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  • How to recognize what indexes are not used?

    - by tomaszs
    I have a table in MySQL with 7 indexes, most of them are on more than one column. I think here is too much indexes. Is there any way to get statistics of what indexes are used more by all thousands of queries to this database and what are less worthy so I know what index to consider to remove in first place?

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  • How do I replace colours in a movieclip?

    - by Oli
    I am trying to take a movieclip of a character and change the colour of their clothes. The character is comprised of vectors. So far I have semi-sucessfully used this method: stop the movieclip take the bitmap data from the current frame use threshold to replace the colour store the resulting bitmap data in an array add an onenterframe function - clear the current frame and add the bitmap data from the processed data in the array So - this works pretty well. Each frame is only processed once at the beginning and then the write to the movieclip is very quick. However! As the replacement is being performed on a bitmap there is an amount of aliasing that takes place to remove jaggies/pixelation. This produces colours that are not matched using threshold. So the main colour is replaced correctly but it is surrounded by a halo of mixed colours :( I am sure there should be a better way to do this. Any ideas or answers would be greatly apreciated - Thanks.

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  • how to use the order by and aggregate function together in sql query

    - by Ranjana
    SELECT count(distinct req.requirementid), req.requirementid, org.organizationid,req. locationofposting,org.registereddate FROM OrganizationRegisteredDetails AS org, RequirementsDetailsforOrganization AS req WHERE org.organizationid =req.requirementid order by org.RegisteredDate desc this shows me the error : Column 'RequirementsDetailsforOrganization.RequirementID' is invalid in the select list because it is not contained in either an aggregate function or the GROUP BY clause. how to do the 'order by org.RegisteredDate desc' in this Query ....

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  • Rails 3: config/initializers errors for gem configuration

    - by neezer
    I'm trying to setup this plugin (Crumble), and the docs say I need to add a configuration file for the plugin in config/initializers/ like this (breadcrumb.rb): Breadcrumb.configure do ... end I add in my directives in that block, and reloaded the page, and I'm immediately greeted with a Passenger error: uninitialized constant Breadcrumb What am I missing here? gem list shows Crumble as installed, and if I launch IRB I can require 'crumble' successfully. I remember doing this just fine in Rails 2.3.5. Here's my setup: rails 3.0.0.beta3 ruby 1.9.1p378 (via RVM) passenger 2.2.11 (with Apache2) crumble 0.1.2 I've been trying to read the Rails 3 release notes to see if they've changed anything that would affect this, but so far I haven't found anything to suggest that the above shouldn't work. I'd appreciate any guidance you could spare me!

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  • How to style the each cell of Flex DataGrid..

    - by Santosh
    I have a Flex DataGrid, which has some columns, i had put a item renderer, which makes all the elements in that column hyperlinked, i have a requirement, where i need to see the type of user, based on that i have to either enable or disable the hyper link. Is there any good way , where i can get the style properties at the cell level...? Thanks ...in advance..., i searched , but of not much help..!!

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  • javascript ajax variable question..

    - by Kelso
    Hey there, new to AJAX, JS.. Im trying to add to a Javascript/Ajax search script that I've put together. Previously, it had a single search field, called search_word, I added one called search_date. $(".search_button").click(function() { var search_word = $("#search_box").val(); var search_date = $("#datepicker").val(); var dataString = 'search_word='+ search_word; if(search_word=='') { } else { $.ajax({ type: "GET", url: "searchdata.php", data: dataString, In the Ajax, it appears to pass data of dataString, to my processing script. How do I add search date to the dataString so that I can use that var in my searchdata.php? In searchdata, I can do this $search_word=$_GET['search_word']; and use that var, but so far every time i attempt to alter the dataString, it breaks all the other functionality. Thanks!

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  • Dynamic Windows Forms Components (Performance problem)

    - by Svisstack
    I have a problem with performance of my code under Windows Forms. Have a form, her layout is depending on constructor data, because he layout must be OnLoad or in Constructor generated. I generation is simple, base FlowLayoutPanel have other FlowLayoutPanels, for each have a Label and TextBox with DataBinding. Problem is this is VERY SLOW, up to 20 seconds, i drawing less than 100 controls, from Performace Session i know a problem is on 70% procesing functions: System.Windows.Forms.Control.ControlCollection.Add(class System.Windows.Forms.Control) System.Windows.Forms.ControlBindingsCollection.Add(class System.Windows.Forms.Binding) How i can do with this? Anyone help me in this problem? How solve the dynamic form layout problem?

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  • mysql query: SELECT DISTINCT column1, GROUP BY column2

    - by Adam
    Right now I have the following query: SELECT name, COUNT(name), time, price, ip, SUM(price) FROM tablename WHERE time >= $yesterday AND time <$today GROUP BY name And what I'd like to do is add a DISTINCT by column 'ip', i.e. SELECT DISTINCT ip FROM tablename So my final output would be all the columns, from all the rows that where time is today, grouped by name (with name count for each repeating name) and no duplicate ip addresses. What should my query look like? (or alternatively, how can I add the missing filter to the output with php)? Thanks in advance.

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  • augment the factory pattern in java

    - by TP
    I am trying to use a factory pattern to create a QuestionTypeFactory where the instantiated classes will be like MultipleChoice, TrueFalseQuestion etc. The factory code looks something like this class QuestionFactory { public enum QuestionType { TrueFalse, MultipleChoice, Essay } public static Question createQuestion(QuestionType quesType) { switch (quesType) { case TrueFalse: return new TrueFalseQuestion(); case MultipleChoice: return new MultipleChoiceQuestion(); case Essay: return new EssayQuestion(); } throw new IllegalArgumentException("Not recognized."); } } This works ok for now. If I want to add another question type I will need to modify the factory class and I do not want to do that. How can I set it up so that each question class registers itself with the Factory so that when I add a new question type, I do not have to change the code for the factory? I am a bit new to java and am not sure how to do this.

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  • LevelToVisibilityConverter in silverligt 4

    - by prince23
    <UserControl x:Class="SLGridImage.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignHeight="300" d:DesignWidth="400" xmlns:sdk="http://schemas.microsoft.com/winfx/2006/xaml/presentation/sdk"> <UserControl.Resources> <local:LevelToVisibilityConverter x:Key="LevelToVisibility" /> </UserControl.Resources> <Grid x:Name="LayoutRoot" Background="White"> <sdk:DataGrid x:Name="dgMarks" CanUserResizeColumns="False" SelectionMode="Single" AutoGenerateColumns="False" VerticalAlignment="Top" ItemsSource="{Binding MarkCollection}" IsReadOnly="True" Margin="13,44,0,0" RowDetailsVisibilityMode="Collapsed" Height="391" HorizontalAlignment="Left" Width="965" VerticalScrollBarVisibility="Visible" > <sdk:DataGrid.Columns> <sdk:DataGridTemplateColumn> <sdk:DataGridTemplateColumn.CellTemplate> <DataTemplate> <Button x:Name="myButton" Click="myButton_Click"> <StackPanel Orientation="Horizontal"> <Image Margin="2, 2, 2, 2" x:Name="imgMarks" Stretch="Fill" Width="12" Height="12" Source="Images/test.png" VerticalAlignment="Center" HorizontalAlignment="Center" Visibility="{Binding Level, Converter={StaticResource LevelToVisibility}}" /> <TextBlock Text="{Binding Level}" TextWrapping="NoWrap" ></TextBlock> </StackPanel> </Button> </DataTemplate> </sdk:DataGridTemplateColumn.CellTemplate> </sdk:DataGridTemplateColumn> <sdk:DataGridTemplateColumn Header="Name" > <sdk:DataGridTemplateColumn.CellTemplate> <DataTemplate > <Border> <TextBlock Text="{Binding Name}" /> </Border> </DataTemplate> </sdk:DataGridTemplateColumn.CellTemplate> </sdk:DataGridTemplateColumn> <sdk:DataGridTemplateColumn Header="Marks" Width="80"> <sdk:DataGridTemplateColumn.CellTemplate> <DataTemplate> <Border> <TextBlock Text="{Binding Marks}" /> </Border> </DataTemplate> </sdk:DataGridTemplateColumn.CellTemplate> </sdk:DataGridTemplateColumn> </sdk:DataGrid.Columns> </sdk:DataGrid> </Grid> </UserControl> in .cs using System; using System.Collections.Generic; using System.Linq; using System.Net; using System.Windows; using System.Windows.Controls; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Animation; using System.Windows.Shapes; using System.Collections.ObjectModel; using System.ComponentModel; namespace SLGridImage { public partial class MainPage : UserControl { private MarksViewModel model = new MarksViewModel(); public MainPage() { InitializeComponent(); this.DataContext = model; } private void myButton_Click(object sender, RoutedEventArgs e) { } } public class MarksViewModel : INotifyPropertyChanged { public MarksViewModel() { markCollection.Add(new Mark() { Name = "ABC", Marks = 23, Level = 0 }); markCollection.Add(new Mark() { Name = "XYZ", Marks = 67, Level = 1 }); markCollection.Add(new Mark() { Name = "YU", Marks = 56, Level = 0 }); markCollection.Add(new Mark() { Name = "AAA", Marks = 89, Level = 1 }); } private ObservableCollection<Mark> markCollection = new ObservableCollection<Mark>(); public ObservableCollection<Mark> MarkCollection { get { return this.markCollection; } set { this.markCollection = value; OnPropertyChanged("MarkCollection"); } } public event PropertyChangedEventHandler PropertyChanged; public void OnPropertyChanged(string propName) { if (PropertyChanged != null) this.PropertyChanged(this, new PropertyChangedEventArgs(propName)); } } public class Mark { public string Name { get; set; } public int Marks { get; set; } public int Level { get; set; } } public class LevelToVisibilityConverter : System.Windows.Data.IValueConverter { #region IValueConverter Members public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { Visibility isVisible = Visibility.Collapsed; if ((value == null)) return isVisible; int condition = (int)value; isVisible = condition == 1 ? Visibility.Visible : Visibility.Collapsed; return isVisible; } public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture) { throw new NotImplementedException(); } #endregion } } when i run getting error The type 'local:LevelToVisibilityConverter' was not found. Verify that you are not missing an assembly reference and that all referenced assemblies have been built. what i am i missing here looking forward for an solution thank you

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  • DataGridView Check Box selection

    - by adopilot
    I added datagridview to my win forms app and I also added one Check Box for marking rows. ChekBox work as I accepted until user do sorting of DataGridView, After that previous selection of checkbox column get lost. Is there a way to I make my datagridview remember which row is selected and after user do a sorting.

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  • how to displaying pivot in matrix reporting service?

    - by Chandradyani
    Dear All, I have problem relating to pivot query and matrix reporting. I don't know how to display it on matrix reporting service so it will dynamic column. Can any body help me to show how to configure the matrix table? or could you give the link where can I find the answer of my problem? I'm newbie in reporting service.

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  • Creation time of Innodb tables

    - by shantanuo
    CRETAE_TIME column of "TABLES" table from INFORMATION_SCHEMA shows the same CREATE_TIME for all my innodb tables. It means all these tables were created between 2010-03-26 06:52:00 and 2010-03-26 06:53:00 while actually they were created a few months ago. Does the CREATE_TABLE field change automatically for Innodb tables?

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  • hi how restrict the year in jquery datepicker?

    - by udaya
    Hi I am using jquery.datePicker.js js file to create a date picker This is whati have in my view page <input type="text" style="font-family: verdana; width: 80px;" id="txtArrivalDate" class="startDate" name="txtArrivalDate" value="<?php echo $_POST['txtArrivalDate'] ?>" /> when i click on the arrival date text box the year column starts on current year say 2010 but the years less than 2010 also available on the year select box how to get rid of the years below current year

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  • Adding UIComponent to both Canvas and Tree in Flex 3

    - by Chris M
    I currently am trying to add a custom class which subclasses UIComponent to both a tree and a canvas, but when I try to re-order the tree by dragging I get this error: TypeError: Error #1010: A term is undefined and has no properties. at mx.controls::Tree/get firstVisibleItem()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\controls\Tree.as:764] at flash.utils::ByteArray/writeObject() at flash.desktop::Clipboard/putSerialization() at flash.desktop::Clipboard/convertFlashFormat() at flash.desktop::Clipboard/setData() at mx.managers::NativeDragManagerImpl/doDrag()[C:\autobuild\3.2.0\frameworks\projects\airframework\src\mx\managers\NativeDragManagerImpl.as:282] at mx.managers::DragManager$/doDrag()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\managers\DragManager.as:243] at mx.controls.listClasses::ListBase/dragStartHandler()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\controls\listClasses\ListBase.as:9085] at flash.events::EventDispatcher/dispatchEventFunction() at flash.events::EventDispatcher/dispatchEvent() at mx.core::UIComponent/dispatchEvent()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\core\UIComponent.as:9298] at mx.controls.listClasses::ListBase/mouseMoveHandler()[C:\autobuild\3.2.0\frameworks\projects\framework\src\mx\controls\listClasses\ListBase.as:8822] When I do not add the UIComponent to the canvas, this error does not occur, anyone have any knowledge as to why this happens?

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  • Javascript: addClassName if input is checked and removeClassName if it was un-checked

    - by BoDiE2003
    Im trying to select all the li tags of the document and check if it hasClassName('yes') so if it has, it will remove it. But im having a TypeError: Object [object HTMLLIElement], has no method 'hasClassName' error. This is the DOM method: document.observe("dom:loaded", function() { $(document.body).select('input').each(function(element) { element.observe('click', function() { init(); }); init(); }); }); The previous code will take the init fuction and check the if there are checked inputs and add them the 'yes' class name, but if I un-check those inputs, the class remains. This is the funcion that Im trying to do dynamic (add and remove class 'yes'); function init() { $(document.body).select('input').each(function(element) { if (element.checked) { element.up('li').addClassName('yes'); } if ($(document.body).select('li').hasClassName('yes')) { element.removeClassName('yes'); } }) } Can you help me solving the last part of this function, so the removeclassname method will work? Thank you

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  • Adding a JAR to an Eclipse Java library

    - by Paul Reiners
    How do you add a JAR file to an already existing Java library in Eclipse? Note that this is not a user library. That is, if you look at the Java Build Path for a Java project and click on the Libraries tab, you will see the list of libraries used by the project. If you expand a given library, you will see a list of JAR files included in that library. I want to add an additional JAR file to one of these libraries. I am using Version 3.4.0 of Eclipse.

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  • Bug when adding a sprite to 1 <s:State>

    - by lostincode
    I'm working within a skin for a button that has some <s:State> normal over In the tag, I'm drawing a circle private var theshape:Sprite; private function drawShape():void { theshape = new Sprite(); theshape.graphics.beginFill(0x666666); theshape.graphics.drawCircle(3,5,10); theshape.graphics.endFill(); //i then add it to a Spite Visual Element that's defined in mxml canv.addChild(theshape); } This works fine, until I try to control under which states that canv SpriteVisualElement appears. If I just add an includeIn like this <s:SpriteVisualElement id="canv" includeIn="over" /> I get a run-time error TypeError: Error #1009: Cannot access a property or method of a null object reference. Any ideas what the problem is, or a different way I can accomplish the same thing. What I need is to simply include the circle in the button when it's in the hover state.

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  • How to provide hyperlink in email pointing to a specific method inside gwt app (but not main page)

    - by subh
    My GWT app has a search result with orderid column as hyperlink. On clicking, it opens up another tab which shows the details. I want to expose this particular functionality externally say in an email http://www.myapp.com/XYZApp.html?orderid=1234 so that user can directly go to the details page after login to the App. In JSP world, it was pretty straightforward. Is it possible in GWT given that the call to show up the details page is not in the main GWT module (XYZApp.html)

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  • how to combine combo box contents in vb.net

    - by user225269
    I have this, birthday selection which is in 3 combobox, 1 for month, 1 for day and 1 for year. But my database table has only this birthday attribute(no year, month or day). How can I combine the items that are selected in those 3 combo boxes so that they would be fitting in the birthday column?

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  • Facebook connect integration (registration & login)

    - by nikospkrk
    Hi, I'm really struggling to make facebook connection working for my system. What I want to do : When the user is not yet registered on facebook : Fetch some user profile fields into my database (ideqally via my registration page already working for non facebook users) Log the user into my website Redirect the user into my homepage What I've done so far : Set up the application in FB Add the Facebook class from the github website and integrate some code to make it working Add additionnal paremeters to login/register facebook link. I'm struggling to redirect the user after authorizing, to my register page (register/?facebook). The "Post-Authorize Redirect URL" field doesn't seem to work properly, I maybe do not fill the right field? My other question is, if my registration page uses a redirection show (index.php redirect to register.php), do the information given by facebook through the $_POST method would be available in the register.php page ? I don't think so, do you ? Regards, Nicolas.

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  • How do you make a Custom Data Generator for SQL XML DataType.

    - by Keith Sirmons
    Howdy, I am using Visual Studio 2010 and am playing around with the Database Projects. I am creating a DataGenerationPlan to insert data into a simple table, in which one of the column datatypes is XML. Out of the box, the generation plan uses the Regular Expression generator and generates something like this : HGcSv9wa7yM44T9x5oFT4pmBkEmv62lJ7OyAmCnL6yqXC2X.......... I am looking at creating a custom data Generator for this data type and have followed this site for the basics: http://msdn.microsoft.com/en-us/library/aa833244.aspx This example works if I am creating a string datatype and using it for a nvarchar datatype. What do I need to change to hook this Generator to the XML Datatype? Below are my code files. The string property works for nvarchar. The XElement property does not work for the xml datatype, and the RecordXMLDataGenerator is not listed as an option in the Generator column for the generation plan. CustomDataGenerators: using System; using System.Collections.Generic; using System.Linq; using System.Text; using Microsoft.Data.Schema.Tools.DataGenerator; using Microsoft.Data.Schema.Extensibility; using Microsoft.Data.Schema; using Microsoft.Data.Schema.Sql; using System.Xml.Linq; namespace CustomDataGenerators { [DatabaseSchemaProviderCompatibility(typeof(SqlDatabaseSchemaProvider))] public class RecordXMLDataGenerator : Generator { private XElement _RecordData; [Output(Description = "Generates string of XML Data for the Record.", Name = "RecordDataString")] public string RecordDataString { get { return _RecordData.ToString(SaveOptions.None); } } [Output(Description = "Generates XML Data for the Record.", Name = "RecordData")] public XElement RecordData { get { return _RecordData; } } protected override void OnGenerateNextValues() { base.OnGenerateNextValues(); XElement element = new XElement("Root", new XElement("Children1", 1), new XElement("Children6", 6) ); _RecordData = element; } } } XML Extensions File: <?xml version="1.0" encoding="utf-8" ?> <extensions assembly="" version="1" xmlns="urn:Microsoft.Data.Schema.Extensions" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:Microsoft.Data.Schema.Extensions Microsoft.Data.Schema.Extensions.xsd"> <extension type="CustomDataGenerators.RecordXMLDataGenerator" assembly="CustomDataGenerators, Version=1.0.0.0, Culture=neutral, PublicKeyToken=xxxxxxxxxxxx" enabled="true"/> </extensions> Table.sql: CREATE TABLE [dbo].[Record] ( id int IDENTITY (1,1) NOT NULL, recordData xml NULL, userId int NULL, test nvarchar(max) NULL, rowver rowversion NULL, CONSTRAINT pk_RecordID PRIMARY KEY (id) )

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