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  • Call c++ function pointer from c#

    - by Sam
    Is it possible to call a c(++) static function pointer like this typedef int (*MyCppFunc)(void* SomeObject); from c#? void CallFromCSharp(MyCppFunc funcptr, IntPtr param) { funcptr(param); } I need to be able to callback from c# into some old c++ classes. C++ is managed, but the classes are not ref classes (yet). So far I got no idea how to call a c++ function pointer from c#, is it possible?

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  • ThreadQueue problems in "Accelerated C# 2008"

    - by Singlet
    Example for threading queue book "Accelerated C# 2008" (CrudeThreadPool class) not work correctly. If I insert long job in WorkFunction() on 2-processor machine executing for next task don't run before first is over. How to solve this problem? I want to load the processor to 100 percent public class CrudeThreadPool { static readonly int MAX_WORK_THREADS = 4; static readonly int WAIT_TIMEOUT = 2000; public delegate void WorkDelegate(); public CrudeThreadPool() { stop = 0; workLock = new Object(); workQueue = new Queue(); threads = new Thread[ MAX_WORK_THREADS ]; for( int i = 0; i < MAX_WORK_THREADS; ++i ) { threads[i] = new Thread( new ThreadStart(this.ThreadFunc) ); threads[i].Start(); } } private void ThreadFunc() { lock( workLock ) { int shouldStop = 0; do { shouldStop = Interlocked.Exchange( ref stop, stop ); if( shouldStop == 0 ) { WorkDelegate workItem = null; if( Monitor.Wait(workLock, WAIT_TIMEOUT) ) { // Process the item on the front of the queue lock( workQueue ) { workItem =(WorkDelegate) workQueue.Dequeue(); } workItem(); } } } while( shouldStop == 0 ); } } public void SubmitWorkItem( WorkDelegate item ) { lock( workLock ) { lock( workQueue ) { workQueue.Enqueue( item ); } Monitor.Pulse( workLock ); } } public void Shutdown() { Interlocked.Exchange( ref stop, 1 ); } private Queue workQueue; private Object workLock; private Thread[] threads; private int stop; } public class EntryPoint { static void WorkFunction() { Console.WriteLine( "WorkFunction() called on Thread {0}",Thread.CurrentThread.GetHashCode() ); //some long job double s = 0; for (int i = 0; i < 100000000; i++) s += Math.Sin(i); } static void Main() { CrudeThreadPool pool = new CrudeThreadPool(); for( int i = 0; i < 10; ++i ) { pool.SubmitWorkItem( new CrudeThreadPool.WorkDelegate( EntryPoint.WorkFunction) ); } pool.Shutdown(); } }

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  • Adding sidebar to a Facebook FanPage

    - by HollerTrain
    I am viewing the Barcardi fanpage (http://www.facebook.com/home.php?#!/bacardi?v=wall&ref=ts) and I see on their wall tab they have a sidebar area they place an advert (probably html) - http://screencast.com/t/ZGE2MDhlMDM. Thoughts on how I can get this for my fan page?

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  • Passing C string reference to C#

    - by user336109
    c code extern "C" __declspec(dllexport) int export(LPCTSTR inputFile, string &msg) { msg = "haha" } c# code [DllImport("libXmlEncDll.dll")] public static extern int XmlDecrypt(StringBuilder inputFile, ref Stringbuilder newMsg) } I got an error when I try to retrieve the content of newMsg saying that I'm trying to write to a protected memory area. What is the best way to retrieve the string from c to c#. Thanks.

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  • What is the first ORM framework?

    - by user1014315
    I'm doing a presentation about history of software engineering and stuck at this question due to the lack of available information. According to my quick research, TopLink is the first ORM framework ever created (in 1990s, certainly before 1996). If anyone else has a different opinion, please let me know. (Please also provide a link to the reference sources) Ref: http://en.wikipedia.org/wiki/List_of_object-relational_mapping_software http://en.wikipedia.org/wiki/TopLink

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  • getting a slide of 'data' returned by $.ajax

    - by Thau
    With $.ajax i'm getting a page dinamicly generated via PHP code, in the HTML returned I need only one object ('lwrapper' in my code). How can I grabber 'lwrapper' from 'data' returned. this is my code $.ajax({ url: ref, //the url cache: false, success: function(data){ //code to get the slide of data //slide = $("lwrapper",data) //not working $('wrapper').html(slide); } });

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  • Getting OperationName in RequestInterceptor

    - by zak
    I have implemented a custom requestor interceptor for the purpose of authenticating requests, similar to below. I am trying to get the operation name in ProcessRequest and unable to. Can anyone let me know how do I get the operation name here? public class SampleInterceptor: Microsoft.ServiceModel.Web.RequestInterceptor { public SampleInterceptor() : base(true) { } public override void ProcessRequest(ref System.ServiceModel.Channels.RequestContext requestContext) { //need the operation name here to authenticate } }

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  • Can't logging in file from tomcat6 with log4j

    - by Ivan Nakov
    I have one stupid problem, which is killing me from hours. I'm trying to configure loggin to my project. I started with a simple Spring MVC project generated by STS, then added org.apache.log4j.RollingFileAppender to the existing log4j.xml file. <?xml version="1.0" encoding="UTF-8"?> <!-- Appenders --> <appender name="console" class="org.apache.log4j.ConsoleAppender"> <param name="Target" value="System.out" /> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="%-5p: %c - %m%n" /> </layout> </appender> <appender name="FilleAppender" class="org.apache.log4j.RollingFileAppender"> <param name="maxFileSize" value="100KB" /> <param name="maxBackupIndex" value="2" /> <param name="File" value="/home/ivan/Desktop/app.log" /> <layout class="org.apache.log4j.PatternLayout"> <param name="ConversionPattern" value="%d{ABSOLUTE} %5p %c{1}: %m%n " /> </layout> </appender> <!-- Application Loggers --> <logger name="org.elsys.logger"> <level value="debug" /> </logger> <!-- 3rdparty Loggers --> <logger name="org.springframework.core"> <level value="info" /> </logger> <logger name="org.springframework.beans"> <level value="info" /> </logger> <logger name="org.springframework.context"> <level value="info" /> </logger> <logger name="org.springframework.web"> <level value="info" /> </logger> <!-- Root Logger --> <root> <priority value="debug" /> <appender-ref ref="FilleAppender" /> </root> When I deploy project to tomcat6 server and open the url, logger doesn't generate log file. I'm trying to log from this controller: @Controller public class HomeController { private static final Logger logger = LoggerFactory.getLogger(HomeController.class); /** * Simply selects the home view to render by returning its name. */ @RequestMapping(value = "/", method = RequestMethod.GET) public String home(Locale locale, Model model) { logger.info("Welcome home! the client locale is "+ locale.toString()); Date date = new Date(); DateFormat dateFormat = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale); String formattedDate = dateFormat.format(date); logger.debug("send view"); model.addAttribute("serverTime", formattedDate ); return "home"; } } When I log from this simple Main.class, it works correct. public class Main { public static void main(String[] args) { Logger log = LoggerFactory.getLogger(Main.class); log.debug("Test"); } } I'm using tomcat6 and Ubuntu 11.10. I made a research in net and i found various options to fix this problem, but they don't help me. Please if someone have ideas how to fix it, help me.

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  • arp -n responds with (incomplete) on the wrong subnet, can't remove it

    - by Hannes
    context There are 2 servers: server1 - eth0 10.129.76.16 eth0.2 192.168.0.103 server2 - eth0 10.129.79.1 eth0.2 192.168.62.101 The 192.x.x.x addresses are connected to the same vlan (vlan2) and are able to see eachother. The 10.x.x.x addresses are connected to different vlan's which are not able to see eachother. on request of David Swartz: the routing table on server 1 is: ~$ sudo route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.129.76.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 192.168.0.0 0.0.0.0 255.255.192.0 U 0 0 0 eth0.2 0.0.0.0 192.168.61.254 0.0.0.0 UG 100 0 0 eth0.2 the routing table on server 2 is: ~$ sudo route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 <public IP gw> 0.0.0.0 UG 100 0 0 eth0.11 10.129.79.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 <public IP> 0.0.0.0 255.255.255.128 U 0 0 0 eth0.11 192.168.0.0 0.0.0.0 255.255.192.0 U 0 0 0 eth0.2 Problem: When I ping from server 1 to server 2, it seems no packets are arriving and vice versa. When I check the routes (route -n) I see the default gw uses eth0.2 on both servers. But when I use arping, I get a response one way (from server 2 to server 1) but no response vice versa. arping 192.168.62.101 ARPING 192.168.62.101 from 10.129.76.16 eth0 ^CSent 2 probes (2 broadcast(s)) Received 0 response(s) As you can see it uses the 10.x.x.x address instead of the 192.x.x.x. And as I told before, the 10.x.x.x address is unreachable from the other server. When I force arping to use eth0.2, it does work. I don't have any problems with ping'ing other servers from any of those 2 servers. I did see this in the arp tables: ~# arp -n | grep 192.168.0.103 192.168.0.103 (incomplete) eth0 and ~# arp -n | grep 192.168.62.101 Question quite obvious... How can I make these servers see each other again? Things I've tied clear the apropriate entries in the arptable and tried to get rid of the (incomplete) But I think the biggest problem is that eth0 is used instead of eth0.2 for the packets from server 1 to server 2 Because of David Swartz' remark about the routing tables, I added a route in there defining the host. I added 192.168.0.103 0.0.0.0 255.255.255.255 UH 0 0 0 eth0.2 and 192.168.62.101 0.0.0.0 255.255.255.255 UH 0 0 0 eth0.2 to the appropriate servers but this didn't solve the problem so I presume the problem is not in the routing. My guess I guess the problem lies in the following. ~$ arp -n | grep 192.168.0.103 192.168.0.103 (incomplete) eth0 but I'm unable to remove this entry. (arp -d 192.168.0.103 has no effect) Thanks for reading and even more thanks for answering!

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  • Howto Nginx + git-http-backend + fcgiwrap (Debian Squeeze)

    - by brainsqueezer
    I am trying to setup git-http-backend with Nginx but after 24 hours wasting time and reading everything I could I think this config should work but doesn't. server { listen 80; server_name mydevserver; access_log /var/log/nginx/dev.access.log; error_log /var/log/nginx/dev.error.log; location / { root /var/repos; } location ~ /git(/.*) { gzip off; root /usr/lib/git-core; fastcgi_pass unix:/var/run/fcgiwrap.socket; include /etc/nginx/fastcgi_params2; fastcgi_param SCRIPT_FILENAME /usr/lib/git-core/git-http-backend; fastcgi_param DOCUMENT_ROOT /usr/lib/git-core/; fastcgi_param SCRIPT_NAME git-http-backend; fastcgi_param GIT_HTTP_EXPORT_ALL ""; fastcgi_param GIT_PROJECT_ROOT /var/repos; fastcgi_param PATH_INFO $1; #fastcgi_param PATH_TRANSLATED $document_root$fastcgi_path_info; } } Content of /etc/nginx/fastcgi_params2 fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_param SCRIPT_NAME $fastcgi_script_name; fastcgi_param REQUEST_URI $request_uri; fastcgi_param DOCUMENT_URI $document_uri; fastcgi_param DOCUMENT_ROOT $document_root; fastcgi_param SERVER_PROTOCOL $server_protocol; fastcgi_param GATEWAY_INTERFACE CGI/1.1; fastcgi_param SERVER_SOFTWARE nginx/$nginx_version; fastcgi_param REMOTE_ADDR $remote_addr; fastcgi_param REMOTE_PORT $remote_port; fastcgi_param SERVER_ADDR $server_addr; fastcgi_param SERVER_PORT $server_port; fastcgi_param SERVER_NAME $server_name; fastcgi_param REMOTE_USER $remote_user; # required if PHP was built with --enable-force-cgi-redirect fastcgi_param REDIRECT_STATUS 200; but config seems not working $ git clone http://mydevserver/git/myprojectname/ Cloning into myprojectname... warning: remote HEAD refers to nonexistent ref, unable to checkout. and I can request an unexistant project and I will get the same answer $ git clone http://mydevserver/git/thisprojectdoesntexist/ Cloning into thisprojectdoesntexist... warning: remote HEAD refers to nonexistent ref, unable to checkout. If I change root to /usr/lib I will get a 403 error and this will be reported to nginx error log: 2011/11/23 15:52:46 [error] 5224#0: *55 FastCGI sent in stderr: "Cannot get script name, is DOCUMENT_ROOT and SCRIPT_NAME set and is the script executable?" while reading response header from upstream, client: 198.168.0.4, server: mydevserver, request: "GET /git/myprojectname/info/refs HTTP/1.1", upstream: "fastcgi://unix:/var/run/fcgiwrap.socket:", host: "mydevserver" My main trouble is with the correct root value with this configuration. Maybe there are some permissions problems. Notes: /var/repos/ is owned by www-data and contains folders bit git bare repos. All this works perfectly using ssh. If I go with my browser to http://mydevserver/git/myproject/info/refs it is answered by git-http-backend asking me to send a command. /var/run/fcgiwrap.socket has 777 permissions.

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  • A Guided Tour of Complexity

    - by JoshReuben
    I just re-read Complexity – A Guided Tour by Melanie Mitchell , protégé of Douglas Hofstadter ( author of “Gödel, Escher, Bach”) http://www.amazon.com/Complexity-Guided-Tour-Melanie-Mitchell/dp/0199798109/ref=sr_1_1?ie=UTF8&qid=1339744329&sr=8-1 here are some notes and links:   Evolved from Cybernetics, General Systems Theory, Synergetics some interesting transdisciplinary fields to investigate: Chaos Theory - http://en.wikipedia.org/wiki/Chaos_theory – small differences in initial conditions (such as those due to rounding errors in numerical computation) yield widely diverging outcomes for chaotic systems, rendering long-term prediction impossible. System Dynamics / Cybernetics - http://en.wikipedia.org/wiki/System_Dynamics – study of how feedback changes system behavior Network Theory - http://en.wikipedia.org/wiki/Network_theory – leverage Graph Theory to analyze symmetric  / asymmetric relations between discrete objects Algebraic Topology - http://en.wikipedia.org/wiki/Algebraic_topology – leverage abstract algebra to analyze topological spaces There are limits to deterministic systems & to computation. Chaos Theory definitely applies to training an ANN (artificial neural network) – different weights will emerge depending upon the random selection of the training set. In recursive Non-Linear systems http://en.wikipedia.org/wiki/Nonlinear_system – output is not directly inferable from input. E.g. a Logistic map: Xt+1 = R Xt(1-Xt) Different types of bifurcations, attractor states and oscillations may occur – e.g. a Lorenz Attractor http://en.wikipedia.org/wiki/Lorenz_system Feigenbaum Constants http://en.wikipedia.org/wiki/Feigenbaum_constants express ratios in a bifurcation diagram for a non-linear map – the convergent limit of R (the rate of period-doubling bifurcations) is 4.6692016 Maxwell’s Demon - http://en.wikipedia.org/wiki/Maxwell%27s_demon - the Second Law of Thermodynamics has only a statistical certainty – the universe (and thus information) tends towards entropy. While any computation can theoretically be done without expending energy, with finite memory, the act of erasing memory is permanent and increases entropy. Life & thought is a counter-example to the universe’s tendency towards entropy. Leo Szilard and later Claude Shannon came up with the Information Theory of Entropy - http://en.wikipedia.org/wiki/Entropy_(information_theory) whereby Shannon entropy quantifies the expected value of a message’s information in bits in order to determine channel capacity and leverage Coding Theory (compression analysis). Ludwig Boltzmann came up with Statistical Mechanics - http://en.wikipedia.org/wiki/Statistical_mechanics – whereby our Newtonian perception of continuous reality is a probabilistic and statistical aggregate of many discrete quantum microstates. This is relevant for Quantum Information Theory http://en.wikipedia.org/wiki/Quantum_information and the Physics of Information - http://en.wikipedia.org/wiki/Physical_information. Hilbert’s Problems http://en.wikipedia.org/wiki/Hilbert's_problems pondered whether mathematics is complete, consistent, and decidable (the Decision Problem – http://en.wikipedia.org/wiki/Entscheidungsproblem – is there always an algorithm that can determine whether a statement is true).  Godel’s Incompleteness Theorems http://en.wikipedia.org/wiki/G%C3%B6del's_incompleteness_theorems  proved that mathematics cannot be both complete and consistent (e.g. “This statement is not provable”). Turing through the use of Turing Machines (http://en.wikipedia.org/wiki/Turing_machine symbol processors that can prove mathematical statements) and Universal Turing Machines (http://en.wikipedia.org/wiki/Universal_Turing_machine Turing Machines that can emulate other any Turing Machine via accepting programs as well as data as input symbols) that computation is limited by demonstrating the Halting Problem http://en.wikipedia.org/wiki/Halting_problem (is is not possible to know when a program will complete – you cannot build an infinite loop detector). You may be used to thinking of 1 / 2 / 3 dimensional systems, but Fractal http://en.wikipedia.org/wiki/Fractal systems are defined by self-similarity & have non-integer Hausdorff Dimensions !!!  http://en.wikipedia.org/wiki/List_of_fractals_by_Hausdorff_dimension – the fractal dimension quantifies the number of copies of a self similar object at each level of detail – eg Koch Snowflake - http://en.wikipedia.org/wiki/Koch_snowflake Definitions of complexity: size, Shannon entropy, Algorithmic Information Content (http://en.wikipedia.org/wiki/Algorithmic_information_theory - size of shortest program that can generate a description of an object) Logical depth (amount of info processed), thermodynamic depth (resources required). Complexity is statistical and fractal. John Von Neumann’s other machine was the Self-Reproducing Automaton http://en.wikipedia.org/wiki/Self-replicating_machine  . Cellular Automata http://en.wikipedia.org/wiki/Cellular_automaton are alternative form of Universal Turing machine to traditional Von Neumann machines where grid cells are locally synchronized with their neighbors according to a rule. Conway’s Game of Life http://en.wikipedia.org/wiki/Conway's_Game_of_Life demonstrates various emergent constructs such as “Glider Guns” and “Spaceships”. Cellular Automatons are not practical because logical ops require a large number of cells – wasteful & inefficient. There are no compilers or general program languages available for Cellular Automatons (as far as I am aware). Random Boolean Networks http://en.wikipedia.org/wiki/Boolean_network are extensions of cellular automata where nodes are connected at random (not to spatial neighbors) and each node has its own rule –> they demonstrate the emergence of complex  & self organized behavior. Stephen Wolfram’s (creator of Mathematica, so give him the benefit of the doubt) New Kind of Science http://en.wikipedia.org/wiki/A_New_Kind_of_Science proposes the universe may be a discrete Finite State Automata http://en.wikipedia.org/wiki/Finite-state_machine whereby reality emerges from simple rules. I am 2/3 through this book. It is feasible that the universe is quantum discrete at the plank scale and that it computes itself – Digital Physics: http://en.wikipedia.org/wiki/Digital_physics – a simulated reality? Anyway, all behavior is supposedly derived from simple algorithmic rules & falls into 4 patterns: uniform , nested / cyclical, random (Rule 30 http://en.wikipedia.org/wiki/Rule_30) & mixed (Rule 110 - http://en.wikipedia.org/wiki/Rule_110 localized structures – it is this that is interesting). interaction between colliding propagating signal inputs is then information processing. Wolfram proposes the Principle of Computational Equivalence - http://mathworld.wolfram.com/PrincipleofComputationalEquivalence.html - all processes that are not obviously simple can be viewed as computations of equivalent sophistication. Meaning in information may emerge from analogy & conceptual slippages – see the CopyCat program: http://cognitrn.psych.indiana.edu/rgoldsto/courses/concepts/copycat.pdf Scale Free Networks http://en.wikipedia.org/wiki/Scale-free_network have a distribution governed by a Power Law (http://en.wikipedia.org/wiki/Power_law - much more common than Normal Distribution). They are characterized by hubs (resilience to random deletion of nodes), heterogeneity of degree values, self similarity, & small world structure. They grow via preferential attachment http://en.wikipedia.org/wiki/Preferential_attachment – tipping points triggered by positive feedback loops. 2 theories of cascading system failures in complex systems are Self-Organized Criticality http://en.wikipedia.org/wiki/Self-organized_criticality and Highly Optimized Tolerance http://en.wikipedia.org/wiki/Highly_optimized_tolerance. Computational Mechanics http://en.wikipedia.org/wiki/Computational_mechanics – use of computational methods to study phenomena governed by the principles of mechanics. This book is a great intuition pump, but does not cover the more mathematical subject of Computational Complexity Theory – http://en.wikipedia.org/wiki/Computational_complexity_theory I am currently reading this book on this subject: http://www.amazon.com/Computational-Complexity-Christos-H-Papadimitriou/dp/0201530821/ref=pd_sim_b_1   stay tuned for that review!

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  • South Florida Code Camp 2010 &ndash; VI &ndash; 2010-02-27

    - by Dave Noderer
    Catching up after our sixth code camp here in the Ft Lauderdale, FL area. Website at: http://www.fladotnet.com/codecamp. For the 5th time, DeVry University hosted the event which makes everything else really easy! Statistics from 2010 South Florida Code Camp: 848 registered (we use Microsoft Group Events) ~ 600 attended (516 took name badges) 64 speakers (including speaker idol) 72 sessions 12 parallel tracks Food 400 waters 600 sodas 900 cups of coffee (it was cold!) 200 pounds of ice 200 pizza's 10 large salad trays 900 mouse pads Photos on facebook Dave Noderer: http://www.facebook.com/home.php#!/album.php?aid=190812&id=693530361 Joe Healy: http://www.facebook.com/devfish?ref=mf#!/album.php?aid=202787&id=720054950 Will Strohl:http://www.facebook.com/home.php#!/album.php?aid=2045553&id=1046966128&ref=mf Veronica Gonzalez: http://www.facebook.com/home.php#!/album.php?aid=150954&id=672439484 Florida Speaker Idol One of the sessions at code camp was the South Florida Regional speaker idol competition. After user group level competitions there are five competitors. I acted as MC and score keeper while Ed Hill, Bob O’Connell, John Dunagan and Shervin Shakibi were judges. This statewide competition is being run by Roy Lawsen in Lakeland and the winner, Jeff Truman from Naples will move on to the state finals to be held at the Orlando Code Camp on 3/27/2010: http://www.orlandocodecamp.com/. Each speaker has 10 minutes. The participants were: Alex Koval Jeff Truman Jared Nielsen Chris Catto Venkat Narayanasamy They all did a great job and I’m working with each to make sure they don’t stop there and start speaking at meetings. Thanks to everyone involved! Volunteers As always events like this don’t happen without a lot of help! The key people were: Ed Hill, Bob O’Connell – DeVry For the months leading up to the event, Ed collects all of the swag, books, etc and stores them. He holds meeting with various DeVry departments to coordinate the day, he works with the students in the days  before code camp to stuff bags, print signs, arrange tables and visit BJ’s for our supplies (I go and pay but have a small car!). And of course the day of the event he is there at 5:30 am!! We took two SUV’s to BJ’s, i was really worried that the 36 cases of water were going to break his rear axle! He also helps with the students and works very hard before and after the event. Rainer Haberman – Speakers and Volunteer of the Year Rainer has helped over the past couple of years but this time he took full control of arranging the tracks. I did some preliminary work solicitation speakers but he took over all communications after that. We have tried various organizations around speakers, chair per track, central team but having someone paying attention to the details is definitely the way to go! This was the first year I did not have to jump in at the last minute and re-arrange everything. There were lots of kudo’s from the speakers too saying they felt it was more organized than they have experienced in the past from any code camp. Thanks Rainer! Ray Alamonte – Book Swap We saw the idea of a book swap from the Alabama Code Camp and thought we would give it a try. Ray jumped in and took control. The idea was to get people to bring their old technical books to swap or for others to buy. You got a ticket for each book you brought that you could then turn in to buy another book. If you did not have a ticket you could buy a book for $1. Net proceeds were $153 which I rounded up and donated to the Red Cross. There is plenty going on in Haiti and Chile! I don’t think we really got a count of how many books came in. I many cases the books barely hit the table before being picked up again. At the end we were left with a dozen books which we donated to the DeVry library. A great success we will definitely do again! Jace Weiss / Ratchelen Hut – Coffee and Snacks Wow, this was an eye opener. In past years a few of us would struggle to give some attention to coffee, snacks, etc. But it was always tenuous and always ended up running out of coffee. In the past we have tried buying Dunkin Donuts coffee, renting urns, borrowing urns, etc. This year I actually purchased 2 – 100 cup Westbend commercial brewers plus a couple of small urns (30 and 60 cup we used for decaf). We got them both started early (although i forgot to push the on button on one!) and primed it with 10 boxes of Joe from Dunkin. then Jace and Rachelen took over.. once a batch was brewed they would refill the boxes, keep the area clean and at one point were filling cups. We never ran out of coffee and served a few hundred more than last  year. We did look but next year I’ll get a large insulated (like gatorade) dispensing container. It all went very smoothly and having help focused on that one area was a big win. Thanks Jace and Rachelen! Ken & Shirley Golding / Roberta Barbosa – Registration Ken & Shirley showed up and took over registration. This year we printed small name tags for everyone registered which was great because it is much easier to remember someone’s name when they are labeled! In any case it went the smoothest it has ever gone. All three were actively pulling people through the registration, answering questions, directing them to bags and information very quickly. I did not see that there was too big a line at any time. Thanks!! Scott Katarincic / Vishal Shukla – Website For the 3rd?? year in a row, Scott was in charge of the website starting in August or September when I start on code camp. He handles all the requests, makes changes to the site and admin. I think two years ago he wrote all the backend administration and tunes it and the website a bit but things are pretty stable. The only thing I do is put up the sponsors. It is a big pressure off of me!! Thanks Scott! Vishal jumped into the web end this year and created a new Silverlight agenda page to replace the old ajax page. We will continue to enhance this but it is definitely a good step forward! Thanks! Alex Funkhouser – T-shirts/Mouse pads/tables/sponsors Alex helps in many areas. He helps me bring in sponsors and handles all the logistics for t-shirts, sponsor tables and this year the mouse pads. He is also a key person to help promote the event as well not to mention the after after party which I did not attend and don’t want to know much about! Students There were a number of student volunteers but don’t have all of their names. But thanks to them, they stuffed bags, patrolled pizza and helped with moving things around. Sponsors We had a bunch of great sponsors which allowed us to feed people and give a way a lot of great swag. Our major sponsors of DeVry, Microsoft (both DPE and UGSS), Infragistics, Telerik, SQL Share (End to End, SQL Saturdays), and Interclick are very much appreciated. The other sponsors Applied Innovations (also supply code camp hosting), Ultimate Software (a great local SW company), Linxter (reliable cloud messaging we are lucky to have here!), Mediascend (a media startup), SoftwareFX (another local SW company we are happy to have back participating in CC), CozyRoc (if you do SSIS, check them out), Arrow Design (local DNN and Silverlight experts),Boxes and Arrows (a local SW consulting company) and Robert Half. One thing we did this year besides a t-shirt was a mouse pad. I like it because it will be around for a long time on many desks. After much investigation and years of using mouse pad’s I’ve determined that the 1/8” fabric top is the best and that is what we got!   So now I get a break for a few months before starting again!

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  • Tricks and Optimizations for you Sitecore website

    - by amaniar
    When working with Sitecore there are some optimizations/configurations I usually repeat in order to make my app production ready. Following is a small list I have compiled from experience, Sitecore documentation, communicating with Sitecore Engineers etc. This is not supposed to be technically complete and might not be fit for all environments.   Simple configurations that can make a difference: 1) Configure Sitecore Caches. This is the most straight forward and sure way of increasing the performance of your website. Data and item cache sizes (/databases/database/ [id=web] ) should be configured as needed. You may start with a smaller number and tune them as needed. <cacheSizes hint="setting"> <data>300MB</data> <items>300MB</items> <paths>5MB</paths> <standardValues>5MB</standardValues> </cacheSizes> Tune the html, registry etc cache sizes for your website.   <cacheSizes> <sites> <website> <html>300MB</html> <registry>1MB</registry> <viewState>10MB</viewState> <xsl>5MB</xsl> </website> </sites> </cacheSizes> Tune the prefetch cache settings under the App_Config/Prefetch/ folder. Sample /App_Config/Prefetch/Web.Config: <configuration> <cacheSize>300MB</cacheSize> <!--preload items that use this template--> <template desc="mytemplate">{XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}</template> <!--preload this item--> <item desc="myitem">{XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX }</item> <!--preload children of this item--> <children desc="childitems">{XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX}</children> </configuration> Break your page into sublayouts so you may cache most of them. Read the caching configuration reference: http://sdn.sitecore.net/upload/sitecore6/sc62keywords/cache_configuration_reference_a4.pdf   2) Disable Analytics for the Shell Site <site name="shell" virtualFolder="/sitecore/shell" physicalFolder="/sitecore/shell" rootPath="/sitecore/content" startItem="/home" language="en" database="core" domain="sitecore" loginPage="/sitecore/login" content="master" contentStartItem="/Home" enableWorkflow="true" enableAnalytics="false" xmlControlPage="/sitecore/shell/default.aspx" browserTitle="Sitecore" htmlCacheSize="2MB" registryCacheSize="3MB" viewStateCacheSize="200KB" xslCacheSize="5MB" />   3) Increase the Check Interval for the MemoryMonitorHook so it doesn’t run every 5 seconds (default). <hook type="Sitecore.Diagnostics.MemoryMonitorHook, Sitecore.Kernel"> <param desc="Threshold">800MB</param> <param desc="Check interval">00:05:00</param> <param desc="Minimum time between log entries">00:01:00</param> <ClearCaches>false</ClearCaches> <GarbageCollect>false</GarbageCollect> <AdjustLoadFactor>false</AdjustLoadFactor> </hook>   4) Set Analytics.PeformLookup (Sitecore.Analytics.config) to false if your environment doesn’t have access to the internet or you don’t intend to use reverse DNS lookup. <setting name="Analytics.PerformLookup" value="false" />   5) Set the value of the “Media.MediaLinkPrefix” setting to “-/media”: <setting name="Media.MediaLinkPrefix" value="-/media" /> Add the following line to the customHandlers section: <customHandlers> <handler trigger="-/media/" handler="sitecore_media.ashx" /> <handler trigger="~/media/" handler="sitecore_media.ashx" /> <handler trigger="~/api/" handler="sitecore_api.ashx" /> <handler trigger="~/xaml/" handler="sitecore_xaml.ashx" /> <handler trigger="~/icon/" handler="sitecore_icon.ashx" /> <handler trigger="~/feed/" handler="sitecore_feed.ashx" /> </customHandlers> Link: http://squad.jpkeisala.com/2011/10/sitecore-media-library-performance-optimization-checklist/   6) Performance counters should be disabled in production if not being monitored <setting name="Counters.Enabled" value="false" />   7) Disable Item/Memory/Timing threshold warnings. Due to the nature of this component, it brings no value in production. <!--<processor type="Sitecore.Pipelines.HttpRequest.StartMeasurements, Sitecore.Kernel" />--> <!--<processor type="Sitecore.Pipelines.HttpRequest.StopMeasurements, Sitecore.Kernel"> <TimingThreshold desc="Milliseconds">1000</TimingThreshold> <ItemThreshold desc="Item count">1000</ItemThreshold> <MemoryThreshold desc="KB">10000</MemoryThreshold> </processor>—>   8) The ContentEditor.RenderCollapsedSections setting is a hidden setting in the web.config file, which by default is true. Setting it to false will improve client performance for authoring environments. <setting name="ContentEditor.RenderCollapsedSections" value="false" />   9) Add a machineKey section to your Web.Config file when using a web farm. Link: http://msdn.microsoft.com/en-us/library/ff649308.aspx   10) If you get errors in the log files similar to: WARN Could not create an instance of the counter 'XXX.XXX' (category: 'Sitecore.System') Exception: System.UnauthorizedAccessException Message: Access to the registry key 'Global' is denied. Make sure the ApplicationPool user is a member of the system “Performance Monitor Users” group on the server.   11) Disable WebDAV configurations on the CD Server if not being used. More: http://sitecoreblog.alexshyba.com/2011/04/disable-webdav-in-sitecore.html   12) Change Log4Net settings to only log Errors on content delivery environments to avoid unnecessary logging. <root> <priority value="ERROR" /> <appender-ref ref="LogFileAppender" /> </root>   13) Disable Analytics for any content item that doesn’t add value. For example a page that redirects to another page.   14) When using Web User Controls avoid registering them on the page the asp.net way: <%@ Register Src="~/layouts/UserControls/MyControl.ascx" TagName="MyControl" TagPrefix="uc2" %> Use Sublayout web control instead – This way Sitecore caching could be leveraged <sc:Sublayout ID="ID" Path="/layouts/UserControls/MyControl.ascx" Cacheable="true" runat="server" />   15) Avoid querying for all children recursively when all items are direct children. Sitecore.Context.Database.SelectItems("/sitecore/content/Home//*"); //Use: Sitecore.Context.Database.GetItem("/sitecore/content/Home");   16) On IIS — you enable static & dynamic content compression on CM and CD More: http://technet.microsoft.com/en-us/library/cc754668%28WS.10%29.aspx   17) Enable HTTP Keep-alive and content expiration in IIS.   18) Use GUID’s when accessing items and fields instead of names or paths. Its faster and wont break your code when things get moved or renamed. Context.Database.GetItem("{324DFD16-BD4F-4853-8FF1-D663F6422DFF}") Context.Item.Fields["{89D38A8F-394E-45B0-826B-1A826CF4046D}"]; //is better than Context.Database.GetItem("/Home/MyItem") Context.Item.Fields["FieldName"]   Hope this helps.

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  • Integrating Coherence & Java EE 6 Applications using ActiveCache

    - by Ricardo Ferreira
    OK, so you are a developer and are starting a new Java EE 6 application using the most wonderful features of the Java EE platform like Enterprise JavaBeans, JavaServer Faces, CDI, JPA e another cool stuff technologies. And your architecture need to hold piece of data into distributed caches to improve application's performance, scalability and reliability? If this is your current facing scenario, maybe you should look closely in the solutions provided by Oracle WebLogic Server. Oracle had integrated WebLogic Server and its champion data caching technology called Oracle Coherence. This seamless integration between this two products provides a comprehensive environment to develop applications without the complexity of extra Java code to manage cache as a dependency, since Oracle provides an DI ("Dependency Injection") mechanism for Coherence, the same DI mechanism available in standard Java EE applications. This feature is called ActiveCache. In this article, I will show you how to configure ActiveCache in WebLogic and at your Java EE application. Configuring WebLogic to manage Coherence Before you start changing your application to use Coherence, you need to configure your Coherence distributed cache. The good news is, you can manage all this stuff without writing a single line of code of XML or even Java. This configuration can be done entirely in the WebLogic administration console. The first thing to do is the setup of a Coherence cluster. A Coherence cluster is a set of Coherence JVMs configured to form one single view of the cache. This means that you can insert or remove members of the cluster without the client application (the application that generates or consume data from the cache) knows about the changes. This concept allows your solution to scale-out without changing the application server JVMs. You can growth your application only in the data grid layer. To start the configuration, you need to configure an machine that points to the server in which you want to execute the Coherence JVMs. WebLogic Server allows you to do this very easily using the Administration Console. In this example, I will call the machine as "coherence-server". Remember that in order to the machine concept works, you need to ensure that the NodeManager are being executed in the target server that the machine points to. The NodeManager executable can be found in <WLS_HOME>/server/bin/startNodeManager.sh. The next thing to do is to configure a Coherence cluster. In the WebLogic administration console, go to Environment > Coherence Clusters and click in "New". Call this Coherence cluster of "my-coherence-cluster". Click in next. Specify a valid cluster address and port. The Coherence members will communicate with each other through this address and port. Our Coherence cluster are now configured. Now it is time to configure the Coherence members and add them to this cluster. In the WebLogic administration console, go to Environment > Coherence Servers and click in "New". In the field "Name" set to "coh-server-1". In the field "Machine", associate this Coherence server to the machine "coherence-server". In the field "Cluster", associate this Coherence server to the cluster named "my-coherence-cluster". Click in "Finish". Start the Coherence server using the "Control" tab of WebLogic administration console. This will instruct WebLogic to start a new JVM of Coherence in the target machine that should join the pre-defined Coherence cluster. Configuring your Java EE Application to Access Coherence Now lets pass to the funny part of the configuration. The first thing to do is to inform your Java EE application which Coherence cluster to join. Oracle had updated WebLogic server deployment descriptors so you will not have to change your code or the containers deployment descriptors like application.xml, ejb-jar.xml or web.xml. In this example, I will show you how to enable DI ("Dependency Injection") to a Coherence cache from a Servlet 3.0 component. In the WEB-INF/weblogic.xml deployment descriptor, put the following metadata information: <?xml version="1.0" encoding="UTF-8"?> <wls:weblogic-web-app xmlns:wls="http://xmlns.oracle.com/weblogic/weblogic-web-app" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd http://xmlns.oracle.com/weblogic/weblogic-web-app http://xmlns.oracle.com/weblogic/weblogic-web-app/1.4/weblogic-web-app.xsd"> <wls:context-root>myWebApp</wls:context-root> <wls:coherence-cluster-ref> <wls:coherence-cluster-name>my-coherence-cluster</wls:coherence-cluster-name> </wls:coherence-cluster-ref> </wls:weblogic-web-app> As you can see, using the "coherence-cluster-name" tag, we are informing our Java EE application that it should join the "my-coherence-cluster" when it loads in the web container. Without this information, the application will not be able to access the predefined Coherence cluster. It will form its own Coherence cluster without any members. So never forget to put this information. Now put the coherence.jar and active-cache-1.0.jar dependencies at your WEB-INF/lib application classpath. You need to deploy this dependencies so ActiveCache can automatically take care of the Coherence cluster join phase. This dependencies can be found in the following locations: - <WLS_HOME>/common/deployable-libraries/active-cache-1.0.jar - <COHERENCE_HOME>/lib/coherence.jar Finally, you need to write down the access code to the Coherence cache at your Servlet. In the following example, we have a Servlet 3.0 component that access a Coherence cache named "transactions" and prints into the browser output the content (the ammount property) of one specific transaction. package com.oracle.coherence.demo.activecache; import java.io.IOException; import javax.annotation.Resource; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.tangosol.net.NamedCache; @WebServlet("/demo/specificTransaction") public class TransactionServletExample extends HttpServlet { @Resource(mappedName = "transactions") NamedCache transactions; protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { int transId = Integer.parseInt(request.getParameter("transId")); Transaction transaction = (Transaction) transactions.get(transId); response.getWriter().println("<center>" + transaction.getAmmount() + "</center>"); } } Thats it! No more configuration is necessary and you have all set to start producing and getting data to/from Coherence. As you can see in the example code, the Coherence cache are treated as a normal dependency in the Java EE container. The magic happens behind the scenes when the ActiveCache allows your application to join the defined Coherence cluster. The most interesting thing about this approach is, no matter which type of Coherence cache your are using (Distributed, Partitioned, Replicated, WAN-Remote) for the client application, it is just a simple attribute member of com.tangosol.net.NamedCache type. And its all managed by the Java EE container as an dependency. This means that if you inject the same dependency (the Coherence cache named "transactions") in another Java EE component (JSF managed-bean, Stateless EJB) the cache will be the same. Cool isn't it? Thanks to the CDI technology, we can extend the same support for non-Java EE standards components like simple POJOs. This means that you are not forced to only use Servlets, EJBs or JSF in order to inject Coherence caches. You can do the same approach for regular POJOs created for you and managed by lightweight containers like Spring or Seam.

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  • PHP SOAP error: Method element needs to belong to the namespace

    - by kdm
    I'm unable to retrieve data from an XML document, any help is greatly appreciated. I'm using PHP 5.2.10 and the WSDL url is an internal link within my company. The following code produces an error. $url = "http://dta-info/IVR/IVRINFO?WSDL"; $params = array("zANI" => "12345"); try{ $client = new SoapClient($url, array( 'trace' => 1, 'connection_timeout' => 2, 'location' => $url ) ); }catch(SoapFault $fault){ echo "faultstring: {$fault->faultstring})\n"; } try{ $result = $client->GetIVRinfo($params); }catch(SoapFault $fault){ echo "(faultcode: {$fault->faultcode}, faultstring: {$fault->faultstring} )\n"; } (faultcode: SOAP-ENV:Client, faultstring: There should be no path or parameters after a SOAP vname. ) So i tried to use a non-wsdl mode but i receive a different error no matter how i try to format the params. $url = "http://dta-info/IVR/IVRINFO"; $params = array("zANI" => "12345"); try{ $client = new SoapClient(null, array( 'trace' => 1, 'connection_timeout' => 2, 'location' => $url, 'uri' => $uri, 'style' => SOAP_DOCUMENT, 'use' => SOAP_LITERAL, 'soap_version' => SOAP_2 ) ); }catch(SoapFault $fault){ echo "faultstring: {$fault->faultstring})\n"; } try{ $result = $client->GetIVRinfo($params); }catch(SoapFault $fault){ echo "(faultcode: {$fault->faultcode}, faultstring: {$fault->faultstring} )\n"; } (faultcode: SOAP-ENV:Client, faultstring: The method element needs to belong to the namespace 'http://GETIVRINFO/IVR/IVRINFO'. ) I have tested this WSDL with a tool called SoapUI and it returns the results with no errors. So it leads me to believe I'm not formatting the vars or headers correctly with PHP. I also tried passing in a xml fragment as the param but that returns the same error. What am i doing wrong?????? $params = '<soapenv:Envelope xmlns:soapenv="http://schemas.xmlsoap.org/soap/envelope/" xmlns:ivr="http://GETIVRINFO/IVR/IVRINFO"> <soapenv:Header/> <soapenv:Body> <ivr:GetIVRinfo> <!--Optional:--> <ivr:zANI>12345</ivr:zANI> </ivr:GetIVRinfo> </soapenv:Body> </soapenv:Envelope>'; Here is the WSDL document: <?xml version="1.0"?><wsdl:definitions name="IVR" targetNamespace="http://GETIVRINFO/IVR/IVRINFO" xmlns:tns="http://GETIVRINFO/IVR/IVRINFO" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:sql="http://schemas.microsoft.com/SQLServer/2001/12/SOAP" xmlns:sqltypes="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types" xmlns:sqlmessage="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlMessage" xmlns:sqlresultstream="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlResultStream"> <wsdl:types><xsd:schema targetNamespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types' elementFormDefault='qualified' attributeFormDefault='qualified'> <xsd:import namespace='http://www.w3.org/2001/XMLSchema'/> <xsd:simpleType name='nonNegativeInteger'> <xsd:restriction base='xsd:int'> <xsd:minInclusive value='0'/> </xsd:restriction> </xsd:simpleType> <xsd:attribute name='IsNested' type='xsd:boolean'/> <xsd:complexType name='SqlRowSet'> <xsd:sequence> <xsd:element ref='xsd:schema'/> <xsd:any/> </xsd:sequence> <xsd:attribute ref='sqltypes:IsNested'/> </xsd:complexType> <xsd:complexType name='SqlXml' mixed='true'> <xsd:sequence> <xsd:any/> </xsd:sequence> </xsd:complexType> <xsd:simpleType name='SqlResultCode'> <xsd:restriction base='xsd:int'> <xsd:minInclusive value='0'/> </xsd:restriction> </xsd:simpleType> </xsd:schema> <xsd:schema targetNamespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlMessage' elementFormDefault='qualified' attributeFormDefault='qualified'> <xsd:import namespace='http://www.w3.org/2001/XMLSchema'/> <xsd:import namespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types'/> <xsd:complexType name='SqlMessage'> <xsd:sequence minOccurs='1' maxOccurs='1'> <xsd:element name='Class' type='sqltypes:nonNegativeInteger'/> <xsd:element name='LineNumber' type='sqltypes:nonNegativeInteger'/> <xsd:element name='Message' type='xsd:string'/> <xsd:element name='Number' type='sqltypes:nonNegativeInteger'/> <xsd:element name='Procedure' type='xsd:string'/> <xsd:element name='Server' type='xsd:string'/> <xsd:element name='Source' type='xsd:string'/> <xsd:element name='State' type='sqltypes:nonNegativeInteger'/> </xsd:sequence> <xsd:attribute ref='sqltypes:IsNested'/> </xsd:complexType> </xsd:schema> <xsd:schema targetNamespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlResultStream' elementFormDefault='qualified' attributeFormDefault='qualified'> <xsd:import namespace='http://www.w3.org/2001/XMLSchema'/> <xsd:import namespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types'/> <xsd:import namespace='http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlMessage'/> <xsd:complexType name='SqlResultStream'> <xsd:choice minOccurs='1' maxOccurs='unbounded'> <xsd:element name='SqlRowSet' type='sqltypes:SqlRowSet'/> <xsd:element name='SqlXml' type='sqltypes:SqlXml'/> <xsd:element name='SqlMessage' type='sqlmessage:SqlMessage'/> <xsd:element name='SqlResultCode' type='sqltypes:SqlResultCode'/> </xsd:choice> </xsd:complexType> </xsd:schema> <xsd:schema targetNamespace="http://GETIVRINFO/IVR/IVRINFO" elementFormDefault="qualified" attributeFormDefault="qualified"> <xsd:import namespace="http://www.w3.org/2001/XMLSchema"/> <xsd:import namespace="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types"/> <xsd:import namespace="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlMessage"/> <xsd:import namespace="http://schemas.microsoft.com/SQLServer/2001/12/SOAP/types/SqlResultStream"/> <xsd:element name="GetIVRinfo"> <xsd:complexType> <xsd:sequence> <xsd:element minOccurs="0" maxOccurs="1" name="zANI" type="xsd:string" nillable="true"/> </xsd:sequence> </xsd:complexType> </xsd:element> <xsd:element name="GetIVRinfoResponse"> <xsd:complexType> <xsd:sequence> <xsd:element minOccurs="1" maxOccurs="1" name="GetIVRinfoResult" type="sqlresultstream:SqlResultStream"/> </xsd:sequence> </xsd:complexType> </xsd:element> </xsd:schema> </wsdl:types> <wsdl:message name="GetIVRinfoIn"> <wsdl:part name="parameters" element="tns:GetIVRinfo"/> </wsdl:message> <wsdl:message name="GetIVRinfoOut"> <wsdl:part name="parameters" element="tns:GetIVRinfoResponse"/> </wsdl:message> <wsdl:portType name="SXSPort"> <wsdl:operation name="GetIVRinfo"> <wsdl:input message="tns:GetIVRinfoIn"/> <wsdl:output message="tns:GetIVRinfoOut"/> </wsdl:operation> </wsdl:portType> <wsdl:binding name="SXSBinding" type="tns:SXSPort"> <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/> <wsdl:operation name="GetIVRinfo"> <soap:operation soapAction="http://GETIVRINFO/IVR/IVRINFO/GetIVRinfo" style="document"/> <wsdl:input> <soap:body use="literal"/> </wsdl:input> <wsdl:output> <soap:body use="literal"/> </wsdl:output> </wsdl:operation> </wsdl:binding> <wsdl:service name="IVR"> <wsdl:port name="SXSPort" binding="tns:SXSBinding"> <soap:address location="http://GETIVRINFO/IVR/IVRINFO"/> </wsdl:port> </wsdl:service> </wsdl:definitions>

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  • ActionController::RoutingError (No route matches {:action=>"show", :controller=>"users", :id=>nil}):

    - by Matt Bishop
    I have been trying to fix this routing error for a long time. I would appreciate any assistance! This error is preventing me from being able to authenticate. Here is what I am getting in my Heroku logs. app/controllers/authentications_controller.rb:12:in `create' ActionController::RoutingError (No route matches {:action=>"show", :controller=>"users", :id=>nil}) Here is the routes.rb file: Company::Application.routes.draw do resources :profile_individual resources :careers match 'careers' => 'careers#index' match 'about' => 'about#index' constraints(:subdomain => /^$|www/) do devise_for :users resources :authentications, :identities #, :beta_invitations resources :users do resources :invitations, :controller => 'UserInvitation' do post :upload, :on => :collection get :email_template, :on => :collection get :plaintext_template, :on => :collection get :facebook_invitation, :on => :collection end member do get :summary get :recruits get :friends_events get :events_near_me get :recent_activity get :impact get :campaigns end end resources :password_resets do get 'password_reset' => 'password_resets#show', :as => 'password_reset' end resources :events, :only => [:new, :index, :create] resources :organizations, :only => [:index, :create] resources :orders do post :ipn, :on => :member resource :payment do member do post :relay_response get :receipt end end resource :paypal_integration do member do get :authorize get :cancel post :finalize end end end match '/users/:id/impact/money/:d' => 'users#impact_money_graph', :constraints => {:d => /\d+{4}_\d+{2}-\d+{2}/}, :as => :user_impact_money match '/users/:id/impact/money' => 'users#impact_money_graph', :as => :user_impact_money match '/users/:id/impact/recruits/:d' => 'users#impact_recruits_graph', :constraints => {:d => /\d+{4}_\d+{2}-\d+{2}/}, :as => :user_impact_recruits match '/users/:id/impact/recruits' => 'users#impact_recruits_graph', :as => :user_impact_recruits match '/auth/failure' => 'authentications#failure' match '/auth/:provider/callback' => 'authentications#create' match '/auth/:provider/callback' => 'authentications#show', :controller => 'users', :as => :login match '/logout' => 'authentications#destroy', :as => :logout match '/login' => 'authentications#new', :as => :login match "/join_team/:id" => "team_members#join", :as => :join_team match "/rsvp/:id" => "rsvps#show", :as => :rsvp match "/signup" => 'authentications#signup', :as => :signup match "/beacon/:id.gif" => "email_beacons#show", :as => :email_beacon root :to => "homes#show" match '/corporate_giving' => "homes#corporate_giving" end constraints(Subdomain) do resource :organization, :path => "/", :only => [:edit, :update] do member do get :org_photos_videos get :org_recent_activity end end resources :events, :except => [:index] do post :publish, :on => :member resource :supporter_invite resource :team_management do post :mailer, :on => :member end resource :team_member do post :invite, :on => :member end resource :rsvp do put :make_order, :on => :collection get :make_order, :on => :collection end resources :invites do post :upload, :on => :collection end resources :ticket_tiers, :team_members end match "/events" => redirect("/") root :to => "organizations#show" end namespace :admin do resources :stats resources :organizations resources :campaigns do resources :rewards resources :contents put :header, :action => 'header_update' end resources :users do member do post :grant_access post :revoke_access end end resources :nonprofits do member do put :approve put :revoke end end end resources :campaigns do get :find_charities, :on => :collection get :how_many_charities, :on => :collection member do post :join get :join post :header, :action => 'header_creation' put :header, :action => 'header_update' end resources :rewards resources :contents resource :donations do resource :paypal_integration, :controller => 'donations' do member do get :authorize get :cancel post :finalize end end end end match '/campaigns/:id/graph/:d' => 'campaigns#graph', :constraints => {:d => /\d+{4}_\d+ {2}-\d+{2}/}, :as => :graph_campaign match '/campaigns/:id/graph' => 'campaigns#graph', :as => :graph_campaign resources :business_campaigns, :controller => 'campaigns' resources :businesses do put :logo, :on => :collection, :action => 'upload_logo' member do get :summary get :recruits get :friends_events get :events_near_me get :recent_activity get :impact get :campaigns end end resources :nonprofit_campaigns, :controller => 'campaigns' resources :nonprofits do put :logo, :on => :collection, :action => 'upload_logo' member do get :summary get :recruits get :friends_events get :events_near_me get :recent_activity get :impact get :campaigns get :supporting_campaigns end end resources :publicities match '/campaigns/:campaign_id/rewards/:id' => 'campaigns#reward', :via => :get match "/robots.txt" => "application#robots_txt" match "/beta_invitations" => redirect('/') resource :sitemap resources :referrals end Here is my authentications_controller.rb file class AuthenticationsController < ApplicationController skip_before_filter :require_beta_access before_filter :redirect_to_profile_if_logged_in, :only => [:create, :new] layout :resolve_layout def create omniauth = request.env["omniauth.auth"] authentication = Authentication.find_by_provider_and_uid(omniauth['provider'], omniauth['uid']) if authentication && authentication.user.present? sign_in(:user, authentication.user) redirect_to session[:redirect_to] || user_path(current_user, :subdomain => nil) elsif current_user current_user.authentications.create!(:provider => omniauth['provider'], :uid => omniauth['uid']) redirect_to session[:redirect_to] || user_path(current_user, :subdomain => nil) else user = User.new user.apply_omniauth(omniauth) logger.debug "=======================auth=============================" logger.debug session[:referrer_token] logger.debug "========================================================" if session[:referrer_token] publicity = Publicity.find_by_token(session[:referrer_token]) user.invited_by = publicity user.recruited_by = publicity end if user.save sign_in(user) unless session[:redirect_to] session[:referrer_token] = nil end redirect_to session[:redirect_to] || user_path(current_user, :subdomain => nil) #redirect_to session[:redirect_to] || campaigns_url(:tc => request.env['omniauth.params']['tc']) #tc is for AB testing else session[:omniauth] = omniauth.except('extra') redirect_to signup_path end end end def failure flash[:error] = "Please check your email and password and try again" redirect_to login_path end def destroy reset_session redirect_to root_path end def signup # end private def redirect_to_profile_if_logged_in redirect_to user_path(current_user.permalink) if current_user end def resolve_layout case action_name when "new", "signup" "authentication" else "selfcontained" end end end I am adding my appplication_controller.rb too: class ApplicationController < ActionController::Base #Wrote by George for beta users -before_filter :require_beta_access before_filter :save_referrer_token protect_from_forgery helper_method :organization_admin?, :team_member?, :profile_url, :current_profile def set_headers # Set our headers here end def save_referrer_token #session.delete(:referrer_token) if params[:ref] publicity = Publicity.find_by_token(params[:ref]) logger.debug "========================================================" logger.debug current_profile.nil? logger.debug publicity.creator logger.debug current_profile logger.debug current_profile != publicity.creator session[:referrer_token] = params[:ref] if current_profile.nil? or publicity.creator != current_profile logger.debug session[:referrer_token] logger.debug "========================================================" end end def robots_txt robots = File.read(Rails.root + "public/robots.#{Rails.env}.txt") render :text => robots, :layout => false, :content_type => "text/plain" end def load_organization @organization = Organization.find_by_permalink(request.subdomain) raise ActiveRecord::RecordNotFound if @organization.nil? end def require_user unless current_user session[:redirect_to] = request.url redirect_to login_url(:host => request.domain) end end def require_beta_access if !current_user redirect_to root_url(:host => request.domain) elsif !current_user.beta_access? redirect_to new_beta_invitation_url(:host => request.domain) end end def require_organization_admin unless organization_admin? redirect_to root_url(:subdomain => @organization.permalink) end end def team_member? if current_user && @event.team_memberships.where(:user_id => current_user.id).count != 0 true end end def organization_admin? if current_user && current_user.beta_access? && @organization && @organization.memberships.where(:user_id => current_user.id, :role => 'admin').count != 0 true end end def profile_url(profile, opt = nil) if profile == current_user user_url(profile, :host => opt[:host]) elsif profile.is_a? BusinessProfile business_url(profile) elsif profile.is_a? NonprofitProfile nonprofit_url(profile) end end def set_current_profile(profile) session[:current_profile] = profile end def current_user @current_user ||= User.find_by_auth_token!(cookies[:auth_token]) if cookies[:auth_token] end def current_profile #if session session[:current_profile] || current_user #else # nil #end end IGIVEMORE_HTML5_OPTIOINS = { :style => 'z-index: 0;',:width => '290', :height => '200', :frameborder => '0', :url_params => {:wmode=>"opaque"} } def campaign_header_body(camp, opt = IGIVEMORE_HTML5_OPTIOINS) if camp.header_type == Campaign::HEADER_YOUTUBE youtube_html5(camp.header_url, opt).html_safe elsif camp.header_type == Campaign::HEADER_IMAGE "<img src=\"#{camp.header_url}\" width=\"#{opt[:width]}\" height=\"#{opt[:height]}\"/>'".html_safe else "Unsupported Type!!" end end def youtube_html5(url, opt) begin video = YouTubeIt::Client.new.video_by(url) video.embed_html5(opt).gsub(/http:\/\//,"https://") rescue => e "<div style='color:red; width:290px; height:100px; padding-top:100px'>Given Video URL has problem.</div>" end end end

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  • 503 Service Unavailable - What really it means?

    - by pandiya chendur
    Possible Dup: http://stackoverflow.com/questions/2529244/503-service-unavailable-what-really-it-means I am asking on behalf of original question poster because we both work in the same place... I developed a website and it loads in every other system but certainly not in mine ... WHen i used firebug my request show 503 Service Unavailable Firebug response header showed, Server squid/2.6.STABLE21 Date Sat, 27 Mar 2010 12:25:18 GMT Content-Type text/html Content-Length 1163 Expires Sat, 27 Mar 2010 12:25:18 GMT X-Squid-Error ERR_DNS_FAIL 0 X-Cache MISS from xavy X-Cache-Lookup MISS from xavy:3128 Via 1.0 xavy:3128 (squid/2.6.STABLE21) Proxy-Connection close For REF: please visit the original question and look at the answers and comments and help us out..

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  • howto only tunnel specific hosts route through openvpn client on tomato

    - by kcome
    I am relatively newbie in networking world although I did coding and know some sysadmin background for a long time. and here I'm only one step from my destination. The whole picture is : at home I use one LinkSys E3000 as the gateway(don't know yet if this is it's name), wireless AP and no other routing/switching devices. It serves 1 PC and 1 Mac with LAN, 1 Mac Mini + 1 iPad + 2 smartphones with WIFI. My goal is use an openvpn client on the E3000 (with tomato firmware) and make my iPad and smartphone's all WiFi traffic through it, and other devices route remain the same non-openvpn route. So far I'm able to connect openvpn client on E3000 to an openvpn server, tunnel all my devices' all traffic through that openvpn connection. What's left is howto selectively route by source IP (at least in my guessing) to the tunnel while don't bother others. I had learned some 'iptables' and 'route' in past few days however without much luck, so here comes my question. Here are some info which will help you get the structure. ifconfig -a output, some useless lines striped, and in the web interface C0:C1:C0:1A:E0:28 is WAN, C0:C1:C0:1A:E0:27 is LAN, C0:C1:C0:1A:E0:29 is 2.4G wifi AP, C0:C1:C0:1A:E0:2A is 5G wifi AP. root@router:/tmp/home/root# ifconfig -a br0 Link encap:Ethernet HWaddr C0:C1:C0:1A:E0:27 inet addr:192.168.1.1 Bcast:192.168.1.255 Mask:255.255.255.0 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 eth0 Link encap:Ethernet HWaddr C0:C1:C0:1A:E0:27 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 eth1 Link encap:Ethernet HWaddr C0:C1:C0:1A:E0:29 UP BROADCAST RUNNING ALLMULTI MULTICAST MTU:1500 Metric:1 eth2 Link encap:Ethernet HWaddr C0:C1:C0:1A:E0:2A UP BROADCAST RUNNING ALLMULTI MULTICAST MTU:1500 Metric:1 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host ppp0 Link encap:Point-to-Point Protocol inet addr:172.200.1.43 P-t-P:172.200.0.1 Mask:255.255.255.255 UP POINTOPOINT RUNNING MULTICAST MTU:1480 Metric:1 vlan1 Link encap:Ethernet HWaddr C0:C1:C0:1A:E0:27 UP BROADCAST RUNNING ALLMULTI MULTICAST MTU:1500 Metric:1 vlan2 Link encap:Ethernet HWaddr C0:C1:C0:1A:E0:28 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 wl0.1 Link encap:Ethernet HWaddr C0:C1:C0:1A:E0:29 BROADCAST MULTICAST MTU:1500 Metric:1 brctl show output root@router:/tmp/home/root# brctl show bridge name bridge id STP enabled interfaces br0 8000.c0c1c01ae027 no vlan1 eth1 eth2 before openvpn route-up script root@router:/tmp/home/root# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.200.0.1 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 br0 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 172.200.0.1 0.0.0.0 UG 0 0 0 ppp0 openvpn server push PUSH: Received control message: 'PUSH_REPLY,redirect-gateway,dhcp-option DNS 8.8.8.8,route 172.20.0.1,topology net30,ping 10,ping-restart 120,ifconfig 172.20.0.6 172.20.0.5' openvpn's stock route-up script Apr 24 14:52:06 router daemon.notice openvpn[1768]: /sbin/ifconfig tun11 172.20.0.6 pointopoint 172.20.0.5 mtu 1500 Apr 24 14:52:08 router daemon.notice openvpn[1768]: /sbin/route add -net 72.14.177.29 netmask 255.255.255.255 gw 172.200.0.1 Apr 24 14:52:08 router daemon.notice openvpn[1768]: /sbin/route add -net 0.0.0.0 netmask 128.0.0.0 gw 172.20.0.5 Apr 24 14:52:08 router daemon.notice openvpn[1768]: /sbin/route add -net 128.0.0.0 netmask 128.0.0.0 gw 172.20.0.5 Apr 24 14:52:08 router daemon.notice openvpn[1768]: /sbin/route add -net 172.20.0.1 netmask 255.255.255.255 gw 172.20.0.5 route after openvpn root@router:/tmp/home/root# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 172.20.0.5 0.0.0.0 255.255.255.255 UH 0 0 0 tun11 72.14.177.29 172.200.0.1 255.255.255.255 UGH 0 0 0 ppp0 172.200.0.1 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0 172.20.0.1 172.20.0.5 255.255.255.255 UGH 0 0 0 tun11 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 br0 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo 0.0.0.0 172.20.0.5 128.0.0.0 UG 0 0 0 tun11 128.0.0.0 172.20.0.5 128.0.0.0 UG 0 0 0 tun11 0.0.0.0 172.200.0.1 0.0.0.0 UG 0 0 0 ppp0 something I had noticed and tried: * on the web interface of openvpn client there is an option "Create NAT on tunnel", if i check this, there is the following script (probably executed after openvpn connection established) root@router:/tmp/home/root# cat /tmp/etc/openvpn/fw/client1-fw.sh #!/bin/sh iptables -I INPUT -i tun11 -j ACCEPT iptables -I FORWARD -i tun11 -j ACCEPT iptables -t nat -I POSTROUTING -s 192.168.1.0/255.255.255.0 -o tun11 -j MASQUERADE if i uncheck this option, the last line will not appear. Then I guess probably the my issue will be solved by iptables and NAT related commands, I just haven't got enough knowledge to figure them out. I tried run iptables -t nat -I POSTROUTING -s 192.168.1.6 -o tun11 -j MASQUERADE manually after openvpn connected (192.168.1.6 is the ip address of my iPad), then my iPad get internet with openvpn tunnel, however all other devices can't reach internet. in case if needed, here is the iptables about NAT root@router:/tmp/home/root# iptables -t nat -L -n Chain PREROUTING (policy ACCEPT) target prot opt source destination DROP all -- 0.0.0.0/0 192.168.1.0/24 WANPREROUTING all -- 0.0.0.0/0 172.200.1.43 upnp all -- 0.0.0.0/0 172.200.1.43 Chain POSTROUTING (policy ACCEPT) target prot opt source destination MASQUERADE all -- 0.0.0.0/0 0.0.0.0/0 SNAT all -- 192.168.1.0/24 192.168.1.0/24 to:192.168.1.1 Chain OUTPUT (policy ACCEPT) target prot opt source destination Chain WANPREROUTING (1 references) target prot opt source destination DNAT icmp -- 0.0.0.0/0 0.0.0.0/0 to:192.168.1.1 Chain upnp (1 references) target prot opt source destination DNAT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:5353 to:192.168.1.3:5353 Thanks in advance for helping and read this so much, I hope i made every info you need to give a help :)

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  • Digital Blue Digital Movie Creator 3.0 driver

    - by hjdx
    I'm having a complete 'mare of a time trying to use my schools Digital Blue cameras. We've got the model 3 ones, but can't find the driver disc and using the Windows Hardware Installation Wizard gets me no where! Can you help me to find the driver? When I've used it at my old school it had a piece of software called the Digital Movie Creator, which I've heard you can use to make stop-motion films, which is what I want to do! This is what it looks like http://www.amazon.co.uk/Digital-Movie-Creator-1GB-Card/dp/B000LP30LA/ref=sr_1_2?ie=UTF8&s=software&qid=1265928833&sr=1-2

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  • Multicast doesn't seem to be working on RHEL 5.5

    - by NullUser
    I'm trying to install Oracle Grid Infrastructure on two machines. Their documentation states You must enable multicasting for the cluster on the IP address subnet ranges 224.0.0.0/24 and 230.0.1.0/24 So I ran: route add -net 224.0.0.0/24 dev eth2 route add -net 230.0.1.0/24 dev eth2 route -n produces: Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 230.0.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2 224.0.0.0 0.0.0.0 255.255.255.0 U 0 0 0 eth2 # and others An ifconfig eth2 shows, among other things, UP BROADCAST RUNNING MULTICAST. However, when I run their multicast test utility, it fails me: Test for Multicast address 230.0.1.0 Sep 3 19:40:39 | Multicast Failed for eth2 using address 230.0.1.0:42000 Test for Multicast address 224.0.0.251 Sep 3 19:41:10 | Multicast Failed for eth2 using address 224.0.0.251:42001 What am I doing wrong?

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  • correct routing for multiple devices

    - by helmi
    I have Debian Lenny machine with 3 interfaces enabled (eth0-2), and I have problems as follow. eth1 is connected to a router and this router has portforwarding for port80. eth2 is connected direct to the internet If I open a website hosted on my system via the router it works fine. If I try to open the same via the eth2 connetion it does not! tshark shows incomming trafic on eth2 but nothing goes out there. iptabes accepts all My routing table: Ziel Router Genmask Flags Metric Ref Use Iface 10.9.0.2 * 255.255.255.255 UH 0 0 0 tun0 212.236.24.128 * 255.255.255.224 U 0 0 0 eth2 192.168.1.0 * 255.255.255.0 U 0 0 0 eth1 192.168.0.0 * 255.255.255.0 U 0 0 0 eth0 10.9.0.0 10.9.0.2 255.255.255.0 UG 0 0 0 tun0 default 192.168.1.1 0.0.0.0 UG 0 0 0 eth1 default 212.236.024.129 0.0.0.0 UG 0 0 0 eth2 default 192.168.0.1 0.0.0.0 UG 0 0 0 eth0

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  • Digital Blue Digital Movie Creator 3.0 driver

    - by user27977
    I'm having a complete 'mare of a time trying to use my schools Digital Blue cameras. We've got the model 3 ones, but can't find the driver disc and using the Windows Hardware Installation Wizard gets me no where! Can you help me to find the driver? When I've used it at my old school it had a piece of software called the Digital Movie Creator, which I've heard you can use to make stop-motion films, which is what I want to do! This is what it looks like http://www.amazon.co.uk/Digital-Movie-Creator-1GB-Card/dp/B000LP30LA/ref=sr_1_2?ie=UTF8&s=software&qid=1265928833&sr=1-2

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  • Git Daemon on linux?

    - by bwawok
    Trying to set up a simple git-daemon on a linux server, and talk to it from a windows box. On linux server: Make a folder /home/foo/bar CD to /home/foo/bar do a git --bare init here Do a touch git-daemon-export-ok CD to /home/foo Run the command git-daemon --verbose --reuseaddr --base-path=/home/foo --enable=receive-pack On Windows Client w tortoise Git Do git.exe clone --progress -v "git://servername/bar" "C:\source\myFolderName" (works) Create file a.txt, add it to git, and commit (works) Do a git.exe pull "origin" master and then get fatal: Couldn't find remote ref master (makes sense, master isn't there yet) Do a git.exe push "origin" master:master and tortoise hangs forever without do anything I realize why I can't pull from master yet on the remote branch.. but why can't I push my first commit into the remote repo? #4 really should work. Tried it both with tortoise and the mysysgit command line, both cases I hang forever. What am I missing? Server has no useful log

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  • Git Daemon on linux?

    - by bwawok
    Trying to set up a simple git-daemon on a linux server, and talk to it from a windows box. On linux server: Make a folder /home/foo/bar CD to /home/foo/bar do a git --bare init here Do a touch git-daemon-export-ok CD to /home/foo Run the command git-daemon --verbose --reuseaddr --base-path=/home/foo --enable=receive-pack On Windows Client w tortoise Git Do git.exe clone --progress -v "git://servername/bar" "C:\source\myFolderName" (works) Create file a.txt, add it to git, and commit (works) Do a git.exe pull "origin" master and then get fatal: Couldn't find remote ref master (makes sense, master isn't there yet) Do a git.exe push "origin" master:master and tortoise hangs forever without do anything I realize why I can't pull from master yet on the remote branch.. but why can't I push my first commit into the remote repo? #4 really should work. Tried it both with tortoise and the mysysgit command line, both cases I hang forever. What am I missing? Server has no useful log

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