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  • Getting a specific bit value in a byte string

    - by ignoramus
    There is a byte at a specific index in a byte string which represents eight flags; one flag per bit in the byte. If a flag is set, its corresponding bit is 1, otherwise its 0. For example, if I've got b'\x21' the flags would be 0001 0101 # Three flags are set at indexes 3, 5 and 7 # and the others are not set What would be the best way to get each bit value in that byte, so I know whether a particular flag is set or not? (Preferably using bitwise operations)

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  • Get selected value of dropdownlist in asp.net MVC

    - by Xulfee
    how can i get select value of dropdownlist and here is my code which is working fine. var list = new[] { new Person { Id = 1, Name = "Name1" }, new Person { Id = 2, Name = "Name2" }, new Person { Id = 3, Name = "Name3" } }; var selectList = new SelectList(list, "Id", "Name", 2); ViewData["People"] = selectList; <%= Html.DropDownListFor(model => model.Peoples, ViewData["People"] as IEnumerable<SelectListItem>)%>

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  • I Want to get a week value

    - by satya
    I wan to get the value of only one week. I am using the following JPA query: SELECT a FROM questions.dao.hibernate.Questions a WHERE (a.posted_date-CURRENT_DATE)>= 7 But I am getting an error message like org.hibernate.QueryException: could not resolve property: posted_date of: questions.dao.hibernate.Questions [SELECT a FROM questions.dao.hibernate.Questions a WHERE (a.posted_date-CURRENT_DATE)>=7] Please help me. Thanks

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  • WPF Trigger when Property and Data value are true

    - by KrisTrip
    I need to be able to change the style of a control when a property and data value are true. For example, my bound data has an IsDirty property. I would like to change the background color of my control when IsDirty is true AND the control is selected. I found the MultiTrigger and MultiDataTrigger classes...but in this case I need to somehow trigger on data and property. How can I do this?

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  • C# mvc 3 using selectlist with selected value in view

    - by Rob
    I'm working on a MVC3 web application. I want a list of categories shown when editing a blo from whe applications managements system. In my viewmodel i've got the following property defined for a list of selectlistitems for categories. /// <summary> /// The List of categories /// </summary> [Display(Name = "Categorie")] public IEnumerable<SelectListItem> Categories { get; set; } The next step, my controller contains the following edit action where the list of selectlistitems is filled from the database. public ActionResult Edit(Guid id) { var blogToEdit = _blogService.First(x => x.Id.Equals(id)); var listOfCategories = _categorieService.GetAll(); var selectList = listOfCategories.Select(x =>new SelectListItem{Text = x.Name, Value = x.Id.ToString(), Selected = x.Id.Equals(blogToEdit.Category.Id)}).ToList(); selectList.Insert(0, new SelectListItem{Text = Messages.SelectAnItem, Value = Messages.SelectAnItem}); var viewModel = new BlogModel { BlogId = blogToEdit.Id, Active = blogToEdit.Actief, Content = blogToEdit.Text, Title = blogToEdit.Titel, Categories = selectList //at this point i see the expected item being selected //Categories = new IEnumerable<SelectListItem>(listOfCategories, "Id", "Naam", blogToEdit.CategorieId) }; return View(viewModel); } When i set a breakpoint just before the view is being returned, i see that the selectlist is filled as i expected. So at this point everything seems to be okay. The viewmodel is filled entirely correct. Then in my view (i'm using Razor) i've got the following two rules which are supposed to render the selectlist for me. @Html.LabelFor(m => m.Categories) @Html.DropDownListFor(model=>model.Categories, Model.Categories, Model.CategoryId) @Html.ValidationMessageFor(m => m.Categories) When I run the code and open the view to edit my blog, I can see all the correct data. Also the selectlist is rendered correctly, but the item i want to be selected lost it's selection. How can this be? Until the point the viewmodel is being returned with the view everything is okay. But when i view the webpage in the browser, the selectlist is there only with out the correct selection. What am I missing here? Or doing wrong?

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  • Getting Null value Of variable in sql server

    - by Neo
    Strange situation In a trigger i assign a column value to variable but gives exception while inserting into other table using that variable. e.g select @srNO=A.SrNo from A where id=123; insert into B (SRNO) values (@srNo) // here it gives null I run above select query in query pane it works fine but in trigger it gives me null any suggestions

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  • Maximum float value in php

    - by Alex Deem
    Is there a way to programmatically retrieve the maximum float value for php. Akin to FLT_MAX or std::numeric_limits< float >::max() in C / C++? I am using something like the following: $minimumCost = MAXIMUM_FLOAT_VALUE??; foreach ( $objects as $object ) { $cost = $object->CalculateCost(); if ( $cost < $minimumCost ) { $minimumCost = $cost; } } (using php 5.2)

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  • Arrays of Objects: For each element in array 1, does an object value exist as a value in any of the objects in array 2

    - by DevOtts
    I have two arrays which contain objects in each element of the array. var array1 = [{firstName: "John", lastName: "McDonald"}, {firstName: "Sandy", lastName: "Johnson"},....,] var array2 = [{userName: "Donald"}, {userName: "John"},....,] In psuedo-code, I want to do the following: for each element in array1, is array1[i].firstName == to any of the userName's in array2. In plain english I want to look at each firstname in array1 and see if it exists at all in array2 as the value associated with the userName property.

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  • default value in web service wsdl in asp.net

    - by nrk
    Hi, I created on wcf web service and trying to test with SOAP UI. When testing with soap ui for example creating an employee, if I send soap request xml with <empId>0</empId> works fine. <empId></empId> **throwing exception.** if i completly remove <empId> tag it works fine.... Is there any way to make default value as "0" in wsdl in WCF? Thanks nRk

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  • Unable to get value of property 'keyCode': object is null or undefined : Internet Explorer

    - by user1409232
    One of the customers are facing difficulty while logging into our webiste, whenever the user types the first character in UserName text box on the sign in page, he gets below JavaScript error message. Unable to get value of property 'keyCode': object is null or undefined We do check for event.keyCode to validate the userName textbox , so as soon as the user types the first character we send the event.keyCode for validation which is failing. The browser is internet Explorer 9 and we are not able to reproduce the problem in our workstation which has I9

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  • How to read XML parent node tag value

    - by kaibuki
    HI Guys, I have a java code to read XML nodes, I want to add in the addition and want to read the parent node value also. my XML file sample is below: <breakfast_menu><food id=1><name> Belgian Waffles </name><price> $5.95 </price><description> two of our famous Belgian Waffles with plenty of real maple syrup </description><calories> 650 </calories></food><food id=2><name>Strawberry Belgian waffles</name><price>$7.95</price><description>light Belgian waffles covered with strawberries and whipped cream</description><calories>900</calories></food></breakfast_menu> and my code for parsing xml is : public static String getProductItem(String pid, String item) { try { url = new URL(""); urlConnection = url.openConnection(); } catch (MalformedURLException e) { e.printStackTrace(); } catch (IOException e) { } try { dBuilder = dbFactory.newDocumentBuilder(); } catch (ParserConfigurationException e) { } try { doc = dBuilder.parse(urlConnection.getInputStream()); } catch (SAXException e) { } catch (IOException e) { } doc.getDocumentElement().normalize(); NodeList nList = doc.getElementsByTagName("food"); for (int temp = 0; temp < nList.getLength(); temp++) { Node nNode = nList.item(temp); if (nNode.getNodeType() == Node.ELEMENT_NODE) { Element eElement = (Element) nNode; data = getTagValue(item, eElement); } } doc = null; dBuilder = null; return data; } private static String getTagValue(String sTag, Element eElement) { NodeList nlList = eElement.getElementsByTagName(sTag).item(0) .getChildNodes(); Node nValue = (Node) nlList.item(0); return nValue.getNodeValue(); } What I want to do is to read the "id" value of food, so if if I am searching for a food, it only checks those food nodes, whose id matched the food node id. thanks in advance. cheers.. kai

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  • Comboxbox Selected Value In XAML

    - by Sharath
    hi, How to set the selectedvalue for combobox. For example i have some values from 1-10 and i want to select the 5th value. I tried using SelectedValue and SelectedItem, But its not working for me. Please reply Thanks Sharath

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