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  • Building Android NDK Toolchain for x86 Android on Windows via Cygwin

    - by grrussel
    The Android SDK includes the Android NDK, which in turn contains a customised GCC based tool chain for Android on ARM processors; The question is how to build the NDK tool chain to run on Windows to target x86 Android? The tool chain is already setup to build on Windows (cygwin) targeting ARM; There are also existing pre-built (unofficial) NDKs for targeting x86, but these contain pre-built tools for x86 Linux, not Windows. The NDK contains a build-toolchain.sh script to rebuild its tool chain; the question is, what specifically needs done to get that to build a tool chain targeting Android x86?

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  • Invalid byte 1 of 1-byte UTF-8 sequence

    - by user275886
    I have a MyFaces Facelets application, where the page coding is a bit rugged. Anyway, it's developed with Eclipse and built with Ant, and kindof runs ok in Tomcat 2.0.26. So far so good. Now, I'd rather build with Maven, so I made a couple of pom-files, opened them in Netbeans and built, and now I have a war file that deploys ok. However, on any facelet page it barfs out with com.sun.org.apache.xerces.internal.impl.io.MalformedByteSequenceException: Invalid byte 1 of 1-byte UTF-8 sequence. at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.invalidByte(UTF8Reader.java:684) at com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(UTF8Reader.java:554) at com.sun.org.apache.xerces.internal.impl.XMLEntityScanner.load(XMLEntityScanner.java:1742) So, I've tried a lot of different things, and the application actually run simple pages without facelet stuff. But, everything runs if I just build with Ant instead ... So my question is: What's the most likely difference between an ant build and a maven build that may cause this? It also seems that even though I've configured for UTF-8 in Netbeans and pom-files, Netbeans eventually ends up reporting the facelet files as ISO-8859-1 after some editing. I've made sure that most central libs are of same version (especially xerces 2.3.0), I've added an encoding servlet filter that had no effect. And, I'd rather fix the maven build and keep the buggy pages, than the other way around ... it's my intention to introduce Naven, not fix buggy pages.

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  • Windows Vista/Win7 Privilege Problem: SeDebugPrivilege & OpenProcess

    - by KevenK
    Everything I've been able to find about escalating to the appropriate privileges for my needs has agreed with my current methods, but the problem exists. I'm hoping maybe someone has some Windows Vista/Win7 internals experience that might shine some light where there is only darkness. I'm sure this will get long, but please bare with me. Context: I'm working on an app that requires accessing the memory of other processes on the current machine. This, obviously, requires administrator rights. It also requires SeDebugPrivilege, which I believe myself to be acquiring correctly, although I question if more privileges aren't necessary and thus the cause of my problems. Code has so far worked successfully on all versions of Windows XP, and on my test Vista32 and Win7x64 environments. Process: Program will Always be run with Administrator Rights. This can be assumed throughout this post. Escalating the current process's Access Token to include SeDebugPrivilege rights. Using EnumProcesses to create a list of current PIDs on the system Opening a handle using OpenProcess with PROCESS_ALL_ACCESS access rights Using ReadProcessMemory to read the memory of the other process. Problem: Everything has been working fine during development and my personal testing (including Windows XP 32 & 64, Windows Vista 32, and Windows 7 x64). However, during a test deployment onto both Windows Vista(32-bit) and Windows 7(64-bit) machines of a colleague, there seems to be a privilege/rights problem with OpenProcess failing with a generic Access Denied error. This occurs both when running as a limited User (as would be expected) and also when run explicitly as Administrator (Right-click Run as Administrator and when run from an Administrator level command prompt). However, this problem has been unreproducible for myself in my test environment. I have witnessed the problem first hand, so I trust that the problem exists. The only difference that I can discern between the actual environment and my test environment is that the actual error is occurring when using a Domain Administrator account at the UAC prompt, whereas my tests (which work with no errors) use a local administrator account at the UAC prompt. It appears that although the credentials being used allow UAC to 'run as administrator', the process is still not obtaining the correct rights to be able to OpenProcess on another process. I am not familiar enough with the internals of Vista/Win7 to know what this might be, and I am hoping someone has an idea of what could be the cause. The Kicker: The person who has reported this error, and who's environment can regularly reproduce this bug, has a small application named along the lines of RunWithDebugEnabled which is a small bootstrap program which appears to escalate its own privileges and then launch the executable passed to it (thus inheriting the escalated privileges). When run with this program, using the same Domain Administrator credentials at UAC prompt, the program works correctly and is able to successfully call OpenProcess and operates as intended. So this is definitely a problem with acquiring the correct privileges, and it is known that the Domain Administrator account is an administrator account that should be able to access the correct rights. (Obviously obtaining this source code would be great, but I wouldn't be here if that were possible). Notes: As noted, the errors reported by the failed OpenProcess attempts are Access Denied. According to MSDN documentation of OpenProcess: If the caller has enabled the SeDebugPrivilege privilege, the requested access is granted regardless of the contents of the security descriptor. This leads me to believe that perhaps there is a problem under these conditions either with (1) Obtaining SeDebugPrivileges or (2) Requiring other privileges which have not been mentioned in any MSDN documentation, and which might differ between a Domain Administrator account and a Local Administrator account Sample Code: void sample() { ///////////////////////////////////////////////////////// // Note: Enabling SeDebugPrivilege adapted from sample // MSDN @ http://msdn.microsoft.com/en-us/library/aa446619%28VS.85%29.aspx // Enable SeDebugPrivilege HANDLE hToken = NULL; TOKEN_PRIVILEGES tokenPriv; LUID luidDebug; if(OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken) != FALSE) { if(LookupPrivilegeValue(NULL, SE_DEBUG_NAME, &luidDebug) != FALSE) { tokenPriv.PrivilegeCount = 1; tokenPriv.Privileges[0].Luid = luidDebug; tokenPriv.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED; if(AdjustTokenPrivileges(hToken, FALSE, &tokenPriv, 0, NULL, NULL) != FALSE) { // Always successful, even in the cases which lead to OpenProcess failure cout << "SUCCESSFULLY CHANGED TOKEN PRIVILEGES" << endl; } else { cout << "FAILED TO CHANGE TOKEN PRIVILEGES, CODE: " << GetLastError() << endl; } } } CloseHandle(hToken); // Enable SeDebugPrivilege ///////////////////////////////////////////////////////// vector<DWORD> pidList = getPIDs(); // Method that simply enumerates all current process IDs ///////////////////////////////////////////////////////// // Attempt to open processes for(int i = 0; i < pidList.size(); ++i) { HANDLE hProcess = NULL; hProcess = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pidList[i]); if(hProcess == NULL) { // Error is occurring here under the given conditions cout << "Error opening process PID(" << pidList[i] << "): " << GetLastError() << endl; } CloseHandle(hProcess); } // Attempt to open processes ///////////////////////////////////////////////////////// } Thanks! If anyone has some insight into what possible permissions/privileges/rights/etc that I may be missing to correctly open another process (Assuming the executable has been properly "Run as Administrator"ed) on Windows Vista and Windows 7 under the above conditions, it would be most greatly appreciated. I wouldn't be here if I weren't absolutely stumped, but I'm hopeful that once again the experience and knowledge of the group shines bright. I thank you for taking the time to read this wall of text. The good intentions alone are appreciated, thanks for being the type of person that makes SO so useful to all!

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  • Does Subversion have an analogue to VSS's links?

    - by bta
    I am migrating a Visual SourceSafe code repository to Subversion and I am running into a problem. Here is a simplified layout of our current source code tree (in VSS): project_root\ |-libs\ |-tools\ |-arch_1\ | |-include | |-source |-arch_2\ |-include |-source My problem is in our two arch_ folders. Each arch_ folder will be built for a different hardware architecture, but the contents of the two folders are practically identical. The files in arch_2 are merely VSS links to the files in arch_1, with only a small handful of exceptions. Work is generally checked into and out of the arch_1 folder, and the VSS links make sure that any code checked in here is updated in the arch_2 folder as well. Moving to Subversion, is there anything that will behave like VSS's links? That is, is there a way to have two files in separate folders magically associated with one another such that they will always be in sync with each other (changes to one will affect the other as well)? Note: I know the correct answer here is to fix the build system. The build system on this project was pieced together roughly a decade ago, back when our compiler/build system wasn't intelligent enough to compile the same folder full of source code for two different architectures. Thanks to make and updated compilers, we can re-write the build system to eliminate this dependency on two parallel source folders. However, this will take time that we don't have at the moment (we are losing our license to our VSS server and are being forced to migrate on rather short notice). I am hoping to find a Subversion solution to this problem because at the moment, our time would be much better spent making the migration run smoothly than re-writing the build system (which is next on my to-do list!). Thank you for your help!

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  • UIActivityIndicatorView is not display at the right time

    - by Alexandre
    I'm making a form that allows the user to enter datas in my IOS application. This form allows the user to enter a lot of repetive datas. So, sometimes, the process takes time and I would like to display a UIActivityIndicatorView during this process. Unfortunalty the spinner appears only one second or less at the end of the process, not at the beginning as expected. There is some code : - (void) manageSpinner{ spinner = [[UIActivityIndicatorView alloc] initWithActivityIndicatorStyle:UIActivityIndicatorViewStyleWhiteLarge]; [spinner setCenter:CGPointMake(self.view.bounds.size.width/2.0, self.view.bounds.size.height/2.0)]; // I do this becau I'm in landscape mode UIImageView *imageView = [[UIImageView alloc]initWithFrame:self.tableView.bounds]; UIImage *image = [UIImage imageNamed:@"dark_gradiant.jpg"]; [imageView setImage:image]; [imageView addSubview:spinner]; [self.tableView addSubview:imageView]; [spinner startAnimating]; } //On click save by the user - (IBAction)save:(id)sender{ //Collect information from the form myObject.name = nameTF.text; [...] if(informations OK[...]){ //Manage spinner [self manageSpinner]; //Add : this is the long process for (int i=0; i<nbRepeatChooseByUser; i++) { [myObject register]; } //Call the delegate that will dismiss the form [self.delegate theSaveButtonOnTheAddMyObjectTVCWasTapped:self]; } } The spinner is called before the adding method but it seems to be set up after the process. Thank you, Alexandre

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  • How to support 3-byte UTF-8 Characters in ANT

    - by efelton
    I am trying to support UTF-8 characters in my ANT script. As long as the character string are made up of 2-byte UTF-8 characters, such as: Lògìñ Ùsèr ÌÐ Then things work fine. When I use Unicode Han Character: ? Which, according to this site: http://www.fileformat.info/info/unicode/char/6211/index.htm Has a UTF-8 encoding of 0xE6 0x88 0x91 I can see in UltraEdit, my input properties file has the values "E6 88 91" all in a row, so I'm fairly confident that my input is correct. And When I open the same file in Notepad++ I can see all the characters correctly. Here is my Build Script: <?xml version="1.0" encoding="UTF-8" ?> <project name="utf8test" default="all" basedir="."> <target name="all"> <loadproperties encoding="UTF-8" srcfile="./apps.properties.all.txt" /> <echo>No encoding ${common.app.name}</echo> <echo encoding="UTF-8">UTF-8 ${common.app.name}</echo> <echo encoding="UnicodeLittle">UnicodeLittle ${common.app.name}</echo> <echo encoding="UnicodeLittleUnmarked">UnicodeLittleUnmarked ${common.app.name}</echo> <echo>${common.app.ServerName}</echo> <echo>${bb.vendor}</echo> <echo>No encoding ${common.app.UserIdText}</echo> <echo encoding="UTF-8">UTF-8 ${common.app.UserIdText}</echo> <echo encoding="UnicodeLittle">UnicodeLittle ${common.app.UserIdText}</echo> <echo encoding="UnicodeLittleUnmarked">UnicodeLittleUnmarked ${common.app.UserIdText}</echo> <echoproperties /> </target> </project> And here is my properties file: common.app=VrvPsLTst common.app.name=?? common.app.description=Pseudo Loc Test App for Build Script testing common.app.ServerName=http://Vèrìvò.com bb.vendor=Vèrìvò common.app.PasswordText=Pàsswòrð bb.override.list=MP_COPYRIGHTTEXT, "Çòpÿrìght 2012 Vèrívó Bùîlð TéàM" common.app.LoginButtonText=Lògìñ common.app.UserIdText=Ùsèr ÌÐ bb.SMSSuccess=Mèssàgéß Sùççêssfúllÿ Sëñt common.app.LoginScreenMessage=WèlçòMé Mêssàgë common.app.LoginProgressMessage=Àùthèñtìçàtíòñ îñ prógréss... ios.RegistrationText=Règìstràtíòñ Téxt ios.RegistrationURL=http://www.josscrowcroft.com/2011/code/utf-8-multibyte-characters-in-url-parameters-%E2%9C%93/ Here is what the output looks like: Buildfile: C:\Temp\utf8\build.xml all: [echo] No encoding ?? [echo] UTF-8 ?? [echo] ÿþU n i c o d e L i t t l e ? ? [echo] U n i c o d e L i t t l e U n m a r k e d ? ? [echo] http://Vèrìvò.com [echo] Vèrìvò [echo] No encoding Ùsèr ÌÐ [echo] UTF-8 Ùsèr ÃŒÃ? [echo] ÿþU n i c o d e L i t t l e Ù s è r Ì Ð [echo] U n i c o d e L i t t l e U n m a r k e d Ù s è r Ì Ð [echoproperties] #Ant properties [echoproperties] #Mon Jun 18 15:25:13 EDT 2012 [echoproperties] ant.core.lib=C\:\\ant\\lib\\ant.jar [echoproperties] ant.file=C\:\\Temp\\utf8\\build.xml [echoproperties] ant.file.type=file [echoproperties] ant.file.type.utf8test=file [echoproperties] ant.file.utf8test=C\:\\Temp\\utf8\\build.xml [echoproperties] ant.home=c\:\\ant\\bin\\.. [echoproperties] ant.java.version=1.6 [echoproperties] ant.library.dir=C\:\\ant\\lib [echoproperties] ant.project.default-target=all [echoproperties] ant.project.invoked-targets=all [echoproperties] ant.project.name=utf8test [echoproperties] ant.version=Apache Ant version 1.8.1 compiled on April 30 2010 [echoproperties] awt.toolkit=sun.awt.windows.WToolkit [echoproperties] basedir=C\:\\Temp\\utf8 [echoproperties] bb.SMSSuccess=M\u00E8ss\u00E0g\u00E9\u00DF S\u00F9\u00E7\u00E7\u00EAssf\u00FAll\u00FF S\u00EB\u00F1t [echoproperties] bb.override.list=MP_COPYRIGHTTEXT, "\u00C7\u00F2p\u00FFr\u00ECght 2012 V\u00E8r\u00EDv\u00F3 B\u00F9\u00EEl\u00F0 T\u00E9\u00E0?" [echoproperties] bb.vendor=V\u00E8r\u00ECv\u00F2 [echoproperties] common.app=VrvPsLTst [echoproperties] common.app.LoginButtonText=L\u00F2g\u00EC\u00F1 [echoproperties] common.app.LoginProgressMessage=\u00C0\u00F9th\u00E8\u00F1t\u00EC\u00E7\u00E0t\u00ED\u00F2\u00F1 \u00EE\u00F1 pr\u00F3gr\u00E9ss... [echoproperties] common.app.LoginScreenMessage=W\u00E8l\u00E7\u00F2?\u00E9 M\u00EAss\u00E0g\u00EB [echoproperties] common.app.PasswordText=P\u00E0ssw\u00F2r\u00F0 [echoproperties] common.app.ServerName=http\://V\u00E8r\u00ECv\u00F2.com [echoproperties] common.app.UserIdText=\u00D9s\u00E8r \u00CC\u00D0 [echoproperties] common.app.description=Pseudo Loc Test App for Build Script testing [echoproperties] common.app.name=?? [echoproperties] file.encoding=Cp1252 [echoproperties] file.encoding.pkg=sun.io [echoproperties] file.separator=\\ [echoproperties] ios.RegistrationText=R\u00E8g\u00ECstr\u00E0t\u00ED\u00F2\u00F1 T\u00E9xt [echoproperties] ios.RegistrationURL=http\://www.josscrowcroft.com/2011/code/utf-8-multibyte-characters-in-url-parameters-%E2%9C%93/ [echoproperties] java.awt.graphicsenv=sun.awt.Win32GraphicsEnvironment [echoproperties] java.awt.printerjob=sun.awt.windows.WPrinterJob [echoproperties] java.class.path=c\:\\ant\\bin\\..\\lib\\ant-launcher.jar;C\:\\Temp\\utf8\\.\\;C\:\\Program Files (x86)\\Java\\jre7\\lib\\ext\\QTJava.zip;C\:\\ant\\lib\\ant-antlr.jar;C\:\\ant\\lib\\ant-apache-bcel.jar;C\:\\ant\\lib\\ant-apache-bsf.jar;C\:\\ant\\lib\\ant-apache-log4j.jar;C\:\\ant\\lib\\ant-apache-oro.jar;C\:\\ant\\lib\\ant-apache-regexp.jar;C\:\\ant\\lib\\ant-apache-resolver.jar;C\:\\ant\\lib\\ant-apache-xalan2.jar;C\:\\ant\\lib\\ant-commons-logging.jar;C\:\\ant\\lib\\ant-commons-net.jar;C\:\\ant\\lib\\ant-contrib-1.0b3.jar;C\:\\ant\\lib\\ant-jai.jar;C\:\\ant\\lib\\ant-javamail.jar;C\:\\ant\\lib\\ant-jdepend.jar;C\:\\ant\\lib\\ant-jmf.jar;C\:\\ant\\lib\\ant-jsch.jar;C\:\\ant\\lib\\ant-junit.jar;C\:\\ant\\lib\\ant-launcher.jar;C\:\\ant\\lib\\ant-netrexx.jar;C\:\\ant\\lib\\ant-nodeps.jar;C\:\\ant\\lib\\ant-starteam.jar;C\:\\ant\\lib\\ant-stylebook.jar;C\:\\ant\\lib\\ant-swing.jar;C\:\\ant\\lib\\ant-testutil.jar;C\:\\ant\\lib\\ant-trax.jar;C\:\\ant\\lib\\ant-weblogic.jar;C\:\\ant\\lib\\ant.jar;C\:\\ant\\lib\\bb-ant-tools.jar;C\:\\ant\\lib\\xercesImpl.jar;C\:\\ant\\lib\\xml-apis.jar;C\:\\Program Files\\Java\\jre7\\lib\\tools.jar [echoproperties] java.class.version=51.0 [echoproperties] java.endorsed.dirs=C\:\\Program Files\\Java\\jre7\\lib\\endorsed [echoproperties] java.ext.dirs=C\:\\Program Files\\Java\\jre7\\lib\\ext;C\:\\Windows\\Sun\\Java\\lib\\ext [echoproperties] java.home=C\:\\Program Files\\Java\\jre7 [echoproperties] java.io.tmpdir=C\:\\Users\\efelton\\AppData\\Local\\Temp\\ [echoproperties] java.library.path=C\:\\Windows\\SYSTEM32;C\:\\Windows\\Sun\\Java\\bin;C\:\\Windows\\system32;C\:\\Windows;C\:\\Windows\\SYSTEM32;C\:\\Windows;C\:\\Windows\\SYSTEM32\\WBEM;C\:\\Windows\\SYSTEM32\\WINDOWSPOWERSHELL\\V1.0\\;C\:\\PROGRAM FILES\\INTEL\\WIFI\\BIN\\;C\:\\PROGRAM FILES\\COMMON FILES\\INTEL\\WIRELESSCOMMON\\;C\:\\PROGRAM FILES (X86)\\MICROSOFT SQL SERVER\\100\\TOOLS\\BINN\\;C\:\\PROGRAM FILES\\MICROSOFT SQL SERVER\\100\\TOOLS\\BINN\\;C\:\\PROGRAM FILES\\MICROSOFT SQL SERVER\\100\\DTS\\BINN\\;C\:\\PROGRAM FILES (X86)\\MICROSOFT SQL SERVER\\100\\TOOLS\\BINN\\VSSHELL\\COMMON7\\IDE\\;C\:\\PROGRAM FILES (X86)\\MICROSOFT SQL SERVER\\100\\DTS\\BINN\\;C\:\\Program Files\\ThinkPad\\Bluetooth Software\\;C\:\\Program Files\\ThinkPad\\Bluetooth Software\\syswow64;C\:\\Program Files (x86)\\QuickTime\\QTSystem\\;C\:\\Program Files (x86)\\AccuRev\\bin;C\:\\Program Files\\Java\\jdk1.7.0_04\\bin;C\:\\Program Files (x86)\\IDM Computer Solutions\\UltraEdit\\;. [echoproperties] java.runtime.name=Java(TM) SE Runtime Environment [echoproperties] java.runtime.version=1.7.0_04-b22 [echoproperties] java.specification.name=Java Platform API Specification [echoproperties] java.specification.vendor=Oracle Corporation [echoproperties] java.specification.version=1.7 [echoproperties] java.vendor=Oracle Corporation [echoproperties] java.vendor.url=http\://java.oracle.com/ [echoproperties] java.vendor.url.bug=http\://bugreport.sun.com/bugreport/ [echoproperties] java.version=1.7.0_04 [echoproperties] java.vm.info=mixed mode [echoproperties] java.vm.name=Java HotSpot(TM) 64-Bit Server VM [echoproperties] java.vm.specification.name=Java Virtual Machine Specification [echoproperties] java.vm.specification.vendor=Oracle Corporation [echoproperties] java.vm.specification.version=1.7 [echoproperties] java.vm.vendor=Oracle Corporation [echoproperties] java.vm.version=23.0-b21 [echoproperties] line.separator=\r\n [echoproperties] os.arch=amd64 [echoproperties] os.name=Windows 7 [echoproperties] os.version=6.1 [echoproperties] path.separator=; [echoproperties] sun.arch.data.model=64 [echoproperties] sun.boot.class.path=C\:\\Program Files\\Java\\jre7\\lib\\resources.jar;C\:\\Program Files\\Java\\jre7\\lib\\rt.jar;C\:\\Program Files\\Java\\jre7\\lib\\sunrsasign.jar;C\:\\Program Files\\Java\\jre7\\lib\\jsse.jar;C\:\\Program Files\\Java\\jre7\\lib\\jce.jar;C\:\\Program Files\\Java\\jre7\\lib\\charsets.jar;C\:\\Program Files\\Java\\jre7\\lib\\jfr.jar;C\:\\Program Files\\Java\\jre7\\classes [echoproperties] sun.boot.library.path=C\:\\Program Files\\Java\\jre7\\bin [echoproperties] sun.cpu.endian=little [echoproperties] sun.cpu.isalist=amd64 [echoproperties] sun.desktop=windows [echoproperties] sun.io.unicode.encoding=UnicodeLittle [echoproperties] sun.java.command=org.apache.tools.ant.launch.Launcher -cp .;C\:\\Program Files (x86)\\Java\\jre7\\lib\\ext\\QTJava.zip [echoproperties] sun.java.launcher=SUN_STANDARD [echoproperties] sun.jnu.encoding=Cp1252 [echoproperties] sun.management.compiler=HotSpot 64-Bit Tiered Compilers [echoproperties] sun.os.patch.level=Service Pack 1 [echoproperties] user.country=US [echoproperties] user.dir=C\:\\Temp\\utf8 [echoproperties] user.home=C\:\\Users\\efelton [echoproperties] user.language=en [echoproperties] user.name=efelton [echoproperties] user.script= [echoproperties] user.timezone= [echoproperties] user.variant= BUILD SUCCESSFUL Total time: 1 second Thank you for your help EDIT\UPDATE 6/19/2012 I am developing in a Windows environment. I have installed a TTF from: http://freedesktop.org/wiki/Software/CJKUnifonts/Download I have updated UltraEdit to use the TTF and I can see the Chinese characters. <?xml version="1.0" encoding="UTF-8" ?> <project name="utf8test" default="all" basedir="."> <target name="all"> <echo>??</echo> <echo encoding="ISO-8859-1">ISO-8859-1 ??</echo> <echo encoding="UTF-8">UTF-8 ??</echo> <echo file="echo_output.txt" append="true" >?? ${line.separator}</echo> <echo file="echo_output.txt" append="true" encoding="ISO-8859-1">ISO-8859-1 ?? ${line.separator}</echo> <echo file="echo_output.txt" append="true" encoding="UTF-8">UTF-8 ?? ${line.separator}</echo> <echo file="echo_output.txt" append="true" encoding="UnicodeLittle">UnicodeLittle ?? ${line.separator}</echo> <echo file="echo_output.txt" append="true" encoding="UnicodeLittleUnmarked">UnicodeLittleUnmarked ?? ${line.separator}</echo> </target> </project> The output captured by running inside UltraEdit is: Buildfile: E:\temp\utf8\build.xml all: [echo] ?? [echo] ISO-8859-1 ?? [echo] UTF-8 ?? BUILD SUCCESSFUL Total time: 1 second And the echo_output.txt file shows up like this: ?? ISO-8859-1 ?? UTF-8 ?? ÿþU n i c o d e L i t t l e ? ? U n i c o d e L i t t l e U n m a r k e d ? ? So there appears to be somehting fundamentally wrong with how my ANT environment is set up since I cannot simply echo the character to the screen or to a file.

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  • PHP SimpleXML recursive function to list children and attibutes

    - by Phill Pafford
    I need some help on the SimpleXML calls for a recursive function that lists the elements name and attributes. Making a XML config file system but each script will have it's own config file as well as a new naming convention. So what I need is an easy way to map out all the elements that have attributes, so like in example 1 I need a simple way to call all the processes but I don't know how to do this without hard coding the elements name is the function call. Is there a way to recursively call a function to match a child element name? I did see the xpath functionality but I don't see how to use this for attributes. Any ideas? Also does the XML in the examples look correct? can I structure my XML like this? Example 1: <application> <processes> <process id="123" name="run batch A" /> <process id="122" name="run batch B" /> <process id="129" name="run batch C" /> </processes> <connections> <databases> <database usr="test" pss="test" hst="test" dbn="test" /> </databases> <shells> <ssh usr="test" pss="test" hst="test-2" /> <ssh usr="test" pss="test" hst="test-1" /> </shells> </connections> </application> Example 2: <config> <queues> <queue id="1" name="test" /> <queue id="2" name="production" /> <queue id="3" name="error" /> </queues> </config> Pseudo code: // Would return matching process id getProcess($process_id) { return the process attributes as array that are in the XML } // Would return matching DBN (database name) getDatabase($database_name) { return the database attributes as array that are in the XML } // Would return matching SSH Host getSSHHost($ssh_host) { return the ssh attributes as array that are in the XML } // Would return matching SSH User getSSHUser($ssh_user) { return the ssh attributes as array that are in the XML } // Would return matching Queue getQueue($queue_id) { return the queue attributes as array that are in the XML } EDIT: Can I pass two parms? on the first method you have suggested @Gordon public function findProcessById($id, $name) { $attr = false; $el = $this->xml->xpath("//process[@id='$id']"); // How do I also filter by the name? if($el && count($el) === 1) { $attr = (array) $el[0]->attributes(); $attr = $attr['@attributes']; } return $attr; }

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  • Using PSExec from within CruiseControl .NET

    - by JayRu
    Hi All, I'm trying to call a PSExec task from CC.NET and running into some difficulties. Here's the CC project <project name="Test"> <tasks> <exec> <executable>C:\Utilities\psexec.exe</executable> <buildArgs>-u [UNAME] -p [PWD] "C:\Utilities\Joel.bat"</buildArgs> </exec> </tasks> </project> Here's the source of Joel.bat CLS @ECHO OFF What happens is that the first time I force the project to build, it runs successfully. The PSExec task is kicked off and the Joel.bat file is executed. I get some information in the build log about exit codes, but the task is successful. Here's the build log output. PsExec v1.97 - Execute processes remotely Copyright (C) 2001-2009 Mark Russinovich Sysinternals - www.sysinternals.com C:\Utilities\Joel.bat exited with error code 0. The second time I force the build I get the dreaded "The Application failed to initialize properly (0xc0000142)" error message. I can't ever run the build more than once More so, if I try to shut down the cruise control .net service from within the services MSC, it can't. It's like there's a lock somewhere that is taken and not released. The only way I can kill the service is by killing the ccservices.exe process. I've tried the exact same thing using an nant task and gotten the exact same results. It works the first time, and fails the second and I can't shutdown the process. I'm not sure if this is an issue with CC.NET or with PSEXEC (or me of course). Anybody got any ideas? I'm posting to the CC.NET forums as well. I'm using the latest and greatest of PSExec and 1.4.4 of CC.NET. Thx, Joel

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  • Configure TFS portal afterwards

    Update #1 January 8th, 2010: There is an updated post on this topic for Beta 2: http://www.ewaldhofman.nl/post/2009/12/10/Configure-TFS-portal-afterwards-Beta-2.aspx Update #2 October 10th, 2010: In the new Team Foundation Server Power Tools September 2010, there is now a command to create a portal. tfpt addprojectportal   Add or move portal for an existing team project Usage: tfpt addprojectportal /collection:uri                              /teamproject:"project name"                              /processtemplate:"template name"                              [/webapplication:"webappname"]                              [/relativepath:"pathfromwebapp"]                              [/validate]                              [/verbose] /collection Required. URL of Team Project Collection. /teamproject Required. Specifies the name of the team project. /processtemplate Required. Specifies that name of the process template. /webapplication The name of the SharePoint Web Application. Must also specify relativepath. /relativepath The path for the site relative to the root URL for the SharePoint Web Application. Must also specify webapplication. /validate Specifies that the user inputs are to be validated. If specified, only validation will be done and no portal setting will be changed. /verbose Switches on the verbose mode. I created a new Team Project in TFS 2010 Beta 1 and choose not to configure SharePoint during the creation of the Team Project. Of course I found out fairly quickly that a portal for TFS is very useful, especially the Iteration and the Product backlog workbooks and the dashboard reports. This blog describes how you can configure the sharepoint portal afterwards. Update: September 9th, 2009 Adding the portal afterwards is much easier as described below. Here are the steps Step 1: Create a new temporary project (with a SharePoint site for it). Open the Team Explorer Right click in the Team Explorer the root node (i.e. the project collection) Select "New team project" from the menu Walk throught he wizard and make sure you check the option to create the portal (which is by default checked) Step 2: Disable the site for the new project Open the Team Explorer Select the team project you created in step 1 In the menu click on Team -> Show Project Portal. In the menu click on Team -> Team Project Settings -> Portal Settings... The following dialog pops up Uncheck the option "Enable team project portal" Confirm the dialog with OK Step 3: Enable the site for the original one. Point it to the newly created site. Open the Team Explorer Select the team project you want to add the portal to In the menu open Team -> Team Project Settings -> Portal Settings... The same dialog as in step 2 pops up Check the option "Enable team project portal" Click on the "Configure URL" button The following dialog pops up   In the dialog select in the combobox of the web application the TFS server Enter in the Relative site path the text "sites/[Project Collection Name]/[Team Project Name created in step 1]" Confirm the "Specify an existing SharePoint Site" with OK Check the "Reports and dashboards refer to data for this team project" option Confirm the dialog "Project Portal Settings" with OK Step 4: Delete the temporary project you created. In Beta 1, I have found no way to delete a team project. Maybe it will be available in TFS 2010 Beta 2. Original post Step 1: Create new portal site Go to the sharepoint site of your project collection (/sites//default.aspx">/sites//default.aspx">http://<servername>/sites/<project_collection_name>/default.aspx) Click on the Site Actions at the left side of the screen and choose the option Site Settings In the site settings, choose the Sites and workspaces option Create a new site Enter the values for the Title, the description, the site address. And choose for the TFS2010 Agile Dashboard as template. Create the site, by clicking on the Create button Step 2: Integrate portal site with team project Open Visual Studio Open the Team Explorer (View -> Team Explorer) Select in the Team Explorer tool window the Team Project for which you are create a new portal Open the Project Portal Settings (Team -> Team Project Settings -> Portal Setings...) Check the Enable team project portal checkbox Click on Configure URL... You will get a new dialog as below Enter the url to the TFS server in the web application combobox And specify the relative site path: sites/<project collection>/<site name> Confirm with OK Check in the Project Portal Settings dialog the checkbox "Reports and dashboards refer to data for this team project" Confirm the settings with OK (this takes a while...) When you now browse to the portal, you will see that the dashboards are now showing up with the data for the current team project. Step 3: Download process template To get a copy of the documents that are default in a team project, we need to have a fresh set of files that are not attached to a team project yet. You can do that with the following steps. Start the Process Template Manager (Team -> Team Project Collection Settings -> Process Template Manager...) Choose the Agile process template and click on download Choose a folder to download Step 4: Add Product and Iteration backlog Go to the Team Explorer in Visual Studio Make sure the team project is in the list of team projects, and expand the team project Right click the Documents node, and choose New Document Library Enter "Shared Documents", and click on Add Right click the Shared Documents node and choose Upload Document Go the the file location where you stored the process template from step 3 and then navigate to the subdirectory "Agile Process Template 5.0\MSF for Agile Software Development v5.0\Windows SharePoint Services\Shared Documents\Project Management" Select in the Open Dialog the files "Iteration Backlog" and "Product Backlog", and click Open Step 5: Bind Iteration backlog workbook to the team project Right click on the "Iteration Backlog" file and select Edit, and confirm any warning messages Place your cursor in cell A1 of the Iteration backlog worksheet Switch to the Team ribbon and click New List. Select your Team Project and click Connect From the New List dialog, select the Iteration Backlog query in the Workbook Queries folder. The final step is to add a set of document properties that allow the workbook to communicate with the TFS reporting warehouse. Before we create the properties we need to collect some information about your project. The first piece of information comes from the table created in the previous step.  As you collect these properties, copy them into notepad so they can be used in later steps. Property How to retrieve the value? [Table name] Switch to the Design ribbon and select the Table Name value in the Properties portion of the ribbon [Project GUID] In the Visual Studio Team Explorer, right click your Team Project and select Properties.  Select the URL value and copy the GUID (long value with lots of characters) at the end of the URL [Team Project name] In the Properties dialog, select the Name field and copy the value [TFS server name] In the Properties dialog, select the Server Name field and copy the value [UPDATE] I have found that this is not correct: you need to specify the instance of your SQL Server. The value is used to create a connection to the TFS cube. Switch back to the Iteration Backlog workbook. Click the Office button and select Prepare – Properties. Click the Document Properties – Server drop down and select Advanced Properties. Switch to the Custom tab and add the following properties using the values you collected above. Variable name Value [Table name]_ASServerName [TFS server name] [Table name]_ASDatabase tfs_warehouse [Table name]_TeamProjectName [Team Project name] [Table name]_TeamProjectId [Project GUID] Click OK to close the properties dialog. It is possible that the Estimated Work (Hours) is showing the #REF! value. To resolve that change the formula with: =SUMIFS([Table name][Original Estimate]; [Table name][Iteration Path];CurrentIteration&"*";[Table name][Area Path];AreaPath&"*";[Table name][Work Item Type]; "Task") For example =SUMIFS(VSTS_ab392b55_6647_439a_bae4_8c66e908bc0d[Original Estimate]; VSTS_ab392b55_6647_439a_bae4_8c66e908bc0d[Iteration Path];CurrentIteration&"*";VSTS_ab392b55_6647_439a_bae4_8c66e908bc0d[Area Path];AreaPath&"*";VSTS_ab392b55_6647_439a_bae4_8c66e908bc0d[Work Item Type]; "Task") Also the Total Remaining Work in the Individual Capacity table may contain #REF! values. To resolve that change the formula with: =SUMIFS([Table name][Remaining Work]; [Table name][Iteration Path];CurrentIteration&"*";[Table name][Area Path];AreaPath&"*";[Table name][Assigned To];[Team Member];[Table name][Work Item Type]; "Task") For example =SUMIFS(VSTS_ab392b55_6647_439a_bae4_8c66e908bc0d[Remaining Work]; VSTS_ab392b55_6647_439a_bae4_8c66e908bc0d[Iteration Path];CurrentIteration&"*";VSTS_ab392b55_6647_439a_bae4_8c66e908bc0d[Area Path];AreaPath&"*";VSTS_ab392b55_6647_439a_bae4_8c66e908bc0d[Assigned To];[Team Member];VSTS_ab392b55_6647_439a_bae4_8c66e908bc0d[Work Item Type]; "Task") Save and close the workbook. Step 6: Bind Product backlog workbook to the team project Repeat the steps for binding the Iteration backlog for thiw workbook too. In the worksheet Capacity, the formula of the Storypoints might be missing. You can resolve it with: =IF([Iteration]="";"";SUMIFS([Table name][Story Points];[Table name][Iteration Path];[Iteration]&"*")) Example =IF([Iteration]="";"";SUMIFS(VSTS_487f1e4c_db30_4302_b5e8_bd80195bc2ec[Story Points];VSTS_487f1e4c_db30_4302_b5e8_bd80195bc2ec[Iteration Path];[Iteration]&"*"))

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  • Project compilation requires a class that is not used anywhere

    - by Susei
    When I build with ant my project that uses libgdx, I get a strange error. It says that a class com.google.gwt.dom.client.ImageElement is not found, but it isn't used at all in the code. How can I find what makes this class necessary? Even searching over the whole project doesn't give any results. It says that error is at PixmapTextureAtlas.java:16 (class source), but there is no code that uses that ImageElement class. Adding the library containing com.google.gwt.dom.client.ImageElement class helps, of course, but I'd like to figure out why this class in needed. Here is the place in ant log that tells of the actual error: Compiling 3 source files to /home/suseika/Projects/tendiwa/client/bin /home/suseika/Projects/tendiwa/client/src/org/tendiwa/client/PixmapTextureAtlas.java:16: error: cannot access ImageElement class file for com.google.gwt.dom.client.ImageElement not found Here is the whole ant log: /usr/lib/jvm/java-7-oracle/bin/java -Xmx128m -Xss2m -Dant.home=/opt/intellijidea/lib/ant -Dant.library.dir=/opt/intellijidea/lib/ant/lib -Dfile.encoding=UTF-8 -classpath /opt/intellijidea/lib/ant/lib/ant-apache-regexp.jar:/opt/intellijidea/lib/ant/lib/ant-swing.jar:/opt/intellijidea/lib/ant/lib/ant-apache-xalan2.jar:/opt/intellijidea/lib/ant/lib/ant-jdepend.jar:/opt/intellijidea/lib/ant/lib/ant-apache-resolver.jar:/opt/intellijidea/lib/ant/lib/ant-jsch.jar:/opt/intellijidea/lib/ant/lib/ant.jar:/opt/intellijidea/lib/ant/lib/ant-testutil.jar:/opt/intellijidea/lib/ant/lib/ant-launcher.jar:/opt/intellijidea/lib/ant/lib/ant-apache-bsf.jar:/opt/intellijidea/lib/ant/lib/ant-commons-logging.jar:/opt/intellijidea/lib/ant/lib/ant-netrexx.jar:/opt/intellijidea/lib/ant/lib/ant-junit.jar:/opt/intellijidea/lib/ant/lib/ant-commons-net.jar:/opt/intellijidea/lib/ant/lib/ant-apache-bcel.jar:/opt/intellijidea/lib/ant/lib/ant-antlr.jar:/opt/intellijidea/lib/ant/lib/ant-apache-log4j.jar:/opt/intellijidea/lib/ant/lib/ant-jai.jar:/opt/intellijidea/lib/ant/lib/ant-apache-oro.jar:/opt/intellijidea/lib/ant/lib/ant-jmf.jar:/opt/intellijidea/lib/ant/lib/ant-javamail.jar:/usr/lib/jvm/java-7-oracle/lib/tools.jar:/opt/intellijidea/lib/idea_rt.jar com.intellij.rt.ant.execution.AntMain2 -logger com.intellij.rt.ant.execution.IdeaAntLogger2 -inputhandler com.intellij.rt.ant.execution.IdeaInputHandler -buildfile /home/suseika/Projects/tendiwa/client/build.xml jar build.xml property path description compile ant property property property description compile mkdir javac jar ant property description _core_src_available available ontology antcall property description _core_src_available available _build_core ant property property compile echo /home/suseika/Projects/tendiwa/client mkdir javac jar jar Building jar: /home/suseika/Projects/tendiwa/MainModule.jar description tempfile mkdir Created dir: /tmp/tendiwa373148820 unjar Expanding: /home/suseika/Projects/tendiwa/MainModule.jar into /tmp/tendiwa373148820 Expanding: /home/suseika/Projects/tendiwa/tendiwa-backend.jar into /tmp/tendiwa373148820 Expanding: /home/suseika/Projects/tendiwa/tendiwa-ontology.jar into /tmp/tendiwa373148820 copy Copying 1 file to /tmp/tendiwa373148820 java Created item short_sword Created item short_bow Created item bucket Created item boot Created item steel_morningstar Created item rifle_ammo Created item handAxe Created item iron_armor Created item steel_mace Created item jacket Created item fedora Created item wooden_arrow Saving sources to /tmp/tendiwa373148820/ontology/src tendiwa/resources/SoundTypes.java tendiwa/resources/CharacterTypes.java tendiwa/resources/ObjectTypes.java tendiwa/resources/FloorTypes.java tendiwa/resources/ItemTypes.java tendiwa/resources/MaterialTypes.java mkdir mkdir mkdir Created dir: /tmp/tendiwa373148820/ontology/bin javac jar Building jar: /home/suseika/Projects/tendiwa/tendiwa-ontology.jar echo Resources source code generated ant property property compile echo /home/suseika/Projects/tendiwa/client mkdir javac jar jar jar Building jar: /home/suseika/Projects/tendiwa/MainModule.jar mkdir javac /home/suseika/Projects/tendiwa/client/build.xml:25: Compile failed; see the compiler error output for details. at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1150) at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:912) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:390) at org.apache.tools.ant.Target.performTasks(Target.java:411) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.Main.runBuild(Main.java:809) at org.apache.tools.ant.Main.startAnt(Main.java:217) at org.apache.tools.ant.Main.start(Main.java:180) at org.apache.tools.ant.Main.main(Main.java:268) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:30) /home/suseika/Projects/tendiwa/client/build.xml (25:46)'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds Compiling 3 source files to /home/suseika/Projects/tendiwa/client/bin /home/suseika/Projects/tendiwa/client/src/org/tendiwa/client/PixmapTextureAtlas.java:16: error: cannot access ImageElement class file for com.google.gwt.dom.client.ImageElement not found 1 error /home/suseika/Projects/tendiwa/client/build.xml:25: Compile failed; see the compiler error output for details. at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1150) at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:912) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:390) at org.apache.tools.ant.Target.performTasks(Target.java:411) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.Main.runBuild(Main.java:809) at org.apache.tools.ant.Main.startAnt(Main.java:217) at org.apache.tools.ant.Main.start(Main.java:180) at org.apache.tools.ant.Main.main(Main.java:268) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:30) /home/suseika/Projects/tendiwa/client/build.xml:25: Compile failed; see the compiler error output for details. at org.apache.tools.ant.taskdefs.Javac.compile(Javac.java:1150) at org.apache.tools.ant.taskdefs.Javac.execute(Javac.java:912) at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291) at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106) at org.apache.tools.ant.Task.perform(Task.java:348) at org.apache.tools.ant.Target.execute(Target.java:390) at org.apache.tools.ant.Target.performTasks(Target.java:411) at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399) at org.apache.tools.ant.Project.executeTarget(Project.java:1368) at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41) at org.apache.tools.ant.Project.executeTargets(Project.java:1251) at org.apache.tools.ant.Main.runBuild(Main.java:809) at org.apache.tools.ant.Main.startAnt(Main.java:217) at org.apache.tools.ant.Main.start(Main.java:180) at org.apache.tools.ant.Main.main(Main.java:268) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at com.intellij.rt.ant.execution.AntMain2.main(AntMain2.java:30) Ant build completed with 3 errors one warning in 4s at 10/30/13 3:09 AM Here is a part of ant file where this error appears: <path id="tendiwa.jars"> <fileset dir="../libs"> <include name="**/*.jar"/> </fileset> <pathelement path="../tendiwa-backend.jar"/> <pathelement path="../tendiwa-ontology.jar"/> <!--<fileset dir="/usr/share/java" includes="gwt*.jar"/>--> </path> <target name="compile"> <ant dir="../MainModule" target="jar"/> <mkdir dir="bin"/> <javac destdir="bin" failonerror="true"> <classpath> <path refid="tendiwa.jars"/> <!--temporary--> <pathelement path="../tendiwa-ontology.jar"/> <!--temporary--> <pathelement path="../MainModule.jar"/> <fileset dir="../libs" includes="**/*.jar"/> </classpath> <src> <pathelement path="Desktop/src"/> <pathelement path="src"/> </src> </javac> </target>

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  • C#: String Concatenation vs Format vs StringBuilder

    - by James Michael Hare
    I was looking through my groups’ C# coding standards the other day and there were a couple of legacy items in there that caught my eye.  They had been passed down from committee to committee so many times that no one even thought to second guess and try them for a long time.  It’s yet another example of how micro-optimizations can often get the best of us and cause us to write code that is not as maintainable as it could be for the sake of squeezing an extra ounce of performance out of our software. So the two standards in question were these, in paraphrase: Prefer StringBuilder or string.Format() to string concatenation. Prefer string.Equals() with case-insensitive option to string.ToUpper().Equals(). Now some of you may already know what my results are going to show, as these items have been compared before on many blogs, but I think it’s always worth repeating and trying these yourself.  So let’s dig in. The first test was a pretty standard one.  When concattenating strings, what is the best choice: StringBuilder, string concattenation, or string.Format()? So before we being I read in a number of iterations from the console and a length of each string to generate.  Then I generate that many random strings of the given length and an array to hold the results.  Why am I so keen to keep the results?  Because I want to be able to snapshot the memory and don’t want garbage collection to collect the strings, hence the array to keep hold of them.  I also didn’t want the random strings to be part of the allocation, so I pre-allocate them and the array up front before the snapshot.  So in the code snippets below: num – Number of iterations. strings – Array of randomly generated strings. results – Array to hold the results of the concatenation tests. timer – A System.Diagnostics.Stopwatch() instance to time code execution. start – Beginning memory size. stop – Ending memory size. after – Memory size after final GC. So first, let’s look at the concatenation loop: 1: // build num strings using concattenation. 2: for (int i = 0; i < num; i++) 3: { 4: results[i] = "This is test #" + i + " with a result of " + strings[i]; 5: } Pretty standard, right?  Next for string.Format(): 1: // build strings using string.Format() 2: for (int i = 0; i < num; i++) 3: { 4: results[i] = string.Format("This is test #{0} with a result of {1}", i, strings[i]); 5: }   Finally, StringBuilder: 1: // build strings using StringBuilder 2: for (int i = 0; i < num; i++) 3: { 4: var builder = new StringBuilder(); 5: builder.Append("This is test #"); 6: builder.Append(i); 7: builder.Append(" with a result of "); 8: builder.Append(strings[i]); 9: results[i] = builder.ToString(); 10: } So I take each of these loops, and time them by using a block like this: 1: // get the total amount of memory used, true tells it to run GC first. 2: start = System.GC.GetTotalMemory(true); 3:  4: // restart the timer 5: timer.Reset(); 6: timer.Start(); 7:  8: // *** code to time and measure goes here. *** 9:  10: // get the current amount of memory, stop the timer, then get memory after GC. 11: stop = System.GC.GetTotalMemory(false); 12: timer.Stop(); 13: other = System.GC.GetTotalMemory(true); So let’s look at what happens when I run each of these blocks through the timer and memory check at 500,000 iterations: 1: Operator + - Time: 547, Memory: 56104540/55595960 - 500000 2: string.Format() - Time: 749, Memory: 57295812/55595960 - 500000 3: StringBuilder - Time: 608, Memory: 55312888/55595960 – 500000   Egad!  string.Format brings up the rear and + triumphs, well, at least in terms of speed.  The concat burns more memory than StringBuilder but less than string.Format().  This shows two main things: StringBuilder is not always the panacea many think it is. The difference between any of the three is miniscule! The second point is extremely important!  You will often here people who will grasp at results and say, “look, operator + is 10% faster than StringBuilder so always use StringBuilder.”  Statements like this are a disservice and often misleading.  For example, if I had a good guess at what the size of the string would be, I could have preallocated my StringBuffer like so:   1: for (int i = 0; i < num; i++) 2: { 3: // pre-declare StringBuilder to have 100 char buffer. 4: var builder = new StringBuilder(100); 5: builder.Append("This is test #"); 6: builder.Append(i); 7: builder.Append(" with a result of "); 8: builder.Append(strings[i]); 9: results[i] = builder.ToString(); 10: }   Now let’s look at the times: 1: Operator + - Time: 551, Memory: 56104412/55595960 - 500000 2: string.Format() - Time: 753, Memory: 57296484/55595960 - 500000 3: StringBuilder - Time: 525, Memory: 59779156/55595960 - 500000   Whoa!  All of the sudden StringBuilder is back on top again!  But notice, it takes more memory now.  This makes perfect sense if you examine the IL behind the scenes.  Whenever you do a string concat (+) in your code, it examines the lengths of the arguments and creates a StringBuilder behind the scenes of the appropriate size for you. But even IF we know the approximate size of our StringBuilder, look how much less readable it is!  That’s why I feel you should always take into account both readability and performance.  After all, consider all these timings are over 500,000 iterations.   That’s at best  0.0004 ms difference per call which is neglidgable at best.  The key is to pick the best tool for the job.  What do I mean?  Consider these awesome words of wisdom: Concatenate (+) is best at concatenating.  StringBuilder is best when you need to building. Format is best at formatting. Totally Earth-shattering, right!  But if you consider it carefully, it actually has a lot of beauty in it’s simplicity.  Remember, there is no magic bullet.  If one of these always beat the others we’d only have one and not three choices. The fact is, the concattenation operator (+) has been optimized for speed and looks the cleanest for joining together a known set of strings in the simplest manner possible. StringBuilder, on the other hand, excels when you need to build a string of inderterminant length.  Use it in those times when you are looping till you hit a stop condition and building a result and it won’t steer you wrong. String.Format seems to be the looser from the stats, but consider which of these is more readable.  Yes, ignore the fact that you could do this with ToString() on a DateTime.  1: // build a date via concatenation 2: var date1 = (month < 10 ? string.Empty : "0") + month + '/' 3: + (day < 10 ? string.Empty : "0") + '/' + year; 4:  5: // build a date via string builder 6: var builder = new StringBuilder(10); 7: if (month < 10) builder.Append('0'); 8: builder.Append(month); 9: builder.Append('/'); 10: if (day < 10) builder.Append('0'); 11: builder.Append(day); 12: builder.Append('/'); 13: builder.Append(year); 14: var date2 = builder.ToString(); 15:  16: // build a date via string.Format 17: var date3 = string.Format("{0:00}/{1:00}/{2:0000}", month, day, year); 18:  So the strength in string.Format is that it makes constructing a formatted string easy to read.  Yes, it’s slower, but look at how much more elegant it is to do zero-padding and anything else string.Format does. So my lesson is, don’t look for the silver bullet!  Choose the best tool.  Micro-optimization almost always bites you in the end because you’re sacrificing readability for performance, which is almost exactly the wrong choice 90% of the time. I love the rules of optimization.  They’ve been stated before in many forms, but here’s how I always remember them: For Beginners: Do not optimize. For Experts: Do not optimize yet. It’s so true.  Most of the time on today’s modern hardware, a micro-second optimization at the sake of readability will net you nothing because it won’t be your bottleneck.  Code for readability, choose the best tool for the job which will usually be the most readable and maintainable as well.  Then, and only then, if you need that extra performance boost after profiling your code and exhausting all other options… then you can start to think about optimizing.

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  • MonoTouch App Crashes When Returning From MFMailComposeViewController

    - by Richard Khan
    My MonoTouch Version Info: Release ID: 20401003 Git revision: 2f1746af36f421d262dcd2b0542ce86b12158f02 Build date: 2010-12-23 23:13:38+0000 The MFMailComposeViewController is displayed and works correctly as a dialog using the following code: if (MFMailComposeViewController.CanSendMail) { MFMailComposeViewController mail; mail = new MFMailComposeViewController (); mail.SetSubject ("Subject Test"); mail.SetMessageBody ("Body Test", false); mail.Finished += HandleMailFinished; this.navigationController.PresentModalViewController (mail, true); } else { new UIAlertView ("Mail Failed", "Mail Failed", null, "OK", null).Show (); } However, once the user selects Cancel | Delete Draft or Cancel | Save Draft or Send, the App throws a run-time error like the following: Stacktrace: at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication.UIApplicationMain (int,string[],intptr,intptr) <0x00004 at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication.UIApplicationMain (int,string[],intptr,intptr) <0x00004 at MonoTouch.UIKit.UIApplication.Main (string[],string,string) [0x00038] in /Users/plasma/Source/iphone/monotouch/UIKit/UIApplication.cs:26 at MonoTouch.UIKit.UIApplication.Main (string[]) [0x00000] in /Users/plasma/Source/iphone/monotouch/UIKit/UIApplication.cs:31 at MailDialog.Application.Main (string[]) [0x00000] in /Users/rrkhan/Projects/Sandbox/MailDialog/Main.cs:15 at (wrapper runtime-invoke) .runtime_invoke_void_object (object,intptr,intptr,intptr) Native stacktrace: 0 MailDialog 0x000be66f mono_handle_native_sigsegv + 343 1 MailDialog 0x0000e43e mono_sigsegv_signal_handler + 313 2 libSystem.B.dylib 0x903e946b _sigtramp + 43 3 ??? 0xffffffff 0x0 + 4294967295 4 MessageUI 0x01a9f6b7 -[MFMailComposeController _close] + 284 5 UIKit 0x01f682f1 -[UIActionSheet(Private) _buttonClicked:] + 258 6 UIKit 0x01be1a6e -[UIApplication sendAction:to:from:forEvent:] + 119 7 UIKit 0x01c701b5 -[UIControl sendAction:to:forEvent:] + 67 8 UIKit 0x01c72647 -[UIControl(Internal) _sendActionsForEvents:withEvent:] + 527 9 UIKit 0x01c711f4 -[UIControl touchesEnded:withEvent:] + 458 10 UIKit 0x01c060d1 -[UIWindow _sendTouchesForEvent:] + 567 11 UIKit 0x01be737a -[UIApplication sendEvent:] + 447 12 UIKit 0x01bec732 _UIApplicationHandleEvent + 7576 13 GraphicsServices 0x03eb7a36 PurpleEventCallback + 1550 14 CoreFoundation 0x00df9064 CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION + 52 15 CoreFoundation 0x00d596f7 __CFRunLoopDoSource1 + 215 16 CoreFoundation 0x00d56983 __CFRunLoopRun + 979 17 CoreFoundation 0x00d56240 CFRunLoopRunSpecific + 208 18 CoreFoundation 0x00d56161 CFRunLoopRunInMode + 97 19 GraphicsServices 0x03eb6268 GSEventRunModal + 217 20 GraphicsServices 0x03eb632d GSEventRun + 115 21 UIKit 0x01bf042e UIApplicationMain + 1160 22 ??? 0x0a1e4bd9 0x0 + 169757657 23 ??? 0x0a1e4b12 0x0 + 169757458 24 ??? 0x0a1e4515 0x0 + 169755925 25 ??? 0x0a1e4451 0x0 + 169755729 26 ??? 0x0a1e44ac 0x0 + 169755820 27 MailDialog 0x0000e202 mono_jit_runtime_invoke + 1360 28 MailDialog 0x001c92af mono_runtime_invoke + 137 29 MailDialog 0x001caf6b mono_runtime_exec_main + 714 30 MailDialog 0x001ca891 mono_runtime_run_main + 812 31 MailDialog 0x00094fe8 mono_jit_exec + 200 32 MailDialog 0x0027cf05 main + 3494 33 MailDialog 0x00002ca1 _start + 208 34 MailDialog 0x00002bd0 start + 40 Debug info from gdb: warning: Could not find object file "/var/folders/Ny/NyElTwhDGD8kZMqIEeLGXE+++TI/-Tmp-//cc6F1tBs.o" - no debug information available for "template.m". warning: .o file "/Developer/MonoTouch/SDKs/MonoTouch.iphonesimulator4.2.sdk/usr/lib/libmonotouch.a(zlib-helper.x86.42.o)" more recent than executable timestamp in "/Users/rrkhan/Library/Application Support/iPhone Simulator/4.2/Applications/52AF1D24-AADA-48ED-B373-ED08E89E4985/MailDialog.app/MailDialog" warning: Could not open OSO file /Developer/MonoTouch/SDKs/MonoTouch.iphonesimulator4.2.sdk/usr/lib/libmonotouch.a(zlib-helper.x86.42.o) to scan for pubtypes for objfile /Users/rrkhan/Library/Application Support/iPhone Simulator/4.2/Applications/52AF1D24-AADA-48ED-B373-ED08E89E4985/MailDialog.app/MailDialog warning: .o file "/Developer/MonoTouch/SDKs/MonoTouch.iphonesimulator4.2.sdk/usr/lib/libmonotouch.a(monotouch-glue.x86.42.o)" more recent than executable timestamp in "/Users/rrkhan/Library/Application Support/iPhone Simulator/4.2/Applications/52AF1D24-AADA-48ED-B373-ED08E89E4985/MailDialog.app/MailDialog" warning: Could not open OSO file /Developer/MonoTouch/SDKs/MonoTouch.iphonesimulator4.2.sdk/usr/lib/libmonotouch.a(monotouch-glue.x86.42.o) to scan for pubtypes for objfile /Users/rrkhan/Library/Application Support/iPhone Simulator/4.2/Applications/52AF1D24-AADA-48ED-B373-ED08E89E4985/MailDialog.app/MailDialog warning: .o file "/Developer/MonoTouch/SDKs/MonoTouch.iphonesimulator4.2.sdk/usr/lib/libmonotouch.a(gc.x86.42.o)" more recent than executable timestamp in "/Users/rrkhan/Library/Application Support/iPhone Simulator/4.2/Applications/52AF1D24-AADA-48ED-B373-ED08E89E4985/MailDialog.app/MailDialog" warning: Could not open OSO file /Developer/MonoTouch/SDKs/MonoTouch.iphonesimulator4.2.sdk/usr/lib/libmonotouch.a(gc.x86.42.o) to scan for pubtypes for objfile /Users/rrkhan/Library/Application Support/iPhone Simulator/4.2/Applications/52AF1D24-AADA-48ED-B373-ED08E89E4985/MailDialog.app/MailDialog Error connecting stdout and stderr (127.0.0.1:10001) warning: .o file "/Developer/MonoTouch/SDKs/MonoTouch.iphonesimulator4.2.sdk/usr/lib/libmonotouch.a(monotouch-glue.x86.42.o)" more recent than executable timestamp in "/Users/rrkhan/Library/Application Support/iPhone Simulator/4.2/Applications/52AF1D24-AADA-48ED-B373-ED08E89E4985/MailDialog.app/MailDialog" warning: Couldn't open object file '/Developer/MonoTouch/SDKs/MonoTouch.iphonesimulator4.2.sdk/usr/lib/libmonotouch.a(monotouch-glue.x86.42.o)' Attaching to process 9992. Reading symbols for shared libraries . done Reading symbols for shared libraries ....................................................................................................................... done 0x9038e459 in read$UNIX2003 () 8 0x903a8a12 in __workq_kernreturn () 7 "WebThread" 0x903830fa in mach_msg_trap () 6 0x903b10a6 in __semwait_signal () 5 0x90383136 in semaphore_wait_trap () 4 0x903830fa in mach_msg_trap () 3 0x903a8a12 in __workq_kernreturn () 2 "com.apple.libdispatch-manager" 0x903a9982 in kevent () * 1 "com.apple.main-thread" 0x9038e459 in read$UNIX2003 () Thread 8 (process 9992): 0 0x903a8a12 in __workq_kernreturn () 1 0x903a8fa8 in _pthread_wqthread () 2 0x903a8bc6 in start_wqthread () Thread 7 (process 9992): 0 0x903830fa in mach_msg_trap () 1 0x90383867 in mach_msg () 2 0x00df94a6 in __CFRunLoopServiceMachPort () 3 0x00d56874 in __CFRunLoopRun () 4 0x00d56240 in CFRunLoopRunSpecific () 5 0x00d56161 in CFRunLoopRunInMode () 6 0x04f7c423 in RunWebThread () 7 0x903b085d in _pthread_start () 8 0x903b06e2 in thread_start () Thread 6 (process 9992): 0 0x903b10a6 in __semwait_signal () 1 0x903dcee5 in nanosleep$UNIX2003 () 2 0x903dce23 in usleep$UNIX2003 () 3 0x0027714c in monotouch_pump_gc () 4 0x903b085d in _pthread_start () 5 0x903b06e2 in thread_start () Thread 5 (process 9992): 0 0x90383136 in semaphore_wait_trap () 1 0x0015ae1d in finalizer_thread (unused=0x0) at ../../../../mono/metadata/gc.c:1026 2 0x002034a3 in start_wrapper (data=0x7b16ba0) at ../../../../mono/metadata/threads.c:661 3 0x002448e2 in thread_start_routine (args=0x8037e34) at ../../../../mono/io-layer/wthreads.c:286 4 0x00274357 in GC_start_routine (arg=0x6ff7f60) at ../../../libgc/pthread_support.c:1390 5 0x903b085d in _pthread_start () 6 0x903b06e2 in thread_start () Thread 4 (process 9992): 0 0x903830fa in mach_msg_trap () 1 0x90383867 in mach_msg () 2 0x0011cc46 in mach_exception_thread (arg=0x0) at ../../../../mono/mini/mini-darwin.c:138 3 0x903b085d in _pthread_start () 4 0x903b06e2 in thread_start () Thread 3 (process 9992): 0 0x903a8a12 in __workq_kernreturn () 1 0x903a8fa8 in _pthread_wqthread () 2 0x903a8bc6 in start_wqthread () Thread 2 (process 9992): 0 0x903a9982 in kevent () 1 0x903aa09c in _dispatch_mgr_invoke () 2 0x903a9559 in _dispatch_queue_invoke () 3 0x903a92fe in _dispatch_worker_thread2 () 4 0x903a8d81 in _pthread_wqthread () 5 0x903a8bc6 in start_wqthread () Thread 1 (process 9992): 0 0x9038e459 in read$UNIX2003 () 1 0x000be81f in mono_handle_native_sigsegv (signal=11, ctx=0xbfffd238) at ../../../../mono/mini/mini-exceptions.c:1826 2 0x0000e43e in mono_sigsegv_signal_handler (_dummy=10, info=0xbfffd1f8, context=0xbfffd238) at ../../../../mono/mini/mini.c:4846 3 4 0x028d6a63 in objc_msgSend () 5 0x01ad469f in func.24012 () 6 0x01a9f6b7 in -[MFMailComposeController _close] () 7 0x01f682f1 in -[UIActionSheet(Private) _buttonClicked:] () 8 0x01be1a6e in -[UIApplication sendAction:to:from:forEvent:] () 9 0x01c701b5 in -[UIControl sendAction:to:forEvent:] () 10 0x01c72647 in -[UIControl(Internal) _sendActionsForEvents:withEvent:] () 11 0x01c711f4 in -[UIControl touchesEnded:withEvent:] () 12 0x01c060d1 in -[UIWindow _sendTouchesForEvent:] () 13 0x01be737a in -[UIApplication sendEvent:] () 14 0x01bec732 in _UIApplicationHandleEvent () 15 0x03eb7a36 in PurpleEventCallback () 16 0x00df9064 in CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION () 17 0x00d596f7 in __CFRunLoopDoSource1 () 18 0x00d56983 in __CFRunLoopRun () 19 0x00d56240 in CFRunLoopRunSpecific () 20 0x00d56161 in CFRunLoopRunInMode () 21 0x03eb6268 in GSEventRunModal () 22 0x03eb632d in GSEventRun () 23 0x01bf042e in UIApplicationMain () 24 0x0a1e4bd9 in ?? () 25 0x0a1e4b12 in ?? () 26 0x0a1e4515 in ?? () 27 0x0a1e4451 in ?? () 28 0x0a1e44ac in ?? () 29 0x0000e202 in mono_jit_runtime_invoke (method=0xa806e6c, obj=0x0, params=0xbfffedbc, exc=0x0) at ../../../../mono/mini/mini.c:4733 30 0x001c92af in mono_runtime_invoke (method=0xa806e6c, obj=0x0, params=0xbfffedbc, exc=0x0) at ../../../../mono/metadata/object.c:2615 31 0x001caf6b in mono_runtime_exec_main (method=0xa806e6c, args=0xa6a34e0, exc=0x0) at ../../../../mono/metadata/object.c:3581 32 0x001ca891 in mono_runtime_run_main (method=0xa806e6c, argc=0, argv=0xbfffeef4, exc=0x0) at ../../../../mono/metadata/object.c:3355 33 0x00094fe8 in mono_jit_exec (domain=0x6f8fe58, assembly=0xa200730, argc=1, argv=0xbfffeef0) at ../../../../mono/mini/driver.c:1094 34 0x0027cf05 in main () ================================================================= Got a SIGSEGV while executing native code. This usually indicates a fatal error in the mono runtime or one of the native libraries used by your application. Unhandled Exception: System.NullReferenceException: Object reference not set to an instance of an object at (wrapper managed-to-native) MonoTouch.UIKit.UIApplication:UIApplicationMain (int,string[],intptr,intptr) at MonoTouch.UIKit.UIApplication.Main (System.String[] args, System.String principalClassName, System.String delegateClassName) [0x00038] in /Users/plasma/Source/iphone/monotouch/UIKit/UIApplication.cs:26 at MonoTouch.UIKit.UIApplication.Main (System.String[] args) [0x00000] in /Users/plasma/Source/iphone/monotouch/UIKit/UIApplication.cs:31 at MailDialog.Application.Main (System.String[] args) [0x00000] in /Users/rrkhan/Projects/Sandbox/MailDialog/Main.cs:15 I have a very simple sample project illustrating the problem. I can sent you if required.

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  • How to find working directory which works between different computers. - C

    - by Jamie Keeling
    Hello, I am running two processes,Process A is opened by Process B using the following example: createProcessHandle = CreateProcess( TEXT("C:\\Users\Jamie\\Documents\\Application\\Debug\\ProcessA.exe"), TEXT(""), NULL, NULL, FALSE, 0, NULL, NULL, &startupinfo, &process_information ); As you can see the Process is reliant on the path given to it, the problem I have is that if I change the location of my ProcessA.exe (Such as a backup/duplicate) it's a tiresome process to keep recoding the path. I want to be able to make it run no matter where it is without having to recode the path manually. Can anybody suggest a solution to this?

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  • How to propertly reference a namespace for Microsoft.Sdc.Tasks.XmlFile.GetValue

    - by æther
    Hi, i want to use MSBuild to insert a custom xml element into web.config. After looking up online, i found such solution: 1) Store element in the .build file in projectextensions <ProjectExtensions> <CustomElement name="CustomElementName"> ... </CustomElement> </ProjectExtensions> 2) Retrieve the element with GetValue <Target name="ModifyConfig"> <XmlFile.GetValue Path="$(MSBuildProjectFullPath)" XPath="Project/ProjectExtensions/CustomElement[@name='CustomElementName']"> <Output TaskParameter="Value" PropertyName="CustomElementProperty"/> </XmlFile.GetValue> </Target> This will not work as i need to reference a namespace the .build project is using for it to find the needed element (checked the .build file with XPath Visualizer). So, i look up for a further solution and come to this: <ItemGroup> <XmlNamespace Include="MSBuild"> <Prefix>msb</Prefix> <Uri>http://schemas.microsoft.com/developer/msbuild/2003</Uri> </XmlNamespace> </ItemGroup> <Target name="ModifyConfig"> <XmlFile.GetValue Path="$(MSBuildProjectFullPath)" Namespaces="$(XmlNamespace)" XPath="/msb:Project/msb:ProjectExtensions/msb:CustomElement[@name='CustomElementName']" > <Output TaskParameter="Value" PropertyName="CustomElementProperty"/> </XmlFile.GetValue> </Target> But for some reason namespace is not recognized - MSBuild reports the following error: C:...\mybuild.build(53,9): error : A task error has occured. C:...\mybuild.build(53,9): error : Message = Namespace prefix 'msb' is not defined. I tried some variations of referencing it differently but none work, and there is not much about propertly referencing those namespaces online also. Can you tell me what am i doing wrong and how to do it propertly?

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  • How to get around batch file processing limit

    - by Patrick Cuff
    I have a Windows batch file that processes all the files in a given directory. I have 206,783 files I need to process: for %%f in (*.xml) do call :PROCESS %%f goto :STOP :PROCESS :: do something with the file program.exe %1 > %1.new set /a COUNTER=%COUNTER%+1 goto :EOF :STOP @echo %COUNTER% files processed When I run the batch file, the following output is written: 65535 files processed As part of the processing, an output file is created for each file procesed, with a .new extension. When I do a dir *.new it reports 65,535 files exist. So, it appears my command environment has a hard limit on the number of files it can recognize, and that limit is 64K - 1. Is there a way to extend the command environment to manage more than 64K - 1 files? If not, would a VBScript or JavaScript be able to process all 206,783 files? I'm running on Windows 2003 server, Enterprise Edition, 32-bit. UPDATE It looks like the root cause of my issue was with the built-in Windows "extract" command for ZIP files. The files I have to process were copied from another system via a ZIP file. My server doesn't have a ZIP utility installed, just the native Windows commands. I right-clicked on the ZIP file, and did an "Extract all...", which apparently just extracted the first 65,535 files. I downloaded and installed 7-zip onto my server, unzipped all the files, and my batch script worked as intended.

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  • Visual Studio Plug-in that can tell the Application Pool name of w3wp.exe when debugging

    - by Colin Niu
    Is there any plug-in for Visual Studio that can display the associated Application Pool name for those w3wp processes when debugging them with "Attach to Process..." ? Usually I have to do following steps before debugging: c: \Windows\system32\inetsrv\appcmd list wps then I get the process id for the Application Pool I want to debug, and then attach it in the Attach to Process window. I feel it will be very pleasure if there's a plug in can do this automatically, but didn't find any such thing after Googled.

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  • What permissions/rights are needed to run regsvr32 /s /c "myocx.ocx"

    - by Christian Rodemeyer
    I have a WindowsXP configured as a build machine. The build process runs under an account which isn't an administrator. Some projects register as a last step an ocx control with something like regsvr32 /s /c ".\debug\myocx.ocx" This step fails and I assume that this has something to do with rights because doing the same under an admin account works fine. What rights/permissions/policies do I need to give the build account and where do I do it? (Browsing Local Users and Groups and Local Security Settings haven't helped me)

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  • Making Sense of ASP.NET Paths

    - by Renso
    Making Sense of ASP.NET Paths ASP.Net includes quite a plethora of properties to retrieve path information about the current request, control and application. There's a ton of information available about paths on the Request object, some of it appearing to overlap and some of it buried several levels down, and it can be confusing to find just the right path that you are looking for. To keep things straight I thought it a good idea to summarize the path options along with descriptions and example paths. I wrote a post about this a long time ago in 2004 and I find myself frequently going back to that page to quickly figure out which path I’m looking for in processing the current URL. Apparently a lot of people must be doing the same, because the original post is the second most visited even to this date on this blog to the tune of nearly 500 hits per day. So, I decided to update and expand a bit on the original post with a little more information and clarification based on the original comments. Request Object Paths Available Here's a list of the Path related properties on the Request object (and the Page object). Assume a path like http://www.west-wind.com/webstore/admin/paths.aspx for the paths below where webstore is the name of the virtual. Request Property Description and Value ApplicationPath Returns the web root-relative logical path to the virtual root of this app. /webstore/ PhysicalApplicationPath Returns local file system path of the virtual root for this app. c:\inetpub\wwwroot\webstore PhysicalPath Returns the local file system path to the current script or path. c:\inetpub\wwwroot\webstore\admin\paths.aspx Path FilePath CurrentExecutionFilePath All of these return the full root relative logical path to the script page including path and scriptname. CurrentExcecutionFilePath will return the ‘current’ request path after a Transfer/Execute call while FilePath will always return the original request’s path. /webstore/admin/paths.aspx AppRelativeCurrentExecutionFilePath Returns an ASP.NET root relative virtual path to the script or path for the current request. If in  a Transfer/Execute call the transferred Path is returned. ~/admin/paths.aspx PathInfo Returns any extra path following the script name. If no extra path is provided returns the root-relative path (returns text in red below). string.Empty if no PathInfo is available. /webstore/admin/paths.aspx/ExtraPathInfo RawUrl Returns the full root relative URL including querystring and extra path as a string. /webstore/admin/paths.aspx?sku=wwhelp40 Url Returns a fully qualified URL including querystring and extra path. Note this is a Uri instance rather than string. http://www.west-wind.com/webstore/admin/paths.aspx?sku=wwhelp40 UrlReferrer The fully qualified URL of the page that sent the request. This is also a Uri instance and this value is null if the page was directly accessed by typing into the address bar or using an HttpClient based Referrer client Http header. http://www.west-wind.com/webstore/default.aspx?Info Control.TemplateSourceDirectory Returns the logical path to the folder of the page, master or user control on which it is called. This is useful if you need to know the path only to a Page or control from within the control. For non-file controls this returns the Page path. /webstore/admin/ As you can see there’s a ton of information available there for each of the three common path formats: Physical Path is an OS type path that points to a path or file on disk. Logical Path is a Web path that is relative to the Web server’s root. It includes the virtual plus the application relative path. ~/ (Root-relative) Path is an ASP.NET specific path that includes ~/ to indicate the virtual root Web path. ASP.NET can convert virtual paths into either logical paths using Control.ResolveUrl(), or physical paths using Server.MapPath(). Root relative paths are useful for specifying portable URLs that don’t rely on relative directory structures and very useful from within control or component code. You should be able to get any necessary format from ASP.NET from just about any path or script using these mechanisms. ~/ Root Relative Paths and ResolveUrl() and ResolveClientUrl() ASP.NET supports root-relative virtual path syntax in most of its URL properties in Web Forms. So you can easily specify a root relative path in a control rather than a location relative path: <asp:Image runat="server" ID="imgHelp" ImageUrl="~/images/help.gif" /> ASP.NET internally resolves this URL by using ResolveUrl("~/images/help.gif") to arrive at the root-relative URL of /webstore/images/help.gif which uses the Request.ApplicationPath as the basepath to replace the ~. By convention any custom Web controls also should use ResolveUrl() on URL properties to provide the same functionality. In your own code you can use Page.ResolveUrl() or Control.ResolveUrl() to accomplish the same thing: string imgPath = this.ResolveUrl("~/images/help.gif"); imgHelp.ImageUrl = imgPath; Unfortunately ResolveUrl() is limited to WebForm pages, so if you’re in an HttpHandler or Module it’s not available. ASP.NET Mvc also has it’s own more generic version of ResolveUrl in Url.Decode: <script src="<%= Url.Content("~/scripts/new.js") %>" type="text/javascript"></script> which is part of the UrlHelper class. In ASP.NET MVC the above sort of syntax is actually even more crucial than in WebForms due to the fact that views are not referencing specific pages but rather are often path based which can lead to various variations on how a particular view is referenced. In a Module or Handler code Control.ResolveUrl() unfortunately is not available which in retrospect seems like an odd design choice – URL resolution really should happen on a Request basis not as part of the Page framework. Luckily you can also rely on the static VirtualPathUtility class: string path = VirtualPathUtility.ToAbsolute("~/admin/paths.aspx"); VirtualPathUtility also many other quite useful methods for dealing with paths and converting between the various kinds of paths supported. One thing to watch out for is that ToAbsolute() will throw an exception if a query string is provided and doesn’t work on fully qualified URLs. I wrote about this topic with a custom solution that works fully qualified URLs and query strings here (check comments for some interesting discussions too). Similar to ResolveUrl() is ResolveClientUrl() which creates a fully qualified HTTP path that includes the protocol and domain name. It’s rare that this full resolution is needed but can be useful in some scenarios. Mapping Virtual Paths to Physical Paths with Server.MapPath() If you need to map root relative or current folder relative URLs to physical URLs or you can use HttpContext.Current.Server.MapPath(). Inside of a Page you can do the following: string physicalPath = Server.MapPath("~/scripts/ww.jquery.js")); MapPath is pretty flexible and it understands both ASP.NET style virtual paths as well as plain relative paths, so the following also works. string physicalPath = Server.MapPath("scripts/silverlight.js"); as well as dot relative syntax: string physicalPath = Server.MapPath("../scripts/jquery.js"); Once you have the physical path you can perform standard System.IO Path and File operations on the file. Remember with physical paths and IO or copy operations you need to make sure you have permissions to access files and folders based on the Web server user account that is active (NETWORK SERVICE, ASPNET typically). Note the Server.MapPath will not map up beyond the virtual root of the application for security reasons. Server and Host Information Between these settings you can get all the information you may need to figure out where you are at and to build new Url if necessary. If you need to build a URL completely from scratch you can get access to information about the server you are accessing: Server Variable Function and Example SERVER_NAME The of the domain or IP Address wwww.west-wind.com or 127.0.0.1 SERVER_PORT The port that the request runs under. 80 SERVER_PORT_SECURE Determines whether https: was used. 0 or 1 APPL_MD_PATH ADSI DirectoryServices path to the virtual root directory. Note that LM typically doesn’t work for ADSI access so you should replace that with LOCALHOST or the machine’s NetBios name. /LM/W3SVC/1/ROOT/webstore Request.Url and Uri Parsing If you still need more control over the current request URL or  you need to create new URLs from an existing one, the current Request.Url Uri property offers a lot of control. Using the Uri class and UriBuilder makes it easy to retrieve parts of a URL and create new URLs based on existing URL. The UriBuilder class is the preferred way to create URLs – much preferable over creating URIs via string concatenation. Uri Property Function Scheme The URL scheme or protocol prefix. http or https Port The port if specifically specified. DnsSafeHost The domain name or local host NetBios machine name www.west-wind.com or rasnote LocalPath The full path of the URL including script name and extra PathInfo. /webstore/admin/paths.aspx Query The query string if any ?id=1 The Uri class itself is great for retrieving Uri parts, but most of the properties are read only if you need to modify a URL in order to change it you can use the UriBuilder class to load up an existing URL and modify it to create a new one. Here are a few common operations I’ve needed to do to get specific URLs: Convert the Request URL to an SSL/HTTPS link For example to take the current request URL and converted  it to a secure URL can be done like this: UriBuilder build = new UriBuilder(Request.Url); build.Scheme = "https"; build.Port = -1; // don't inject portUri newUri = build.Uri; string newUrl = build.ToString(); Retrieve the fully qualified URL without a QueryString AFAIK, there’s no native routine to retrieve the current request URL without the query string. It’s easy to do with UriBuilder however: UriBuilder builder = newUriBuilder(Request.Url); builder.Query = ""; stringlogicalPathWithoutQuery = builder.ToString();

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  • Error starting an Android program.

    - by Gabriel A. Zorrilla
    [2010-04-16 23:31:34 - MobileDataKeeper] Error in an XML file: aborting build. [2010-04-16 23:31:57 - MobileDataKeeper] Error in an XML file: aborting build. [2010-04-16 23:32:28 - MobileDataKeeper] Error in an XML file: aborting build. [2010-04-16 23:34:56 - MobileDataKeeper] Error in an XML file: aborting build. [2010-04-16 23:35:14 - MobileDataKeeper] res/layout/main.out.xml:0: error: Resource entry main is already defined. [2010-04-16 23:35:14 - MobileDataKeeper] res/layout/main.out.out.xml:0: Originally defined here. [2010-04-16 23:35:14 - MobileDataKeeper] res/layout/main.xml:0: error: Resource entry main is already defined. [2010-04-16 23:35:14 - MobileDataKeeper] res/layout/main.out.out.xml:0: Originally defined here. [2010-04-16 23:35:14 - MobileDataKeeper] /media/Mis Documentos/Dropbox/Eclipse/MobileDataKeeper/res/layout/main.out.out.xml:1: error: Error parsing XML: no element found [2010-04-16 23:35:14 - MobileDataKeeper] /media/Mis Documentos/Dropbox/Eclipse/MobileDataKeeper/res/layout/main.out.xml:1: error: Error parsing XML: no element found [2010-04-16 23:35:49 - MobileDataKeeper] Error in an XML file: aborting build. Main.xml.out.* are empty. The MobileDataKeeper.java is default and the Mainx.xml out is: <?xml version="1.0" encoding="utf-8"?> <RelativeLayout android:id="@+id/RelativeLayout01" android:layout_width="fill_parent" android:layout_height="fill_parent" xmlns:android="http://schemas.android.com/apk/res/android" /> Every time i change something in the Main.xml get this problem. It's very frustrating and I don't know what the heck is going on. A trained eye is requiered! Thanks!

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  • Building and versioning on Iphone

    - by ludo
    Hi, I created an app long time ago using the last SDK on Mac Leopard, I upgrade to Snow Leopard and so now I use the new SDK and can build app for Iphone 3.1.3, I've got a problem now because I can't build my app on my OS Iphone device 3.1 or 3.1.2 How can I change it and allow my app to aso build in older version beginning to 3.1 ? Thanks

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  • How do I work around the GCC "error: cast from ‘SourceLocation*’ to ‘int’ loses precision" error when compiling cmockery.c?

    - by Daryl Spitzer
    I need to add unit tests using Cmockery to an existing build environment that uses as hand-crafted Makefile. So I need to figure out how to build cmockery.c (without automake). When I run: g++ -DHAVE_CONFIG_H -DPIC -I ../cmockery-0.1.2 -I /usr/include/malloc -c ../cmockery-0.1.2/cmockery.c -o obj/cmockery.o I get a long list of errors like this: ../cmockery-0.1.2/cmockery.c: In function ‘void initialize_source_location(SourceLocation*)’: ../cmockery-0.1.2/cmockery.c:248: error: cast from ‘SourceLocation*’ to ‘int’ loses precision Here are lines 247:248 of cmockery.c: static void initialize_source_location(SourceLocation * const location) { assert_true(location); assert_true is defined on line 154 of cmockery.h: #define assert_true(c) _assert_true((int)(c), #c, __FILE__, __LINE__) So the problem (as the error states) is GCC doesn't like the cast from ‘SourceLocation*’ to ‘int’. I can build Cmockery using ./configure and make (on Linux, and on Mac OS X if I export CFLAGS=-I/usr/include/malloc first), without any errors. I've tried looking at the command-line that compiles cmockery.c when I run make (after ./configure): gcc -DHAVE_CONFIG_H -I. -I. -I./src -I./src -Isrc/google -I/usr/include/malloc -MT libcmockery_la-cmockery.lo -MD -MP -MF .deps/libcmockery_la-cmockery.Tpo -c src/cmockery.c -fno-common -DPIC -o .libs/libcmockery_la-cmockery.o ...but I don't see any options that might work around this error. In "error: cast from 'void*' to 'int' loses precision", I see I could change (int) in cmockery.h to (intptr_t). And I've confirmed that works. But since I can build Cmockery with ./configure and make, there must be a way to get it to build without modifying the source.

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  • java Processbuilder - exec a file which is not in path on OS X

    - by Jakob
    Okay i'm trying to make ChucK available in exported Processing sketches, i.e. if i export an app from Processing, the ChucK VM binary will be executed from inside the app. So as a user of said app you don't need to worry about ChucK being in your path at all. Right now i'm generating and executing a bash script file, but this way i don't get any console output from ChucK back into Processing: #!/bin/bash cd "[to where the Chuck executable is located]" ./chuck --kill killall chuck # just to make sure ./chuck chuckScript1.ck cuckScriptn.ck then Process p = Runtime.getRuntime().exec("chmod 777 "+scriptPath); p = Runtime.getRuntime().exec(scriptPath); This works but i want to run ChucK directly from Processing instead, but can't get it to execute: String chuckPath = "[folder in which the chuck executable is located]" ProcessBuilder builder = new ProcessBuilder (chuckPath+"/chuck", "test.ck"); final Process process = builder.start(); InputStream is = process.getInputStream(); InputStreamReader isr = new InputStreamReader(is); BufferedReader br = new BufferedReader(isr); String line; while((line = br.readLine()) != null) println(line); println("done chuckin'! exitValue: " + process.exitValue()); Sorry if this is newbie style :D

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  • Configure PERL DBI and DBD in Linux

    - by Balualways
    I am new to Perl and I work in a Linux OEL 5x server. I am trying to configure the Perl DB modules for Oracle connectivity (DBD and DBI modules). Can anyone help me out in the installation procedure? I had tried CPAN didn't really worked out. Any help would be appreciated. I am not quite sure I need to initialize any variables other than $LD_LIBRARY_PATH and $ORACLE_HOME These are my observations: ISSUE:: I am getting the following issue while using the DBI module to connect to Oracle: install_driver(Oracle) failed: Can't locate loadable object for module DBD::Oracle in @INC (@INC contains: /usr/lib64/perl5/site_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi /usr/lib/perl5/5.8.8 .) at (eval 3) line 3 Compilation failed in require at (eval 3) line 3. Perhaps a module that DBD::Oracle requires hasn't been fully installed at connectdb.pl line 57 I had installed the DBD for oracle from /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/DBD/DBD-Oracle-1.50 Could you please take a look into the steps and correct me if I am wrong: Observations: $ echo $LD_LIBRARY_PATH /opt/CA/UnicenterAutoSysJM/autosys/lib:/opt/CA/SharedComponents/Csam/SockAdapter/lib:/opt/CA/SharedComponents/ETPKI/lib:/opt/CA/CAlib $ echo $ORACLE_HOME /usr/local/oracle/ORA This is how I tried to install the DBD module: Download the file DBD 1.50 for Oracle Copy to /usr/lib64/perl5/5.8.8/x86_64-linux-thread-multi/DBD Untar and Makefile.PL . Message: Using DBI 1.52 (for perl 5.008008 on x86_64-linux-thread-multi) installed in /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi/auto/DBI/ Configuring DBD::Oracle for perl 5.008008 on linux (x86_64-linux-thread-multi) Remember to actually *READ* the README file! Especially if you have any problems. Installing on a linux, Ver#2.6 Using Oracle in /opt/oracle/product/10.2 DEFINE _SQLPLUS_RELEASE = "1002000400" (CHAR) Oracle version 10.2.0.4 (10.2) Found /opt/oracle/product/10.2/rdbms/demo/demo_rdbms.mk Found /opt/oracle/product/10.2/rdbms/demo/demo_rdbms64.mk Found /opt/oracle/product/10.2/rdbms/lib/ins_rdbms.mk Using /opt/oracle/product/10.2/rdbms/demo/demo_rdbms.mk Your LD_LIBRARY_PATH env var is set to '/usr/local/oracle/ORA/lib:/usr/dt/lib:/usr/openwin/lib:/usr/local/oracle/ORA/ows/cartx/wodbc/1.0/util/lib:/usr/local/oracle/ORA/lib:/usr/local/sybase/OCS-12_0/lib:/usr/local/sybase/lib:/home/oracle/jdbc/jdbcoci73/lib:./' WARNING: Your LD_LIBRARY_PATH env var doesn't include '/opt/oracle/product/10.2/lib' but probably needs to. Reading /opt/oracle/product/10.2/rdbms/demo/demo_rdbms.mk Reading /usr/local/oracle/ORA/rdbms/lib/env_rdbms.mk Attempting to discover Oracle OCI build rules sh: make: command not found by executing: [make -f /opt/oracle/product/10.2/rdbms/demo/demo_rdbms.mk build ECHODO=echo ECHO=echo GENCLNTSH='echo genclntsh' CC=true OPTIMIZE= CCFLAGS= EXE=DBD_ORA_EXE OBJS=DBD_ORA_OBJ.o] WARNING: Oracle build rule discovery failed (32512) Add path to make command into your PATH environment variable. Oracle oci build prolog: [sh: make: command not found] Oracle oci build command: [] WARNING: Unable to interpret Oracle build commands from /opt/oracle/product/10.2/rdbms/demo/demo_rdbms.mk. (Will continue by using fallback approach.) Please report this to [email protected]. See README for what to include. Found header files in /opt/oracle/product/10.2/rdbms/public. client_version=10.2 DEFINE= -Wall -Wno-comment -DUTF8_SUPPORT -DORA_OCI_VERSION=\"10.2.0.4\" -DORA_OCI_102 Checking for functioning wait.ph System: perl5.008008 linux ca-build9.us.oracle.com 2.6.20-1.3002.fc6xen #1 smp thu apr 30 18:08:39 pdt 2009 x86_64 x86_64 x86_64 gnulinux Compiler: gcc -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m64 -mtune=generic -D_REENTRANT -D_GNU_SOURCE -fno-strict-aliasing -pipe -Wdeclaration-after-statement -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -I/usr/include/gdbm Linker: not found Sysliblist: -ldl -lm -lpthread -lnsl -lirc Oracle makefiles would have used these definitions but we override them: CC: cc CFLAGS: $(GFLAG) $(OPTIMIZE) $(CDEBUG) $(CCFLAGS) $(PFLAGS)\ $(SHARED_CFLAG) $(USRFLAGS) [$(GFLAG) -O3 $(CDEBUG) -m32 $(TRIGRAPHS_CCFLAGS) -fPIC -I/usr/local/oracle/ORA/rdbms/demo -I/usr/local/oracle/ORA/rdbms/public -I/usr/local/oracle/ORA/plsql/public -I/usr/local/oracle/ORA/network/public -DLINUX -D_GNU_SOURCE -D_LARGEFILE64_SOURCE=1 -D_LARGEFILE_SOURCE=1 -DSLTS_ENABLE -DSLMXMX_ENABLE -D_REENTRANT -DNS_THREADS -fno-strict-aliasing $(LPFLAGS) $(USRFLAGS)] build: $(CC) $(ORALIBPATH) -o $(EXE) $(OBJS) $(OCISHAREDLIBS) [ cc -L$(LIBHOME) -L/usr/local/oracle/ORA/rdbms/lib/ -o $(EXE) $(OBJS) -lclntsh $(EXPDLIBS) $(EXOSLIBS) -ldl -lm -lpthread -lnsl -lirc -ldl -lm $(USRLIBS) -lpthread] LDFLAGS: $(LDFLAGS32) [-m32 -o $@ -L/usr/local/oracle/ORA/rdbms//lib32/ -L/usr/local/oracle/ORA/lib32/ -L/usr/local/oracle/ORA/lib32/stubs/] Linking with /usr/local/oracle/ORA/rdbms/lib/defopt.o -lclntsh -ldl -lm -lpthread -lnsl -lirc -ldl -lm -lpthread [from $(DEF_OPT) $(OCISHAREDLIBS)] Checking if your kit is complete... Looks good LD_RUN_PATH=/usr/local/oracle/ORA/lib Using DBD::Oracle 1.50. Using DBD::Oracle 1.50. Using DBI 1.52 (for perl 5.008008 on x86_64-linux-thread-multi) installed in /usr/lib64/perl5/vendor_perl/5.8.8/x86_64-linux-thread-multi/auto/DBI/ Writing Makefile for DBD::Oracle Writing MYMETA.yml and MYMETA.json *** If you have problems... read all the log printed above, and the README and README.help.txt files. (Of course, you have read README by now anyway, haven't you?)

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  • (Cannot run program "make": Launching failed) .iam using here MinGW-5.1.6 but not cygwin in eclipse-

    - by kranthikumar
    **** Build of configuration Release for project helloworld **** **** WARNING: The "Release" Configuration may not build **** **** because it uses the "Cygwin GCC" **** **** tool-chain that is unsupported on this system. **** **** Attempting to build... **** (Cannot run program "make": Launching failed) iam using here MinGW-5.1.6 but not cygwin in eclipse-SDK-3.2.2-win32 .pplease any one help me & solve this problem yours faithfully. anilkumar.k

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