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  • Allowed memory size of 33554432 bytes exhausted (tried to allocate 93 bytes) error in php

    - by Chris
    I inserted the following code: $counter = 1; while($_POST['additional_contact1'] != '' || $_POST['additional_contact2'] != '' || $_POST['additional_contact3'] != '') { if($_POST['additional_contact' . $counter] != '') { $_SESSION['contact'][$counter]['additional_contact'] = $_POST['additional_contact' . $counter]; $_SESSION['contact'][$counter]['additional_int_prefix'] = $_POST['additional_int_prefix' . $counter]; $_SESSION['contact'][$counter]['additional_prefix'] = $_POST['additional_prefix' . $counter]; $_SESSION['contact'][$counter]['additional_first'] = $_POST['additional_first' . $counter]; $_SESSION['contact'][$counter]['additional_last'] = $_POST['additional_last' . $counter]; } else { $_SESSION['contact'][$counter]['additional_contact'] = null; $_SESSION['contact'][$counter]['additional_int_prefix'] = null; $_SESSION['contact'][$counter]['additional_prefix'] = null; $_SESSION['contact'][$counter]['additional_first'] = null; $_SESSION['contact'][$counter]['additional_last'] = null; } $counter++; } and I received this error: Fatal error: Allowed memory size of 33554432 bytes exhausted (tried to allocate 93 bytes) I tried to increase the memory limit with ini_set(), but it still won't work at 96M. What am I doing wrong with my code to make it need so much memory? How can I solve this problem?

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  • Rails accepts_nested_attributes_for and build_attribute with polymorphic relationships

    - by SooDesuNe
    The core of this question is where build_attribute is required in a model with nested attribuites I'm working with a few models that are setup like: class Person < ActiveRecord::Base has_one :contact accepts_nested_attributes_for :contact, :allow_destroy=> true end class Contact < ActiveRecord::Base belongs_to :person has_one :address, :as=>:addressable accepts_nested_attributes_for :address, :allow_destroy=> true end class Address < ActiveRecord::Base belongs_to :addressable, :polymorphic=>true end I have to define the new method of people_controller like: def new @person = Person.new @person.build_contact @person.contact.build_address #!not very good encapsulation respond_to do |format| format.html # new.html.erb format.xml { render :xml => @person } end end Without @person.contact.build_address the address relationship on contact is NIL. I don't like having to build_address in people_controller. That should be handled by Contact. Where do I define this in Contact since the contacts_controller is not involved here?

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  • VB.NET handling data between different forms

    - by niuchu
    Hi, I'm writing a simple application - address book. User enters new addresses and they are added as an entry to a list visible on the main form (frmStart). I use one form to add and edit (AddContForm). Add button on the frmStart works fine, however I experience some problems with the edit button as when I press it and enter new data they are added as new entry however the previous entry is still there. Logic is handled by Contact.vb class. Please let me know how to fix this problem. Here is the code: Contact.vb Public Class Contact Public Contact As String Public Title As String Public Fname As String Public Surname As String Public Address As String Private myCont As String Public Property Cont() Get Return myCont End Get Set(ByVal value) myCont = Value End Set End Property Public Overrides Function ToString() As String Return Me.Cont End Function Public Sub Display() Dim C As New Contact C.Cont = frmAddCont.txtTitle.Text C.Fname = frmAddCont.txtFName.Text C.Surname = frmAddCont.txtSName.Text C.Address = frmAddCont.txtAddress.Text frmStart.lstContact.Items.Add(C) End Sub End Class Here is frmStart.vb Public Class frmStart Public Button As String Private Sub btnAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnAdd.Click Button = "" Button = "Add" frmAddCont.ShowDialog() End Sub Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDel.Click Button = "" Button = "Del" Dim DelCont As Contact DelCont = Me.lstContact.SelectedItem() lstContact.Items.Remove(DelCont) End Sub Private Sub lstContact_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles lstContact.SelectedIndexChanged End Sub Private Sub btnEdit_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnEdit.Click Button = "" Button = "Edit" Dim C As Contact If lstContact.SelectedItem IsNot Nothing Then C = DirectCast(lstContact.SelectedItem, Contact) frmAddCont.ShowDialog() End If End Sub End Class Here is AddContFrm.vb Public Class frmAddCont Public Class ControlObject Dim Title As String Dim FName As String Dim SName As String Dim Address As String Dim TelephoneNumber As Integer Dim emailAddress As String Dim Website As String Dim Photograph As String End Class Private Sub btnConfirmAdd_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnConfirmAdd.Click Dim B As String B = frmStart.Button Dim C As New Contact C.Display() Me.Hide() If B = "Edit" Then C = DirectCast(frmStart.lstContact.SelectedItem, Contact) frmStart.lstContact.SelectedItems.Remove(C) End If End Sub Private Sub frmAddCont_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load End Sub End Class

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  • nested linq-to-sql queries

    - by ile
    var result = ( from contact in db.Contacts join user in db.Users on contact.CreatedByUserID equals user.UserID orderby contact.ContactID descending select new ContactListView { ContactID = contact.ContactID, FirstName = contact.FirstName, LastName = contact.LastName, Company = (from field in contact.XmlFields.Descendants("Company") select field.Value).SingleOrDefault().ToString() }).Take(10); Here I described how my database tables look like. So, contacts table has one field that is xml type. In that field is stored Company filename and I need to read it. I tried it using this way: Company = (from field in contact.XmlFields.Descendants("Company") select field.Value).SingleOrDefault().ToString() }).Take(10); but I get following error: Member access 'System.String Value' of 'System.Xml.Linq.XElement' not legal on type 'System.Collections.Generic.IEnumerable`1[System.Xml.Linq.XElement]. Any solution for this? Thanks in advance, Ile

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  • Native ComboBox not displaying choices correctly

    - by anothershrubery
    EDIT: It seems that ListPicker is the way to go but I have had further problems with that detailed Microsoft.Phone.Controls.Toolkit ListPicker throws XamlParseException I have the following ComboBox in code: <ComboBox x:Name="Result" Grid.Column="6" HorizontalAlignment="Center" VerticalAlignment="Center" Foreground="Black" Background="White"> <ComboBoxItem Content="Win" /> <ComboBoxItem Content="Place" /> <ComboBoxItem Content="Lose" /> </ComboBox> But it does not display as I would have expected. When you drop down the ComboBox the options don't appear, it's just like empty items. See below: However, when an item is selected, it displays correctly and the correct index/item is returned. See below: I'm sure there is something simple I have missed but can't put my finger on it. EDIT: Ok I am posting the full code for this. I have a user control, OddsRow, that looks like this: <UserControl xmlns:toolkit="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone.Controls.Toolkit" x:Class="MojoPinBetOddsCalculator.OddsRow" 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" FontFamily="{StaticResource PhoneFontFamilyNormal}" FontSize="{StaticResource PhoneFontSizeNormal}" Foreground="{StaticResource PhoneForegroundBrush}" d:DesignHeight="480" d:DesignWidth="480"> <Grid x:Name="LayoutRoot" Background="{StaticResource PhoneChromeBrush}"> <Grid.RowDefinitions> <RowDefinition Height="70"/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="50*"></ColumnDefinition> <ColumnDefinition Width="70*"></ColumnDefinition> <ColumnDefinition Width="30*"></ColumnDefinition> <ColumnDefinition Width="70*"></ColumnDefinition> <ColumnDefinition Width="70*"></ColumnDefinition> <ColumnDefinition Width="70*" ></ColumnDefinition> <ColumnDefinition Width="100*"></ColumnDefinition> </Grid.ColumnDefinitions> <TextBlock x:Name="RowNumber" Grid.Column="0" VerticalAlignment="Center" HorizontalAlignment="Center"></TextBlock> <TextBox x:Name="OddsNumerator" Grid.Column="1" Width="90" Height="70" HorizontalAlignment="Center" TextAlignment="Center" VerticalAlignment="Center" MaxLength="3" InputScope="TelephoneNumber"></TextBox> <TextBlock x:Name="Slash" Grid.Column="2" Text="/" HorizontalAlignment="Center" VerticalAlignment="Center"></TextBlock> <TextBox x:Name="OddsDenominator" Grid.Column="3" Width="90" Height="70" VerticalAlignment="Center" TextAlignment="Center" MaxLength="3" HorizontalAlignment="Center" InputScope="TelephoneNumber"></TextBox> <CheckBox x:Name="EachWay" Grid.Column="4" VerticalAlignment="Center" HorizontalAlignment="Center" Margin="10,0,0,0" /> <CheckBox x:Name="Place" Grid.Column="5" HorizontalAlignment="Center" VerticalAlignment="Center" BorderThickness="0" Width="71" Margin="10,0,0,0" Padding="0" /> <ComboBox x:Name="Result" Grid.Column="6" HorizontalAlignment="Center" VerticalAlignment="Center" Foreground="Black" Background="White"> <ComboBoxItem Content="Win" /> <ComboBoxItem Content="Place" /> <ComboBoxItem Content="Lose" /> </ComboBox> </Grid> </UserControl> And it is displayed in the MainPage like so: <phone:PhoneApplicationPage xmlns:my="clr-namespace:MojoPinBetOddsCalculator" x:Class="MojoPinBetOddsCalculator.MainPage" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:phone="clr-namespace:Microsoft.Phone.Controls;assembly=Microsoft.Phone" xmlns:shell="clr-namespace:Microsoft.Phone.Shell;assembly=Microsoft.Phone" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" mc:Ignorable="d" d:DesignWidth="480" d:DesignHeight="768" FontFamily="{StaticResource PhoneFontFamilyNormal}" FontSize="{StaticResource PhoneFontSizeNormal}" Foreground="{StaticResource PhoneForegroundBrush}" SupportedOrientations="Portrait" Orientation="Portrait" shell:SystemTray.IsVisible="True"> <!--LayoutRoot is the root grid where all page content is placed--> <Grid x:Name="LayoutRoot" Background="Transparent"> <Grid.RowDefinitions> <RowDefinition Height="Auto"/> <RowDefinition Height="*"/> </Grid.RowDefinitions> <!--TitlePanel contains the name of the application and page title--> <StackPanel x:Name="TitlePanel" Grid.Row="0" Margin="12,17,0,28"> <TextBlock x:Name="ApplicationTitle" Text="BET ODDS CALCULATOR" Style="{StaticResource PhoneTextNormalStyle}"/> <TextBlock x:Name="PageTitle" Text="calculate" Margin="9,-7,0,0" Style="{StaticResource PhoneTextTitle1Style}"/> </StackPanel> <!--ContentPanel - place additional content here--> <Grid x:Name="ContentPanel" Grid.Row="1" Margin="12,0,12,0" HorizontalAlignment="Stretch"> <Grid x:Name="Scrollable"> <ScrollViewer> <Grid x:Name="BettingGrid"> <Grid.RowDefinitions> <RowDefinition Height="Auto"></RowDefinition> <RowDefinition Height="*"></RowDefinition> </Grid.RowDefinitions> <Grid x:Name="BetList"> <Grid.RowDefinitions> <RowDefinition Height="30"></RowDefinition> <RowDefinition Height="70"></RowDefinition> <RowDefinition Height="70"></RowDefinition> <RowDefinition Height="70"></RowDefinition> <RowDefinition Height="70"></RowDefinition> <RowDefinition Height="70"></RowDefinition> <RowDefinition Height="70"></RowDefinition> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition Width="50*"></ColumnDefinition> <ColumnDefinition Width="70*"></ColumnDefinition> <ColumnDefinition Width="30*"></ColumnDefinition> <ColumnDefinition Width="70*"></ColumnDefinition> <ColumnDefinition Width="70*"></ColumnDefinition> <ColumnDefinition Width="70*"></ColumnDefinition> <ColumnDefinition Width="100*"></ColumnDefinition> </Grid.ColumnDefinitions> <TextBlock Text="EW" Style="{StaticResource PhoneTextNormalStyle}" Grid.Row="0" Grid.Column="4" HorizontalAlignment="Center" /> <TextBlock Text="Place" Style="{StaticResource PhoneTextNormalStyle}" Grid.Row="0" Grid.Column="5" HorizontalAlignment="Center" /> <TextBlock Text="Result" Style="{StaticResource PhoneTextNormalStyle}" Grid.Row="0" Grid.Column="6" HorizontalAlignment="Center" /> <my:OddsRow Grid.Row="1" Grid.ColumnSpan="7" Row="1"/> <my:OddsRow Grid.Row="2" Grid.ColumnSpan="7" Row="2"/> <my:OddsRow Grid.Row="3" Grid.ColumnSpan="7" Row="3"/> <my:OddsRow Grid.Row="4" Grid.ColumnSpan="7" Row="4"/> <my:OddsRow Grid.Row="5" Grid.ColumnSpan="7" Row="5"/> <my:OddsRow Grid.Row="6" Grid.ColumnSpan="7" Row="6"/> </Grid> <Grid x:Name="ControlsGrid" Grid.Row="1"> <Button x:Name="AddRowButton" Background="#BFFFFFFF" BorderBrush="#BFFFFFFF" Foreground="Black" Content="Add Row" FontSize="16" Click="AddRowButton_Click" Height="70" /> </Grid> </Grid> </ScrollViewer> </Grid> </Grid> </Grid> </phone:PhoneApplicationPage> Separately the ComboBox works, and also the code for the OddsRow works as expected... separately. When combined it doesn't display the items. OddsRow.xaml.cs public partial class OddsRow : UserControl { private int m_Row; public OddsRow() { InitializeComponent(); } public int Row { get { return m_Row; } set { m_Row = value; RowNumber.Text = m_Row + " - "; } } }

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  • Linq to sql Repository pattern , Some doubts

    - by MindlessProgrammer
    I am using repository pattern with linq to sql, I am using a repository class per table. I want to know , am i doing at good/standard way, ContactRepository Contact GetByID() Contact GetAll() COntactTagRepository List<ContactTag> Get(long contactID) List<ContactTag> GetAll() List<ContactTagDetail> GetAllDetails() class ContactTagDetail { public Contact Contact {get;set;} public ContactTag COntactTag {get;set;} } When i need a contact i call method in contactrepository, same for contacttag but when i need contact and tags together i call GetDetais() in ContactTag repository its not returning the COntactTag entity generated by the orm insted its returning ContactTagDetail entity conatining both COntact and COntactTag generated by the orm, i know i can simple call GetAll in COntactTag repository and can access Contact.ContactTag but as its linq to sql it will there is no option to Deferred Load in query level, so whenever i need a entity with a related entity i create a projection class Another doubt is where i really need to right the method i can do it in both contact & ContactTag repostitory like In contact repository GetALlWithTags() or something but i am doing it in in COntactTag repository Whats your suggestions ?

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  • How perform USort() on an Array of Objects class definition as a method?

    - by user558724
    class Contact{ public $name; public $bgcolor; public $lgcolor; public $email; public $element; public function __construct($name, $bgcolor, $lgcolor, $email, $element) { $this->name = $name; $this->bgcolor = $bgcolor; $this->lgcolor = $lgcolor; $this->email = $email; $this->element = $element; } public static function sortByName(Contact $p1, Contact $p2) { return strcmp($p1->name, $p2->name); } } class ContactList implements Iterator, ArrayAccess { protected $_label; protected $_contacts = array(); public function __construct($label) { $this->_label = $label; } public function getLabel() { return $this->_label; } public function addContact(Contact $contact) { $this->_contacts[] = $contact; } public function current() { return current($this->_contacts); } public function key() { return key($this->_contacts); } public function next() { return next($this->_contacts); } public function rewind() { return reset($this->_contacts); } public function valid() { return current($this->_contacts); } public function offsetGet($offset) { return $this->_contacts[$offset]; } public function offsetSet($offset, $data) { if (!$data instanceof Contact) throw new InvalidArgumentException('Only Contact objects allowed in a ContactList'); if ($offset == '') { $this->_contacts[] = $data; } else { $this->_contacts[$offset] = $data; } } public function offsetUnset($offset) { unset($this->_contacts[$offset]); } public function offsetExists($offset) { return isset($this->_contacts[$offset]); } public function sort($attribute = 'name') { $sortFct = 'sortBy' . ucfirst(strtolower($attribute)); if (!in_array($sortFct, get_class_methods('Contact'))) { throw new Exception('contact->sort(): Can\'t sort by ' . $attribute); } usort($this->contact, 'ContactList::' . $sortFct); } } public function Sort($property, $asc=true) { // this is where sorting logic takes place $_pd = $this->_contact->getProperty($property); if ($_pd == null) { user_error('Property '.$property.' does not exist in class '.$this->_contact->getName(), E_WARNING); return; } // set sortDescriptor ContactList::$sortProperty = $_pd; // and apply sorting usort($this->_array, array('ContactList', ($asc?'USortAsc':'USortDesc'))); } function getItems(){ return $this->_array; } class SortableItem extends ContactList { static public $sortProperty; static function USortAsc($a, $b) { /*@var $_pd ReflectionProperty*/ /* $_pd = self::$sortProperty; if ($_pd !== null) { if ($_pd->getValue($a) === $_pd->getValue($b)) return 0; else return (($_pd->getValue($a) < $_pd->getValue($b))?-1:1); } return 0; } static function USortDesc($a, $b) { return -(self::USortAsc($a,$b)); } } This approach keeps giving me PHP Warnings: usort() [function.usort]: of all kinds which I can provide later as needed to comment out those methods and definitions in order to test and fix some minor bugs of our program. **$billy parameters are already defined. $all -> addContact($billy); // --> ended up adding each contact manually above $all->Sort('name',true); $items = $all->getItems(); foreach($items as $contact) { echo $contact->__toString(); } $all->sort(); The reason for using usort is to re-arrange the order alphabetically by name but somehow is either stating that the function comparison needs to be an array or another errors which obviously I have seemed to pass. Any help would be greatly appreciated, thanks in advance.

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  • How do I find the .max of an attribute value among a group of different Models?

    - by Angela
    Hi, everyone: I am also open to just straight-up refactoring what I'm finding to be pretty repetitive, but to give a baseline of how it's working.... I have for every contact a Campaign, which has_many of three types of Models: Email, Call, and Letter. When an Email (Call or Letter) has been executed for a specific contact, I have a Contact_Email(_or_Call_or_Letter) which belongs to both the Contact and the Model (Email_or_Call_or_Letter). Each Contact_Email for example pairing has a :date_sent attribute. So does each Contact_Call and Contact_Letter. How do I find the latest of all of them? Here is the code I wrote that can find the latest Email and my finding retyping similar code for Call and Letter, but then stuck on how to do a .max on all of them: def last_email(contact) #get campaign the contact belongs to @campaign = Campaign.find_by_id(contact.campaign_id) @last_email = ContactEmail.find(:last, :conditions => "contact_id = #{contact.id}", :order => "date_sent DESC") @last_call = ContactCall.find(:last, :conditions => "contact_id = #{contact.id}", :order => "date_sent DESC") @last_letter = ContactLetter.find(:last, :conditions => "contact_id = #{contact.id}", :order => "date_sent DESC") # how do I get the latest of all of these to display? if @last_sent_email.nil? return "no email sent" else return @last_sent_email.date_sent end end Question 1: With what I have, how can I find effectively @last_event given I can find the last Email, last Call, and last Letter for every contact? Question 2: How can I remove the repetitive code that I have to write for each Model?

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  • Removing DOM event handlers in long-running browser session

    - by Chris Beck
    I have a browser interface with a ul#contacts list on the left and div#contact property panel (email, phone) on the right. Click a contact in the list and my app makes an XHR request to get the contact property HTML fragment and update div#contact.innerHTML. Each contact fragment has an "Edit Contact" link. With JS, I progressively upgrade that link with an event listener that performs an XHR request to replace the static property panel with an in-place edit form. This can happen many times during a single browser session. How should I clean up my "Edit Contact" event listener? Do I need to remove it manually before the form overwrites the property panel? Or is the event listener cleaned up automatically when the contents of div#contact (and the node that I'm listening on) is overwritten? FWIW, I still consider IE6 to be part of my target market.

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  • TouchXML to read in twitter feed for iphone app

    - by Fiona
    Hello there, So I've managed to get the feed from twitter and am attempting to parse it... I only require the following fields from the feed: name, description, time_zone and created_at I am successfully pulling out name and description.. however time_zone and created_at always are nil... The following is the code... Anyone see why this might not be working? -(void) friends_timeline_callback:(NSData *)data{ NSString *string = [[NSString alloc] initWithData:data encoding:NSASCIIStringEncoding]; NSLog(@"Data from twitter: %@", string); NSMutableArray *res = [[NSMutableArray alloc] init]; CXMLDocument *doc = [[[CXMLDocument alloc] initWithData:data options:0 error:nil] autorelease]; NSArray *nodes = nil; //! searching for item nodes nodes = [doc nodesForXPath:@"/statuses/status/user" error:nil]; for (CXMLElement *node in nodes) { int counter; Contact *contact = [[Contact alloc] init]; for (counter = 0; counter < [node childCount]; counter++) { //pulling out name and description only for the minute!!! if ([[[node childAtIndex:counter] name] isEqual:@"name"]){ contact.name = [[node childAtIndex:counter] stringValue]; }else if ([[[node childAtIndex:counter] name] isEqual:@"description"]) { // common procedure: dictionary with keys/values from XML node if ([[node childAtIndex:counter] stringValue] == NULL){ contact.nextAction = @"No description"; }else{ contact.nextAction = [[node childAtIndex:counter] stringValue]; } }else if ([[[node childAtIndex:counter] name] isEqual:@"created_at"]){ contact.date == [[node childAtIndex:counter] stringValue]; }else if([[[node childAtIndex:counter] name] isEqual:@"time_zone"]){ contact.status == [[node childAtIndex:counter] stringValue]; [res addObject:contact]; [contact release]; } } } self.contactsArray = res; [res release]; [self.tableView reloadData]; } Thanks in advance for your help!! Fiona

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  • Mod Rewrite - Simple Question

    - by bob
    This is my current .htaccess Options +FollowSymLinks DirectoryIndex index.php RewriteEngine On RewriteBase /product/ RewriteCond %{ENV:REDIRECT_STATUS} ^$ RewriteRule ^(.+)\.php$ ./$1/ [R=301,L] RewriteCond %{SCRIPT_FILENAME} !-f RewriteRule [^/]$ %{REQUEST_URI}/ [R=301,L] RewriteRule ^contact/?$ ./contact.php [QSA,L] Everything is working fine now.. /product/contact return to /product/contact/ /product/contact.php return to /product/contact/ Question.. How to make all my .php will be /contact/ /help/ /faq/ Now I should to add contact.php help.php faq.php to the htaccess I tried to add RewriteRule ^(.*)/$ $1.php [QSA,L] but it will be return loop. Let me know how to fix it ;)

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  • nested join linq-to-sql queries

    - by ile
    var result = ( from contact in db.Contacts where contact.ContactID == id join referContactID in db.ContactRefferedBies on contact.ContactID equals referContactID.ContactID join referContactName in db.Contacts on contact.ContactID equals referContactID.ContactID orderby contact.ContactID descending select new ContactReferredByView { ContactReferredByID = referContactID.ContactReferredByID, ContactReferredByName = referContactName.FirstName + " " + referContactName.LastName }).Single(); Problem is in this line: join referContactName in db.Contacts on contact.ContactID equals referContactID.ContactID where referContactID.ContactID is called from the above join line. How to nest these two joins? Thanks in advance! Ile

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  • EXC_BAD_ACCESS when simply casting a pointer in Obj-C

    - by AlexChilcott
    Hi all, Frequent visitor but first post here on StackOverflow, I'm hoping that you guys might be able to help me out with this. I'm fairly new to Obj-C and XCode, and I'm faced with this really... weird... problem. Googling hasn't turned up anything whatsoever. Basically, I get an EXC_BAD_ACCESS signal on a line that doesn't do any dereferencing or anything like that that I can see. Wondering if you guys have any idea where to look for this. I've found a work around, but no idea why this works... The line the broken version barfs out on is the line: LevelEntity *le = entity; where I get my bad access signal. Here goes: THIS VERSION WORKS NSArray *contacts = [self.body getContacts]; for (PhysicsContact *contact in contacts) { PhysicsBody *otherBody; if (contact.bodyA == self.body) { otherBody = contact.bodyB; } if (contact.bodyB == self.body) { otherBody = contact.bodyA; } id entity = [otherBody userData]; if (entity != nil) { LevelEntity *le = entity; CGPoint point = [contact contactPointOnBody:otherBody]; } } THIS VERSION DOESNT WORK NSArray *contacts = [self.body getContacts]; for (NSUInteger i = 0; i < [contacts count]; i++) { PhysicsContact *contact = [contacts objectAtIndex:i]; PhysicsBody *otherBody; if (contact.bodyA == self.body) { otherBody = contact.bodyB; } if (contact.bodyB == self.body) { otherBody = contact.bodyA; } id entity = [otherBody userData]; if (entity != nil) { LevelEntity *le = entity; CGPoint point = [contact contactPointOnBody:otherBody]; } } Here, the only difference between the two examples is the way I enumerate through my array. In the first version (which works) I use for (... in ...), where as in the second I use for (...; ...; ...). As far as I can see, these should be the same. This is seriously weirding me out. Anyone have any similar experience or idea whats going on here? Would be really great :) Cheers, Alex

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  • Get Item from Collection by unique ID

    - by David Murdoch
    I have a collection of Contacts that inherits from CollectionBase: public class ContactCollection : CollectionBase{ //... } each contact in the collection has a unique ID: public class Contact{ public int ContactID{ get; private set; } //... } I think what I would like to do is something like the following: // get the contact by their unique [Contact]ID Contact myPerson = Contact.GetContactById(15); // get all contacts for the customer ContactCollection contacts = customer.GetContacts(); // replaces the contact in the collection with the // myPerson contact with the same ContactID. contacts.ReplaceAt(myPerson); // saves the changes to the contacts and the customer // customer.Save(); There is probably a better way...if so, please suggest it.

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  • LINQ - if condition

    - by ile
    In code, the commented part is what I need to solve... Is there a way to write such query in LINQ? I need this because I will need sorting based on Status. var result = ( from contact in db.Contacts join user in db.Users on contact.CreatedByUserID equals user.UserID join deal in db.Deals on contact.ContactID equals deal.ContactID into deals orderby contact.ContactID descending select new ContactListView { ContactID = contact.ContactID, FirstName = contact.FirstName, LastName = contact.LastName, Email = contact.Email, Deals = deals.Count(), EstValue = deals.Sum(e => e.EstValue), SalesAgent = user.FirstName + " " + user.LastName, Tasks = 7, // This is critical part if(Deals == 0) Status = "Prospect"; else Status = "Client"; // End of critical part... }) .OrderBy(filterQuery.OrderBy + " " + filterQuery.OrderType) .Where(filterQuery.Status);

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  • CSS - How can I center a div within a div?

    - by Spines
    I have an outer div that is 800px wide. I have an inner div that could be anywhere from 200 to 600px wide. I know how to center the inner div within the outer one if I set the inner one to have a specific width, but how do I center it since its a variable width? Is there a way to set the div to only be the width of the elements inside of it, rather than having it expand to fill its containing div?

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  • How to detect if a Surface Contact is over a ScatterView?

    - by Bart Roozendaal
    This is a (kind of) similar situation as in the SDK Sample Shopping Cart for MS Surface. I have an application with two ScatterViews. The first covers the complete Surface window ('surface'). The second resides in a TagVisualization object ('pod'). There might be more than one pod available (if more than one tag is down on the table). I would like to be able to drag a ScatterViewItem from the 'pod' to the 'surface' or another 'pod'. I have no problems in detecting if a ScatterViewItem is leaving its ScatterView parent. Also, no problems in reparenting the ScatterViewItem. However, I want to detect which ScatterView the item is being dragged on. In the SDK Sample they have used a visual element (an ellipse in this case) which is below the ScatterViews. VisualTreeHelper.HitTest is used to determine if the contact is over the ellipse. If so, the 'connected' ScatterView is found. I don't think this is a very elegant solution. I wouldn't want a visual element put in there, just to detect if a contact is over a ScatterView. Are there betterwways to accomplish this kind of 'hittesting'? Thanks, Bart

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  • How do I get details about how Network and Sharing Center detected a problem?

    - by Matthew Scouten
    When I open Network and Sharing Center in Windows 7, it puts a red X between the network and the internet, but when I run Troubleshoot Problems it tells me that it does not know what the problem is. Is there any way to tell what test Windows used to place that red X, and how it failed? The system obviously knows something that it is not telling me. Knowing the details would help me solve this problem.

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  • Nifty GUI Layout

    - by Jason Crosby
    I am new to JME3 game engine but I know Android XML GUI layouts pretty good. I have a simple layout here and I cant figure out what is wrong. Here is my XML code: <?xml version="1.0" encoding="UTF-8"?> <nifty xmlns="http://nifty-gui.sourceforge.net/nifty-1.3.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://nifty-gui.sourceforge.net/nifty-1.3.xsd http://nifty-gui.sourceforge.net/nifty-1.3.xsd"> <useControls filename="nifty-default-controls.xml" /> <useStyles filename="nifty-default-styles.xml" /> <screen id="start" controller="com.jasoncrosby.game.farkle.gui.MenuScreenGui"> <layer id="layer" backgroundColor="#66CD00" childLayout="center"> <panel id="panel" align="center" valign="center" childLayout="center" visibleToMouse="true"> <image filename="Textures/wood_floor.png" height="95%" width="95%"/> <panel id="panel" align="center" valign="center" childLayout="center" visibleToMouse="true"> <text text="test" font="Interface/Fonts/Eraser.fnt"></text> </panel> </panel> </layer> </screen> Everything works good until I get to displaying the text. I have tried different alignments and tried moving the text into different panels but no matter what I do the text is never in the center of the screen. Its always in the upper left corner so far I can only see the lower right part of the text. I'm sure it has to be something simple but since I'm new to this I'm not noticing anything. Thanks for the help in advance.

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  • What is the best way to slide a panel in WPF?

    - by Kris Erickson
    I have a fairly simple UserControl that I have made (pardon my Xaml I am just learning WPF) and I want to slide the off the screen. To do so I am animating a translate transform (I also tried making the Panel the child of a canvas and animating the X position with the same results), but the panel moves very jerkily, even on a fairly fast new computer. What is the best way to slide in and out (preferably with KeySplines so that it moves with inertia) without getting the jerkyness. I only have 8 buttons on the panel, so I didn't think it would be too much of a problem. Here is the Xaml I am using, it runs fine in Kaxaml, but it is very jerky and slow (as well as being jerkly and slow when run compiled in a WPF app). <UserControl xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Width="1002" Height="578"> <UserControl.Resources> <Style TargetType="Button"> <Setter Property="Control.Padding" Value="4"/> <Setter Property="Control.Margin" Value="10"/> <Setter Property="Control.Template"> <Setter.Value> <ControlTemplate TargetType="Button"> <Grid Name="backgroundGrid" Width="210" Height="210" Background="#00FFFFFF"> <Grid.BitmapEffect> <BitmapEffectGroup> <DropShadowBitmapEffect x:Name="buttonDropShadow" ShadowDepth="2"/> <OuterGlowBitmapEffect x:Name="buttonGlow" GlowColor="#A0FEDF00" GlowSize="0"/> </BitmapEffectGroup> </Grid.BitmapEffect> <Border x:Name="background" Margin="1,1,1,1" CornerRadius="15"> <Border.Background> <LinearGradientBrush StartPoint="0,0" EndPoint="0,1"> <LinearGradientBrush.GradientStops> <GradientStop Offset="0" Color="#FF0062B6"/> <GradientStop Offset="1" Color="#FF0089FE"/> </LinearGradientBrush.GradientStops> </LinearGradientBrush> </Border.Background> </Border> <Border Margin="1,1,1,0" BorderBrush="#FF000000" BorderThickness="1.5" CornerRadius="15"/> <ContentPresenter HorizontalAlignment="Center" Margin="{TemplateBinding Control.Padding}" VerticalAlignment="Center" Content="{TemplateBinding ContentControl.Content}" ContentTemplate="{TemplateBinding ContentControl.ContentTemplate}"/> </Grid> </ControlTemplate> </Setter.Value> </Setter> </Style> </UserControl.Resources> <Canvas> <Grid x:Name="Panel1" Height="578" Canvas.Left="0" Canvas.Top="0"> <Grid.RenderTransform> <TransformGroup> <TranslateTransform x:Name="panelTranslate" X="0" Y="0"/> </TransformGroup> </Grid.RenderTransform> <Grid.RowDefinitions> <RowDefinition Height="287"/> <RowDefinition Height="287"/> </Grid.RowDefinitions> <Grid.ColumnDefinitions> <ColumnDefinition x:Name="Panel1Col1"/> <ColumnDefinition x:Name="Panel1Col2"/> <ColumnDefinition x:Name="Panel1Col3"/> <ColumnDefinition x:Name="Panel1Col4"/> <!-- Set width to 0 to hide a column--> </Grid.ColumnDefinitions> <Button x:Name="Panel1Product1" Grid.Column="0" Grid.Row="0" HorizontalAlignment="Center" VerticalAlignment="Center"> <Button.Triggers> <EventTrigger RoutedEvent="Button.Click" SourceName="Panel1Product1"> <EventTrigger.Actions> <BeginStoryboard> <Storyboard> <DoubleAnimation BeginTime="00:00:00.6" Duration="0:0:3" From="0" Storyboard.TargetName="panelTranslate" Storyboard.TargetProperty="X" To="-1000"/> </Storyboard> </BeginStoryboard> </EventTrigger.Actions> </EventTrigger> </Button.Triggers> </Button> <Button x:Name="Panel1Product2" Grid.Column="0" Grid.Row="1" HorizontalAlignment="Center" VerticalAlignment="Center"/> <Button x:Name="Panel1Product3" Grid.Column="1" Grid.Row="0" HorizontalAlignment="Center" VerticalAlignment="Center"/> <Button x:Name="Panel1Product4" Grid.Column="1" Grid.Row="1" HorizontalAlignment="Center" VerticalAlignment="Center"/> <Button x:Name="Panel1Product5" Grid.Column="2" Grid.Row="0" HorizontalAlignment="Center" VerticalAlignment="Center"/> <Button x:Name="Panel1Product6" Grid.Column="2" Grid.Row="1" HorizontalAlignment="Center" VerticalAlignment="Center"/> <Button x:Name="Panel1Product7" Grid.Column="3" Grid.Row="0" HorizontalAlignment="Center" VerticalAlignment="Center"/> <Button x:Name="Panel1Product8" Grid.Column="3" Grid.Row="1" HorizontalAlignment="Center" VerticalAlignment="Center"/> </Grid> </Canvas> </UserControl>

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  • Problems with texture orientation in space

    - by frankie
    I am currently drawing texture in 3D space and have some problems with it's orientation. I'd like me textures always to be oriented with front face to user. My desirable result looks like Note, that text size stay without changes when we rotating world and stay oriented with front face to user. Now I can draw text in 3D space, but it is not oriented with front but rotating with world. Such results I got with following shaders: Vertex Shader uniform vec3 Position; void main() { gl_Position = vec4(Position, 1.0); } Geometry Shader layout(points) in; layout(triangle_strip, max_vertices = 4) out; out vec2 fsTextureCoordinates; uniform mat4 projectionMatrix; uniform mat4 modelViewMatrix; uniform sampler2D og_texture0; uniform float og_highResolutionSnapScale; uniform vec2 u_originScale; void main() { vec2 halfSize = vec2(textureSize(og_texture0, 0)) * 0.5 * og_highResolutionSnapScale; vec4 center = gl_in[0].gl_Position; center.xy += (u_originScale * halfSize); vec4 v0 = vec4(center.xy - halfSize, center.z, 1.0); vec4 v1 = vec4(center.xy + vec2(halfSize.x, -halfSize.y), center.z, 1.0); vec4 v2 = vec4(center.xy + vec2(-halfSize.x, halfSize.y), center.z, 1.0); vec4 v3 = vec4(center.xy + halfSize, center.z, 1.0); gl_Position = projectionMatrix * modelViewMatrix * v0; fsTextureCoordinates = vec2(0.0, 0.0); EmitVertex(); gl_Position = projectionMatrix * modelViewMatrix * v1; fsTextureCoordinates = vec2(1.0, 0.0); EmitVertex(); gl_Position = projectionMatrix * modelViewMatrix * v2; fsTextureCoordinates = vec2(0.0, 1.0); EmitVertex(); gl_Position = projectionMatrix * modelViewMatrix * v3; fsTextureCoordinates = vec2(1.0, 1.0); EmitVertex(); } Fragment Shader in vec2 fsTextureCoordinates; out vec4 fragmentColor; uniform sampler2D og_texture0; uniform vec3 u_color; void main() { vec4 color = texture(og_texture0, fsTextureCoordinates); if (color.a == 0.0) { discard; } fragmentColor = vec4(color.rgb * u_color.rgb, color.a); } Any ideas how to get my desirable result? EDIT 1: I make edit in my geometry shader and got part of lable drawn on screen at corner. But it is not rotating. .......... vec4 centerProjected = projectionMatrix * modelViewMatrix * center; centerProjected /= centerProjected.w; vec4 v0 = vec4(centerProjected.xy - halfSize, 0.0, 1.0); vec4 v1 = vec4(centerProjected.xy + vec2(halfSize.x, -halfSize.y), 0.0, 1.0); vec4 v2 = vec4(centerProjected.xy + vec2(-halfSize.x, halfSize.y), 0.0, 1.0); vec4 v3 = vec4(centerProjected.xy + halfSize, 0.0, 1.0); gl_Position = og_viewportOrthographicMatrix * v0; ..........

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