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  • Imagemagick command line in PHP

    - by charly
    Hello everyone, I've got the following two commands for imagemagick in the command line: convert in.png container-mask.png +matte -compose CopyOpacity -composite out.png composite container.png out.png -compose multiply final.png Those two commands include 3 files: in.png: the file that should be masked container-mask.png: the back/white mask of the areas of container.png where in.png should be visible container.png image that includes the container for in.png, the one that has been masked in black/white with container-mask.png Now the question is how to transpose this commands into PHP calls. I've played around quite a bit, but I can't make sense of the API at http://php.net/manual/en/book.imagick.php Thanks and Bests, Charly

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  • jqGrid local date manipulation; problem with row ids when deleting and adding new rows

    - by Sam
    I'm using jqGrid as a client side grid input, allowing the user to input multiple records before POSTing all the data back at once. I'm having a problem where if the user has added a few records (say 3 ) the id's for the records will be 1,2,3. if the user deletes record 2, you're left with 1 and 3 for the id of the records. When the user now adds a new records, jqGrid assigns that records the id 3 again since it just seems to count the total records and increments it by one for the new record. This causes problems when selecting rows as now the row id's are 1, 3 and 3. Does anyone know how to access the row ids of records as I could probably use the afterSubmit event and reassign the row id's increasing from 1. ( so after i delete row id 2, this will set the other row id's to 1 and 2) Any other suggestions to solve this problem? Thanks

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  • Playing around with Eclipse features - Project files are now hidden?

    - by Daddy Warbox
    I don't even remember how, but somehow I managed to make all of my project's source files hidden in Eclipse's Package and Project Explorer panels. Go figure. 'Show Filtered Children (alt+click)' temporarily reveals the files, and only in Package Explorer can I double-click to reopen them from this view. They go back into hiding after I select another item, though. Plus, now I'm getting other annoyances, such as all of the folded non-hidden trees altogether expanding when I click on any item, and the entire file folder tree of my project now being shown in these panels (including my .svn subversion folders... which shouldn't be any of Eclipse's business, presently). Long story short, my Package/Project Explorers' just blew up on me, and I want to know how to fix this. Thanks in advance. P.S. What's a good guide I can use to learn my way around this silly contraption, anyway?

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  • Replacing backslash with another symbol in PHP

    - by Skyfe
    Hi there, Been struggling with replacing a backslash by another symbol such as '.-.' just to indicate the position of backslashes as I could not send a string such as 'C\xampp\etc.' through url as GET variable so I thought I'd first replace the backslashes in that string by another symbol, then send through url, and then replace them back to backslashes in the PHP file that handles it. Though would there be a better way to send such strings through url? Because when I try a script such as: $tmp_name = preg_replace("\", ".-.", $_FILES['uploadfile']['tmp_name']); It turns out into a php error as \ is also used as delimiter.. Could anyone help me out on this? Thanks in advanced! Btw, if I'd be able to send a full array through url, this whole problem would be solved, but I don't think it's possible?

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  • UINavigationController and memory management

    - by Dan Ray
    - (void)launchSearch { EventsSearchViewController *searchController = [[EventsSearchViewController alloc] initWithNibName:@"EventsSearchView" bundle:nil]; [self.navigationController pushViewController:searchController animated:YES]; //[searchController release]; } Notice the [searchController release] is commented out. I've understood that pushing searchController onto the navigation controller retains it, and I should release it from my code. I did just alloc/init it, after all, and if I don't free it, it'll leak. With that line commented out, navigation works great. With it NOT commented out, I can navigate INTO this view okay, but coming back UP a level crashes with a *** -[CFArray release]: message sent to deallocated instance 0x443a9e0 error. What's happening here? Is the NavigationController releasing it for me somehow when it goes out of view? The boilerplate that comes on a UINavigationController template in XCode has the newly-pushed controller getting released. But when I do it, it fails.

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  • Explanation for expires header

    - by sushil bharwani
    I have a joomla application working on Apache.To improve site performace we have written a .htaccess file to root of the application with setting a far future expires header to all the static content. As desired first time the files load in fresh with 200 status code. when again click on the same link many of the files are served directly from cache. I need explanation for two things When i press f5 then a number of files load with 304 status code however i expected them to be coming directly from cache without hitting the server for a status header? When i close the browser and come back to the same page again i see the same thing happening a number of files load with 304 status code although i thought they will load directly from the browser cache? I understand that 304 also servs file from browser cache but i want to avoid the header communication between servers as my static files wont ever change. Also i want to add that my requests are over a https connection does that create any issue.

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  • Cross platform unicode path handling

    - by Matt Joiner
    I'm using boost::filesystem for cross-platform path manipulation, but this breaks down when calls need to be made down into interfaces I don't control that won't accept UTF-8. For example when using the Windows API, I need to convert to UTF-16, and then call the wide-string version of whatever function I was about to call, and then convert any output back to UTF-8. While the wpath, and other w* forms of many of the boost::filesystem functions help keep sanity, are there any suggestions for how best to handle this conversion to wide-string forms where needed, while maintaining consistency in my own code?

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  • C# console applications all 16bit?

    - by Jon
    Hi all, I was reading up about NTVDM.exe as I build a quick test console app and it crashed on a friends machine complaining about this EXE. As I understand it all DOS cmd windows (C# console apps included) run as 16bit not 32bit. Is this true? Does this mean all my works console app back office apps are running as 16bit rather than making the most of the 32bit available? What about Windows services? As I believe we wrote it as a console app then made it run as a windows service? Thanks

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  • How can I pass a raw System.Drawing.Image to an .ashx?

    - by Mike C
    I am developing an application that stores images as Base64 strings in xml files. I also want to allow the user to crop the image before saving it to the file, preferably all in memory without having to save a temp file, and then delete it afterwards. In order to display the newly uploaded image, I need to create a HTTP handler that I can bind the asp:Image to. The only examples for doing this online require passing the .ashx an ID and then pulling the image from a DB or other data store. Is it possible to somehow pass the raw data to the .ashx in order to get back the image? Thanks, Mike

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  • Factorising program not working. Help required.

    - by Ender
    I am working on a factorisation problem using Fermat's Factorization and for small numbers it is working well. I've been able to calculate the factors (getting the answers from Wolfram Alpha) for small numbers, like the one on the Wikipedia page (5959). Just when I thought I had the problem licked I soon realised that my program was not working when it came to larger numbers. The program follows through the examples from the Wikipedia page, printing out the values a, b, a2 and b2; the results printed for large numbers are not correct. I've followed the pseudocode provided on the Wikipedia page, but am struggling to understand where to go next. Along with the Wikipedia page I have been following this guide. Once again, as my Math knowledge is pretty poor I cannot follow what I need to do next. The code I am using so far is as follows: import java.math.BigInteger; /** * * @author AlexT */ public class Fermat { private BigInteger a, b; private BigInteger b2; private static final BigInteger TWO = BigInteger.valueOf(2); public void fermat(BigInteger N) { // floor(sqrt(N)) BigInteger tmp = getIntSqrt(N); // a <- ceil(sqrt(N)) a = tmp.add(BigInteger.ONE); // b2 <- a*a-N b2 = (a.multiply(a)).subtract(N); final int bitLength = N.bitLength(); BigInteger root = BigInteger.ONE.shiftLeft(bitLength / 2); root = root.add(b2.divide(root)).divide(TWO); // while b2 not square root while(!(isSqrt(b2, root))) { // a <- a + 1 a = a.add(BigInteger.ONE); // b2 <- (a * a) - N b2 = (a.multiply(a)).subtract(N); root = root.add(b2.divide(root)).divide(TWO); } b = getIntSqrt(b2); BigInteger a2 = a.pow(2); // Wrong BigInteger sum = (a.subtract(b)).multiply((a.add(b))); //if(sum.compareTo(N) == 0) { System.out.println("A: " + a + "\nB: " + b); System.out.println("A^2: " + a2 + "\nB^2: " + b2); //} } /** * Is the number provided a perfect Square Root? * @param n * @param root * @return */ private static boolean isSqrt(BigInteger n, BigInteger root) { final BigInteger lowerBound = root.pow(2); final BigInteger upperBound = root.add(BigInteger.ONE).pow(2); return lowerBound.compareTo(n) <= 0 && n.compareTo(upperBound) < 0; } public BigInteger getIntSqrt(BigInteger x) { // It returns s where s^2 < x < (s+1)^2 BigInteger s; // final result BigInteger currentRes = BigInteger.valueOf(0); // init value is 0 BigInteger currentSum = BigInteger.valueOf(0); // init value is 0 BigInteger sum = BigInteger.valueOf(0); String xS = x.toString(); // change input x to a string xS int lengthOfxS = xS.length(); int currentTwoBits; int i=0; // index if(lengthOfxS % 2 != 0) {// if odd length, add a dummy bit xS = "0".concat(xS); // add 0 to the front of string xS lengthOfxS++; } while(i < lengthOfxS){ // go through xS two by two, left to right currentTwoBits = Integer.valueOf(xS.substring(i,i+2)); i += 2; // sum = currentSum*100 + currentTwoBits sum = currentSum.multiply(BigInteger.valueOf(100)); sum = sum.add(BigInteger.valueOf(currentTwoBits)); // subtraction loop do { currentSum = sum; // remember the value before subtract // in next 3 lines, we work out // currentRes = sum - 2*currentRes - 1 sum = sum.subtract(currentRes); // currentRes++ currentRes = currentRes.add(BigInteger.valueOf(1)); sum = sum.subtract(currentRes); } while(sum.compareTo(BigInteger.valueOf(0)) >= 0); // the loop stops when sum < 0 // go one step back currentRes = currentRes.subtract(BigInteger.valueOf(1)); currentRes = currentRes.multiply(BigInteger.valueOf(10)); } s = currentRes.divide(BigInteger.valueOf(10)); // go one step back return s; } /** * @param args the command line arguments */ public static void main(String[] args) { Fermat fermat = new Fermat(); //Works //fermat.fermat(new BigInteger("5959")); // Doesn't Work fermat.fermat(new BigInteger("90283")); } } If anyone can help me out with this problem I'll be eternally grateful.

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  • QML 5.3 iOS compilation of pure QML app

    - by Nathaniel Johnson
    I have an application written in QML. Initially, I used the standard C++ bootstrap for the app. int main(int argc, char *argv[]) { QApplication app(argc, argv); // A bunch of components and data models written in C++ QQmlApplicationEngine engine; engine.load(QUrl(QStringLiteral("qrc:///main.qml"))); return app.exec(); } The bulk of the app is in QML and the more I work with QML, the happier I am with it and the more I feel comfortable converting the C++ pieces to QML. So, it comes to one risk that I wanted to ask about. If I convert the app to a pure QML application like the kind generated by the Qt Quick UI application wizard with no C++ and designed to be run with qmlscene will I be able to compile it for iOS when the time to port it comes or will I end up just converting it back to the C++ loader form? TL;DR Can pure QML (no C++) apps be compiled and run on iOS devices?

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  • ASP.NET: How to initialize when *user control* is initially loaded

    - by kendor
    I have an ASP.NET user control that I'm embedding in another user control. This works fine. I need to know the best logic/method for detecting when the control is loaded. In other words, I have some display initialization logic that needs to run when the control is initially displayed. Surely there is a pattern for this. The typical method is to put (!IsPostBack) logic in the Page_Load method of the control. This works great until you end up with a state when the Parent page has already posted back many times. My user control gets added to the page but its display does not intialize properly. I'm hoping to find a way that keeps this logic inside the control, versus various hacking around in the codebehind of the parent page.

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  • PHP - what is the proper way to do inline HTML variable output?

    - by edmicman
    I just moved from an Ubuntu PHP workstation dev environment back to Windows and am using xampp. I have a bit of code, like so: <input type="text" name="txtEmail" value="<?=$emailaddress;?>"/> that I swear worked to display the variable in the textbox when I was developing before. But when I loaded the page on Windows/xampp it just put that text between the quotes in the textbox. Instead, I ended up changing it to something like: <input type="text" name="txtFirstName" value="<?php echo($firstname);?>" /> The latter makes sense, but I guess I thought there was a shorthand or something, and I must be going crazy because I'm sure the first way was working on a difference environment. So what's the best way to do this?

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  • Oauth callback problem

    - by yogsma
    I am using OAuth with google data api. We have a portal only for authorized users. So when users are logged in and if they are accessing calendar page, they will be asked if they want to sync their calendars with google calendar. If yes, they will be redirected for authentication. Once user has granted access, google appends OAuth_Token to the callback URL. the callback URL was that of the page of calendar in portal. This url has its query string options encrypted. But when the redirection happens , it takes back to login page of url. url is like http://aaa.xyz.com/(encrypted part of query string) and after oauth_token is authorized, this url becomes http://aaa.xyz.com/(encrypted part of query string)&oauth_token. So the user sees the login page after redirection instead of original page. How should I handle this in code.

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  • Wrapping with Dependency Properties

    - by Chris
    I've got a Windows Forms control that I'm wrapping with a WindowsFormsHost-derived class to access WPF's data binding functionality. The Forms control exposes properties that indicate its state, along with the standard property-changed event notifier. For example, a Zoom property on the Forms control is accompanied with a ZoomChanged event. In the WindowsFormsHost wrapper, I'm using a DependencyProperty to represent the underlying Windows Forms control property. Binding works as expected going to the control; however, I'm not sure how to correctly propogate property changes from the wrapped control back out to binding subscribers (i.e., the Windows Form control changes its Zoom property and raises the ZoomChanged event). Any ideas on how to accomplish this? Should I be using a different approach?

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  • Communication between Page and User Controls

    - by Narmatha Balasundaram
    I have a main page that has multiple user controls on it. All the user controls have static text and some data to be retrieved from the DB. The aysnchronous DB call is clubbed at the page level and one call is made to avoid multiple calls (in the different user controls) to get the same data. I want the page and user controls to load initially with the static text and later refresh the contents obtained from the server. To sum it all up, Page Loads = Asyn calls fired on page load = Data received back from the server (XML/text/whatever) = User controls to load with this data using AJAX. What methods do I have to let the user controls know that I have the data from the server and they need to update with this data?

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  • What are the pros and cons of using an in memory DB rather than a ThreadLocal

    - by Pangea
    We have been using ThreadLocal so far to carry some data so as to not clutter the API. However below are some of issues of using thread local that which I don't like: 1) Over the years the data items being carried in thread local has increased 2) Since we started using threads (for some light weight processing), we have also migrating these data to the threads in the pool and copying them back again I am thinking of using an in memory DB for these (we doesn't want to add this to the API). I wondering if this approach is good. What are the pros and cons? thx in advance.

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  • Is dependency injection possible for JSP beans?

    - by kazanaki
    This may be a long shot question.. I am working on an application that is based on JSP/Javascript only (without a Web framework!) Is there a way to have depencency injection for JSP beans? By jsp beans I mean beans defined like this <jsp:useBean id="cart" scope="session" class="session.Carts" /> Is there a way/library/hack to intercept the bean creation so that when "cart" is referenced for the first time, some some of injection takes place? Can I define somewhere a "listener" for JSP beans (like you can do for JSF beans for example)? I am free to do anything I want in the back-end, but I cannot add a web framework in the front-end (Don't ask!)

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  • SQL Server (2005) Linked Server Issue

    - by David.Chu.ca
    I have SQL Server 2005 with several linked server defined. One of them is a connection to an Oracle server and another one is an ODBC bridge to another server on a remote machine (ODBC server). Recently I tried to use the linked server to Oracle to update data with two large size tables by using several joints. The update query took too long time and finally there was exception thrown: Update O set value = l.value FROM OracleServer..schema.largesizeTable O Join localLargeSizeTable l on .... The problem is that after the exception, I realized that another linked server to ODBC was not working any more. I had to restart SQL server to get the ODBC linked server back. It looks that the linked server pool could be crashed if any of them failed(not like sandbox in Chrome for each tab and no impact on other tabs or Chrome application at all). I am not sure if my assumption is correct or not. Is this a known issue of SQL server 2005?

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  • Set Icon in Button LWUIT Java ME

    - by Muhamad Burhanudin
    Please help me, to set icon button : /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package tajwed; import javax.microedition.midlet.*; import com.sun.lwuit.*; import com.sun.lwuit.animations.*; import com.sun.lwuit.events.*; import com.sun.lwuit.layouts.BoxLayout; import com.sun.lwuit.plaf.*; import java.io.IOException; import java.util.Hashtable; /** * @author Muhamad BUrhanudin */ public class tajwedMidlet extends MIDlet implements ActionListener{ Form mHomeForm; Form mAwayForm; Form mMenuTajwid; Command mExitCommand; Button btMenu; Button btNunSukun, btMimSukun, btNunTasjid; Button btLamtarif, btIdgham, btMaad, btRaa; Button btHelp; Button btExit; Command mBackCommand; public void startApp() { Display.init(this); installTheme(); createUI(); mHomeForm.show(); } public void pauseApp() { } public void destroyApp(boolean unconditional) { } public void actionPerformed(ActionEvent ae) { mAwayForm.setTransitionInAnimator( Transition3D.createCube(400, false)); mMenuTajwid.setTransitionInAnimator( Transition3D.createCube(400, false)); mMenuTajwid.setTransitionOutAnimator( Transition3D.createCube(400, true)); mAwayForm.setTransitionOutAnimator( Transition3D.createCube(400, true)); if ((ae.getSource()==btMenu)|| (ae.getSource()==btHelp)) { //mAwayForm.show(); if(ae.getSource()== btMenu) { mMenuTajwid.show(); } } else if (ae.getSource() == mBackCommand) { mHomeForm.show(); } else if ((ae.getCommand() == mExitCommand) || (ae.getSource()== btExit)) notifyDestroyed(); } private void installTheme() { UIManager uim = UIManager.getInstance(); Hashtable ht = new Hashtable(); ht.put("sel#" + Style.BG_COLOR, "ffffff"); ht.put(Style.BG_COLOR, "d5fff9"); ht.put(Style.FG_COLOR, "000000"); uim.setThemeProps(ht); } private void createUI() { // Set up screen for transitions. mAwayForm = new Form("Away"); mAwayForm.addComponent(new Label("Choose Back to return to the home screen.")); mMenuTajwid = new Form("MENU DASAR TAJWID"); // mMenuTajwid mMenuTajwid.setLayout(new BoxLayout(BoxLayout.Y_AXIS)); btNunSukun = new Button("Hukum Nun Sukun & Tanwin"); btNunSukun.addActionListener(this); mMenuTajwid.addComponent(btNunSukun); btMimSukun = new Button("Hukum Mim Sukun"); btMimSukun.addActionListener(this); mMenuTajwid.addComponent(btMimSukun); btNunTasjid = new Button("Hukum Nun Tasydid & Min Tasydid"); btNunTasjid.addActionListener(this); mMenuTajwid.addComponent(btNunTasjid); btLamtarif = new Button("Hukum Laam Ta'rief"); btLamtarif.addActionListener(this); mMenuTajwid.addComponent(btLamtarif); btIdgham = new Button("Idgham"); btIdgham.addActionListener(this); mMenuTajwid.addComponent(btIdgham); btMaad = new Button("Maad"); btMaad.addActionListener(this); mMenuTajwid.addComponent(btMaad); btRaa = new Button("Raa'"); btRaa.addActionListener(this); mMenuTajwid.addComponent(btRaa); mBackCommand = new Command("Back"); mMenuTajwid.addCommand(mBackCommand); mMenuTajwid.addCommandListener(this); // Use setCommandListener() with LWUIT 1.3 or earlier. // Set up main screen. mHomeForm = new Form("Java Mobile Learning"); mHomeForm.setLayout(new BoxLayout(BoxLayout.Y_AXIS)); btMenu = new Button("TAJWID LEARNING"); btMenu.addActionListener(this); mHomeForm.addComponent(btMenu); try { btHelp = new Button("HELP",Image.createImage("/help.ico")); btHelp.addActionListener(this); mHomeForm.addComponent(btHelp); } catch(IOException e) { } btExit = new Button("EXIT"); btExit.addActionListener(this); mHomeForm.addComponent(btExit); mExitCommand = new Command("Keluar"); mHomeForm.addCommand(mExitCommand); mHomeForm.addCommandListener(this); // Use setCommandListener() with LWUIT 1.3 or earlier. } }

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  • InApp Purchase on slow network

    - by Chandan Shetty SP
    My InApp purchase code works fine in normal network, but in very slow network(safari browser will take 5 min to load a webpage). I am not getting any delegates... - (void)requestDidFinish:(SKRequest *)request - (void)request:(SKRequest *)request didFailWithError:(NSError *)error - (void)productsRequest:(SKProductsRequest *)request didReceiveResponse:(SKProductsResponse *)response So my code blocks indefinetly because i am setting setUserInteractionEnabled to FALSE initially and setting it back to TRUE in the above delegates... [[[UIApplication sharedApplication]keyWindow]setUserInteractionEnabled:FALSE]; Is it possible to check the network status before creating "SKProductsRequest" or any better way to implement inApp Purchase? Thanks in advance,

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  • How can I prevent my Android app/service from being "killed" from a task manager?

    - by Don
    It is very important that my service stay running until someone with a password stops the service from my UI screen. My app runs great but it is designed to be turned on/off by parents (with a password) on their kids phones. I have managed to make everything work but the problem I'm having is that if the kid uses a task manager to kill my service then my app is useless. I would be grateful to anyone who knows a way to either 1) monitor the service and start it back up automatically if its "killed" or 2) prevent someone from being able to kill it except from the activity (administration screen) that launched the service. Or both? I'm sorry if I'm not very clear in describing the problem, I'm a beginner. I've made great progress so far but I am stuck at this last hurdle.

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  • [OpenGL] I'm having an issue to use GLshort for representing Vertex, and Normal.

    - by Xylopia
    As my project gets close to optimization stage, I notice that reducing Vertex Metadata could vastly improve the performance of 3D rendering. Eventually, I've dearly searched around and have found following advices from stackoverflow. Using GL_SHORT instead of GL_FLOAT in an OpenGL ES vertex array How do you represent a normal or texture coordinate using GLshorts? Advice on speeding up OpenGL ES 1.1 on the iPhone Simple experiments show that switching from "FLOAT" to "SHORT" for vertex and normal isn't tough, but what troubles me is when you're to scale back verticies to their original size (with glScalef), normals are multiplied by the reciprocal of the scale. Then how do you use "short" for both vertex and normal at the same time? I've been trying this and that for about a full day, but I could only go for "float vertex w/ byte normal" or "short vertex w/ float normal" so far. Your help would be truly appreciated.

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  • Does anyone know a better alternative to MS Excel's Solver?

    - by tundal45
    My company has to crunch a lot of data and part of the process involves running the solver and plotting a graph through resulting data points. Obviously there is a lot of copy and paste involved and the whole process is shaky, error prone and all round cluster-fudge. I was wondering if there was an alternative to the solver that can be used so that even if we have to use excel to plot the final graph, there will be a lot less data that needs to be copied and pasted back and forth. It would be great especially if the tool could be easily integrated into a .NET application but I am open to suggestions that may require a little bit of code-fu to get this to work. Thanks!

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  • -sizeWithFont Functions Differently on Device

    - by LucasTizma
    So I am seemingly encountering some strange behavior when using NSString's -sizeWithFont family of method calls depending on whether or not I'm invoking it on the iPhone Simulator or an actual device. Simply enough, when the receiver of the -sizeWithFont method call is nil, the resulting CGSize passed back on the Simulator is {0, 0}. However, on the device, it is the size of the bounding rectangle I specified in the method call. See the following log statements: Simulator: someString: (null) someStringSize: {0, 0} Device: someString: (null) someStringSize: {185, 3.40282e+38} The behavior on the Simulator is what I would expect. Not that this issue is difficult to circumvent, but 1) I'm a little confused why this family of functions would behave differently on the Simulator and an actual device, and 2) why does calling a method on a nil receiving return a particular result? Thanks for any pointers or insight you guys can provide! EDIT: I suppose I should mention that I'm building against the 3.1 SDK.

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