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  • Strange Misleading Error[XML -2018/ AC-10006] when doing the R12 Cloning

    - by [email protected]
    During the recent Multi Node to Single Node R12 Clone, Encountered an strange error. When doing the database portion of the clone. Below command 'adclonectx.pl' creates the Context file perl adclonectx.pl contextfile=$ORACLE_HOME/appsutil/SOURCE_CONTEXT_FILE.xml template=$ORACLE_HOME/appsutil/template/adxdbctx.tmp pairsfile=$ORACLE_HOME/appsutil/clone/pairsfile.txt initialnode   When running the same command, It dumped the below error,   file:/tmp/tmpCtxClone.xml<Line 1, Column 1>: XML-20108: (Fatal Error) Start of root element expected. AC-10006: Exception - org.xml.sax.SAXParseException: file:/tmp/tmpCtxClone.xml<Line 1, Column 1>: XML-20108: (Fatal Error) Start of root element expected. thrown while creating OAVars object for file: /tmp/tmpCtxClone.xml The new database context file has been created :   /opt/oracle/product/11.1.0_IOFT/appsutil/IOFT_frws35ta.xml   At first site, I suspected that the issue is with format of the source xml file. Hence compared with the working XML file. Result is clean. Below portion of the error struck me Thrown while creating OAVars object for file: /tmp//dummy.xml   Cause : The /tmp is 100% full.   Fix: Either remove the old files in /tmp  directory  OR  export TEMP=/new/location where there is plenty of free space.

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  • Problem with WCF-SQL Adapter

    - by Paul Petrov
    When using WCF receive adapter with SQL binding in Polling mode please be aware of the following problem. Problem: At some regular but seemingly random intervals the application stops processing new requests, places a lock on the database and prevent other application from accessing it. Initially it looked like DTC issue, as it was distributed transaction that stalled most of the time. Symptoms: Orchestration instances in Dehydrated state, receive location not picking up new messages, exclusive locks on database tables, errors in DTC trace. Cause: Microsoft has confirmed that there is a bug in the WCF-SQL adapter. In the receive adapter binding configuration there's receiveTimeout property set to 10 minutes by default. If during this period data is not found in the table the adapter would start new thread and allocate more memory without releasing old resources. Thus if there's no new data in the table for a long time a new thread will be created in the host instance every 10 minutes until it reaches threshold (1000) and then there's no threads left for this host instance and it can't start/complete any tasks. Then this host instance won't be able to do anything. If other artifacts are hosted in the instance they will suffer consequences as well. Solution: - Set receiveTimeout to the maximum time 24.20:31:23.6470000. - Place WCF-SQL receive locations in separate host to provide its own thread pool and eliminate impact on other processes - Ensure WCF-SQL dedicated host instances are restarted at interval less or equal to receiveTimeout to flush threads and memory - Monitor performance counters Process/Thread Count/BTSNTSvc{n} for thread count trend and respond to alert if it grows by restarting host instance If you use WCF-SQL Adapter in the Notification mode then make sure to remove sqlAdapterInboundTransactionBehavior otherwise this location will exhibit the same issue. In this case though, setting receiveTimeout doesn't help and new thread will be created at default intervals (10 min) ignoring maximum setting.

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  • Dynamic real-time pathfinding with C# and unity

    - by Yakri
    A buddy and I are working on a simple 2D top down arena combat game similar to OpenGLAD (grew up on ye olde GLADIATOR). Thing is, we want to make some substantial deviation from our source of inspiration, including completely destructible/changeable terrain. Like rivers that can be frozen, walls which can be knocked down, etc. As well as letting players and NPC's build new terrain objects, some of which cannot be moved through or seen through. So I'm tasked with creating the AI, starting with pathfinding. Because of all the changeable terrain, we need something that can check to see if the player/other NPC's are in line of sight, and which can then check to find current paths around existing terrain, without getting completely confused by new terrain popping up, and old terrain vanishing, and even capable of breaking through terrain. A lot of that will just be filling in the framework of the feature, but I really just don't know where to start. What I'm really looking for are relevant websites, books, articles, or keywords to google. I just can't quite find a direction to start in, because most pathfinding types we've googled up just won't give us even the most basic level of robustness we need.

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  • SSMS Tools Pack 1.9.3 is out!

    - by Mladen Prajdic
    This release adds a great new feature and fixes a few bugs. The new feature called Window Content History saves the whole text in all all opened SQL windows every N minutes with the default being 30 minutes. This feature fixes the shortcoming of the Query Execution History which is saved only when the query is run. If you're working on a large script and never execute it, the existing Query Execution History wouldn't save it. By contrast the Window Content History saves everything in a .sql file so you can even open it in your SSMS. The Query Execution History and Window Content History files are correlated by the same directory and file name so when you search through the Query Execution History you get to see the whole saved Window Content History for that query. Because Window Content History saves data in simple searchable .sql files there isn't a special search editor built in. It is turned ON by default but despite the built in optimizations for space minimization, be careful to not let it fill your disk. You can see how it looks in the pictures in the feature list. The fixed bugs are: SSMS 2008 R2 slowness reported by few people. An object explorer context menu bug where it showed multiple SSMS Tools entries and showed wrong entries for a node. A datagrid bug in SQL snippets. Ability to read illegal XML characters from log files. Fixed the upper limit bug of a saved history text to 5 MB. A bug when searching through result sets prevents search. A bug with Text formatting erroring out for certain scripts. A bug with finding servers where it would return null even though servers existed. Run custom scripts objects had a bug where |SchemaName| didn't display the correct table schema for columns. This is fixed. Also |NodeName| and |ObjectName| values now show the same thing.   You can download the new version 1.9.3 here. Enjoy it!

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  • Pygame surfaces and their Rects

    - by Jaka Novak
    I am trying to understand how pygame surfaces work. I am confused about Rect position of Surface object. If I try blit surface on screen at some position then Surface is drawn at right position, but Rect of the surface is still at position (0, 0)... I tried write my own surface class with new rect, but i am not sure if is that right solution. My goal is that i could move surface like image with rect.move() or something like that. If there is any solution to do that i would be happy to read it. Thanks for answer and time for reading this awful English If helps i write some code for better understanding my problem. (run it first, and then uncomment two lines of code and run again to see the diference): import pygame from pygame.locals import * class SurfaceR(pygame.Surface): def __init__(self, size, position): pygame.Surface.__init__(self, size) self.rect = pygame.Rect(position, size) self.position = position self.size = size def get_rect(self): return self.rect def main(): pygame.init() screen = pygame.display.set_mode((640, 480)) pygame.display.set_caption("Screen!?") clock = pygame.time.Clock() fps = 30 white = (255, 255, 255) red = (255, 0, 0) green = (0, 255, 0) blue = (0, 0, 255) surface = pygame.Surface((70,200)) surface.fill(red) surface_re = SurfaceR((300, 50), (100, 300)) surface_re.fill(blue) while True: for event in pygame.event.get(): if event.type == QUIT: return 0 screen.blit(surface, (100,50)) screen.blit(surface_re, surface_re.position) #pygame.draw.rect(screen, white, surface.get_rect()) #pygame.draw.rect(screen, white, surface_re.get_rect()) pygame.display.update() clock.tick(fps) if __name__ == "__main__": main()

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  • Dynamically changing DVT Graph at Runtime

    - by mona.rakibe(at)oracle.com
    I recently came across this requirement where the customer wanted to change the graph type at run-time based on some selection. After some internal discussions we realized this can be best achieved by using af:switcher to toggle between multiple graphs. In this blog I will be sharing the sample that I build to demonstrate this.[Note] : In the below sample, every-time user changes graph type there is a server trip, so please use this approach with performance implications in mind.This sample can be downloaded  from DynamicGraph.zipSet-up: Create a BAM data control using employees DO (sample)(Refer this entry)Steps:Create the View Create a new JSF page .From component palette drag and drop "Select One Radio" into this page Enter some Label and click "Finish"In Property Editor set the "AutoSubmit" property to trueNow drag and drop "Switcher" from components into this page.In the Structure pane select the af:switcher right click and surround with "PanelGroupLayout"In Property Editor set the "PartialTriggers"  property of PanelGroupLayout to the id of af:selectOneRadioAgain in the Structure pane select the af:switcher right click and select "Insert inside af:switcher->facet"Enter Facet name (ex: pie)Again in the Structure pane select the af:switcher right click and select "Insert inside af:switcher->facet" Enter  another Facet name (ex: bar)From "Data Controls" drag and drop "Employees->Query"  into the pie facet as "Graph->Pie" (Pie: Sales_Number and Slices: Salesperson)From "Data Controls" drag and drop "Employees->Query"  into the bar facet as "Graph->Bar" (Bars :Sales_Number and X-axis : Salesperson).Now wire the switcher to the af:selectOneRadio using their "facetName" and "value" property respectively.Now run the page, notice that graph renders as per the selection by user.

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  • KDE not loading without nomode tag in grub and bad resolution [migrated]

    - by fcole90
    I recently installed Linux Mint 13 KDE but it's not working fine. At first I had to use failsafe mode to boot because normal boot takes to a textual login. If I use normal boot and text login I'm not able to run KDE nor with kdm start neither with startx. kdm says that's already running. Instead X is not able to run because can't connect Xserver to display. If I stop kdm and starx again doesn't change anything. Now I edited the grub to load in nomode. In that way KDE loads but resolution is wrong and xrandr doesn't help, because if I do this: cvt 1366 768 it changes it to 1368: # 1368x768 59.88 Hz (CVT) hsync: 47.79 kHz; pclk: 85.25 MHz Modeline "1368x768_60.00" 85.25 1368 1440 1576 1784 768 771 781 798 -hsync +vsync I also installed bumblebee and nvidia drivers because of optimus technology.. It worked just to have fun with glxspheres but there isn't any gain on KDE.. This is lspci output: fabio@fabio-EasyNote-TS11HR ~ $ lspci |grep VGA 00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09) 01:00.0 VGA compatible controller: NVIDIA Corporation GF108 [GeForce GT 540M] (rev ff My notebook is an EasyNote TS with NVIDIA GeForce GT 540M. Thank you in advance to anyone that may help!

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  • Windows 8 + Ubuntu dualboot problem - ubuntu does not load after windows updates

    - by Michal Biros
    I have installed Windows 8 64-bit and Ubuntu 14.04 64-bit in dualboot with EFI mode. Everything worked great. I could run Ubuntu or Windows without any problems. Only one little issue was that Windows locked NTFS partitions when I shut it down. When I clicked on restart button in Windows and started Ubuntu, partitions mounted successfully. But today ... I opened windows and downloaded all available updates. When I wanted to come back to Ubuntu I noticed that grub did not count down seconds to automatic start. After choosing Ubuntu option manually, the OS did not load. Just black screen with white underscore in the upper left corner. Windows is accessible always without such issues. Last time I solved it by reinstalling ubuntu but I dont want to do it each time windows downloads some updates. Have you ever meet such problem, or do you know how to solve it? EDIT Ubuntu boots, but it won't start. It ends on loading screen.

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  • Cannot delete .Trash-503 directory, returns a $RECYCLE.BIN.trashinfo: Input/output error

    - by Parto
    I cannot delete .Trash-503 folder via GUI or terminal, it returns a $RECYCLE.BIN.trashinfo: Input/output error Not even sudo rm -r or even a simple ls works in that trash directory. Check terminal output below: subroot@subroot:~$ cd /media/xxxxx/ subroot@subroot:/media/xxxxx$ rm .Trash-503/ rm: cannot remove `.Trash-503/': Is a directory subroot@subroot:/media/xxxxx$ rm -r .Trash-503/ rm: cannot remove `.Trash-503/info/$RECYCLE.BIN.trashinfo': Input/output error rm: cannot remove `.Trash-503/info/found.000.trashinfo': Input/output error rm: cannot remove `.Trash-503/info': Directory not empty subroot@subroot:/media/xxxxx$ sudo rm -r .Trash-503/ [sudo] password for subroot: rm: cannot remove `.Trash-503/info/$RECYCLE.BIN.trashinfo': Input/output error rm: cannot remove `.Trash-503/info/found.000.trashinfo': Input/output error subroot@subroot:/media/xxxxx$ cd .Trash-503/ subroot@subroot:/media/xxxxx/.Trash-503$ ls info subroot@subroot:/media/xxxxx/.Trash-503$ cd info/ subroot@subroot:/media/xxxxx/.Trash-503/info$ ls ls: cannot access $RECYCLE.BIN.trashinfo: Input/output error ls: cannot access found.000.trashinfo: Input/output error found.000.trashinfo $RECYCLE.BIN.trashinfo subroot@subroot:/media/xxxxx/.Trash-503/info$ What's going on here and how can I delete this folder? EDIT I tried checking and repairing the partition using gparted only to get this error message: ERROR: Filesystem check failed! ERROR: 264 clusters are referenced multiple times. NTFS is inconsistent. Run chkdsk /f on Windows then reboot it TWICE! The usage of the /f parameter is very IMPORTANT! No modification was and will be made to NTFS by this software until it gets repaired. I don't have windows installed, how can I run chkdsk /f from ubuntu?

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  • CodePlex Daily Summary for Saturday, June 09, 2012

    CodePlex Daily Summary for Saturday, June 09, 2012Popular ReleasesARCBots API Program: ARCBots API Program v3 STABLE: Stable Release, you can find the update notes in the source code.Microsoft SQL Server Product Samples: Database: AdventureWorks Sample Reports 2008 R2: AdventureWorks Sample Reports 2008 R2.zip contains several reports include Sales Reason Comparisons SQL2008R2.rdl which uses Adventure Works DW 2008R2 as a data source reference. For more information, go to Sales Reason Comparisons report.RULI Chain Code Image Generator: RULI Chain Code BW Image Generator v. 0.4: added features: - 3x3 bitmask support - 7x7 bitmask support - app icon added some refactoring for later library-creationThe Chronicles of Asku: Alpha Test v1.1: Welcome to the Chronicles of Asku alpha test. The current state of the game is 2 tomb floors, level 10 cap, and almost all core systems in the game, excluding a store that you buy armor in. This is just a test for downloading the game, and severe bug hunts... INSTRUCTIONS: When you download the folder, right click within the folder and select EXTRACT ALL Run Setup.exe Follow any on screen instructions DO NOT TRY TO LOAD A CHARACTER IF YOU HAVE NEVER SAVED ONE BEFORE Patch 1.1 -Added a...Json.NET: Json.NET 4.5 Release 7: Fix - Fixed Metro build to pass Windows Application Certification Kit on Windows 8 Release Preview Fix - Fixed Metro build error caused by an anonymous type Fix - Fixed ItemConverter not being used when serializing dictionaries Fix - Fixed an incorrect object being passed to the Error event when serializing dictionaries Fix - Fixed decimal properties not being correctly ignored with DefaultValueHandlingLINQ Extensions Library: 1.0.3.0: New to release 1.0.3.0:Combinatronics: Combinations (unique) Combinations (with repetition) Permutations (unique) Permutations (with repetition) Convert jagged arrays to fixed multidimensional arrays Convert fixed multidimensional arrays to jagged arrays ElementAtMax ElementAtMin ElementAtAverage New set of array extension (1.0.2.8):Rotate Flip Resize (maintaing data) Split Fuse Replace Append and Prepend extensions (1.0.2.7) IndexOf extensions (1.0.2.7) Ne...Audio Pitch & Shift: Audio Pitch And Shift 4.5.0: Added Instruments tab for modules Open folder content feature Some bug fixesPython Tools for Visual Studio: 1.5 Beta 1: We’re pleased to announce the release of Python Tools for Visual Studio 1.5 Beta. Python Tools for Visual Studio (PTVS) is an open-source plug-in for Visual Studio which supports programming with the Python language. PTVS supports a broad range of features including: • Supports CPython, IronPython, Jython and PyPy • Python editor with advanced member, signature intellisense and refactoring • Code navigation: “Find all refs”, goto definition, and object browser • Local and remote debugging •...Circuit Diagram: Circuit Diagram 2.0 Beta 1: New in this release: Automatically flip components when placing Delete components using keyboard delete key Resize document Document properties window Print document Recent files list Confirm when exiting with unsaved changes Thumbnail previews in Windows Explorer for CDDX files Show shortcut keys in toolbox Highlight selected item in toolbox Zoom using mouse scroll wheel while holding down ctrl key Plugin support for: Custom export formats Custom import formats Open...Umbraco CMS: Umbraco CMS 5.2 Beta: The future of Umbracov5 represents the future architecture of Umbraco, so please be aware that while it's technically superior to v4 it's not yet on a par feature or performance-wise. What's new? For full details see our http://progress.umbraco.org task tracking page showing all items complete for 5.2. In a nutshellPackage Builder Starter Kits Dynamic Extension Methods Querying / IsHelpers Friendly alt template URLs Localization Various bug fixes / performance enhancements Gett...JayData - The cross-platform HTML5 data-management library for JavaScript: JayData 1.0.5: JayData is a unified data access library for JavaScript developers to query and update data from different sources like WebSQL, IndexedDB, OData, Facebook or YQL. See it in action in this 6 minutes video New features in JayData 1.0.5http://jaydata.org/blog/jaydata-1.0.5-is-here-with-authentication-support-and-more http://jaydata.org/blog/release-notes Sencha Touch 2 module (read-only)This module can be used to bind data retrieved by JayData to Sencha Touch 2 generated user interface. (exam...32feet.NET: 3.5: This version changes the 32feet.NET library (both desktop and NETCF) to use .NET Framework version 3.5. Previously we compiled for .NET v2.0. There are no code changes from our version 3.4. See the 3.4 release for more information. Changes due to compiling for .NET 3.5Applications should be changed to use NET/NETCF v3.5. Removal of class InTheHand.Net.Bluetooth.AsyncCompletedEventArgs, which we provided on NETCF. We now just use the standard .NET System.ComponentModel.AsyncCompletedEvent...DotNetNuke® Links: 06.02.01: Added new DNN 6.2.0 beta social feature "friends" BugfixesApplication Architecture Guidelines: Application Architecture Guidelines 3.0.7: 3.0.7Jolt Environment: Jolt v2 Stable: Many new features. Follow development here for more information: http://www.rune-server.org/runescape-development/rs-503-client-server/projects/298763-jolt-environment-v2.html Setup instructions in downloadSharePoint Euro 2012 - UEFA European Football Predictor: havivi.euro2012.wsp (1.5): New fetures:Multilingual Support Max users property in Standings Web Part Games time zone change (UTC +1) bug fix - Version 1.4 locking problem http://euro2012.codeplex.com/discussions/358262 bug fix - Field Title not found (v.1.3) German SP http://euro2012.codeplex.com/discussions/358189#post844228 Bug fix - Access is denied.for users with contribute rights Bug fix - Installing on non-English version of SharePoint Bug fix - Title Rules Installing SharePoint Euro 2012 PredictorSharePoint E...myManga: myManga v1.0.0.4: ChangeLogUpdating from Previous Version: Extract contents of Release - myManga v1.0.0.4.zip to previous version's folder. Replaces: myManga.exe BakaBox.dll CoreMangaClasses.dll Manga.dll Plugins/MangaReader.manga.dll Plugins/MangaFox.manga.dll Plugins/MangaHere.manga.dll Plugins/MangaPanda.manga.dllMVVM Light Toolkit: V4RC (binaries only) including Windows 8 RP: This package contains all the latest DLLs for MVVM Light V4 RC. It includes the DLLs for Windows 8 Release Preview. An updated Nuget package is also available at http://nuget.org/packages/MvvmLightLibsPreviewExtAspNet: ExtAspNet v3.1.7: +2012-06-03 v3.1.7 -?????????BUG,??????RadioButtonList?,AJAX????????BUG(swtseaman、????)。 +?Grid?BoundField、HyperLinkField、LinkButtonField、WindowField??HtmlEncode?HtmlEncodeFormatString(TiDi)。 -HtmlEncode?HtmlEncodeFormatString??????true,??????HTML????????。 -??????Asp.Net??GridView?BoundField?????????。 -http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.boundfield.htmlencode -?Grid?HyperLinkField、WindowField??UrlEncode??,????URL??(???true)。 -?????????????,?????????????...LiveChat Starter Kit: LCSK v1.5.2: New features: Visitor location (City - Country) from geo-location Pass configuration via javascript for the chat box New visitor identification (no more using the IP address as visitor identification) To update from 1.5.1 Run the /src/1.5.2-sql-updates.txt SQL script to update your database tables. If you have it installed via NuGet, simply update your package and the file will be included so you can run the update script. New installation The easiest way to add LCSK to your app is by...New ProjectsAdvanceWars: Advance Wars For NetARCBots API Program: This is a simple API program designed for quick use for the ARCBots API.AutoUpdaterdotNET: AutoUpdater.NET is a class library that allows .net developers to easily add auto update functionality to their project.C++ AMP Conformance Test Suite: C++ AMP Conformance Test Suite contains a set of tests to aid in verifying compiler, library, and runtime behaviors as specified in the C++ AMP open specification. DynamicObjectProxy: DOP (Dynamic Object Proxy) é uma biblioteca que permite que qualquer método de qualquer objeto possa ser interceptado através de um proxy dinâmico. Ao interceptar um método, pode-se decorar o objeto, alterando ou recuperando informações sobre o seu comportamento. Extremamente útil para logs, verificações de transações, etc. DOP (Dynamic Object Proxy) is a library that contains classes that makes it possible that any method of any object can be intercepted by a dynamic proxy. By interceptin...EAIP: ???????? Flatland: Artificial life, or A-Life, is a broad and ever emerging field that has found its applications in almost any field: economics, medicine, traffic planning, shopping habits, patterns in music. And it is evident that work with modelling logical life in artificial environments is a necessity for the future software developer. Abbots novella "Flatland: A Romance of Many Dimensions" describes the two dimensional world "Flatland", where life is geometrical shapes that have human-like emotions, but...GameAudioSystem: Simple Audio Game System written with OpenAL to be used with Ogre3D.HyperionSS2P - Simple scan to pdf solution: Simple scan to pdf solution.Issue Impala: Issue Impala is a powerful and elegant issue tracker.KoekyGL Wrapper: A .net wrapper for OpenGL aimed at making it easy to use OpenGL.Marik Sample Project: This is a sample by KitMongoDB Managment Client: Development MongoDB Web client. HTML 5 jQuery. One page web application. When Windows 8 metro is released then Metro style application To.MongoDB.Dynamic: MongoDB.Dynamic is a personal project that I’ve started when I was developing my first application targeting MongoDB as DBMS, using the “official driver” MongoDB.Driver, supported by 10gen. The objective is to provide a lightweight library with some interesting features that speed up development for desktop/web applications that accesses MongoDB databases. MongoDB.Dynamic is oriented to interfaces. You don’t need to create concrete classes of your entities, all you need to do is setup your...My Google Workspace: An easy way to create documents search at Google and read your emails and Much moreqzgfjava: git????,?android??“??”???SP Sticky Notes: SP Sticky Notes allows your users to add sticky notes to a page on your SharePoint site.Weather3: It's Metro Style AppXNA Scumm: This is a rewrite of the ScummVM engine using XNA. ScummVM is an engine that runs old school LucasArts graphical adventure games. It is written completely in C# and the first version will run on PC and Xbox 360. A Windows phone version will probably follow. Of course, you will need to own the original games in order to use it. I will start my work by The Secret of Monkey Island, more specifically the VGA CD version. Monkey Island 2: LeChuck's Revenge and Indiana Jones 4 and Fate of Atl...YoG Community Game: This project is a game, being developed by several members of the Yogscast Community Forums. It is a top-down shooter, based around the protagonist 'Joe', and his adventures through TV shows every day.

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  • Make Network Manager use bridge for PPPoE instead of only working on ethernet?

    - by Azendale
    My ISP uses PPPoE on their DSL connections. I use Network Manager to connect to this using a bridged modem connected to eth0. Often, I want to test networking things, so a set myself up a KVM machine with a tap interface. I can then connect these interfaces to to virtual 'switches' by adding them to bridges. (I work for my ISP). Sometimes, I want to test cases where the PPPoE is connected more than once. For this, I would like to be able to add eth0 to my 'switch' (a bridge) so the VMs can have a 'bridged modem' connection to the internet. But I would like to still be able to run the PPPoE for my computer at the same time. Which means that I need to get network-manager to run PPPoE over the bridge (or eth0). The problem is that it considers eth0 (and the bridge) 'not managed' by network manager, so it refuses to use it. So, how can I have network manager dial PPPoE over a bridge?

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  • update-java-alternatives vs update-alternatives --config java

    - by Stan Smith
    Thanks in advance from this Ubuntu noob... On Ubuntu 12.04 LTS I have installed Sun's JDK7, Eclipse, and the Arduino IDE. I want the Arduino to use OpenJDK 6 and want Eclipse to use Sun's JDK 7. From my understanding I need to manually choose which Java to use before running each application. This led me to the 'update-java-alternatives -l' command... when I run this I only see the following: java-1.6.0-openjdk-amd64 1061 /usr/lib/jvm/java-1.6.0-openjdk-amd64 ...but when I run 'update-alternatives --config java' I see the following: *0 /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/java auto mode 1 /usr/lib/jvm/java-6-openjdk-amd64/jre/bin/java manual mode 2 /usr/lib/jvm/jdk1.7.0/bin/java manual mode 3 /usr/lib/jvm/jre1.7.0/bin/java manual mode I don't understand why the update-java-alternatives doesn't display the same 3 options. I also don't understand how to switch between OpenJDK6 and JDK7. Can someone please explain how I can go about using the OpenJDK6 for Arduino development and Sun JDK7 for Eclipse/Android development? Thank you in advance for any assistance or feedback you can offer. Stan

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  • How to add locale aware CSS to an individual component in ADF Faces.

    - by [email protected]
    When creating a skin in ADF Faces, it's (relatively) easy to add locale aware CSS using the :rtl psuedo-class on the end of a skinning key.  Example:af|inputListOfValues::content {  padding-left: 3px;}af|inputListOfValues::content:rtl {  padding-left: 0px;  padding-right: 3px;}In this example, we want some padding before the start of the text in the content element of the component.  In right to left locales, the start of the text is on the right side by default, so we need to change the padding from the left to the right.Let's say, however, that you want to specify a locale aware CSS style on an individual component using the contentStyle attribute.  There is a handy ADF Faces EL function to help you out here: isRTL.  For our example, let's say we want an inputText component whose text content is 'end' aligned.  If you weren't considering RTL locales, you could code this as:<af:inputText id="idInputTextRight" label="right aligned" value="Test"                    contentStyle="text-align: right;"/>This, however, will be right aligned regardless of locale. This is where isRTL() comes to the rescue.  This is how we would code this to be locale aware:<af:inputText id="idInputTextEnd" label="end aligned" value="Test"                     contentStyle="text-align: #{af:isRTL()?'left':'right'};"/> The af:isRTL() EL function returns true if we are rendering in RTL, so we can use it to pick the appropriate text alignment.

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  • How do I enable sound with the "linux-virtual" kernel?

    - by Ola Tuvesson
    I've been trying to enable sound for the linux-virtual kernel as I want to run an ultra slim Ubuntu server under VirtualBox but need audio. The resource usage difference between virtual and generic/server is surprisingly large, with the virtual kernel system using 80Mb less RAM after a clean boot (130Mb vs 210Mb), and I really want to squeeze every clock cycle and available byte I can out of the system. Besides, the virtual kernel has some additional optimisations enabled specifically for virtual machines (or so I am told). Now I have compiled my own kernel a few times in the past, for example to include the Intel-PHC module (for improved power management on Thinkpads), so the concept is not entirely alien to me, but I've run into a strange problem which I'm hoping someone can help explain: When I do a diff between the config files for Linux-generic and Linux-virtual there are precious few differences, and certainly none which pertain to sound support; there are really only five or six lines which differ, and they're mainly to do with i/o timing, sleep state and priorities. What gives? I expected the differences to be extensive, and that I would be able to identify the options that enabled audio by looking at them, but my problem doesn't seem to be related to the config file at all (yes, I know about the sound drivers section - it is identical between the two kernel configs). Am I looking in the wrong place? Many thanks!

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  • jQuery + Perl CGI to vb.net transition

    - by user1257458
    I've been developing oracle database-heavy "web applications" forever by building my html by hand, adding some jquery to handle ajax requests (html inserts for forms processing etc), and always did my server side stuff in perl cgi. I really love how easy it is to read some form input, execute some select statements through dbi (SO EASY), and generate HTML to be inserted by the jquery request. That's a web application to me. However, my new boss builds everything in visual studio 2010, vb.net, usually webforms. So, for work reasons, I now need to start developing in vb.net so it can be collectively maintained, and I'm just seeking advice on where to start learning/how to approach this. I know I could at least learn ASP.net and VB.net, and create a webform, have it read parameters, return HTML, etc. which would allow me to use my previously written HTML and client-side scripts (jQuery). Although- since we're moving heavily to mobile applications I really need to reduce client-side processing load. Is there any advantage to my boss' method? Thanks a ton.

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  • HTG Explains: Just How Bad Are Android Tablet Apps?

    - by Chris Hoffman
    Apple loves to criticize the state of Android tablet apps when pushing its own iPad tablets. But just how bad is the Android tablet app situation? Should you avoid Android tablets like the Nexus 7 because of the apps? It’s clear that Apple’s iPad is way ahead when it comes to the sheer quantity of tablet-optimized apps. It’s also clear that some popular apps — particularly touch-optimized games — only show up on iPad. But that’s not the whole story. The Basics First, let’s get an idea of the basic stuff that will work well for you on Android. An excellent web browser. Chrome has struggled with performance on Android, but hits its stride on the Nexus 7 (2013). Great, tablet-optimized apps for all of Google’s services, from YouTube to Gmail and Google Maps. Everything you need for reading, from Amazon’s Kindle app for eBooks, Flipboard and Feedly for new articles from websites, and other services like the popular Pocket read-it-later service. Apps for most popular media services, from Netflix, Hulu, and YouTube for videos to Pandora, Spotify, and Rdio for music. A few things aren’t available — you won’t find Apple’s iTunes and Amazon still doesn’t offer an Amazon Instant Video app for Android, while they do for iPad and even their own Android-based Kindle Fire devices. Android has very good app coverage when it comes to consuming content, whether you’re reading websites and ebooks or watching videos and listening to music. You can play almost any Android smartphone game, too. For content consumption, Android is better than something like Windows 8, which lacks apps for Google services like YouTube and still doesn’t have apps for popular media services like Spotify and Rdio. How Android Scales Smartphone Apps Let’s look at how Android scales smartphone apps. Now, bear with us here — we know “scaling” is a dirty word considering how poorly Apple’s iPad scales iPhone apps, but it’s not as bad on Android. When an iPad runs an iPhone app, it simply doubles the pixels and effectively zooms in. For example, if you had  Twitter app with five tweets visible at once on an iPhone and ran the same app on an iPad, the iPad would simply “zoom in” and enlarge the same screen — you’d still see five tweets, but each tweet would appear larger. This is why developers create optimized iPad apps with their own interfaces. It’s especially important on Apple’s iOS. Android devices come in all shapes and sizes, so Android apps have a smarter, more intelligent way to adapt to different screen sizes. Let’s say you have a Twitter app designed for smartphones and it only shows five tweets at once when run on a phone. If you ran the same app on a tablet, you wouldn’t see the same five tweets — you’d see ten or more tweets. Rather than simply zooming in, the app can show more content at the same time on a tablet, even if it was never optimized for tablet-size screens. While apps designed for smartphones aren’t generally ideal, they adapt much better on Android than they do on an iPad. This is particularly true when it comes to games. You’re capable of playing almost any Android smartphone game on an Android tablet, and games generally adapt very well to the larger screen. This gives you access to a huge catalog of games. It’s a great option to have, especially when you look at Microsoft’s Window 8 and consider how much better the touch-based app and game selection would be if Microsoft allowed its users to run Windows Phone games on Windows 8. 7-inch vs 10-inch Tablets The Twitter example above wasn’t just an example. The official Twitter app for Android still doesn’t have a tablet-optimized interface, so this is the sort of situation you’d have to deal with on an Android tablet. On the popular Nexus 7, Twitter is an example of a smartphone app that actually works fairly well — in portrait mode, you can see many more tweets on screen at the same time and none of the space really feels all that wasted. This is important to consider — smartphone apps like Twitter often scale quite well to 7-inch screens because a 7-inch screen is much closer in form factor to a smartphone than a 10-inch screen is. When you begin to look at 10-inch Android tablets that are the same size as an iPad, the situation changes. While the Twitter app works well enough on a Nexus 7, it looks horrible on a Nexus 10 or other 10-inch tablet. Running many smartphone-designed apps — possible with the exception of games — on a 10-inch tablet is a frustrating, poor experience. There’s much more white, empty space in the interface. It feels like you’re using a smartphone app on a large screen, and what’s the point of that? A tablet-optimized Twitter app for Android is finally on its way, but this same situation will repeat with many other types of apps. For example, Facebook doesn’t offer a tablet-optimized interface, but it’s okay on a Nexus 7 anyway. On a 10-inch screen, it probably wouldn’t be anywhere near as nice an experience. It goes without saying that Facebook and Twitter both offer iPad apps with interfaces designed for a tablet-size screen. Here’s another problematic app — the official Yelp app for Android. Even just using it on a 7-inch Nexus 7 will be a poor experience, while it would be much worse on a larger 10-inch tablet app. Now, it’s true that many — maybe even most — of the popular apps you might want to run today are optimized for Android tablets. But, when you look at the situation when it comes to popular apps like Twitter, Facebook, and Yelp, it’s clear Android is still behind in a meaningful way. Price Let’s be honest. The thing that really makes Android tablets compelling — and the only reason Android tablets started seeing real traction after years of almost complete dominance by Apple’s iPads — is that Android tablets are available for so much cheaper than iPads. Google’s latest Nexus 7 (2013) is available for only $230. Apple’s non-retina iPad Mini is available at $300, which is already $70 more. In spite of that, the iPad Mini has much older, slower internals and a much lower resolution screen. It’s not as nice to look at when it comes to reading or watching movies, and the iPad Mini reportedly struggles to run Apple’s latest iOS 7. In contrast, the new Nexus 7 has a very high resolution screen, speedy internals, and runs Android very well with little-to-no lag in real use. We haven’t had any problems with it, unlike all the problems we unfortunately encountered with the first Nexus 7. For a really comparable experience to the current Nexus 7, you’d want to get one of Apple’s new retina iPad Minis. That would cost you $400, another $170 over the Nexus 7. In fact, it’s possible to regularly find sales on the Nexus 7, so if you waited you could get it for just $200 — half the price of the iPad mini with a comparable screen and internals. (In fairness, the iPad certainly has better hardware — but you won’t feel if it you’re just using your tablet to browse the web, watch videos, and do other typical tablet things.) This makes a tablet like the popular Nexus 7 a very good option for budget-conscious users who just want a high-quality device they can use to browse the web, watch videos, play games, and generally do light computing. There’s a reason we’re focusing on the Nexus 7 here. The combination of price and size brings it to a very good place. It’s awfully cheap for the high-quality experience you get, and the 7-inch screen means that even the non-tablet-optimized apps you may stumble across will often work fairly well. On the other hand, more expensive 10-inch Android tablets are still a tougher sell. For $400-$500, you’re getting awfully close to Apple’s full-size iPad price range and Android tablets don’t have as good an app ecosystem as an iPad. It’s hard to recommend an expensive, 10-inch Android tablet over a full-size iPad to average users. In summary, the Android app tablet app situation is nowhere near as bad as it was a few years ago. The success of the Nexus 7 proves that Android tablets can be compelling experiences, and there are a wide variety of strong apps. That said, more expensive 10-inch Android tablets that compete directly with the full-size iPad on price still don’t make much sense for most people.  Unless you have a specific reason for preferring an Android tablet, it’s tough not to recommend an iPad if you’re looking at spending $400+ on a 10-inch tablet. Image Credit: Christian Ghanime on Flickr, Christian Ghanime on Flickr     

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  • How to host customer developed code server side

    - by user963263
    I'm developing a multi-tenant web application, most likely using ASP.NET MVC5 and Web API. I have used business applications in the past where it was possible to upload custom DLL's or paste in custom code to a GUI to have custom functions run server side. These applications were self hosted and single-tenant though so the customer developed bits didn't impact other clients. I want to host the multi-tenant web application myself and allow customers to upload custom code that will run server side. This could be for things like custom web services that client side JavaScript could interact with, or it could be for automation steps that they want triggered server side asynchronously when a user takes a particular action. Additionally, I want to expose an API that allows customers' code to interact with data specific to the web application itself. Client code may need to be "wrapped" so that it has access to appropriate references - to our custom API and maybe to a white list of approved libraries. There are several issues to consider - security, performance (infinite loops, otherwise poorly written code, load balancing, etc.), receive compiled DLL's or require raw code, etc. Is there an established pattern for this sort of thing or a sample project anyone can point to? Or any general recommendations?

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  • Since a few days, Dropbox stopped syncing

    - by Fabio
    Theres a new problem with nautilus-dropbox and is the worst for a service like Dropbox: stopped syncing and their tech support don't believe their users. The problem is: start dropbox it downloads index creates folders start to download files stop downloading files or the speed is like 0.3k/seg even deleting everything doesn't work, even syncing a single folder with a few files, not even configuring a different limit speed or let all your bandwith, nothing works for me and i have found many users with the same problem. it's strange, i have two computers with ubuntu 14.04 and one with windows 7, and in one of the linux machines it works fine, but not in the other one. Both of them are x64. The answers from the tech support starts with "delete everything and reinstall" to "you may be blocking port 443", yeah, sure (and if i do that half of internet dissapears, idiot), but nothing works. Someone has some idea? i cant find any log file (at least a text log file like in /var/log) to understand what is dropbox doing and what is not working. PS: sorry for my "english", is not my language Examples: dropbox slow on ubuntu 14.04 Dropbox does not sync on ubuntu 14.04 Dropbox Status (in spanish but is the same thing) fabio@canopus:~$ dropbox status Sincronizando (Quedan 330 archivos., Faltan 9 días.) Descargando 330 archivos... (0,3 KB/s, Faltan 9 días.) 9 days for 330 files / 100Mb

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  • What is up with the Joy of Clojure 2nd edition?

    - by kurofune
    Manning just released the second edition of the beloved Joy of Clojure book, and while I share that love I get the feeling that many of the examples are already outdated. In particular, in the chapter on optimization the recommended type-hinting seems not to be allowed by the compiler. I don't know if this was allowable for older versions of Clojure. For example: (defn factorial-f [^long original-x] (loop [x original-x, acc 1] (if (>= 1 x) acc (recur (dec x) (*' x acc))))) returns: clojure.lang.Compiler$CompilerException: java.lang.UnsupportedOperationException: Can't type hint a primitive local, compiling:(null:3:1) Likewise, the chapter on core.logic seems be using an old API and I have to find workarounds for each example to accommodate the recent changes. For example, I had to turn this: (logic/defrel orbits orbital body) (logic/fact orbits :mercury :sun) (logic/fact orbits :venus :sun) (logic/fact orbits :earth :sun) (logic/fact orbits :mars :sun) (logic/fact orbits :jupiter :sun) (logic/fact orbits :saturn :sun) (logic/fact orbits :uranus :sun) (logic/fact orbits :neptune :sun) (logic/run* [q] (logic/fresh [orbital body] (orbits orbital body) (logic/== q orbital))) into this, leveraging the pldb lib: (pldb/db-rel orbits orbital body) (def facts (pldb/db [orbits :mercury :sun] [orbits :venus :sun] [orbits :earth :sun] [orbits :mars :sun] [orbits :jupiter :sun] [orbits :saturn :sun] [orbits :uranus :sun] [orbits :neptune :sun])) (pldb/with-db facts (logic/run* [q] (logic/fresh [orbital body] (orbits orbital body) (logic/== q orbital)))) I am still pulling teeth to get the later examples to work. I am relatively new programming, myself, so I wonder if I am naively looking over something here, or are if these points I'm making legitimate concerns? I really want to get good at this stuff like type-hinting and core.logic, but wanna make sure I am studying up to date materials. Any illuminating facts to help clear up my confusion would be most welcome.

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  • How do I identify mouse clicks versus mouse down in games?

    - by Tristan
    What is the most common way of handling mouse clicks in games? Given that all you have in way of detecting input from the mouse is whether a button is up or down. I currently just rely on the mouse down being a click, but this simple approach limits me greatly in what I want to achieve. For example I have some code that should only be run once on a mouse click, but using mouse down as a mouse click can cause the code to run more then once depending on how long the button is held down for. So I need to do it on a click! But what is the best way to handle a click? Is a click when the mouse goes from mouse up to down or from down to up or is it a click if the button was down for less then x frames/milliseconds and then if so, is it considered mouse down and a click if its down for x frames/milliseconds or a click then mouse down? I can see that each of the approaches can have their uses but which is the most common in games? And maybe i'll ask more specifically which is the most common in RTS games?

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  • Wacom Bamboo CTH460L issues in Ubuntu 10.04

    - by Robert Smith
    I recently bought a Wacom Bamboo Pen & Touch CTH460L. I installed doctormo PPA, however, the pen functionality didn't work and the touch was very glitchy (when I touched it, it immediately double clicked and began to drag elements in the screen). I tried to configure it using the wacom-utility package in the Synaptic Package Manager (version 1.21-1) but that didn't work either. Then I followed this post (#621, written by aaaalex), and after some problems trying to restart Ubuntu (graphics related problems), the pen works fine (it could be better, though) but the touch functionality doesn't work anymore. Currently I have installed xserver-xorg-input-wacom (1:0.10.11-0ubuntu7), wacom-dkms (0.8.10.2-1ubuntu1) and wacom-utility. The Wacom Utility only displays an "options" field under "Wacom BambooPT 2FG 4X5" but no other option to configure it. What is the correct way to get this tablet working on Ubuntu 10.04?. By the way, currently I can't start Ubuntu properly when the tablet is connected (in that case, Ubuntu start in low graphics mode). I need to connect it later.

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  • What build tools do not depend on java (or Ruby)?

    - by Mohamed Meligy
    I'm wondering what generic build tools out there include their binary run-times and do not depend on another environment not shipped with them. For example, ANT requires Java, Rake requires Ruby, etc.. would be great if talking about also target-platform-agnostic tools, where I'd just give whatever command for building, whatever command for testing, etc.. and can then define my artifacts in CI or so. Would see something like that useful for building .NET projects (say, on both Windows .NET and Mono), and Node JS projects especially. I do not want to install Java and / or Ruby if what I want is a .NET build or a Node JS build. This is a bit of general awareness question not an exact problem I'm facing, that's why it's here not on StackOverflow. Update: To explain a bit more, what I'm after is the build script that would run MSBuild for compiling for example ( in .NET, and then maybe several Node/NPM commands in Node, etc..), and then have the rest build/test steps, instead of setting these all in MSBuild (again, in .NET case, also, wondering if there is equivalent story in Node).

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  • .wine-pipelight folder not present

    - by DaimyoKirby
    Following the instructions on the pipelight installation page, I installed pipelight on Ubuntu 14.04. However, upon opening firefox the .wine-pipelight folder isn't present in my home folder, and I get the following errors: [PIPELIGHT:LIN:unknown] attached to process. [PIPELIGHT:LIN:unknown] checking environment variable PIPELIGHT_SILVERLIGHT5_1_CONFIG. [PIPELIGHT:LIN:unknown] searching for config file pipelight-silverlight5.1. [PIPELIGHT:LIN:unknown] trying to load config file from '/home/alden/.config/pipelight-silverlight5.1'. [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:427:checkSilverlightGraphicDriver(): error in execlp command - probably silverlightGraphicDriverCheck not found or missing execute permission. [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:441:checkSilverlightGraphicDriver(): GPU driver check - Your driver is not in the whitelist, hardware acceleration disabled. [PIPELIGHT:LIN:silverlight5.1] using wine prefix directory /home/alden/.wine-pipelight. [PIPELIGHT:LIN:silverlight5.1] checking plugin installation - this might take some time. [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:374:checkPluginInstallation(): error in execvp command - probably dependencyInstaller/sandbox not found or missing execute permission. [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:384:checkPluginInstallation(): Plugin installer did not run correctly (exitcode = 1). [PIPELIGHT:LIN:silverlight5.1] basicplugin.c:108:attach(): plugin not correctly installed - aborting. I've reinstalled quite a few times and ran through many of the common fixes offered on the pipelight Launchpad pages and here on AskUbunta and still it fails to run. Is there a reason why this folder isn't present, or why I'm getting these errors? Edit: Oddly enough, the .wine-pipelight folder is created wtih I open Nitro, although this still doesn't fix the issue.

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  • How add cpu frequency that should be available?

    - by Andrew Redd
    I have a system with an Intel Core i7 970 that should be able to run at 3.2 GHz. I'm running ubuntu 12.04 and installed the cpufreq indicator to be able to change the governor and noticed that I only had frequencies up to 2.0 GHz available to me. I set to performance and checked with cpufreq-info cpufreq-info -c 0 cpufrequtils 007: cpufreq-info (C) Dominik Brodowski 2004-2009 Report errors and bugs to [email protected], please. analyzing CPU 0: driver: acpi-cpufreq CPUs which run at the same hardware frequency: 0 1 2 3 4 5 6 7 8 9 10 11 CPUs which need to have their frequency coordinated by software: 0 maximum transition latency: 10.0 us. hardware limits: 1.60 GHz - 2.00 GHz available frequency steps: 2.00 GHz, 1.86 GHz, 1.73 GHz, 1.60 GHz available cpufreq governors: conservative, ondemand, userspace, powersave, performance current policy: frequency should be within 1.60 GHz and 2.00 GHz. The governor "performance" may decide which speed to use within this range. current CPU frequency is 2.00 GHz (asserted by call to hardware). cpufreq stats: 2.00 GHz:4.93%, 1.86 GHz:0.03%, 1.73 GHz:0.02%, 1.60 GHz:95.02% (718654) And to double check: $ cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies 1995000 1862000 1729000 1596000 How do I get all the frequencies that I should have available to me, all up to the 3.2 GHz?

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  • How to use Nintex Reusable Workflow Template

    - by ybbest
    If you like to re-use your workflow logic over more than one list or library, you can create reusable workflow template. Here are the steps 1. Go to site settings and create reusable workflow template. 2. Select the content type you like the template to bound to and give a workflow a title. 3.Create your workflow the same way as you did for a list workflow and publish your workfow. 4. Finally, you need add your workflow to the list you like to run your workflow. 5. Go to workflow settings and add a Workflow. 6. Select the content type and configure the workflow as below 7. After you done this, your workflow will run as usual. Note: 1. You cannot conditionally start your workflow. 2. Your workflow is not automatically bound to the list when you add the content type to the list, you need to configure it manually as shown in step 4-6.

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