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  • Returning a local object from a function

    - by pocoa
    Is this the right way to return an object from a function? Car getCar(string model, int year) { Car c(model, year); return c; } void displayCar(Car &car) { cout << car.getModel() << ", " << car.getYear() << endl; } displayCar(getCar("Honda", 1999)); I'm getting an error, "taking address of temporary". Should I use this way: Car &getCar(string model, int year) { Car c(model, year); return c; }

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  • XAMPP - local host problems

    - by jennym
    I have picked up some possible answers to my problem here, but none have so far worked. I have installed XAMPP but get the dreaded HTTP 404 error on both IE and Firefox when asking for 'http://localhost/'. I work with Dreamweaver but cannot get the testing server (XAMPP) to work, although I can connect to the linux/apache remote server. Skype has been uninstalled. Therefore XAMPP is running on port 80 by itself. XAMPP says Apache and Mysql have 'started'. Is there someone that could please help me?

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  • Adding "selected" into option from matching variable. PHP

    - by Dolan
    I have $country which stores the 2 letter country code of a user. US for example. <select id="countries"> <option value="US">United States</option> <option value="EN">England</option> <option value="AU">Australia</option> <option value="CA">Canada</option> etc. </select> What's the best practice to add "selected" to the option of the users country code? I'm against adding a million if's. Also note, the countries are harcoded in HTML, so no array. :(

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  • iframe src based on javascript variable value

    - by Ra
    Hi, I have a Iframe, and how to pass a javascript vairable to along with a iframe src. ex: var param1=test1; how to pass "param1" value along with the iframe url. and i want to pass like this. <iframe frameborder=0 src="http://cart.demo.com/c_jp.php?action=param1" name="navigationframe" id="navigationframe" width="220" height="800"> Thanks in advance.

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  • Js Variable Reference Quickie

    - by Nikki
    Hoping someone can clear this up for me. Let's say I have 2 globals: var myarray=[1,3,5,7,9],hold; and then I do this: function setup() { alert (myarray[0]);//shows 1 hold=myarray; alert (hold);//appears to show 'hold' containing all the values of myarray. first number shown is 1 myarray[0]=2; alert (hold);//shows the values of myarray with the updated first entry. first numbe shown is 2 } Am I to take it that 'hold' is simply keeping a reference to myarray, rather than actually taking all the values of?

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  • PBE: (Tutorial2) Problem with spatialManager variable

    - by Oleg Tarasenko
    Hi! I've just started with PBE. Now trying to follow few first tutorials. Have problem with the second one(http://pushbuttonengine.com/docs/Lesson-02.html). E.g. this line of code: spatial.spatialManager = PBE.spatialManager; throws the: Attempted access of inaccessible property spatialManager through a reference with static type Class. Could you please help me. these are my first steps with PBE...a bit hard :(

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  • Variable scope in javascript

    - by Rich Bradshaw
    This is a simple question, but I can't work it out. The specifics aren't important, but here's the gist. I have some code like this: var lat = 0; var lon = 0; if (navigator.geolocation) { navigator.geolocation.getCurrentPosition(function(position) { lat = position.coords.latitude; lon = position.coords.longitude; }); } What I think it's doing is: Set lat and lon to 0 If the browser has geolocation, overwrite those variables with real values However, at the end of that chunk, lat and lon are still 0. I've tried adding vars, passing lat and lon to the function etc but with no success... How do I make this work?

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  • Display a variable when a select box option is selected

    - by user782104
    For example, the select box <select><option selected="" value="">Please Select</option><option value='txt'>Text</option><option value='int'>Numbers</option><option value='bool' >Boolean</option></select> has a string $messageList=array ( 'txt'=>'text message', 'int'=>'int message','bool'=>'bool message'); What i would like to achieve is to display correspond message when the optition is select?

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  • Using JQuery replaceWith with a JavaScript Variable

    - by JJ56
    Here's my html: <div class="timer">Not Started</div> And JS/JQ: var seconds = 10; var minutes = 0; setTimeout("updateTimer()", 1000); function updateTimer() { if (seconds == 0 && minutes != 0) { minutes -= minutes; seconds = 59; alert (seconds); } else if (seconds == 1 && minutes == 0) { alert ('done'); } else { seconds = seconds - 1; //alert (seconds); $(".timer").replaceWith(seconds); } setTimeout("updateTimer()", 1000); } Instead of replacing Not Started with 10, 9, 8..., Not Started disappears.

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  • Get local network interface addresses using only proc?

    - by Matt Joiner
    How can I obtain the (IPv4) addresses for all network interfaces using only proc? After some extensive investigation I've discovered the following: ifconfig makes use of SIOCGIFADDR, which requires open sockets and advance knowledge of all the interface names. It also isn't documented in any manual pages on Linux. proc contains /proc/net/dev, but this is a list of interface statistics. proc contains /proc/net/if_inet6, which is exactly what I need but for IPv6. Generally interfaces are easy to find in proc, but actual addresses are very rarely used except where explicitly part of some connection. There's a system call called getifaddrs, which is very much a "magical" function you'd expect to see in Windows. It's also implemented on BSD. However it's not very text-oriented, which makes it difficult to use from non-C languages.

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  • accessing Ruby variable(from model or controller) in SASS

    - by corroded
    Is there a way to access ruby variables in sass or do i have to make a custom function for it? What im trying to do is to generate a stylesheet for each user so in the controller, i do something like: def show respond_to do |format| format.css{render :partial => "styles"} end end then in the view name _styles.haml i do this: :sass #header :background url(user.banner.url) is this possible at all?

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  • how to get get-item cmdlet's output to variable as string

    - by aeon
    i mean when i call get-item with directory it dump to console like this ---- ------------- ------ ---- d---- 2/16/2011 8:27 PM 2011-2-16 -a--- 2/13/2011 8:24 PM 3906877184 SWP-Full Database Backup_2011-02-13 0 -a--- 2/16/2011 8:23 PM 3919766476 SWP-Full Database Backup_2011-02-16.bak 8 -a--- 2/12/2011 8:18 PM 3906877747 SWP-Full Database Backup_2011-02-12 2 -a--- 2/14/2011 8:21 PM 3875484467 SWP-Full Database Backup_2011-02-14 2 but when i convert to string it changes as \\192.168.2.89\BwLive\2011-2-16 \\192.168.2.89\BwLive\SWP-Full Database Backup_2011-02-13 \\192.168.2.89\BwLive\SWP-Full Database Backup_2011-02-16.bak \\192.168.2.89\BwLive\SWP-Full Database Backup_2011-02-12 \\192.168.2.89\BwLive\SWP-Full Database Backup_2011-02-14 i mean length,size,time attributes is omitted how can i keep these attributes while converting to string? thanks.

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  • App.config settings, environment variable as partial path

    - by Jean-Bernard Pellerin
    I'm new to tinkering with app.config and xml, and am currently doing some refactoring in some code I haven't written. Currently we have a snippet which looks like this: <setting name="FirstSetting" serializeAs="String"> <value>Data Source=C:\Documents and Settings\All Users\ApplicationData\Company ...;Persist Security Info=False</value> What I'd like to do is have it instead point to something like ${PROGRAMDATA}\Company\... How can I achieve this, keeping in mind that PROGRAMDATA will not always point to C:\ProgramData ?

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  • incorrect variable value outside main()

    - by cru3l
    i have this code #import <Foundation/Foundation.h> int testint; NSString *teststring; int Test() { NSLog(@"%d",testint); NSLog(@"%@",teststring); } int main (int argc, const char * argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; testint = 5; NSString *teststring = [[NSString alloc] initWithString:@"test string"]; Test(); [pool drain]; return 0; } in output i have: 5 (null) why Test function doesn't see correct teststring value? What should I do, to have correct "test string" in output?

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  • echo value inside a variable ?

    - by Kimi
    x=102 y=x means when i echo $y it gives x echo $y x --and not 102 and when i echo $x it give 102 lets say I dnt know what is inside y and i want the value of x to be echoed with using y someting like this a=`echo $(echo $y)` echo $a Ans 102

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  • WPF Binding to variable / DependencyProperty

    - by Peter
    I'm playing around with WPF Binding and variables. Apparently one can only bind DependencyProperties. I have come up with the following, which works perfectly fine: The code-behind file: public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } public string Test { get { return (string)this.GetValue(TestProperty); } set { this.SetValue(TestProperty, value); } //set { this.SetValue(TestProperty, "BBB"); } } public static readonly DependencyProperty TestProperty = DependencyProperty.Register( "Test", typeof(string), typeof(MainWindow), new PropertyMetadata("CCC")); private void button1_Click(object sender, RoutedEventArgs e) { MessageBox.Show(Test); Test = "AAA"; MessageBox.Show(Test); } } XAML: <Window x:Class="WpfApplication3.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:diag="clr-namespace:System.Diagnostics;assembly=WindowsBase" Title="MainWindow" Height="350" Width="525" DataContext="{Binding RelativeSource={RelativeSource Self}}"> <Grid> <TextBox Height="31" HorizontalAlignment="Left" Margin="84,86,0,0" Name="textBox1" VerticalAlignment="Top" Width="152" Text="{Binding Test, Mode=TwoWay, diag:PresentationTraceSources.TraceLevel=High}"/> <Button Content="Button" Height="23" HorizontalAlignment="Left" Margin="320,85,0,0" Name="button1" VerticalAlignment="Top" Width="75" Click="button1_Click" /> <TextBox Height="31" HorizontalAlignment="Left" Margin="84,138,0,0" Name="textBox2" Text="{Binding Test, Mode=TwoWay}" VerticalAlignment="Top" Width="152" /> </Grid> The two TextBoxes update one an other. And the Button sets them to "AAA". But now I replaced the Setter function with the one that is commented out (simulating some manipulation of the given value). I would expect that whenever the property value is changed it will be reset to "BBB". It does so when you press the button, that is when you set the property in code. But it does for some reason not affect the WPF Bindings, that is you can change the TextBox contents and thus the property, but apparently the Setter is never called. I wonder why that is so, and how one would go about to achive the expected behaviour.

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  • SQL - date variable isn't being parsed correctly?

    - by Bill Sambrone
    I am pulling a list of invoices filtered by a starting and ending date, and further filtered by type of invoice from a SQL table. When I specify a range of 2013-07-01 through 2013-09-30 I am receiving 2 invoices per company when I expect 3. When I use the built in select top 1000 query in SSMS and add my date filters, all the expected invoices appear. Here is my fancy query that I'm using that utilizing variables that are fed in: DECLARE @ReportStart datetime DECLARE @ReportStop datetime SET @ReportStart = '2013-07-01' SET @ReportStop = '2013-09-30' SELECT Entity_Company.CompanyName, Reporting_AgreementTypes.Description, Reporting_Invoices.InvoiceAmount, ISNULL(Reporting_ProductCost.ProductCost,0), (Reporting_Invoices.InvoiceAmount - ISNULL(Reporting_ProductCost.ProductCost,0)), (Reporting_AgreementTypes.Description + Entity_Company.CompanyName), Reporting_Invoices.InvoiceDate FROM Reporting_Invoices JOIN Entity_Company ON Entity_Company.ClientID = Reporting_Invoices.ClientID LEFT JOIN Reporting_ProductCost ON Reporting_ProductCost.InvoiceNumber =Reporting_Invoices.InvoiceNumber JOIN Reporting_AgreementTypes ON Reporting_AgreementTypes.AgreementTypeID = Reporting_Invoices.AgreementTypeID WHERE Reporting_Invoices.AgreementTypeID = (SELECT AgreementTypeID FROM Reporting_AgreementTypes WHERE Description = 'Resold Services') AND Reporting_Invoices.InvoiceDate >= @ReportStart AND Reporting_Invoices.InvoiceDate <= @ReportStop ORDER BY CompanyName,InvoiceDate The above only returns 2 invoices per company. When I run a much more basic query through SSMS I get 3 as expected, which looks like: SELECT TOP 1000 [InvoiceID] ,[AgreementID] ,[AgreementTypeID] ,[InvoiceDate] ,[Comment] ,[InvoiceAmount] ,[InvoiceNumber] ,[TicketID] ,Entity_Company.CompanyName FROM Reporting_Invoices JOIN Entity_Company ON Entity_Company.ClientID = Reporting_Invoices.ClientID WHERE Entity_Company.ClientID = '9' AND AgreementTypeID = (SELECT AgreementTypeID FROM Reporting_AgreementTypes WHERE Description = 'Resold Services') AND Reporting_Invoices.InvoiceDate >= '2013-07-01' AND Reporting_Invoices.InvoiceDate <= '2013-09-30' ORDER BY InvoiceDate DESC I've tried stripping down the 1st query to include only a client ID on the original invoice table, the invoice date, and nothing else. Still only get 2 invoices instead of the expected 3. I've also tried manually entering the dates instead of the @ variables, same result. I confirmed that InvoiceDate is defined as a datetime in the table. I've tried making all JOIN's a FULL JOIN to see if anything is hiding, but no change. Here is how I stripped down the original query to keep all other tables out of the mix and yet I'm still getting only 2 invoices per client ID instead of 3 (I manually entered the ID for the type filter): --DECLARE @ReportStart datetime --DECLARE @ReportStop datetime --SET @ReportStart = '2013-07-01' --SET @ReportStop = '2013-09-30' SELECT --Entity_Company.CompanyName, --Reporting_AgreementTypes.Description, Reporting_Invoices.ClientID, Reporting_Invoices.InvoiceAmount, --ISNULL(Reporting_ProductCost.ProductCost,0), --(Reporting_Invoices.InvoiceAmount - ISNULL(Reporting_ProductCost.ProductCost,0)), --(Reporting_AgreementTypes.Description + Entity_Company.CompanyName), Reporting_Invoices.InvoiceDate FROM Reporting_Invoices --JOIN Entity_Company ON Entity_Company.ClientID = Reporting_Invoices.ClientID --LEFT JOIN Reporting_ProductCost ON Reporting_ProductCost.InvoiceNumber = Reporting_Invoices.InvoiceNumber --JOIN Reporting_AgreementTypes ON Reporting_AgreementTypes.AgreementTypeID = Reporting_Invoices.AgreementTypeID WHERE Reporting_Invoices.AgreementTypeID = '22'-- (SELECT AgreementTypeID FROM Reporting_AgreementTypes WHERE Description = 'Resold Services') AND Reporting_Invoices.InvoiceDate >= '2013-07-01' AND Reporting_Invoices.InvoiceDate <= '2013-09-30' ORDER BY ClientID,InvoiceDate This strikes me as really weird as it is pretty much the same query as the SSMS generated one that returns correct results. What am I overlooking? UPDATE I've further refined my "test query" that is returning only 2 invoices per company to help troubleshoot this. Below is the query and a relevant subset of data for 1 company from the appropriate tables: SELECT Reporting_Invoices.ClientID, Reporting_AgreementTypes.Description, Reporting_Invoices.InvoiceAmount, Reporting_Invoices.InvoiceDate FROM Reporting_Invoices JOIN Reporting_AgreementTypes ON Reporting_AgreementTypes.AgreementTypeID = Reporting_Invoices.AgreementTypeID WHERE Reporting_Invoices.AgreementTypeID = (SELECT AgreementTypeID FROM Reporting_AgreementTypes WHERE Description = 'Resold Services') AND Reporting_Invoices.InvoiceDate >= '2013-07-01T00:00:00' AND Reporting_Invoices.InvoiceDate <= '2013-09-30T00:00:00' ORDER BY Reporting_Invoices.ClientID,InvoiceDate The above only returns 2 invoices. Here is the relevant table data: Relevant data from Reporting_AgreementTypes AgreementTypeID Description 22 Resold Services Relevant data from Reporting_Invoices InvoiceID ClientID AgreementID AgreementTypeID InvoiceDate 16111 9 757 22 2013-09-30 00:00:00.000 15790 9 757 22 2013-08-30 00:00:00.000 15517 9 757 22 2013-07-31 00:00:00.000 Actual results from my new modified query ClientID Description InvoiceAmount InvoiceDate 9 Resold Services 3513.79 7/31/13 00:00:00 9 Resold Services 3570.49 8/30/13 00:00:00

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  • Use text input as php variable

    - by Thomas Lai
    <input type="text" onkeydown="domaincheck()" /> <?php function domaincheck() { $recordexists = checkdnsrr("", "ANY"); if ($recordexists) echo "The domain name has been taken. Sorry!"; else echo "The domain name is available!"; } ?> I want my php code to process the text input and say if it's a valid domain or not. The only thing that doesn't work is linking the input to the php.

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  • HTML5 applicationCache in local development

    - by jesper
    I'm experimenting with application cache based on this example: http://html5demos.com/html5demo.manifest This example works fine in ff, but when I create analogous site (almost identical) I get only status "UNCACHED (numeric value 0) -- The ApplicationCache object's cache host is not associated with an application cache at this time." I work on xampp and I've set correct mime-type. When the page is loading ff "is asking to store data on your computer for offline use" and when I show Tools - Options - Advanced - Network - Offline data there is localhost but with 0B size.

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