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  • Quick MVC2 checkbox question

    - by kevinmajor1
    In order to get my EF4 EntityCollection to bind with check box values, I have to manually create the check boxes in a loop like so: <p> <%: Html.Label("Platforms") %><br /> <% for(var i = 0; i < Model.AllPlatforms.Count; ++i) { %> <%: Model.AllPlatforms[i].Platform.Name %> <input type="checkbox" name="PlatformIDs" value="<%: Model.AllPlatforms[i].Platform.PlatformID %>" /><br /> <% } %> </p> It works, but it doesn't automatically populate the group of check boxes with existing values when I'm editing a model entity. Can I fudge it with something like? <p> <%: Html.Label("Platforms") %><br /> <% for(var i = 0; i < Model.AllPlatforms.Count; ++i) { %> <%: Model.AllPlatforms[i].Platform.Name %> <input type="checkbox" name="PlatformIDs" value="<%: Model.AllPlatforms[i].Platform.PlatformID %>" checked=<%: Model.GameData.Platforms.Any(p => PlatformID == i) ? "true" : "false" %> /><br /> <% } %> </p> I figure there has to be something along those lines which will work, and am just wondering if I'm on the right track. EDIT: I'm purposely staying away from MVC's check box HTML helper methods as they're too inflexible for my needs. My check boxes use integers as their values by design.

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  • javascript xmlhttprequest question.

    - by Johnny
    assumbe ie is still the dominate web browser, the XMLHttpRequest.responseText or XMLHttpRequest.responseXML in ie desire txt or xml/xhtml/html,but what about the server response the xmlHttprequest whith MIME TYPE octact/binary? would the response string all littele than 256 ?(every char of that string < 256), thanks very much for a straight answer, i have no webserver env,so i don't know how to test it out.

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  • [objective C] IPhone question about UIImageView memory menagement

    - by BQuadra
    Hi, i have a UIImageView of 1024x768 (the room of my game) and other various UIIMageView on it (the object of my game). The iPhone screen is smaller than the room (UIImageView 1024x768) .. i want to understand if the iPhone's system automatically intercepts the graphic elements outside the visible area of Room (the player's view) and unload temporarily (for memory optimization) or i must do this by hand?? thanks

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  • Unix Interview Question [closed]

    - by Rachel
    I am giving some interviews right now and recently I was asked this questions in Interview and I was not sure of the answer, in your opinion are this kind of questions worthwhile for Interview process and if yes than how would you go about approaching this kind of questions. How to get number of files in directory without using wc ? How to get all files in descending order on size ? What is the significance of ? in file searching ? Would appreciate if you can provide answers for this questions so that I could learn something about them as I am not sure for this questions.

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  • Rails newb syntax question

    - by Veep
    I'm in the console, looking at someone else's app. I come across the following: >> p.location => [#<Tag id: 2, name: "projects">] Why do I see this result, which seems to be the object name, and how do I access the actual attribute name, "projects"? >> p.location.name => "Tag" Thank you very much!

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  • Search SQL Question Between Related Two Tables

    - by mTuran
    Hi, I am writing some kind of search engine for my web application and i have a problem. I have 2 tables first of is projects table: PROJECTS TABLE id int(11) NO PRI NULL auto_increment employer_id int(11) NO MUL NULL project_title varchar(100) NO MUL NULL project_description text NO NULL project_budget int(11) NO NULL project_allowedtime int(11) NO NULL project_deadline datetime NO NULL total_bids int(11) NO NULL average_bid int(11) NO NULL created datetime NO MUL NULL active tinyint(1) NO MUL NULL PROJECTS_SKILLS TABLE project_id int(11) NO MUL NULL skill_id int(11) NO MUL NULL For example: I want ask this query to database: 1-) Skills are 5 and 7. 2-) Order results by created 3-) project title contains "php" word. 4-) Returned rows should contain projects.* columuns. 5-) Projects should be distinct(i don't want same projects in return of query). Please write sql query that ensure these conditions. Thank You.

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  • python class decorator question?

    - by nsharish
    decorator 1: def dec(f): def wrap(obj, *args, **kwargs): f(obj, *args,**kwargs) return wrap decorator 2: class dec: def __init__(self, f): self.f = f def __call__(self, obj, *args, **kwargs): self.f(obj, *args, **kwargs) A sample class, class Test: @dec def disp(self, *args, **kwargs): print(*args,**kwargs) The follwing code works with decorator 1 but not with decorator 2. a = Test() a.disp("Message") I dont understand why decorator 2 is not working here. Can someone help me with this?

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  • c# parameters question

    - by n00b
    I am new to c# and need help understanding what going on in the following function public bool parse(String s) { table.Clear(); return parse(s, table, null); } where table is a Dictionary. I can see that is is recursive but how is parse being passed three params when it is defined to take just a string?

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  • C# Winform Question

    - by Soo
    Hi SO, I'm just getting started with winforms in C# and things are going well, except I want to learn how to do something like: if user presses "proceed" button, it will run some code, and change the form, so that there are more options available to the user on the form. In other words, I want to make my forms more than one "page". I hope that all makes sense. Any help would be appreciated, thanks!

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  • Multi-Threading Question Concerning WPF

    - by Andrew
    Hello, I'm a newbie to threading, and I don't really know how to code a particular task. I would like to handle a mouse click event on a window that will kick off a while loop in a seperate thread. This thread, which is distinct from the UI thread, should call a function in the while loop which updates a label on the window being serviced by the UI thread. The while loop should stop running when the left mouse button is no longer being pressed. All the loop does is increment a counter, and then repeatedly call the function which displays the updated value in the window. The code for the window and all of the threading is given below (I keep getting some error about STA threading, but don't know where to put the attribute). Also, I'm hoping to use this solution, if it ever works, in another project that makes asynchronous calls elsewhere to a service via wcf, so I was hoping not to make any application-wide special configurations, since I'm really new to multi-threading and am quite worried about breaking other code in a larger program... Here's what I have: <Window x:Class="WpfApplication2.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:local="clr-namespace:WpfApplication2" Name="MyMainWindow" Title="MainWindow" Width="200" Height="150" PreviewMouseLeftButtonDown="MyMainWindow_PreviewMouseLeftButtonDown"> <Label Height="28" Name="CounterLbl" /> </Window> And here's the code-behind: using System.Windows; using System.Windows.Input; using System.Threading; namespace WpfApplication2 { /// <summary> /// Interaction logic for MainWindow.xaml /// </summary> public partial class MainWindow : Window { private int counter = 0; public MainWindow() { InitializeComponent(); } private delegate void EmptyDelegate(); private void MyMainWindow_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e) { Thread counterThread = new Thread(new ThreadStart(MyThread)); counterThread.Start(); } private void MyThread() { while (Mouse.LeftButton == MouseButtonState.Pressed) { counter++; Dispatcher.Invoke(new EmptyDelegate(UpdateLabelContents), null); } } private void UpdateLabelContents() { CounterLbl.Content = counter.ToString(); } } } Anyways, multi-threading is really new to me, and I don't have any experience implementing it, so any thoughts or suggestions are welcome! Thanks, Andrew

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  • C++ cin whitespace question

    - by buddyfox
    Programming novice here. I'm trying to allow a user to enter their name, firstName middleName lastName on one line in the console (ex. "John Jane Doe"). I want to make the middleName optional. So if the user enters "John Doe" it only saves the first and last name strings. If the user enters "John Jane Doe" it will save all three. I was going to use this: cin >> firstName >> middleName >> lastName; then I realized that if the user chooses to omit their middle name and enters "John Doe" the console will just wait for the user to enter a third string... I know I could accomplish this with one large string and breaking it up into two or three, but isn't there a simpler way to do it with three strings like above? I feel like I'm missing something simple here... Thanks in advance.

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  • Android Layout question

    - by Nils
    Hello, I need to create a map with items on it (the map consists of a drawable object, which represents a room) and I thought about using buttons with background images for the items so that they are clickable. I guess the AbsoluteLayout fits here the best, but unfortunately it's deprecated. What layout would you recommend me for this kind of application ? Is there another layout which supports X/Y coordinates ?

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  • Beginner PHP Question

    - by user317128
    I am working on an example from a php book and am getting an error on line 8 with this code <?php $agent = getenv("HTTP_USER_AGENT"); if (preg_match("/MSIE/i", "$agent")); { $result = "You are using Microsoft Internet Explorer"; } else if (preg_match("/Mozilla/i", "$agent")); { $result = "You are using Mozilla firefox"; } else {$result = "you are using $agent"; } echo $result; ?>

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  • C++ assignment question [closed]

    - by Adam Joof
    (Bubble Sort) In the bubble sort algorithm, smaller values gradually "bubble" their way upward to the top of the array like air bubbles rising in water, while the larger values sink to the bottom. The bubble sort makes several passes through the array. On each pass, successive pairs of elements are compared. If a pair is in increasing order (or the values are identical), we leave the values as they are. If a pair is in decreasing order, their values are swapped in the array. Write a program that sorts an array of 10 integers using bubble sort.

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  • PHP Object conversion question

    - by karlthorwald
    I am converting from JSON to object and from object to array. It does not what I expected, can you explain to me? $json = '{"0" : "a"}'; $obj = json_decode($json); $a = (array) $obj; print_r($a); echo("a0:".$a["0"]."<br>"); $b = array("0" => "b"); print_r($b); echo("b0:".$b["0"]."<br>"); The output here is: Array ( [0] => a ) a0: Array ( [0] => b ) b0:b I would have expected a0:a at the end of the first line.

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  • MySQL concat question

    - by Lucy Williard
    Hi guys! I am somewhat mystified by concat and joins in MySQL 4. Here's where I am having an issue. I have two tables... person id, fname, lname, city, state, zip capital state, city I am needing to generate all states and the number of persons (from the person table) from each. Something like .... AK | 5 AL | 7 etc etc Any advice would be appreciated. I so rarely am asked to do anything MySQL related and I'm stumped. Lucy

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  • NHibernate Criteria question

    - by Jeneatte Jolie
    I have a person object, which can have unlimited number of first names. So the first names are another object. ie person --- name             --- name             --- name What I want to do is write an nhiberate query using which will get me a person who has certain names. so one query might be find someone whose names are alison and jane and philippa, then next query may be one to find someone whose names are alison and jane. I only want to return people who have all the names I'm search on. So far I've got ICriteria criteria = session.CreateCriteria(typeof (Person)); criteria.CreateAlias("Names", "name"); ICriterion expression = null; foreach (string name in namesToFind) { if (expression == null) { expression = Expression.Like("name.Value", "%" + name + "%"); } else { expression = Expression.Or( expression, Expression.Like("name.Value", "%" + name + "%")); } } if (expression != null) criteria.Add(expression); But this is returning every person with ANY of the names I'm searching on, not ALL the names. Can anyone help me out with this? Thanks!

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  • Simple java synchronization question

    - by Misha Koshelev
    I was wondering, which is correct: Option One class A { public void methodOne() { synchronized(this) { modifyvalue notifyAll() } } public void methodTwo() { while (valuenotmodified) { synchronized(this) { wait() } } } Option Two class A { public void methodOne() { modifyvalue synchronized(this) { notifyAll() } } public void methodTwo() { while (valuenotmodified) { synchronized(this) { wait() } } } and why?

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  • DMX Analysis Services question

    - by user282382
    Hi, I am have two mining models, both are time series. One is [Company_Inputs] and the other is [Booking_Projections]. What I want to do is use EXTEND_MODEL_CASES to join the results of [Company_Inputs] as the extended cases. So basically something like: Select Flattened PredictTimeSeries([Bookings], 1, 6, EXTEND_MODEL_CASES) FROM [Booking_Projections] Natural Prediction Join (Select Flattened PredictTimeSeries([Metric1], 1, 6) From [Company_Inputs]) AS T This code of course doesn't work, but the idea is to use the predictions made from [Company_Inputs] as cases for predicting future values of [Booking_Projections] If anyone has an idea of how I can accomplish this I would appreciate it very much.

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  • Hibernate question hbm2ddl.auto possible values and what they do

    - by Suzan
    I really want to know more about the update, export and the values that could be given to hbm2ddl.auto. I need to know when to use the update and when not? And what is the alternative? These are changes that could happen over DB: New tables new columns in old tables columns deleted data type of a column changed a type of a column changed it attributes tables have been dropped values of a column has changed In each case what is the best solution?

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  • mysql to xml (DOM question)

    - by Jerry
    Hello guys I am new to php dom and trying to get the mysql data transfer into xml. My current xml output is like this <markers> <city> <name>Seattle</name> <size>medium</size> <name>New York</name> <size>big</size> <city> <markers> but I want to change it to <markers> <city> <name>Seattle</name> <size>medium</size> <city> <city> <name>New York</name> <size>big</size> </city> <city> <markers> my php $dom=new DOMDocument("1.0"); $node=$dom->createElement("markers"); $parnode=$dom->appendChild($node); $firstElement=$dom->createElement("city"); $parnode->appendChild($firstElement); $getLocationQuery=mysql_query("SELECT * FROM location",$connection); header("Content-type:text/xml"); while($row=mysql_fetch_assoc($getLocationQuery)){ foreach ($row as $fieldName=>$value){ $child=$dom->createElement($fieldName); $value=$dom->createTextNode($value); $child->appendChild($value); $firstElement->appendChild($child); } } I can't figure out how to change my php code. Please help me about it. Thanks a lot.

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  • Tcl question - how to list functions in a namespace

    - by Bub Bradlee
    I am trying to list all of the functions a namespace has in it (warning - I'm really new to Tcl, so I'll probably use the wrong words for parts of Tcl). For example, I have a tcl shell someone compiled for me (if that's the right way to phrase it), and I know at least one function exists, let's call it blah::do_something I know in ruby there are ways to list all the functions in a module/namespace. How would I find out what other functions are available in the blah namespace in Tcl? Thanks in advance

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