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• how can i set the background color of a particular button in iphone ?

  - by suchita

  for this I used btnName1 = [ColorfulButton buttonWithType:UIButtonTypeRoundedRect]; btnName1.frame=CGRectMake(45,146,220,40); [btnName1 setTitle:@"Continue" forState:UIControlStateNormal]; [btnName1 setTitleColor:[UIColor blackColor] forState:UIControlStateNormal]; [btnName1 setImage:[UIImage imageNamed:@"green.png"] forState:UIControlStateNormal]; UIImage *img =[UIImage imageWithContentsOfFile:[[NSBundle mainBundle]pathForResource:@"greenish" ofType:@"png"]]; UIImage *strechableImage = [img stretchableImageWithLeftCapWidth:12 topCapHeight:0]; [btnName1 setBackgroundImage:strechableImage forState:UIControlStateNormal]; [btnName1 setNeedsDisplay]; [InfoView addSubview:btnName1]; it's correctly working on iphone simulator but not on ipod(color not show in ipod)

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• Thread help with Android game

  - by Ciph3rzer0

  I need some help dealing with three Threads in Android One thread is the main thread, the other is the GLThread, and the other is a WorkerThread I created to update the game state. The problem I have is they all need to access the same LinkedList of game objects. Both the GLThread and my WorkerThread only read from the LinkedList, so no problem there, but occasionally I have the main thread adding in another game object to the list. How can I manage this? I tried using synchronized in front of the functions involved but it really slows down the application. For some reason, just catching the errors and not rendering or updating the game state that frame, causes it to start lagging permanently. Anyone have any great ideas?

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• Writing a script for reading many .csv files with similar filenames

  - by wahalulu

  I have several .csv files with similar filenames except a numeric month (i.e. 03_data.csv, 04_data.csv, 05_data.csv, etc.) that I'd like to read into R. I have two questions: Is there a function in R similar to MATLAB's varname and assignin that will let me create/declare a variable name within a function or loop that will allow me to read the respective .csv file - i.e. 03_data.csv into 03_data data.frame, etc.? I want to write a quick loop to do this because the filenames are similar. As an alternative, is it better to create one dataframe with the first file and then append the rest using a for loop? How would I do that?

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• How do I "think in AngularJS" if I have a jQuery background?

  - by Mark Rajcok

  How do I “think in AngularJS” if I have a jQuery background? Suppose I'm familiar with developing client-side applications in jQuery, but now I'd like to start using AngularJS. Can you describe the paradigm shift that is necessary? Here are a few questions that might help you frame an answer: How do I architect and design client-side web applications differently? What is the biggest difference? What should I stop doing/using; what should I start doing/using instead? Are there any server-side considerations/restrictions? I'm not looking for a detailed comparison between jQuery and AngularJS.

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• Cannot step into .NET framework source with VS2008 SP1.

  - by Vilx-

  Somehow my VS2008 SP1 has lost the ability to step into .NET framework sources. I've played around with checkboxes to no end; I've re-deleted the Symbol cache folder a dozen times; and I've tried all kinds of debug symbol servers. All it does is download some .PDB files, but when I try to select a stack frame in .NET, I always get the message about no source available and "do you want to view disassembly". What gives? Added: Web application; Windows Vista Business x32; .NET 3.5 SP1.

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• identifying Button selection of each row in Tableview?

  - by senthilmuthu

  hi,i coded like - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { UIButton *btn = [UIButton buttonWithType:UIButtonTypeRoundedRect]; btn.frame = CGRectMake(230.0f, 4.0f, 60.0f, 36.0f); [btn setTitle:@"OK" forState:UIControlStateNormal]; [btn setTitle:@"OK" forState:UIControlStateSelected]; [btn addTarget:self action:@selector(onClickRename:) forControlEvents:UIControlEventTouchUpInside]; [cell addSubview:btn]; return cell; } but if the user selects the button on particular row, i can change that image through onClickRename...but can i get inwhich row's image has been touched through (void)tableView:(UITableView )tableView didSelectRowAtIndexPath:(NSIndexPath)indexPath ?

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• How do I specify a dynamic position for the start of substring?

  - by analyticsPierce

  As in the example, I am trying to substring the Video_full column in a data.frame (video_data_2) I am working on. I want to keep all the characters after the period. The period is always present, there is only one period and it is in a different position in each value for the column. Date Video_full Instances 1 Apr 1, 2010 installs/AA.intro_video_1 546 2 Apr 1, 2010 installs/ABAC.intro_video_2 548 I got substring to work; video_data_2$Video_full <- substring(video_data_2$Video_full,11) And strsplit also; strsplit("installs/AA.intro_video_1 ",'[.]') I'm just not able to figure out how to start the substring in a dynamic position or only keep the second value returned by strsplit. Thanks for any help you can offer for a simple question.

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• Zoom controls not showing when using a MapView with fill_parent

  - by Joe

  Hey everyone I am working on an applications and I am using the built in zoom controls. When using a specific size I can see the zoom controls. When using fill_parent the zoom controls are not visible. How it is setup is a mapview inside of a frame layout(also using fill parent for the height and width but with an offset down the screen. The only thing I can think of is the fill parent issue is with the framelayout and the zoom controls are off the screen. Sorry if this is confusing, I confused myself writing it. Thanks in advance

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• Finding data file location while using Microsoft Test Framework

  - by Nair

  I have been using NUnit and now I am switching to the Microsoft Unit Test frame work. In my test project I have a folder called TestData and I kept all my test input data files there. I want to use that files for my unit testing. In my test code, I am using Application name space and assembly name space but I can not get to the data folder directly until unless I write a code to find and replace some string to point to the data folder. I am sure someone might have run into the same problem, is the solution to change the path through program or is there a API call which will let us get to executing assembly folders? Thanks,

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• How to change size of UIButton

  - by Adam

  I'm trying to resize a UIButton in my iPhone app. I have a UIButton synthesized and when I call the following code, it moves on the screen, but the width & height of the button never change. button.frame.size = CGRectMake(104, 68, 158, 70); For example, when I change the height (70) to 40, the height of the button does not change. If I change the x or y, however, it will move on the screen. Any ideas?

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• MKPinAnnotationView - hard to drag

  - by James Zaghini

  I have a MKPinAnnotationView that the user can drag around the map. It is very difficult for a user to drag the pin. I've tried increasing the frame size and also using a giant custom image. But nothing seems to actually change the hit area for the drag to be larger than default. Consequently, I have to attempt to tap/drag about ten times before anything happens. MKPinAnnotationView *annView = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"bluedot"] autorelease]; UIImage *image = [UIImage imageNamed:@"blue_dot.png"]; annView.image = image; annView.draggable = YES; annView.selected = YES; return annView; What am I missing here?

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• Help with memory leak (malloc)

  - by user146780

  I'v followed a tutorial to use OGL tesselaton. In one of the callbacks there is a malloc and it creates a leak every time I render a new frame. void CALLBACK combineCallback(GLdouble coords[3], GLdouble *vertex_data[4], GLfloat weight[4], GLdouble **dataOut) { GLdouble *vertex; vertex = (GLdouble *) malloc(6 * sizeof(GLdouble)); vertex[0] = coords[0]; vertex[1] = coords[1]; vertex[2] = coords[2]; for (int i = 3; i < 6; i++) { vertex[i] = weight[0] * vertex_data[0][i] + weight[1] * vertex_data[0][i] + weight[2] * vertex_data[0][i] + weight[3] * vertex_data[0][i]; } *dataOut = vertex; } I'v tried to free(vertex) but then the polygons did not render. I also tried allocating on the heap then doing delete(vertex) but then the polygon rendered awkwardly. I'm not sure what to do. Thanks

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• How to increase Size of PhotoLibrary View in iPad?

  - by Shreedhar

  Folwing code is to pop photoLibrary videoPicker = [[UIImagePickerController alloc] init]; videoPicker.delegate = self; videoPicker.sourceType = UIImagePickerControllerSourceTypePhotoLibrary; videoPicker.mediaTypes = [NSArray arrayWithObjects:(NSString *) kUTTypeImage,(NSString *)kUTTypeMovie,nil]; videoPicker.allowsEditing = YES;; pop = [[UIPopoverController alloc]initWithContentViewController:videoPicker]; pop.popoverContentSize = CGSizeMake(500, 900); [pop setDelegate:self]; [pop presentPopoverFromRect:[sender frame] inView:self.view permittedArrowDirections:UIPopoverArrowDirectionDown animated:YES]; [videoPicker release]; How to increase the photoLibrary view(width X height) on pop?

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• Using CCSpriteFrameCache without CCSpriteBatchNode

  - by AwDogsGo2Heaven

  I want to know if there is any benefiting caching a sprite sheet and accessing the sprite by frame without using the CCSpriteBatchNode? In some parts of my game the sprite batch node is useful because there is a lot on the screen, however on another part its not, because there are just a few things, and there are requirements for layers so CCSpriteBatchNode wouldn't be useful. However, for the sake of consistency I would like to use Sprite Sheets for all my sprites, and so was beginning to wonder if I would still receive any benefit from it? (Or worse that it could some how be slower...)

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• Problems to make programming more interesting for school students [closed]

  - by Jomoos

  I have to teach Java programming to school students and all are around the age of 15. None of them had any previous experience in programming. That is, I have to start from the very basics. I do like to make the sessions more interesting, and to make them love programming. I do need simple problems or puzzles -- not complex ones, simple ones -- that can increase their curiosity, and made them think and love programming. I do like to have problems for all of the concepts (like branching, looping, encapsulation, inheritance, composition, etc.,). Notes: I do have a time-frame of 1 hour for each session. Computers are not available. Maybe I can bring my laptop and show a demo to them. There are 7 students in the class.

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• Iframe contents not accessible from a page in different domain

  - by geekonweb

  Need some help from javascript gurus. I have one page where http://www.google.com/finance/converter is embedded inside IFrame. I am able to get the event notification whenever Google Finance page loads. Now problem is this that contents of this page is not accessible through javascript. It seems to be some security issue (firebug notified). Is there any workaround so that I can access values (result and select boxes) using javascript? I am using .. function iframe_loaded(){ $("#frame").contents().find("select"); // returns 0 elements }

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• cvRetrieveFrame crahses

  - by pooh_bear

  I'm trying to write a simple openCV code that create a capture and retrieves the first frame from it. **CvCapture *m_pCapfile = cvCreateFileCapture(m_aviFileName.c_str()); if (m_pCapfile) m_frames = cvRound(cvGetCaptureProperty(m_pCapfile, CV_CAP_PROP_FRAME_COUNT)); cvSetCaptureProperty(m_pCapfile, CV_CAP_PROP_POS_FRAMES, 0); int ret = cvGrabFrame( m_pCapfile); IplImage *cap = cvRetrieveFrame( m_pCapfile);** In m_frames is have 153, which is the correct number of frames as far as I know. cvGrabFrame returns 1 to ret however cvRetrieveFrame crashes. I tries using cvCaptureFromFile and cvCaptureFromAVI instead of cvCreateFileCapture In both cases cvRetrieveFrame method crashes. Any ideas? Thanks

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• compare two characters based on subset

  - by schultem

  I have a simple dataframe with two columns: df <- data.frame(x = c(1,1,2,2,3), y = c(rep(1:2,2),1), target = c('a','a','a','b','a')) I would like to compare the strings in the target column (find out whether they are equal or not, i.e., TRUE or FALSE) within every level of x (same number for x). First I would like to compare lines 1 and 2, then 3 and 4 ... My problem is that I am missing some comparisons, for example, line 5 has only one case instead of two - so it should turn out to be FALSE. Variable y indicates the first and second case within x. I played around with ddply doing something like: ddply(df, .(x), summarise, ifelse(as.character(df[df$y == '1',]$target), as.character(df[df$y == '2',]$target),0,1)) which is ugly ... and does not work ... Any insights how I could achieve this comparison? Thanks

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• Creating NSApp inside another nsviewcontroller

  - by DesperateLearner

  I have opened my mac app in a new nsviewcontroller - (void)applicationDidFinishLaunching:(NSNotification *)aNotification { self.masterViewController = [[MasterViewController alloc] initWithNibName:@"MasterViewController" bundle:nil]; [self.window.contentView addSubview:self.masterViewController.view]; self.masterViewController.view.frame = ((NSView*)self.window.contentView).bounds; } Masterviewcontroller has a customized view in the .xib file. When I need to create an NSApp sheet in this NSViewController for another, I'm calling [NSApp beginSheet:_newDataWindow modalForWindow:window modalDelegate:self didEndSelector:nil contextInfo:nil]; I have to use 'window' for beginSheetModalForWindow. But how do I call it from another NSViewController. I end up with compilation error.

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• Render Silverlight Animation to video file

  - by VOliveira

  Hi guys I need to be able to render a silverlight storyboard animation to video. The animated content itself could be simple UIElements, Images or even two or more videos playing at the same time. Several ideas came to mind like RenderTargetBitmap on a single frame basis, but: 1) I've never tested this against video embedded content 2) Don't know how to actually compose the video from the generated images. Expression Encoder was also on my mind, but I don't know if it's possible to integrate it in a Silverlight/XBAP app to fulfill what's expected from it. What's your opinion on this?

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• r -- finding difference between business days

  - by acesnap

  I have several years of data (only for business days (no weekends or holidays)) in an [r] data frame and would like to find the difference between the data on the 2nd and 5th business day of each month. So the solution needs to go thru the list, determine the 2nd and 5th business day, get the data for the corresponding dates and then find the difference. the data looks like: 1/19/1990 1.22 1/20/1990 1.25 1/23/1990 1.26 (Gap in date is weekend) ... 2/1/1990 1.34 2/2/1990 1.36 2/5/1990 1.22 (Gap in date is weekend) I have tried using dateTime() but it doesn't handicap for weekends and holidays. Any suggestions would be appreciated, thanks.

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• Choose Your Own Adventure : BASIC Programming

  - by theraccoonbear

  Hopefully this isn't considered too off-topic, but I guess we'll see. I'd love to find and frame a copy of this book. Years ago, in my pre-teen years, I remember reading a lot of CYOA books, and one in particular stands out in my mind as the book that started me down the path of becoming a programmer. The details are fuzzy, but what I remember was that the story involved a programmer who was held captive somewhere and was trying to escape. IIRC, each section or chapter had a short BASIC program you could could type into your computer to simulate something from the story. The one that stands out most in my mind was a very simplistic animation made with pipes, pluses, and dashes that "looked" like a metal grate that opened (sliding upward). I realize this is pretty scant information to go on, but I suspect that anyone else who read the book would immediately remember it. Maybe not, I guess we'll see. Again, my apologies if this is too far off-topic for S.O.

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• How do I create a timed ban on an account? (PHP/mysql)

  - by ggfan

  I want to create a function that allows me to ban an account for 10days. In the dbc, I have a field called "ban" and Boolean of 1=notban, 0=ban. I also have a field called "date_banned" which is just the timestamp of when the user got banned. My question is how do I create a time frame of 10days from the date the user was banned? ex: James was banned on "2010-05-03 20:43:48". So how can I go about adding 10days to the timestamp? And after 10days, it would set the "ban" equal to 1(which is not banned).

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• indexing according to frequency

  - by Bfu38

  sorry to bother you. I have a data.frame like this: 24.8 23.2 22.8 22.5 22.5 22.4 22.4 22.4 22.3 22.2 22.2 22.2 22 21.9 21.9 21.8 I would like to add an index according to the frequency, to have the following output: 24.8 1 23.2 1 22.8 1 22.5 2 22.5 2 22.4 3 22.4 3 22.4 3 22.3 1 22.2 3 22.2 3 22.2 3 22 1 21.9 2 21.9 2 21.8 1 How this can be done? in other words, since 28.8 occurs 1 time, it will have the index 1; since 22.5 occurs two times, it will have index 2 and so on.

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• Need to sync two lists with atrribute time, but times aren't equal

  - by virgula24

  I gonna try to describe my problem the best i can. I have two lists, one with audio frames and other with color frames (not relevant). Both of them have timestamps, they were captured at the same moment but at different instants. So, i have like this: index COLOR AUDIO 0 841 846 1 873 897 2 905 948 3 940 1000 the frames start at high numbers because they were captured and then trimmed to specific parts, but im shot, frame 0 is synced with only 5ms apart(timestamp in ms). On every case i have, the audio frames count is less than the color count. I need to make them have the same count. The stating frames may be coloraudio, color

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