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• Multiple video overlay - need advice

  - by Marvin

  Hi, I'm working on a project and I need some advice. Just some background, Im not a programmer though at times I do some fiddling and I am generally comfortable with more specific terms. Now for the actual issue, I have a folder with 10 small videos (4/7 secs max each) and I would like to display them full screen looping and overlaid. I'm not too sure on at what should I be looking at, I thought maybe processing but my most serious issue if that I cant even ask for help since I don't know what I need. Thank you for your time.

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• ASP.NET Gridview Checkbox value to DataTable

  - by Mark

  Hey all, First off, im using a checkbox to highlight a true or false value from a dataset which I want to be able to change it. Unfortunately databinding the DataTable to the GridView checkboxes doesnt work (as you probably know) as it requires it to be in "edit" mode. The way I've gotten round this is having the checkbox reading the data table value seperately rather than being databound and locked: Checked='<%# Convert.ToBoolean(Eval("myValue")) %>' So that solves checkbox values from DataTable - GridView, now I need to do the opposite having the changed checkbox values go from GridView - DataTable as it is not ready to submit it to my data source (SQL) just yet. I figure I need to run a loop through the GridView rows, thats a give'un, what I can't figure out is how to replace/update just a single value in a row of a DataTable , only the ability to add or remove an entire row by the looks of things (something I don't want to do). So can anyone offer a workaround? Or is there a way to have a databound but always editable checkbox in a gridview?

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• Do you know a good and efficient FFT?

  - by yan bellavance

  Hi, I am trying to find a very fast and efficient Fourier transform (FFT). Does anyone know of any good ones. I need to run it on the iPhone so it must not be intensive. Instead, maybe you know of one that is wavelet like, i need frequency resolution but only a narrow band (vocal audio range up to 10khz max...even 10Khz might be too high). Im thinking also of truncating this FFT to keep the frequency resolution while eliminating the unwanted frequency band. This is for an iphone ...I have taken a look at the FFT in Aurio touch but it seems this is an int FFT but my app uses floats.....would it give a big performance increase to try and adapt program to an int FFT or not(which i really dont feel like doing...plus aurio touch uses a radix 2 FFT which is not that great).

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• how do i add two delegates to a ui element at run time?

  - by Michael Xu

  Hi everyone, im trying to implement some behaviors when a mapview element scrolls... by coding a delegate for the scrollview inside of a mapview. so, right now, i got a pointer to the scroll view used by the map view in my code. however, i wish to set the delegate of this scroll view inside the map view, but the issue is that the mapview already sets up a default delegate for this scroll view inside the map view. can i make my delegate implement all of the messages of the protocol, explicitly sending them to the mapview's default delegate while also implementing my own behaviors? how else can i go about adding my own delegate behavior, to an already existing default delegate....? thanks everyone, michael

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• Jasper Report doc export margin problem

  - by Nods

  Hi there, Im using Jasper Reports to generate a word (docx) document but I have a problem when I want to try to print the doc. The exporter messes up the margins of the page. Does anyone know how to prevent that from happening. I know how to set the margin in iReport, but it just makes the data generate further from the page borders, but the margins in word which can be adjusted at the top of the page is laying right at the edge. Has anyone had this problem? Thanks for the help, in advance, Nods

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• Javascript/jQuery height calculation

  - by danit

  Im looking for a way, in javascript, to calculate the size of the browser (px) then calculate the size of a <div> taking away 50px from that full screen size: E.g. Browser screen size: 800px (Height) Existing <div> that is always 50px (Height) Leaves 750px (Height) for the remaining <div> to fill the page. Then take that 750px and apply it as inline style: <div style="height: 50px"> <img src="banner.png" /> </div> <div style="height: x"> This fills the remainder of the page </div>

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• python: sorting

  - by nabizan

  hi im doing a loop so i could get dict of data, but since its a dict it's sorting alphabetical and not as i push it trought the loop ... is it possible to somehow turn off alphabetical sorting? here is how do i do that data = {} for item in container: data[item] = {} ... for key, val in item_container.iteritems(): ... data[item][key] = val whitch give me something like this data = { A : { K1 : V1, K2 : V2, K3 : V3 }, B : { K1 : V1, K2 : V2, K3 : V3 }, C : { K1 : V1, K2 : V2, K3 : V3 } } and i want it to be as i was going throught the loop, e.g. data = { B : {K2 : V2, K3 : V3, K1 : V1}, A : {K1 : V1, K2 : V2, K3 : V3}, C : {K3 : V3, K1 : V1, K2 : V2} }

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• Spring WS & Validator interceptor

  - by mada

  I have a endpoint mapping a webservice which is used to insert in the dabatabase some keywords: @Transactional(readOnly = false,isolation= Isolation.SERIALIZABLE) public Source saveKW(...). The input is a request. I would like to add an interceptor on the method in order to validate the parameters. this one will read some values from the DB. i would like that this interceptor is EMBED in the transaction declared for the endpoint (or this opposite). In other words, i want them to be in the same transaction. Ideally im looking for something like this with annotation: @Transactional(readOnly = false,isolation= Isolation.SERIALIZABLE) @validator("KeyWordValidaor.class") public Source saveKW(...) where KeyWordValidaor will be class validating the parameters. Have you any idea or short examples to implements this like this way or in a other real way?

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• Whats wrong with this simple Layout?

  - by Sebi

  Im trying to define a LinearLayout which contains another LinearLayout which should always be desplayed in the horizontal and vertical center. An ImageView should be placed always vertically centered on the right side of the parent Layout: A B I defined it the following: <LinearLayout android:id="@+id/footer" android:orientation="horizontal" android:layout_height="50px" android:paddingTop="5px" android:layout_width="wrap_content" android:background="@drawable/footer_border" android:paddingRight="5px" android:paddingLeft="5px" android:layout_gravity="center_horizontal" <ImageView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_gravity="right" android:id="@+id/loading"> </ImageView> </LinearLayout> But unfornatuley its not working... The LinearLayout (A) and the ImageView (B) is on the left side.... But i set gravity to center and right?? Why?

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• Windows Command Line

  - by Markus O'Reilly

  Does anyone know how to break out of a for loop when it's typed directly into the windows command-line? I know you can use gotos and labels to break out of it when it's in a batch file, but I can't find anything about breaking out of one on the command line. Here's a simple example: C:> for /l %i in (1,0,1) do @ping -n 1 google.com || (echo ^G & msg user "Google is down!" & QUIT) This should infinitely ping google.com. If it ever fails, it beeps (echo ^G), displays a message box to the user "user" that says "Google is down!", and QUITs. I don't know how to do the quit part though. I guess I could do something like taskkill /f /im cmd.exe, but I was looking for something more elegant. Any tips?

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• Trying to find a match in two strings - Python

  - by Jacob Mammoliti

  I have a user inputting two strings and then I want to check if there are any similar characters and if there is, get the position where the first similarity occurs, without using the find or index function. Below is what I have so far but I doesn't fully work. With what I have so far, I'm able to find the similarities but Im not sure how to find the position of those similarities without using the index function. string_a = "python" string_b = "honbe" same = [] a_len = len(string_a) b_len = len(string_b) for a in string_a: for b in string_b: if a == b: same.append(b) print (same) Right now the output is: ['h', 'o', 'n'] So basically what I am asking is, how can I find the position of those characters without using the Python Index function?

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• How to specify lib folder for JARs when using Android-generated ant build file ?

  - by Eno

  Im using an ant build file that has been generated by android. Our Android application requires a JAR file that lives inside the lib folder of our project, so I need to adjust the classpath that ant is using when it builds stuff. When I run: ant -lib lib debug the project builds just fine, but this should really be inside the build file itself. The build file that android generates references the android_rules.xml so a lot of this stuff is automated. I guess my question, what the best practice here when working with the Android build rules ?

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• Jersey (Jax-RS) & EL

  - by smeg4brains

  Hi there! im trying to get a controller to return a view through a Expression Language-Filter, but have no idea on how to get jersey to use EL for filtering a view. View with EL-tags: <html> <title>%{msg}</title> </html> Controller: @GET @Produces("text/html") public Response viewEventsAsHtml(){ String view=null; try { view=getViewAsString("events"); }catch(IOException e){ LOG.error("unable to load view from file",e); return null; } Response.ResponseBuilder builder=Response.ok(view, MediaType.TEXT_HTML); return builder.build(); } How would one go about in order to get the controller to replace the ${msg} part in the view by some arbitrary value?

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• Databind List Of Objects To A WinForms DataGridView, But Not Show Certain Public Properties

  - by Pyronaut

  I'm not even sure if i'm doing this correctly. But basically I have a list of objects that are built out of a class. From there, I am binding the list to a datagrid view that is on a Windows Form (C#) From there, it shows all the public properties of the object, in the datagrid view. However there is some properties that i still need accessible from other parts of my application, but aren't really required to be visible in the DataGridView. So is there an attribute or something similar that I can write above the property to exclude it from being shown. P.S. Im binding at runtime. So i cannot edit the columns via the designer. P.P.S. Please no answers of just making public variables (Although if that is the only way, let me know :)).

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• Django openid authentication with google

  - by Zayatzz

  Hello I am looking into authenticating via google. I dont understand how it works:http://code.google.com/apis/accounts/docs/OpenID.html#Samples If i do that 2nd request by entering the data as one url with params into browser i get back XML file. Should i not get back sample response nr3? Can somebody explain this to me? The problem is, that im trying to sort through some third party app that uses google openid authentication and its not recieving authenticated users e-mail back, like in sample response 3. Alan PS i have read through similar questions and their responses and gone through pages like: http://stackoverflow.com/questions/353880/how-does-openid-authentication-works http://www.windley.com/archives/2006/04/how_does_openid.shtml http://tinisles.blogspot.com/2008/02/how-does-openid-work.html http://openid.net/pres/protocolflow-1.1.png etc..

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• Firefox Upload Form Issue

  - by cast01

  Ive created an uplaod script in php that takes a file, resizes it, and creates a cropped square thumbnail. The script itself seems to work fine. However, when i tried to upload an image through firefox, on clicking the submit button the browser shows the loading animation, but it never calls the script, it just stays on the current page. If dont upload an image, then the script can be found and is run. I tried in safari, and i dont get the same problem, i can upload an image from the form, it will process it and take me the correct page. Ive tired just calling a basic script from the form, it just prints out the $_POST and $_FILES, and i get the same result, if an image is present, it wont get to the script, if no image is present, it runs fine. Im just wondering if anyone has any idea whats going on?

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• trying to parse an xml from a url and it wont work.

  - by ida

  this page shown an xml file and im trying to use simplexml to parse the data out and print it. what am i missing? cause all it does is show a blank page when i run it. <?php $url = "http://api.scribd.com/api?method=docs.getList&api_key=2apz5npsqin3cjlbj0s6m"; $xml = new SimpleXMLElement($url,NULL,true); foreach($xml -> result as $value) { echo $value->doc_id."<br/>"; echo $value->access_key."<br/>"; echo $value->secret_password."<br/>"; echo $value->title."<br/>"; } ?>

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• Why can I not add a animation to a UIImageView?

  - by Flocked

  Hello, Im trying to add a animation to a UIImageView, but it always fails. Why? Here is the code: //(…) UIImage *newImage = UIGraphicsGetImageFromCurrentImageContext(); animationImage = [[UIImageView alloc]initWithImage:newImage]; [self.view addSubview:animationImage]; CATransition *animation = [CATransition animation]; [animation setDelegate:self]; [animation setDuration:0.35]; [animation setTimingFunction:UIViewAnimationCurveEaseInOut]; animation.type = @"pageCurl"; animation.fillMode = kCAFillModeForwards; animation.endProgress = 0.58; [animation setRemovedOnCompletion:NO]; [[animationImage layer] addAnimation:animation forKey:@"pageCurlAnimation"];

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• Java == operator. "Invalid assignment operator"

  - by Tom

  Hi, I was trying to write a simple method boolean validate(MyObject o) { return o.getPropertyA() == null && o.getPropertyB()==null; } And got a strange error on the == null part. Maybe my Java is rusty after a season in PLSQL. Consider this: Integer i = 4; i ==null; //compile error: Syntax error on token ==. Invalid assignment operator. Integer i2 = 4; if (i==null); //No problem How can this be ? Any explanation ? Im using jdk160_05.

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• problem with asf writer

  - by hatham

  Im trying to encode raw data(both video frame and audio sample) into .asf file, using asf writer filter in directshow. my filter graph structure: raw_send_filter - asf writer filter raw_send_filter implements CBaseFilter and CBaseOutputPin. It plays a role as source filter which get raw data, then deliver them to ASF writer filter. The process follows these steps: Get deliver buffer (return into "sample") , using the function CBaseOutputPin::GetDeliveryBuffer sample-GetPointer(&buffer); Set time stamp (with frame rate = 30 fps) deliver sample The problem is after encode some raw data, I can not deliver any more. I can encode .avi file with this way, using Avi mux filter. Can u tell me why I can not deliver samples after encoding some? Thanks.

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• FLVPlayback, go fullscreen smooth?

  - by Marcel

  Hello, Im looking into using and customizing FLVPlayback in a project. How to go about this is clear, but I noticed 1 anoying thing. When going fullscreen, first Flash player goes fullscreen and then briefly shows the FLVPlayback component in its original size, before jumping to show the video itself fullscreen. I noticed on Youtube this doesnt happen. How can I escape this 'flicker' and have the video go fullscreen as the videos do on youtube? Thanks a lot for any tips! Marcel

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• Getting the median of 3 values using scheme's

  - by kristian Roger

  The problem this time is to get the median of three values (easy) I did this: (define (med x y z) (car(cdr(x y z))) and it was accepted but when testing it: (med 3 4 5) I get this error: Error: attempt to call a non-procedure (2 3 4) And when entering letters instead of number i get: (md x y z) Error: undefined varia y (package user) Using something besides x y z I get: (md d l m) Error: undefined variable d (package user) the question was deleted dont know how anyway write a function that return the median of 3 values Sorry for editing the question I got that I should put the values in order first not just a sill car and cdr thing so I did so 33> (define (med x y z) (if(and( (<x y) (<y z) y if(and( (<y x) (<x z) x z))))) Warning: invalid expression (if (and< (<x y) (<y z) y if (and ((<y x) (<x z) x z)))) but as u see Im getting a warning so what is wronge ?

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• The CHOICE : Firebird or H2

  - by blow

  Hi, i have to choice a database to use in server-mode for a java desktop application. I think both are great java database. In my opinion (im NOT well-informed): H2 PRO Is java based Develeopment say it is very very fast Easy to install, configure and use with java application H2 CONS Is a young project Reliability doubt for commercial porpouse FireBird PRO Rock solid project Well documented Should be fast and well optimized for large data Has a java driver... FireBird CONS It is not java based ... ? So, i can't choice between this great db, can i have a suggestion? Thank.

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• Download a file from one ASP.NET web application to other (given the credentials)

  - by Tom S.

  Hi everybody! Im working on a asp.net 3.5 web application (C#), where i have a file with some information that is updated frequently, and only few accounts can access to it (the application is using the asp.net authentication system, stored in a SQL database). My task is to parse that file, so i made a small parser (another web app) a to show the information in a more friendly way. However, everytime i want to parse it, i need to enter in the application with one of those accounts, download the file, put in the parser's folder. Is there any way to, given the username and password, download the file directly from the parser application and use that one? Thanks in advance

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• Convert from Price

  - by Leroy Jenkins

  Im attempting to Convert a Price (from an API (code below)). public class Price { public Price(); public Price(double data); public Price(double data, int decimalPadding); } What I would like to do is compare the price from this API to a Double. Simply trying to convert to Double isnt working as I would have hoped. Double bar = 21.75; if (Convert.ToDouble(apiFoo.Value) >= bar) { //code } when I try something like this, I believe it says the value must be lower than infinity. How can I convert this price so they can be compared?

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