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  • Redirect to new domain and preserve username

    - by David Brown
    I recently switched to a new domain for a version control server I run. The server is usually accessed with a username included in the url such as https://[email protected]/some/stuff. I want to redirect requests to the old domain to the new domain and preserve everything else in the url (including the username). So the former url would be redirected to https://[email protected]/some/stuff. Currently I have the following rewrite condition and rule: RewriteCond %{HTTP_HOST} sub\.olddomain\.com RewriteRule (.*) https://sub.newdomain.net$1 [R=301,L] This works except it drops the userinfo part of the URL. Is there a way I can preserve the user info?

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  • Nginx/puma rhel unix socket permission error?

    - by Kevin Brown
    When I try to start my puma server, I get the error: /.rvm/gems/ruby-2.1.1/gems/puma-2.9.0/lib/puma/binder.rb:275:in `initialize': Permission denied - connect(2) for "/var/run/nvhbase.sock" (Errno::EACCES) My sites-available/nvhbase.conf file: upstream nvhbase { server unix:/var/run/nvhbase.sock; } server { listen 80 default_server; server_name 207.131.132.219; root /home/vf032500/dev/nvh/public; location / { proxy_pass http://unix:/var/run/nvhbase.sock; proxy_http_version 1.1; proxy_set_header Upgrade $http_upgrade; proxy_set_header Connection $connection_upgrade; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-Proto https; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_redirect off; } } I don't know a lot about unix sockets and everything works fine using tcp/puma default. My rails app is in my user directory. Is that the problem?? socket is starting in /var/run--I can start in /tmp, but I've heard that's bad practice? Provided I start the server in /tmp, I then can't access it via the server's ip--then what? I'm happy to provide any needed info, I just don't know a whole lot about server/nginx/puma.

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  • ssh: which side is running the SOCKS proxy?

    - by Barry Brown
    When I set up a tunnel using dynamic forwarding (ssh -D), which side is running the SOCKS proxy? That is, is the proxy running on the local end (client) or the remote end (server)? Here's the situation: I want to set up several tunnels chained together using -L. Should the -D tunnel be the last one in the chain or the first one? Edit: I found the answer to the second paragraph on Super User (the -D tunnel should be at the remotest end). But I'd still like to know where the proxy code is running.

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  • VMWare ESXi 5 - Expanded RAID 5 array - cannot access datastore

    - by Dayton Brown
    I'm using VMWare ESXi 5 and had a 2 TB RAID 5 setup on an HP DL360 with a P400i RAID card. I added two more 1 TB drives and using the SmartStart ACU, added the drives and expanded the logical disk. Now after booting back to ESXi, the server boots, but lists no available persistent storage. I've rescanned multiple times to no avail: the Datastore doesn't show up. I booted to GParted and the 1.8TB partition shows up, but it shows as unknown. Anyone have any good ideas? EDIT: Final Solution So after much gnashing of teeth, it was fairly simple to solve. I purchased an eSata 2 TB external drive and a PCI eSata card for my server. I then used Clonezilla to image the current partitions to my new external drive. You have to check "don't check drive sizes" in advanced mode, otherwise it will yell at you for have a smaller drive. For some reason my PCI card wouldn't boot on my HP server, so I hooked the drive up to another desktop I had, booted to VMWare, and copied the vmdk's to another drive. I'm going to blow out the RAID config and then create 1.5TB logical drives.

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  • Are these three brand new sticks of RAM really dead?

    - by David Brown
    I'm working on a Dell Dimension 4700 desktop for a friend. It came with 512MB of DDR2 RAM (two sticks of 256MB). One morning, it started blue screening on startup with no helpful error messages. It refused to boot into any form of Windows installation, including Safe Mode, original recovery disk, and my custom Windows PE disk. It did boot into the Ultimate Boot CD, so I ran memtest86, which reported errors everywhere. I removed one stick of RAM and the system booted up just fine. I moved the remaining stick into each slot and the system continued to operate normally, so I came to the conclusion that the stick that I removed was dead. I ordered an exact replacement, along with 2 more sticks of 256MB DDR2 (again, exactly the same as the original), bringing the total system memory to 1GB. Upon installing the three brand new sticks, the system blue screened again, this time stating that win32k.sys attempted to write to read-only memory. I inserted my custom Windows PE disk in order to get a better look at the memory dump with BlueScreenView, but it refused to boot and produced another blue screen, but without an error message. I removed each new stick one-by-one, restarting each time. It continued to blue screen until I was left with only the original stick. I then tried inserting the new sticks in various different orders, but this only produced more blue screens. I reinserted all three sticks (along with the original) and ran memtest86 again, which reported errors all over the place. So, now I'm right back where I started. I don't think it could be the slots themselves, because I can plug the original stick into any slot and it works just fine. System setup reports each stick correctly and shows the total as 1GB, however. It just seems strange to me that all three brand new sticks of RAM could be dead on arrival. Is there something I missed? Or should I just go ahead and RMA them?

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  • Experience with MooseFS?

    - by brown.2179
    Anyone have any experience using MooseFS? I want an easy distributed storage platform to store static data archive of about 10 TB and serve it to 20-40 nodes. Also I want to be able to add storage as the archive grows without having to rebuild the filesystem. I don't care if it's a bit slow. I just want it to be simple and stable. Basically from what I can see for OS X it's between MooseFS and Gluster. Any other suggestions?

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  • Iptables - forward email ports?

    - by Emmet Brown
    im trying to open some local ports (LAN) and then re-direct them to another server (WAN) using iptables. Here is my config: #WAN allow-hotplug eth1 auto eth1 iface eth1 inet static #Tarjeta red WAN address 192.168.2.2 gateway 192.168.2.1 netmask 255.255.255.0 #LAN allow-hotplug eth0 auto eth0 iface eth0 inet static address 192.168.16.6 netmask 255.255.255.0 network 192.168.16.0 broadcast 192.168.16.255 I try this: iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 110 -j DNAT --to 200.40.30.218:110 iptables -A FORWARD -p tcp -i eth0 -o eth1 -d 200.40.30.218 --dport 110 -j ACCEPT iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 25 -j DNAT --to 200.40.30.218:25 iptables -A FORWARD -p tcp -i eth0 -o ethq -d 200.40.30.218 --dport 25 -j ACCEPT but, it did not work. i also try changeing eth0 to eth1 (and eth1 to eth0) but nothing happened. Starting Nmap 5.00 ( http://nmap.org ) at 2011-10-03 14:44 UYST Interesting ports on 192.168.16.6: Not shown: 997 closed ports PORT STATE SERVICE 22/tcp open ssh 111/tcp open rpcbind 8080/tcp open http-proxy Im running debian. Can u guys help me to check what is happening? edit: IPTABLES-SAVE # Generated by iptables-save v1.4.8 on Mon Oct 3 15:43:14 2011 *mangle :PREROUTING ACCEPT [139993:77867651] :INPUT ACCEPT [139385:77761761] :FORWARD ACCEPT [186:12071] :OUTPUT ACCEPT [173556:74341650] :POSTROUTING ACCEPT [173734:74352988] COMMIT # Completed on Mon Oct 3 15:43:14 2011 # Generated by iptables-save v1.4.8 on Mon Oct 3 15:43:14 2011 *nat :PREROUTING ACCEPT [1649:190626] :POSTROUTING ACCEPT [6729:339646] :OUTPUT ACCEPT [6697:337660] -A PREROUTING -i eth0 -p tcp -m tcp --dport 110 -j DNAT --to-destination 200.40.30.218:110 -A PREROUTING -i eth0 -p tcp -m tcp --dport 25 -j DNAT --to-destination 200.40.30.218:25 COMMIT # Completed on Mon Oct 3 15:43:14 2011 # Generated by iptables-save v1.4.8 on Mon Oct 3 15:43:14 2011 *filter :INPUT ACCEPT [138307:77066136] :FORWARD ACCEPT [168:11207] :OUTPUT ACCEPT [172288:73655708] -A FORWARD -d 200.40.30.218/32 -i eth0 -o eth1 -p tcp -m tcp --dport 110 -j ACCEPT -A FORWARD -d 200.40.30.218/32 -i eth0 -o ethq -p tcp -m tcp --dport 25 -j ACCEPT COMMIT # Completed on Mon Oct 3 15:43:14 2011 Regards

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  • Desktop Fun: 21 Cool Ubuntu Wallpapers

    - by Vivek
    Ubuntu 10.04 was released last month, and comes with some breath taking design enhancements, and has some fabulous art work integrated into it. We’ve put together a collection of wallpapers to make it more customized. We thought of pulling out some of the best Ubuntu wallpapers in this post so that you have a good mix to choose from when you are slightly bored of the default Lucid Lynx (Ubuntu 10.04) wallpaper. The following is a collection of top 21 Ubuntu wallpapers. To download the wallpaper just click on the hyperlink above the image. Ubuntu Wallpapers EgFox Lucid Lynx Blue 2010 by ~Eg-Art EgFox Lucid Lynx K HD 2010 by ~Eg-Art Lucid Lynx 10 04 by ~Momez Ubokeh Wallpaper Pack by ~giantspeck lucid fog brown by ~darkburt EgFox Lucid Lynx HD 2010 by ~Eg-Art LTS 2010 by ~alkore31 Ubuntu Bokeh by ~ttk1opc Ubuntu Aurora by *monkeymagico Ubuntu by ~gorkisview Ubuntu Glow by ~BigAction Destroy Ubuntu by ~lukeroberts Ubuntu Triskell by ~deviantdark Ubuntu 2.0 by ~monsteer Ubuntu leaves by ~sizakor Ubuntu Bokeh by ~freyr Ubuntu Brown leather distress by *monkeymagico Ubuntu Black Metal Hex by *monkeymagico Ubuntu gusty 4 walls by ~yf19-sama Ubuntu Wallpaper by ~Ruzzy2006 ubuntu-Gloss by ~SWOriginal Enjoy the new wallpaper to suit your desktop. You also might want to make sure and check out our Desktop Fun section for more collections of cool wallpapers. Similar Articles Productive Geek Tips Windows 7 Welcome Screen Taking Forever? Here’s the Fix (Maybe)Allow Remote Control To Your Desktop On UbuntuCheck your Disk Usage on Ubuntu from the command lineDual Monitors: Use a Different Wallpaper on Each Desktop in Windows 7, Vista or XPDesktop Fun: Starship Theme Wallpapers TouchFreeze Alternative in AutoHotkey The Icy Undertow Desktop Windows Home Server – Backup to LAN The Clear & Clean Desktop Use This Bookmarklet to Easily Get Albums Use AutoHotkey to Assign a Hotkey to a Specific Window Latest Software Reviews Tinyhacker Random Tips VMware Workstation 7 Acronis Online Backup DVDFab 6 Revo Uninstaller Pro Enhance Your Laptop’s Battery Life With These Tips Easily Search Food Recipes With Recipe Chimp Tech Fanboys Field Guide Check these Awesome Chrome Add-ons iFixit Offers Gadget Repair Manuals Online Vista style sidebar for Windows 7

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  • Silverlight Cream for April 24, 2010 -- #846

    - by Dave Campbell
    In this Issue: Michael Washington, Timmy Kokke, Pete Brown, Paul Yanez, Emil Stoychev, Jeremy Likness, and Pavan Podila. Shoutouts: If you've got some time to spend, the User Experience Kit is packed with info: User Experience Kit, and just plain fun to navigate ... thanks Scott Barnes for reminding me about it! Jesse Liberty is looking for some help organizing and cataloging posts for a new project he's got going: Help Wanted Emil Stoychev posted Slides and demos from my talk on Silverlight 4 From SilverlightCream.com: Silverlight 4 Drag and Drop File Manager Michael Washington has a post up about a Silverlight Drag and Drop File Manager in MVVM, but a secondary important point about the post is that he and Alan Beasley followed strict Designer/Developer rules on this... you recognized Alan's ListBox didn't you? Changing CSS with jQuery syntax in Silverlight using jLight Timmy Kokke is using jLight as introduced in a prior post to interact with the DOM from Silverlight. Essential Silverlight and WPF Skills: The UI Thread, Dispatchers, Background Workers and Async Network Programming Pete Brown has a great backrounder up for WPF and Silverlight devs on threading and networking, good comments too so far. Fluid layout and Fullscreen in Silverlight Paul Yanez has a quick post and demo up on forcing full-screen with a fluid layout, all code included -- and it doesn't take much Data Binding in Silverlight Emil Stoychev has a great long tutorial up on DataBinding in Silverlight ... he hits all the major points with text, samples, and code... definitely one to read! Yet Another MVVM Locator Pattern Another not-necessarily Silverlight post from Jeremy Likness -- but definitely a good one on MVVM and locator patterns. The SpiderWebControl for Silverlight Pavan Podila has a 'SpiderWebControl' for Silverlight 4 up... this is a great network graph control with any sort of feature I can think of... check out the demo, then grab the code... or the other way around, your choice :) Stay in the 'Light! Twitter SilverlightNews | Twitter WynApse | WynApse.com | Tagged Posts | SilverlightCream Join me @ SilverlightCream | Phoenix Silverlight User Group Technorati Tags: Silverlight    Silverlight 3    Silverlight 4    Windows Phone MIX10

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  • ArchBeat Link-o-Rama for 11/30/2011

    - by Bob Rhubart
    Coding - the new Latin | @BBCRoryCJ BBC Technology Correspondent Rory Cellan-Jones reports on why "the campaign to boost the teaching of computer skills - particularly coding - in schools is gathering force." BPM Business Value Patterns | SOA Partner Community Blog Juergen Kress shares the presentation he and Matthias Ziegler from Accenture delivered at the SOA & BPM Integration Days event in Germany in October. Coherence 3.7.1 Resources Busy blogger Juergen Kress shares links to screencasts and other resources for those interested in Oracle Coherence 3.7.1. OBIEE 11.1.1 - Introduction to OBIEE 11g Full Sample App "The OBIEE 11g Full Sample App (FSA) is a comprehensive collection of examples designed to demonstrate the latest Oracle BIEE 11g capabilities and design best practices." Solaris 11 Customer Maintenance Lifecycle | Gerry Haskins Gerry Haskins launches a new blog devoted to Solaris "policies, best practices, clarifications, and lots of other stuff." Harnessing Business Events for Predictive Decision Making - part 1 / 3 | Sanjeev Sharma "Data growth is outpacing storage capacity by a factor of two and computing power is still very much bounded by Moore's Law, doubling only every 18 months," says Sanjeev Sharma. The Latest Research from the SEI | Douglas C. SchmidtSchmidt shares information on several recently published Software Engineering Institute (SEI) technical reports that "highlight the latest work of SEI technologists in Agile methods, insider threat,the SMART Grid Maturity Model, acquisition, and CMMI." Tiger/Line Shape Files and Oracle | Bradley D. Brown "Have you ever needed to load an ESRI "shape file" and wondered if that's an easy effort or a difficult effort? I know I have and I assumed that it was a pretty difficult effort. However, I learned today that's actually pretty easy!" -- Oracle ACE Director Bradley Brown of TUSC. Webcast: Enterprise Clouds with Oracle VM Tuesday, December 6, 2011, 9:00 am PT / Noon ET. Featuring Adam Hawley (Senior Director of Product Management, Oracle) and Dan Herrup (Principal Systems Engineer, Oracle Corporate Citizenship). SOA Made Simple; Architects in AZ; Cloud Migration Introduction This week on the Architect Home Page on OTN.

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  • links for 2011-02-25

    - by Bob Rhubart
    The (non) Importance of Language (Enterprise Architecture at Oracle) (tags: ping.fm entarch) ArchBeat (tags: ping.fm) Andrejus Baranovskis's Blog: Beware of Hackers - Keep ADF Task Flows inside WEB-INF Oracle ACE Director Andrejus Baranovskis with a word of caution. (tags: oracle oracleace otn adf) Introduction to WebCenter Personalization: The Conductor; (WebCenter Personalization) Steve Pepper offers an introduction to the Conductor component in Oracle WebCenter Personalization. (tags: oracle otn webcenter enterprise2.0) Batch Aggregation of files in BPEL process instances based on correlation AMIS Technology blog Oracle ACE Director Lucas Jellema shares his solution to a colleague's challenge. (tags: oracle otn oracleace soa bpel) Bradley D. Brown: Watch Out Larry...Here they Come! "Every Fortune 500 company that I've talked to in the last few months is trying to figure out their mobile strategy. Organizations are getting the push from the top down - i.e. executives are asking for data from their mobile devices." - Oracle ACE Director Brad Brown (tags: oracle otn ipad mobilecomputing entarch oracleace) Oracle Technology Network Developer Day - You are the future of Java. Boston, March 3. Designed for the enterprise professional, this event will teach you about the latest developments in the Java Virtual Machine, Java EE, Java SE, Java on the Desktop, and Embedded Java. Whether you're a developer or architect, or managing a team of them, this is an event you can't miss. (tags: oracle otn java)

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  • ArchBeat Link-o-Rama for December 14, 2012

    - by Bob Rhubart
    JMS Step 6 - How to Set Up an AQ JMS (Advanced Queueing JMS) for SOA Purposes | John-Brown Evans John Brown Evans' post continues the series of JMS articles that demonstrate how to use JMS queues in a SOA context. "This example leads you through the creation of an Oracle database Advanced Queue and the related WebLogic server objects in order to use AQ JMS in connection with a SOA composite," John explains. And if you missed the first 5 steps, don't worry – the post includes links. Cloud Deployment Models | B. R. Clouse Looking out for the cloud newbies... "As the cloud paradigm grows in depth and breadth, more readers are approaching the topic for the first time, or from a new perspective," says B. R. Clouse. "This blog is a basic review of cloud deployment models, to help orient newcomers and neophytes." Understanding the JSF Lifecycle and ADF Optimized Lifecycle | Steven Davelaar Would you call that a surprise ending? Oracle WebCenter & ADF Architecture Team (A-Team) member learned a lot more than he expected while creating a UKOUG presentation entitled "What you need to know about JSF to be succesful with ADF." Using Oracle Enterprise Manager Cloud Control 12c with Filer Snapshotting | Porus Homi Havewala This concise technical article includes a script for database backup using snapshots and cataloging in RMAN. Thought for the Day "A program which perfectly meets a lousy specification is a lousy program." — Cem Kaner Source: SoftwareQuotes.com

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  • How to visually "connect" skybox edges with terrain model

    - by David
    I'm working on a simple airplane game where I use skybox cube rendered using disabled depth test. Very close to the bottom side of the skybox is my terrain model. What bothers me is that the terrain is not connected to the skybox bottom. This is not visible while the plane flies low, but as it gets some altitude, the terrain looks smaller because of the perspective. Since the skybox center is always same as the camera position, the skybox moves with the plane, but the terrain goes into the distance. Ok, I think you understand the problem. My question is how to fix it. It's an airplane game so limiting max altitude is not possible. I thought about some way to stretch terrain to always cover whole bottom side of the skybox cube, but that doesn't feel right and I don't even know how would I calculate new terrain dimensions every frame. Here are some screenshot of games where you can clearly see the problem: (oops, I cannot post images yet) darker brown is the skybox bottom here: http://i.stack.imgur.com/iMsAf.png untextured brown is the skybox bottom here: http://i.stack.imgur.com/9oZr7.png

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  • Table header is not shown

    - by Vivien
    My error is that the table headers of my two tables are not shown. Right now I am setting the header with new JTable(data, columnNames). Here is an example which shows, my problem: public class Test extends JFrame { private static final long serialVersionUID = -4682396888922360841L; private JMenuBar menuBar; private JMenu mAbout; private JMenu mMain; private JTabbedPane tabbedPane; public SettingsTab settings = new SettingsTab(); private void addMenuBar() { menuBar = new JMenuBar(); mMain = new JMenu("Main"); mAbout = new JMenu("About"); menuBar.add(mMain); menuBar.add(mAbout); setJMenuBar(menuBar); } public void createTabBar() { tabbedPane = new JTabbedPane(JTabbedPane.TOP); tabbedPane.addTab("Settings", settings.createLayout()); add(tabbedPane); tabbedPane.setTabLayoutPolicy(JTabbedPane.SCROLL_TAB_LAYOUT); } private void makeLayout() { setTitle("Test"); setLayout(new BorderLayout()); setPreferredSize(new Dimension(1000, 500)); addMenuBar(); createTabBar(); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); pack(); setVisible(true); } public void start() { javax.swing.SwingUtilities.invokeLater(new Runnable() { public void run() { makeLayout(); } }); } public static void main(String[] args) { Test gui = new Test(); gui.start(); } public class SettingsTab extends JPanel { public JScrollPane createLayout() { JPanel panel = new JPanel(new MigLayout("")); JScrollPane sp = new JScrollPane(panel); sp.setVerticalScrollBarPolicy(ScrollPaneConstants.VERTICAL_SCROLLBAR_ALWAYS); panel.add(table1(), "growx, wrap"); panel.add(Box.createRigidArea(new Dimension(0,10))); panel.add(table2()); // panel.add(Box.createRigidArea(new Dimension(0,10))); return sp; } public JPanel table1() { JPanel panel1 = new JPanel(); String[] columnNames = {"First Name", "Last Name"}; Object[][] data = { {"Kathy", "Smith"}, {"John", "Doe"}, {"Sue", "Black"}, {"Jane", "White"}, {"Joe", "Brown"}, {"John", "Doe"}, {"Sue", "Black"}, {"Jane", "White"}, {"Joe", "Brown"} }; final JTable table = new JTable(data, columnNames); tableProperties(table); panel1.add(table); panel1.setLayout(new BoxLayout(panel1, BoxLayout.Y_AXIS)); return panel1; } public JPanel table2() { JPanel panel1 = new JPanel(); String[] columnNames = {"First Name", "Last Name"}; Object[][] data = { {"Kathy", "Smith"}, {"John", "Doe"}, {"Sue", "Black"}, {"Jane", "White"}, {"Joe", "Brown"}, {"John", "Doe"}, {"Sue", "Black"}, {"Jane", "White"}, {"Joe", "Brown"} }; final JTable table = new JTable(data, columnNames); table.setPreferredScrollableViewportSize(new Dimension(500, 70)); table.setFillsViewportHeight(true); tableProperties(table); panel1.add(table); panel1.setLayout(new BoxLayout(panel1, BoxLayout.Y_AXIS)); return panel1; } public void tableProperties(JTable table) { table.setAutoResizeMode(JTable.AUTO_RESIZE_ALL_COLUMNS); table.repaint(); table.revalidate(); } } } Any recommendations what I am doing wrong?

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  • Scheduling runtime-specified Activity in Workflow 4 RC

    - by johnny g
    Hi, so I have this requirement to kick off Activities provided to me at run-time. To facilitate this, I have set up a WorkflowService that receives Activities as Xaml, hydrates them, and kicks them off. Sounds simple enough ... ... this is my WorkflowService in Xaml <Activity x:Class="Workflow.Services.WorkflowService.WorkflowService" ... xmlns:local1="clr-namespace:Workflow.Activities" > <Sequence sap:VirtualizedContainerService.HintSize="277,272"> <Sequence.Variables> <Variable x:TypeArguments="local:Workflow" Name="Workflow" /> </Sequence.Variables> <sap:WorkflowViewStateService.ViewState> <scg3:Dictionary x:TypeArguments="x:String, x:Object"> <x:Boolean x:Key="IsExpanded">True</x:Boolean> </scg3:Dictionary> </sap:WorkflowViewStateService.ViewState> <p:Receive CanCreateInstance="True" DisplayName="ReceiveSubmitWorkflow" sap:VirtualizedContainerService.HintSize="255,86" OperationName="SubmitWorkflow" ServiceContractName="IWorkflowService"> <p:ReceiveParametersContent> <OutArgument x:TypeArguments="local:Workflow" x:Key="workflow">[Workflow]</OutArgument> </p:ReceiveParametersContent> </p:Receive> <local1:InvokeActivity Activity="[ActivityXamlServices.Load(New System.IO.StringReader(Workflow.Xaml))]" sap:VirtualizedContainerService.HintSize="255,22" /> </Sequence> </Activity> ... which, except for repetitive use of "Workflow" is pretty straight forward. In fact, it's just a Sequence with a Receive and [currently] a custom Activity called InvokeActivity. Get to that in a bit. Receive Activity accepts a custom type, [DataContract] public class Workflow { [DataMember] public string Xaml { get; set; } } which contains a string whose contents are to be interpreted as Xaml. You can see the VB expression that then converts this Xaml to an Activity and passes it on. Now this second bit, the custom InvokeActivity is where I have questions. First question: 1) given an arbitrary task, provided at runtime [as described above] is it possible to kick off this Activity using Activities that ship with WF4RC, out of the box? I'm fairly new, and thought I did a good job going through the API and existing documentation, but may as well ask :) Second: 2) my first attempt at implementing a custom InvokeActivity looked like this public sealed class InvokeActivity : NativeActivity { private static readonly ILog _log = LogManager.GetLogger (typeof (InvokeActivity)); public InArgument<Activity> Activity { get; set; } public InvokeActivity () { _log.DebugFormat ("Instantiated."); } protected override void Execute (NativeActivityContext context) { Activity activity = Activity.Get (context); _log.DebugFormat ("Scheduling activity [{0}]...", activity.DisplayName); // throws exception to lack of metadata! :( ActivityInstance instance = context.ScheduleActivity (activity, OnComplete, OnFault); _log.DebugFormat ( "Scheduled activity [{0}] with instance id [{1}].", activity.DisplayName, instance.Id); } protected override void CacheMetadata (NativeActivityMetadata metadata) { // how does one add InArgument<T> to metadata? not easily // is my first guess base.CacheMetadata (metadata); } // private methods private void OnComplete ( NativeActivityContext context, ActivityInstance instance) { _log.DebugFormat ( "Scheduled activity [{0}] with instance id [{1}] has [{2}].", instance.Activity.DisplayName, instance.Id, instance.State); } private void OnFault ( NativeActivityFaultContext context, Exception exception, ActivityInstance instance) { _log.ErrorFormat ( @"Scheduled activity [{0}] with instance id [{1}] has faulted in state [{2}] {3}", instance.Activity.DisplayName, instance.Id, instance.State, exception.ToStringFullStackTrace ()); } } Which attempts to schedule the specified Activity within the current context. Unfortunately, however, this fails. When I attempt to schedule said Activity, the runtime returns with the following exception The provided activity was not part of this workflow definition when its metadata was being processed. The problematic activity named 'DynamicActivity' was provided by the activity named 'InvokeActivity'. Right, so the "dynamic" Activity provided at runtime is not a member of InvokeActivitys metadata. Googled and came across this. Couldn't sort out how to specify an InArgument<Activity> to metadata cache, so my second question is, naturally, how does one address this issue? Is it ill advised to use context.ScheduleActivity (...) in this manner? Third and final, 3) I have settled on this [simpler] solution for the time being, public sealed class InvokeActivity : NativeActivity { private static readonly ILog _log = LogManager.GetLogger (typeof (InvokeActivity)); public InArgument<Activity> Activity { get; set; } public InvokeActivity () { _log.DebugFormat ("Instantiated."); } protected override void Execute (NativeActivityContext context) { Activity activity = Activity.Get (context); _log.DebugFormat ("Invoking activity [{0}] ...", activity.DisplayName); // synchronous execution ... a little less than ideal, this // seems heavy handed, and not entirely semantic-equivalent // to what i want. i really want to invoke this runtime // activity as if it were one of my own, not a separate // process - wrong mentality? WorkflowInvoker.Invoke (activity); _log.DebugFormat ("Invoked activity [{0}].", activity.DisplayName); } } Which simply invokes specified task synchronously within its own runtime instance thingy [use of WF4 vernacular is certainly questionable]. Eventually, I would like to tap into WF's tracking and possibly persistance facilities. So my third and final question is, in terms of what I would like to do [ie kick off arbitrary workflows inbound from client applications] is this the preferred method? Alright, thanks in advance for your time and consideration :)

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  • Python - retrieving info from a syslog file

    - by Johnny
    Ive been asked to do a program using python for an assignment. Ive been given a syslog file and I have to find things out about it How do I find out how many attempts were made to login to the root account? Any advice would be highly appreciated as Im very new to python an completely lost!

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  • Warning: array_multisort() [function.array-multisort]: Argument #1 is expected to be an array or a

    - by johnny
    Hi, the following code produces the error in the title. I've tried to google it, but all I got were pages who got the same error (and not an explanation thereof). This isn't really a problem since it's actually working and cancelling the error out with the @ works out just fine. Though I'm still wondering why I haven't been able to execute array_multisort just once without getting this error. public function getMostRelevant(){ list($occurrences, $keywords) = $this->occurr_keyw_array; array_multisort($occurrences, SORT_DESC, SORT_NUMERIC, $keywords); $return_array = array( array($occurrences[0], $keywords[0]), array($occurrences[1], $keywords[1]), array($occurrences[2], $keywords[2]) ); return $return_array; }

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  • Filter a wpf collectionviewsource in VB?

    - by Johnny Westlake
    Hi, I want to filter a collectionviewsource using a filter I've written, but I'm not sure how I can apply the filter to it? Here is my collection view source: <Grid.Resources> <CollectionViewSource x:Key="myCollectionView" Source="{Binding Path=Query4, Source={x:Static Application.Current}}"> <CollectionViewSource.SortDescriptions> <scm:SortDescription PropertyName="ContactID" Direction="Descending"/> </CollectionViewSource.SortDescriptions> </CollectionViewSource> </Grid.Resources> I have implemented a filter as such: Private Sub WorkerFilter(ByVal sender As Object, ByVal e As FilterEventArgs) Dim value As Object = CType(e.Item, System.Data.DataRow)("StaffSection") If (Not value Is Nothing) And (Not value Is DBNull.Value) Then If (value = "Builder") Or (value = "Office Staff") Then e.Accepted = True Else e.Accepted = False End If End If End Sub So how can I get the CollectionViewSource filtered by the filter on load? Could you please give all hte code I need (only a few lines I figure) as I'm quite new to coding. Thanks guys EDIT: For the record, <CollectionViewSource x:Key="myCollectionView" Filter="WorkerFilter" ... /> gives me the error: Failed object initialization (ISupportInitialize.EndInit). 'System.Windows.Data.BindingListCollectionView' view does not support filtering. Error at object 'myCollectionView'

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  • Duplicate image with Haxe

    - by Johnny Oin
    Hello, My goal is to make a wide map using only one square image. Using actionscript 3 the solution is to simply make new Bitmap from the Loader: var loader:Loader = new Loader(); loader.load(new URLRequest("xyz.png")); this.addChild(loader); var duplicationBitmap:Bitmap = new Bitmap(Bitmap(loader.content).bitmapData); Unluckily, Haxe API doesn't allow to do that. I can't get bitmapData from loader content… Anyone has a clue? Thanks.

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  • SO_LINGER and closing sockets(WINSOCK)

    - by Johnny Walked
    hey. im writing a multithreaded winsock application and im having some issues with closing the sockets. first of all, is there a limit for a number of simultaneously open sockets? lets say like 32 sockets all in once. i establish a connection on one of the sockets, and passing information and it all goes right. problem is when i disconnect the socket and then reconnect to the same destination, i get a RST from the server after my SYN. i dont have the code for the server app so i cant debug it. when i used SO_LINGER and it sent a RST flag at the end of each session - it worked. but i dont want to end my connections this way. when not using SO_LINGER a FIN flag was sent but it seems the connection was not really closed. any help? thanks

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  • XML deserialization problem (attribute with a namespace)

    - by Johnny
    hi, I'm trying to deserialize the following XML node (RDF actually) into a class. <rdf:Description rdf:about="http://d.opencalais.com/genericHasher-1/dae360d4-25f1-34a7-9c70-d5f7e4cfe175"> <rdf:type rdf:resource="http://s.opencalais.com/1/type/em/e/Country"/> <c:name>Egypt</c:name> </rdf:Description> [Serializable] [XmlRoot(Namespace = "http://www.w3.org/1999/02/22-rdf-syntax-ns#", ElementName = "Description")] public class BasicEntity { [XmlElement(Namespace = "http://s.opencalais.com/1/pred/", ElementName = "name")] public string Name { get; set; } [XmlAttribute("about", Namespace = "http://www.w3.org/1999/02/22-rdf-syntax-ns#")] public string Uri { get; set; } } The name element is parsed correctly but the about attribute isn't. What am I doing wrong?

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  • Is ASP.NET MVC destined to replace Webforms?

    - by johnny
    I found these questions, but a couple of them were a little old: http://stackoverflow.com/questions/191556/should-i-pursue-asp-net-webforms-or-asp-net-mvc http://stackoverflow.com/questions/88787/do-you-think-asp-net-mvc-will-compete-with-asp-net-webforms http://stackoverflow.com/questions/722637/asp-net-mvc-asp-net-webforms-why I do not believe these are duplicates and might be old enough that new light can be shed. If not please close this. I know that no one framework or language is necessarily the only tool for every job. But, do you see MVC eclipsing webforms or webforms going lower on the priority list for Microsoft? They will have to keep webforms for a long time because so many have invested in it, but they don't have to keep adding new functionality for it. I don't know if this is a good example, but it reminds me of web parts. I never saw much improvement in it from Microsoft. It works and I thought it was great until I started to really try and get a lot out of it. Then from what I could see it just wasn't being pursued by Microsoft that much, though it stayed in Visual Studio. Maybe that's a bad example; just what I remembered. EDIT: Also, if anyone has any statements from Microsoft on this subject it is appreciated. No offense to anyone. I was only hoping for something official.

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