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  • Silverlight TV 19: Hidden Gems from MIX10, UFC's Multi-Touch App

    John ran into Silverlight MVP Ward Bell of IdeaBlade while at MIX10 (how could anyone miss him!). Ward was kind enough to sit and talk with John to show off the multi-touch application his company wrote for UFC using Silverlight. It uses multi-touch, Caliburn, MVVM, and, of course, Silverlight! Relevant links: John's Blog Ward's Blog Silverlight 4 RC Features (or download here) Follow us on Twitter @SilverlightTV Learn more about Silverlight with the new Silverlight Training Course...Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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  • "Il faut repenser les OS pour les processeurs multi-coeurs", d'après Microsoft

    "Il faut repenser les OS pour les processeurs multi-coeurs", d'après Microsoft Dave Probert est expert du noyau chez Microsoft. Selon lui, l'approche actuelle du multi-coeur n'est pas encore à même d'en exploiter toute la puissance, et est trop "compliquée". Aussi, propose-t-il une autre organisation. Car, d'après lui, "la solution" ne se situerait pas dans l'amélioration de techniques "comme le parallel programming, mais plutôt dans le refonte des abstractions de base qui constituent le modèle du système d'exploitation". Il explique qu'on ne tire pas assez parti des performances offertes par les processeurs multicoeurs et qu'aujourd'hui, on ne devrait plus avoir à patienter de...

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  • Apps capable of mounting/unmounting CD/DVD Images with multi-sector or protected format

    - by Luis Alvarado
    What apps for Ubuntu exist that can mount/unmount CD/DVD images. Image formats like cue, bin, iso, nero format, etc... Needed features: Emulate protected CD/DVD like Daemon-Tools Mount multi-sector images Converting other formats (including multi-sector images) to ISO format. UPDATE - Updated question to "need the 3 features above instead of having them as optional". This 3 features are needed to be able to use images that have any of this features enable. For normal mounting/burning image apps you can see here: How can I graphically mount ISOs? Can I mount an ISO without administrative privileges? How burn or mount an ISO file?

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  • What causes Multi-Page allocations?

    - by SQLOS Team
    Writing about changes in the Denali Memory Manager In his last post Rusi mentioned: " In previous SQL versions only the 8k allocations were limited by the ‘max server memory’ configuration option.  Allocations larger than 8k weren’t constrained." In SQL Server versions before Denali single page allocations and multi-Page allocations are handled by different components, the Single Page Allocator (which is responsible for Buffer Pool allocations and governed by 'max server memory') and the Multi-Page allocator (MPA) which handles allocations of greater than an 8K page. If there are many multi-page allocations this can affect how much memory needs to be reserved outside 'max server memory' which may in turn involve setting the -g memory_to_reserve startup parameter. We'll follow up with more generic articles on the new Memory Manager structure, but in this post I want to clarify what might cause these larger allocations. So what kinds of query result in MPA activity? I was asked this question the other day after delivering an MCM webcast on Memory Manager changes in Denali. After asking around our Dev team I was connected to one of our test leads Sangeetha who had tested the plan cache, and kindly provided this example of an MPA intensive query: A workload that has stored procedures with a large # of parameters (say > 100, > 500), and then invoked via large ad hoc batches, where each SP has different parameters will result in a plan being cached for this “exec proc” batch. This plan will result in MPA.   Exec proc_name @p1, ….@p500 Exec proc_name @p1, ….@p500 . . . Exec proc_name @p1, ….@p500 Go   Another workload would be large adhoc batches of the form: Select * from t where col1 in (1, 2, 3, ….500) Select * from t where col1 in (1, 2, 3, ….500) Select * from t where col1 in (1, 2, 3, ….500) … Go  In Denali all page allocations are handled by an "Any size page allocator" and included in 'max server memory'. The buffer pool effectively becomes a client of the any size page allocator, which in turn relies on the memory manager. - Guy Originally posted at http://blogs.msdn.com/b/sqlosteam/

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  • Multi-Part Map Troubleshooting

    - by Michael Stephenson
    Scenario I came across a nice little one with multi-part maps the other day. I had an orchestration where I needed to combine 4 input messages into one output message like in the below table:   Input Messages Output Messages Company Details Member Details Event Message Member Search Member Import   I thought my orchestration was working fine but for some reason when I was trying to send my message it had no content under the root node like below <ns0:ImportMemberChange xmlns:ns0="http://---------------/"></ns0:ImportMemberChange>   My map is displayed in the below picture. I knew that the member search message may not have any elements under it but its root element would always exist. The rest of the messages were expected to be fully populated. I tried a number of different things and testing my map outside of the orchestration it always worked fine. The Eureka Moment The eureka moment came when I was looking at the xslt produced by the map. Even though I'd tried swapping the order of the messages in the input of the map you can see in the below picture that the first part of the processing of the message (with the red circle around it) is doing a for-each over the GetCompanyDetailsResult element within the GetCompanyDetailsResponse message. This is because the processing is driven by the output message format and the first element to output is the OrganisationID which comes from the GetCompanyDetailsResponse message. At this point I could focus my attention on this message as the xslt shows that if this xpath statement doesn’t return the an element from the GetCompanyDetailsResponse message then the whole body of the output message will not be produced and the output from the map would look like the message I was getting. <ns0:ImportMemberChange xmlns:ns0="http://---------------/"></ns0:ImportMemberChange> I was quickly able to prove this in my map test which proved this was a likely candidate for the problem. I revisited the orchestration focusing on the creation of the GetCompanyDetailsResponse message and there was actually a bug in the orchestration which resulted in the message being incorrectly created, once this was fixed everything worked as expected. Conclusion Originally I thought it was a problem with the map itself, and looking online there wasn’t really much in the way of content around troubleshooting for multi-part map problems so I thought I'd write this up. I guess technically it isn't a multi-part map problem, but I spend a good couple of hours the other day thinking it was.

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  • Multi Column Block Too Narrow in Chrome

    - by aksarben
    My Web site displays song lyrics in a multi-column format, using CSS3. Both Firefox & MSIE 10+ display the multi-column text perfectly, but Chrome does not. This sample page shows the problem: http://www.hymntime.com/tch/test/html5/html5-multicolumn-test.htm The page uses a media selector, so your Chrome window must be at least 1280 pixels wide to see the effect. In fact, if you make the Chrome window less than 1280 pixels, you'll see the lyrics block change to a single column, of the same overall width. In other words, when Chrome shifts to 1-column to 2-column mode (due to the wider browser window), the lyrics block remains the same width, causing text to be squeezed together. Has anyone else seen this behavior, or know a solution? Is this a Chrome bug, or I am I doing something wrong? I posted this question on a Chrome forum a while back, but got no reply.

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  • .htaccess - redirect non www to www and retain subdomains from redirecting

    - by RhymeGuy
    So, on my main domain 'domain.com' I created several subdomains from cPanel, like 'sub1.domain.com' and 'sub2.domain.com'. Their real location on server is in 'domain.com/sub1' and 'domain.com/sub2'. Now, I want to redirect non www to www with .htaccess and this is what currently what i have: <IfModule mod_rewrite.c> RewriteEngine On RewriteBase / RewriteCond %{HTTP_HOST} !^www\.domain\.com [NC] RewriteRule ^(.*) http://www.domain.com/$1 [L,R=301] </IfModule> This works. When somebody enter domain.com it will be redirected to www.domain.com. However when somebody enter sub1.domain.com, he will be redirected to www.domain.com/sub1 - which I don't want, it needs to be in sub1.domain.com. What shall I add in .htaccess file to accomplish this?

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  • Nginx user subdomains, should I proxy_pass?

    - by Kevin L.
    I am trying to setup user subdomains, serving content from specific folders: www.example.com/username served from username.example.com (just like github pages). I've looked at Nginx rewrites, but I don't want the browser to redirect--I want the domain to be username.example.com. Anyway, a comment on this question says that I cannot rewrite host, only proxy to it. I tried to setup a proxy_pass, but all of the documentation and examples show it being used to (obviously) proxy to a service on another host or port, but in my case I want to just proxy to another location on the same host and port. Is this the appropriate way to tackle this problem, and if so, what is the right Nginx config syntax?

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  • What kind of DNS and IIS configuration is needed to allow multiple domains to point to a multi-tenant web application?

    - by holiveira
    I'm developping a multi-tenant web application in ASP.NET MVC and it will provide my users the ability to have a custom subdomain pointing to their account page (like user.myapp.com). I already have it working by using a wildcard DNS entry and a code to query the database to load the user data based on the domain. I'm planning to offer the possibility of using custom domains, allowing the users to buy their own domains and use it instead of the subdomains that will be provided by default. I currently use DNSMadeEasy to host the DNS for the application main domain. I just don't know what kind of settings I must make to allow this feature to work, since the users will have domains hosted in several companies. Will I have to create my own nameservers and provide it to my users? What other things I must consider to implement it efficiently?

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  • Setting up Ubuntu Server on Amazon EC2 for hosting multiple domains with wildcard subdomains

    - by Ashish Kumar
    I'm trying to set up multiple domains on my Amazon EC2 micro instance running Ubuntu Server 12.04. I installed Apache correctly and set up virtual hosts but having problems with wildcard subdomains. This is what my httpd.conf file looks like NameVirtualHost *:80 <VirtualHost *:80> UseCanonicalName Off VirtualDocumentRoot /home/username/domains/%0/html/ </VirtualHost> My DNS records (on Amazon Route 53) are: domain.tld A 1.2.3.4 *.domain.tld A 1.2.3.4 If i create a test.domain.tld directory with the html subdirectory, it works fine. But what I want to do is to redirect *.domain.tld to domain.tld in case there is no directory for the sub-domain accessed. I would also like www.domain.tld to redirect to domain.tld. The system should also work if I decide to host another website, example.com, on the server. I tried Googling a lot but without any luck. Suggestions?

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  • Apache: domains working fine, subdomains not working anymore

    - by David Lawson
    Hi there, I'm not sure when, but suddenly subdomains aren't working on my server. e.g. www.davidlawson.co works, but david.lawson.co isn't working. <VirtualHost 173.203.109.191:80> ServerAdmin [email protected] ServerName david.lawson.co ServerAlias davidlawson.co ServerAlias www.davidlawson.co DocumentRoot /var/www/lawson/david <Directory /var/www/lawson/david/> Options -Indexes FollowSymLinks MultiViews AllowOverride All Order allow,deny allow from all </Directory> ErrorLog /var/log/apache2/lawson/david/error.log # Possible values include: debug, info, notice, warn, error, crit, # alert, emerg. LogLevel warn CustomLog /var/log/apache2/lawson/david/access.log combined </VirtualHost> Any suggestions on how to debug this further, or what the problem might be?

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  • associate dhcp requests with subdomains in dnsmasq

    - by Dezra
    I have dnsmasq running as a dns server with a number of linux boxes using static ips that run several virtual hosts on subdomains. I currently have the following address line in my dnsmasq.conf to map the subdomain of a boxes address to the boxes static ip: address=/.devbox1.mydomain.com/192.168.1.3 address=/.devbox2.mydomain.com/192.168.1.4 e.g. site1.devbox1.mydomain.com > maps to devbox1 static ip, site1 virtual host site2.devbox1.mydomain.com > maps to devbox1 static ip, site2 virtual host site3.devbox2.mydomain.com > maps to devbox2 static ip, site3 virtual host I was wondering if I can change the machines over to DHCP addresses (instead of static) and have dnsmasq use the dhcp ip instead of the static one? Can I modify the address line to refer to the DHCP address (obviously, I cant hardcode the address)? I know I could add mac address to ip allocation, but I want to avoid this if possible.

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  • Configuring subdomains for a machine (Win2k8) in a lan

    - by RMS
    I am currently setting up a windows 2008 server to host a website with multiple subdomains, all accessible only within the lan. also, there is no active directory. what I did is : 1 - computer name : 'web' 2 - in IIS, I added a site binding as 'site1.web' to the default web site 3 - added DNS role to the server 4 - added 'web' as principal zone in direct lookup zones (default options) 5 - added CNAME 'site1' From a client machine, in tcpip config I added the ip address of 'web' to the DNS list in addition to the ISP DNS. (client machine ip is from DHCP) Now browsing to 'http://web' or 'http://site1.web' works correctly. My question is, is it possible throught additional steps in the server to have the websites accessible without requiring the DNS config in all the client machines ? thanks in advance

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  • Route multiple subdomains on one external ip to multiple internal ips

    - by Abenil
    i have several subdomains(git.example.org, build.example.org, etc.), i have a router with an external ip and i have several virtual machines on a host computer with internal ips. Now i want to route git.example.org to internal ip 10.0.2.1 and build.example.org to internal ip 10.0.2.2. How can I do this? I setup in the Router that all traffic on port 80 is comming to my host computer with internal ip 10.0.2.3 and installed Squid on that computer. I added the following lines to the squid.conf file: cache_peer 10.0.2.1 parent 80 0 no-query originserver name=server_1 cache_peer_domain server_1 git.example.org cache_peer 10.0.2.2 parent 80 0 no-query originserver name=server_2 cache_peer_domain server_2 build.example.org But this is not working for me. :( Any help appreciated. Regards Nils Update: Here is the solution for Apache http://serverfault.com/a/273693

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  • Apache Virtual host Subdomains points to same directory

    - by Jakobud
    I have setup subdomains using Apache before and have never really ran into any big problems. But with this (I believe Centos) server that is one of my clients, I'm not understanding what I'm doing wrong. Here is the .conf that apache is loading: Listen 80 NameVirtualHost *:80 <VirtualHost *:80> ServerName www.thedomain.com DocumentRoot /u1/thedomain.com/public RailsEnv production </VirtualHost> <VirtualHost *:80> ServerName subdomain.thedomain.com DocumentRoot /u1/subdomain.thedomain.com/public_html </VirtualHost> When I access either the primary or subdomain addresses, they both point to the primary www.thedomain.com content. Any thoughts? UPDATE: Yes I did a configtest and graceful after making the changes.

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  • pfSense router gives DNS rebinding warning when accessing subdomains

    - by Richard Maddis
    I have just set up a router running pfSense on our network and forwarded the appropriate ports. I have a small web server running in my network, and a domain name pointing to our (WAN) IP. When accessing that domain name, everything works fine. However, when accessing a subdomain of the domain name, pfSense will give a DNS rebinding warning. This did not happen back when I used a DD-WRT router. What is the proper way to fix this? The DNS records for the subdomain also point to the same address (I use a virtual server to differentiate the subdomains.)

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  • Dynamic Virtual Hosts In Apache with www and non-www subdomains

    - by haukish
    I don't know apache very well and I've got a problem with configure mod_vhost_alias This is my httpd.conf file: UseCanonicalName Off LogFormat "%V %h %l %u %t \"%r\" %s %b" vcommon <Directory /var/www/sites/> Options FollowSymLinks AllowOverride All </Directory> <VirtualHost *:80> CustomLog logs/access_log.sites vcommon ServerAlias *.domain.com UseCanonicalName Off VirtualDocumentRoot /var/www/sites/%1/ </VirtualHost> Subdomains work fine without www. but I need to make them work with www too. Here's an example: something.domain.com - site is loading www.something.domain.com - Not Found What should I do?

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  • redirect wildcard subdomains to https (nginx)

    - by whatWhat
    I've got a wildcard ssl certification and I'm trying to redirect all non-ssl traffic to ssl. Currently I'm using the following for redirection the non-subdomainded url which is working fine. server { listen 80; server_name mydomain.com; #Rewrite all nonssl requests to ssl. rewrite ^ https://$server_name$request_uri? permanent; } when I do the same thing for *.mydomain.com it logically redirects to https://%2A.mydomain.com/ How do you redirect all subdomains to their https equivalent?

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  • Pull Request Changes, Multi-Selection in Advanced View, and Advertisement Changes

    [Do you tweet? Follow us on Twitter @matthawley and @adacole_msft] We deployed a new version of the CodePlex website today. Pull Request Changes In this release, we have begun to re-focus on Pull Requests to ensure a productive experience between the project users and developers. We feel we made significant progress in this area for this release and look forward to using your feedback to drive future iterations. One of the biggest hurdles people have indicated is the inability to see what a pull request includes without pulling the source down from a Mercurial client. With today’s changes, any user has the ability to view a pull request, the changesets / changes included, and perform an inline diff of the file. When a pull request is made, the CodePlex website will query for all outgoing changes from the fork to the main repository for a point-in-time comparison. Because of this point-in-time comparison… All existing pull requests created prior to this release will not have changesets associated with them. If new commits are pushed to the fork while a pull request is active, they will not appear associated with the pull request. The pull request will need to be re-submitted for them to appear. Once a pull request is created, you can “View the Pull Request” which takes you to a page that looks like As you may notice, we now display a lot more detailed information regarding that pull request including who it was requested by and when, the associated changesets, the description, who it’s assigned to (we’ll come back to this) and the listing of summarized file changes. What you’ll also notice, is that each modified file has the ability to view a diff of all changes made. When you click “(view diff)” for a file, an inline diff experience appears. This new experience allows you to quickly navigate through all of the modified files as well as viewing the various change blocks for each file. You’ll also notice as you browse through each file’s changes, we update the URL to include the file path so you can quickly send a direct link to a pull request’s file. Clicking “(close diff)” will bring you back to the original pull request view. View this pull request live on WikiPlex. Pull Request Review Assignment Another new feature we added for pull requests is the ability for project members to assign pull requests for review. Any project member has the ability to assign (and re-assign if needed) a pull request to a project member. Once the assignment has been made, that project member will be notified via email of the assignment. Once they complete the review of the pull request, they can either accept or deny it similarly to the previous process. Multi-Selection in Advanced View Filters One of the more recent requests we have heard from users is the ability multi-select advanced view filters for work items. We are happy to announce this is now possible. Simply control-click the multiple options for each filter item and your work item query will be refined as such. Should you happen to unselect all options for a given filter, it will automatically reset to the default option for that filter. Furthermore, the “Direct Link” URL will be updated to include the multi-selected options for each filter. Note: The “Direct Link” feature was released in our previous deployment, just never written about. It allows you to capture the current state of your query and send it to other individuals. Advertisement Changes Very recently, the advertiser (The Lounge) we partnered to provide advertising revenue for projects, or donated to charity, was acquired by Lake Quincy Media. There has been no change in the advertising platform offering, and all projects have been converted over to using the new infrastructure. Project owners should note the new contact information for getting paid. The CodePlex team values your feedback, and is frequently monitoring Twitter, our Discussions and Issue Tracker for new features or problems. If you’ve not visited the Issue Tracker recently, please take a few moments to log an idea or vote for the features you would most like to see implemented on CodePlex.

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  • nginx subdomains improperly act like wildcard?

    - by binjured
    I have an odd problem with nginx subdomains. First, my configuration: server { listen 443 ssl; server_name secure.example.com; ssl_certificate example.crt; ssl_certificate_key example.key; keepalive_timeout 70; location / { fastcgi_pass 127.0.0.1:8000; ... } } server { listen 80; server_name example.com www.example.com; location / { fastcgi_pass 127.0.0.1:8000; ... } } The idea being that I have a secure domain, secure.example.com and a normal domain, example.com. In practice, I can go to https://example.com and http://secure.example.com. I worked around the second issue with an intermediary server: server { listen 80; server_name secure.example.com; rewrite ^(.*) https://secure.example.com$1 permanent; } But this is not an optimal solution and I'd have to create another one to redirect https on the tld to the subdomain. I feel like I must be doing something wrong if I need multiple servers like that. Why does https://example.com work when there is no server listening on 443 there? Shouldn't it just fail to connect? I'm rather confused.

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  • wget mirroring, subdomains and directories and cookies

    - by Jimmu
    Hi all, I have an account on a web page that is now "full" (ie I have used up all my allocated space) and I would like to make a mirror of that site. wget seems like the thing to use. The problem is that I would only like to mirror the sites the lie within this directory http://user.domain.com/room/2324343/transcript/ (and sub-directories). Whilst saving the correct stylesheets, javascripts and css etc which exist in different directories. There as also uploaded files that are linked to within the pages in the transcript directory (on different directories) that I would like to download/mirror (theses are in a variatey of formats .exe, .py, .png, .app (and many more)). There are also images that are on different severs that are on these pages. Also I would like it if the links (which are sometimes relative , sometimes absoulute (but to internal things), sometimes external ) worked correctly so that if they link to things that have been downloaded(mirrored) they work fine (without internet connection), but if they link to things that are external or havent been mirrored they link to the external site. Basically so they work as expected. Another problem is that you have to log in to acess the site. Can wget be used to acomplish this or is there a better way? either way how do I achive this? (I have asked this question at stackoverflow.com/questions/2190115/wget-mirroring-subdomains-and-directories-and-cookies but it was recommended that I try asking it here)

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  • nginx reverse ssl proxy with multiple subdomains

    - by BrianM
    I'm trying to locate a high level configuration example for my current situation. We have a wildcard SSL certificate for multiple subdomains which are on several internal IIS servers. site1.example.com (X.X.X.194) -> IISServer01:8081 site2.example.com (X.X.X.194) -> IISServer01:8082 site3.example.com (X.X.X.194) -> IISServer02:8083 I am looking to handle the incoming SSL traffic through one server entry and then pass on the specific domain to the internal IIS application. It seems I have 2 options: Code a location section for each subdomain (seems messy from the examples I have found) Forward the unencrypted traffic back to the same nginx server configured with different server entries for each subdomain hostname. (At least this appears to be an option). My ultimate goal is to consolidate much of our SSL traffic to go through nginx so we can use HAProxy to load balance servers. Will approach #2 work within nginx if I properly setup the proxy_set_header entries? I envision something along the lines of this within my final config file (using approach #2): server { listen Y.Y.Y.174:443; #Internally routed IP address server_name *.example.com; proxy_pass http://Y.Y.Y.174:8081; } server { listen Y.Y.Y.174:8081; server_name site1.example.com; -- NORMAL CONFIG ENTRIES -- proxy_pass http://IISServer01:8081; } server { listen Y.Y.Y.174:8081; server_name site2.example.com; -- NORMAL CONFIG ENTRIES -- proxy_pass http://IISServer01:8082; } server { listen Y.Y.Y.174:8081; server_name site3.example.com; -- NORMAL CONFIG ENTRIES -- proxy_pass http://IISServer02:8083; } This seems like a way, but I'm not sure if it's the best way. Am I missing a simpler approach to this?

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  • Subdomains and address bar

    - by Priednis
    I have a fairly noob question about how subdomains work. As I understand at first the DNS server specifies that a request for certain subdomain.domain.com has to go to the IP address of domain.com, and the webserver at domain.com further processes the request and displays the needed subdomain page. It is not entirely clear to me how (for example Apache) server does it. As I understand there can be entries in vhosts.conf file which specify folders that contain the subdomain data. Something like: <VirtualHost *> ServerName www.domain.com DocumentRoot /home/httpd/htdocs/ </VirtualHost> <VirtualHost *> ServerName subdomain.domain.com DocumentRoot /home/httpd/htdocs/subdomain/ </VirtualHost> and there also can be redirect entries in .htaccess files like rewritecond %{http_host} ^subdomain.domain.com [nc] rewriterule ^(.*)$ http://www.domain.com/subdomain/ [r=301,nc] however in this case the user gets directed to the directory which contains the subdomain data but the user gets "out" of the subdomain. I would like to know - how, when going to subdomain.domain.com the subdomain.domain.com, beginning of address remains visible in the address bar of the explorer? Can it be done by an alternate entry in .htaccess file? If a VirtualHost entry is specified in the vhosts.conf file, does it mean, that a new user account has to be specified for access to this directory?

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