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• BadAlloc X Error

  - by paultop6

  Hi Guys, Im having some problems with a GTK program im trying to build. When i compile it i keep getting this error: This probably reflects a bug in the program. The error was 'BadAlloc (insufficient resources for operation)'. (Details: serial 195 error_code 11 request_code 53 minor_code 0) Ive traced it down to the following command that appears to be causing it: gtk_box_pack_start(GTK_BOX (Top_Graph), Widget_Get (Graph_Cpu), TRUE, TRUE, 0); Now Top_Graph and Graph_Cpu are both GtkVbox Widgets. Has anyone ever seen an error like this, and could they give me some advice as to how it is caused Regards Paul

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• iphone problem adding splashscreen

  - by zebra

  hi all, i've a little problem, i've add a default.png in my app and it work. I've modify my file, delete file and reference and upload my new file. On my iphone the image does not appear, only some second of blackscreen and after my app start. In the simulator the splashscreen appear. I've try to delete my app on iphone, make a clean all and rebuild & install but nothing... I've try to make clean all, close xcode, delete default.png to my project directory (sometimes exist, sometimes no), open xcode, add my file and build & install on my iphone but nothing... Any ideas?

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• Python - Number of Significant Digits in results of division

  - by russ

  Newbie here. I have the following code: myADC = 128 maxVoltage = 5.0 maxADC = 255.0 VoltsPerADC = maxVoltage/maxADC myVolts = myADC * VoltsPerADC print "myADC = {0: >3}".format(myADC) print "VoltsPerADC = {0: >7}".format(VoltsPerADC) print VoltsPerADC print "myVolts = {0: >7}".format(myVolts) print myVolts This outputs the following: myADC = 128 VoltsPerADC = 0.0196078 0.0196078431373 myVolts = 2.5098 2.50980392157 I have been searching for an explanation of how the number of significant digits is determined by default, but have had trouble locating an explanation that makes sense to me. This link link text suggests that by default the "print" statement prints numbers to 10 significant figures, but that does not seem to be the case in my results. How are the number of significant digits/precision determined? Can someone shed some light on this for me. Thanks in advance for your time and patience.

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• Android - Audio recorder FileNotFound

  - by david

  Hi, I'm trying to record audio this.recorder = new android.media.MediaRecorder(); this.recorder.setAudioSource(android.media.MediaRecorder.AudioSource.MIC); this.recorder.setOutputFormat(android.media.MediaRecorder.OutputFormat.DEFAULT); this.recorder.setAudioEncoder(android.media.MediaRecorder.AudioEncoder.DEFAULT); this.recorder.setOutputFile("pruebaAudioRecorder.mp4"); this.recorder.prepare(); this.recorder.start(); but when i call prepare method throws the FileNotFound exception. Should I create the file before prepare method? something like new File(...) If so, which should be the file path? thx a lot.

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• FreeLibrary vs implicit unloading DLL

  - by Adil

  I have implemented a DLL including DllMain() entry function:- BOOL APIENTRY DllMain( HMODULE hModule, DWORD ul_reason_for_call, LPVOID lpReserved ) { case DLL_PROCESS_ATTACH: ... case DLL_THREAD_ATTACH: ... case DLL_THREAD_DETACH: ... case DLL_PROCESS_DETACH: ... } Unfortunately i made a mistake in DLL_PROCESS_DETACH case and accessing illegal memorey (access violation). I made a sample program which loads the library using LoadLibrary() function, uses the library function and finally call FreeLibrary() and return. When i executed this program, i didnt get any error message. But if i remove FreeLibrary(), in that case the DLL_PROCESS_DETACH case is executed implicitly and this time it gives error dialog box mentioning that there is access violation. Why calling FreeLibrary() suppress this error? OR internally it handles this exception? What is suggested way.

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• Ambiguous Generic restriction T:class vs T:struct

  - by Maslow

  This code generates a compiler error that the member is already defined with the same parameter types. private T GetProperty<T>(Func<Settings, T> GetFunc) where T:class { try { return GetFunc(Properties.Settings.Default); } catch (Exception exception) { SettingReadException(this,exception); return null; } } private TNullable? GetProperty<TNullable>(Func<Settings, TNullable> GetFunc) where TNullable : struct { try { return GetFunc(Properties.Settings.Default); } catch (Exception ex) { SettingReadException(this, ex); return new Nullable<TNullable>(); } } Is there a clean work around?

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• Unlock a file with unlocker from a WinForms App?

  - by netadictos

  I am trying to unlock a file from a C# program, using unlocker. In my UI, I put a button to unlock the file the app couldn't delete. When the user pushes the button, I want unlocker (the famous app) to be opened. I have read about in the Unlocker web, and there is some explanations about the commandline to use but nothing works. I write the following code but nothing happens: "c:\Program Files\unlocker\unlocker.exe" -L "PATHFORTHEFILE.doc" Nothing happens. I have tried without parameters and with -LU. Any idea? Something more efficient than unlocker to integrate it with software?

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• How hard programming is? Really. [closed]

  - by Bubba88

  Hi! The question is about your perception of programming activity. How hard/exacting this task is? There is much buzz about programming nowadays, people say that programmers are smart, very technical and abstract at a time, know much about world, psychology etc.. They say, that programmers got really powerful brain thing, cause there is much to keep in consideration simultaneously again with much information folded into each other associatively (up 10 levels of folding they say))) Still, there are some terms to specify at our own.. So that is the question: What do you think about programming in general? Is it hard? Is it 'for everyone' or for the particular kind of people only? How much non-CS background do you need to program (just to program, really; enterprise applications for example)? How long is the learning curve? (again, for programming in general) And another bunch of random questions: - If you were not to like/love programming, would that be a serious trouble bothering your current employment? - If you were to start from the beginning, would you chose that direction this time? - What other areas (jobs or maybe hobbies) are comparable to programming in the way they can explode someone's lovely brain? - Is 'non turing-complete programming' (SQL, XML, etc.) comparable to what we do or is it really way easier, less requiring, cheap and akin to cooking :)? Well, the essence is: How would you describe programming activity WRT to its difficulty? Or, on the other hand: Did you ever catch yourself thinking at some point: OMG, it's sooo hard! I don't know how would I ever program, even carried away this way and doing programming just for fun? It's very interesting to know your opinion, your'e the programmers after all. I mean much people must be exaggerating/speculating about the thing they do not really know about. But that musn't be the case here on SO :) P.S.: I'll try my best to update this post later, and you please edit it too. At least I'll get decent English in my question text :)

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• Using a SOCKS proxy from perl

  - by ettyer

  How I can use a SOCKS proxy from my perl socket program? pls help me .

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• Accessing structure through pointers [c]

  - by Blackbinary

  I've got a structure which holds names and ages. I've made a linked-list of these structures, using this as a pointer: aNode *rootA; in my main. Now i send **rootA to a function like so addElement(5,"Drew",**rootA); Because i need to pass rootA by reference so that I can edit it in other functions (in my actual program i have two roots, so return will not work) The problem is, in my program, i can't say access the structure members. *rootA->age = 4; for example doesnt work. Hopefully you guys can help me out. Thanks!

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• Custom Build Step Paths Between x86 and x64 in Visual Studio

  - by Bob Somers

  For reference, I'm using Visual Studio 2010. I have a custom build step defined as follows: if exist "$(TargetDir)"server.dll copy "$(TargetDir)"server.dll "c:\program files (x86)\myapp\server.dll" This works great on my desktop, which is running 64-bit Windows. However, when I build on my laptop, c:\Program Files (x86)\ doesn't exist because it's running 32-bit Windows. I'd like to put in something that will work between both editions of Windows, since the project files are under version control and it's a real pain to change the paths every time I work on my laptop. If this were a *nix environment I'd just create a symlink and be done with it. Any ideas?

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• Performance of delegate and method group

  - by BlueFox

  Hi I was investigating the performance hit of creating Cachedependency objects, so I wrote a very simple test program as follows: using System; using System.Collections.Generic; using System.Diagnostics; using System.Web.Caching; namespace Test { internal class Program { private static readonly string[] keys = new[] {"Abc"}; private static readonly int MaxIteration = 10000000; private static void Main(string[] args) { Debug.Print("first set"); test7(); test6(); test5(); test4(); test3(); test2(); Debug.Print("second set"); test2(); test3(); test4(); test5(); test6(); test7(); } private static void test2() { DateTime start = DateTime.Now; var list = new List<CacheDependency>(); for (int i = 0; i < MaxIteration; i++) { list.Add(new CacheDependency(null, keys)); } Debug.Print("test2 Time: " + (DateTime.Now - start)); } private static void test3() { DateTime start = DateTime.Now; var list = new List<Func<CacheDependency>>(); for (int i = 0; i < MaxIteration; i++) { list.Add(() => new CacheDependency(null, keys)); } Debug.Print("test3 Time: " + (DateTime.Now - start)); } private static void test4() { var p = new Program(); DateTime start = DateTime.Now; var list = new List<Func<CacheDependency>>(); for (int i = 0; i < MaxIteration; i++) { list.Add(p.GetDep); } Debug.Print("test4 Time: " + (DateTime.Now - start)); } private static void test5() { var p = new Program(); DateTime start = DateTime.Now; var list = new List<Func<CacheDependency>>(); for (int i = 0; i < MaxIteration; i++) { list.Add(() => { return p.GetDep(); }); } Debug.Print("test5 Time: " + (DateTime.Now - start)); } private static void test6() { DateTime start = DateTime.Now; var list = new List<Func<CacheDependency>>(); for (int i = 0; i < MaxIteration; i++) { list.Add(GetDepSatic); } Debug.Print("test6 Time: " + (DateTime.Now - start)); } private static void test7() { DateTime start = DateTime.Now; var list = new List<Func<CacheDependency>>(); for (int i = 0; i < MaxIteration; i++) { list.Add(() => { return GetDepSatic(); }); } Debug.Print("test7 Time: " + (DateTime.Now - start)); } private CacheDependency GetDep() { return new CacheDependency(null, keys); } private static CacheDependency GetDepSatic() { return new CacheDependency(null, keys); } } } But I can't understand why these result looks like this: first set test7 Time: 00:00:00.4840277 test6 Time: 00:00:02.2041261 test5 Time: 00:00:00.1910109 test4 Time: 00:00:03.1401796 test3 Time: 00:00:00.1820105 test2 Time: 00:00:08.5394884 second set test2 Time: 00:00:07.7324423 test3 Time: 00:00:00.1830105 test4 Time: 00:00:02.3561347 test5 Time: 00:00:00.1750100 test6 Time: 00:00:03.2941884 test7 Time: 00:00:00.1850106 In particular: 1. Why is test4 and test6 much slower than their delegate version? I also noticed that Resharper specifically has a comment on the delegate version suggesting change test5 and test7 to "Covert to method group". Which is the same as test4 and test6 but they're actually slower? 2. I don't seem a consistent performance difference when calling test4 and test6, shouldn't static calls to be always faster?

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• CakePHP Bake association problem

  - by Apu

  I have only two tables in my database with a one-to-many relationship between them (user hasMany messages) and am trying to get basic CRUD functionality going. Bake detects the associations correctly and specifies them correctly inside the model classes, but in controllers and views it looks like Cake doesn't know anything about those associations -- I don't even get a select tag for user_id when I go add a new message. Has anyone come across this problem before? What can I be doing wrong? Table structure appears to be fine: CREATE TABLE users ( id int(11) NOT NULL AUTO_INCREMENT, username varchar(255) NOT NULL, `password` varchar(255) NOT NULL, email varchar(255) NOT NULL, created datetime NOT NULL, modified datetime NOT NULL, PRIMARY KEY (id) ) ENGINE=MyISAM DEFAULT CHARSET=utf8; CREATE TABLE IF NOT EXISTS `messages` ( `id` int(11) NOT NULL AUTO_INCREMENT, `user_id` int(11) NOT NULL, `content` varchar(255) NOT NULL, `created` datetime NOT NULL, `modified` datetime NOT NULL, PRIMARY KEY (`id`) ) ENGINE=MyISAM DEFAULT CHARSET=utf8 AUTO_INCREMENT=1 ;

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• Iphone video subtitles programmatic selection

  - by Marek

  I have some videos (mp4) with multiple language subtitles that can be read by an iphone. Users can select to view the subtitle and the language from the default iphone button in the video ui. I would like to be able to set a defalut programmatically, so that, for instance, an user can select a language just one time in the main screen and, from then on, all the videos will have that language subtitles on by default. I can't find anything in the official documentation. I tought about some workarounds like renaming srt files but i don't think it's possible witouht copying all the video files in the user documents dir (not an option).

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• Server is on or off

  - by Daniel

  Curious. I'm starting to broadcast high school football games online, and it uses a program to broadcast the feeds off my computer. However, when I shut the program down or the computer down, the server goes offline and guests won't be able to access the feeds. Is there any kind of code out there that I can post onto my website that will indicate to my guests whether the server is on or off? I would figure it would be a simple code, a php script or something that periodically checks to see if a site is on line and then displays ON or OFF.

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• Is this part of MVC in .NET?

  - by 4thSpace

  I have a .NET MVC winform app. I've created an AppDelegate class that handles application startup and shutdown...for now (it might do more later). Winform apps have a Program.cs file that does some app initialization, starts the message pump and creates the first form. In my app, the first form is AppDelegate, which isn't really a form but is forced that way by Application.Run(). AppDelegate does any further app initialization and starts the first Controller, which then initializes any child controllers (these then create their views). I don't consider events occuring in Program.cs and AppDelegate as part of the MVC. Conceptually, what would these be called?

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• Why does SFINAE not apply to this?

  - by Simon Buchan

  I'm writing some simple point code while trying out Visual Studio 10 (Beta 2), and I've hit this code where I would expect SFINAE to kick in, but it seems not to: template<typename T> struct point { T x, y; point(T x, T y) : x(x), y(y) {} }; template<typename T, typename U> struct op_div { typedef decltype(T() / U()) type; }; template<typename T, typename U> point<typename op_div<T, U>::type> operator/(point<T> const& l, point<U> const& r) { return point<typename op_div<T, U>::type>(l.x / r.x, l.y / r.y); } template<typename T, typename U> point<typename op_div<T, U>::type> operator/(point<T> const& l, U const& r) { return point<typename op_div<T, U>::type>(l.x / r, l.y / r); } int main() { point<int>(0, 1) / point<float>(2, 3); } This gives error C2512: 'point<T>::point' : no appropriate default constructor available Given that it is a beta, I did a quick sanity check with the online comeau compiler, and it agrees with an identical error, so it seems this behavior is correct, but I can't see why. In this case some workarounds are to simply inline the decltype(T() / U()), to give the point class a default constructor, or to use decltype on the full result expression, but I got this error while trying to simplify an error I was getting with a version of op_div that did not require a default constructor*, so I would rather fix my understanding of C++ rather than to just do what works. Thanks! *: the original: template<typename T, typename U> struct op_div { static T t(); static U u(); typedef decltype(t() / u()) type; }; Which gives error C2784: 'point<op_div<T,U>::type> operator /(const point<T> &,const U &)' : could not deduce template argument for 'const point<T> &' from 'int', and also for the point<T> / point<U> overload.

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• Completing install of ruby 1.9.3 with Ruby for for Mac OS X 10.7.5 Leopard, Xcode 4.5.2 -- problems with rvm pkg install openssl

  - by user1848361

  First, many thanks in advance for any help. I'm a complete novice with programming and I'm trying to get started with this Ruby on Rails tutorial (http://ruby.railstutorial.org/ruby-on-rails-tutorial-book?version=3.2) I have been trying figure this out for about 7 hours now and since I don't have any hair left to pull out I'm turning to these hallowed pages. I have searched for solutions here again and again. System: Mac OS X 10.7.5 Leopard, Xcode 4.5.2 I installed homebrew and have updated it multiple times I used homebrew to install rvm and have updated it multiple times I installed git The standard ruby on the system (checking with $ ruby -v) is 1.8.7 My problem is that every time I try to use rvm to install a new version of Ruby ($ rvm install 1.9.3) I get the following error: Ruby (and needed base gems) for your selection will be installed shortly. Before it happens, please read and execute the instructions below. Please use a separate terminal to execute any additional commands. Notes for Mac OS X 10.7.5, Xcode 4.5.2. For JRuby: Install the JDK. See http://developer.apple.com/java/download/ # Current Java version "1.6.0_26" For IronRuby: Install Mono >= 2.6 For Ruby 1.9.3: Install libksba # If using Homebrew, 'brew install libksba' For Opal: Install Nodejs with NPM. See http://nodejs.org/download/ To use an RVM installed Ruby as default, instead of the system ruby: rvm install 1.8.7 # installs patch 357: closest supported version rvm system ; rvm gemset export system.gems ; rvm 1.8.7 ; rvm gemset import system.gems # migrate your gems rvm alias create default 1.8.7 And reopen your terminal windows. Xcode and gcc: : I have performed $ brew install libksba and when I try to do it again it tells me that libksba is installed already. When I type "$ rvm requirements" I get: Notes for Mac OS X 10.7.5, Xcode 4.5.2. For JRuby: Install the JDK. See http://developer.apple.com/java/download/ # Current Java version "1.6.0_26" For IronRuby: Install Mono >= 2.6 For Ruby 1.9.3: Install libksba # If using Homebrew, 'brew install libksba' For Opal: Install Nodejs with NPM. See http://nodejs.org/download/ To use an RVM installed Ruby as default, instead of the system ruby: rvm install 1.8.7 # installs patch 357: closest supported version rvm system ; rvm gemset export system.gems ; rvm 1.8.7 ; rvm gemset import system.gems # migrate your gems rvm alias create default 1.8.7 And reopen your terminal windows. Xcode and gcc: Right now Ruby requires gcc to compile, but Xcode 4.2 and later no longer ship with gcc. Instead they ship with llvm-gcc (to which gcc is a symlink) and clang, neither of which are supported for building Ruby. Xcode 4.1 was the last version to ship gcc, which was /usr/bin/gcc-4.2. Xcode 4.1 and earlier: - Ruby will build fine. Xcode 4.2 and later (including Command Line Tools for Xcode): - If you have gcc-4.2 (and friends) from an earlier Xcode version, Ruby will build fine. - If you don't have gcc-4.2, you have two options to get it: * Install apple-gcc42 from Homebrew * Install osx-gcc-installer Homebrew: If you are using Homebrew, you can install the apple-gcc42 and required libraries from homebrew/dupes: brew update brew tap homebrew/dupes brew install autoconf automake apple-gcc42 rvm pkg install openssl Xcode 4.2+ install or/and Command Line Tools for Xcode is required to provide make and other tools. osx-gcc-installer: If you don't use Homebrew, you can download and install osx-gcc-installer: https://github.com/kennethreitz/osx-gcc-installer. Warning: Installing osx-gcc-installer on top of a recent Xcode is known to cause problems, so you must uninstall Xcode before installing osx-gcc-installer. Afterwards you may install Xcode 4.2+ or Command Line Tools for Xcode if you desire. ** NOTE: Currently, Node.js is having issues building with osx-gcc-installer. The only fix is to install Xcode over osx-gcc-installer. So I assume I have to do something with brew update brew tap homebrew/dupes brew install autoconf automake apple-gcc42 rvm pkg install openssl Everything seemed to work fine until "$ rvm pkg install openssl", which returns: Fetching openssl-1.0.1c.tar.gz to /Users/thierinvestmentservices/.rvm/archives Extracting openssl to /Users/thierinvestmentservices/.rvm/src/openssl-1.0.1c Configuring openssl in /Users/thierinvestmentservices/.rvm/src/openssl-1.0.1c. Compiling openssl in /Users/thierinvestmentservices/.rvm/src/openssl-1.0.1c. Error running 'make', please read /Users/thierinvestmentservices/.rvm/log/openssl/make.log Please note that it's required to reinstall all rubies: rvm reinstall all --force Updating openssl certificates Error running 'update_openssl_certs', please read /Users/thierinvestmentservices/.rvm/log/openssl.certs.log Johns-MacBook-Pro:~ thierinvestmentservices$ rvm pkg install openssl Fetching openssl-1.0.1c.tar.gz to /Users/thierinvestmentservices/.rvm/archives Extracting openssl to /Users/thierinvestmentservices/.rvm/src/openssl-1.0.1c Configuring openssl in /Users/thierinvestmentservices/.rvm/src/openssl-1.0.1c. Compiling openssl in /Users/thierinvestmentservices/.rvm/src/openssl-1.0.1c. Error running 'make', please read /Users/thierinvestmentservices/.rvm/log/openssl/make.log Please note that it's required to reinstall all rubies: rvm reinstall all --force Updating openssl certificates Error running 'update_openssl_certs', please read /Users/thierinvestmentservices/.rvm/log/openssl.certs.log make.log reads "[2012-11-23 13:15:28] make /Users/thierinvestmentservices/.rvm/scripts/functions/utility: line 116: make: command not found" and openssl.certs.log reads "[2012-11-23 14:04:04] update_openssl_certs update_openssl_certs () { ( chpwd_functions="" builtin cd $rvm_usr_path/ssl && command curl -O http://curl.haxx.se/ca/cacert.pem && mv cacert.pem cert.pem ) } current path: /Users/thierinvestmentservices command(1): update_openssl_certs /Users/thierinvestmentservices/.rvm/scripts/functions/pkg: line 205: cd: /Users/thierinvestmentservices/.rvm/usr/ssl: No such file or directory" At this point the letters might as well be wingdings I have no idea what is going on. I have tried to install rvm make with something I saw on one forum post but I got a bunch of warnings. If anyone has any suggestions I would be deeply grateful, I am completely in over my head,

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• Using Application Settings and reading defaults from app.config

  - by Peter Goras

  Hi, I need to deploy a Windows Forms application using ClickOnce deployment. (VS2008, .NET 3.5) And I need to provide a configuration file for this app that any user can modify. For this reason, I am using Application Settings instead of standard appSetttings in app.config so I can separate the the user config from app config. see http://msdn.microsoft.com/en-us/library/ms228995(VS.80).aspx Creating a Settings.settings file using VS generated a class with hard-coded default values like this: [global::System.Configuration.DefaultSettingValueAttribute("blahblah")] public string MyProperty ... WTF? I want to read the default values from the app.config! So I created my own class deriving from ApplicationSettingsBase but I cannot get this to read values from the app.config. Any ideas?

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• How to close the prefetch of cache in windows?

  - by MainID

  In a C/C++ program, how to close the prefetch of each core in the Windows system?

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• Interpreting Search Results

  - by Simon

  Hi all, I am tasked with writing a program that, given a search term and the HTML source of a page representing search results of some unknown search engine (it can really be anything, a blog, a shop, Google, eBay, ...), needs to build a data structure of the results containing "what's in the results": a title for earch result, the "details" link, the position within the results etc. It is not known whether the results page contains any of the data at all, and whether there are any search results. The goal is to feed the data structure into another program that extracts meaning. What I am looking for is not BeautifulSoup or a RegExp but rather some clever ideas or algorithms on how to interpret the HTML source. What do I do to find out what part of the page constitutes a single result item? How do I filter the markup noise to extract the important bits? What would you do? Pointers to fields of research covering what I try to to are aly greatly appreciated. Thanks, Simon

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• Can output from OutputDebugString be viewed in VisualStudio's output window

  - by wageoghe

  I am using C# and VS2010. When I use OutputDebugString to write debug information, should it show up in the output window? I can see the output from OutputDebugString in DebugView, but I thought I would see it in Visual Studio's Output window. I have looked under Tools-Options-Debugging-General and the output is NOT being redirected to the Immediate window. I have also looked under Tools-Options-Debugging-Output Window and all General Output Settings are set to "On". Finally, I have used the drop-down list in the Output window to specify that Debug messages should appear. If I change Tools-Options-Debugging-General to redirect the output to the Immediate window, the OutputDebugString messages do not appear in the immediate window. Here is my entire test program: using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Runtime.InteropServices; using System.Diagnostics; namespace OutputDebugString { class Program { [DllImport("kernel32.dll", CharSet = CharSet.Auto)] public static extern void OutputDebugString(string message); static void Main(string[] args) { Console.WriteLine("Main - Enter - Console.WriteLine"); Debug.WriteLine("Main - Enter - Debug.WriteLine"); OutputDebugString("Main - Enter - OutputDebugString"); OutputDebugString("Main - Exit - OutputDebugString"); Debug.WriteLine("Main - Exit - Debug.WriteLine"); Console.WriteLine("Main - Exit - Console.WriteLine"); } } } If I run within the debugger, the Debug.WriteLine output does show up in the output window, but the OutputDebugString output does not. If I run from a console window, both Debug.WriteLine and OutputDebugString show up in DebugView. Why doesn't the OutputDebugString output ever show up in the output window? Ultimately, my intent is not to write a lot of debug output with OutputDebugString, rather I will use System.Diagnostics or NLog or something similar. I am just trying to find out, if I configure a logging platform to write to OutputDebugString, will the output be visible from within the debugger. Edit: I went back to my original program (not the simple test above) which uses TraceSources and TraceListeners configured via the app.config file. If I configure the trace sources to write to the System.Diagnostics.DefaultTraceListener (which is documented as writing to OutputDebugString), then the trace source output DOES go to the debug window. However, lines that write directly with OutputDebugString (such as in my simple example) DO NOT go to the debug window. Also, if I use a different TraceListener that writes to OutputDebugString (I got one from Ukadc.Diagnostics at codeplex), that output DOES NOT go to the debug window. Note that I have seen these questions but they did not provide a working solution: here and here

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• xsl key - multiple levels for an element

  - by user1004770

  My previous post was not very meaningful. reposting here. What i am looking for is the QueueManager element, under SORRegion name="default"(which is the parent), within inan.xml. I have used xsl key. In my xsl the value 'default' is hardcoded. here is the xsl i used <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" > <xsl:output omit-xml-declaration="yes" indent="yes" method="xml" /> <xsl:key name="CR-lookup" match="Service" use="concat(@ServiceName, '+', SOR/@SORname, '+', */CountryCode/@Ctrycd, '+', */*/SORRegion/@name, '+', */*/*/ConsumerName/@name)"/> <xsl:variable name="CRTable" select="document('inan.xml')"/> <xsl:template match="/"> <Contributor> <ContributorRole> <xsl:for-each select="$CRTable"> <!-- change context document --> <xsl:for-each select="key('CR-lookup', concat('StatementIndicatorsService', '+', 'Globestar', '+', '124', '+', 'default', '+', 'MYCA'))"> <a> <xsl:value-of select="*/*/*/*/QueueManager"/> </a> </xsl:for-each> </xsl:for-each> </ContributorRole> </Contributor> </xsl:template> </xsl:stylesheet> any input xml file is fine. here is my actual output <Contributor> <ContributorRole /> </Contributor> expected output <Contributor> <ContributorRole> <a>MAO1</a> </ContributorRole> </Contributor> inan.xml document <RoutingDetails> <Service ServiceName="StatementIndicatorsService"> <SOR SORname="Globestar"> <CountryCode Ctrycd="124"> <SORRegion name="Test"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146B</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146C</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.ICS.DP.DHIPO211.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="default"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.ICS.DP.DHIPO211.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="CICDKBX1"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.ICS.DP.DHIPO211.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="CICDKAX4"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.GDAS.DHIPO204.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="CICDKEX7"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.ICS.DP.DHIPO247.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> </CountryCode> <CountryCode Ctrycd="826"> <SORRegion name="Test"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.ICS.DP.DHIPO211.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="default"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.ICS.DP.DHIPO211.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="CICDKBX1"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.ICS.DP.DHIPO211.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="CICDKAX4"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.GDAS.DHIPO204.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="CICDKEX7"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA1146A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA1146A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.GDAS.DHIPO247.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> </CountryCode> <CountryCode Ctrycd="724"> <SORRegion name="Test"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA4248A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA4248A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.GDAS.DHIPO239.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="default"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA4248A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA4248A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.GDAS.DHIPO239.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="CICDKBX1"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA4248A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA4248A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.ICS.DP.DHIPO211.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="CICDKAX4"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA4248A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA4248A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.GDAS.DHIPO204.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> <SORRegion name="CICDKEX7"> <ConsumerName name="MYCA"> <AutomationIds> <PreAutoId> <AutomationId>XA4248A</AutomationId> <AutomationId>XA1146A</AutomationId> </PreAutoId> <DefaultAutoId> <AutomationId>XA4248A</AutomationId> </DefaultAutoId> </AutomationIds> </ConsumerName> <QueueDetails> <QueueManager>MAO1</QueueManager> <ReplyQueueManager>MAO1</ReplyQueueManager> <RequestQueue>GSTAR.GDAS.DHIPO247.REQUEST</RequestQueue> <ReplyQueue>ICS.DP.REPLY</ReplyQueue> </QueueDetails> </SORRegion> </CountryCode> </SOR> </Service> </RoutingDetails>

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• Which method should I use ?

  - by Ivan

  I want to do this exercise but I don't know exactly which method should I use for an exercise like this and what data will I use to test the algorithm. The driving distance between Perth and Adelaide is 1996 miles. On the average, the fuel consumption of a 2.0 litre 4 cylinder car is 8 litres per 100 kilometres. The fuel tank capacity of such a car is 60 litres. Design and implement a JAVA program that prompts for the fuel consumption and fuel tank capacity of the aforementioned car. The program then displays the minimum number of times the car’s fuel tank has to be filled up to drive from Perth to Adelaide. Note that 62 miles is equal to 100 kilometres. What data will you use to test that your algorithm works correctly?

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• aspnet_reqsql not working at all

  - by user252160

  I would like to create the ASP.NET User database template on a database of my own, because I'd like to fully untegrate the user system with the rest of my DB. As I've read, i needed to use the aspnet_regsql tool. I put all the options (because my database is running on SQLEXPRESS and is in an mdf file in my project's folder). the program starts and seemingly runs without any errors, however, when I open the database after that, not tables or stored procedures have been added. One more thing: I did one more test. I intentionally gave the -d option a wrong mdf file address, and surprisingly, the program "finished" correctly, yet no file was crated or modified whatsoever.

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