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  • iPhone - UIImage imageScaledToSize Memory Issue

    - by bbullis21
    I have done research and tried several times to release the UIImage memory and have been unsuccessful. I saw one other post on the internet where someone else was having this same issue. Everytime imageScaledToSize is called, the ObjectAlloc continues to climb. In the following code I am pulling a local image from my resource directory and resizing it with some blur. Can someone provide some help on how to release the memory of the UIImages called....scaledImage and labelImage. This is the chunk of code where the iPhone Intruments has shown to have the ObjectAlloc build up. This chunk of code is called several times with an NSTimer. //Get local image from inside resource NSString * fileLocation = [[NSBundle mainBundle] pathForResource:imgMain ofType:@"jpg"]; NSData * imageData = [NSData dataWithContentsOfFile:fileLocation]; UIImage * blurMe = [UIImage imageWithData:imageData]; //Resize and blur image UIImage * scaledImage = [blurMe _imageScaledToSize:CGSizeMake(blurMe.size.width / dblBlurLevel, blurMe.size.width / dblBlurLevel) interpolationQuality:3.0]; UIImage * labelImage = [scaledImage _imageScaledToSize:blurMe.size interpolationQuality:3.0]; imgView.image = labelImage;

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  • accelerating Wheel - psychtoolbox in matlab

    - by ariel
    Hi I am trying to write a code that will show an acceleration wheel. as long as the user press 'a' the wheel should accelerate counterclock wize. the thing is that it turn in the right direction but it doesn't accelerate. This is the code I am using . PTB-3 windows XP. img=imread('c:\images.jpg'); [yimg,ximg,z]=size(img); rot_spd = 1; larrow = KbName('a'); % modify this for Windows rarrow = KbName('b'); [w,rect]=Screen('OpenWindow',0,[0 0 0]); sx = 400; % desired x-size of image (pixels) sy = yimg*sx/ximg; % desired y-size--keep proportional t = Screen('MakeTexture',w,img); bdown=0; th = 0; % initial rotation angle (degrees) HideCursor while(~any(bdown)) % exit loop if mouse button is pressed [x,y,bdown]=GetMouse; [keyisdown,secs,keycode] = KbCheck; if(keycode(larrow)) th = th - rot_spd-1; % accelerate counterclockwise th end if(keycode(rarrow)) th = th + rot_spd+1; % accelerate clockwise th end destrect=[x-sx/2,y-sy/2,x+sx/2,y+sy/2]; Screen('DrawTexture',w,t,[],destrect,th); Screen('Flip',w); end Screen('Close',w) ShowCursor If anyone has an odea why it doesn't accelerate I'd appriciate it very much. Ariel

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  • Efficient Context-Free Grammar parser, preferably Python-friendly

    - by Max Shawabkeh
    I am in need of parsing a small subset of English for one of my project, described as a context-free grammar with (1-level) feature structures (example) and I need to do it efficiently . Right now I'm using NLTK's parser which produces the right output but is very slow. For my grammar of ~450 fairly ambiguous non-lexicon rules and half a million lexical entries, parsing simple sentences can take anywhere from 2 to 30 seconds, depending it seems on the number of resulting trees. Lexical entries have little to no effect on performance. Another problem is that loading the (25MB) grammar+lexicon at the beginning can take up to a minute. From what I can find in literature, the running time of the algorithm used to parse such a grammar (Earley or CKY) should be linear to the size of the grammar and cubic to the size of the input token list. My experience with NLTK indicates that ambiguity is what hurts the performance most, not the absolute size of the grammar. So now I'm looking for a CFG parser to replace NLTK. I've been considering PLY but I can't tell whether it supports feature structures in CFGs, which are required in my case, and the examples I've seen seem to be doing a lot of procedural parsing rather than just specifying a grammar. Can anybody show me an example of PLY both supporting feature structs and using a declarative grammar? I'm also fine with any other parser that can do what I need efficiently. A Python interface is preferable but not absolutely necessary.

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  • Having trouble setting up API call using array of parameters

    - by Josh
    I am building a class to send API calls to Rapidshare and return the results of said call. Here's how I want the call to be done: $rs = new rs(); $params = array( 'sub' => 'listfiles_v1', 'type' => 'prem', 'login' => '10347455', 'password' => 'not_real_pass', 'realfolder' => '0', 'fields' => 'filename,downloads,size', ); print_r($rs->apiCall($params)); And here's the class so far: class RS { var $baseUrl = 'http://api.rapidshare.com/cgi-bin/rsapi.cgi?sub='; function apiCall($params) { $newUrl = $baseUrl; $keys = array_keys($params); $count = count($params); for($i = 0; $i < $count; $i++) { $newUrl .= $keys[$i]; $newUrl .= '&'; $newUrl .= $params[$keys[$i]]; } return $newUrl; } } Obviously i'm returning $newUrl and using print_r() to test the query string, and this is what it comes out as with the code shown above: sub&listfiles_v1type&premlogin&10347455password&_not_real_passrealfolder&0fields&filename,downloads,size When it should be: http://api.rapidshare.com/cgi-bin/rsapi.cgi?sub=listfiles_v1&type=prem&login=10347455&password=not_real_pass&realfolder=0&fields=filename,downloads,size Hopefully you can see what I'm trying to do here :P It's probably a silly mistake that I'm failing to find or a logical error. Thanks in advance.

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  • C# exception when calling stored procedure: ORA-01460 - unimplemented or unreasonable conversion req

    - by Taylor L
    I'm trying to call a stored procedure using ADO .NET and I'm getting the following error: ORA-01460 - unimplemented or unreasonable conversion requested The stored procedure I'm trying to call has the following parameters: param1 IN VARCHAR2, param2 IN NUMBER, param3 IN VARCHAR2, param4 OUT NUMBER, param5 OUT NUMBER, param6 OUT NUMBER, param7 OUT VARCHAR2 Below is the C# code I'm using to call the stored procedure: OracleCommand command = connection.CreateCommand(); command.CommandType = CommandType.StoredProcedure; command.CommandText = "MY_PROC"; OracleParameter param1 = new OracleParameter() { ParameterName = "param1", Direction = ParameterDirection.Input, Value = p1, OracleDbType = OracleDbType.Varchar2, Size = p1.Length }; OracleParameter param2 = new OracleParameter() { ParameterName = "param2", Direction = ParameterDirection.Input, Value = p2, OracleDbType = OracleDbType.Decimal }; OracleParameter param3 = new OracleParameter() { ParameterName = "param3", Direction = ParameterDirection.Input, Value = p3, OracleDbType = OracleDbType.Varchar2, Size = p3.Length }; OracleParameter param4 = new OracleParameter() { ParameterName = "param4", Direction = ParameterDirection.Output, OracleDbType = OracleDbType.Decimal }; OracleParameter param5 = new OracleParameter() { ParameterName = "param5", Direction = ParameterDirection.Output, OracleDbType = OracleDbType.Decimal}; OracleParameter param6 = new OracleParameter() { ParameterName = "param6", Direction = ParameterDirection.Output, OracleDbType = OracleDbType.Decimal }; OracleParameter param7 = new OracleParameter() { ParameterName = "param7", Direction = ParameterDirection.Output, OracleDbType = OracleDbType.Varchar2, Size = 32767 }; command.Parameters.Add(param1); command.Parameters.Add(param2); command.Parameters.Add(param3); command.Parameters.Add(param4); command.Parameters.Add(param5); command.Parameters.Add(param6); command.Parameters.Add(param7); command.ExecuteNonQuery(); Any ideas what I'm doing wrong?

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  • problem while removing an element from the TreeSet

    - by harshit
    I am doing the following class RuleObject implements Comparable{ @Override public String toString() { return "RuleObject [colIndex=" + colIndex + ", probability=" + probability + ", rowIndex=" + rowIndex + ", rule=" + rule + "]"; } String rule; double probability; int rowIndex; int colIndex; public RuleObject(String rule, double probability) { this.rule = rule; this.probability = probability; } @Override public int compareTo(Object o) { RuleObject ruleObj = (RuleObject)o; System.out.println(ruleObj); System.out.println("---------------"); System.out.println(this); if(ruleObj.probability > probability) return 1; else if(ruleObj.probability < probability) return -1; else{ if(ruleObj.colIndex == this.colIndex && ruleObj.rowIndex == this.rowIndex && ruleObj.probability == this.probability && ruleObj.rule.equals(this.rule)) return 0; } return 1; } } And I have a TreeSet containing elements of RuleObject. I am trying to do the following : System.out.println(sortedHeap.size()); RuleObject ruleObj = sortedHeap.first(); sortedHeap.remove(ruleObj); System.out.println(sortedHeap.size()); I can see that the size of set remains same. I am not able to understand why is it not being deleted. Also while deleting I could see compareTo method is called. But it is called for only 3 object whereas in set there are 8 objects. Thanks

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  • Making Firefox render canvas text the same as CSS text

    - by Dan Forys
    I've been experimenting with the canvas tag and Javascript. I've made a page that takes Tweets from the Twitter public timeline and animates them into view. It works by using a canvas element in the background for the animation. When the animation is complete, it creates a div element with the same text over the top. I do this so that the tweet text is selectable and links are clickable. Now, in Safari, Chrome and even Opera, the canvas text and div text look almost exactly the same. Yet in Firefox, the size of the text is different enough to make it 'jump' at the point it changes into the div. Does anyone know how to make Firefox render the text the same on the canvas element and the div using CSS? Or is this a rendering inconsistency with the engine. I have put the page on my website if you want to see what I mean. Now for the code: The CSS I'm using for rendering the div contains: line-height: 21px; font-weight: 100; font-family: Georgia, "New Century Schoolbook", "Nimbus Roman No9 L", serif; font-size: 20px; For rendering on the canvas I'm using: this.context.font = this.scale + 'px Georgia'; this.context.fillStyle = "white"; this.context.strokeStyle = 'white'; this.context.fillText(this.text, 0, 0); this.context.strokeText(this.text, 0, 0); where this.scale is an animated scale factor that finishes at 20px exactly. So, to recap, I'm using the same font and ending up at the same px size, yet Firefox renders the text differently between Canvas and CSS. (edit) Here's a screenshot example: First line is the text animating in using canvas, second line is the resulting div.

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  • iPhone: TableView inside UIScrollview, show vaccillating scrollbars around

    - by karim
    Hi, I have added some table and other vies in a scrollview. scrolling in tables are working fine. But in the parent scrollview, when scrolling, a vacillating vertical scrollbars are shown, sometimes it even come to the middle of the screen. sometime show at the left side of the screen. and not limited to the vertical scrollbar region. When I set tje showsVerticalScrollIndicator = NO, it is not shown. But do you know why the scrollbar is moving around. DashboardView is a subclass of UIScrollView. dashboard=[[DashboardView alloc] initWithFrame:fullScreenRect]; dashboard.contentSize = CGSizeMake(320,700); // must do! dashboard.showsVerticalScrollIndicator = YES; dashboard.bounces = YES; self.view = dashboard; @implementation DashboardView (id)initWithFrame:(CGRect)frame { if (self = [super initWithFrame:frame]) { // Initialization code } return self; } (void)drawRect:(CGRect)rect { // Drawing code } (void) layoutSubviews{ NSArray *views = self.subviews; [UIView beginAnimations:@"CollapseExpand" context:nil]; [UIView setAnimationDuration:0.5]; [UIView setAnimationBeginsFromCurrentState:YES]; [UIView setAnimationCurve:UIViewAnimationCurveEaseIn]; UIView *view = [views objectAtIndex: 0]; CGRect rect = view.frame; for (int i = 1; i < [views count]; i++ ) { view = [views objectAtIndex:i]; view.frame = CGRectMake(rect.origin.x, rect.origin.y + rect.size.height, view.frame.size.width, view.frame.size.height); rect = view.frame; } [UIView commitAnimations]; }

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  • An annoying printing issue with Crystal Reports 2008

    - by Xience
    A little background: I have an extremely annoying printing issue with crystal reports. My environment is crystal reports 2008 SP2 on Windows 7 (64bit), Visual studio 2008 and .net framework 3.5 with all the latest updates for everything. The report is designed basically to render a small shelf label of the size (40mm width and 20mm height). In crystal when I set the page size to the above mentioned values and set orientation to portrait and take a preview, everything is displayed as i expect it to be and issuing a print command, it prints absolutely correct. The problem: The problem comes when i print this report from my program (in vb.net), dynamically setting data to some text fields, the result is that crystal somehow changes the print orientation, NOT the paper orientation as in portrait or landscape. Instead of printing from top left towards the bottom right, it rotates the whole output at 90 degrees to the left and reduces everything so small that it is barely visible, although it prints everything out. I have tested it on Intermec PF8t and Zebra GK420d label printers and a whole bunch of laser printers, but with the above stated page settings the output is always the same. Another strange thing that i noticed while experimenting with page sizes if i switch to landscape mode, the print out is correct in its font sizes and positions but then the text gets truncated due to overflowing the page size. Can anyone help me with this. Does crystal has anything like its own print drivers or something. I have tried to ensure to the best of my abilities that it is not a printer driver problem.

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  • Pros & Cons of Google App Engine

    - by Rishi
    Pros & Cons of Google App Engine [An Updated List 21st Aug 09] Help me Compile a List of all the Advantages & Disadvantages of Building an Application on the Google App Engine Pros: 1) No Need to buy Servers or Server Space (no maintenance). 2) Makes solving the problem of scaling much easier. Cons: 1) Locked into Google App Engine ?? 2)Developers have read-only access to the filesystem on App Engine. 3)App Engine can only execute code called from an HTTP request (except for scheduled background tasks). 4)Users may upload arbitrary Python modules, but only if they are pure-Python; C and Pyrex modules are not supported. 5)App Engine limits the maximum rows returned from an entity get to 1000 rows per Datastore call. 6)Java applications may only use a subset (The JRE Class White List) of the classes from the JRE standard edition. 7)Java applications cannot create new threads. Known Issues!! http://code.google.com/p/googleappengine/issues/list Hard limits Apps per developer - 10 Time per request - 30 sec Files per app - 3,000 HTTP response size - 10 MB Datastore item size - 1 MB Application code size - 150 MB Pro or Con? App Engine's infrastructure removes many of the system administration and development challenges of building applications to scale to millions of hits. Google handles deploying code to a cluster, monitoring, failover, and launching application instances as necessary. While other services let users install and configure nearly any *NIX compatible software, App Engine requires developers to use Python or Java as the programming language and a limited set of APIs. Current APIs allow storing and retrieving data from a BigTable non-relational database; making HTTP requests; sending e-mail; manipulating images; and caching. Most existing Web applications can't run on App Engine without modification, because they require a relational database.

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  • Where are tables in Mnesia located?

    - by Sanoj
    I try to compare Mnesia with more traditional databases. As I understand it tables in Mnesia can be located to: ram_copies - tables are stored in RAM only, so no durability as in ACID. disc_copies - tables are located on disc and a copy is located in RAM, so the table can not be bigger than the available memory? disc_only_copies - tables are located to disc only, so no caching in memory and worse performance? And the size of the table are limited to the size of dets or the table has to be fragmented. So if I want the performance of doing reads from RAM and the durability of writes to disc, then the size of the tables are very limited compared to a traditional RDBMS like MySQL or PostgreSQL. I know that Mnesia aren't meant to replace traditional RDBMS:s, but can it be used as a big RDBMS or do I have to look for another database? The server I will use is a VPS with limited amount of memory, around 512MB, but I want good database performance. Are disc_copies and the other types of tables in Mnesia so limited as I have understood?

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  • why Geocoder.getFromLocationName(...) returns an empty list?

    - by urobo
    I'm using the android.location.Geocoder for the first time. The Idea is: I have a Listener on a button which takes input from an EditText and resolve the location. Up to now it's debugging phase, so I have no handler taking messages from the thread, only geocoding and write to logcat. Q: Why this method always returns an empty list of Address objects? private View.OnClickListener checkLocation = new View.OnClickListener() { @Override public void onClick(View v) { location = ((EditText)findViewById(R.id.getLocation)).getText().toString(); Thread thr = new Thread(){ public void run (){ Log.d("Looking for", location); Geocoder gc = new Geocoder(ctx,Locale.ITALY); try { fa= gc.getFromLocationName(location, 3); if (fa.isEmpty())Log.d("getFromLocationName", "NothingFound"); else { int size= fa.size(); for (int i = 0; i<size ;i++) Log.d("getFromLocationName.at("+ String.valueOf(i) +")", fa.get(i).getAddressLine(0)+", "+fa.get(0).getAddressLine(1)); } } catch (IOException e) { Log.e("IOException", e.getMessage()); } } }; thr.start(); } }; manifest: <uses-permission android:name="android.permission.INTERNET"/> <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" /> <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" /> Somebody knows why? (btw I am using 1.6 sdk) Input tried

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  • How can I check whether Exposé is being activated or not?

    - by yangumi
    Hi, I'm creating an application that emulates MacBook's multi-touch Trackpad. As you may know, on MacBook's trackpad if you swipe 4 fingers up, it triggers the Show Desktop. if you swipe 4 fingers down, it shows the Exposé. However, if the Show Desktop is being activated and you swipe 4 fingers down, it will come back to the normal mode. The same goes with the Exposé: if the Exposé is being activated and you swipe 4 fingers up, it will also come back to the normal mode. Here is the problem: I use the keyboard shortcut F3 to show the Exposé and F11 to show the Show Desktop. The problem is, when the Show Desktop is being activated, if I press F3, it will go straight to the Exposé. And when the Exposé is being activated, if I press F11 it will go straight to the Show Desktop. But I want it to behave like Trackpad, which I guess its code may look like this - FourFingersDidSwipeUp { if (isExposeBeingActivated() || isShowDesktopBeingActivated()) { pressKey("Esc"); } else { pressKey("F11"); } } But I don't know how to implement the "isExposeBeingActivated()" and "isShowDesktopBeingActivated()" methods. I've tried creating a window and check whether its size has changed (on assumption that if the Expose is being activated, its size should be smaller), but the system always returns the same size. I tried monitoring the background processes during the Expose, but nothing happened. Does anyknow have any suggestions on this? (I'm sorry if my English sounds weird.)

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  • database design to speed up hibernate querying of large dataset

    - by paddydub
    I currently have the below tables representing a bus network mapped in hibernate, accessed from a Spring MVC based bus route planner I'm trying to make my route planner application perform faster, I load all the above tables into Lists to perform the route planner logic. I would appreciate if anyone has any ideas of how to speed my performace Or any suggestions of another method to approach this problem of handling a large set of data Coordinate Connections Table (INT,INT,INT)( Containing 50,000 Coordinate Connections) ID, FROMCOORDID, TOCOORDID 1 1 2 2 1 17 3 1 63 4 1 64 5 1 65 6 1 95 Coordinate Table (INT,DECIMAL, DECIMAL) (Containing 4700 Coordinates) ID , LAT, LNG 0 59.352669 -7.264341 1 59.352669 -7.264341 2 59.350012 -7.260653 3 59.337585 -7.189798 4 59.339221 -7.193582 5 59.341408 -7.205888 Bus Stop Table (INT, INT, INT)(Containing 15000 Stops) StopID RouteID COORDINATEID 1000100001 100 17 1000100002 100 18 1000100003 100 19 1000100004 100 20 1000100005 100 21 1000100006 100 22 1000100007 100 23 This is how long it takes to load all the data from each table: stop.findAll = 148ms, stops.size: 15670 Hibernate: select coordinate0_.COORDINATEID as COORDINA1_2_, coordinate0_.LAT as LAT2_, coordinate0_.LNG as LNG2_ from COORDINATES coordinate0_ coord.findAll = 51ms , coordinates.size: 4704 Hibernate: select coordconne0_.COORDCONNECTIONID as COORDCON1_3_, coordconne0_.DISTANCE as DISTANCE3_, coordconne0_.FROMCOORDID as FROMCOOR3_3_, coordconne0_.TOCOORDID as TOCOORDID3_ from COORDCONNECTIONS coordconne0_ coordinateConnectionDao.findAll = 238ms ; coordConnectioninates.size:48132 Hibernate Annotations @Entity @Table(name = "STOPS") public class Stop implements Serializable { @Id @GeneratedValue @Column(name = "COORDINATEID") private Integer CoordinateID; @Column(name = "LAT") private double latitude; @Column(name = "LNG") private double longitude; } @Table(name = "COORDINATES") public class Coordinate { @Id @GeneratedValue @Column(name = "COORDINATEID") private Integer CoordinateID; @Column(name = "LAT") private double latitude; @Column(name = "LNG") private double longitude; } @Entity @Table(name = "COORDCONNECTIONS") public class CoordConnection { @Id @GeneratedValue @Column(name = "COORDCONNECTIONID") private Integer CoordinateID; /** * From Coordinate_id value */ @Column(name = "FROMCOORDID", nullable = false) private int fromCoordID; /** * To Coordinate_id value */ @Column(name = "TOCOORDID", nullable = false) private int toCoordID; //private Coordinate toCoordID; }

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  • Generic function pointers in C

    - by Lucas
    I have a function which takes a block of data and the size of the block and a function pointer as argument. Then it iterates over the data and performes a calculation on each element of the data block. The following is the essential outline of what I am doing: int myfunction(int* data, int size, int (*functionAsPointer)(int)){ //walking through the data and calculating something for (int n = 0; n < size; n++){ data[n] = (*function)(data[n]); } } The functions I am passing as arguments look something like this: int mycalculation(int input){ //doing some math with input //... return input; } This is working well, but now I need to pass an additional variable to my functionpointer. Something along the lines int mynewcalculation(int input, int someVariable){ //e.g. input = input * someVariable; //... return input; } Is there an elegant way to achieve this and at the same time keeping my overall design idea?

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  • Printing Pdf using AirPrint causes cut-off content

    - by Jatin Patel
    Here i am printing pdf with size 'pageSize = CGSizeMake(640, 832);'. this size is larget then A4 size page aspected. so i will cut-off some text(means it will not print whole page). while printing same pdf using MAC, it will print whole page with help of option (scale to fit). so can any one help me to come out from this problem.. is there any option in IOS sdk for scale to fit. here is my code.. -(void)printItem { NSArray *aArrPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) ; NSString *aStr = [[aArrPaths objectAtIndex:0] stringByAppendingPathComponent:[NSString stringWithFormat:@"PropertyReport_%d.pdf",self.propertyId]]; // NSString *aStr = [[NSBundle mainBundle] pathForResource:@"TRADUZIONE HELP SECTIONS REV2" ofType:@"pdf"]; NSURL *url=[[NSURL alloc] initFileURLWithPath:aStr]; NSData *data=[[NSData alloc] initWithContentsOfURL:url]; printController = [UIPrintInteractionController sharedPrintController]; if(printController && [UIPrintInteractionController canPrintData:data]) { printController.delegate = self; UIPrintInfo *printInfo = [UIPrintInfo printInfo]; printInfo.outputType = UIPrintInfoOutputGeneral; //printInfo.jobName = [NSString stringWithFormat:@"New Image"]; printInfo.duplex = UIPrintInfoDuplexLongEdge; printController.printInfo = printInfo; printController.showsPageRange = YES; printController.printingItem = data; void (^completionHandler)(UIPrintInteractionController *, BOOL, NSError *) = ^(UIPrintInteractionController *printController, BOOL completed, NSError *error) { if (!completed && error) { //NSLog(@"FAILED! due to error in domain %@ with error code %u", error.domain, error.code); } }; // aWebViewPDF.hidden=FALSE; [printController presentAnimated:YES completionHandler:completionHandler]; } } Thanks Jatin Patel

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  • Java split xml file

    - by CC
    Hi all, I'm working on a piece of code to split files. I want to split flat file (that's ok, it is working fine) and xml file. The idea is to split based of a number of files to split: I have a file, and I want to split it in x files (x is a parameters). I'm doing the split by taking the size of the file and spliting the size by the number of files to split. Then, mysolution was to use a BufferedReader and to use it like while ((n = reader.read(buffer, 0, buffer.length)) != -1) { { The main problem is that for the xml file I cannot just split it, but I have to split it based on a block delimited by a start xml tag and end xml tag: <start tag> bla bla xml stuff </end tag> So I cannot cut a block at the middle. So if when I'm at the half of a block, is the size of my new file is greater than my max, I will have to read until the end of the tag, and then, to start a next file. The problem is that I have all sort of cases, and is a bit difficult to search the end tag. - the block reads a text until the middle of the end tag - the block reads a text until the end of the end tag, and no more other caracter after - etc and in the same time to have a loop and read the next block. Some times the end of a block concatenated with the start of the next one, I have the end xml tag. I hope you get the idea. My question is, does anyone have some algorithm that does that more accurate and who i treating all special cases ? The idea is to split the file as quickly as possible. Thanks alot.

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  • Can pdflatex (or any tex package) automatically rescale included images which have been reduced in s

    - by drfrogsplat
    I'm writing my thesis in LaTeX, generating it with pdflatex. I have a large number of figures, many of which are bitmaps (as opposed to SVG) in PNG/JPEG format. I've generally created them to be fairly high resolution (say 1600x1200-ish) to ensure that whatever size they end up in the document, they'll be at least 300dpi when printed. As I'm writing/laying out the document, I'm including graphics (using \includegraphics from the graphicx package) and setting widths/heights as appropriate (e.g. subfigures are quite small). I don't need the images to be any more than about 300 dpi at best, so where I have shrunk a 1600x1200 image down to say 5cm, the image is now at 800 dpi. So despite including some very small (on the page) images, the PDF is becoming quite large. Is there a way to tell pdflatex or graphicx (or something else involved?) to convert all images to a maximum of 300 dpi, based on the dimensions I'm setting with say \includegraphics[width=2in]{filename}? i.e. so it scales the image to a max of 600x600 pixels as it includes it in the PDF (leaving the original file untouched). I know I can resize the original images with various command line applications, and include the pre-resized versions, but given the images vary in size considerably, it wouldn't be as simple as making sure they're all 300dpi for a constant printed size. It'd also be nice to be able to easily create different versions of PDFs (web vs final print) without resizing images manually, so that the 'web' PDF capped images at say 72-100 dpi while the final print one could cap at 600 (if at all).

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  • How to parse japanese char (utf8?) from imap_fetchbody?

    - by timh
    I am pulling down an email which has english, chinese and japanese in the email. I was using PHP/EZComponents to do this, but a certain japanese char was just not coming through so I am switching to php imap_* funcs to see if they will work. This is what I have below, and the output I am getting. I need to decode this somehow... I know this has been well (read:overly/chaotically) documented all over the web, but I dont have time to earn a PHD in this right now. Any help is greatly appreciated. $hn='{imap.gmail.com:993/imap/ssl}INBOX'; $inbox = imap_open($hn,$username,$password,CL_EXPUNGE); foreach($emails as $email_number) { $ov = imap_fetch_overview($inbox,$email_number,0); $msg = imap_fetchbody($inbox,$email_number,2); var_dump($msg); // doesnt work... .. but right idea? // var_dump( utf8_decode($msg) ); } PARTIAL OUTPUT: <font face=3D"Arial"><span lang=3D"EN-US" style=3D"font-size:10.5pt"><br></= span></font><font color=3D"navy" face=3D"MS Gothic"><span lang=3D"JA" style= =3D"font-size:10.5pt">=CC=EC=9A=DD=A4=AC=A4=A4=A4=A4=A4=AB=A4=E9=A1=A2</spa= n></font></p><p style=3D"margin-right:0pt;margin-bottom:12pt;margin-left:0p= t"> <font color=3D"navy" face=3D"MS Gothic"><span lang=3D"JA" style=3D"font-siz= e:10.5pt"><br></span></font></p><p style=3D"margin-right:0pt;margin-bottom:= 12pt;margin-left:0pt"><font color=3D"navy" face=3D"MS Gothic"><span lang=3D= "JA" style=3D"font-size:10.5pt">xxend</span></font></p>

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  • Image Wells, Core Data, and Sqlite files.

    - by Sway
    I've got a mac application that I've developed. I use it to create sqlite files that are bundled with my iphone app. The mac app uses Core Data and bindings and is working fine except for one "weird" issue. I use an NSImageView (or Image Well) to allow me to drag and drop jpg files. This is bound through to an optional binary attribute in my model class. For some reason when I drag and drop a 4k jpg file it onto the image well and save the sqlite file. The data saved to the binary column is over 15 times larger than it should be. Whereas if I use an application like SQLiteManager and add the image into the row in the database. The binary data is the correct (expected size). File 4k jpg Actual size: 2371. Persisted via Core Data size: 35810. Can anyone give me a suggestion as to why this might be happening? Do I need to set some setting in Interface Builder or write some custom code?

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  • Django Template tag, generating template block tag

    - by Issy
    Hi Guys, Currently a bit stuck, wondering if anyone can assist. I am using django-adminfiles. Which is a near little application. I want to use it to insert images into posts/articles/pages for a site i am building. How django-adminfiles works is it inserts a placeholder i.e <<< ImageFile and this gets rendered using a django template. It also has the feature of inserting custom options i.e (Insert Medium Image) , i figured i would used this to automatically resize images and include it in the post (similar to how WP does it). Django-adminfiles makes use of sorl.thumbnail app to generate thumbnails. So i have tried testing generating thumbnails: The current template that is used to render the inserted image is: {% spaceless %} <img src="{{ upload.upload.url }}" width="{{ upload.width }}" height="{{ upload.height }}" class="{{ options.class }}" class="{{ options.size }}" alt="{% if options.alt %}{{ options.alt }}{% else %}{{ upload.title }}{% endif %}" /> {% endspaceless %} I tried modifying this to: {% load thumbnail %} {% spaceless %} <img src="{% thumbnail upload.upload.url 200x50 %}" width="{{ upload.width }}" height="{{ upload.height }}" class="{{ options.class }}" class="{{ options.size }}" alt="{% if options.alt %}{{ options.alt }}{% else %}{{ upload.title }}{% endif %}" /> {% endspaceless %} I get the error: Exception Value: Caught an exception while rendering: Source file: '/media/uploads/DSC_0014.jpg' does not exist. I figured the thumbnail needs the absolute path so tried putting that in the template, and that works. i.e this works: {% thumbnail '/Users/me/media/uploads/DSC_0014.jpg' 200x50 %} So basically i need to generate the absolute path to the file give the relative path (to web root). You could do this by passing the MEDIA_ROOT setting to the template, but the reason i want to do a template tag is to programmatically set the image size.

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  • WPF image cropping

    - by Califer
    I'm loading layers of images to make a single image. I'm currently stacking them all onto a canvas. I've got it set up so the user can specify the final dimensions of the single image, but even when I change the size of the canvas the images retain their original sizes. I tried to modify the image size as I was loading them in, but the sizes were NaN and the Actual Sizes were 0 so I couldn't change them there. I'm starting to think that canvas might not be the way to go. Any suggestions to how I could clip images to fit a specific size? canvas1.Children.Clear(); int totalImages = Window1.GetNumberOfImages(); if (drawBackground) canvas1.Background = new SolidColorBrush(Color.FromArgb(a,r,g,b)); else canvas1.Background = new SolidColorBrush(Color.FromArgb(0, 0, 0, 0)); for (int i = 0; i < totalImages; i++) { Image image = new Image(); image.Source = Window1.GetNextImage(i); canvas1.Children.Add(image); }

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  • How to change rowHeight of a TableViewCell depending on Stringlength

    - by Jens Koehler
    I have a table with different entries, each with different length. The height of each row should fit, so it can show the whole string. I use the following code: //... cellForRowAtIndexPath if (row == 0) { cell = [tableView dequeueReusableCellWithIdentifier:@"affCell"]; //if (!cell) { cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:@"affCell"]autorelease]; cell.accessoryType = UITableViewCellAccessoryNone; cell.selectionStyle = UITableViewCellSelectionStyleNone; cell.autoresizingMask = UIViewAutoresizingFlexibleHeight; affL = [[UILabel alloc] initWithFrame:CGRectZero]; affL.textAlignment = UITextAlignmentLeft; affL.autoresizingMask = UIViewAutoresizingFlexibleHeight; [cell.contentView addSubview:affL]; //} //declaration label affL.text = [fDictionary objectForKey:@"aff"]; affL.numberOfLines = 0; [affL sizeToFit]; affL.frame = CGRectMake(15.0, 10.0, 220.0, affL.frame.size.height); CGFloat affLH = affL.frame.size.height; [tableView setRowHeight:affLH+30]; I also use //... heightForRowAtIndexPath return affL.frame.size.height; How can I fix this problem?

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  • Keeping track of leading zeros with BitSet in Java

    - by Ryan
    So, according to this question there are two ways to look at the size of a BitSet. size(), which is legacy and not really useful. I agree with this. The size is 64 after doing: BitSet b = new BitSet(8); length(), which returns the index of the highest set bit. In the above example, length() will return 0. This is somewhat useful, but doesn't accurately reflect the number of bits the BitSet is supposed to be representing in the event you have leading zeros. The information I'm dealing with rarely(if ever) falls evenly into 8-bit bytes, and the leading 0s are just as important to me as the 1s. I have some data fields that are 333 bits long, some that are 20, etc. Is there a better way to deal with bit-level details in Java that will keep track of leading zeros? Otherwise, I'm going to have to 'roll my own', so to speak. To which I have a few ideas already, but I'd prefer not to reinvent the wheel if possible.

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  • sorl-thumbnail unit tests fail by 1 pixel (!)

    - by stevejalim
    Hi I'm using sorl-thumbnail in a Django 1.2 (currently 1.2 RC) project and getting a surprising failure of four of sorl's built-in unit tests. Essentially, the resized images are all 1px shorter than the unit tests expect them to be. See below for details I'm developing on OSX 10.5.8 (not Snow Leopard) with Python 2.5.1 (r251:54863, Feb 6 2009, 19:02:12) and PIL 1.1.6. Any thoughts what might be up? Cheers Steve ====================================================================== FAIL: test_extension (sorl.thumbnail.tests.fields.FieldTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/fields.py", line 66, in test_extension self.verify_thumbnail((50, 37), thumb, expected_filename) File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/base.py", line 92, in verify_thumbnail self.assertEqual(image.size, expected_size) AssertionError: (50, 38) != (50, 37) ====================================================================== FAIL: test_thumbnail (sorl.thumbnail.tests.fields.ImageWithThumbnailsFieldTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/fields.py", line 111, in test_thumbnail self.verify_thumbnail((50, 37), thumb, expected_filename) File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/base.py", line 92, in verify_thumbnail self.assertEqual(image.size, expected_size) AssertionError: (50, 38) != (50, 37) ====================================================================== FAIL: testTag (sorl.thumbnail.tests.templatetags.ThumbnailTagTest) ---------------------------------------------------------------------- Traceback (most recent call last): File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/templatetags.py", line 118, in testTag self.verify_thumbnail((90, 67), expected_filename=expected_fn) File "/usr/local/django/myprojectnamehere/lib/sorl/thumbnail/tests/base.py", line 92, in verify_thumbnail self.assertEqual(image.size, expected_size) AssertionError: (90, 68) != (90, 67)

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