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  • Link to open jQuery Accordion

    - by pioneer
    I'm trying to open an accordion div from an external link. I see the "navigation: true" option but I'm not sure how to implement it. Do you give each div an id and call the link like this? http://domain.com/link#anchorid I'm new to jQuery so bear with me. Here is the code I'm using if it helps. <script type="text/javascript"> $(function(){ $("#accordion").accordion({ header: "h2", autoHeight: false, animated: false, navigation: true }); }); </script> <div id="accordion"> <div> <h2><a href="#">Services</a></h2> <div class="services"> <p>More information about all of these services</p> </div> </div>

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  • Problem retrieving HTML5 video duration

    - by drebabels
    UPDATE: Ok so although I haven't solved this problem exactly, but I did figure out a work around that handles my biggest concern... the user experience. First the video doesn't begin loading until after the viewer hits the play button, so I am assuming that the duration information wasn't available to be pulled (I don't know how to fix this particular issue... although I assume that it would involve just loading the video metadata separately from the video, but I don't even know if that is possible). So to get around the fact that there is no duration data, I decided to hide the duration info (and actually the entire control) completely until you hit play. I know... its cheating. But for now it makes me happy :) That said... if anyone knows how to load the video metadata separately from the video file... please share. I think that should completely solve this problem. I am working on building a HTML5 video player with a custom interface, but I am having some problems getting the video duration information to display. My HTML is real simple (see below) <video id="video" poster="image.jpg" controls> <source src="video_path.mp4" type="video/mp4" /> <source src="video_path.ogv" type="video/ogg" /> </video> <ul class="controls"> <li class="time"><p><span id="timer">0</span> of <span id="duration">0</span></p></li> </ul> And the javascript I am using to get and insert the duration is var duration = $('#duration').get(0); var vid_duration = Math.round(video.duration); duration.firstChild.nodeValue = vid_duration; The problem is nothing happens. I know the video file has the duration data because if I just use the default controls, it displays fine. But the real strange thing is if I put alert(duration) in my code like so alert(duration); var vid_duration = Math.round(video.duration); duration.firstChild.nodeValue = vid_duration; then is works fine (minus the annoying alert that pops up). Any ideas what is happening here or how I can fix it?

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  • PLT Scheme Extracting field ids from structures

    - by Steve Knight
    I want to see if I can map PLT Scheme structure fields to columns in a DB. I've figured out how to extract accessor functions from structures in PLT scheme using the fourth return value of: (struct-type-info) However the returned procedure indexes into the struct using an integer. Is there some way that I can find out what the field names were at point of definition? Looking at the documentation it seems like this information is "forgotten" after the structure is defined and exists only via the generated-accessor functions: (<id>-<field-id> s). So I can think of two possible solutions: Search the namespace symbols for ones that start with my struct name (yuk); Define a custom define-struct macro that captures the ordered sequence of field-names inside some hash that is keyed by struct name (eek).

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  • jQuery Validation errorPlacement

    - by Steve
    This works: $("[id$='_zzz']").rules( "add", { required: true, minlength: 8, messages: { required: "...", minlength: jQuery.format("...") } } ); The error message comes up. When I try to style the message, this doesn't work: $("[id$='_zzz']").rules( "add", { required: true, minlength: 8, messages: { required: "...", minlength: jQuery.format("...") }, errorElement: "span", errorPlacement: function(error, element) { error.insertAfter(element); error.css("margin", "0 0 0 5px"); } } ); When I style via the validate function, the styling is applied so it works: $('#aspnetForm').validate({ errorElement: "span", errorPlacement: function(error, element) { error.insertAfter(element); error.css("margin", "0 0 0 5px"); } }); Why can't I style using errorplacement in the rules add function?

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  • Scala regex Named Capturing Groups

    - by Brent
    In scala.util.matching.Regex trait MatchData I see that there support for groupnames (Named Capturing Groups) But since Java does not support groupnames until version 7 as I understand it, Scala version 2.8.0.RC4 (Java HotSpot(TM) 64-Bit Server VM, Java 1.6. gives me this exception: scala> val pattern = """(?<login>\w+) (?<id>\d+)""".r java.util.regex.PatternSyntaxException: Look-behind group does not have an obvio us maximum length near index 11 (?<login>\w+) (?<id>\d+) ^ at java.util.regex.Pattern.error(Pattern.java:1713) at java.util.regex.Pattern.group0(Pattern.java:2488) at java.util.regex.Pattern.sequence(Pattern.java:1806) at java.util.regex.Pattern.expr(Pattern.java:1752) at java.util.regex.Pattern.compile(Pattern.java:1460) So the question is Named Capturing Groups supported in Scala? If so any examples out there? If not I might look into the Named-Regexp lib from clement.denis.

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  • Clear default values using onsubmit

    - by Thomas
    I need to clear the default values from input fields using js, but all of my attempts so far have failed to target and clear the fields. I was hoping to use onSubmit to excute a function to clear all default values (if the user has not changed them) before the form is submitted. <form method='get' class='custom_search widget custom_search_custom_fields__search' onSubmit='clearDefaults' action='http://www.example.com' > <input name='cs-Price-2' id='cs-Price-2' class='short_form' value='Min. Price' /> <input name='cs-Price-3' id='cs-Price-3' class='short_form' value='Max Price' /> <input type='submit' name='search' class='formbutton' value=''/> </form> How would you accomplish this?

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  • Problem with jQuery and ASP.Net MVC

    - by robert_d
    I have a problem with jQuery, here is how my web app works Search web page which contains a form and jQuery script posts data to Search() action in Home controller after user clicks button1 button. Search.aspx: <%@ Page Title="" Language="C#" MasterPageFile="~/Views/Shared/Site.Master" Inherits="System.Web.Mvc.ViewPage<GLSChecker.Models.WebGLSQuery>" %> <asp:Content ID="Content1" ContentPlaceHolderID="TitleContent" runat="server"> Title </asp:Content> <asp:Content ID="Content2" ContentPlaceHolderID="MainContent" runat="server"> <h2>Search</h2> <% Html.EnableClientValidation(); %> <% using (Html.BeginForm()) {%> <fieldset> <div class="editor-label"> <%: Html.LabelFor(model => model.Url) %> </div> <div class="editor-field"> <%: Html.TextBoxFor(model => model.Url, new { size = "50" } ) %> <%: Html.ValidationMessageFor(model => model.Url) %> </div> <div class="editor-label"> <%: Html.LabelFor(model => model.Location) %> </div> <div class="editor-field"> <%: Html.TextBoxFor(model => model.Location, new { size = "50" } ) %> <%: Html.ValidationMessageFor(model => model.Location) %> </div> <div class="editor-label"> <%: Html.LabelFor(model => model.KeywordLines) %> </div> <div class="editor-field"> <%: Html.TextAreaFor(model => model.KeywordLines, 10, 60, null)%> <%: Html.ValidationMessageFor(model => model.KeywordLines)%> </div> <p> <input id ="button1" type="submit" value="Search" /> </p> </fieldset> <% } %> <script src="../../Scripts/jquery-1.4.1.js" type="text/javascript"></script> <script type="text/javascript"> jQuery("#button1").click(function (e) { window.setInterval(refreshResult, 5000); }); function refreshResult() { jQuery("#divResult").load("/Home/Refresh"); } </script> <div id="divResult"> </div> </asp:Content> [HttpPost] public ActionResult Search(WebGLSQuery queryToCreate) { if (!ModelState.IsValid) return View("Search"); queryToCreate.Remote_Address = HttpContext.Request.ServerVariables["REMOTE_ADDR"]; Session["Result"] = null; SearchKeywordLines(queryToCreate); Thread.Sleep(15000); return View("Search"); }//Search() After button1 button is clicked the above script from Search web page runs Search() action in controller runs for longer period of time. I simulate this in testing by putting Thread.Sleep(15000); in Search()action. 5 sec. after Submit button was pressed, the above jQuery script calls Refresh() action in Home controller. public ActionResult Refresh() { ViewData["Result"] = DateTime.Now; return PartialView(); } Refresh() renders this partial <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl" % <%= ViewData["Result"] % The problem is that in Internet Explorer 8 there is only one request to /Home/Refresh; in Firefox 3.6.3 all requests to /Home/Refresh are made but nothing is displayed on the web page. I would be grateful for helpful suggestions.

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  • Problem with MessageContract, Generic return types and clientside naming

    - by Soeteman
    I'm building a web service which uses MessageContracts, because I want to add custom fields to my SOAP header. In a previous topic, I learned that a composite response has to be wrapped. For this purpose, I devised a generic ResponseWrapper class. [MessageContract(WrapperNamespace = "http://mynamespace.com", WrapperName="WrapperOf{0}")] public class ResponseWrapper<T> { [MessageBodyMember(Namespace = "http://mynamespace.com")] public T Response { get; set; } } I made a ServiceResult base class, defined as follows: [MessageContract(WrapperNamespace = "http://mynamespace.com")] public class ServiceResult { [MessageBodyMember] public bool Status { get; set; } [MessageBodyMember] public string Message { get; set; } [MessageBodyMember] public string Description { get; set; } } To be able to include the request context in the response, I use a derived class of ServiceResult, which uses generics: [MessageContract(WrapperNamespace = "http://mynamespace.com", WrapperName = "ServiceResultOf{0}")] public class ServiceResult<TRequest> : ServiceResult { [MessageBodyMember] public TRequest Request { get; set; } } This is used in the following way [OperationContract()] ResponseWrapper<ServiceResult<HCCertificateRequest>> OrderHealthCertificate(RequestContext<HCCertificateRequest> context); I expected my client code to be generated as ServiceResultOfHCCertificateRequest OrderHealthCertificate(RequestContextOfHCCertificateRequest context); Instead, I get the following: ServiceResultOfHCCertificateRequestzSOTD_SSj OrderHealthCertificate(CompType1 c1, CompType2 c2, HCCertificateRequest context); CompType1 and CompType2 are properties of the RequestContext class. The problem is that a hash is added to the end of ServiceResultOfHCCertificateRequestzSOTD_SSj. How do I need define my generic return types in order for the client type to be generated as expected (without the hash)?

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  • Rewriting a Subdomain with mod-rewrite

    - by resonantmedia
    I have a project that uses the moodle library. I had to change the URL from moodle.example.com to learn.example.com, due to a client request. I thought this would be an easy change, but alas moodle inserts all links and images in with the complete url instead of the relative url. Is it possible using mod-rewrite to point all requests to moodle.example.com to learn.example.com and maintain the query string? Example: I want a request to: http://moodle.example.com/course/view.php?id=2&topic=1 to go to http://learn.example.com/course/view.php?id=2&topic=1. Is this possible? Thanks, Josh

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  • IE not detecting jquery change method for checkbox

    - by user271619
    The code below works in FF, Safari, Chrome. But IE is giving me issues. When a checkbox is checked, I cannot get IE to detect it. $("#checkbox_ID").change(function(){ if($('#'+$(this).attr("id")).is(':checked')){ var value = "1"; }else{ var value = "0"; } alert(value); return false; }); Simply, I'm not getting that alert popup, as expected. I've even tried it this way: $("#checkbox_ID").change(function(){ if( $('#'+$(this).attr("id")'+:checked').attr('checked',false)){ var value = "1"; }else{ var value = "0"; } alert(value); return false; }); Here's the simple checkbox input: Anyone know if IE requires a different jquery method? or is my code just off?

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  • Sybase IQ: How to create a DBSPACE with raw device?

    - by Martin Klier
    I try to add a dbspace to a demo database, using a raw device on Linux. I always get SQL error 1010000, file already exists: CREATE DBSPACE KLMTEST USING FILE DF1 '/dev/disk/by-id/scsi-1HITACHI_730109670008' IQ STORE; Could not execute statement. The file '/dev/disk/by-id/scsi-1HITACHI_730109670008' already exists. -- (st_database.cxx 2215) SQLCODE=-1010000, ODBC 3 State="HY000" Line 1, column 1 For my understanding, the raw device has to exist BEFORE the Db can use it. How can I specify the raw device's name in order to make the command work? Permissions of the device are 770 for the sybase user. Thanks a lot Martin

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  • Mysql and Subsonic 3 with LINQ: Cannot insert rows

    - by Gustavo
    I'm using Susbsonic 3 with the LINQ templates. I've already added a column called 'ID' to my Articles table. When I try to insert a row using the following code var db = new LDB(); int newID = db.Insert.Into<ArticlesTable> ( x => x.Description ).Values( "TestDescription" ).Execute(); I get the following error message Can't decide which property to consider the Key - you can create one called 'ID' or mark one with SubSonicPrimaryKey attribute Any clue on what I'm doing wrong?

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  • Keymap issues with NX from Mac OS X Lion

    - by Andy
    I tried to answer the question from Mark: Keymap issues with NX from Mac OS X Lion to Ubuntu However, it is locked so I figured I would post a new question / answer. I have been trying to answer this for a few days now because I have no issues when connecting through NX Client (technically OpenNX) to FreeNX server from an iMac (with Lion), but if I try to connect with a Macbook Pro I get horrible keyboard binding issues. The fix that is working for me is to go into: ~/.nx/config/HOST.nxs and change: <option key="Current keyboard" value="false"/> <option key="Custom keyboard layout" value="empty"/> <option key="Grab keyboard" value="false"/> I have tried this on three NX Servers and all are fixed. Hope it helps or gets you closer. Always check in the ~/.nx/temp/ for the sshlog and see if --keyboard="empty/empty" instead of "pc105/en" because the Mac is really pc104. 9:05:35: startsession --session="HOST" --type="unix-gnome" --cache="8M" --images="32M" --link="adsl" --geometry="2556\ x1396" --screeninfo="2560x1440x32+render" --keyboard="empty/empty" --backingstore="1" --encryption="1" --composite="1" --\ shmem="1" --shpix="1" --streaming="1" --samba="0" --cups="0" --nodelay="1" --defer="0" --client="macosx" --media="0" --st\ rict="0" --aux="1"

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  • How to tell what name RIA Services/EF Model uses for Associations?

    - by Nick Gotch
    Hi, I'm working on a C#.NET 3.5 WCF RIA Services app and having an issue with my Entity Framework model. My entity Foo is mapped to a DB table and has a primary key called FooId. My Bar is mapped to a DB view. I've selectively designed this view to generate a composite key in the EF using two of the columns (by making sure they were non-nullable and the others are all nullable. This was done using NULLIF and ISNULL in the view design.) I'm able to add this view to the model with no problem but I keep running into an issue when I try to map an association between the two. Foo should contain many Bars but I keep getting the following error when I add the association: Unable to retrieve AssociationType for association 'FK_Bar_Foo' According to this page, it looks like this might work if I can properly name the association (since RIA Services looks for specific names.) I've tried several variants of names that match the pattern of other associations with no success. Does anyone know if there's a place I can look to find out what name it's looking for? Thanks,

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  • Linq query - multiple where, with extension method

    - by Cj Anderson
    My code works for ORs as I've listed it below but I want to use AND instead of OR and it fails. I'm not quite sure what I'm doing wrong. Basically I have a Linq query that searches on multiple fields in an XML file. The search fields might not all have information. Each element runs the extension method, and tests the equality. Any advice would be appreciated. refinedresult = From x In theresult _ Where x.<thelastname>.Value.TestPhoneElement(LastName) Or _ x.<thefirstname>.Value.TestPhoneElement(FirstName) Or _ x.<id>.Value.TestPhoneElement(Id) Or _ x.<number>.Value.TestPhoneElement(Telephone) Or _ x.<location>.Value.TestPhoneElement(Location) Or _ x.<building>.Value.TestPhoneElement(building) Or _ x.<department>.Value.TestPhoneElement(Department) _ Select x Public Function TestPhoneElement(ByVal parent As String, ByVal value2compare As String) As Boolean 'find out if a value is null, if not then compare the passed value to see if it starts with Dim ret As Boolean = False If String.IsNullOrEmpty(parent) Then Return False End If If String.IsNullOrEmpty(value2compare) Then Return ret Else ret = parent.ToLower.StartsWith(value2compare.ToLower.Trim) End If Return ret End Function

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  • How to drag items between 2 sorted lists with jQuery?

    - by sa125
    Hi - I'm trying to implement drag/drop/sort between 2 list elements: <ul id="first"> <li>item 1</li> <li>item 2</li> <li>item 3</li> </ul> <ul id="second"> <li>item 4</li> <li>item 5</li> <li>item 6</li> </ul> Basically I just want to be able to pass items between the lists and sort the items in each list. What's the simplest way to implement this using jQuery?

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  • Zend Framework: How to include an OR statement in an SQL fetchAll()

    - by Scoobler
    I am trying to build the following SQL statement: SELECT users_table.*, users_data.first_name, users_data.last_name FROM users_table INNER JOIN users_data ON users_table.id = user_id WHERE (users_table.username LIKE '%sc%') OR (users_data.first_name LIKE '%sc%') OR (users_data.last_name LIKE '%sc%') I have the following code at the moment: public function findAllUsersLike($like) { $select = $this-select(Zend_Db_Table::SELECT_WITH_FROM_PART)-setIntegrityCheck(false); $select-where('users_table.username LIKE ?', '%'.$like.'%'); $select-where('users_data.first_name LIKE ?', '%'.$like.'%'); $select-where('users_data.last_name LIKE ?', '%'.$like.'%'); $select-join('users_data', 'users_table.id = user_id', array('first_name', 'last_name')); return $this-fetchAll($select); } This is close, but not right as it uses AND to add the extra WHERE statements, instead of OR. Is there any way to do this as one select? Or should I perform 3 selects and combine the results (alot more overhead?)? P.S. The parameter $like that is past is sanitized so don't need to wory about user input in the code above!

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  • Make overflow hidden when shrinking div

    - by johnnietheblack
    I have a div with an image in it, and the image is too large for the div. I have solved the overflow problem with the obvious CSS overflow:hidden trick. But, the problem is that when the div's parent resizes (shrinks), the div holding the image won't shrink because of the image in it. Is there a way to have a resizable div with an image in it (almost like a background image) that overflows? MY DIV STRUCTURE: <div id="parent"> <div id="image_holder"> <!-- this image will inevitably be larger than its parent div --> <img src="too_big_for_div.jpg" /> </div> </div> MY CSS: #parent { width:100%;} #image_holder { width:100%; overflow:hidden;} The #image_holder div will not resize to a smaller dimension now. Any ideas?

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  • Per-pixel per-component alpha blending in Windows

    - by Crend King
    I have a 24-bit bitmaps with R, G, B color channels and a 24-bit bitmap with R, G, B alpha channels. I want to alpha blend the first bitmap to a HDC in GDI or RenderTarget in Direct2D with the alpha channels respectively. For example, suppose for one pixel, the bitmap color is (192, 192, 192), the HDC color is (0, 255, 255) and the alpha channels are (30, 40, 50). The final HDC color should be (22, 245, 242). I know I can BitBlt the HDC to a memory HDC first, do alpha blending by manually calculating the color of each pixel and finally BitBlt back. I just want to avoid the additional blitting and leave APIs do their job (faster since they are in kernel space). The first idea comes to my mind is to split the source bitmap into 3 red-only, green-only and blue-only 8-bit bitmaps, do normal alpha blending, then composite the 3 output bitmaps into the HDC. But I don't find a way to do the splitting and composition natively in Windows (would Direct2D layer help?). Also, the splitting and compositing may require many additional copying. The performance overhead would be too high. Or maybe do the alpha blending in 3 passes. Each pass apply the blending for one channel, while maintaining the other 2 unchanged. Thanks for any comment. EDIT: I found this question, and the answer should be good reference to this problem. However, besides AC_SRC_OVER, there is no other blending operation supported. Why don't Microsoft improve their API?

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  • CSS: How to refer to a tag

    - by Harry Pham
    I know how to refer to a tag with an id or class in css <table id="cooltable"> <tr> <td></td> <td></td> </tr> </table> so in css, u refer this <table> by table#cooltable{ ... } However, if I want to refer the <td> in <table> in css, how do I that?

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  • Nested SELECT clause in SQL Compact 3.5

    - by Sasha
    In this post "select with nested select" I read that SQL Compact 3.5 (SP1) support nested SELECT clause. But my request not work: t1 - table 1 t2 - table 2 c1, c2 = columns select t1.c1, t1.c2, (select count(t2.c1) from t2 where t2.id = t1.id) as count_t from t1 Does SQL Compact 3.5 SP1 support nested SELECT clause in this case? Update: SQL Compact 3.5 SP1 work with this type of nested request: SELECT ... from ... where .. IN (SELECT ...) SELECT ... from (SELECT ...)

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  • Storing extended IIdentity in HttpContext.Current.User (IPrinciple)

    - by UpTheCreek
    I have created an ExtendedId class which extends GenericIdentity. (This stores Id as well as name) In a httpmodule I stored this extended id in Current.User like so: HttpContext.Current.User = new GenericPrincipal(myExtendedId, roles); Problem is, later, how do I get at my ExtendedId type again? If I try this: ExtendedId eId = (ExtendedId)HttpContext.Current.User.Identity; I get a casting error. I have a feeling I'm doing something stupid here with casting, but I'm a bit foggy this morning.

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  • SQL Query with ORDER BY Part 2

    - by Brett
    Hi SQL'ers, This is a followup question to: SQL Query with ORDER BY But I think the SQL logic is going to be quite different, so I am posting it as separate question. I am trying to extend my sql SELECT query it and having some trouble: I have the table: id type radius ------------------------- 1 type1 0.25 2 type2 0.59 3 type1 0.26 4 type1 0.78 5 type3 0.12 6 type2 0.45 7 type3 0.22 8 type3 0.98 and I am trying to learn how to SELECT the second smallest radius for each given type. So the returned recordset should look like: id type radius ------------------------- 3 type1 0.26 2 type2 0.59 7 type3 0.22 (Note: in the referenced question, I was looking for the lowest radius, not the second lowest radius). I am assuming I have to use LIMIT and OFFSET, but if I use the MIN() won't that return a distinct record containing the minimum radius? Does anyone have any thoughts on how to attack this? Many thanks, Brett

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  • Cannot format first column in WxPython's ListCtrl

    - by Matt Clarke
    If I set the format of the first column in a ListCtrl to align centre (or align right) nothing happens. It works for the other columns. This only happens on Windows - I have tested it on Linux and it works fine. Does anyone know if there is a work-round or other solution? Here is an example based on code found at http://zetcode.com/wxpython/ import wx import sys packages = [('jessica alba', 'pomona', '1981'), ('sigourney weaver', 'new york', '1949'), ('angelina jolie', 'los angeles', '1975'), ('natalie portman', 'jerusalem', '1981'), ('rachel weiss', 'london', '1971'), ('scarlett johansson', 'new york', '1984' )] class Actresses(wx.Frame): def __init__(self, parent, id, title): wx.Frame.__init__(self, parent, id, title, size=(380, 230)) hbox = wx.BoxSizer(wx.HORIZONTAL) panel = wx.Panel(self, -1) self.list = wx.ListCtrl(panel, -1, style=wx.LC_REPORT) self.list.InsertColumn(0, 'name', wx.LIST_FORMAT_CENTRE,width=140) self.list.InsertColumn(1, 'place', wx.LIST_FORMAT_CENTRE,width=130) self.list.InsertColumn(2, 'year', wx.LIST_FORMAT_CENTRE, 90) for i in packages: index = self.list.InsertStringItem(sys.maxint, i[0]) self.list.SetStringItem(index, 1, i[1]) self.list.SetStringItem(index, 2, i[2]) hbox.Add(self.list, 1, wx.EXPAND) panel.SetSizer(hbox) self.Centre() self.Show(True) app = wx.App() Actresses(None, -1, 'actresses') app.MainLoop()

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  • Android ActivityGroup

    - by Vahag Vardanyan
    I know that ActivityGroup is in the "past", but I want to learn how to use it. So I write a simple TabHost, and want to show different activities using ActivityGroup. Here are the parts of code Player.java package player.org; import android.app.Activity; import android.app.TabActivity; import android.content.Context; import android.content.Intent; import android.content.res.Resources; import android.media.MediaPlayer; import android.os.Bundle; import android.util.Log; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.animation.AlphaAnimation; import android.view.animation.Animation; import android.view.animation.AnimationUtils; import android.widget.Button; import android.widget.ProgressBar; import android.widget.SeekBar; import android.widget.SeekBar.OnSeekBarChangeListener; import android.widget.TabHost; import android.widget.TabWidget; import android.widget.TextView; public class Player extends TabActivity { /** Called when the activity is first created. */ private MediaPlayer media=null; private SeekBar progress; private View play; private Progress p; TabHost tabhost; @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.tabs); Resources res=getResources(); //TabHost tabhost=(TabHost) findViewById(R.id.tabhost); // tabhost.setup(); tabhost=getTabHost(); TabHost.TabSpec spec; Intent intent; intent=new Intent(this,Progress.class); spec=tabhost.newTabSpec("now playing").setIndicator("Now playing", res.getDrawable(R.drawable.icon)) .setContent(intent); tabhost.addTab(spec); intent=new Intent(this,Group.class); spec=tabhost.newTabSpec("all_songs").setIndicator("All songs", res.getDrawable(R.drawable.songs)) .setContent(intent); tabhost.addTab(spec); //intent=new Intent(this,Progress.class); spec=tabhost.newTabSpec("artists").setIndicator("Artists", res.getDrawable(R.drawable.icon)) .setContent(intent); tabhost.addTab(spec); spec=tabhost.newTabSpec("alboom").setIndicator("Alboom", res.getDrawable(R.drawable.icon)) .setContent(intent); tabhost.addTab(spec); tabhost.setCurrentTab(0); } } Group.java import android.os.Bundle; import android.view.View; public class Group extends ActivityGroup { @Override public void onCreate(Bundle savedInstanceStated) { super.onCreate(savedInstanceStated); View view = getLocalActivityManager().startActivity("AllSongs", new Intent(this, AllSongs.class).addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP)).getDecorView(); setContentView(view); } AllSongs.java package player.org; import java.util.ArrayList; import android.R.id; import android.app.ActivityGroup; import android.app.ListActivity; import android.content.Intent; import android.os.Bundle; import android.view.View; import android.view.Window; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TabHost; public class AllSongs extends ListActivity{ ArrayList<String> listItem=new ArrayList<String>(); ArrayAdapter<String> adapter; ListView listView; //Player p; TabHost tab; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //p=new Player(); adapter=new ArrayAdapter<String>(this,R.layout.list_item,listItem); setListAdapter(adapter); listView=getListView(); listView.setTextFilterEnabled(true); listView.setOnItemClickListener(listener); addItem("vahag"); addItem("vahagvahag"); } private OnItemClickListener listener=new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { // TODO Auto-generated method stub Intent intent = new Intent(AllSongs.this,Progress.class); intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP); Group group= (Group) getParent(); View view=group.getLocalActivityManager().startActivity("Progress",intent).getDecorView(); setContentView(view); } }; public void addItem(String s) { listItem.add(s); adapter.notifyDataSetChanged(); } } and the Progress.java package player.org; import android.app.Activity; import android.app.ActivityGroup; import android.app.Dialog; import android.app.TabActivity; import android.content.Context; public class Progress extends Activity { // Called when the activity is first created. public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); } } So, AllSongs.java try to change current activity with Progress activity, but when I press on list item, the Programm forsed closed, and logChat says "08-17 12:49:26.471: ERROR/AndroidRuntime(1500): java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'" I can't figure how to fix this problem, Can anyone helps?

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