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• Howto mix TDD and RAII

  - by f4

  I'm trying to make extensive tests for my new project but I have a problem. Basically I want to test MyClass. MyClass makes use of several other class which I don't need/want to do their job for the purpose of the test. So I created mocks (I use gtest and gmock for testing) But MyClass instantiate everything it needs in it's constructor and release it in the destructor. That's RAII I think. So I thought, I should create some kind of factory, which creates everything and gives it to MyClass's constructor. That factory could have it's fake for testing purposes. But's thats no longer RAII right? Then what's the good solution here?

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• Releasing WinForm Program Updates

  - by Tinkerer_CardTracker

  Hello, Another quick question. I'd like to release some updates for a WinForm program, but to date I have simply released an all-new compile. People have to un-install the old version and install the new version. I bet there's a way to get around this, but I don't know what it's called. As you may guess, searches for "updates" "new version" "install" and the other obvious things I've tried have generated an impressive number of irrelevant results. _< I suspect this process has a particular name, which should point me in the right direction, but if it doesn't please link to a tutorial or something. Thanks again, this site is great! :)

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• Can I use/include gsdll32.dll redmonnt.dll (no modifications) in a commercial application for my cli

  - by scriptmaster

  I am not a license expert; however, after a lot of research, I am still struggling to answer the following questions and would like to know if my assumptions are right! Is it legal to include gsdll32.dll and redmonnt.dll in a commercial product? Should I release any source code of the commercial app where I am using this library? Is there a commercial license (a small fee that my client can pay to use these libraries) to GhostScript? What are the alternative solutions?

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• C++ program runs slow in VS2008

  - by Nima

  I have a program written in C++, that opens a binary file(test.bin), reads it object by object, and puts each object into a new file (it opens the new file, writes into it(append), and closes it). I use fopen/fclose, fread and fwrite. test.bin contains 20,000 objects. This program runs under linux with g++ in 1 sec but in VS2008 in debug/release mode in 1min! There are reasons why I don't do them in batches or don't keep them in memory or any other kind of optimizations. I just wonder why it is that much slow under windows. Thanks,

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• Why do I get CA1811 when I call a private method from a public method in C++/CLI?

  - by brickner

  I've recently upgraded my project from Visual Studio 2008 to Visual Studio 2010. By enabling Code Analysis and building on Release, I'm getting warning CA1811: Avoid uncalled private code. I've managed to reduce the code to this: .h file: public ref class Foo { public: virtual System::String^ ToString() override; private: static System::String^ Bar(); }; .cpp file: String^ Foo::ToString() { return Bar(); } String^ Foo::Bar() { return "abc"; } The warning I get: CA1811 : Microsoft.Performance : 'Foo::Bar(void)' appears to have no upstream public or protected callers. It doesn't matter if Bar() is static or not. I've tried to reproduce it in C# but I can't. I can only reproduce it in C++/CLI. Why do I get this warning? Is this a Visual Studio 2010 bug?

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• Working effectively unit tests / Anyone tried the in-assembly approach?

  - by CodingCrapper

  I'm trying to re-introduce unit testing into my team as our current coverage is very poor. Our system is quite large 40+ projects/assemblies. We current use a project named [SystemName].Test.csproj were all the test code is dumped and organised to represent the namespaces using folders. This approach is not very scalable and makes it difficult to find tests. I've been thinking about added a Tests folder to each project, this would put the unit tests "in the developers face" and make them easy to find. The downside is the Production release code would contain references to nunit, nmocks as well as the test code and test data.... Has anyone tried this approach? How is everyone else working with unit tests on large projects? Having a Tests project per "real" project/assembly would introduce too many new projs. Thanks in advance

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• iPhone Application: force landscape mode, strange behaviour...?

  - by David Lawson

  This is a method I use to switch display views, based on a string passed (for example you could pass MainMenuViewController to switch views to a new instance of that class): - (void)displayView:(NSString *)newView { NSLog(@"%@", newView); [[currentView view] removeFromSuperview]; [currentView release]; UIViewController *newView = [[NSClassFromString(newView) alloc] init]; [[newView view] setFrame:CGRectMake(0, 0, 320, 460)]; [self setCurrentView:newView]; [[self view] addSubview:[currentView view]]; } I have my application forced into landscape view (.plist and -shouldRotate), but if you look in the code: [[newView view] setFrame:CGRectMake(0, 0, 320, 460)]; I have to set the frame of the newView to a portrait frame for the view to be displayed correctly - otherwise, for example, a button on the new view can only be pressed in certain parts of the screen (rectangle up the top), unresponsive anywhere else. Even though in all my NIB files they are set to landscape.

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• What values does Camera.Parameters.set("picture-size", ?) take?

  - by mobilekid

  Hi, my app involves some work with the camera, therefore it needs to handle capturing of images with different resolution. My targets are 1.6 - onwards. Does anyone know what to pass in the value argument for Camera.Parameters.set("picture-size", value) I have look at the Donut release of the Camera app, however, it was not very clear what exactly has been used there as the value is retrieved from the SharedPreferences. // Set picture size parameter. String pictureSize = mPreferences.getString(CameraSettings.KEY_PICTURE_SIZE, getString(R.string.pref_camera_picturesize_default)); mParameters.set(PARM_PICTURE_SIZE, pictureSize); Lookin at the strings.xml I can see that R.string.pref_camera_picturesize_default = 2048x1536, however, I'm not sure what other values can be passed there? Is it any resolution you fancy, or are they only certain resolutions the drivers can handle? Thanks.

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• Correct way to add "Tab Bar" in Navigation based tamplate in iPhon

  - by iPhoneDev

  I have added Tab Bar in Navigation based tamplate like this: [self.navigationController pushViewController:anotherViewController animated:YES]; And I think this is not the correct way to have Tab Bar in detail view in Navigation based tamplate. Please make me correct? UnsentView *unsent = [[UnsentView alloc] initWithNibName:@"UnsentView" bundle:nil]; unsent.title =@"Unsent"; UITabBarController *anotherViewController = [[UITabBarController alloc] init]; anotherViewController.viewControllers = [NSArray arrayWithObjects: unsent, setting, nil]; [self.navigationController pushViewController:anotherViewController animated:YES]; [anotherViewController release];

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• Can you create a "superset" target in Xcode ?

  - by thrusty

  For the purposes of unit testing I'd like to create an iPhone project target in Xcode that includes all of the release application files, plus some additional files containing code useful for UI unit testing. I can do this by duplicating the original application target; however, the problem with this is that every time I add a new source file to the app target, I need to also add it to the UnitTestUI target. It's not a big deal, just inconvenient to always remember to add files to both targets. Is there some way to set up a dependency so that every file added to the original app target is also auto added the unit test target?

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• Strategy for developing a multi function asp.net web application

  - by user247023

  I'm about to start a new project and want some advice on how to implement. I need a web application which contains a booking module for reserving timeslots, and a time management module which will enable employees to clock in / clock out. If I am writing an update to the time managment module, I don't want to disrupt the booking engine availability by releasing a new solution containing both modules. to make things more difficult, there is some shared functionality like common users, roles and security. Here's a suggestion I've gotten, which sounds a bit cruddy, but may be functional. Write a 'container' web application which consists of basically a frame, and authentication / security features. This then has links which, will load the 2 independantly built and released web applications into the frame. I can see that say, if I wanted to update the time management module, I would only need to build and release this separately, and the rest of the solution would be 'untouched' Any better alternatives?

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• iPhone SDK - keep data in modal view

  - by swalkner

  Hi all, I've got a modal view loaded the following way: ModalViewController *modalController = [[ModalViewController alloc] initWithNibName:@"ModalViewController" bundle:nil]; searchController.delegate = self; [self.navigationController presentModalViewController:modalController animated:YES]; [modalController release]; When the modal view appears, "viewDidLoad" is called. When I dismiss the modal view via [self.navigationController dismissModalViewControllerAnimated:YES]; the method "viewDidUnload" ISN'T called, but the next time I let the modal view appear, "viewDidLoad" is called again. My problem now is that I'm creating an NSArray in the modal view's "viewDidLoad" - and as I'm fetching the data from the web, I would like to do it only once. But this way, it's fetched every time... Any hints how I could achieve that the data is only fetched once? I would really like to do it in the modal view and not in the parent and provide the array as parameter to the modal view... Thanks!

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• Xcode iphone sdk - Searching in UITableView, different pattern matching

  - by Lorenzo

  Hi everyone, I'm coding a UITableView with a UISearchBar to search between a list of cities (loaded in the uitableview) Here is my code for searhing: - (void) searchTableView { NSString *searchText = searchBar.text; NSMutableArray *searchArray = [[NSMutableArray alloc] init]; for (NSDictionary *dictionary in listOfItems) { NSArray *array = [dictionary objectForKey:@"Cities"]; [searchArray addObjectsFromArray:array]; } for (NSString *sTemp in searchArray) { NSRange titleResultsRange = [sTemp rangeOfString:searchText options:NSCaseInsensitiveSearch]; if (titleResultsRange.length > 0) [copyListOfItems addObject:sTemp]; } [searchArray release]; searchArray = nil;} And with this everything works fine, but i need to do something a bit different. I need to search only between items that match pattern Word* and not * Word *. For example if I search "roma", this need to match just with "Roma" or "Romania" and not with "Castelli di Roma". Is that possible with this searchbar? How can i modify this? Thanks

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• Visual Studio 2010: Publish minified javascript files instead of the original ones

  - by salgiza

  I have a Scripts folder, that includes all the .js files used in the project. Using the Ajax Minifier task, I generate .min.js files for each one. Depending on whether the application is running in debug or release mode, I include the original .js file, or the minified one. The Scripts folder looks like this: Scripts/script1.js Scripts/script1.min.js // Outside the project, generated automatically on build Scripts/script2.js Scripts/script2.min.js // Outside the project, generated automatically on build The .min.js files are outside the project (although in the same folder as the original files), and they are not copied into the destination folder when we publish the project. I have no experience whatsoever using build tasks (well, apart from including the minifier task), so I would appreciate if anyone could advise me as to which would be the correct way to: Copy the .min.js files to the destination folder when I publish the app from Visual Studio. Delete / Not copy the original js files (this is not vital, but I'd rather not copy files that will not be used in the app). Thanks,

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• What's the best way to access Neo4j from Django?

  - by abdel

  it seems that i found something that let me confused; i've found two Neo4j to download to python, the first one is: http://pypi.python.org/pypi/neo4j-embedded and the second one is: https://svn.neo4j.org/components/neo4j.py/trunk/ what's the difference between the two? the first one seems to be big (size), so does this mean that if i use it i'll not need the neo4j community release (milestone)? when i've installed the first one, and tried to test a django example, it seems that the directory named "model" https://svn.neo4j.org/components/neo4j.py/trunk/src/main/python/neo4j/model/ is missing? so what's the difference, and who will be better to use with Django? and what about that one? http://pypi.python.org/pypi/neo4django/

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• What are some good ways to promote my Android application?

  - by Bryan Denny

  I'm a new Android developer and I just released a free, open source tipping calculator app called Tippy Tipper. I created this app to get myself familiar with Android and to hopefully provide a good example app for other new developers to look at. Now that I've overcome the challenges of learning how to program, test and release my Android app, I've come across a new challenge: marketing! What are some good ways to promote my app to the Android community? Can anyone with some experience talk about how they did this successfully with their own app?

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• Xcodebuild failing to pick up environment values from project file?

  - by egrunin

  I'm using Xcode 3.2.6, MacOSX. I have a globally visible environment setting: ICU_SRC=~/Documents/icu/source This really is an environment setting, it's set at login time. When I open up Terminal, it's there. In my project, under Header Search Paths I've added this: $(ICU_SRC)/i18n $(ICU_SRC)/common These expand correctly when I compile inside the IDE. When I look at the build results, I see this: -I/Users/eric.grunin/Documents/icu/source/i18n -I/Users/eric.grunin/Documents/icu/source/common When I build from the command line, however, it fails. What I see is this: -I/i18n -I/common Here's the command I'm using to compile: /usr/bin/env -i xcodebuild -project my_project.xcodeproj -target "my_program" -configuration Release -sdk macosx10.6 build What am I doing wrong? Edited to add: Apple explains Setting environment variables for user processes

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• How to use Git properly with XCode?

  - by rickharrison

  I have been an iphone developer for a while, and I have recently been including git in my workflow. I have used git settings found on http://shanesbrain.net/2008/7/9/using-xcode-with-git for my workflow so far. Those settings tell git to exclude *.pbxproj from merges? Is there a real reason for doing this? For example, when I add a file to the project and push to origin, my fellow developers will not have that file added to their xcode project when they pull. Then if one of them builds a release this file may not be included. Shouldn't I just let git handle the merges for the project file? Could someone please explain why or why not this file should be in merges and how to properly handle the situation when files are added to the project. Thanks.

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• Can I create a new project based on an abandoned one licenced under GNU GPL v2?

  - by Jared Pearson

  I've found a SourceForge project with a solid core that I would like to improve. The project hasn't been updated since 2007 so I assume it is "dead". I sent an e-mail asking to become a contributor to the listed project manager last week but still haven't received a response. The project is licensed under the GNU GPL v2. I would like to contribute to the current project but that doesn't appear to be possible. Can I modify the current source version of the project and release this modified project? I would keep the same license on the modified project.

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• Are memory barriers necessary for atomic reference counting shared immutable data?

  - by Dietrich Epp

  I have some immutable data structures that I would like to manage using reference counts, sharing them across threads on an SMP system. Here's what the release code looks like: void avocado_release(struct avocado *p) { if (atomic_dec(p->refcount) == 0) { free(p->pit); free(p->juicy_innards); free(p); } } Does atomic_dec need a memory barrier in it? If so, what kind of memory barrier? Additional notes: The application must run on PowerPC and x86, so any processor-specific information is welcomed. I already know about the GCC atomic builtins. As for immutability, the refcount is the only field that changes over the duration of the object.

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• How can I optimize MVC and IIS pipeline to obtain higher speed?

  - by Andy

  Hi, I am doing performance tweaking of a simple app that uses MVC on IIS 7.5. I have a StopWatch starting up in Application_BeginRequest and I take a snapshot at Controller.OnActionExecuting. So I measure the time spend in the entire IIS pipeline: from request receipt to the moment execution finally gets to my controller. I obtain 700 microseconds on my 3GHz quad-core (project compiled Release x64), and I wonder where the bottleneck is, especially hearing some people say that one can get up to 8000 page loads per second with MVC. How can I optimize MVC and IIS pipeline to obtain higher speed?

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• Windows/C++: Is it possible to find the line of code where exception was thrown having "Exception Of

  - by Pavel

  One of our users having an Exception on our product startup. She has sent us the following error message from Windows: Problem Event Name: APPCRASH Application Name: program.exe Application Version: 1.0.0.1 Application Timestamp: 4ba62004 Fault Module Name: agcutils.dll Fault Module Version: 1.0.0.1 Fault Module Timestamp: 48dbd973 Exception Code: c0000005 Exception Offset: 000038d7 OS Version: 6.0.6002.2.2.0.768.2 Locale ID: 1033 Additional Information 1: 381d Additional Information 2: fdf78cd6110fd6ff90e9fff3d6ab377d Additional Information 3: b2df Additional Information 4: a3da65b92a4f9b2faa205d199b0aa9ef Is it possible to locate the exact place in the source code where the exception has occured having this information? What is the common technique for C++ programmers on Windows to locate the place of an error that has occured on user computer? Our project is compiled with Release configuration, PDB file is generated. I hope my question is not too naive.

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• Java source code generation frameworks

  - by Superfilin

  I have a set of Java 5 source files with old-style Doclet tags, comments and annotations. And based on that I would like to write a generator for another set of Java classes. What is the best way to do that? And are there any good standalone libraries for code analysis/generation in Java? Any shared exprience in this field is appreciated. So, far I have found these: JaxME's Java Source Reflection - seems good, but it does not seem to support annotations. Also it had no release since 2006. Annogen - uses JDK's Doclet generator, which has some bugs under 1.5 JDK. Also it had no releases for a long time. Javaparser - seems good as well and pretty recent, but only supports Visitor pattern for a single class i.e. no query mechanism like in the 2 above packages.

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• Python: mysqldb install error

  - by Grenko

  So i've been pulling my hair out trying to install the mysqldb package. When i run the build i get a long transcript of errors, heres just part of it, i would posit it all but its huge list of errors [rv@med240-183 MySQL-python-1.2.3c1]$ sudo python setup.py build [sudo] password for rv: running build running build_py copying MySQLdb/release.py -> build/lib.linux-i686-2.6/MySQLdb running build_ext building '_mysql' extension gcc -pthread -fno-strict-aliasing -DNDEBUG -O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i586 -mtune=generic -fasynchronous-unwind-tables -D_GNU_SOURCE -fPIC -fPIC -Dversion_info=(1,2,3,'gamma',1) -D__version__=1.2.3c1 -I/usr/include/mysql -I/usr/include/python2.6 -c _mysql.c -o build/temp.linux-i686-2.6/_mysql.o -g -pipe -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -fasynchronous-unwind-tables -D_GNU_SOURCE -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -fno-strict-aliasing -fwrapv -fPIC -DUNIV_LINUX _mysql.c:36:23: error: my_config.h: No such file or directory _mysql.c:38:19: error: mysql.h: No such file or directory Any ideas?

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• Spring 3 MVC - Does Anything Just Work? Very Simple Use Case Not Working

  - by jboyd

  index.jsp ... <h1> ${myobject} </h1> ... HomeController.java @RequestMapping(value = "/index") public ModelAndView indexPath() { System.out.println("going home"); return new ModelAndView("index", "myobject", "isastring"); } Output: going home The <h1> on index doesn't show anything, how is this even possible? I absolutely cannot get my index.jsp to show this bean, I've tried using a usebean, I've tried storing it on the session, and now I'm directly placing it in the model. Nothing works. Spring 3 has been like every other spring release, intensely frustrating.

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