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  • how to make a very large radmind image, faster

    - by Wang
    Making the new Snow Leopard radmind image* for my lab involves manipulating over 50GB of applications, including passing them over the network. Each try takes four hours or more, and if it fails there's no apparent way to pick up again from partway through. Instead I have to delete all the data (a minutes-long operation) and start over. Furthermore, one successful upload just means now I get to test whether the image works; if it doesn't, I can look forward to repeating the upload as many times as I need to troubleshoot. How can I do this faster and/or smarter?

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  • Can't run command with sudo, even with the full path, I got an error

    - by Keating Wang
    the command starling is /home/keating/.rvm/gems/ruby-1.9.2-p290/bin/starling when run starling, get the error Permission denied when run rvmsudo starling, works well when run sudo starling, get the error sudo: starling: command not found when run sudo /home/keating/.rvm/gems/ruby-1.9.2-p290/bin/starling, get the error: /home/keating/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:247:in to_specs': Could not find starling (>= 0) amongst [minitest-1.6.0, rake-0.8.7, rdoc-2.5.8] (Gem::LoadError) from /home/keating/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems/dependency.rb:256:into_spec' from /home/keating/.rvm/rubies/ruby-1.9.2-p290/lib/ruby/site_ruby/1.9.1/rubygems.rb:1229:in gem' from /home/keating/.rvm/gems/ruby-1.9.2-p290/bin/starling:18:in' I really want to run the command with sudo, because the error above is the same as running rvmsudo service starling start(I had set starling as a service of the os)

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  • After closing the ssh terminal, the thin server is down

    - by Keating Wang
    I have a rails project run on the thin server(1.3.1) on a ubuntu server. I ssh to the server and start thin with command 'thin start -C config/thin.yml', following the thin.yml, port: 3000 log: log/thin.log timeout: 30 chdir: /home/byht/56platform/dev/tracker environment: production servers: 1 daemonize: true After thin starts successfully, I visit the project and it works well. Then, I close the terminal, I can also visit the pages that have been visited, but when I visit the pages that not been visited before closing ssh terminal, a "500" error appears on the page. I didn't find the error messages in the log file. I have tried start thin with nohup and sudo, but they are useless. I sign in the ubuntu server locally, then the problem disappears. But I need sign in the server to stat thin with ssh when I'm home.

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  • Mac OS X 10.5/6, authenticate against by NIS or LDAP when both servers have your username

    - by Wang
    We have an organization-wide LDAP server and a department-only NIS server. Many users have accounts with the same name on both servers. Is there any way to get Leopard/Snow Leopard machines to query one server, and then the other, and let the user log in if his username/password combination matches at least one record? I can get either NIS authentication or LDAP authentication. I can even enable both, with LDAP set as higher priority, and authenticate using the name and password listed on the LDAP server. However, in the last case, if I set the LDAP domain as higher-priority in Directory Utility's search path and then provide the username/password pair listed in the NIS record, then my login is rejected even though the NIS server would accept it. Is there any way to make the OS check the rest of the search path after it finds the username?

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  • New SBS 2011 installation (not migration) in an existing 2008 R2 domain

    - by Tong Wang
    My current network setup has two servers: a Windows 2008 R2 with TMG 2010 as edge firewall (TMG server), a second 2008 R2 with DC, DNS and Hyper-V roles (DCDNS server). I was trying to install SBS 2011 as a child partition on DCDNS, first I installed SBS 2011 in English and did the migration successfully. However, later on, I found that I can't change the display language in SBS 2011 once it's installed (but the clients require a different language), so I had to re-install the SBS in a different language. It is during the re-installation that the problem came up: the migration can't be completed with some error message stating "can't access the source server". I re-ran the migration preparation tool, but it didn't make any difference. I wonder if it's because the source server can only be "migrated" once. Since I only need to setup a handful of users and computers, so I decided to do a new install of SBS and picked a different domain name. But I can't get the SBS to connect to LAN: it can't ping other servers, neither can other servers ping the SBS server. I've tried to stop the DC/DNS services on DCDNS and restart SBS, but with no difference. Anyone has idea how to fix this problem?

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  • handle 50-100 million rectangle in AutoCAD

    - by Wang
    I have huge problem when I try to get large array. For example, I have something like 10000x10000 or 5000x5000 rectangles. It is almost impossible to do anything because the screen just got frozen up. It is impossible to contain so many objects in one array. So I had 100x100 rectangle array as xref then array the xref again. It ate up about 12GB RAM. I guess this is the problem. Can anyone give me any suggestions can achieve the same structure but without freezing the computer?

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  • DIsable my nv video card driver in linux

    - by Dahaka Wang
    I'm trying to passthrough my nv video card to my domU, but I could not bind my video card to the pciback driver I only have one video card with the pci number 0000:03:00.0, so I used the following command echo -n "0000:03:00.0" > /sys/bus/pci/drivers/nouveau/bind to unbind the nouveau driver from my video card. The screen went black because I have forcefully removed the video driver, therefore I ssh'd into the computer to run further commands I ran: echo -n "0000:03:00.0" > /sys/bus/pci/drivers/pciback/bind to try to bind it to my pciback driver, but I got: bash: echo: write error: No such device I found out that this was the message shown when trying to bind a PCI device which is already bound. Therefore, I think that something was still using my video card Can anyone help me out? Thanks a lot!

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  • After exiting, the home folder cannot be visited?

    - by Keating Wang
    I ssh to a ubuntu sever, start a web project(Rails), then I can visit this project. I close the the ssh terminal, then the project says can not find files(view pages,css files and so on). I put the project in the home folder(/home/byht). why? When closing the ssh terminal, the user's folder can not be visited ? You know, when I put the project in another folder(/usr/local), everything goes well.

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  • A shortest path problem with superheroes and intergalactic journeys

    - by Dman
    You are a super-hero in the year 2222 and you are faced with this great challenge: starting from your home planet Ilop you must try to reach Acinhet or else your planet will be destroyed by evil green little monsters. To do this you are given a map of the universe: there are N planets and M inter-planetary connections ( bidirectional ) that bind these planets. Each connection requires a certain time and a certain amount of fuel in order for you to cover the connection from one planet to another. The total time spent going from one planet to another is obtained by multiplying the time past to cover each connection between all the planets you go through. There are some "key planets", that allow you to refuel if you arrive on those certain "key planets". A "key planet" is the planet with the property that if it disappears the road between at least two planets would be lost.(In the example posted below with the input/output files such a "key planet" is 2 because without it the road to 7 would be lost) When you start your mission you are given the possibility of choosing between K ships each with its own maximum fuel capacity. The goal is to find the SHORTEST TIME CONSUMING path but also choose the ship with the minimum fuel capacity that can cover that shortest path(this means that if more ships can cover the shortest path you choose the one with the minimum fuel capacity). Because the minimum time can be a rather large number (over long long int) you are asked to provide only the last 6 digits of the number. For a better understanding of the task, here is an example of input/output files: INPUT: mission.in 7 8 6 1 4 6 5 9 8 7 10 1 2 7 8 1 4 14 9 1 5 3 1 2 3 1 2 2 7 7 1 3 4 2 2 4 6 4 1 5 6 3 7 On the first line (in order): N M K On the second line :the number for the starting planet and the finishing planet On the third line :K numbers that represent the capacities of the ships you can choose from Then you have M lines, all of them have the same structure: Xi Yi Ti Fi-which means that there is a connection between Xi and Yi and you can cover the distance from Xi to Yi in Ti time and with a Fi fuel consumption. OUTPUT:mission.out 000014 8 1 2 3 4 On the first line:the minimum time and fuel consumption; On the second line :the path Restrictions: 2 = N = 1 000 1 = M = 30 000 1 = K = 10 000 Any suggestions or ideas of how this problem might be solved would be most welcomed.

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  • SciPy interp1d results are different than MatLab interp1

    - by LMO
    I'm converting a MatLab program to Python, and I'm having problems understanding why scipy.interpolate.interp1d is giving different results than MatLab interp1. In MatLab the usage is slightly different: yi = interp1(x,Y,xi,'cubic') SciPy: f = interp1d(x,Y,kind='cubic') yi = f(xi) For a trivial example the results are the same: MatLab: interp1([0 1 2 3 4], [0 1 2 3 4],[1.5 2.5 3.5],'cubic') 1.5000 2.5000 3.5000 Python: interp1d([1,2,3,4],[1,2,3,4],kind='cubic')([1.5,2.5,3.5]) array([ 1.5, 2.5, 3.5]) But for a real-world example they are not the same: x = 0.0000e+000 2.1333e+001 3.2000e+001 1.6000e+004 2.1333e+004 2.3994e+004 Y = -6 -6 20 20 -6 -6 xi = 0.00000 11.72161 23.44322 35.16484... (2048 data points) Matlab: -6.0000e+000 -1.2330e+001 -3.7384e+000 ... 7.0235e+000 7.0028e+000 6.9821e+000 SciPy: array([[ -6.00000000e+00], [ -1.56304101e+01], [ -2.04908267e+00], ..., [ 1.64475576e+05], [ 8.28360759e+04], [ -5.99999999e+00]]) Any thoughts as to how to can get results that are consistent with MatLab?

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  • idioms for returning multiple values in shell scripting

    - by Wang
    Are there any idioms for returning multiple values from a bash function within a script? http://tldp.org/LDP/abs/html/assortedtips.html describes how to echo multiple values and process the results (e.g., example 35-17), but that gets tricky if some of the returned values are strings with spaces in. A more structured way to return would be to assign to global variables, like foo () { FOO_RV1="bob" FOO_RV2="bill" } foo echo "foo returned ${FOO_RV1} and ${FOO_RV2}" I realize that if I need re-entrancy in a shell script I'm probably doing it wrong, but I still feel very uncomfortable throwing global variables around just to hold return values. Is there a better way? I would prefer portability, but it's probably not a real limitation if I have to specify #!/bin/bash.

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  • The web publishing extension is not installed which is required to publish

    - by Chong Wang
    I was tring to deploy an ASP.NET Web Application to a Windows Azure Web Site by following the tutorial through this link: https://www.windowsazure.com/en-us/develop/net/tutorials/get-started/ After download the public profile, which is a ".PublishSettings" file, I go back to Visual Studio and right-click the project in Solution Explorer and select Publish from the context menu as the tutorial said. However, a warning box jumped up and it showed me that "The Web Publishing extension is not installed which is required to publish. You can install it from http://go.microsoft.com/fwlink/?LinkID=208120." I already installed "Windows Azure SDK for .NET (VS 2012)" and I also tried to uninstall this and install again, but the same problem is still there. Anyone knows how to solve this? I am really appreciated.

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  • Java Errors with jRuby on Rails on Google App Engine

    - by John Wang
    I followed all of the instructions so far from: http://code.google.com/p/appengine-jruby/wiki/RunningRails and http://gist.github.com/268192 Currently, I'm just trying to get to hello world. I'm getting these errors when I just run the dev_appserver.rb 238:hello-world jwang392$ dev_appserver.rb . => Booting DevAppServer => Press Ctrl-C to shutdown server => Generating configuration files 2010-04-08 09:16:51.961 java[411:1707] [Java CocoaComponent compatibility mode]: Enabled 2010-04-08 09:16:51.964 java[411:1707] [Java CocoaComponent compatibility mode]: Setting timeout for SWT to 0.100000 Apr 8, 2010 7:17:05 PM com.google.appengine.tools.development.ApiProxyLocalImpl log SEVERE: [1270754225387000] javax.servlet.ServletContext log: Warning: error application could not be initialized org.jruby.rack.RackInitializationException: no such file to load -- time from file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/booter.rb:25:in `boot!' from file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/boot/rack.rb:10 from file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/boot/rack.rb:1:in `load' from <script>:1 at org.jruby.rack.DefaultRackApplicationFactory $4.init(DefaultRackApplicationFactory.java:169) at org.jruby.rack.DefaultRackApplicationFactory.newErrorApplication(DefaultRac kApplicationFactory.java: 118) at org.jruby.rack.DefaultRackApplicationFactory.init(DefaultRackApplicationFac tory.java: 37) at org.jruby.rack.SharedRackApplicationFactory.init(SharedRackApplicationFacto ry.java: 26) at org.jruby.rack.RackServletContextListener.contextInitialized(RackServletCon textListener.java: 40) at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java: 530) at org.mortbay.jetty.servlet.Context.startContext(Context.java:135) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java: 1218) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java: 500) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java: 448) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: 40) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java: 117) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: 40) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java: 117) at org.mortbay.jetty.Server.doStart(Server.java:217) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: 40) at com.google.appengine.tools.development.JettyContainerService.startContainer (JettyContainerService.java: 188) at com.google.appengine.tools.development.AbstractContainerService.startup(Abs tractContainerService.java: 147) at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerI mpl.java: 219) at com.google.appengine.tools.development.DevAppServerMain $StartAction.apply(DevAppServerMain.java:162) at com.google.appengine.tools.util.Parser $ParseResult.applyArgs(Parser.java:48) at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServer Main.java: 113) at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMa in.java: 89) Caused by: org.jruby.exceptions.RaiseException: no such file to load -- time at (unknown).new(file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/booter.rb:25) at Kernel.require(file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/booter.rb:25) at JRuby::Rack::Booter.boot!(file:/Users/jwang392/hello-world/WEB-INF/ lib/jruby-rack-0.9.6.jar!/jruby/rack/boot/rack.rb:10) at (unknown).(unknown)(file:/Users/jwang392/hello-world/WEB-INF/lib/ jruby-rack-0.9.6.jar!/jruby/rack/boot/rack.rb:1) at (unknown).(unknown)(file:/Users/jwang392/Dhello-world/WEB-INF/lib/ jruby-rack-0.9.6.jar!/jruby/rack/boot/rack.rb:1) at Kernel.load(<script>:1) at (unknown).(unknown)(:1) Apr 8, 2010 7:17:05 PM com.google.appengine.tools.development.ApiProxyLocalImpl log SEVERE: [1270754225913000] javax.servlet.ServletContext log: unable to create shared application instance org.jruby.rack.RackInitializationException: no such file to load -- time from file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/booter.rb:25:in `boot!' from file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/boot/rack.rb:10 from file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/boot/rack.rb:1:in `load' from <script>:1 at org.jruby.rack.DefaultRackApplicationFactory $4.init(DefaultRackApplicationFactory.java:169) at org.jruby.rack.DefaultRackApplicationFactory.getApplication(DefaultRackAppl icationFactory.java: 51) at org.jruby.rack.SharedRackApplicationFactory.init(SharedRackApplicationFacto ry.java: 27) at org.jruby.rack.RackServletContextListener.contextInitialized(RackServletCon textListener.java: 40) at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java: 530) at org.mortbay.jetty.servlet.Context.startContext(Context.java:135) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java: 1218) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java: 500) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java: 448) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: 40) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java: 117) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: 40) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java: 117) at org.mortbay.jetty.Server.doStart(Server.java:217) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: 40) at com.google.appengine.tools.development.JettyContainerService.startContainer (JettyContainerService.java: 188) at com.google.appengine.tools.development.AbstractContainerService.startup(Abs tractContainerService.java: 147) at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerI mpl.java: 219) at com.google.appengine.tools.development.DevAppServerMain $StartAction.apply(DevAppServerMain.java:162) at com.google.appengine.tools.util.Parser $ParseResult.applyArgs(Parser.java:48) at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServer Main.java: 113) at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMa in.java: 89) Caused by: org.jruby.exceptions.RaiseException: no such file to load -- time at (unknown).new(file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/booter.rb:25) at Kernel.require(file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/booter.rb:25) at JRuby::Rack::Booter.boot!(file:/Users/jwang392/hello-world/WEB-INF/ lib/jruby-rack-0.9.6.jar!/jruby/rack/boot/rack.rb:10) at (unknown).(unknown)(file:/Users/jwang392/hello-world/WEB-INF/lib/ jruby-rack-0.9.6.jar!/jruby/rack/boot/rack.rb:1) at (unknown).(unknown)(file:/Users/jwang392/hello-world/WEB-INF/lib/ jruby-rack-0.9.6.jar!/jruby/rack/boot/rack.rb:1) at Kernel.load(<script>:1) at (unknown).(unknown)(:1) Apr 8, 2010 7:17:05 PM com.google.appengine.tools.development.ApiProxyLocalImpl log SEVERE: [1270754225915000] javax.servlet.ServletContext log: Error: application initialization failed org.jruby.rack.RackInitializationException: unable to create shared application instance at org.jruby.rack.SharedRackApplicationFactory.init(SharedRackApplicationFacto ry.java: 39) at org.jruby.rack.RackServletContextListener.contextInitialized(RackServletCon textListener.java: 40) at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java: 530) at org.mortbay.jetty.servlet.Context.startContext(Context.java:135) at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java: 1218) at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java: 500) at org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java: 448) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: 40) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java: 117) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: 40) at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java: 117) at org.mortbay.jetty.Server.doStart(Server.java:217) at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java: 40) at com.google.appengine.tools.development.JettyContainerService.startContainer (JettyContainerService.java: 188) at com.google.appengine.tools.development.AbstractContainerService.startup(Abs tractContainerService.java: 147) at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerI mpl.java: 219) at com.google.appengine.tools.development.DevAppServerMain $StartAction.apply(DevAppServerMain.java:162) at com.google.appengine.tools.util.Parser $ParseResult.applyArgs(Parser.java:48) at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServer Main.java: 113) at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMa in.java: 89) Caused by: org.jruby.rack.RackInitializationException: no such file to load -- time from file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/booter.rb:25:in `boot!' from file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/boot/rack.rb:10 from file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/boot/rack.rb:1:in `load' from <script>:1 at org.jruby.rack.DefaultRackApplicationFactory $4.init(DefaultRackApplicationFactory.java:169) at org.jruby.rack.DefaultRackApplicationFactory.getApplication(DefaultRackAppl icationFactory.java: 51) at org.jruby.rack.SharedRackApplicationFactory.init(SharedRackApplicationFacto ry.java: 27) ... 19 more Caused by: org.jruby.exceptions.RaiseException: no such file to load -- time at (unknown).new(file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/booter.rb:25) at Kernel.require(file:/Users/jwang392/hello-world/WEB-INF/lib/jruby- rack-0.9.6.jar!/jruby/rack/booter.rb:25) at JRuby::Rack::Booter.boot!(file:/Users/jwang392/hello-world/WEB-INF/ lib/jruby-rack-0.9.6.jar!/jruby/rack/boot/rack.rb:10) at (unknown).(unknown)(file:/Users/jwang392/hello-world/WEB-INF/lib/ jruby-rack-0.9.6.jar!/jruby/rack/boot/rack.rb:1) at (unknown).(unknown)(file:/Users/jwang392/hello-world/WEB-INF/lib/ jruby-rack-0.9.6.jar!/jruby/rack/boot/rack.rb:1) at Kernel.load(<script>:1) at (unknown).(unknown)(:1) The server is running at http://localhost:8080/ I'm at a loss at what step I may have missed. I checked my ruby version (1.8.7) and rails version (2.3.5), gem version (1.3.6) and google-appengine-0.0.10.1 ran: sudo gem install google-appengine curl -O http://appengine-jruby.googlecode.com/hg/demos/rails2/rails2_appengine.rb ruby rails2_appengine.rb sudo gem install rails_dm_datastore sudo gem install activerecord-nulldb-adapter put this in my config.ru file: run lambda { |env| Rack::Response.new('Hello World!').finish } and finally ran $ dev_appserver.rb .

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  • docs/examples on libxml2 type system?

    - by Wang
    I'm reading through the libxml2 API and examples on xmlsoft.com and having some real difficulty wrapping my head around the type system. For example, the _xmlAttribute struct has an xmlChar* field called name. This obviously refers to the name of the attribute (e.g., "bar" for the struct tied to the element <foo bar='baz' />). The _xmlAttribute struct also has a field called value, which I would expect to be "baz", except the type is xmlNodePtr. Um, what? I guess I could write up some test code and examine the memory in gdb, but there has to be an easier way. Has anyone written up examples of the data structures generated by a libxml2 parser? I'm looking for an English prose text, not generated documentation, that will walk me through the various types and the values they take when parsing some example bit of XML. Bonus points if it presents only the subset of libxml2 needed to read and write a config file---no namespaces or XPath or even modifying an existing document, just parse some XML, access the data, and then write it out again.

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  • Python Windows File Copy with Wildcard Support

    - by Wang Dingwei
    I've been doing this all the time: result = subprocess.call(['copy', '123*.xml', 'out_folder\\.', '/y']) if result == 0: do_something() else: do_something_else() Until today I started to look into pywin32 modules, then I saw functions like win32file.CopyFiles(), but then I found it may not support copying files to a directory. Maybe this functionality is hidden somewhere, but I haven't found it yet. I've also tried "glob" and "shutil" combination, but "glob" is incredibly slow if there are many files. So, how do you emulate this Windows command with Python? copy 123*.xml out_folder\. /y

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  • Special case when calling InvokeScript with the winforms WebBrowser control does not work

    - by wang-min
    I am trying to use InvokeScript method on the WebBrowser control to execute a script on the web page that has been loaded into my WebBrowser control. If I am calling just a simple javascript function, this works properly. However, the javascript function that I am trying to call is nested within a variable like this: var holder = { DoA: function() { .... }, DoB: function() { ..... } } Calling holder.DoA works fine when called from within the javascript, but the function is not called successfully when I try to call it from within my C# code like this: object obj1 = m_webBrowser.Document.InvokeScript("holder.DoA"); Any ideas?

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  • What is the best project setup in this situation?

    - by Tong Wang
    The presentation tier will contain 2 web modules (serving different purposes and based on different technologies), the middle tier will be Spring beans without EJBs and the persistence tier will be JPA on Hibernate. I am wondering what would be the best project setup in this case. The IDE I am planning to use is MyEclipse 8.5. Thanks.

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  • How to use sans-serif family, arial font in matplotlib, in ubuntu 12.04 lts?

    - by Shawn Wang
    I installed Ubuntu 12.04 LTS and the Scipy stack. I tried to set in matplotlibrc to use sans-serif family, arial font as default. While this has been working on my Windows computer, it reported the following warning: UserWarning: findfont: Font family ['sans-serif'] not found. Falling back to Bitstream Vera Sans (prop.get_family(), self.defaultFamily[fontext])) And it seems that the font is either not installed, or in a wrong name. I think I have installed the TrueType font (by googling), but I'd really appreciate it if anyone could help me to set the font family in the system with the name 'sans-serif' and find the relevant font files that belongs to this folder. Thank you! -Shawn

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  • How to terminate a JBPM processInstance

    - by jie-wang
    Hi all I'm using JBPM 4.3 and trying hard to find a way to terminate one processInstance. First I simply used something like: executionService.endProcessInstance(processInstanceID, "active"); However I got exception thrown out. "exception while executing command org.jbpm.pvm.internal.cmd.EndProcessInstance java.lang.NullPointerException" Then I googled to find this post http://community.jboss.org/thread/146478, which didn't seem to give a resolution. I tried nevertheless to end all executions of the processInstance by calling ((ExecutionImpl) execution).end(); But the same exception was thrown again when I finally try to call executionService.endProcessInstance(processInstanceID, "active"); Did anyone have the same experience and solution?

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  • Script to add user to MediaWiki

    - by Marquis Wang
    I'm trying to write a script that will create a user in MediaWiki, so that I can run a batch job to import a series of users. I'm using mediawiki-1.12.0. I got this code from a forum, but it doesn't look like it works with 1.12 (it's for 1.13) $name = 'Username'; #Username (MUST start with a capital letter) $pass = 'password'; #Password (plaintext, will be hashed later down) $email = 'email'; #Email (automatically gets confirmed after the creation process) $path = "/path/to/mediawiki"; putenv( "MW_INSTALL_PATH={$path}" ); require_once( "{$path}/includes/WebStart.php" ); $pass = User::crypt( $pass ); $user = User::createNew( $name, array( 'password' => $pass, 'email' => $email ) ); $user->confirmEmail(); $user->saveSettings(); $ssUpdate = new SiteStatsUpdate( 0, 0, 0, 0, 1 ); $ssUpdate->doUpdate(); Thanks!

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  • How to implement a good system for login/out into a webapp

    - by Brandon Wang
    I am one of the developers at PassPad, a secure password generator and username storage system. We're still working on it, but I have a few questions on the best way to implement a secure login/out system. Right now, what we plan on doing is to have the login system save a cookie with the username and a session key, and that's all that serves as authentication. The server verifies the two to match. Upon login/out a new key is created. This is a security-related webapp and while we don't actually store any information that might make the user queasy, because it is security-oriented it makes it a necessity for us to at least appear secure in a way that the user would be happy with. Is there a better way to implement a login/out system in PHP? Preferably it won't take too much coding time or server resources. Is there anything else I need to implement, like brute-force protection, etc? How would I go about that?

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