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  • assign keys for combo box in java

    - by adesh kumar
    I want to add a JComboBox in Swing that is simple but I want to assign the values for each items in combo. I have the following code JComboBox jc1= new JComboBox(); jc1.addItem("a"); jc1.addItem("b"); jc1.addItem("c"); Now what I want is that when click on combo box it should return 1, 2 and 3 correspondingly instead of a ,b, c. Is there any way to assign the key values for each items in combo box?

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  • Is it possible to add an attribute to HtmlTextWriter WriteBreak

    - by skyfoot
    Hi, Is it possible to add a class to a br tag when using the HtmlTextWriter.WriteBreak method? writer.AddAttribute(HtmlTextWriterAttribute.Class, "className"); writer.WriteBreak(); I need an xHtml compliant html output and therefore the WriteBreak is perfect as it writes <br /> I want to add a class to the br so that I have <br class="className" />

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  • What will we use Theory Attribute for ?

    - by Sandbox
    I discovered [Theory] and [Datapoint] attributes in NUnit. I am not very sure about how should I use these. I think they can be used for data-driven testing and this has got me interested. There aren't many resources available on the same. Can someone explain to me how to use them or point me to resources? Thanks.

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  • Identifying all types with some attribute

    - by Tom W
    Hello SO; I have an issue with .Net reflection. The concept is fairly new to me and I'm exploring it with some test cases to see what works and what doesn't. I'm constructing an example wherein I populate a set of menus dynamically by scanning through my Types' attributes. Basically, I want to find every type in my main namespace that declares 'SomeAttribute' (doesn't matter what it is, it doesn't have any members at present). What I've done is: For Each itemtype As Type In Reflection.Assembly.GetExecutingAssembly().GetTypes If itemtype.IsDefined(Type.GetType("SomeAttribute"), False) Then 'do something with the type End If Next This crashes the application on startup - the first type it identifies is MyApplication which is fairly obviously not what I want. Is there a right and proper way to look for all the 'real' 'sensible' types - i.e. classes that I've defined - within the current assembly?

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  • Weird behavior of matching array keys after json_decode()

    - by arnorhs
    I've got some very weird behavior in my PHP code. I don't know if this is actually a good SO question, since it almost looks like a bug in PHP. I had this problem in a project of mine and isolated the problem: // json object that will be converted into an array $json = '{"5":"88"}'; $jsonvar = (array) json_decode($json); // notice: Casting to an array // Displaying the array: var_dump($jsonvar); // Testing if the key is there var_dump(isset($jsonvar["5"])); var_dump(isset($jsonvar[5])); That code outputs the following: array(1) { ["5"]=> string(2) "88" } bool(false) bool(false) The big problem: Both of those tests should produce bool(true) - if you create the same array using regular php arrays, this is what you'll see: // Let's create a similar PHP array in a regular manner: $phparr = array("5" => "88"); // Displaying the array: var_dump($phparr); // Testing if the key is there var_dump(isset($phparr["5"])); var_dump(isset($phparr[5])); The output of that: array(1) { [5]=> string(2) "88" } bool(true) bool(true) So this doesn't really make sense. I've tested this on two different installations of PHP/apache. You can copy-paste the code to a php file yourself to test it. It must have something to do with the casting from an object to an array.

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  • Remove C# attribute of a property dynamically

    - by SysAdmin
    Hi, I have a class with a set of properties As given below. class ContactInfo { [ReadOnly(true)] [Category("Contact Info")] public string Mobile { get; set; } [Category("Contact Info")] public string Name{ get; set; } } The objects of this class is being assigned to a property grid, so that the users can update an existing contact. you can see that Mobile is marked as ReadOnly. But, when I want to add an entirely new Contact, I would want the users to be able to edit the contact Mobile also. For that I need to remove the Readonly property dynamically from the Type, before assigning the object to the property grid. Is it possible?

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  • adding the style attribute via code

    - by nourdine
    hello I was wondering how to assign a style via code in adroid. suppose I have a TextView created with the following snippet: TextView myText = new TextView(this); how do I assign the class xxx so that myText will be styled like an hard coded TextView like this: <TextView style="@style/xxx" /> thanks

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  • Why is Serializable Attribute required for an object to be serialized

    - by Keivan
    Based on my understanding SerializableAttribute provides no compile time checks, as its all done at runtime, then why is it required for classes to be marked as serializable? Couldn't sterilizer just try to serialize an object and just fail? isn't it what it does right-now when something is marked, it tries and fails. wouldn't it be better if you had to mark things as unserializable rather than serializable? that way you wouldn't have the problem of libraries not marking things as serializable?

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  • How to hide keys in application?

    - by WilliamKF
    I have a C++ client/server application where the client and server are my executable. Each time a connection is made between the client and server, I generate a new encryption key for that session and I wish to transmit this session key and encrypt this session key using a static key that is built into both the client and server. However, running strings on my executable reveals the static key. How can I hide the embedded static key in my client and server application so that they are not easily extracted and thus allowing someone to decode my session key.

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  • Changing a php "echoed" div attribute with php

    - by Zakaria
    Hi everybody, I'm using PHP to echo a content stored on my database. The content is a DIV carrying any type of data. The problem is that I don't know the ID and I have some problems with these DIVs if I try to display them more that once. So, the idea is to modify the DIV id each time I'd like to display them. Something like this: <?php modify_div_id($data,"id-456"); ?> Is there a solution for this problem? Thank you very much, regards.

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  • GridView - set selected index by searching through data keys

    - by Cristian Boariu
    Hi, I have a GridView which has DataKey[0] as productId. If i have for instance productId = 54, is there any way to search through all GridView item and set as selected the one who has DataKEy[0] = 54? In drop down list i have : ddlProducts.Items.FindByValue(lblProduct.Text.ToString())).Selected = true Is anything similar for GridView? Thanks in advance.

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  • how to get the css keys and values for any html tag

    - by artsince
    I would like to dump all css key/value pairs for an html tag. In particular, I would like to learn the css properties for <audio> tag, so I can try to customize the look. document.getElementById('myaudio').style returns a CSSStyleDeclaration object but length returns 0 and I cannot figure out to iterate over the key/value pairs. Thank you

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  • Newbie question attribute from associated table not showing up in index view

    - by Lauren
    Hi I know this is something simple I am doing wrong. I have three tables, installation, neighborhood, schools Installation: has_many :schools has_many :neighborhoods Neighborhood: has_many :installations has_many :schools Schools: belongs_to :installations belongs_to :neighborhoods I can't figure out how to show the name of the neighborhood the school is located in on the index view. I can get it to show on the show view once I have the school id. But on the index view I can't figure out what to put in the controller that will allow me to access the neighborhood name from the neighborhood_id that is in the School model. I am sure this is so easy and I am screwing up something stupid. HELP!

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  • How to redirect Sub domain as attribute in page with .htaccess

    - by rkaartikeyan
    I want like this Ex: http://user1.mysite.com or http://user2.mysite.com if anyone enter URL Like these on browsers it should go as bellow http://mysite.com/user.php?userName=user1 How can i solve this with .htaccess With help of Prix i solved this Issue RewriteEngine On RewriteCond %{HTTP_HOST} !^www\.mysite\.com [NC] RewriteCond %{HTTP_HOST} ^(.*)\.mysite\.com RewriteRule ^(.*)$ http://mysite.com/user.php?userName=%1 [R=301] Its working fine :) http://user1.mysite.com http://mysite.com/user.php?userName=user1 -> This one is working fine with Prix Code Now i want Like Bellow. I have tried lot but not working. So again i don't have anyway rather than ask here. I want like this http://user1.mysite.com/inbox/ http://mysite.com/inbox.php?userName=user1 And also Like this http://user1.mysite.com/message/1 http://mysite.com/view-message.php?userName=user1&messageID=1

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  • Better alternative to autonumber primary keys

    - by Comrad_Durandal
    I am looking for a better primary key than the autonumber data type, namely for the reason that it's limited to a long integer, when I really just need the field to reflect a number or text string that will never ever repeat, no matter HOW many records are added or deleted from the table. The problem is I am not sure how to implement something like turning the current date and time into a hexadecimal string and using that as a unique field I can use as a primary key. Am I just being too paranoid about running out of space?

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  • DataContractJsonSerializer generating Ghost string to JSON keys?

    - by Anil Namde
    DataContractJsonSerializer this is nice class added in the .net framework which can be used to serialize/desirealize object into JSON. Now following is the example i am trying [Serializable] class User { public string name; public string userId; } Now following is the output generated Output : Notice structure where only "name" is expected instead of k__BackingField Now this is the problem after digging so much i am not sure from where < and _BackingField is coming ? { "<name>k__BackingField":"test user", "<userId>k__BackingField":100001}

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  • Where to store Android preference keys?

    - by pixel
    When I create preference activity I define all preferences in xml file. Every preference has a key defined in this xml. But when I access preference I write: SharedPreferences appPreferences = PreferenceManager.getDefaultSharedPreferences(this); boolean foo_value = appPreferences.getBoolean("foo_key_defined_in_xml", false); Is there any way to avoid acessing "foo_key_defined_in_xml" in hard-coded way? Maybe there is a possibility to access it in R style way?

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  • Secondary keys in a B-tree

    - by Phenom
    Let's say that there is a file that contains an unsorted list of student information, which includes a student ID number as well as other information. I want to make a program that retrieves student information based on student ID number. In order to make it efficient, I store the student IDs in a B-tree. So when I enter a student ID number, it searches the B-tree to see if its there or not. It also does one more thing. If it finds the student ID number, then it also returns where in the file that student's information is. This is the secondary key. The program uses this information to locate the rest of the student's information and prints it to screen. Can this be done? Is this how a b-tree works?

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  • jQuery script to move an attribute of matched element to their children

    - by UserControl
    I have a set of anchors like <a class="lb" href="#">text</a> <a class="lb" href="#" style="width:200px">text</a> <a class="lb" href="#" style="color: reen; width:200px">text</a> that needs to be transformed to the following: <a class="lb" href="#"><span>text</span></a> <a class="lb" href="#"><span style="width:200px">text</span></a> <a class="lb" href="#" style="color:green"><span style="width:200px">text</span></a> I have no problem creating child span but don't know how to move parent's width styling.

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  • jQuery script to move an attribute of matched elements to their children

    - by UserControl
    I have a set of anchors like <a class="lb" href="#">text</a> <a class="lb" href="#" style="width:200px">text</a> <a class="lb" href="#" style="color: reen; width:200px">text</a> that needs to be transformed to the following: <a class="lb" href="#"><span>text</span></a> <a class="lb" href="#"><span style="width:200px">text</span></a> <a class="lb" href="#" style="color:green"><span style="width:200px">text</span></a> I have no problem creating child span but don't know how to move parent's width styling.

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