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• Program Managers: Do you exist? How do I become you?

  - by sixtyfootersdude

  I am a Computer Science major who is interesting in exploring a career as a program manager. I knew since starting my degree that that was the role that was interested in but I just found out the actual job name recently. Q: Is this a common position? Do many companies have "program managers"? What should I do/read to improve my chances to become a project manager upon graduation? I have already completed three co-op terms at different companies none of which had this position.

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• WCF Data Services implementation strategies.

  - by Nix

  Microsoft has done a savvy job of not outlining the actual place for data services in the wonderful world of SOA/Web dev. So my question is simple, are WCF Data Services designed to be used via clients? Or has anyone ever heard of someone using them on the server side? Simple scenario a general layered architecture using BO business objects (parenthesis indicate what is being passed between layers) (XML) WCF Service - (BO)Business Logic - (BO) Dao - Entity Framework or using data services it would be where DS BO are modeled business entities to be used in data service. (XML) WCF Service -(BO) Business Logic - (BO) WCF Data Service - (DS BO)Server I can't see a use for the later, unless there are going to be a lot of cases people would be accessing your data via your Data Service Layer vs the Service layer? Thoughts anyone? I have not seen any mention of using DS from within a Service Layer....

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• DataGridView's SelectionChange event firing twice on DataBinding even after removing event binding

  - by Shantanu Gupta

  This Code triggers selection change event twice. how can I prevent it ? Currently i m using a flag or focused property to prevent this. But what is the actual way ? I am using it on winfoms EDIT My Mistake in writing Question, here is the correct code that i wanted to ask private void frmGuestInfo_Load(object sender, EventArgs e) { this.dgvGuestInfo.SelectionChanged -= new System.EventHandler(this.dgvGuestInfo_SelectionChanged); dgvGuestInfo.DataSource=dsFillControls.Tables["tblName"]; this.dgvGuestInfo.SelectionChanged += new System.EventHandler(this.dgvGuestInfo_SelectionChanged); } private void dgvGuestInfo_SelectionChanged(object sender, EventArgs e) { //this function is raised twice, i was expecting that this will not be raised }

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• Dynamically load nib for iPhone/iPad within view controller

  - by qui

  Hello I have converted an iPhone application using the wizard like thing in XCode into a universal app. It builds fine but obviously looks a bit rubbish in some areas :) I need to load nibs according to which device is being used. I dont wish to create my view controllers using initWithNib as I already have code to create the controllers with some data (initWithMyLovelyData) which doesnt do anything to do with nib loading. I know to find out the device you use UI_USER_INTERFACE_IDIOT() so I tried overriding the initWithNibName within the actual view controllers themselves, assuming they get called internally somehow. But it's not working as I guess I am unsure of the syntax. I have tried if(ipad..) self = [super initWithNibName:@"MyIpadNib" bundle:nibBundleOrNil]; And that doesnt work :/ EDIT - I know I have massively edited this, made my question a bit more specific after doing some more research - apologies!

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• ASP.NET MVC vs. ASP.NET 4.0

  - by CodeMonkey

  I watched this webcast recently, and I got the sense that a lot of the "cool stuff" from ASP.NET MVC is getting pulled back into the ASP.NET framework. At the moment I'm setting the ground-work for a project at my company using ASP.NET MVC, but after watching this, I'm beginning to wonder if that's the right choice, and whether it would behoove me to wait for ASP.NET 4.0. I realize ASP.NET MVC 2.0 is getting close to an actual release. If High-Testability, loose coupling, and having Full control of our HTML are top priorities, which should I choose, ASP.NET 4.0 or ASP.NET MVC?

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• Google Closure Library - Adding non-TreeNode children to a TreeNode

  - by Andreas Jansson

  Hi, I'm using the Google Closure Library and goog.ui.tree in particular to build a tree structure GUI component. It works pretty well out of the box, but I'd like to add a few extra controls to each of the leaves (goog.ui.Checkboxes in particular). The problem is that Component.addChild has been overridden in BaseNode so that each added child is treated as a child tree node as opposed to a child component. In effect plenty of errors are thrown if you try to add anything else than an actual tree node as a child, as these children are traversed and BaseNode-specific functions are called on them. I must admit I'm quite a Closure newb, but I reckon there must be some workaround for this, right? Essentially all I want to do is have a bunch of checkboxes appear next to each leaf in my tree. Thanks, Andreas

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• Microsoft.Web.Administration.ServerManager can't read config sections containing encrypted passwords in applicationHost.config

  - by Dylan Beattie

  I have some sites in IIS7 that are configured to run as domain users (MYDOMAIN\someuser). I'm using the Microsoft.Web.Administration namespace to scan my server configuration, but it's throwing an exception when I hit one of these "impersonator" sites: using (ServerManager sm = new ServerManager()) { foreach (Site site in sm.Sites) { foreach (Application app in site.Applications.Reverse()) { foreach (VirtualDirectory vdir in app.VirtualDirectories.Reverse()) { var config = app.GetWebConfiguration(); foreach (var locationPath in config.GetLocationPaths()) { // error occurs in GetLocationPaths() } } } } } The actual error message is: COMException was unhandled Filename: \\?\C:\Windows\system32\inetsrv\config\applicationHost.config Line number: 279 Error: Failed to decrypt attribute 'password' because the keyset does not exist It appears that IIS is storing the MYDOMAIN\someuser password encrypted in applicationHost.config, which is great in terms of security - but I have no idea how to get the ServerManager to decrypt this. Any tips on how I can either allow ServerManager to decrypt this, or just tell IIS to store the passwords in plain text? This is on IIS7 under Windows 7 RC, by the way.

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• jQuery datepicker getMinDate '+1d'

  - by Adrian Adkison

  Once I have set the minDate property of a datepicker with the convenient string syntax $(elem).datepicker('option','minDate','+1d +3m'); how can I get the date object of the minDate? To help illustrate, there is a method $(elem).datepicker('getDate'); which returns the date that is entered in the input in the format of a date object. I would like the same thing but for datepicker('getMinDate'). There is an option like this $(elem).datepicker('option','minDate'); but this returns '+1d +3m' which is not helpful. I need the actual date object to compare with another date object. Any ideas?

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• linear interpolation on 8bit microcontroller

  - by JB

  I need to do a linear interpolation over time between two values on an 8 bit PIC microcontroller (Specifically 16F627A but that shouldn't matter) using PIC assembly language. Although I'm looking for an algorithm here as much as actual code. I need to take an 8 bit starting value, an 8 bit ending value and a position between the two (Currently represented as an 8 bit number 0-255 where 0 means the output should be the starting value and 255 means it should be the final value but that can change if there is a better way to represent this) and calculate the interpolated value. Now PIC doesn't have a divide instruction so I could code up a general purpose divide routine and effectivly calculate (B-A)/(x/255)+A at each step but I feel there is probably a much better way to do this on a microcontroller than the way I'd do it on a PC in c++ Has anyone got any suggestions for implementing this efficiently on this hardware?

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• Image scaling in C

  - by Ganesh

  Hi, I am designing a jpeg to bmp decoder which scales the image. I have been supplied with the source code for the decoder so my actual work is to design a scaler . I do not know where to begin. I have scouted the internet for the various scaling algorithms but am not sure where to introduce the scaling. So should I do the the scaling after the image is converted into bmp or should I do this during the decoding at the MCU level. am confused :( If you guys have some information to help me out, its appreciated. any material to read, source code to analyse etc....

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• Batch file conversion to vbscript

  - by blademasterson

  I need to convert a batch file to vbscript but am unfamiliar with both. If I can understand what is going on in the batch file I can work out the vbscript easy enough. Problem is the batch file runs a few cscript commands which is supposed to have a syntax of cscript [script name] [host options] [script arguments] However whomever wrote the batch file doesn't use it in a standard manner so if someone could explain the use of the command I can work out the rest. Sample line: Filename and actual url's removed for safety sake cscript file.vbs -a -r url -h url -o raw

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• Mysql Sub Select Query Optimization

  - by Matt

  I'm running a query daily to compile stats - but it seems really inefficient. This is the Query: SELECT a.id, tstamp, label_id, (SELECT author_id FROM b WHERE b.tid = a.id ORDER BY b.tstamp DESC LIMIT 1) AS author_id FROM a, b WHERE (status = '2' OR status = '3') AND category != 6 AND a.id = b.tid AND (b.type = 'C' OR b.type = 'R') AND a.tstamp1 BETWEEN {$timestamp_start} AND {$timestamp_end} ORDER BY b.tstamp DESC LIMIT 500 This query seems to run really slow. Apologies for the crap naming - I've been asked to not reveal the actual table names. The reason there is a sub select is because the outer select gets one row from the table a and it gets a row from table b. But also need to know the latest author_id from table b as well, so I run a subselect to return that one. I don't want to run another select inside a php loop - as that is also inefficient. It works correctly - I just need to find a much faster way of getting this data set.

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• 503 (Server Unavailable) WebException when loading local XHTML file in Visual C# 2008

  - by kcoppock

  Hello! So I'm currently working on an ePub reader application, and I've been reading through a bunch of regular XML files just fine with System.Xml and XmlDocument: XmlDocument xmldoc = new XmlDocument(); xmldoc.Load(Path.Combine(Directory.GetCurrentDirectory(), "META-INF/container.xml")); XmlNodeList xnl = xmldoc.GetElementsByTagName("rootfile"); However, now I'm trying to open the XHTML files that contain the actual book text, and they're XHTML files. Now I don't really know the difference between the two, but I'm getting the following error with this code (in the same document, using the same XmlDocument and XmlNodeList variable) xmldoc.Load(Path.Combine(Directory.GetCurrentDirectory(), "OEBPS/part1.xhtml")); "WebException was unhandled: The remote server returned an error: (503) Server Unavailable" It's a local document, so I'm not understanding why it's giving this error? Any help would be greatly appreciated. :) I've got the full source code here if it helps: http://drop.io/epubtest (I know the ePubConstructor.ParseDocument() method is horribly messy, I'm just trying to get it working at the moment before I split it into classes)

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• QGraphicsView and eventFilter

  - by erelender

  Hello everyone, This has been bugging me for more than two days now, so i thought i should ask. I am using Qt 4.5.3 (compiled with VC2008) on Win7. I have MyGraphicsView (inherits QGraphicsView) and MyFilter (inherits QObject) classes. When i install the MyFilter object as an event filter to MyGraphicsView, Mouse events are delivered to MyFilter after they are delivered to MyGraphicsView whereas Key events are delivered to MyFilter before they are delivered to MyGraphicsView. In the second case, i install the MyFilter object as an event filter to MyGraphicsView-viewport() (which is a standart QGLWidget), Mouse events are delivered to MyFilter before they are delivered to MyGraphicsView, whereas Key events are delivered to only MyGraphicsView. The events are supposed to be delivered to event filters before they are delivered to the actual object, so why is this happening? What should i do to ensure this order? Thanks in advance. Best Regards.

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• Howto: Configure Spring-WS to publish WSDL files with a '?WSDL' style URL?

  - by Darren

  I am trying to configure web service proxying using Mule ESB. I am attempting to do this using Mule's WSProxyService, but after stepping through the corresponding code (with the debugger), it is clear that this class replaces endpoint addresses. The problem is Spring-WS WSDL addresses are of the style http://xxxx/xxxx.wsdl, but WSProxyService expects http://xxxx/xxxx?wsdl or http://xxxx/xxxx&wsdl. It replaces the remote endpoint addresses with the local WSDL address; it cuts the remote WSDL address at the question mark i.e. '?WSDL' is intended to be chopped off, so to create the search term. But because of Spring-WS, this does not work. To break it down: WSProxyService ends up trying to use http://xxxx/xxxx.wsdl to replace http://xxxx/xxxx with http://yyyy/yyyy which fails... leading to actual web service call going direct and not through the proxy. Has anyone ever noticed/solved this problem?? Cheers, Darren

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• CUDA: How to reuse kernels in multiple files (for unit testing)

  - by zenna

  How can I go about reusing the same kernel without getting fatal linking errors due to defining the symbol multiple times In Visual Studio I get "fatal error LNK1169: one or more multiply defined symbols found" My current structure is as follows: Interface.h has an extern interface to a C function: myCfunction() (ala the C++ integration SDK example) Kernel.cu contains the actual __global__ kernels and is NOT included in the build: __global__ my_kernel() Wrapper.cu inlcudes Kernel.cu and Interface.h and calls my_kernel<<<...>>> This all works fine. But if I add another C function in another file which also includes Kernel.cu and uses those kernels, I get the errors. So how can I reuse the kernels in Kernel.cu among many C functions in different files. The purpose of this by the way is unit testing, and integrating my kernels with CPP unit, if there is no way to reuse kernels (there must be!) then other suggestions for unit testing kernels within my existing CPP unit framework would be appreciate. Thanks Zenna

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• Does jQuery ajaxSetup method not work with $.get or $.post?

  - by Justin Poliey

  Does the jQuery $.ajaxSetup method not respect the data field in the options hash when $.post or $.get is called? For example, I might have this code: $.ajaxSetup({ data: { persist: true } }); Then, to send a POST request, I would call this: $.post("/create/something", { name: "foo" }); I was expecting the actual POST data to look like this: { persist: true, name: "foo" } but the only data sent by $.post is { name: "foo" }. Is there any way to get the expected behavior? I'm using jQuery 1.4.1.

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• WordPress - Each page of paged posts all show same posts

  - by j-man86

  I set up a pagination function for my wordpress blog. When clicking to the next page, the URL is correct: "/page/1", "/page/2", "/page/3" etc, but the actual posts don't change from page to page (page 2 and page 3 still display the first page of posts). Here's the code I'm using for the loop: <?php $paged = (get_query_var('paged')) ? get_query_var('paged') : 1; $sticky=get_option('sticky_posts'); $args=array( 'offset' => 1, 'category__not_in' => array(-6), 'paged'=>$paged, 'showposts' => 6, ); query_posts($args); if ( $wp_query->have_posts() ) : while ( $wp_query->have_posts() ) : $wp_query->the_post(); ?> Any help/insight would be much appreciated. Thank you!

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• iPhone MapKit - Go "Around the World" ?

  - by Chris

  I have an App that is using MapKit. I am dropping pins and everything else, but when I zoom out to view the entire world, it does not let me go past the the middle of the Pacific Ocean. If I am viewing California and want to go to China, I have to scroll all the way East to view it. Is there a setting that I need to turn on, or is this just the way it is? I do note that this is how the actual Maps App works, so I might presume that this setting cannot be changed...

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• Get BSD file descriptor from OSX CoreServices objects.

  - by Inso Reiges

  Hello, I am new to OSX user space development. I've read documentation and googled before asking, but still have no clue about the following. If i am to use CoreServices framework to work with files (FSRef, Forks, URLs, etc.) will i be able to get a raw BSD file descriptor (plain int)? If yes, then how can i do that? The thing is, i want to learn to program with OSX frameworks, but the actual task at hand will require BSD file descriptor later. Inso.

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• How to remove default header from WCF REST Outgoing Response?

  - by bmsantos

  The following C# WCF based REST service gives me some undesired headers that I'm not sure if I can remove them trough the API. The interface: [ServiceContract] public interface IControlSystem { [OperationContract] [WebGet] System.IO.Stream About(); } The implementation: public class ControlSystem : IControlSystem { public System.IO.Stream About() { return new System.IO.MemoryStream(ASCIIEncoding.Default.GetBytes("Hello World")); } } Out of a raw socket connection it gives the following response: HTTP/1.1 200 OK Server: ASP.NET Development Server/9.0.0.0 Date: Tue, 15 Jun 2010 13:12:51 GMT X-AspNet-Version: 2.0.50727 Cache-Control: private Content-Type: application/octet-stream Content-Length: 39 Connection: Close Hello World Question is, is it possible to get the server to not report anything other than the actual message? Need it in some calls so due to some small embedded device clients that will try to connect to the server and I would like to minimize the amount of parsing. Thanks, B.

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• parsing string according to oracle operators with regex

  - by haluk

  Hi, Basically I was trying to replace the part of string with its actual value which comes immediately after oracle operators. I can do this for limited operators list like {=,,<} but I wonder that is there any way out to gather all the operators rather than giving them by hands? For instance, I have this string; "a = xyz", then I will replace xyz with lets say 3. But as you know we have bunch of operator namely "like,in,exists etc". So my string can also be this: "a like xyz". So what do you suggest me? Thanks.

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• php imap_search SINCE date problem

  - by Daniel

  Hey I'm trying to show only the emails received in the last 5 min for example $since = date('d-M-Y G\:i', time() - 300); // actual time - 5 min $mb=imap_search ($m_mail, 'UNSEEN SINCE ' . $since . ''); Is there an easy way to do this ? I find a way: take all the unseen mails for the curent day(ex:9 may 2010), loop it and for then checking if it was send in the last X minutes echo it( using the imap_headerinfo-udate )BUT when i looked at gmail.com one email was recevied at 17:08 and on my server appears that the email was received at 14:08 Dan

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• Usng Rails ActiveRecord relationships

  - by Brian Goff

  I'm a newbie programmer, been doing shell scripting for years but have recently taken on OOP programming using Ruby and am creating a Rails application. I'm having a hard time getting my head wrapped around how to use my defined model relationships. I've tried searching Google, but all I can come up with are basically cheat sheets for what has_many, belongs_to, etc all mean. This stuff is easy to define & understand, especially since I've done a lot of work directly with SQL. What I don't understand is how to actually used those defined relationships. In my case I have 3 models: Locations Hosts Services Relationships (not actual code, just for shortening it): Services belongs_to :hosts Hosts has_many :services belongs_to :locations Locations has_many :hosts In this case I want to be able to display a column from Locations while working with Services. In SQL this is a simple join, but I want to do it the Rails/Ruby way, and also not use SQL in my code or redefine my joins.

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• Strange padding/margin when using UIWebView

  - by Nicsoft

  Hello, I am creating an app that is having a UIWebView which contains an advert. The size of the view is the same as the advert (image) itself. Still, there is a white margin/padding of some kind above and to the left of the image, inside the UIWebView. Check out the linked image: Also, I did link to the actual advert itself, you can check out the image loaded and view the source code there: Link to advert Any idea how I should remove the white padding? Thanks in advance!

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