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  • How update dataset with datagrid view C#

    - by Paul
    I am beginner and I have this problem. How can I can update dataset with datagridview? I binding dataset in datagrid. Edit datagrid. At finish I want update dataset with datagridview. Thank you form any advice Sory, I use Winforms. Example: I bind dataset in datagridview. dataGridViewCustomers.DataSource = _ds.Tables[0]; //edit datagridview //on this place I want update dataset with datagrid view

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  • ASP.NET : Tracking Unique page visits/views

    - by Shyju
    I have an ASP.NET application where View.aspx page will display the details of each products in a shopping cart.The page displays dynamic data(Ex: For each product id,the content will be different).Now i want to track the unique page views of each product.What are the best solutions to approach this problem ? I am already using google analytics.But i wanna custom solution for my web ap,so that i can know how many hits came for each product

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  • Producing dynamically generated range names in Excel using c#

    - by Matey
    What is the best way to produce several tables of unknown size on the same worksheet? Values will be pulled from an oracle database and are used as values on several tables. Is it possible to create dynamic named ranges or is some other method desirable? I have some experience with c# but do not have access to VSTO 2005. Any help or suggestions would be greatly appreciated. I am willing to explain the problem further if requested.

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  • Updating Textures on Runtime in OpenSceneGraph

    - by Abhishek Bansal
    I am working on a project in which i am required to capture frames from external device video and render them on openSceneGraph Node. I am also using GLSL shaders. But i dont know how to update textures on runtime. For other uniforms we need to make callbacks but do we also need to make callbacks for samplers in glsl and openSceneGraph ? My code looks like this. All i am getting right now is a black window. osg::ref_ptr<osg::Geometry> pictureQuad = osg::createTexturedQuadGeometry(osg::Vec3(0.0f,0.0f,0.0f), osg::Vec3(_deviceNameToImageFrameMap[deviceName].frame->s(),0.0f,0.0f), osg::Vec3(0.0f,0.0f,_deviceNameToImageFrameMap[deviceName].frame->t()), 0.0f, 1.0f,_deviceNameToImageFrameMap[deviceName].frame->s(), _deviceNameToImageFrameMap[deviceName].frame->t()); //creating texture and setting up parameters for video frame osg::ref_ptr<osg::TextureRectangle> myTex= new osg::TextureRectangle(_deviceNameToImageFrameMap[deviceName].frame.get()); myTex->setFilter(osg::Texture::MIN_FILTER,osg::Texture::LINEAR); myTex->setFilter(osg::Texture::MAG_FILTER,osg::Texture::LINEAR); myTex->setWrap(osg::Texture::WRAP_S, osg::Texture::CLAMP_TO_EDGE); myTex->setWrap(osg::Texture::WRAP_T, osg::Texture::CLAMP_TO_EDGE); _videoSourceNameToNodeMap[sourceName].geode = new osg::Geode(); _videoSourceNameToNodeMap[sourceName].geode->setDataVariance(osg::Object::DYNAMIC); _videoSourceNameToNodeMap[sourceName].geode->addDrawable(pictureQuad.get()); //apply texture to node _videoSourceNameToNodeMap[sourceName].geode->getOrCreateStateSet()->setTextureAttributeAndModes(0, myTex.get(), osg::StateAttribute::ON); _videoSourceNameToNodeMap[sourceName].geode->getOrCreateStateSet()->setMode(GL_DEPTH_TEST, osg::StateAttribute::OFF); _videoSourceNameToNodeMap[sourceName].geode->setDataVariance(osg::Object::DYNAMIC); //Set uniform sampler osg::Uniform* srcFrame = new osg::Uniform( osg::Uniform::SAMPLER_2D, "srcFrame" ); srcFrame->set(0); //Set Uniform Alpha osg::Uniform* alpha = new osg::Uniform( osg::Uniform::FLOAT, "alpha" ); alpha->set(.5f); alpha->setUpdateCallback(new ExampleCallback()); //Enable blending _videoSourceNameToNodeMap[sourceName].geode->getOrCreateStateSet()->setMode( GL_BLEND, osg::StateAttribute::ON); //Adding blend function to node osg::BlendFunc *bf = new osg::BlendFunc(); bf->setFunction(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); _videoSourceNameToNodeMap[sourceName].geode->getOrCreateStateSet()->setAttributeAndModes(bf); //apply shader to quad _videoSourceNameToNodeMap[sourceName].geode->getOrCreateStateSet()->setAttributeAndModes(program, osg::StateAttribute::ON); //add Uniform to shader _videoSourceNameToNodeMap[sourceName].geode->getOrCreateStateSet()->addUniform( srcFrame ); _videoSourceNameToNodeMap[sourceName].geode->getOrCreateStateSet()->addUniform( alpha );

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  • run a function when a user clicks on any list element

    - by sova
    This is probably a very common question, but I was unable to find an answer myself; All my list elements call the function setQuery like this onClick="admin_stats.setQuery(this);" rather than [hardcode] add this to every list element, is there a way to simply have it run when a list element is clicked? I'm not very familiar with jQuery Live or binding/unbinding, but I think they would play a role here? Before I reinvent a rather square-looking wheel I thought I might ask =)

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  • gnu screen - changing the default escape command key to ALT-X?

    - by Siva
    In GNU screen, I want to change the default command binding to Alt-s (by tweaking .screenrc) instead of the default C-a, the reason is I use emacs hence GNU screen binds the C-a key, sending "C-a" to the emacs becomes tedious (as @Nils said, to send "C-a" I should type "C-a a"), as well as "C-a" in bash shell, and I could change the escape to C- but some of them are already mapped in emacs and other combinations are not as easy as ALT-s . If anyone has already done a ALT key mapping, please do let me know.

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  • WPF: Problem with TreeView databinding

    - by Am
    Hi, I have a tree view defined as follows: <TreeView Grid.Row="0" Grid.Column="0" Margin="0" FlowDirection="LeftToRight" ItemTemplate="{StaticResource NavigationHeaderTemplate}" Name="TreeView2"> </TreeView> The data binding is: public class ViewTag : INotifyPropertyChanged { private string _tagName; public string TagName { get { return _tagName; } set { _tagName = value; PropertyChanged(this, new PropertyChangedEventArgs("Tag Name")); } } private ObservableCollection<ViewTag> _childTags; public ObservableCollection<ViewTag> ChildTags { get { return _childTags; } set { _childTags = value; OnPropertyChanged(new PropertyChangedEventArgs("Child Tags")); } } #region INotifyPropertyChanged Members public event PropertyChangedEventHandler PropertyChanged; public void OnPropertyChanged(PropertyChangedEventArgs e) { if (PropertyChanged != null) PropertyChanged(this, e); } #endregion public ViewTag(string tagName, ObservableCollection<ViewTag> childTags) { _tagName = tagName; _childTags = childTags; } } And my test binding is: List<ViewTag> tempTags = new List<ViewTag>(); ViewTag t1, t2, t3, t4, t5, t6; t1 = new ViewTag("Computers", null); t2 = new ViewTag("Chemistry", null); t3 = new ViewTag("Physics", null); var t123 = new ObservableCollection<ViewTag>(); t123.Add(t1); t123.Add(t2); t123.Add(t3); t4 = new ViewTag("Science", t123); var t1234 = new ObservableCollection<ViewTag>(); t1234.Add(t4); t5 = new ViewTag("All Items", t1234); t6 = new ViewTag("Untagged", null); var tall = new ObservableCollection<ViewTag>(); tall.Add(t5); tall.Add(t6); xy.Add(new ViewNavigationTree() { Header = "Tags", Image = "img/tags2.ico", Children = tall }); var rootFolders = eDataAccessLayer.RepositoryFacrory.Instance.MonitoredDirectoriesRepository.Directories.ToList(); var viewFolders = new ObservableCollection<ViewTag>(); foreach (var vf in rootFolders) { viewFolders.Add(new ViewTag(vf.FullPath, null)); } xy.Add(new ViewNavigationTree() { Header = "Folders", Image = "img/folder_16x16.png", Children = viewFolders }); xy.Add(new ViewNavigationTree() { Header = "Authors", Image = "img/user_16x16.png", Children = null }); xy.Add(new ViewNavigationTree() { Header = "Publishers", Image = "img/powerplant_32.png", Children = null }); TreeView2.ItemsSource = xy; Problem is, the tree only shows: + Tags All Items Untagged + Folders dir 1 dir 2 ... Authors Publishers The items I added under "All Items" aren't displayed. Being a WPF nub, i can't put my finger on the problem. Any help will be greatly appriciated.

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  • asp.net mvc2 - update list of objects

    - by ile
    I want to display list of objects from database, and on the same page have option to edit them. When submitting, I'd like to submit changes to all of them. I found this link: http://haacked.com/archive/2008/10/23/model-binding-to-a-list.aspx and http://www.hanselman.com/blog/ASPNETWireFormatForModelBindingToArraysListsCollectionsDictionaries.aspx but there is no description how to handle posted data in controller. Thanks in advance!

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  • sql error validating the default for column

    - by RealityDysfunction
    I am trying to set the default value for a new column I just added. In properties I am trying to set 'Default Value or Binding' to a simple XML along the lines of: <root><title>Welcome</title><body>Thank you for your time.</body></root> However, when I click away, I get "sql error validating the default for column," I set this value in other numerical columns and it worked fine. What gives?

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  • wsFederationHttpBinding over net.tcp

    - by CodeChef
    I have services that use net.tcp bindings (both streaming and buffered endpoints.) I'd like to add WIF federated security to those services, while continuing to use net.tcp bindings. I've tried to create custom bindings, but so far have been unsuccessful. Below is the general architecture that I'm attempting. I'm looking for the correct binding configuration to make this work. Client - WPF Application Relying party - WCF Service with net.tcp endpoints STS - WCF Service with http(s) endpoint

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  • How do I specify a relative local file path in DOS?

    - by donde
    I am using c#.NET 2.0 to execute DOS commands to ftp a file. All works except for 1 thing, in the cmd file I call, it runs a PUT statement. Right now the put statement has a hardcoded local file path. I need to specify a dynamic path. I've tried put %~dp0\myfile.DTL myfile.dtl but it says it can't find the file.

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  • WPF application in a one window

    - by lukas
    I would like to make an application in a one window using XAML. It should be like a slideshow with next and back button. One idea is to make 4 panels and have just one enable at the time. Is there any other way to do this? Like dynamic loading of other XAML? is it the BackgroundWorker mandatory to use with WPF (hence is DirectX rendered there's almost no GUI lags) ?

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  • Getting source code information from groovy stack trace

    - by dotsid
    When exception generated I want to show some additional information (source code) for particular exception. But grails have very hairy exceptions (it's all about groovy dynamic nature). It's my problem where to get and how to display source code. All I need is file/line information. So... Is there any possibility to get file and line where exception were generated in grails/groovy?

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  • hibernate annotation- extending base class - values are not being set - strange error

    - by gt_ebuddy
    I was following Hibernate: Use a Base Class to Map Common Fields and openjpa inheritance tutorial to put common columns like ID, lastModifiedDate etc in base table. My annotated mappings are as follow : BaseTable : @MappedSuperclass public abstract class BaseTable { @Id @GeneratedValue @Column(name = "id") private int id; @Column(name = "lastmodifieddate") private Date lastModifiedDate; ... Person table - @Entity @Table(name = "Person ") public class Person extends BaseTable implements Serializable{ ... Create statement generated : create table Person (id integer not null auto_increment, lastmodifieddate datetime, name varchar(255), primary key (id)) ; After I save a Person object to db, Person p = new Person(); p.setName("Test"); p.setLastModifiedDate(new Date()); .. getSession().save(p); I am setting the date field but, it is saving the record with generated ID and LastModifiedDate = null, and Name="Test". Insert Statement : insert into Person (lastmodifieddate, name) values (?, ?) binding parameter [1] as [TIMESTAMP] - <null> binding parameter [2] as [VARCHAR] - Test Read by ID query : When I do hibernate query (get By ID) as below, It reads person by given ID. Criteria c = getSession().createCriteria(Person.class); c.add(Restrictions.eq("id", id)); Person person= c.list().get(0); //person has generated ID, LastModifiedDate is null select query select person0_.id as id8_, person0_.lastmodifieddate as lastmodi8_, person0_.name as person8_ from Person person0_ - Found [1] as column [id8_] - Found [null] as column [lastmodi8_] - Found [Test] as column [person8_] ReadAll query : //read all Query query = getSession().createQuery("from " + Person.class.getName()); List allPersons=query.list(); Corresponding SQL for read all select query select person0_.id as id8_, person0_.lastmodifieddate as lastmodi8_, person0_.name as person8_ from Person person0_ - Found [1] as column [id8_] - Found [null] as column [lastmodi8_] - Found [Test] as column [person8_] - Found [2] as column [id8_] - Found [null] as column [lastmodi8_] - Found [Test2] as column [person8_] But when I print out the list in console, its being more weird. it is selecting List of Person object with ID fields = all 0 (why all 0 ?) LastModifiedDate = null Name fields have valid values I don't know whats wrong here. Could you please look at it? FYI, My Hibernate-core version : 4.1.2, MySQL Connector version : 5.1.9 . In summary, There are two issues here Why I am getting All ID Fields =0 when using read all? Why the LastModifiedDate is not being inserted?

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  • PHP MySQL JavaScript or AJAX Image Slideshow

    - by medoix
    Hi all, i have searched Google and also searched Stack Overflow to no avail. I am looking for a PHP / MySQL driven dynamic image slideshow. One similar to 'lightcyclers.com', i have information stored in the DB and i just want to display random or popular content etc. I am also not interested in coding one myself as i am busy working on other features. Any links or help would be much appreciated.

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  • How to use length indicator in a C++ program

    - by cj
    I want to make a program in C++ that reads a file where each field will have a number before it that indicates how long it is. The problem is I read every record in object of a class; how do I make the attributes of the class dynamic? For example if the field is "john" it will read it in a 4 char array. I don't want to make an array of 1000 elements as minimum memory usage is very important.

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  • PHP & MySQL - saving and looping problems.

    - by R.I.P.coalMINERS
    I'm new to PHP and MySQL I want a user to be able to store multiple names and there meanings in a MySQL database tables named names using PHP I will dynamically create form fields with JQuery every time a user clicks on a link so a user can enter 1 to 1,000,000 different names and there meanings which will be stored in a table called names. Since I asked my last question I figured out how to store my values from my form using the for loop but every time I loop my values when I add one or more dynamic fields the second form field named meaning will not save the value entered also my dynamic form fields keep looping doubling, tripling and so on the entered values into the database it all depends on how many form fields are added dynamically. I was wondering how can I fix these problems? On a side note I replaced the query with echo's to see the values that are being entered. Here is the PHP code. <?php if(isset($_POST['submit'])) { $mysqli = mysqli_connect("localhost", "root", "", "site"); $dbc = mysqli_query($mysqli,"SELECT * FROM names WHERE userID='$userID'"); $name = $_POST['name']; $meaning = $_POST['meaning']; if(isset($name['0']) && mysqli_num_rows($dbc) == 0 && trim($name['0'])!=='' && trim($meaning['0'])!=='') { for($n = 0; $n < count($name); $n++) { for($m = 0; $m < count($meaning); $m++) { echo $name[$n] . '<br />'; echo $meaning[$m] . '<br /><br />'; break; } } } } ?> And here is the HTML code. <form method="post" action="index.php"> <ul> <li><label for="name">Name: </label><input type="text" name="name[]" id="name" /></li> <li><label for="meaning">Meaning: </label><input type="text" name="meaning[]" id="meaning" /></li> <li><input type="submit" name="submit" value="Save" /></li> </ul> </form> If needed I will place the JQuery code.

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  • Best way to manage JSON object via GET and POST in php.

    - by Kucebe
    My site does some short ajax call in JSON format, using jQuery. At client-side i'd like to send object just passing it in ajax function, without being forced to wrap it in an object literal like this: {'JSON_Obj' : myJSON_Obj }. For the same reasons, at server-side i'd like to manage objects without the binding of $_GET['JSON_Obj'] or $_POST['JSON_Obj']. For example, using file_get_contents("php://input"), i can manage POST requests in that way, but in GET format it doesn't work. Any suggestions?

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  • (gcc) Multi-Dim Array or Double Pointer for Warning-free Compile

    - by paul simmons
    Hi, I have a function, which is called sometimes with regular, sometimes dynamic arrays. If I define the function as function_name(int[10][10] a) and send int** as a parameter, I get a warning. Opposite, if I declare function_name(int** a) and send int[][] as a parameter (after casting) I cannot access to array elements inside function. What is the correctest way?

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