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  • Dojo and unregistering widgets

    - by John Korsnes
    Hi, I am new to the Dojo Toolkit. I'm getting the error Tried to register widget with id=myButton but that id is already registered whenever I try to load dojo content twice (meaning I load HTML content through jQuery.Load into a container div). Is there a way of unregistering already registered widgets in dojo? I've seen some examples, but I don't really get them working. My button: <button dojoType="dijit.form.Button" id="myButton">button</button>

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  • Best way to display a background with a pattern in an iPhone/iPad app

    - by Dr Dork
    Here's an example of the type of background image I'm talking about... Clearly, there's a pattern in it. My question is, if this were an iPad app and the background image was twice the size, would there be any significant benefits to taking advantage of this pattern by tiling the image? Or would it really make no difference in terms of performance and just be easier to load the entire image into a UIImageView? Thanks in advance for all your wisdom!

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  • Output from OouraFFT correct sometimes but completely false other times. Why ?

    - by Yan
    Hi I am using Ooura FFT to compute the FFT of the accelerometer data in windows of 1024 samples. The code works fine, but then for some reason it produces very strange outputs, i.e. continuous spectrum with amplitudes of the order of 10^200. Here is the code: OouraFFT *myFFT=[[OouraFFT alloc] initForSignalsOfLength:1024 NumWindows:10]; // had to allocate it UIAcceleration *tempAccel = nil; double *input=(double *)malloc(1024 * sizeof(double)); double *frequency=(double *)malloc(1024*sizeof(double)); if (input) { //NSLog(@"%d",[array count]); for (int u=0; u<[array count]; u++) { tempAccel = (UIAcceleration *)[array objectAtIndex:u]; input[u]=tempAccel.z; //NSLog(@"%g",input[u]); } } myFFT.inputData=input; // specifies input data to myFFT [myFFT calculateWelchPeriodogramWithNewSignalSegment]; // calculates FFT for (int i=0;i<myFFT.dataLength;i++) // loop to copy output of myFFT, length of spectrumData is half of input data, so copy twice { if (i<myFFT.numFrequencies) { frequency[i]=myFFT.spectrumData[i]; // } else { frequency[i]=myFFT.spectrumData[myFFT.dataLength-i]; // copy twice } } for (int i=0;i<[array count];i++) { TransformedAcceleration *NewAcceleration=[[TransformedAcceleration alloc]init]; tempAccel=(UIAcceleration*)[array objectAtIndex:i]; NewAcceleration.timestamp=tempAccel.timestamp; NewAcceleration.x=tempAccel.x; NewAcceleration.y=tempAccel.z; NewAcceleration.z=frequency[i]; [newcurrentarray addObject:NewAcceleration]; // this does not work //[self replaceAcceleration:NewAcceleration]; //[NewAcceleration release]; [NewAcceleration release]; } TransformedAcceleration *a=nil;//[[TransformedAcceleration alloc]init]; // object containing fft of x,y,z accelerations for(int i=0; i<[newcurrentarray count]; i++) { a=(TransformedAcceleration *)[newcurrentarray objectAtIndex:i]; //NSLog(@"%d,%@",i,[a printAcceleration]); fprintf(fp,[[a printAcceleration] UTF8String]); //this is going wrong somewhow } fclose(fp); [array release]; [myFFT release]; //[array removeAllObjects]; [newcurrentarray release]; free(input); free(frequency);

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  • JQuery remove .append after 5 seconds

    - by RussP
    Oh gosh here a lot today - oops Folks, best way to do this: $j('.done').append('Your services have been updated'); (that bits done) but then remove the append after say 5 seconds so that if a person resubmits a form(allowed) the append does not continue adding the text? i.e updated once "Your services have been updated", twice would read "Your services have been updated Your services have been updated" but I would only want Your services have been updated to show once

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  • SOA principals - should a service call another service?

    - by silves89
    I'm new to SOA (and to Stack Overflow too...) Some services and web applications we are developing must all log audit information. We are considering an audit service for this. Is there any SOA governing principal that should make me think twice about having one of the services call the audit service to log information? A service-to-service call in other words?

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  • Is scala's cake pattern possible with parametrized components?

    - by Nicolas
    Parametrized components work well with the cake pattern as long as you are only interested in a unique component for each typed component's, example: trait AComponent[T] { val a:A[T] class A[T](implicit mf:Manifest[T]) { println(mf) } } class App extends AComponent[Int] { val a = new A[Int]() } new App Now my application requires me to inject an A[Int] and an A[String], obviously scala's type system doesn't allow me to extends AComponent twice. What is the common practice in this situation ?

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  • UnicodeDecodeError when redirecting to file

    - by zedoo
    Hi, I run this snippet twice, in the ubuntu terminal, (encoding set to utf-8) once with ./test.py and then with ./test.py >out.txt: uni = u"\u001A\u0BC3\u1451\U0001D10C" print uni Without redirection it prints garbage. With redirection I get a UnicodeDecodeError. Can someone explain why I get the error only in the second case, or even better give a detailed explanation of what's going on behind the curtain in both cases?

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  • Foreign Keys Duplicated in DataGridView

    - by John Doe
    I created a Windows Forms Application to which I added a DataGridView and LINQ to SQL Classes from one of my databases. I can successfully bind one of my database's tables to my DataGridView: var dataSource = from c in _db.NetworkedEquipments select c; dataGridView1.DataSource = dataSource; However, the foreign keys get duplicated, that is, the columns appear twice. How can I prevent this?

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  • Converting DTOs to View Models

    - by illvm
    Does anyone know of a good (read: quick to code) method for converting DTOs to View Models or mapping DTO members to View Model members? Lately I've been finding myself writing many conversion and helper methods but this is a very arduous and tedious task. Moreover, it will often needs to be done twice (DTO - View Model, View Model - DTO). Is there a methodology, technique, or technology which would allow me to do this more quickly and efficiently?

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  • How to stream your images/files with VLC?

    - by Ole Jak
    So I know there are lot of wrapers of libVLC.dll . But I just do not know what one is ready to do what I need... What I need is simple... in my C# programm I create some bitmap (once or twice per second)... I now want to stream bitmaps live as video (in some format VLC can to offer me) to some http:localhost:port/ using VLC... How to do that?

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  • using lambda instead of let in scheme

    - by Radagaisus
    Hey, In SICP 1.2.1 there is a function that makes a rational number, as follow: (define (make-rat n d) (let ((g (gcd n d))) (cons (/ n g) (/ d g)))) I'm just curious how you can implement the same thing using lambda instead of let, without calling GCD twice. I couldn't figure it out myself.

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  • How to change file contents in PHP ?

    - by Misha Moroshko
    I save in a file some info about users (like number of times user passed the login page, last visited time, and so on). I want to read this info from the file, and update it (add 1 to the counter, and change the last visited time). My question is: can I do it without opening the file twice ? I open the first time to read the contents, and then open it again to overwrite the contents with the updated ones. Thanks !

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  • iPhone rotation on demand

    - by yosh
    Is there a way to manually check current position of device AND ask device to automatically rotate it without waiting for user to actually rotate the device? Currently I control the rotation with several IFs in -shouldAutorotateToInterfaceOrientation but in few situations I have to stop the view from rotating and enable it again and I don't want user to rotate the device twice to have the desired orientation.

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  • SQL use DISTINCT with ORDER BY (Oracle)

    - by ArneRie
    Hi, i have an strange problem. I want to select "timestamps" from an DB Table with Distinct and orderded by timestamp. ID TimeStamp -- --------- 1 123456789 2 123456789 3 333333333 4 334345643 In my PHP Script: $sql = "SELECT DISTINCT TIMESTAMP FROM TIMESTAMPS ORDER BY TIMESTAMP" When i use order by, the values are returned twice? Without order by the result is correct.. but not sorted. We are using Oracle 10g Any ideaS?

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  • Messenger -"Register" an instance and not a type with the MVVM Light Toolkit?

    - by vidalsasoon
    Hello i'm consfused using the Messenger class of MVVM Light. I have a ProductsViewModel that can get initialized a number of times. In the constructor of ProductsViewModel I have this code: Messenger.Default.Register(this, n = MessageBox.Show(n.Test)); The problem is, if I have 2 instances of ProductsViewModel, then Messenger gets registered twice. Is is bad to Register the Messenger in a constructor? Hope this makes sense!

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  • PHP: How to forward on $_FILES using cURL

    - by Toby
    Hi. I'm trying to use cURL to forward on a http request from a form in a web application I'm developing. Essentially I need to submit the same form twice on different servers, for the second server I'm adding some security measures to the post data. I can receive $_POST information on the second form perfectly fine, however I'm having major troubles with my $_FILES - I've tried separating the two so there's a separate request for post and files data but still no luck. Is this possible?

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  • Playing with Strings

    - by HARSHITH
    Given a string and a non-empty word string, return a string made of each char just before and just after every appearance of the word in the string. Ignore cases where there is no char before or after the word, and a char may be included twice if it is between two words. wordEnds("abcXY123XYijk", "XY") ? "c13i" wordEnds("XY123XY", "XY") ? "13" wordEnds("XY1XY", "XY") ? "11"

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  • Drawing performance in Java 6 updates 19,20 versus Java 6 update 3 ?

    - by Pesho
    I'm getting twice the frame rate with the earlier Java 6 u 3, than with the new ones. Very weird. Can anyone give some explanation? On Core 2 Duo 1.83ghz, integrated video (only one core is used) - 1500 (older java) vs 700 fps On Athlon 64 3500+, discrete video - 120 (older java) vs 55 fps The app is a simple game with a moving rectangle. I'm using Graphics2D to draw from a loop.

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  • DoubleClick studio thinks I've imported the Enabler component in both my parent and my child asset f

    - by Marijn Huizendveld
    I've just started to work with DoubleClick Studio. I've successfully created a Flash expanding ad with CS4 that is mostly scripted and uses the Document class option. Now for some reason the back end of DoubleClick Studio thinks I've imported the Enabler component twice. I've checked my files numerous of times but can't find the root cause. Any help is much appreciated :)

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  • how to optimize this query?

    - by jest
    hi! the query is: select employee_id, last_name, salary, round((salary+(salary*0.15)), 0) as NewSalary, (round((salary+(salary*0.15)), 0) - salary) as “IncreaseAmount” from employees; can i optimize this round((salary+(salary*0.15)), 0) part in anyway, so that it doesn't appear twice..i tried giving it an alias but didn't work :(

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  • how to identify process in kernel read func without using current->pid

    - by yoavstr
    my lecture wants us to build module where we need to identify each read process and where the same read process called twice on the same writer massage we should insert him to an queue who's we wake up when all readers have read I achieved this goal by by using list of pid's and boolean read/not_read inside each node but he decided to be nasty and require us to it with some argument from FILE struct can you please help me ?....

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