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  • What are your thoughts on a possible Developer's Television Network?

    - by Anthony Forloney
    I am a huge fan of informational television shows. Anytime I can learn something new by watching a television show, I am all for it. I wondered about how the community felt about a Developer Network for developers. What are the added advantages and disadvantages of having such a TV network? As an added bonus, what type of television shows should be aired on the network? Make up some fun and interesting television shows and elaborate. Also, for each television show, who could be a potential host? Jon Skeet for a C# television show? Phil Haack for an ASP.NET television show? I am looking forward to some interesting responses.

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  • IPhone UIView:Is it possible to enable userinteraction only on subviews?

    - by Syg
    Hi guys, I created a viewcontroller that displays a button which is used to slide a view onto the screen. The idea is to place for instance three such viewcontrollers onscreen, resulting in three buttons at the bottom of the screen providing navigation. The viewcontrollers get stacked, so to the top one is now overlaying the other views and therefore the other buttons. Only the top viewcontroller's button is working in this situation, where I would like all three of them to be clickable. I tried disabling userinteraction on the view and enabling it on the buttons only, but it looks like the superview settings overrule the subview settings. Any ideas?

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  • Not possible to load DropDownList on FormView from code behind??

    - by tbone
    I have a UserControl, containing a FormView, containing a DropDownList. The FormView is bound to a data control. Like so: <asp:FormView ID="frmEdit" DataKeyNames="MetricCode" runat="server" DefaultMode="Edit" DataSourceID="llbDataSource" Cellpadding="0" > <EditItemTemplate> <asp:DropDownList ID="ParentMetricCode" runat="server" SelectedValue='<%# Bind("ParentMetricCode") %>' /> etc, etc I am trying to populate the DropDownList from the codebehind. If this was not contained in a FormView, I would normally just do it in the Page_Load event. However, that does not work within a FormView, as as soon as I try to do it, accessing the dropdownlist in code, ie: theListcontrol = CType(formView.FindControl(listControlName), System.Web.UI.WebControls.ListControl) ...the data binding mechansim of the FormView is invoked, which, of course, tries to bind the DropDownList to the underlying datasource, causing a *'ParentMetricCode' has a SelectedValue which is invalid because it does not exist in the list of items. Parameter name: value * error, since the DropDownList has not yet been populated. I tried performing the load in the DataBinding() event of the FormView, but then: theListcontrol = CType(formView.FindControl(listControlName), System.Web.UI.WebControls.ListControl) ...fails, as the FormView.Controls.Count = 0 at that point. Is this impossible? (I do not want to have to use a secondary ObjectDataSource to bind the dropdownlist to)

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  • Is it possible to update old database from dbml file ? (C#, .Net 4, Linq, SQL Server)

    - by Emil
    Hi all, I began recently a new job, a very interesting project (C#,.Net 4, Linq, VS 2010 and SQL Server). And immediately I got a very exciting challenge: I must implement either a new tool or integrate the logic when program start, or whatever, but what must happen is the following: the customers have previous application and database (full with their specific data). Now a new version is ready and the customer gets the update. In the mean time we made some modification on DB (new table, columns, maybe an old column deleted, or whatever). I’m pretty new in Linq and also SQL databases and my first solution can be: I check the applications/databases version and implement all the changes step by step comparing all tables, columns, keys, constrains, etc. (all this new information I have in my dbml and the old I asked from the existing DB). And I’ll do this each time the version changed. But somehow I feel, this is NOT a smart solution so I look for a general solution of this problem. Is there a way to update customers DB from the dbml file? To create a new one is not a problem (CreateDatabase with DataContext), is there any update/alter database methods? I guess I’m not the only one who search for such a solution (I found nothing in internet – or I looked for bad keywords). How did you solve this problem? I look also for an external tool, but first for a solution with C#, Linq or something similar. For any idea thank you in advance! Best regards, Emil

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  • Jquery Ajax Call In For Loop Only Runs Once - Possible Issue with Timing & Exit Condition?

    - by Grumps
    Background I'm building a form that uses autocomplete against the EchoNest API. First the users picks an artist, using the Artist Suggest call. Next they select a song but the Song and/Or Artist song search doesn't provide a "wild card" search. It only returns exact matches. So based on the forums they suggest building an array of the songs and using auto complete on the array. I can only get a maximum of 100 responses at a time. I do know based on the initial response the number of songs. My Plan: Wrap the ajax call in a for loop ('runonceloop'). Amend the loop exit condition after the first response with the total number of songs. Challenge I'm having: The 'runonceloop' only completes a singe loop because or at least that's what I believe: The exit condition is satisfied before the first response [1] is received. I've tried to adjust the 'exit condition' and 'counter' such that they are set and and increased at the end of the success block. This seems to lock up my browser. Can someone provide some guidance on this situation?[2] I'd really appreciate it. I also don't think turning async off is a good idea because it locks the browser. Response[1]: { "response": { "status": { "code": "0", "message": "Success", "version": "4.2" }, "start": 0, "total": 121, //Used for "songs": [ { "id": "SOXZYYG127F3E1B7A2", "title": "Karma police" }, { "id": "SOXZABD127F3E1B7A2", "title" : "Creep" } ] } } } Code[2] var songsList = []; function getSongs() { var numsongs = 2; //at least 2 runs. var startindex = 0; runonceloop: //<~~~~Referenced in question for (var j = 0;j >= numsongs;) { console.log('numsongs' + numsongs); $.ajax({ url: "http://developer.echonest.com/api/v4/artist/songs", dataType: "jsonp", data: { results: 100, api_key: "XXXXXXXXXXX", format: "jsonp", name: $("#artist").val(), start: startindex }, success: function (data) { var songs = data.response.songs; numsongs = data.response.total; //modify exit condition for (var i = 0; i < songs.length; i++) { songsList.push(songs[i].title); } j +=100;// increase by 100 to match number of responses. } }); }};

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  • Is it possible to drag windows between workspaces when using Compiz?

    - by Mike Stone
    When I used Metacity, I could drag windows between workspaces using the small icon view of my workspaces. I recently started using Compiz for all the cool desktop effects, however this drag and drop feature isn't working. I use the cube effect for switching workspaces, but I noticed the wall effect doesn't allow it either. Is this just a missing feature from Compiz or is there a setting somewhere that I can enable it? I know that I can enable dragging windows across edges to the next workspace, and the expose feature to drag windows between workspaces. However, the drag and drop on the icon view is really powerful, and I would love to have it back along with all the great Compiz special effects.

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  • possible to have a background color transition from color A to color B without repeating a pixel sti

    - by Andrew Heath
    For things like menubars and headers, a background color is nice. But a background color that gracefully transitions from say Blue to White is even nicer. I know this can be done by making a 1-pixel wide, X-pixel tall image file containing the desired fade and repeating it across the div, but does CSS have native support to just define colors and be done with it? Can any other language handle this?

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  • WPF: Is it possible to nest TreeView items with a binding expression?

    - by John Gietzen
    Lets say I have the following data: <XmlDataProvider x:Key="Values"> <x:XData> <folder name="C:"> <folder name="stuff" /> <folder name="things" /> <folder name="windows"> <folder name="system32" /> </folder> </folder> </x:XData> </XmlDataProvider> How can I get that into a treeview? I can't seem to grok hierarchical binding... I know that I can get it in there in C# code, but I wanted to do it with a binding expression.

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  • Is it possible to read data that has been separately copied to the Android sd card without having ro

    - by icecream
    I am developing an application that needs to access data on the sd card. When I run on my development device (an odroid with Android 2.1) I have root access and can construct the path using: File sdcard = Environment.getExternalStorageDirectory(); String path = sdcard.getAbsolutePath() + File.separator + "mydata" File data = new File(path); File[] files = data.listFiles(new FilenameFilter() { @Override public boolean accept(File dir, String filename) { return filename.toLowerCase().endsWith(".xyz"); }}); However, when I install this on a phone (2.1) where I do not have root access I get files == null. I assume this is because I do not have the right permissions to read the data from the sd card. I also get files == null when just trying to list files on /sdcard. So the same applies without my constructed path. Also, this app is not intended to be distributed through the app store and is needs to use data copied separately to the sd card so this is a real use-case. It is too much data to put in res/raw (I have tried, it did not work). I have also tried adding: <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> to the manifest, even though I only want to read the sd card, but it did not help. I have not found a permission type for reading the storage. There is probably a correct way to do this, but I haven't been able to find it. Any hints would be useful.

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  • Is it possible to make a persistent connection between a Python web service and a .Net WCF Client?

    - by Ad Hock
    I have a .Net 3.5 SOAP client written in C# using the WCF. It's expecting basicHTTPBinding and a persistent connection with HTTP/1.1. I'm trying to create a Python 2.6 application that will act as a web-service for the client. My problem is that the client keeps closing the connection and opening a new one for every command to the web service. How does the .Net WCF client know to stay open when connecting with a .Net Service? When I create a dummy .Net web service the client connects fine and the connection remains persistent. From what I can tell, when connected to a .Net server, there are no special HTTP headers being sent, that makes sense since HTTP/1.1 assumes a persistent connection unless otherwise specified (right?). However, with the python web service I accept/open a connection and eventually the client will send a TCP FIN and the connection will close (the client never sends a FIN or RST when connecting to a .Net service). The communication goes something like this: Incoming -- HTTP Header for SOAP Command #1 Outgoing -- HTTP Header with a Continue Incoming -- Body of Command #1 Outgoing -- ACK Command #1 (HTTP headers and body) Incoming -- HTTP Header for SOAP Command #2 Outgoing -- HTTP Header with a Continue Incoming -- TCP FIN <Connection closes> <New connection opens and SOAP command #2 (with full HTTP headers) is sent> I'm using a SocketServer.ThreadingTCPServer as the server and a BaseHTTPServer.BaseHTTPRequestHandler for any requests. The handler is actually a derived class of that with a do_POST method to handle the HTTP headers. I've looked at WireShark captures and I'm stumped. I've tried setting socket options to SO_KEEPALIVE and SO_REUSEADDR in the server but that didn't seem to change anything. What am I missing?

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  • Is is possible to use IOCP (or other API) in reactor stle operations?

    - by Artyom
    Hello, Is there any scalable Win32 API (like IOCP not like select) that gives you reactor style operations on sockets? AFAIK IOCP allows you to receive notification on completed operations like data read or written (proactor) but I'm looking for reactor style of operations: I need to get notification when the socket is readable or writable (reactor). Something similar to epoll, kqueue, /dev/poll ? Is there such API in Win32? If so where can I find a manual on it?

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  • C# - Possible to use Subinacl or something else (an api maybe?) from C# code?

    - by Svein Erik
    I've created a program in C# which creates users and adds them to groups, everything is working fine. But I also want to create a "home folder", which is on another server, and the share will be like this: 81file01/users/username. And of course set the rights of the folder to the newly created AD-user. Now we're using a vb-script to do this, and this part is done with Subinacl, but is there a way to do this through my c# code? I'm using .net 3.5 by the way :)

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  • MS Environment: How to force link a static library to another using .vsprops, if possible?

    - by msbuildnewbie
    Environment: VS 2008 in Windows. Problem: A static library, say first.lib is not linked to, say second.lib, if first.lib is specified in .vsprops file and none of its functions is referenced in the second.lib. If, however, first.lib is removed from the .vsprops file and placed instead in the appropriate project options dialog(1), it is linked, even if its functions remain unreferenced. (1) Project - Properties - Configuration Properties - Linker - Input. Our solution uses .vsprops exclusively and to somehow be able to specify first.lib in such a file with additional tweaking of some settings would be considered a more elegant solution. Using a dummy function to pull in unused functions of first.lib is not an option. Thanks in advance.

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  • TCP: Address already in use exception - possible causes for client port? NO PORT EXHAUSTION

    - by TomTom
    Hello, stupid problem. I get those from a client connecting to a server. Sadly, the setup is complicated making debugging complex - and we run out of options. The environment: *Client/Server system, both running on the same machine. The client is actually a service doing some database manipulation at specific times. * The cnonection comes from C# going through OleDb to an EasySoft JDBC driver to a custom written JDBC server that then hosts logic in C++. Yeah, compelx - but the third party supplier decided to expose the extension mechanisms for their server through a JDBC interface. Not a lot can be done here ;) The Symptom: At (ir)regular intervals we get a "Address already in use: connect" told from the JDBC driver. They seem to come from one particular service we run. Now, I did read all the stuff about port exhaustion. This is why we have a little tool running now that counts ports and their states every minute. Last time this happened, we had an astonishing 370 ports in use, with the count rising to about 900 AFTER the error. We aleady patched the registry (it is a windows machine) to allow more than the 5000 client ports standard, but even then, we are far far from that limit to start with. Which is why I am asking here. Ayneone an ide what ELSE could cause this? It is a Windows 2003 Server machine, 64 bit. The only other thing I can see that may cause it (but this functionality is supposedly disabled) is Symantec Endpoint Protection that is installed on the server - and being capable of actinc as a firewall, it could possibly intercept network traffic. I dont want to open a can of worms by pointing to Symantec prematurely (if pointing to Symantec can ever be seen as such). So, anyone an idea what else may be the cause? Thanks

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  • Is it possible to implement an infinite IEnumerable without using yield with only C# code?

    - by sinelaw
    Edit: Apparently off topic...moving to Programmers.StackExchange.com. This isn't a practical problem, it's more of a riddle. Problem I'm curious to know if there's a way to implement something equivalent to the following, but without using yield: IEnumerable<T> Infinite<T>() { while (true) { yield return default(T); } } Rules You can't use the yield keyword Use only C# itself directly - no IL code, no constructing dynamic assemblies etc. You can only use the basic .NET lib (only mscorlib.dll, System.Core.dll? not sure what else to include). However if you find a solution with some of the other .NET assemblies (WPF?!), I'm also interested. Don't implement IEnumerable or IEnumerator. Notes The closest I've come yet: IEnumerable<int> infinite = null; infinite = new int[1].SelectMany(x => new int[1].Concat(infinite)); This is "correct" but hits a StackOverflowException after 14399 iterations through the enumerable (not quite infinite). I'm thinking there might be no way to do this due to the CLR's lack of tail recursion optimization. A proof would be nice :)

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  • iPhone: Push Navigation Controller (w/ TableViewController) onto stack. Is this possible?

    - by Nic Hubbard
    I have a view which contains a UIButton. When this is clicked, it calls a method that loads another NIB. Now, normally, that nib would load a view onto the stack, and everything would be fine. But, I am trying to load a Navigation Controller (so that I can have table views that are multiple levels deep), and all I get it errors. What is the proper method for loading a Navigation Controller and putting it on the top of the stack?

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  • Is it possible to bundle a unique file for each copy of iPhone app downloaded from App Store?

    - by futureelite7
    Hi, I would like to verify the identity of each instance of the iPhone application that a user might use to connect to my service. To that end, I would like each instance of the iPhone app downloaded to include a certificate that I generate, or even some sort of UUID that I have generated. Does the App Store support the inclusion of unique files in an app bundle? Or, must such identifiers be downloaded only after the app is installed? If that is the case, is there a mechanism to ensure that the app downloaded is trusted (from me), instead of from an impersonator?

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  • Is it possible for a java.lang.Process to inherit the environement variables from another java.lang.

    - by Eric Leung
    I am trying to use groovy to do shell scripting on unix, but I am not having any luck having one process retain the environment variables changed by another process. For example, def p1 = ["bash", "-c", "source /some/setEnv.sh"].execute() Now, I would like a second process, p2, to inherit the environment variables that was set in p1. How can I do this? I don't see anything in java.lang.Process or its groovy extension that would spit out the environment variables after the process has executed.

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