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  • Sub Language C#

    - by j-t-s
    Hi All I was just wondering, is it at all possible to create sort of like a "Sub-language" in C# OR C++? or would a better term be "Extension"? And can somebody please provide links/resources? Much appreciated! :) thanks jason

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  • Writing module to get video/audio from HDMI

    - by Martin
    I would like to write a small module that can check if anything is connected to my computer's HDMI input, and if so write a frame of video to bitmap once in a while. Can anyone point me to resources regarding grabbing audio/video from HDMI on windows?

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  • SQL to get rows (not groups) that match an aggregate

    - by xulochavez
    Given table USER (name, city, age), what's the best way to get the user details of oldest user per city? I have seen the following example SQL used in Oracle which I think it works select name, city, age from USER, (select city as maxCity, max(age) as maxAge from USER group by city) where city=maxCity and age=maxAge So in essence: use a nested query to select the grouping key and aggregate for it, then use it as another table in the main query and join with the grouping key and the aggregate value for each key. Is this the standard SQL way of doing it? Is it any quicker than using a temporary table, or is in fact using a temporary table interanlly anyway?

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  • WP7 Button inside ListBox only "clicks" every other press

    - by Zik
    I have a button defined inside of a DataTemplate for my list box. <phone:PhoneApplicationPage.Resources> <DataTemplate x:Key="ListTemplate"> <Grid Margin="12,12,24,12"> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="Auto" /> <ColumnDefinition Width="*" /> </Grid.ColumnDefinitions> <Button Grid.Column="0" Name="EnableDisableButton" Click="EnableDisableButton_Click" BorderBrush="Transparent"> <Grid> <Grid.RowDefinitions> <RowDefinition Height="Auto" /> <RowDefinition Height="Auto" /> </Grid.RowDefinitions> <Image Grid.Row="0" Source="\Images\img.dark.png" Width="48" Height="48" Visibility="{StaticResource PhoneDarkThemeVisibility}" /> <Image Grid.Row="0" Source="\Images\img.light.png" Width="48" Height="48" Visibility="{StaticResource PhoneLightThemeVisibility}" /> <Rectangle Grid.Row="1" Width="48" Height="8" Fill="{Binding CurrentColor}" RadiusX="4" RadiusY="4" /> </Grid> </Button> <Grid Grid.Column="1"> <... more stuff here ...> </Grid> </Grid> </DataTemplate> </phone:PhoneApplicationPage.Resources> What I'm seeing is that the first time I press the button, the Click event fires. The second time I press it, it does not fire. Third press, fires. Fourth press, does not fire. Etc. Originally I had it bound to a command but that was behaving the same way. (I put a Debug.WriteLine() in the event handler so I know when it fires.) Any ideas? It's really odd that the click event only fires every other time.

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  • Mapping C structure to an XML element

    - by EFraim
    Suppose I have a structure in C or C++, such as: struct ConfigurableElement { int ID; char* strName; long prop1; long prop2; ... }; I would like to load/save it to/from the following XML element: <ConfigurableElement ID="1" strName="namedElem" prop1="2" prop2="3" ... /> Such a mapping can be trivially done in Java/C# or any other language with run-time reflection for the matter. Can it be done in any non-tedious way in C++ with macros/template trickery? Bonus points for handling nested structures/unions.

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  • SQL Reporting Services 2005 - Date field based on a user entered date?

    - by Pierce
    Hi, I have a report in report services 2005 that has two date fields. The problem is that if users run this for a large section of time it uses too much resources on our server. It is possible to only allow the end user to enter the start date and then the end date be auto populated/derived from this field (for example they enter the 1st of a month and this automatically change the end date to the last of a month.)

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  • What are some Coldfusion (mx7 and greater) "Gotchas" that I should know about?

    - by jakeonrails
    I just spent half the day troubleshooting what is apparently a rather famous gotcha for Coldfusion MX7 and below: The nested query loop bug: Where you are required to reference the current_row of the outer query or else you will only see the first record. For example: <cfloop query="outer"> <cfloop query="innner"> <p>#outer.field#</p><!--- this won't work, you'll only get the first row ---> <p>#outer.field[current_row]#</p><!--- you must do this instead ---> </cfloop> </cfloop> Are there any other ways in which ColdFusion does not work in the obvious way?

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  • Nesting if else statements in PHP to validate a URL

    - by John
    I'm currently writing up a function in order to validate a URL by exploding it into different parts and matching those parts with strings I've defined. This is the function I'm using so far: function validTnet($tnet_url) { $tnet_2 = "defined2"; $tnet_3 = "defined3"; $tnet_5 = "defined5"; $tnet_7 = ""; if($exp_url[2] == $tnet_2) { #show true, proceed to next validation if($exp_url[3] == $tnet_3) { #true, and next if($exp_url[5] == $tnet_5) { #true, and last if($exp_url[7] == $tnet_7) { #true, valid } } } } else { echo "failed on tnet_2"; } } For some reason I'm unable to think of the way to code (or search for the proper term) of how to break out of the if statements that are nested. What I would like to do check each part of the URL, starting with $tnet_2, and if it fails one of the checks ($tnet_2, $tnet_3, $tnet_5 or $tnet_7), output that it fails, and break out of the if statement. Is there an easy way to accomplish this using some of the code I have already?

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  • Lots of users still using 1.5?

    - by user246114
    Hi, I'm looking at market stats here for sdk distribution: http://developer.android.com/resources/dashboard/platform-versions.html saying that 31% of marketplace users are still running 1.5. Is it true that an OS update went out for G1 and myTouch users? I'm wondering why so many people are still running 1.5 if so? Just curious because I'd like to use th setView() method introduced in 1.6 for TabSpec, but not if so many people are still using 1.5, I might have to roll my own control, Thanks

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  • How do submit an object to a struts2 action using jQuery?

    - by James Drinkard
    I have an object that I'm populating from a selection off a table row that a user selects. I have a jQuery function that captures the click event and a hidden form field populates an id I need. However, I'm not sure as to the proper way to send off that object to a struts2 action? I tried using this: $(function() { $('#tbl tr').click(function() { var id = $(this).closest('tr').find('input:hidden').val(); var page = "<s:url action='update/deleteInfo.action'/>?model.isDelete=true&model.info.id=id"; console.log(page); window.location.href=(page); }); }); The model object has an isDelete boolean variable and the model has a nested info object that has an id variable with getter/setters. However, when I send this across, the model object isn't populated with these entries. Is there a way to do this or a better way than the url tag?

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  • Should I implement IDisposable here?

    - by dotnetdev
    My method which calls SQL Server returns a datareader but because of what I need to do (return the datareader to the calling method which is in page code-behind), I can't close the connection in the class of the method which calls sql server, so I have no finally or using blocks. Is the correct way of disposing resources to make the class implement IDisposable? Or from the caller, explicitly dispose the unmanged resource (class-level fields)? Thanks

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  • DisplayMemberPath is not working in WPF

    - by WpfBee
    I want to display CustomerList\CustomerName property items to the listBox using ItemsSource DisplayMemberPath property only. But it is not working. I do not want to use DataContext or any other binding in my problem. Please help. My code is given below: MainWindow.xaml.cs namespace BindingAnItemControlToAList { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } } public class Customer { public string Name {get;set;} public string LastName { get; set; } } public class CustomerList { public List<Customer> Customers { get; set; } public List<string> CustomerName { get; set; } public List<string> CustomerLastName { get; set; } public CustomerList() { Customers = new List<Customer>(); CustomerName = new List<string>(); CustomerLastName = new List<string>(); CustomerName.Add("Name1"); CustomerLastName.Add("LastName1"); CustomerName.Add("Name2"); CustomerLastName.Add("LastName2"); Customers.Add(new Customer() { Name = CustomerName[0], LastName = CustomerLastName[0] }); Customers.Add(new Customer() { Name = CustomerName[1], LastName = CustomerLastName[1] }); } } } **MainWindow.Xaml** <Window x:Class="BindingAnItemControlToAList.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:BindingAnItemControlToAList" Title="MainWindow" Height="350" Width="525" Loaded="Window_Loaded" > <Window.Resources> <local:CustomerList x:Key="Cust"/> </Window.Resources> <Grid Name="Grid1"> <ListBox ItemsSource="{Binding Source={StaticResource Cust}}" DisplayMemberPath="CustomerName" Height="172" HorizontalAlignment="Left" Margin="27,23,0,0" Name="lstStates" VerticalAlignment="Top" Width="245" /> </Grid> </Window>

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