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• log4net versus TraceSource

  - by Paul Stovell

  In this thread many people have indicated that they use log4net. I am a fan of TraceSources and would like to know why log4net is used. Here is why I like trace sources: Pluggable listeners - XML, TextFile, Console, EventLog, roll your own Customisable trace switches (error, warning, info, verbose, start, end, custom) Customisable configuration The Logging Application Block is just a big set of TraceListeners Correlation of activities/scopes (e.g., associate all logs within an ASP.NET request with a given customer The Service Trace Viewer allows you to visualize events against these activities individually All of it is configurable in app.config/web.config. Since the .NET framework internally uses TraceSources, it also gives me a consistent way of configuring tracing - with log4net, I have to configure log4net as well as TraceSources. What does log4net give me that TraceSources don't (or that couldn't be done by writing a couple of custom TraceListeners)?

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• OS X firewall popup about growlnotify keeps popping up

  - by Vitaly Kushner

  I have autotest setup with growlnotify using growl_glue (version 1.0.7): require 'growl_glue' GrowlGlue::Autotest.initialize do |config| config.notification :use_network_notifications => true end growl version is 1.2 each time autotest runs and displays the notification growl popup I also get an OS X firewall popup asking Do you want the application "growlnotify" to accept incoming network connections? I tried answering deny and allow but it still keeps popping up. the deny/allow choice is properly reflected in System Preferences - Security - Firewall - 'application access list', but it still asks every time. update I ended up using autotest-growl gem instead of the growl_glue. it fixed the problem, it was probably related to how growl_glue was calling growlnotify.

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• Where / how does Apache generate the HTML code used in the default directory listing?

  - by Ellen B

  I am looking to modify the HTML that apache generates for its default directory listing. I already know how to create a HEADER.html file that gets included for every directory listing. I am attempting to change the actual html that Apache generates for the file listing itself; right now my MacOS apache generates this for example: <table><tr><th><img src="/icons/blank.gif" alt="[ICO]"></th><th><a href="?C=N;O=D">Name</a></th><th><a href="?C=M;O=A">Last modified</a></th><th><a href="?C=S;O=A">Size</a></th><th><a href="?C=D;O=A">Description</a></th></tr><tr><th colspan="5"><hr></th></tr> <tr><td valign="top"><img src="/icons/folder.gif" alt="[DIR]"></td><td><a href="ios-prototype/">ios-prototype/</a> </td><td align="right">07-Dec-2012 16:47 </td><td align="right"> - </td><td>&nbsp;</td></tr> <tr><td valign="top"><img src="/icons/folder.gif" alt="[DIR]"></td><td><a href="magneto-git/">magneto-git/</a> </td><td align="right">07-Dec-2012 16:46 </td><td align="right"> - </td><td>&nbsp;</td></tr> <tr><th colspan="5"><hr></th></tr> </table> I want a different HTML structure (like, say, an OL) generated when my server spits back directory listings. (FYI I'm doing a bunch of mobile browser prototyping with my local webserver & need to make it not totally horrible to browse with fingers to the right test directory — the table structure sucks, and while I can mod a lot of it with CSS it's still going to be ganky.)

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• Calling generic method in spring.net application context

  - by Bert Vandamme

  Hi, I'm trying to invoke this method in spring.net, but i'm having trouble getting the configuration right. Method: public void AddRepository(IRepository repository) where TEntity : IEntity { Repositories.Add(repository.GetType().Name, repository); } Config: <object type="Spring.Objects.Factory.Config.MethodInvokingFactoryObject, Spring.Core"> <property name="TargetObject"> <ref local="RepositoryFactory" /> </property> <property name="TargetMethod" value="AddRepository"/> <property name="Arguments"> <list> <ref object="BinaryAssetFileRepository"/> </list> </property> </object>" Is it possible to address generic methods in this way? Thx, Bert

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• How to redirect http requests to http (nginx)

  - by spuder

  There appear to be many questions and guides out there that instruct how to setup nginx to redirect http requests to https. Many are outdated, or just flat out wrong. server { listen *:80; server_name <%= @fqdn %>; #root /nowhere; #rewrite ^ https://$server_name$request_uri? permanent; #rewrite ^ https://$server_name$request_uri permanent; #return 301 https://$server_name$request_uri; #return 301 http://$server_name$request_uri; #return 301 http://192.168.33.10$request_uri; return 301 http://$host$request_uri; } server { listen *:443 ssl default_server; server_name <%= @fqdn %>; server_tokens off; root <%= @git_home %>/gitlab/public; ssl on; ssl_certificate <%= @gitlab_ssl_cert %>; ssl_certificate_key <%= @gitlab_ssl_key %>; ssl_protocols SSLv3 TLSv1 TLSv1.1 TLSv1.2; ssl_ciphers AES:HIGH:!ADH:!MDF; ssl_prefer_server_ciphers on; location / { # serve static files from defined root folder;. # @gitlab is a named location for the upstream fallback, see below try_files $uri $uri/index.html $uri.html @gitlab; } # if a file, which is not found in the root folder is requested, # then the proxy pass the request to the upsteam (gitlab puma) location @gitlab { proxy_read_timeout 300; # https://github.com/gitlabhq/gitlabhq/issues/694 proxy_connect_timeout 300; # https://github.com/gitlabhq/gitlabhq/issues/694 proxy_redirect off; ect.... I've restarted after every configuration change, and yet I still only get the 'Welcome to nginx' page when visiting http://192.168.33.10. whereas https://192.168.33.10 works perfectly. Why will nginx still not redirect http requests to https? tailf /var/log/nginx/access.log 192.168.33.1 - - [22/Oct/2013:03:41:39 +0000] "GET / HTTP/1.1" 304 0 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Firefox/24.0" 192.168.33.1 - - [22/Oct/2013:03:44:43 +0000] "GET / HTTP/1.1" 200 133 "-" "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:24.0) Gecko/20100101 Firefox/24.0" tailf /var/log/nginx/gitlab_error.lob 2013/10/22 02:29:14 [crit] 27226#0: *1 connect() to unix:/home/git/gitlab/tmp/sockets/gitlab.socket failed (2: No such file or directory) while connecting to upstream, client: 192.168.33.1, server: gitlab.localdomain, request: "GET / HTTP/1.1", upstream: "http://unix:/home/git/gitlab/tmp/sockets/gitlab.socket:/", host: "192.168.33.10" Resources http://wiki.nginx.org/Pitfalls How to make nginx redirect How to force or redirect to SSL in nginx? nginx ssl redirect Nginx & Https Redirection https://www.tinywp.in/301-redirect-wordpress/ How to force or redirect to SSL in nginx?

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• Where does $PATH get set in OS X 10.6 Snow Leopard?

  - by Andrew

  I type echo $PATH on the command line and get /opt/local/bin:/opt/local/sbin:/Users/andrew/bin:/usr/local/bin:/usr/local/mysql/bin:/usr/local/pear/bin:/usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin:/opt/local/bin:/usr/local/git/bin I'm wondering where this is getting set since my .bash_login file is empty. I'm particularly concerned that, after installing MacPorts, it installed a bunch of junk in /opt. I don't think that directory even exists in a normal Mac OS X install. Update: Thanks to jtimberman for correcting my echo $PATH statement

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• Boost.Program_Options not working with short options

  - by inajamaica

  I have the following options_description: po::options_description config("Configuration File or Command Line"); config.add_options() ("run-time,t", po::value(&runTime_)-default_value(1440.0), "set max simulation duration") ("starting-iteration,i", po::value(&startingIteration_)-default_value(1), "set starting simulation iteration") ("repetitions,r", po::value(&repetitions_)-default_value(100), "set number of iterations") ... ; As you can see the three shown have a long,short names employed. The long versions all work. However, none of the short ones do, and each time I try a -t 12345.0 or a -i 12345, etc., I get the following from Program_Options: std::logic_error: in option 'starting-iteration': invalid option value I'm using Boost 1.42 on Win32. Any thoughts on what might be going on here? Thanks!

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• SubWebFolder and mutliple bin folders with Website model?

  - by OutOFTouch

  Hi, I am looking for some advice on how what is the best approach to subweb folders and having mutliple bin folders in the WebSite Project model. For adding new pages at a later stage without recompiling the core files of a website and without building a full fledged Plug-in framework api. I am aware of being able to drop in the compiled dlls into the main bin folder and to just copy over the new page files to a sub folder but I am looking for a more organized file/folder approach. Here is the how it was done with WAP: Moving the Code-Behind Assemblies/DLLs to a different folder than /BIN with ASP.NET 1.1 Multiple /bin folders in ASP.NET I should also mention that I see that I can still do it the old way with the website project model by making the adjustment to the config section mentioned here but I was wondering if that has any side affects. AssemblyBinding in Web Config and XMLNS

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• Unrecognized configuration section rewriter

  - by Cristian Boariu

  Hi guyrs, I'm trying to implement Approach 3 from this Url Rewriting article. I've added all the required configuration (in web.config for the UrlRewriter module) but when i try to add this in web.config: <rewriter> <rewrite url="~/products/(.+)" to="~/products.aspx?category=$1" /> </rewriter> </configuration> it gives me: Unrecognized configuration section rewriter... Please let me know me WHY it tells me that i put in the wrong place that rewriter xml node? Thanks...

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• What am I missing about WCF?

  - by Bigtoe

  I've been developing in MS technologies for longer than I care to remember at this stage. When .NET arrived on the scene I thought they hit the nail on the head and with each iteration and version I thought their technologies were getting stronger and stronger and looked forward to each release. However, having had to work with WCF for the last year I must say I found the technology very difficult to work with and understand. Initially it's quite appealing but when you start getting into the guts of it, configuration is a nightmare, having to override behaviours for message sizes, number of objects contained in a messages, the complexity of the security model, disposing of proxies when faulted and finally moving back to defining interfaces in code rather than in XML. It just does not work out of the box and I think it should. We found all of the above issues while either testing ourselves or else when our products were out on site. I do understand the rationale behind it all, but surely they could have come up with simpler implementation mechanism. I suppose what I'm asking is, Am I looking at WCF the wrong way? What strengths does it have over the alternatives? Under what circumstances should I choose to use WCF? OK Folks, Sorry about the delay in responding, work does have a nasty habbit of get in the way somethimes :) Some clarifications My main paint point with WCF I suppose falls down into the following areas While it does work out of the box, your left with some major surprises under the hood. As pointed out above basic things are restricted until they are overridden Size of string than can be passed can't be over 8K Number of objects that can be passed in a single message is restricted Proxies not automatically recovering from failures The amount of configuration while it's there is a good thing, but understanding it all and what to use what and under which circumstances can be difficult to understand. Especially when deploying software on site with different security requirements etc. When talking about configuration, we've had to hide lots of ours in a back-end database because security and network people on-site were trying to change things in configuration files without understanding it. Keeping the configuration of the interfaces in code rather than moving to explicitly defined interfaces in XML, which can be published and consumed by almost anything. I know we can export the XML from the assembley, but it's full of rubbish and certain code generators choke on it. I know the world moves on, I've moved on a number of times over the last (ahem 22 years I've been developing) and am actively using WCF, so don't get me wrong, I do understand what it's for and where it's heading. I just think there should be simplier configuration/deployment options available, easier set-up and better management for configuration (SQL config provider maybe, rahter than just the web.config/app.config files). OK, back to the daily grid. Thanks for all your replies so far. Kind Regards Noel

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• Problem building Postgis 1.5.x for Pg 8.4 on Ubuntu 9.10

  - by znik

  Here are things installed: $ sudo apt-get install postgresql-server-dev-8.4 libpq5 libpq-dev Here is a past to my config.out: http://pastebin.com/8Nk6pr96 And, here are some hints I got from IRC (names concealed) < foo> it's NOT failing to find libpq. < foo> libpq is present, but not compilable without adding a boatload of other -l flags < foo> and postgis' configure doesn't let you specify that via LIBS < foo> his paste contains the config.out, which shows this The configure dies with this, configure: error: could not find libpq I intend to install postgis for mapfish :)

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• Using ELMAH and URLRewritingNet Together

  - by Chris Laythorpe

  I have ELMAH setup on my production server and it has done a fantastic job of letting me know about any niggles - as well as any creative SQL injection! I've decided to introduce URl Rewriting and went for http://www.urlrewriting.net/ in the end. It was nice and easy to setup and it's doing exactly what I want with the customer-facing site. The problem is ELMAH. Because I've set the urlrewritingnet node in my config like so: <urlrewritingnet rewriteOnlyVirtualUrls="true" contextItemsPrefix="QueryString" defaultPage = "default.aspx" defaultProvider="RegEx" xmlns="http://www.urlrewriting.net/schemas/config/2006/07" > ...ELMAH likes to do this to it's axd links; http://www.mydomain.com/elmah.axd/stylesheet/default.aspx Does anyone have any idea how to either a) stop the re-writer following the .axd; or b) add rules to the re-writer to get ELMAH to work Any ideas? I'm happy to hack about with the httpHandlers...

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• SharpArchitecture: Using FNH's ClassMaps instead of auto mapping

  - by zihotki

  I need to use ClassMaps instead of auto mapping because of legacy database. But I don't see how to tune SharpArch to use them. I tried to remove AutoPersistentModelGenerator and use the following code in the InitializeNHibernateSession method: var config = NHibernateSession.Init(webSessionStorage, new[]{"ApplicationConfiguration.Models.dll"}); Fluently.Configure(config) .Mappings(m => { m.FluentMappings.AddFromAssemblyOf<ConfigSchema>(); }); But I always get MappingException - "No persister for: ConfigSchema" when trying to work with the ConfigSchema. Has anyone tried to do this?

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• du excluding hard links possible?

  - by balor123

  I'm trying to determine how big a cloned Git repository is from a local file system. It creates hard links for some but not all files. How can I determine the disk usage of it? The best I can come up with is "du -a" right now with the original and again with the clone to determine the difference, since each hard linked file will be counted only once. Ideally, I would just run du on the clone and count each hard linked file zero times.

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• Configurable ruby logger setup: Logger.new().level = variable

  - by Daniel

  Hi, I want to change the logging level of an application (ruby). require 'logger' config = { :level => 'Logger::WARN' } log = Logger.new STDOUT log.level = Kernel.const_get config[:level] Well, the irb wasn't happy with that and threw "NameError: wrong constant name Logger::WARN" in my face. Ugh! I was insulted. I could do this in a case/when to solve this, or do log.level = 1, but there must be a more elegant way! Does anyone have any ideas? -daniel

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• Can I create a custom roleprovider through a WCF service?

  - by RJ

  I have a web application that accesses a database through a wcf service. The idea is to abstract the data from the web application using the wcf service. All that works fine but I am also using the built in roleprovider using the SqlRoleManager which does access the aspnetdb database directly. I would like to abstract the roleprovider by creating a custom roleprovider in a wcf service and then accessing it through the wcf service. I have created the custom role provider and it works fine but now I need to place it in a wcf service. So before I jump headlong into trying to get this to work through the WCF service, I created a second class in the web application that accessed the roleprovider class and changed my web config roleprovider parameters to use that class. So my roleprovider class is called, "UcfCstRoleProvider" and my web.config looks like this: <roleManager enabled="true" defaultProvider="UcfCstRoleProvider"> <providers> <add name="UcfCstRoleProvider" type="Ucf.Security.Wcf.WebTests.UcfCstRoleProvider, Ucf.Security.Wcf.WebTests" connectionStringName="SqlRoleManagerConnection" applicationName="SMTP" /> </providers> </roleManager> My class starts like this: public class UcfCstRoleProvider : RoleProvider { private readonly WindowsTokenRoleProvider _roleProxy = new WindowsTokenRoleProvider(); public override string ApplicationName { get { return _roleProxy.ApplicationName; } set { _roleProxy.ApplicationName = value; } } As I said, this works fine. So the second class is called BlRoleProvider that has identical properties and parameters as the roleprovide but does not implement RoleProvider. I changed the web.config to point to this class like this: <roleManager enabled="true" defaultProvider="BlRoleProvider"> <providers> <add name="UcfCstRoleProvider" type="Ucf.Security.Wcf.WebTests.BlRoleProvider, Ucf.Security.Wcf.WebTests" connectionStringName="SqlRoleManagerConnection" applicationName="SMTP" /> </providers> </roleManager> But I get this error. "Provider must implement the class 'System.Web.Security.RoleProvider'." I hope I have explained well enough to show what I am trying to do. If I can get the roleprovider to work through another class in the same application, I am sure it will work through the WCF service but how do I get past this error? Or maybe I took a wrong turn and there is a better way to do what I want to do??

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• Problems integrating nServiceBus with StructureMap

  - by SimonB

  I'm trying to use StructureMap with nServiceBus. The Project: Uses a GenericHost Endpoint to send command messages Configures nServiceBus using the StructMapBuilder. Uses a simple StructureMap registry config Uses a start up class TestServer supporting IWantToRunAtStartup The TestServer class has ctor dependency on a TestManager class The TestManager class has ctor dependency on IBus ObjectFactory.WhatDoIHave() shows StructureMap knows how to construct the classes. When run I get buildup errors. nServiceBus seems to be overwriting the config? Note that when I add a IBus ctor depenendency to my event handlers without any other config all appears fine. Error: Exception when starting endpoint, error has been logged. Reason: Error creating object with name 'nSeviceBusStructureMapTest.TestServer' : Unsatisfied dependency expressed through constructor argument with index 0 of type [nSeviceBusStructureMapTest.ITestManager] : No unique object of type [nSeviceBusStructureMapTest.ITestManager] is defined : Unsatisfied dependency of type [nSeviceBusStructureMapTest.ITestManager]: expected at least 1 matching object to wire the [miningServiceManage] parameter on the constructor of object [nSeviceBusStructureMapTest.TestServer] Source: using System; using System.Diagnostics; using NServiceBus; using StructureMap; using StructureMap.Configuration.DSL; namespace nSeviceBusStructureMapTest { public class TestSmRegistry : Registry { public TestSmRegistry() { For<ITestManager>().Use<TestManager>(); For<TestServer>().Use<TestServer>(); } } public class TestEndPoint : AsA_Server, IConfigureThisEndpoint, IWantCustomLogging { public void Init() { Configure.With().StructureMapBuilder(ObjectFactory.Container); ObjectFactory.Configure(c => c.AddRegistry<TestSmRegistry>()); Debug.WriteLine(ObjectFactory.WhatDoIHave()); } } public class TestServer : IWantToRunAtStartup { public TestServer(ITestManager miningServiceManage) { _miningServiceManage = miningServiceManage; } private readonly ITestManager _miningServiceManage; public void Run() { _miningServiceManage.Run(); } public void Stop() { } } public interface ITestManager { void Run(); } public class TestManager : ITestManager { public TestManager(IBus bus) { _bus = bus; } private readonly IBus _bus; public void Run() { if (_bus == null) Debug.WriteLine("Error no bus"); // Send messages on bus; } } } <MsmqTransportConfig InputQueue="test" ErrorQueue="error" NumberOfWorkerThreads="1" MaxRetries="5" /> <UnicastBusConfig> <MessageEndpointMappings> </MessageEndpointMappings> </UnicastBusConfig> Any ideas?

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• log4net logging problem

  - by Dotnet_user

  Hello everyone, I'm not sure if this is the right forum to post this question. But I'm just hoping someone here might have used log4net in the past, so hoping to get some help. I'm using log4net to log my exceptions. The configuration settings look like this: <?xml version="1.0" encoding="utf-8" ?> <configuration> <configSections> <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/> </configSections> <log4net debug="false"> <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender"> <file value="C:\Logs\sample.log" /> <appendToFile value="true"/> <rollingStyle value="Size"/> <maxSizeRollBackups value="10"/> <maximumFileSize value="10MB"/> <staticLogFileName value="true"/> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%-5level %date %logger.%method[line %line] - %message%newline"/> </layout> </appender> <root> <level value="INFO"/> <appender-ref ref="RollingLogFileAppender"/> </root> </log4net> </configuration> I started out by adding this configuration to web.config, but I got an error (VS studio could not find a schema for log4net-"Could not find schema information for the element log4net"). So I followed this link (http://stackoverflow.com/questions/174430/log4net-could-not-find-schema-information-messages) and configured my settings in a separate xml file and added the following line of code in my AssemblyInfo.cs: [assembly: log4net.Config.XmlConfigurator(ConfigFile = "xmlfile.xml", Watch = true)] And in the actual code, I placed this line: public void CreateUser(String username, String password) { try { log.Info("Inside createuser"); //code for creating user } catch(exception e) { log.Info("something happened in create user", e); } } The problem is that the log file is not being created. I can't see anything inside C:\Logs. Can anybody tell me what I'm doing wrong here? Any suggestions/inputs will be very helpful. Thank you all in advance.

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• Invalid view state exception in asp.net. do you know any solution?

  - by mmtemporary

  this problem make me crazy! i have asp.net website it raise periodically this error (in IE8): System.Web.HttpException: Invalid viewstate. at System.Web.UI.Page.DecryptStringWithIV(String s, IVType ivType) at System.Web.Handlers.AssemblyResourceLoader.System.Web.IHttpHandler .ProcessRequest(HttpContext context) ,... or (in IE6) System.FormatException: Invalid length for a Base-64 char array. at System.Convert.FromBase64String(String s) at System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) or (in IE7) System.FormatException: Invalid character in a Base-64 string. at System.Convert.FromBase64String(String s) at System.Web.UI.ObjectStateFormatter.Deserialize(String inputString) i set enableViewStateMac in web.config to false and defined machinekey in my web.config and defined UTF-8 encoding for every page but i received this errors. do you have any solution? best regards

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• theming sencha touch error: File to import not found or unreadable: sencha-tou ch/default/all

  - by dan

  I just cant find a workarround for this, please help my config.rb in location $PROJECT_HOME/assets/www/theming dir = File.dirname('..Path_to_project_home..\assets\www\theming\config.rb') load File.join(dir, '..', 'lib', 'touch', 'resources', 'themes') sass_path = dir css_path = dir environment = :production output_style = :compressed this is my app.scss: @import 'sencha-touch/default/all'; @include sencha-panel; @include sencha-buttons; @include sencha-toolbar; @include sencha-list; @include sencha-layout; @include sencha-sheet; @include sencha-msgbox; in the console in the directory of the 'sass_path' I run compass compile app.scss but I get the following error: File to import not found or unreadable: sencha-touch/default/all. Please help, cant solve this.

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• ServerAlias www.example.com is not recognized

  - by Tianzhou Chen

  Below is my config file: NameVirtualHost 12.34.56.78:80 < VirtualHost 12.34.56.78:80 ServerAdmin [email protected] ServerName domain1.com ServerAlias www.domain1.com DocumentRoot /srv/www/domain1.com/public_html1/ ErrorLog /srv/www/domain1.com/logs/error.log CustomLog /srv/www/domain1.com/logs/access.log combined < /VirtualHost < VirtualHost 12.34.56.78:80 ServerAdmin [email protected] ServerName domain2.com ServerAlias www.domain2.com DocumentRoot /srv/www/domain2.com/public_html1/ ErrorLog /srv/www/domain2.com/logs/error.log CustomLog /srv/www/domain2.com/logs/access.log combined < /VirtualHost The thing is when I put www.domain1.com into browser, apache2 doesn't retrieve the web page resides in /srv/www/domain1.com/public_html1/, instead, it gets the page from the default document root defined in another file. However, if I put www.domain2.com, everything works fine. I don't see any difference between two VirtualHost config block, so I wonder what does make the difference. BTW, I haven't put any .htaccess file under their document root. Thanks for your advice! Tianzhou

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• How to include multiple XML files in a single XML file for deserialization by XmlSerializer in .NET

  - by harrydev

  Hi, is it possible to use the XmlSerializer in .NET to load an XML file which includes other XML files? And how? This, in order to share XML state easily in two "parent" XML files, e.g. AB and BC in below. Example: using System; using System.IO; using System.Xml.Serialization; namespace XmlSerializerMultipleFilesTest { [Serializable] public class A { public int Value { get; set; } } [Serializable] public class B { public double Value { get; set; } } [Serializable] public class C { public string Value { get; set; } } [Serializable] public class AB { public A A { get; set; } public B B { get; set; } } [Serializable] public class BC { public B B { get; set; } public C C { get; set; } } class Program { public static void Serialize<T>(T data, string filePath) { using (var writer = new StreamWriter(filePath)) { var xmlSerializer = new XmlSerializer(typeof(T)); xmlSerializer.Serialize(writer, data); } } public static T Deserialize<T>(string filePath) { using (var reader = new StreamReader(filePath)) { var xmlSerializer = new XmlSerializer(typeof(T)); return (T)xmlSerializer.Deserialize(reader); } } static void Main(string[] args) { const string fileNameA = @"A.xml"; const string fileNameB = @"B.xml"; const string fileNameC = @"C.xml"; const string fileNameAB = @"AB.xml"; const string fileNameBC = @"BC.xml"; var a = new A(){ Value = 42 }; var b = new B(){ Value = Math.PI }; var c = new C(){ Value = "Something rotten" }; Serialize(a, fileNameA); Serialize(b, fileNameB); Serialize(c, fileNameC); // How can AB and BC be deserialized from single // files which include two of the A, B or C files. // Using ideally something like: var ab = Deserialize<AB>(fileNameAB); var bc = Deserialize<BC>(fileNameBC); // That is, so that A, B, C xml file // contents are shared across these two } } } Thus, the A, B, C files contain the following: A.xml: <?xml version="1.0" encoding="utf-8"?> <A xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <Value>42</Value> </A> B.xml: <?xml version="1.0" encoding="utf-8"?> <B xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <Value>3.1415926535897931</Value> </B> C.xml: <?xml version="1.0" encoding="utf-8"?> <C xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <Value>Something rotten</Value> </C> And then the "parent" XML files would contain a XML include file of some sort (I have not been able to find anything like this), such as: AB.xml: <?xml version="1.0" encoding="utf-8"?> <AB xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <A include="A.xml"/> <B include="B.xml"/> </AB> BC.xml: <?xml version="1.0" encoding="utf-8"?> <BC xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <B include="B.xml"/> <C include="C.xml"/> </BC> Of course, I guess this can be solved by implementing IXmlSerializer for AB and BC, but I was hoping there was an easier solution or a generic solution with which classes themselves only need the [Serializable] attribute and nothing else. That is, the split into multiple files is XML only and handled by XmlSerializer itself or a custom generic serializer on top of this. I know this should be somewhat possible with app.config (as in http://stackoverflow.com/questions/480538/use-xml-includes-or-config-references-in-app-config-to-include-other-config-files), but I would prefer a solution based on XmlSerializer. Thanks.

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• Use absolute path for easier modify include path in future?

  - by i need help

  config.php put at the root level, this file will be included in any pages. Then at config.php <?php define( 'ROOT_DIR', dirname(__FILE__) ); ?> So at all other pages from different sub/a.php , sub/sub/b.php directories, when I want to include a specific file in specific location, I just need to include( ROOT_DIR.'/include/functions.php' ); In windows server, the ROOT_DIR bring the value to C:/inetpub/vhosts/domain.com Is this a good/secure way? It seems like via this way, when I move the b.php to other upper level folder, I don't need to do any changes to the include file path, which is good for maintenance. Any cons? Like SEO wise, or any other reason... What you guys think.

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• How can I automatically cycle a new image in an AWS Auto Scaling Group?

  - by JustinY

  I have a web application setup with a load balancer and auto scaling group to manage scaling. The source code is in a git repository so I don't have to update the images when the code changes, but occasionally the environment changes so we create a new image. Then that image needs to be cycled into the auto scaling group. Is there a way to cycle the images automatically? Right now I schedule a scale up and scale down action which gets rid of the old instances.

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• how to rest my app to support mobile phone

  - by qichunren

  I am now going to develop a mobile website both support common html format page and wml format page(Because now a usual web browser on mobile can view html page and some old mobiles only support wml ) First step: register content type for wml page config/initializers/mime_types.rb Mime::Type.register_alias "text/vnd.wap.wml", :wml Second: Create two format page for an action in view: class WelcomeController < ApplicationController def index @latest_on_sale_auctions = Auction.latest(15) respond_to do |format| format.html format.wml end end end It works well as I visit: http://localhost:3000/welcome But got: Routing Error No route matches "/welcome.wml" with {:method=:get} as I visit:http://localhost:3000/welcome.wml and it works well as I visit:http://localhost:3000/welcome?format=wml my config/routes.rb like this: ActionController::Routing::Routes.draw do |map| map.root :controller => "welcome" map.connect ':controller/:action/:id' map.connect ':controller/:action/:id.:format' end My rails version is 2.3.5,please help me, I want a restful app,both support html and wml.

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