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• Ant fileset's "dir" missing from absolute path when using a mapper

  - by spaaarky21

  I've been trying to write an Ant task to "compile" Sass scripts in my project using the apply task but I kept getting a "No such file or directory" error. I thought it might have been caused by spaces in the buildpath so I went through the trouble of moving the project only to find that Ant seems to omitting the fileset's root directory when it returns the path. This is what the target looks like: <target name="sass-compile" depends="properties"> <apply executable="sass"> <srcfile /> <targetfile /> <fileset dir="${project.src.dir}" includes="**/*.scss" /> <globmapper from="*.scss" to="*.css" /> </apply> </target> To help troubleshoot, I switched the executable from sass to echo and I noticed that the mapper is transforming paths like this... /Users/me/Documents/Programming/workspace/Project/src/java/com/proj/web/page/template/Template.scss ...into this... /Users/me/Documents/Programming/workspace/Project/java/com/proj/web/page/template/Template.css Notice that the src directory is missing from the target file path. Am I seeing a bug here or is this somehow expected? I would love to know what's going on here. I have also tried using a regexpmapper, and a filtermapper with replacestring. The result is the same. I'm running Ant 1.7.1, which comes bundled with Eclipse Helios, which I'm running on a Mac. I also tried Ant 1.8 on both Mac and Linux. Nothing works. Does anyone have any ideas?

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• Simple way to repeat a String in java

  - by e5

  I'm looking for a simple commons method or operator that allows me to repeat some String n times. I know I could write this using a for loop, but I wish to avoid for loops whenever necessary and a simple direct method should exist somewhere. String str = "abc"; String repeated = str.repeat(3); repeated.equals("abcabcabc"); Related to: repeat string javascript Create NSString by repeating another string a given number of times Edited I try to avoid for loops when they are not completely necessary because: They add to the number of lines of code even if they are tucked away in another function. Someone reading my code has to figure out what I am doing in that for loop. Even if it is commented and has meaningful variables names, they still have to make sure it is not doing anything "clever". Programmers love to put clever things in for loops, even if I write it to "only do what it is intended to do", that does not preclude someone coming along and adding some additional clever "fix". They are very often easy to get wrong. For loops that involving indexes tend to generate off by one bugs. For loops often reuse the same variables, increasing the chance of really hard to find scoping bugs. For loops increase the number of places a bug hunter has to look.

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• Boost causes an invalid block while overloading new/delete operators

  - by user555746

  Hi, I have a problem which appears to a be an invalid memory block that happens during a Boost call to Boost:runtime:cla::parser::~parser. When that global delete is called on that object, C++ asserts on the memory block as an invalid: dbgdel.cpp(52): /* verify block type */ _ASSERTE(_BLOCK_TYPE_IS_VALID(pHead->nBlockUse)); An investigation I did revealed that the problem happened because of a global overloading of the new/delete operators. Those overloadings are placed in a separate DLL. I discovered that the problem happens only when that DLL is compiled in RELEASE while the main application is compiled in DEBUG. So I thought that the Release/Debug build flavors might have created a problem like this in Boost/CRT when overloading new/delete operators. So I then tried to explicitly call to _malloc_dbg and _free_dbg withing the overloading functions even in release mode, but it didn't solve the invalid heap block problem. Any idea what the root cause of the problem is? is that situation solvable? I should stress that the problem began only when I started to use Boost. Before that CRT never complained about any invalid memory block. So could it be an internal Boost bug? Thanks!

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• how do I make a portable isnan/isinf function.

  - by monkeyking

  I've been using isinf,isnan functions on linux platforms which worked perfectly. But this didn't work on osx, so I decided to use std::isinf std::isnan which works on both linux and osx. But the intel compiler doesn't recognize it, and I guess its a bug in the intel compiler according to http://software.intel.com/en-us/forums/showthread.php?t=64188 So now I just want to avoid the hassle and define my own isinf,isnan implementation. Does anyone know how this could be done Thanks edit: I ended up doing this in my sourcecode for making isinf/isnan working #include <iostream> #include <cmath> #ifdef __INTEL_COMPILER #include <mathimf.h> #endif int isnan_local(double x) { #ifdef __INTEL_COMPILER return isnan(x); #else return std::isnan(x); #endif } int isinf_local(double x) { #ifdef __INTEL_COMPILER return isinf(x); #else return std::isinf(x); #endif } int myChk(double a){ std::cerr<<"val is: "<<a <<"\t"; if(isnan_local(a)) std::cerr<<"program says isnan"; if(isinf_local(a)) std::cerr<<"program says isinf"; std::cerr<<"\n"; return 0; } int main(){ double a = 0; myChk(a); myChk(log(a)); myChk(-log(a)); myChk(0/log(a)); myChk(log(a)/log(a)); return 0; }

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• How to download .txt file from a url?

  - by Colin Roe

  I produced a text file and is saved to a location in the project folder. How do I redirect them to the url that contains that text file, so they can download the text file. CreateCSVFile creates the csv file to a file path based on a datatable. Calling: string pth = ("C:\\Work\\PG\\AI Handheld Website\\AI Handheld Website\\Reports\\Files\\report.txt"); CreateCSVFile(data, pth); And the function: public void CreateCSVFile(DataTable dt, string strFilePath) { StreamWriter sw = new StreamWriter(strFilePath, false); int iColCount = dt.Columns.Count; for (int i = 0; i < iColCount; i++) { sw.Write(dt.Columns[i]); if (i < iColCount - 1) { sw.Write(","); } } sw.Write(sw.NewLine); // Now write all the rows. foreach (DataRow dr in dt.Rows) { for (int i = 0; i < iColCount; i++) { if (!Convert.IsDBNull(dr[i])) { sw.Write(dr[i].ToString()); } if (i < iColCount - 1) { sw.Write(","); } } sw.Write(sw.NewLine); } sw.Close(); Response.WriteFile(strFilePath); FileInfo fileInfo = new FileInfo(strFilePath); if (fileInfo.Exists) { //Response.Clear(); //Response.AddHeader("Content-Disposition", "attachment; filename=" + fileInfo.Name); //Response.AddHeader("Content-Length", fileInfo.Length.ToString()); //Response.ContentType = "application/octet-stream"; //Response.Flush(); //Response.TransmitFile(fileInfo.FullName); } }

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• Best practice - When to evaluate conditionals of function execution

  - by Tesserex

  If I have a function called from a few places, and it requires some condition to be met for anything it does to execute, where should that condition be checked? In my case, it's for drawing - if the mouse button is held down, then execute the drawing logic (this is being done in the mouse movement handler for when you drag.) Option one says put it in the function so that it's guaranteed to be checked. Abstracted, if you will. public function Foo() { DoThing(); } private function DoThing() { if (!condition) return; // do stuff } The problem I have with this is that when reading the code of Foo, which may be far away from DoThing, it looks like a bug. The first thought is that the condition isn't being checked. Option two, then, is to check before calling. public function Foo() { if (condition) DoThing(); } This reads better, but now you have to worry about checking from everywhere you call it. Option three is to rename the function to be more descriptive. public function Foo() { DoThingOnlyIfCondition(); } private function DoThingOnlyIfCondition() { if (!condition) return; // do stuff } Is this the "correct" solution? Or is this going a bit too far? I feel like if everything were like this function names would start to duplicate their code. About this being subjective: of course it is, and there may not be a right answer, but I think it's still perfectly at home here. Getting advice from better programmers than I is the second best way to learn. Subjective questions are exactly the kind of thing Google can't answer.

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• BeautifulSoup can't parse a webpage?

  - by JLTChiu

  I am using beautiful soup for parsing webpage now, I've heard it's very famous and good, but it doesn't seems works properly. Here's what I did import urllib2 from bs4 import BeautifulSoup page = urllib2.urlopen("http://www.cnn.com/2012/10/14/us/skydiver-record-attempt/index.html?hpt=hp_t1") soup = BeautifulSoup(page) print soup.prettify() I think this is kind of straightforward. I open the webpage and pass it to the beautifulsoup. But here's what I got: Warning (from warnings module): File "C:\Python27\lib\site-packages\bs4\builder\_htmlparser.py", line 149 "Python's built-in HTMLParser cannot parse the given document. This is not a bug in Beautiful Soup. The best solution is to install an external parser (lxml or html5lib), and use Beautiful Soup with that parser. See http://www.crummy.com/software/BeautifulSoup/bs4/doc/#installing-a-parser for help.")) ... HTMLParseError: bad end tag: u'</"+"script>', at line 634, column 94 I thought CNN website should be well designed, so I am not very sure what's going on though. Does anyone has idea about this?

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• Can iPad/iPhone Touch Points be Wrong Due to Calibration?

  - by Kristopher Johnson

  I have an iPad application that uses the whole screen (that is, UIStatusBarHidden is set true in the Info.plist file). The main window's frame is set to (0, 0, 768, 1024), as is the main view in that frame. The main view has multitouch enabled. The view has code to handle touches: - (void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event { for (UITouch *touch in touches) { CGPoint location = [touch locationInView:nil]; NSLog(@"touchesMoved at location %@", NSStringFromCGPoint(location)); } } When I run the app in the simulator, it works pretty much as expected. As I move the mouse from one edge of the screen to the other, reported X values go from 0 to 767. Reported Y values go from 20 to 1023, but it is a known issue that the simulator doesn't report touches in the top 20 pixels of the screen, even when there is no status bar. Here's what's weird: When I run the app on an actual iPad, the X values go from 0 to 767 as expected, but reported Y values go from -6 to 1017. The fact that it seems to work properly on the simulator leads me to suspect that real devices' touchscreens are not perfectly calibrated, and mine is simply reporting values six pixels too low. Can anyone verify that this is the case? Otherwise, is there anything else that could account for the Y values being six pixels off from what I expect? (In a few days, I should have a second iPad, so I can test this with another device and compare the results.)

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• Issue in achartengine jar file

  - by Anshuman

  Actually i have created an app in which i have used achartengine to contruct graph. It was running ok, but today i saw an update for android SDK to r17. Once i upadated the sdk the app i had build started crash. In the logcat i show the following error report. Why this happen, is it because the jar file i have used is deprecated. 03-27 14:44:26.320: E/AndroidRuntime(4360): java.lang.NoClassDefFoundError: [Lorg.achartengine.chart.PointStyle; 03-27 14:44:26.320: E/AndroidRuntime(4360): at in.com.example.ChartEngineActivity.onCreate(ChartEngineActivity.java:58) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.access$1500(ActivityThread.java:117) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.os.Handler.dispatchMessage(Handler.java:99) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.os.Looper.loop(Looper.java:130) 03-27 14:44:26.320: E/AndroidRuntime(4360): at android.app.ActivityThread.main(ActivityThread.java:3683) 03-27 14:44:26.320: E/AndroidRuntime(4360): at java.lang.reflect.Method.invokeNative(Native Method) 03-27 14:44:26.320: E/AndroidRuntime(4360): at java.lang.reflect.Method.invoke(Method.java:507) 03-27 14:44:26.320: E/AndroidRuntime(4360): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839) 03-27 14:44:26.320: E/AndroidRuntime(4360): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597) 03-27 14:44:26.320: E/AndroidRuntime(4360): at dalvik.system.NativeStart.main(Native Method)

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• Adjust size of MPMediaPickerController's view ?

  - by Mr.Gando

  In my application I don't use the upper bar that displays Wi-Fi/Date/Time because it's a game. However I need to be able to let my user to pick his music, so I'm using a MPMediaPickerController. The problem is, that when I present my controller, the controller ends up leaving a 10 pixels ( aprox ) bar at the top of the screen, just in the place the Wi-Fi/Date/Time bar, should be present. Is there a way I could make my MPMediaPickerController bigger ? or to be presented upper in the screen ? // Configures and displays the media item picker. - (void) showMediaPicker: (id) sender { MPMediaPickerController *picker = [[MPMediaPickerController alloc] initWithMediaTypes: MPMediaTypeAnyAudio]; [[picker view] setFrame:CGRectMake(0, 0, 320, 480)]; picker.delegate = self; picker.allowsPickingMultipleItems = YES; picker.prompt = NSLocalizedString (@"AddSongsPrompt", @"Prompt to user to choose some songs to play"); [self presentModalViewController:picker animated: YES]; [picker release]; } There I tried to set the size to 320x480 but no luck, the picker is still presented and leaves a space in the upper part of the screen, could anyone help me ? Btw, here's how it looks: I have asked a bit, and people told me this could indeed be a bug, what do you guys think ?

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• .NET WebBrowser control with Adobe SVG Viewer

  I'm having problems with SVG files loading in a .NET 2.0 WebBrowser control. If I create a new WinForms application project, drag a WebBrowser control and a button onto the Form1.cs design surface, and add a line to the button's on-click handler to set the Url property of the WebBrowser control to an SVG file, I get two IE script errors at runtime (as in, the dialog you get when there is a Javascript problem). The only line of code I'm writing is therefore: webBrowser1.Url = new Uri(@"http://wiki.allegro.cc/pub/f/fb/Grozilla.svg"); This SVG file loads fine if I browse directly to the link with IE; the errors I get via my test app are: line 2, char 1, error: Invalid character, followed by line 1, char 1, error: Object expected (assuming I answer yes to the prompt to 'continue running scripts on this page'). I'm using IE 7.0.5730.13, Adobe SVG Viewer 3.03 build 94, Visual Studio 2008. Can anyone replicate this? Has anyone seen it/got any idea how to fix it? (edit: previously setting the URL in the constructor for the purposes of the example, but this raised the question of whether or not the control had finished initialising, so have changed the example to use a button - the problem still occurs. This bug originally appeared in production code so the example program I wrote was an attempt to isolate the issue and reproduce it as simply as possible.) (edit 2: having tested on several different machines, this problems seems to be related to IE7 - run IE6, and everything works fine.)

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• segfault during __cxa_allocate_exception in SWIG wrapped library

  - by lefticus

  While developing a SWIG wrapped C++ library for Ruby, we came across an unexplained crash during exception handling inside the C++ code. I'm not sure of the specific circumstances to recreate the issue, but it happened first during a call to std::uncaught_exception, then after a some code changes, moved to __cxa_allocate_exception during exception construction. Neither GDB nor valgrind provided any insight into the cause of the crash. I've found several references to similar problems, including: http://wiki.fifengine.de/Segfault_in_cxa_allocate_exception http://forums.fifengine.de/index.php?topic=30.0 http://code.google.com/p/osgswig/issues/detail?id=17 https://bugs.launchpad.net/ubuntu/+source/libavg/+bug/241808 The overriding theme seems to be a combination of circumstances: A C application is linked to more than one C++ library More than one version of libstdc++ was used during compilation Generally the second version of C++ used comes from a binary-only implementation of libGL The problem does not occur when linking your library with a C++ application, only with a C application The "solution" is to explicitly link your library with libstdc++ and possibly also with libGL, forcing the order of linking. After trying many combinations with my code, the only solution that I found that works is the LD_PRELOAD="libGL.so libstdc++.so.6" ruby scriptname option. That is, none of the compile-time linking solutions made any difference. My understanding of the issue is that the C++ runtime is not being properly initialized. By forcing the order of linking you bootstrap the initialization process and it works. The problem occurs only with C applications calling C++ libraries because the C application is not itself linking to libstdc++ and is not initializing the C++ runtime. Because using SWIG (or boost::python) is a common way of calling a C++ library from a C application, that is why SWIG often comes up when researching the problem. Is anyone out there able to give more insight into this problem? Is there an actual solution or do only workarounds exist? Thanks.

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• How do you obtain a formatted date and time for the current locale in C?

  - by jwaddell

  What C function should I call to obtain a formatted date and time for the locale where the program is being executed? I'm asking this question because I have run into a problem using the ClamAV daemon API. The VERSION command returns the date and time of the latest virus definitions, but the code uses a call to ctime to format it. As far as I can tell ctime does not format the datetime according to the current locale and uses the English abbreviations for days of the week and the month in the returned string. This causes problems as my Java program which uses the ClamAV API does respect the current locale and thus expects the day of the week and month name to have the local abbreviations. The datetime format would need to be in the same format as that produced by ctime: Www Mmm dd hh:mm:ss yyyy Where Www is the weekday, Mmm the month in letters, dd the day of the month, hh:mm:ss the time, and yyyy the year. I could rewrite the Java program to always assume English dates but I'd be happier to submit a patch to ClamAV as it seems like a bug on their side to me.

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• Using the Apple Scripting bridge with Mail to send an attachment causes the message background to go

  - by Naym

  Hello, When I use the Apple Scripting Bridge to send a message with an attachment the background of the message is set to black which is a problem because the text is also black. The code in question is: MailApplication *mail = [SBApplication applicationWithBundleIdentifier:@"com.apple.Mail"]; /* create a new outgoing message object */ MailOutgoingMessage *emailMessage = [[[mail classForScriptingClass:@"outgoing message"] alloc] initWithProperties: [NSDictionary dictionaryWithObjectsAndKeys: emailSubject, @"subject", [self composeEmailBody], @"content", nil]]; /* add the object to the mail app */ [[mail outgoingMessages] addObject: emailMessage]; /* set the sender, show the message */ emailMessage.sender = [NSString stringWithFormat:@"%@ <%@>",[[[mail accounts] objectAtIndex:playerOptions.mailAccount] fullName],[[[[mail accounts] objectAtIndex:playerOptions.mailAccount] emailAddresses] objectAtIndex:0]]; emailMessage.visible = YES; /* create a new recipient and add it to the recipients list */ MailToRecipient *theRecipient = [[[mail classForScriptingClass:@"to recipient"] alloc] initWithProperties: [NSDictionary dictionaryWithObjectsAndKeys: opponentEmail, @"address", nil]]; [emailMessage.toRecipients addObject: theRecipient]; /* add an attachment, if one was specified */ if ( [playerInfo.gameFile length] > 0 ) { /* create an attachment object */ MailAttachment *theAttachment = [[[mail classForScriptingClass:@"attachment"] alloc] initWithProperties: [NSDictionary dictionaryWithObjectsAndKeys: playerInfo.gameFile, @"fileName", nil]]; /* add it to the list of attachments */ [[emailMessage.content attachments] addObject: theAttachment]; } /* send the message */ [emailMessage send]; The actual change to the background colour occurs on the second last line, which is: [[emailMessage.content attachments] addObject: theAttachment]; The code sections above are essentially lifted from the SBSendMail example code from Apple. At this stage I've really only made the changes necessary to integrate with the data from my application. If I build and run the SBSendMail example after freshly downloading it from Apple the message background is also changed to black with execution of the same line. It does not appear to matter which type of file is attached, where it is located, or on which computer or operating system is used. This could be a bug in Apple's scripting bridge but has anyone come across this problem and found a solution? ALternatively does anyone know if the background colour of a MailOutgoingMessage instance can be changed with the scripting bridge? Thanks for any assistance with this, Naym.

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• jQuery UI + Gmaps = Problems (for me at least) HELP!!

  - by Luis

  Hi there! I started using jQuery as soon as I found out about it, it is very powerfull but I started struggling when I tried to load Gmaps api into the tabs jQuery UI brings. Strangly enough in IE 6,7,8 it works fine, but in Firefox, Safari (I'm using mac but tested it in windows and they both give the same problems) the map doesn't load entirely. When I click on the tab where the map loads in, only part of the map is fully operational, the rest is grey and not clickable. Please take a look at the link below and click the third tab in firefox/safari and IE and you will see the problem. http://movewithusoverseas.com/index-new.php?z=product-info.html&pid=1 I don't know if it is a bug in the jQuery UI code or I'm doing something wrong. If I load the map out of the tabs the map is shown OK. I'm fighting with this problem for a week and a half... any help will be much appreciated. Thanks in advance. Luis

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• EF Forced Concurrency Checks

  - by Imran

  Hi, I have an issue with EF 4.0 that I hope someone can help with. I currently have an entity that I want to update in a last in wins fashion (i.e. ignore concurrency checks and just overwrite whats in the db with what is submitted). It seems Entity Framework not only includes the primary key of the entity in the where clause of the generated sql, but also any foreign key fields. This is annoying as it means that I don't get true last in wins semantics and need to know what value the fk field had before the update or I get a concurrency exception. I am aware that this can be short circuited by including a foreign key field as well as the navigation property on the entity. I would like to avoid this if possible as it's not a very clean solution. I was just wondering if there was any other way to override this behaviour? It seems like more of a bug than a feature. I have no problem with ef doing concurrency checks if I instruct it to do so but not being able to bypass concurrency completely is a bit of a hindrance as there are many valid scenarios where this is not needed

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• Lookup site column not saving/storing metadata for Office 2007 documents?

  - by Greg Hurlman

  I'm having this issue on several server environments. We have a list at the site collection root. There is a site column created as a multi-value lookup on that list's Title field. This site column is used in document libraries in subsites as a required field. When we upload anything but an Office 2007 document, the user is presented with the document metadata fill-in screen (EditForm.aspx?Mode=Upload), the user fills in the appropriate data (including picking a value(s) for this lookup), and clicks "check in" - the document is checked in as expected, with the lookup field's value filled in. With an Office 2007 document, this fails. The user selected values for the lookup field do not ever make it to the server - no errors are thrown, but the field is not saved with the document. We have an event listener on these document libraries, and if we inspect the incoming SPListItem on the event listener method before a single line of our code has run, we see that the value for the lookup field is null. It smells like a SharePoint bug to me - but before I go calling Microsoft, has anyone seen this & worked around it? Edit: the only entry I see in the SP trace logs relating to the problem: CMS/Publishing/8ztg/Medium/Got List Item Version, but item was null

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• How much should the AppDelegate do?

  - by Rudiger

  I'm designing quite a large App and on startup it will create sessions with a few different servers. As they are creating a session which is used across all parts of the app its something I thought would be best in App Delegate. But the problem is I need the session progress to be represented on the screen. I plan to have a UIToolBar at the bottom of the main menu which I don't want to cover with the progress bar but cover the UIView above it.So the way I see it I could do it a few different ways. 1) Have the App Delegate establish the sessions and report the progress to the main menu class so it can represent it in the progress bar (will I have any issues doing this if the sessions are created in a separate thread?), 2) have the App delegate display the main menu (UIView with a bunch of buttons and UIToolBar) and have it track and display the progress (I have never displayed anything in the App Delegate but assume you can do this but its not recommended) or 3) have the App Delegate just push the main menu and have the mainMenu class create the sessions and display the progress bar. 4) I think the other way to do it is to create the sessions in a delegate class and have the delegate set to mainMenu rather than self (AppDelegate), although I've never used anything other then self so not sure if this will work or if I will be able to close the thread (through calling super maybe?) as its running in the AppDelegate rather than the delegate of the class. As I've kinda said before the sessions are being created in a class in a separate thread so it wont lock the UI and I think the best way is the first but am I going to have issues having it running in a separate thread, reporting back to the app delegate and then sending that message to the mainMenu view? I hope that all makes sense, let me know if you need any further clarification. Any information is appreciated Cheers,

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• Static library woes in iPhone 3.x with categories and C libraries

  - by hgpc

  I have a static library (let's call it S) that uses a category (NSData+Base64 from MGTwitterEngine) and a C library (MiniZip wrapped by ZipArchive). This static library is used in an iPhone 3.x project (let's call it A). To be able to use the MiniZip library I included its files in project A as well as the static library S. If not I get compilation errors. Project A works fine on the simulator. When I run it on the device, I get unrecognized selector errors when the category is used. As pointed out here, it seems there's a linker bug that affects categories in iPhone 3.x (http://stackoverflow.com/questions/1147676/categories-in-static-library-for-iphone-device-3-0). The workaround is to add -all_load to the Other Linker Flags of the project that references the static library. However, if I do this then I get duplicate symbol errors because I included the MiniZip libraries in project A. A workaround is to include the category files in project A as well. If I do this, project A works well in the device, but fails to build on the simulator because of duplicate symbol errors. How should I set up project A to make it work on the simulator and the device with the same configuration?

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• Why does a non-dynamically created iframe shim show, but a dynamically created one does not?

  - by Carter

  I have a custom control that is made up of a text field and the ajax control toolkit dateextender. In IE6 I'm hitting the z-index bug where the calendar is showing behind select boxes. If I have the shim sitting in the control, initially hidden, it seems to display fine when the calendar is shown, but when I try to dynamically create the shim on showing it doesn't appear. I've tried bgiframe and some examples I found on SO, no luck. Here is my javascript code currently... var dateEditorShim; function dateEditor_OnShown(dateControl, emptyEventArgs) { var shimWidth = dateControl._width; var shimHeight = dateControl._height; //var dateEditorShim; //dateEditorShim = document.getElementById(dateEditorShimId); dateEditorShim = document.createElement('iframe'); dateEditorShim.setAttribute('src', 'javascript:"";'); dateEditorShim.setAttribute('frameBorder', '0'); dateEditorShim.style.width = dateControl._popupDiv.offsetWidth; dateEditorShim.style.height = dateControl._popupDiv.offsetHeight; dateEditorShim.style.top = dateControl._popupDiv.style.top; dateEditorShim.style.left = dateControl._popupDiv.style.left; dateControl._popupDiv.style.zIndex = 999; dateEditorShim.style.zIndex = 998; dateEditorShim.style.display = "block"; } function dateEditor_OnHiding(dateControl, emptyEventArgs) { var shimWidth = 0; var shimHeight = 0; //var dateEditorShim; //dateEditorShim = document.getElementById(dateEditorShimId); dateEditorShim.style.width = 0; dateEditorShim.style.height = 0; dateEditorShim.style.top = 0; dateEditorShim.style.left = 0; dateEditorShim.style.display = "none"; } You'll notice I have a commented out bit of code that gets an iframe that is embedded into the page, as I said, in this case the iframe at least shows up, but when I dynamically create it like the code above currently, it doesn't. I'm trying to figure out why. Any ideas?

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• How to change default locale in BIRT

  - by zlajo

  Hi everybody, I am working with the BIRT reporting engine and my current task is to implement internationalization for reports. We are using the webviewer to generate and download pdf reports. There is a parameter (__locale) which allows me to specify the locale that should be used to generate a report. So far everything works fine. There is an additional requirement I have not been able to implement, though. Additionally to the locale which is set by the http parameter there should also be the possibility to specify some kind of fallback locale. Take the following example: There are two property-files common_en_US.properties and common_en_GB.properties. The first locale to be used should be en_GB (__locale=en_GB). Everything works fine if the common_en_GB.properties file exist. But I would also like to tell BIRT to use common_en_US.properties if the en_GB-file cannot be found, which does not work as expected. I tried to solve this by manually setting the Java default locale before executing BIRT because I thought that BIRT would use the Java mechanism to resolve localized strings. Unfortunately this attempt does not work. Is there a different way to do what I would like to do? Is it possible to do something like that at all? Thanks a lot! Johannes

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• System.out.println() does not operate in Akka actor

  - by faisal abdulai

  I am kind of baffled by this encointer. I am working an akka project that was created as a maven projecct and imported into eclipse using the mvn eclipse:eclipse command. the akka actor has the system println method just to make it easy to do read the functions and methods invoked. However any time I run the akka system, the println command does not print any thing to the eclipse console but I do not get any error messages. does any one have any idea about this. below is a code snippet. public class MasterActor extends UntypedActor { /** * */ ActorSystem system = ActorSystem.create("container"); ActorRef worker1; //public MasterActor(){} @Override public void onReceive(Object message) throws Exception { System.out.println(" Master Actor 5"); if(message instanceof GesturePoints) { //GesturePoints gp = (GesturePoints) message; System.out.println(" Master Actor 1"); try { worker1.tell(message, getSelf()); System.out.println(" Master Actor 2"); } catch (Exception e) { getSender().tell(new akka.actor.Status.Failure(e), getSelf()); throw e; } } else{ unhandled(message);} } public void preStart() { worker1 = getContext().actorFor("akka://[email protected]:2553/user/workerActor"); } } don't know whether it is a bug in eclipse. thank you.

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• Adding a decal using multitexturing on an iPhone

  - by Axis

  I'm trying to overlay one image on top of another onto a simple quad. I set my bottom image as texture unit 0, and then my top image (which has a variable alpha) as texture unit 1. Unit 2 has mode GL_DECAL, which means the bottom texture should show up when the alpha is 0, and the top texture should show when the alpha is 1. But, only the top texture shows up and the bottom one doesn't appear at all. It's just white where the bottom texture should show through. glGetError() doesn't report any problems. Any help is appreciated. Thanks! glVertexPointer(3, GL_FLOAT, 0, boxVertices); glEnableClientState(GL_VERTEX_ARRAY); glClientActiveTexture(GL_TEXTURE0); glEnableClientState(GL_TEXTURE_COORD_ARRAY); glTexCoordPointer(2, GL_FLOAT, 0, boxTextureCoords); glClientActiveTexture(GL_TEXTURE1); glEnableClientState(GL_TEXTURE_COORD_ARRAY); glTexCoordPointer(2, GL_FLOAT, 0, boxTextureCoords); glClientActiveTexture(GL_TEXTURE0); glEnable(GL_TEXTURE_2D); glClientActiveTexture(GL_TEXTURE1); glEnable(GL_TEXTURE_2D); glClientActiveTexture(GL_TEXTURE0); glBindTexture(GL_TEXTURE_2D, one.texture); glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); glClientActiveTexture(GL_TEXTURE1); glBindTexture(GL_TEXTURE_2D, two.texture); glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); glDrawArrays(GL_TRIANGLE_FAN, 0, 4);

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• Session cookie not being created in Rails, very rarely and frustratingly.

  - by James

  Hi everyone, This is an issue sporadically for very few users, however we haven't been able to replicate it. However I have now got a Chrome instance (Mac) which is reproducing the error (for some unknown reason), and I hope to not restart it until I have this nailed! Rails application, using memcached for session store. While the bug manifests in the _app_session_id cookie not being created, our javascript-generated cookie test and app-generated language cookies are being created successfully. This means that 422 / InvalidAuthToken errors are thrown for every form that is submitted by those afflicted - people can't log into the app. The error occurs across all browsers - had reports for IE7 and Firefox (which most users use). Switching to another browser often fixes the issue (though not always), and standard cache-cookie-clear tactics do not. So now that I have got Chrome open which is having the same issue - in development, staging and live environments (meaning http and https). All other browsers are fine. I've restarted the servers and restarted memcached. I don't really want to restart Chrome - in the risk that the issue does go away with that (having said that, it hasn't worked for users). I've been tcpdumping the requests - and although I'll keep digging, I'd love it if anyone had any suggestions, places to start looking, anything. This is really painful ;) Thanks!

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• Visual Studio 2010 / ASP.NET MVC / Publish

  - by SevenCentral

  I just did a clean install on Windows 7 x64 Professional with the final release of Visual Studio 2010 Premium. In order to duplicate what I'm experiencing do the following in: Create a new ASP.NET MVC 2 Web Application Right click the project and select Properties On the Web tab, select "Use Local IIS Web Server" Click on Create Virtual Directory Save all Unload the project Edit the project file Change MvcBuildViews to true Save all Reload project Right click the project and select Publish Choose the file system publish method Enter a target location Choose Delete all existing files Select Publish Right click the project Select Publish Each time I do the above I get the following errror: "It is an error to use a section registered as allowDefinition='MachineToApplication' beyond application level..." The error originates from obj\debug\package\packagetmp\web.config, relative to the project directory. I can repeat this all day long with any MVC 2 project I've built. In order to fix this problem, I need to set MvcBuildViews to false in the project file. That's not really an option. This wasn't a problem in Visual Studio 2008 and it seems to be an issue with the way the Publish command stages files beneath the project directory. Can anyone else duplicate this error? Is this a bug or by design? Is there a fix, workaround, etc...? Thanks.

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