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• what persistence layer (xml or mysql) should i use for this xml data?

  - by fayer

  i wonder how i could store a xml structure in a persistence layer. cause the relational data looks like: <entity id="1000070"> <name>apple</name> <entities> <entity id="7002870"> <name>mac</name> <entities> <entity id="7002907"> <name>leopard</name> <entities> <entity id="7024080"> <name>safari</name> </entity> <entity id="7024701"> <name>finder</name> </entity> </entities> </entity> </entities> </entity> <entity id="7024080"> <name>iphone</name> <entities> <entity id="7024080"> <name>3g</name> </entity> <entity id="7024701"> <name>3gs</name> </entity> </entities> </entity> <entity id="7024080"> <name>ipad</name> </entity> </entities> </entity> as you can see, it has no static structure but a dynamical one. mac got 2 descendant levels while iphone got 1 and ipad got 0. i wonder how i could store this data the best way? what are my options. cause it seems impossible to store it in a mysql database due to this dynamical structure. is the only way to store it as a xml file then? is the speed of getting information (xpath/xquery/simplexml) from a xml file worse or greater than from mysql? what are the pros and cons? do i have other options? is storing information in xml files, suited for a lot of users accessing it at the same time? would be great with feedbacks!! thanks! EDIT: now i noticed that i could use something called xml database to store xml data. could someone shed a light on this issue? cause apparently its not as simple as just store data in a xml file?

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• xts error - order.by requires an appropriate time-based object

  - by Samo

  I can not resolve why error in simple creation of xts object xts(rep(0, NROW(TICK.NYSE)), order.by = index(TICK.NYSE)) Error in xts(rep(0, NROW(TICK.NYSE)), order.by = index(TICK.NYSE)) : order.by requires an appropriate time-based object appeared while this was working perfectly 14 days ago when I last used the same code (since then the only difference is that TICK.NYSE grow in length since data was added since then). More details below: > Sys.getenv("TZ") [1] "EST" > tail(xts(rep(0, NROW(TICK.NYSE)), order.by = index(TICK.NYSE))) Error in xts(rep(0, NROW(TICK.NYSE)), order.by = index(TICK.NYSE)) : order.by requires an appropriate time-based object > class(index(TICK.NYSE["T09:30/T09:31"])) [1] "POSIXct" > tail(xts(rep(0, NROW(tail(TICK.NYSE))), order.by = index(tail(TICK.NYSE)))) Error in xts(rep(0, NROW(tail(TICK.NYSE))), order.by = index(tail(TICK.NYSE))) : order.by requires an appropriate time-based object > tail(TICK.NYSE) TICK-NYSE.Open TICK-NYSE.High TICK-NYSE.Low TICK-NYSE.Close 2012-03-15 14:54:00 -278 -89 -299 -89 2012-03-15 14:55:00 -89 427 -89 201 2012-03-15 14:56:00 201 318 30 234 2012-03-15 14:57:00 234 242 -222 -64 2012-03-15 14:58:00 -64 346 -82 346 2012-03-15 14:59:00 346 525 36 525 TICK-NYSE.Volume TICK-NYSE.WAP TICK-NYSE.hasGaps 2012-03-15 14:54:00 0 0 0 2012-03-15 14:55:00 0 0 0 2012-03-15 14:56:00 0 0 0 2012-03-15 14:57:00 0 0 0 2012-03-15 14:58:00 0 0 0 2012-03-15 14:59:00 0 0 0 TICK-NYSE.Count 2012-03-15 14:54:00 31 2012-03-15 14:55:00 31 2012-03-15 14:56:00 31 2012-03-15 14:57:00 31 2012-03-15 14:58:00 29 2012-03-15 14:59:00 30 > str(TICK.NYSE) An ‘xts’ object from 2011-01-18 09:30:00 to 2012-03-15 14:59:00 containing: Data: num [1:114090, 1:8] -5 -144 24 -148 -184 -77 20 121 111 -60 ... - attr(*, "dimnames")=List of 2 ..$ : NULL ..$ : chr [1:8] "TICK-NYSE.Open" "TICK-NYSE.High" "TICK-NYSE.Low" "TICK-NYSE.Close" ... Indexed by objects of class: [POSIXct,POSIXt] TZ: xts Attributes: List of 4 $ from : chr "20110119 23:59:59" $ to : chr "20110124 23:59:59" $ src : chr "IB" $ updated: POSIXct[1:1], format: "2012-01-19 02:34:52" > str(index(TICK.NYSE)) Class 'POSIXct' atomic [1:114090] 1.3e+09 1.3e+09 1.3e+09 1.3e+09 1.3e+09 ... ..- attr(*, "tzone")= chr "" ..- attr(*, "tclass")= chr [1:2] "POSIXct" "POSIXt" > Sys.getenv("TZ") [1] "EST" > tail(index(TICK.NYSE)) [1] "2012-03-15 14:54:00 EST" "2012-03-15 14:55:00 EST" [3] "2012-03-15 14:56:00 EST" "2012-03-15 14:57:00 EST" [5] "2012-03-15 14:58:00 EST" "2012-03-15 14:59:00 EST" > head(index(TICK.NYSE)) [1] "2011-01-18 09:30:00 EST" "2011-01-18 09:31:00 EST" [3] "2011-01-18 09:32:00 EST" "2011-01-18 09:33:00 EST" [5] "2011-01-18 09:34:00 EST" "2011-01-18 09:35:00 EST" > Sys.info() sysname "Linux" release "3.0.0-16-generic" version "#28-Ubuntu SMP Fri Jan 27 17:44:39 UTC 2012" > sessionInfo() R version 2.14.1 (2011-12-22) Platform: x86_64-pc-linux-gnu (64-bit) locale: [1] LC_CTYPE=en_US.UTF-8 LC_NUMERIC=C [3] LC_TIME=en_US.UTF-8 LC_COLLATE=en_US.UTF-8 [5] LC_MONETARY=en_US.UTF-8 LC_MESSAGES=en_US.UTF-8 [7] LC_PAPER=en_US.UTF-8 LC_NAME=en_US.UTF-8 [9] LC_ADDRESS=en_US.UTF-8 LC_TELEPHONE=en_US.UTF-8 [11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=en_US.UTF-8 attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] lattice_0.20-0 multicore_0.1-7 [3] doSNOW_1.0.5 snow_0.3-8 [5] doRedis_1.0.4 rredis_1.6.3 [7] foreach_1.3.2 codetools_0.2-8 [9] iterators_1.0.5 PerformanceAnalytics_1.0.3.3 [11] quantstrat_0.6.1 blotter_0.8.4 [13] twsInstrument_1.3-3 FinancialInstrument_0.10.6 [15] IBrokers_0.9-6 quantmod_0.3-18 [17] TTR_0.21-0 xts_0.8-4 [19] Defaults_1.1-1 strucchange_1.4-6 [21] sandwich_2.2-8 zoo_1.7-7 [23] rj_1.0.2-5 loaded via a namespace (and not attached): [1] grid_2.14.1 tools_2.14.1 > dput(tail(TICK.NYSE)) structure(c(-385, -213, -42, -334, -233, -111, -121, 20, -14, -125, -73, 265, -583, -269, -426, -520, -443, -440, -213, -42, -334, -233, -111, 119, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, 31, 30, 30, 31, 31), class = c("xts", "zoo" ), .indexCLASS = c("POSIXct", "POSIXt"), .indexTZ = "", from = "20110119 23:59:59", to = "20110124 23:59:59", src = "IB", updated = structure(1326958492.96405, class = c("POSIXct", "POSIXt")), index = structure(c(1331927640, 1331927700, 1331927760, 1331927820, 1331927880, 1331927940), tzone = "", tclass = c("POSIXct", "POSIXt")), .Dim = c(6L, 8L), .Dimnames = list(NULL, c("TICK-NYSE.Open", "TICK-NYSE.High", "TICK-NYSE.Low", "TICK-NYSE.Close", "TICK-NYSE.Volume", "TICK-NYSE.WAP", "TICK-NYSE.hasGaps", "TICK-NYSE.Count")))

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• referencing part of the composite primary key

  - by Zavael

  I have problems with setting the reference on database table. I have following structure: CREATE TABLE club( id INTEGER NOT NULL, name_short VARCHAR(30), name_full VARCHAR(70) NOT NULL ); CREATE UNIQUE INDEX club_uix ON club(id); ALTER TABLE club ADD CONSTRAINT club_pk PRIMARY KEY (id); CREATE TABLE team( id INTEGER NOT NULL, club_id INTEGER NOT NULL, team_name VARCHAR(30) ); CREATE UNIQUE INDEX team_uix ON team(id, club_id); ALTER TABLE team ADD CONSTRAINT team_pk PRIMARY KEY (id, club_id); ALTER TABLE team ADD FOREIGN KEY (club_id) REFERENCES club(id); CREATE TABLE person( id INTEGER NOT NULL, first_name VARCHAR(20), last_name VARCHAR(20) NOT NULL ); CREATE UNIQUE INDEX person_uix ON person(id); ALTER TABLE person ADD PRIMARY KEY (id); CREATE TABLE contract( person_id INTEGER NOT NULL, club_id INTEGER NOT NULL, wage INTEGER ); CREATE UNIQUE INDEX contract_uix on contract(person_id); ALTER TABLE contract ADD CONSTRAINT contract_pk PRIMARY KEY (person_id); ALTER TABLE contract ADD FOREIGN KEY (club_id) REFERENCES club(id); ALTER TABLE contract ADD FOREIGN KEY (person_id) REFERENCES person(id); CREATE TABLE player( person_id INTEGER NOT NULL, team_id INTEGER, height SMALLINT, weight SMALLINT ); CREATE UNIQUE INDEX player_uix on player(person_id); ALTER TABLE player ADD CONSTRAINT player_pk PRIMARY KEY (person_id); ALTER TABLE player ADD FOREIGN KEY (person_id) REFERENCES person(id); -- ALTER TABLE player ADD FOREIGN KEY (team_id) REFERENCES team(id); --this is not working It gives me this error: Error code -5529, SQL state 42529: a UNIQUE constraint does not exist on referenced columns: TEAM in statement [ALTER TABLE player ADD FOREIGN KEY (team_id) REFERENCES team(id)] As you can see, team table has composite primary key (club_id + id), the person references club through contract. Person has some common attributes for player and other staff types. One club can have multiple teams. Employed person has to have a contract with a club. Player (is the specification of person) - if emplyed - can be assigned to one of the club's teams. Is there better way to design my structure? I thought about excluding the club_id from team's primary key, but I would like to know if this is the only way. Thanks. UPDATE 1 I would like to have the id as team identification only within the club, so multiple teams can have equal id as long as they belong to different clubs. Is it possible? UPDATE 2 updated the naming convention as adviced by philip Some business rules to better understand the structure: One club can have 1..n teams (Main squad, Reserve squad, Youth squad or Team A, Team B... only team can play match, not club) One team belongs to one club only A player is type of person (other types (staff) are scouts, coaches etc so they do not need to belong to specific team, just to the club, if employed) Person can have 0..1 contract with 1 club (that means he is employed or unemployed) Player (if employed) belongs to one team of the club Now thinking about it - moving team_id from player to contract would solve my problem, and it could hold the condition "Player (if employed) belongs to one team of the club", but it would be redundant for other staff types. What do you think?

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• A valid provisioning profile for this executable was not found

  - by munchine

  I'm trying to debug my first app on the device and got this error message, A valid provisioning profile for this executable was not found. I've gone thru the Apple manuals, checked SO and other sites but cannot work out what I've done wrong? This is what I've done so far. Got my provisioning profile. I check Organizer and it's there, plus it shows that it is installed on my iPhone (green button). My profile is in ~/library/MobileDevice/Provisioning Profiles My certificate is in Keychain Access In Xcode I have have the Project Info showing the Entitlements correctly. The Code Signing Identity matches what's in Keychain. I've set the Target Info to be the same as Project Info. Have I done something inconsistently?

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• Sphinx Error Unknow directive type "automodule" or "autoclass"

  - by user1130381

  I need document my python project using Sphinx. But I can't use autodoc. When I config my project I select the option "extension autodoc", but now if I use .. autoclass:: Class, I have a ERROR: ERROR: Unknown directive type "autoclass" I configure the PYTHONPATH, and now it's good. But I already have this problem. My index file is: .. ATOM documentation master file, created by sphinx-quickstart on Thu Nov 22 15:24:42 2012. You can adapt this file completely to your liking, but it should at least contain the root toctree directive. Welcome to ATOM's documentation! Contents: .. toctree:: :maxdepth: 2 .. automodule:: atom Indices and tables :ref:genindex :ref:modindex :ref:search Thank you, I need that someone say me how I find the problem, or how i can fix this! Sorry for my English, I start now to learn English.

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• Why is Git telling me "Your branch is ahead of 'origin/master' by 11 commits." and how do I get it t

  - by spilth

  I'm a Git newbie. I recently moved a Rails project from Subversion to Git. I followed the tutorial here: http://www.simplisticcomplexity.com/2008/03/05/cleanly-migrate-your-subversion-repository-to-a-git-repository/ I am also using unfuddle.com to store my code. I make changes on my Mac laptop on the train to/from work and then push them to unfuddle when I have a network connection using the following command: git push unfuddle master I use Capistrano for deployments and pull code from the unfuddle repository using the master branch. Lately I've noticed the following message when I run "git status" on my laptop: # On branch master # Your branch is ahead of 'origin/master' by 11 commits. # nothing to commit (working directory clean) And I'm confused as to why. I thought my laptop was the origin... but don't know if either the fact that I originally pulled from Subversion or push to Unfuddle is what's causing the message to show up. How can I: Find out where Git thinks 'origin/master' is? If it's somewhere else, how do I turn my laptop into the 'origin/master'? Get this message to go away. It makes me think Git is unhappy about something. My mac is running Git version 1.6.0.1. When I run git remote show origin as suggested by dbr, I get the following: ~/Projects/GeekFor/geekfor 10:47 AM $ git remote show origin fatal: '/Users/brian/Projects/GeekFor/gf/.git': unable to chdir or not a git archive fatal: The remote end hung up unexpectedly When I run git remote -v as suggested by Aristotle Pagaltzis, I get the following: ~/Projects/GeekFor/geekfor 10:33 AM $ git remote -v origin /Users/brian/Projects/GeekFor/gf/.git unfuddle [email protected]:spilth/geekfor.git Now, interestingly, I'm working on my project in the geekfor directory but it says my origin is my local machine in the gf directory. I believe gf was the temporary directory I used when converting my project from Subversion to Git and probably where I pushed to unfuddle from. Then I believe I checked out a fresh copy from unfuddle to the geekfor directory. So it looks like I should follow dbr's advice and do: git remote rm origin git remote add origin [email protected]:spilth/geekfor.git

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• Maven 3 - duplicate declaration of version

  - by Taylor Leese

  I just upgraded to m2eclipse version 0.10 which includes an embedded Maven 3 and I'm now getting the following error when trying to run a build. I've already set Maven-Installations to my Maven 2 installation, but it had no effect. How do I resolve this? [INFO] Scanning for projects... [ERROR] The build could not read 1 project -> [Help 1] [ERROR] The project com.stuff:sutff-web:0.0.1-SNAPSHOT (C:\development\taylor\stuff\pom.xml) has 1 error [ERROR] 'dependencies.dependency.(groupId:artifactId:type:classifier)' must be unique: com.google.appengine:appengine-api-labs:jar -> duplicate declaration of version ${gae.version} [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/ProjectBuildingException

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• Why is HttpClient's GetStringAsync is unbelivable slow?

  - by Jason94

  I have a Windows Phone 8 project where I've taken to use the PCL (Portable Class Library) project too since I'm going to build a Win8 app to. However, while calling my api (in Azure) my HttpClient's GetStringAsync is so slow. I threw in a couple of debugs with datetime and GetStringAsync took like 14 seconds! And sometimes it takes longer. What I'm doing is retrieving simple JSON from my Azure API site. My Android client has no problem with getting that same data in a split second... so is there something I'm missing? The setup is pretty straight forward: HttpClient client = new HttpClient(); client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json")); client.DefaultRequestHeaders.Add("X-Token", "something"); string responseJSON = await client.GetStringAsync("url"); I've places the debug times right before and after the await there, in between it is 14 seconds! Does someone know why?

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• CS1685 Warning causes a CS0433 error when targeting 3.5 in VS2010

  - by Adam Driscoll

  I have a 2010 project that is targeting .NET v3.5. It was working fine until I started to mess with configurations a bit and now I cannot figure out what I'm doing wrong. The project doesn't have ANY references added. It won't even let me add a reference to System.Core as it is added by the 'build system'. warning CS1685: The predefined type 'System.Func' is defined in multiple assemblies in the global alias; using definition from 'c:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorlib.dll' IFilter.cs(82,49): error CS0433: The type 'System.Func' exists in both 'c:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\v3.5\System.Core.dll' and 'c:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorlib.dll' Looks like something is grabbing onto 4.0 but I'm not quite sure how to fix it. Any one else run into this?

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• ASP.Net Authentication with MVC2--how to integrate with DB?

  - by alchemical

  I'm trying to understand the authentication section sample project that opens in a new MVC2 project in VS2010. It essentially lets you register, login, etc. I looked through the code that implements this briefly, it looked fairly complicated. (10 tables, 40 sprocs, 10 views, 4 models, 1 model, 1 controller, etc.) Is it best to utilize this provided framework for authentication? If so, how would I integrate this with my own database models (which has user and role tables, etc.). Also, if I use their framework, are there any performance issues at higher traffic volumes (like SO for example), do I need to become responsible for maintaining the authentication DB as well in this case?

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• fftw in Visual Studio?

  - by drhorrible

  I'm trying to link my project with fftw and so far, I've gotten it to compile, but not link. As the site said, I generated all the .lib files (even though I'm only using double precision), and copied them to C:\Program Files\Microsoft Visual Studio 9.0\VC\lib, the .h file to C:\Program Files\Microsoft Visual Studio 9.0\VC\include and the .dll to C:\windows\system32. I've copied the tutorial program, and the exact error I am getting is: 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_free referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_destroy_plan referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_execute referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_plan_dft_1d referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) 1>hw10.obj : error LNK2019: unresolved external symbol __imp__fftw_malloc referenced in function "bool __cdecl test(void)" (?test@@YA_NXZ) So, what could be wrong with my project setup? Thanks!

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• Android Device Chooser -- device not showing up

  - by mportiz08

  I'm using the android plugin for eclipse, and when I try to run my program using a real device through the android device chooser, my phone is not listed as a device. I have updated eclipse and all of the android packages, but it still isn't showing up. My phone is running 1.6, which is also the target version listed in the eclipse project. Also, the reason I decided to try testing on a real device is because the emulator doesn't seem to be working right anymore when I run my project. The emulator launches, but the program never does. Any ideas? (using windows 7/t-mobile mytouch 3g)

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• warning BC40056: Namespace or type specified in the Imports 'MS.Internal.Xaml.Builtins' doesn't cont

  - by Heinzi

  I have a WPF VB.NET project in Visual Studio 2008. For some reason, Visual Studio thinks that it needs to add an Imports MS.Internal.Xaml.Builtins to every auto-generated XAML partial class (= the nameOfXamlFile.g.vb files), resulting in the following warning: warning BC40056: Namespace or type specified in the Imports 'MS.Internal.Xaml.Builtins' doesn't contain any public member or cannot be found. Make sure the namespace or the type is defined and contains at least one public member. Make sure the imported element name doesn't use any aliases. I can remove the Imports line, but, since this is an auto-generated file, it reappears every time that the project is rebuilt. This warning message is annoying and clutters my error list. Is ther something that can be done about it? Or is it a known bug?

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• Visual studio 2008 problem

  - by Thomas Manalil

  i am using visual studio team system 2008 and VSS 2005. I took a latest copy of a project from VSS. Now when i try to open that project, it is showing error "This version of visual studio does not support source control" and " Unexpected error enocountered. Restart the application Error : no such interfaces are supported File : vsee\internal\vscomptr.inl". When i open solution explorer, all projects are showing as unavailable. I tried VS--Tools--options-- source control--plugin selection and set plug in to Microsoft "Visual source safe" and when i open "Environment" tab it is showing "an error occured while loading this property page" Can someone help me???

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• WPF DataGrid AutoColumn generation via ICustomTypeDescriptor.

  - by panamack

  In a test project I've managed to AutoGenerate WPF DataGrid columns in the following scenario, where the data is stored in a Dictionary and binding is performed via PropertyDescriptors: public class People:List<Person>{ ... } public class Person:Dictionary<string,string>,INotifyPropertyChanged,ICustomTypeDescriptor { } The problem I'm having is in my real life project I'm using MVVM so it's *People*ViewModel which inherits ViewModelBase and hence can't inherit List<Person>. I've tried implementing IList<Person> instead with an internal List<Person> and explicitly setting the DataContext to an IList<Person> reference but that didn't work. I've seen a similar post on binding a win forms DataGridView here, so I'm wondering if the same sort of logic applies in WPF and primarily, what exactly causes the ICustomTypeDescriptor implementation to be picked up when inheriting List<T> that is missing when you simply implement IList<T> instead.

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• Can not execute Sonar

  - by senzacionale

  my pom.xml <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>RCC</groupId> <artifactId>tmp</artifactId> <name>tmp</name> <version>1.0</version> <build> <sourceDirectory>C:\Projekti\KIS\Model\src </sourceDirectory> <outputDirectory>C:\Projekti\KIS\Model\classes</outputDirectory> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <configuration> <source>1.5</source> <target>1.5</target> <excludes> <exclude>**/*.*</exclude> </excludes> </configuration> </plugin> </plugins> </build> <properties> <sonar.dynamicAnalysis>false</sonar.dynamicAnalysis> </properties> </project> running sonnar C:\Projekti\Metrics>mvn sonar:sonar -e + Error stacktraces are turned on. [INFO] Scanning for projects... [INFO] Searching repository for plugin with prefix: 'sonar'. [INFO] ------------------------------------------------------------------------ [INFO] Building tmp [INFO] task-segment: [sonar:sonar] (aggregator-style) [INFO] ------------------------------------------------------------------------ [INFO] [sonar:sonar {execution: default-cli}] [INFO] Sonar host: http://localhost:9000 [INFO] Sonar version: 2.1.2 [INFO] [sonar-core:internal {execution: default-internal}] [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Can not execute Sonar Embedded error: Can not analyze the project org.apache.derby.jdbc.ClientDriver [INFO] ------------------------------------------------------------------------ [INFO] Trace org.apache.maven.lifecycle.LifecycleExecutionException: Can not execute Sonar at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:719) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:569) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:539) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:284) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) at org.codehaus.classworlds.Launcher.main(Launcher.java:375) Caused by: org.apache.maven.plugin.MojoExecutionException: Can not execute Sonar at org.codehaus.mojo.sonar.Bootstraper.executeMojo(Bootstraper.java:87) at org.codehaus.mojo.sonar.Bootstraper.start(Bootstraper.java:65) at org.codehaus.mojo.sonar.SonarMojo.execute(SonarMojo.java:117) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490) at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694) ... 17 more Caused by: org.apache.maven.plugin.MojoExecutionException: Can not analyze the project at org.sonar.maven2.BatchMojo.executeBatch(BatchMojo.java:152) at org.sonar.maven2.BatchMojo.execute(BatchMojo.java:131) at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490) at org.codehaus.mojo.sonar.Bootstraper.executeMojo(Bootstraper.java:82) ... 21 more Caused by: org.picocontainer.PicoLifecycleException: PicoLifecycleException: method 'public void org.sonar.api.database.AbstractDatabaseConnector.start()', instance 'org.sonar.api.database.DriverDatabaseConnector@c87621, java.lang.RuntimeException: wrapper at org.picocontainer.monitors.NullComponentMonitor.lifecycleInvocationFailed(NullComponentMonitor.java:77) at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.monitorAndThrowReflectionLifecycleException(ReflectionLifecycleStrategy.java:132) at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.invokeMethod(ReflectionLifecycleStrategy.java:115) at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.start(ReflectionLifecycleStrategy.java:89) at org.picocontainer.injectors.AbstractInjectionFactory$LifecycleAdapter.start(AbstractInjectionFactory.java:84) at org.picocontainer.behaviors.AbstractBehavior.start(AbstractBehavior.java:169) at org.picocontainer.behaviors.Stored$RealComponentLifecycle.start(Stored.java:132) at org.picocontainer.behaviors.Stored.start(Stored.java:110) at org.picocontainer.DefaultPicoContainer.potentiallyStartAdapter(DefaultPicoContainer.java:996) at org.picocontainer.DefaultPicoContainer.startAdapters(DefaultPicoContainer.java:989) at org.picocontainer.DefaultPicoContainer.start(DefaultPicoContainer.java:746) at org.sonar.batch.AggregatorBatch.execute(AggregatorBatch.java:84) at org.sonar.maven2.BatchMojo.executeBatch(BatchMojo.java:149) ... 24 more Caused by: java.lang.RuntimeException: wrapper at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.monitorAndThrowReflectionLifecycleException(ReflectionLifecycleStrategy.java:130) ... 35 more Caused by: org.sonar.api.database.DatabaseException: Cannot open connection to database: SQL driver not found org.apache.derby.jdbc.ClientDriver at org.sonar.api.database.AbstractDatabaseConnector.testConnection(AbstractDatabaseConnector.java:182) at org.sonar.api.database.AbstractDatabaseConnector.start(AbstractDatabaseConnector.java:94) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:585) at org.picocontainer.lifecycle.ReflectionLifecycleStrategy.invokeMethod(ReflectionLifecycleStrategy.java:110) ... 34 more Caused by: java.sql.SQLException: SQL driver not found org.apache.derby.jdbc.ClientDriver at org.sonar.api.database.DriverDatabaseConnector.getConnection(DriverDatabaseConnector.java:70) at org.sonar.api.database.AbstractDatabaseConnector.testConnection(AbstractDatabaseConnector.java:178) ... 40 more Caused by: java.lang.ClassNotFoundException: org.apache.derby.jdbc.ClientDriver at java.net.URLClassLoader$1.run(URLClassLoader.java:200) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:188) at java.lang.ClassLoader.loadClass(ClassLoader.java:306) at org.codehaus.classworlds.RealmClassLoader.loadClassDirect(RealmClassLoader.java:195) at org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:255) at org.codehaus.classworlds.DefaultClassRealm.loadClass(DefaultClassRealm.java:274) at org.codehaus.classworlds.RealmClassLoader.loadClass(RealmClassLoader.java:214) at java.lang.ClassLoader.loadClass(ClassLoader.java:251) at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319) at java.lang.Class.forName0(Native Method) at java.lang.Class.forName(Class.java:164) at org.sonar.api.database.DriverDatabaseConnector.getConnection(DriverDatabaseConnector.java:68) ... 41 more [INFO] ------------------------------------------------------------------------ [INFO] Total time: 3 seconds [INFO] Finished at: Wed Jun 09 12:12:55 CEST 2010 [INFO] Final Memory: 12M/23M [INFO] ------------------------------------------------------------------------ any idea why not working Sonar with maven?

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• BuildManager.CreateInstanceFromVirtualPath ignores compiled code

  - by Vnuk

  This question is related to http://stackoverflow.com/questions/2158425/why-cant-i-publish-mvc-project I've replaced System.Web.MVC with its source version. After some debugging I pinpointed my problem to line 50 of WebFormViewEngine.cs: protected override bool FileExists(ControllerContext controllerContext, string virtualPath) { try { object viewInstance = BuildManager.CreateInstanceFromVirtualPath(virtualPath, typeof(object)); return viewInstance != null; } For reasons unknown to me, BuildManager.CreateInstanceFromVirtualPath tries to find masterpage.aspx.vb file which does not exist because MVC application is published. What makes BuildManager.CreateInstanceFromVirtualPath behave this way, and how to debug? I've tried this with new blank MVC project. After publishing it and stopping at above location, BuildManager.CreateInstanceFromVirtualPath creates an instance without trying to compile anything.

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• Visual Studio 2010 error: Type universe cannot resolve assembly

  - by dthrasher

  I've loaded a WPF project initially created in Visual Studio 2008 into Visual Studio 2010. The conversion process goes smoothly, but on certain XAML files the VS2010 designer throws several errors related to project references, including this one: System.Reflection.Adds.UnresolvedAssemblyException Type universe cannot resolve assembly: GalaSoft.MvvmLight, Version=3.0.0.31869, Culture=neutral, PublicKeyToken=3e875cdb3903c512. This assembly reference works just fine in the Expression Blend 4 designer, but not in VS2010. I can build and run the solution successfully. My solution targets the .Net Framework 3.5 SP1.

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• TDD - How to start really thinking TDD?

  - by user74825

  I have been reading about Agile, XP methodologies and TDDs. I have been in projects which states it needs to do TDD, but most of the tests are somehow integration tests or during the course of project TDD is forgotten in effort to finish codes faster. So, as far as my case goes, I have written unit tests, but I find myself going to start writing code first instead of writing a test. I feel there's a thought / design / paradigm change which is actually huge. So, though one really believes in TDD, you actually end up going back old style because of time pressure / project deliverables. I have few classes where I have pure unit tested code, but I can't seem to continue with the process, when mocks come into picture. Also, I see at times : "isn't it too trivial to write a test for it" syndrome. How do you guys think I should handle this?

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• Visual Studio 2010 localization resource files, how to add in strings automatically?

  - by JL

  I have a certain project that has a resource directory with a .resx for each language supported in the product. Right now I am adding these strings by hand using the visual studio 2010 IDE, but because there are a large number of strings, this manual management of these resources can get tricky, and something can easily get omitted in perhaps just 1 .resx file. Do you get a good resource addon for visual studio 2010, that will allow you to sync and validate a group of resx files? The built in functionality for handling resx seems the same as it was in 2008, and requires a lot of manual effort. I guess what would be nice would be to have the ability to define all resources in the main language, then have these strings carried across to the remaining languages automatically. Does such functionality exist? Even a good codeplex project perhaps?

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• Anyone know the state of cocoa#?

  - by Ira Rainey

  Having just updated Mono to 2.6.3 (on OS X), I noticed in the installer that cocoa# 0.9.5 is also installed. However using MonoDevelop there are no cocoa# project templates by default, and I was wondering if anyone knew more about creating cocoa# apps. If you goto the cocoa# page on the Mono site you can see it hasn't been updated since 2008, and cocoa-sharp.com has nothing on it at all now. Has this project fallen by the wayside? If so, does anyone know of any alternatives? Winforms apps running under X11 are butt ugly and GTK# isn't much better. To have a solid bridge between Mono and Cocoa would be ideal for developing OS X desktop apps, in the same way as the MonoTouch does with Cocoa Touch for the iPhone. Any thoughts?

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• MSDeploy, MSBuild and Continuous Integration

  - by stacker

  What steps need to be taken to deploy a website using Continuous Integration and NAnt. If I understand it correctly, this is the basic steps: Build the solution (.sln) with MSBuild. (I don't sure if this steps is required, I think that MSdeploy can build the project itself, but it's good step to be sure that the project is compile). Deploy the website. First we need to create the "build deployment package" files. Then we can deploy them. The question is how to get step #2 done.

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• Repository Pattern with Entity Framework 3.5 and MVVM

  - by Ravi

  I am developing a Database File System. I am using - .Net framework 3.5 Entity Framework 3.5 WPF with MVVM pattern The project spans across multiple assemblies each using same model. One assembly,let's call it a "server", only adds data to the database using EF i.e. same model.Other assemblies (including the UI) both reads and writes the data.The changes made by server should immediately reflect in other assemblies. The database contains self referencing tables where each entity can have single OR no parent and (may be) some children. I want to use repository pattern which can also provide some mechanism to handle this hierarchical nature. I have already done reading on this on Code Project. It shares the same context(entities) everywhere. My question is - Should I share the same context everywhere? What are the advantages and disadvantages of doing that?

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• Regarding Xcode SDK IOS 4.2 installation and missing iOS 4.1

  - by AstaIn enopi

  Hi All, i have download Xcode SDK 4.2(xcode_3.2.5_and_ios_sdk_4.2_final.dmg) from Apple developer site and installed successfully . when open my old xcode project it shows baseSDk missing ,when i try to change project setting ,i have found and set base SDk as 4.2 it works fine my problem is ,in Base SDk list it shows (iOS 2.1, iOS 2.2, iOS 2.2.1, iOS 3.0, iOS 3.1, iOS 3.1.2, iOS 3.1.3, iOS 4.2) There is no iOS 4.0 and iOS 4.1 (which i have used before 4.2). anything wrong in my installation???? Plz help me to correct my mistake Thanks in advance

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• Why won't OpenCV compile in NVCC?

  - by zenna

  Hi there I am trying to integrate CUDA and openCV in a project. Problem is openCV won't compile when NVCC is used, while a normal c++ project compiles just fine. This seems odd to me, as I thought NVCC passed all host code to the c/c++ compiler, in this case the visual studio compiler. The errors I get are? c:\opencv2.0\include\opencv\cxoperations.hpp(1137): error: no operator "=" matches these operands operand types are: const cv::Range = cv::Range c:\opencv2.0\include\opencv\cxoperations.hpp(2469): error: more than one instance of overloaded function "std::abs" matches the argument list: function "abs(long double)" function "abs(float)" function "abs(double)" function "abs(long)" function "abs(int)" argument types are: (ptrdiff_t) So my question is why the difference considering the same compiler (should be) is being used and secondly how I could remedy this.

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