however if it's worth setting up a pure Nginx server vs trying out cpNginx on Apache? My goal is solely to host WordPress sites and while what I've read raves about Nginx's is exceptional ability serving static at least as a reverse proxy, I am unclear if there is substantial benefit to running a pure nginx with eAccelorator over cpNginx on Apache for dynamic sites? Regardless I'll be running W3TC on all sites to cache content, but am still interested if there are big CPU reductions running PHP scripts under pure Nginx over cpNginx?

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• What does the length attribute do when set on the @Column JPA annontation?

  - by James McMahon

  What exactly does setting the length on a column do in JPA? @Column(name = "middle_name", nullable = false, length = 32) public String getMiddleName() { return this.middleName; } I understand that you can use the annotations to generate the database schema based on the entity objects, but does length do any sort of check or truncation when persistence happens, or it solely used for schema creation? I also realize that JPA can sit on top of various implementations, the implementation I am concerned with in this case, is Hibernate.

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• Java GC: top object classes promoted (by size)?

  - by Java Geek

  Hello! Please let me know what is the best way to determine composition of young generation memory promoted to old generation, after each young GC event? Ideally I would like to know class names which are responsible say, for 80% of heap in each "young gen - old gen" promotion chunk; Example: I have 600M young gen, each tenure promotes 6M; I want to know which objects compose this 6M. Thank you.

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• Will the memory rise if I loads a same URL for 1000 times in Adobe AIR?

  - by Yinan

  Hi, Here is the case: I have created a test application which simply loops to load a same url for 1000 times by using HTMLLoader class from Adobe AIR. What I found is that the memory of this app keeps rising. So is this expected? I mean it's the same URL although it get loaded for 1000 times. Does the AVM create 1000 objects behind the scene?

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• How optimize queries with fully qualified names in t-sql?

  - by tomaszs

  Whe I call: select * from Database.dbo.Table where NAME = 'cat' It takes: 200 ms And when I change database to Database in Management Studio and call it without fully qualified name it's much faster: select * from Table where NAME = 'cat' It takes: 17 ms Is there any way to make fully qualified queries faster without changing database?

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• What is the best way to link your application to Swing GUI?

  - by Java Coder

  If I have Swing GUI class and application, how should I manage communication between these objects? Should I pass GUI object link to app or app link to GUI? Example: public class App{ public App() { GUI gui = new GUI(this) } } or public GUI{ public GUI() { App gui = new App(this) } }

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• Python initialization and circular reference counts

  - by eric

  Can we initialize python objects with statement like this: a = b = c = None it seems to me when I did a = b = c = list() will cause circular reference count issue. Please give your expert advice.

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• How setup federated SQL data to display limited information to a Web server in the DMZ?

  - by Pcav

  I have a SQL server behind a firewall. I need to push some limited SQL 2005 information to a Web Server in the DMZ so that I do not have to let database queries come all the way into the database server on our internal network. I want to push a small amount of dynamic data to a Web server in the DMZ and lock it down so that our hosted website does not need to come into the internal network for information; I want to put a server in the DMZ that will be the only connection allowed to the SQL database. This DMZ server will be the only server that can have any sort of connection to the back-end database so the hosting provider just pull the data from our server in the DMZ...

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• Ways to integrate OfBiz and 3rd party webapp

  - by archer

  Thought about RESTAPI, but seems OfBiz does not support it out of the box. Hate accessing domain objects directly (although may be enough for our needs, however, would intercept on Service/ECA level). Any ideas?

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• Formset Messages

  - by Dave

  I want to be able to send a message using the new messages framework. Something along the lines of : ... if formset.is_valid return HttpResponseRedirect( some page ) messages.add_message(request,messages.INFO, '%i objects added') %formset.number_of_forms But two questions: Im not sure if i should put the messages before or after the render to response Is there a method akin to number_of_forms

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• iPhone Application failing to come back from sigkill

  - by overscore

  I have no idea if this is intended behaviour, but whenever the application exits (say, the user is double-clicking the home button and pressing on the red dash on the icon) I get the dreaded SIGKILL. Now, when I try to launch the app again all I get is the old screen state and a frozen (I presume ?) program. It could be because of clunky memory management, but NSZombieEnabled doesn't seem to agree. Any thoughts ?

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• Marking up table joins in the Microstrategy project metadata with the architect tool?

  - by ConcernedOfTunbridgeWells

  Hi, I am evaluating Microstrategy 9.0.1 and attempting to build a prototype metadata layer using its Architect tool. The tool doesn't seem to have any specific means to mark up joins in the way that the editing tools for SSRS data source views or Business Objects universes do. How does this work in Microstrategy - I have never used this before and may be making invalid assumptions based on other systems I have seen. If one does do this with MicroStrategy, how is it done?

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• External user domain in grails

  - by archer

  We're currently using Acegi 0.5.2 plugin for Grails 1.2.1. However, we're going to move our user management to external CRM. What would be the best way to link existing Person domain with external CRM entity?

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• Is null a class in java?

  - by Somerandomeguy

  According to, http://www.freshvanilla.org:8080/display/www/Java+Interview+Questions Under, Which class is the superclass of every class? null seems to be the answer. I found that new Object().getClass().getSuperClass() verifies the answer as correct. But can null be considered a class? I see all primitive data types are represented as Class objects from java[dot]sun.com/j2se/1.4.2/docs/api/java/lang/Class.html

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• Explaining your system to a client

  - by Sir Graystar

  I'm currently developing a small Database Management System for a local company. How would you go about explaining how the system you have designed to a client? If they are non-technical and have no understanding of programming, how would you go about showing what the system will do and how it will do it? I guess some sort of visual representation of the system but this seems very patronising to me.

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• Good basic tutorial for installing and using SqlServer

  - by ripper234

  I know mysql, and I'd like to learn sqlserver. I'm currently stuck on the basics of basics: How to install and configure sql server How to connect to it I installed Sql Server through Web Platform Installer, and have Visual Studio 2008 installed. Still, I can't understand how to connect to my server: I see that the SQL service itself (SQLEXPRESS) is running in both in services.msc and Sql Server Configuration Manager I try to connect to it via the Management Studio, but I don't understand what to do. Where do I begin?

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• return list from view to controller via viewmodel

  - by user232076

  I have a controller that takes in a viewmodel and submitbutton public ActionResult AddLocation(AddLocationViewModel viewModel, string submitButton) My view is bound to the viewmodel. The viewmodel contains a list objects used to create an html table with checkboxes. Is there a way to access the selected "rows" through the viewmodel in my controller? So that I can iterate through and get the selected items? Thanks LDD

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• Detect when a new property is added to a Javascript object?

  - by UICodes

  A simple example using a built-in javascript object: navigator.my_new_property = "some value"; //can we detect that this new property was added? I don't want to constantly poll the object to check for new properties. Is there some type of higher level setter for objects instead of explicitly stating the property to monitor? Again, I don't want to detect if the property value changed, but rather when a new property is added. Ideas? thanks

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