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• Installing chrome in Centos 6.2 (Final)

  - by usjes

  I need to install chrome in a dedicated centos server where I only access via ssh, it doesn't have X or any windows graphical stuff. I need it to be able to pack extensions using google-chrome --pack-extension. I tried adding this to /etc/yum.repos.d/google.repo [google-chrome] name=google-chrome - 32-bit baseurl=http://dl.google.com/linux/chrome/rpm/stable/i386 enabled=1 gpgcheck=1 gpgkey=https://dl-ssl.google.com/linux/linux_signing_key.pub And then yum install google-chrome-stable, but there's a huge list of dependencies problems: How can I install chrome without breaking anything else? UPDATE: Ok, I installed perl-CGI from .rpm because yum couldn't find it, now dependencies resolve and it show me this list of packages to install: Dependencies Resolved ============================================================================================================================================================================================================================================= Package Arch Version Repository Size ============================================================================================================================================================================================================================================= Installing: google-chrome-stable x86_64 19.0.1084.52-138391 google-chrome 35 M Installing for dependencies: ConsoleKit x86_64 0.4.1-3.el6 base 82 k ConsoleKit-libs x86_64 0.4.1-3.el6 base 17 k GConf2 x86_64 2.28.0-6.el6 base 964 k ORBit2 x86_64 2.14.17-3.1.el6 base 168 k bc x86_64 1.06.95-1.el6 base 110 k cdparanoia-libs x86_64 10.2-5.1.el6 base 47 k cups x86_64 1:1.4.2-44.el6_2.3 updates 2.3 M dbus x86_64 1:1.2.24-5.el6_1 base 207 k desktop-file-utils x86_64 0.15-9.el6 base 47 k ed x86_64 1.1-3.3.el6 base 72 k eggdbus x86_64 0.6-3.el6 base 91 k foomatic x86_64 4.0.4-1.el6_1.1 base 251 k foomatic-db noarch 4.0-7.20091126.el6 base 980 k foomatic-db-filesystem noarch 4.0-7.20091126.el6 base 4.4 k foomatic-db-ppds noarch 4.0-7.20091126.el6 base 19 M ghostscript x86_64 8.70-11.el6_2.6 updates 4.4 M ghostscript-fonts noarch 5.50-23.1.el6 base 751 k gstreamer x86_64 0.10.29-1.el6 base 764 k gstreamer-plugins-base x86_64 0.10.29-1.el6 base 942 k gstreamer-tools x86_64 0.10.29-1.el6 base 23 k iso-codes noarch 3.16-2.el6 base 2.4 M lcms-libs x86_64 1.19-1.el6 base 100 k libIDL x86_64 0.8.13-2.1.el6 base 83 k libXScrnSaver x86_64 1.2.0-1.el6 base 19 k libXfont x86_64 1.4.1-2.el6_1 base 128 k libXv x86_64 1.0.5-1.el6 base 21 k libfontenc x86_64 1.0.5-2.el6 base 24 k libgudev1 x86_64 147-2.40.el6 base 59 k libmng x86_64 1.0.10-4.1.el6 base 165 k libogg x86_64 2:1.1.4-2.1.el6 base 21 k liboil x86_64 0.3.16-4.1.el6 base 121 k libtheora x86_64 1:1.1.0-2.el6 base 129 k libvisual x86_64 0.4.0-9.1.el6 base 135 k libvorbis x86_64 1:1.2.3-4.el6_2.1 updates 168 k mailx x86_64 12.4-6.el6 base 234 k man x86_64 1.6f-29.el6 base 263 k mesa-libGLU x86_64 7.11-3.el6 base 201 k nvidia-graphics195.30-libs x86_64 195.30-120.el6 atrpms 13 M openjpeg-libs x86_64 1.3-7.el6 base 59 k pax x86_64 3.4-10.1.el6 base 69 k phonon-backend-gstreamer x86_64 1:4.6.2-20.el6 base 125 k polkit x86_64 0.96-2.el6_0.1 base 158 k poppler x86_64 0.12.4-3.el6_0.1 base 557 k poppler-data noarch 0.4.0-1.el6 base 2.2 M poppler-utils x86_64 0.12.4-3.el6_0.1 base 73 k portreserve x86_64 0.0.4-4.el6_1.1 base 22 k qt x86_64 1:4.6.2-20.el6 base 4.0 M qt-sqlite x86_64 1:4.6.2-20.el6 base 50 k qt-x11 x86_64 1:4.6.2-20.el6 base 12 M qt3 x86_64 3.3.8b-30.el6 base 3.5 M redhat-lsb x86_64 4.0-3.el6.centos base 24 k redhat-lsb-graphics x86_64 4.0-3.el6.centos base 12 k redhat-lsb-printing x86_64 4.0-3.el6.centos base 11 k sgml-common noarch 0.6.3-32.el6 base 43 k time x86_64 1.7-37.1.el6 base 26 k tmpwatch x86_64 2.9.16-4.el6 base 31 k xdg-utils noarch 1.0.2-17.20091016cvs.el6 base 58 k xml-common noarch 0.6.3-32.el6 base 9.5 k xorg-x11-font-utils x86_64 1:7.2-11.el6 base 75 k xz x86_64 4.999.9-0.3.beta.20091007git.el6 base 137 k xz-lzma-compat x86_64 4.999.9-0.3.beta.20091007git.el6 base 16 k Transaction Summary ============================================================================================================================================================================================================================================= Install 62 Package(s) Is it safe to continue and install all that or could I break something already installed?

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• Installing .NET Framework 4 Client Profile breaks Windows Update

  - by Richard

  I have a Samsung NC-10 netbook with a fresh install of Windows 7 Home Premium 32-bit (it only had 2GB). If Microsoft .NET Framework 4 Client Profile is installed on it, Windows Update will always return error code 8024402F ("Windows Update encountered an unknown error"). As soon as I uninstall it, Windows Update works just fine again. Out of the four computers in this house, only this netbook has the problem. My question is: How can I get the .NET Framework 4 Client Profile installed on my netbook and continue to have a functioning Windows Update? ----- More information ----- The hard-drive recently died on my netbook so I replaced it with a nice new SSD and did a fresh installation of Windows 7 Home Premium (SP1) - along with all the updates. At some point I found that, when I ran Windows Update, I was greeted with error code 8024402F ("Windows Update encountered an unknown error"). Looking in C:\Windows\WindowsUpdate.log, I saw the following issue: WARNING: ECP: Failed to validate cab file digest downloaded from http://download.windowsupdate.com/msdownload/update/software/dflt/2012/02/4913552_4a5c9563d1f58c77f30d0d5c9999e4b8bff3ab21.cab with error 0x80091007 WARNING: ECP: This roundtrip contained some optimized updates which failed. New Update count = 0, Old Count = 3 FATAL: ProcessCoreMetadata did not return any update to be committed WARNING: Sync of Updates: 0x8024402f WARNING: SyncServerUpdatesInternal failed: 0x8024402f When I downloaded the CAB from the URL listed and opened it, it contained a file called 4913552.txt. A search on Google suggested that it's related to Microsoft .NET Framework 4 Client Profile. Other people had reported problems with it breaking Windows Update, but they were running Windows XP. I tried the steps outlined on the Microsoft site for this error code, but it reported that there was nothing wrong. I also found this superuser question, I tried all the answers listed but none of them made any difference. My router doesn't block ActiveX, changing my internet settings in IE made no difference, assuming it was a corrupted update repository didn't do anything (except wipe my update history), my date and time was correct, switching to Google's DNS didn't work and neither did disabling IPv6. Figuring that this update was corrupted, I repaired it and nothing changed. In desperation I un-installed it and Windows Update started working again! Brilliant! I then downloaded the full version from the Microsoft website, installed it and, thankfully, Windows Update continued to work just fine. A week later I turn on my netbook and Windows Update is broken again with exactly the same error message and log entries as before. Repairing .NET Framework 4 Client Profile did nothing, removing it entirely solved the problem again. Thinking this might be some odd Windows installation issue, I formatted the hard-drive and re-installed Windows. Same problem as before - as soon as .NET Framework 4 Client Profile ended up on the netbook, Windows Update stopped working and reported error 8024402F. As soon as it was un-installed, everything worked just fine again. There are three other machines in this house and all of them have working Windows Update and this Client Profile. Does anyone know why it causes this netbook to break and, more importantly, how I can fix it?

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• Apache config that uses two document roots based on whether the requested resource exists in the first

  - by mattalexx

  Background I have a client site that consists of a CakePHP installation and a Magento installation: /web/example.com/ /web/example.com/app/ <== CakePHP /web/example.com/app/webroot/ <== DocumentRoot /web/example.com/app/webroot/store/ <== Magento /web/example.com/config/ <== Site-wide config /web/example.com/vendors/ <== Site-wide libraries The server runs Apache 2.2.3. The problem The whole company has FTP access and got used to clogging up the /web/example.com/, /web/example.com/app/webroot/, and /web/example.com/app/webroot/store/ directories with their own files. Sometimes these files need HTTP access and sometimes they don't. In any case, this mess makes my job harder when it comes to maintaining the site. Code merges, tarring the live code, etc, is very complicated and usually requires a bunch of filters. Abandoned solution At first, I thought I would set up a new subdomain on the same server, move all of their files there, and change their FTP chroot. But that wouldn't work for these reasons: Firstly, I have no idea (and neither do they remember) what marketing materials they've sent out that contain URLs to certain resources they've uploaded to the server, using the main domain, and also using abstract subdomains that use the main virtual host because it has ServerAlias *.example.com. So suddenly having them only use static.example.com isn't feasible. Secondly, The PHP scripts in their projects are potentially very non-portable. I want their files to stay in as similar an environment as they were built as I can. Also, I do not want to debug their code to make it portable. Half-baked solution After some thought, I decided to find a way to section off the actual website files into another directory that they would not touch. The company's uploaded files would stay where they were. This would ensure that I didn't break any of their projects that needed HTTP access. It would look something like this: /web/example.com/ <== A bunch of their files are in here /web/example.com/app/webroot/ <== 1st DocumentRoot; A bunch of their files are in here /web/example.com/app/webroot/store/ <== Some more are in here /web/example.com/site/ <== New dir; Contains only site files /web/example.com/site/app/ <== CakePHP /web/example.com/site/app/webroot/ <== 2nd DocumentRoot /web/example.com/site/app/webroot/store/ <== Magento /web/example.com/site/config/ <== Site-wide config /web/example.com/site/vendors/ <== Site-wide libraries After I made this change, I would not need to pay attention to anything except for the stuff within /web/example.com/site/ and my job would be a lot easier. I would be the only one changing stuff in there. So here's where the Apache magic would happen: I need an HTTP request to http://www.example.com/ to first use /web/example.com/app/webroot/ as the document root. If nothing is found (no miscellaneous uploaded company projects are found), try finding something within /web/example.com/site/app/webroot/. Another thing to keep in mind is, the site might have some problems if the $_SERVER['DOCUMENT_ROOT'] variable reads /web/example.com/app/webroot/ but the actual files are within /web/example.com/site/app/webroot/. It would be better if the DOCUMENT_ROOT environment variable could be /web/example.com/site/app/webroot/ for anything within the /web/example.com/site/app/webroot/ directory. Conclusion Is my half-baked solution possible with Apache 2.2.3? Is there a better way to solve this problem?

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• How do I resolve "conflicting accounts" in google apps without breaking links to online photos on picasa?

  - by lee

  I have been using google apps for some time, and only recently learned I have what google calls "conflicting accounts" which is creating a problem I haven't been able to resolve. Turns out that the apps account really only covers email, google docs, and the calendar and not other features like picasa, blogger, youtube etc. and at some point they gave me a non-apps google account with my same (proprietary non-gmail) email address for the additional apps. This is the "conflicting account." I had noticed that I sometimes had to come in through another door when I went back and forth, between docs, picasa, and mail let's say, but never understood why since it was the same username and password and I didn't get any communication about it at the time. Google is now in the process of giving google apps users access to the additional apps and providing instructions for consolidating the two accounts. But if I want to move my picasa site into the new apps structure I have to download my albums and re-synch them. This would be disastrous for me as I have hundreds of photos embedded in my websites, and new web addresses would break all the connections. The alternative seems to be to rename my "personal" (non-apps) accounts as described at http://www.google.com/support/a/bin/answer.py?answer=185186: Users with conflicting Google Accounts can easily resolve their conflicts by renaming their personal Google Accounts, and the data in their personal accounts will remain safe and accessible to them. Here’s how a user can rename their personal Google Account: * Step 1: Visit www.google.com/accounts and sign in with your personal Google Account * Step 2: Click ‘Change email’ under ‘Personal Settings’ * Step 3: Enter a different email address where you can receive mail, enter your password, and click ‘Save email address’ * Step 4: Check your other email If your users don’t have different email addresses where they can receive mail, they can resolve the conflict by renaming their personal Google Accounts to @gmail.com addresses instead. Sounds easy enough, right? I gave them a gmail address. The wizard said "sorry you can't use a gmail account for this" --which contradicts the last paragraph above but ok, I switched to a new email address I just created for one of my domains. I can send email back and forth between this account and my google apps account with no problem. But when I try to use it as a replacement on the "personal" side I always get "The password you gave is incorrect." I have tried it over and over and know the password is correct. Since I like to get all my emails though one web interface I initially had the new email set up as an add-on to my google apps email account, but noting that the instructions said the "personal account" email could not be associated with any other gmail account I took it off and went back to accessing it via horde so there would be no conflict there, which seemed to make no difference. I can't figure out why it won't accept the password. Does anyone have any thoughts about that? or suggestions for another way to resolve my picasa problem? any help at all is greatly appreciated. Lee

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• Configuring nginx server to handle requests from multiple domains

  - by KillABug

  Use Case:- I am working on a web application which allows to create HTML templates and publish them on amazon S3.Now to publish the websites I use nginx as a proxy server. What the proxy server does is,when a user enters the website URL,I want to identify how to check if the request comes from my application i.e app.mysite.com(This won't change) and route it to apache for regular access,if its coming from some other domain like a regular URL www.mysite.com(This needs to be handled dynamically.Can be random) it goes to the S3 bucket that hosts the template. My current configuration is: user nginx; worker_processes 1; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log /var/log/nginx/access.log main; charset utf-8; keepalive_timeout 65; server_tokens off; sendfile on; tcp_nopush on; tcp_nodelay off; Default Server Block to catch undefined host names server { listen 80; server_name app.mysite.com; access_log off; error_log off; location / { proxy_pass http://127.0.0.1:8080; proxy_set_header X-Real-IP $remote_addr; proxy_set_header Host $host; proxy_redirect off; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; client_max_body_size 10m; client_body_buffer_size 128k; proxy_buffer_size 4k; proxy_buffers 4 32k; proxy_busy_buffers_size 64k; } } } Load all the sites include /etc/nginx/conf.d/*.conf; Updates as I was not clear enough :- My question is how can I handle both the domains in the config file.My nginx is a proxy server on port 80 on an EC2 instance.This also hosts my application that runs on apache on a differnet port.So any request coming for my application will come from a domain app.mysite.com and I also want to proxy the hosted templates on S3 which are inside a bucket say sites.mysite.com/coolsite.com/index.html.So if someone hits coolsite.com I want to proxy it to the folder sites.mysite.com/coolsite.com/index.html and not to app.syartee.com.Hope I am clear The other server block: # Server for S3 server { # Listen on port 80 for all IPs associated with your machine listen 80; # Catch all other server names server_name _; //I want it to handle other domains then app.mysite.com # This code gets the host without www. in front and places it inside # the $host_without_www variable # If someone requests www.coolsite.com, then $host_without_www will have the value coolsite.com set $host_without_www $host; if ($host ~* www\.(.*)) { set $host_without_www $1; } location / { # This code rewrites the original request, and adds the host without www in front # E.g. if someone requests # /directory/file.ext?param=value # from the coolsite.com site the request is rewritten to # /coolsite.com/directory/file.ext?param=value set $foo 'http://sites.mysite.com'; # echo "$foo"; rewrite ^(.*)$ $foo/$host_without_www$1 break; # The rewritten request is passed to S3 proxy_pass http://sites.mysite.com; include /etc/nginx/proxy_params; } } Also I understand I will have to make the DNS changes in the cname of the domain.I guess I will have to add app.mysite.com under the CNAME of the template domain name?Please correct if wrong. Thank you for your time

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• How to make XAMPP virtual hosts accessible to VM's and other computers on LAN?

  - by martin's

  XAMPP running on Vista 64 Ultimate dev machine (don't think it matters). Machine / Browser configuration Safari, Firefox, Chrome and IE9 on dev machine IE7 and IE8 on separate XP Pro VM's (VMWare on dev machine) IE10 and Chrome on Windows 8 VM (VMware on dev machine) Safari, Firefox and Chrome running on a iMac (same network as dev) Safari, Firefox and Chrome running on a couple of Mac Pro's (same network as dev) IE7, IE8, IE9 running on other PC's on the same network as dev machine Development Configuration Multiple virtual hosts for different projects .local fake TLD for development No firewall restrictions on dev machine for Apache Some sites have .htaccess mapping www to non-www Port 80 is open in the dev machine's firewall Problem XAMPP local home page (http://192.168.1.98/xampp/) can be accessed from everywhere, real or virtual, by IP All .local sites can be accessed from the browsers on the dev machine. All .local sites can be accessed form the browsers in the XP VM's. Some .local sites cannot be accessed from IE10 or Chrome on the W8 VM Sites that cannot be accessed from W8 VM have a minimal .htaccess file No .local sites can be accessed from ANY machine (PC or Mac) on the LAN hosts on dev machine (relevant excerpt) 127.0.0.1 site1.local 127.0.0.1 site2.local 127.0.0.1 site3.local 127.0.0.1 site4.local 127.0.0.1 site5.local 127.0.0.1 site6.local 127.0.0.1 site7.local 127.0.0.1 site8.local 127.0.0.1 site9.local 192.168.1.98 site1.local 192.168.1.98 site2.local 192.168.1.98 site3.local 192.168.1.98 site4.local 192.168.1.98 site5.local 192.168.1.98 site6.local 192.168.1.98 site7.local 192.168.1.98 site8.local 192.168.1.98 site9.local httpd-vhosts.conf on dev machine (relevant excerpt) NameVirtualHost *:80 <VirtualHost *:80> ServerName localhost ServerAlias localhost *.localhost.* DocumentRoot D:/xampp/htdocs </VirtualHost> # ======================================== site1.local <VirtualHost *:80> ServerName site1.local ServerAlias site1.local *.site1.local DocumentRoot D:/xampp-sites/site1/public_html ErrorLog D:/xampp-sites/site1/logs/access.log CustomLog D:/xampp-sites/site1/logs/error.log combined <Directory D:/xampp-sites/site1> Options Indexes FollowSymLinks AllowOverride All Require all granted </Directory> </VirtualHost> NOTE: The above <VirtualHost *:80> block is repeated for each of the nine virtual hosts in the file, no sense in posting it here. hosts on all VM's and physical machines on the network (relevant excerpt) 127.0.0.1 localhost ::1 localhost 192.168.1.98 site1.local 192.168.1.98 site2.local 192.168.1.98 site3.local 192.168.1.98 site4.local 192.168.1.98 site5.local 192.168.1.98 site6.local 192.168.1.98 site7.local 192.168.1.98 site8.local 192.168.1.98 site9.local None of the VM's have any firewall blocks on http traffic. They can reach any site on the real Internet. The same is true of the real machines on the network. The biggest puzzle perhaps is that the W8 VM actually DOES reach some of the virtual hosts. It does NOT reach site2, site6 and site 9, all of which have this minimal .htaccess file. .htaccess file <IfModule mod_rewrite.c> RewriteEngine On RewriteCond %{HTTP_HOST} !^www\. RewriteRule ^(.*)$ http://www.%{HTTP_HOST}/$1 [R=301,L] </IfModule> Adding this file to any of the virtual hosts that do work on the W8 VM will break the site (only for W8 VM, not the XP VM's) and require a cache flush on the W8 VM before it will see the site again after deleting the file. Regardless of whether a .htaccess file exists or not, no machine on the same LAN can access anything other than the XAMPP home page via IP. Even with hosts files on all machines. I can ping any virtual host from any machine on the network and get a response from the correct IP address. I can't see anything in out Netgear router that might prevent one machine from reaching the other. Besides, once the local hosts file resolves to an ip address that's all that goes out onto the local network. I've gone through an extensive number of posts on both SO and as the result of Google searches. I can't say that I have found anything definitive anywhere.

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• What networking hardware do I need in this situation (Fairpoint [ISP] "E-DIA" connection)?

  - by Tegeril

  Right away you'd probably want to say, "Well just ask Fairpoint." I've done that, a number of times in as many different ways I can phrase it and just keep hitting a brick wall where they will not commit to giving any useful information and instead recommend contracting an outside firm and spending a pile of money. Anyway... I'm trying to help a family member out with an office connection that is being setup. I've managed to scrape tiny details here and there from our discussions with the ISP (Fairpoint in Maine) about what is going to be done and what is going to be needed. This is the connection that is being setup: http://www.fairpoint.com/enterprise/vantagepoint/e-dia/index.jsp Information I have been given: Via this connection I can get IPs across different C blocks if that were necessary (it is not) Fairpoint is bringing hardware with them that they claim simply does the conversion from whatever line is coming in the building to ethernet, they have referred to this as the "Fairpoint Netvanta" which I know suggests a line of products that I have looked up, but some (most? all?) of those seems to handle all the routing that I saw. Fairpoint says that I need to bring my own router to sit behind their device. They have literally declined to even suggest products that have worked for other clients in the past and fall back on "any business router works, not a home router." That alone makes my head spin. Detail and clarity hit a brick wall from there. At one moment I got them to cough up that the router I provide needs to be able to do VPN tunneling but they typically fall back to "not a home router" and I was even given "just a business router, Cisco or something, it'll be $500-$1000". Now I know that VPN tunneling routers exist well below that price point and since this connection is going to one machine, possibly two only via ethernet, my desire to purchase networking hardware that over-delivers what I need is not very high. They are literally setting all this up, have provided no configuration details for after they finish, and expect me to just plunk a $500+ router behind it and cross my fingers or contract out to a third party company. If there were other options available for the location, I would have dropped them in a second, but there aren't. The device that is connected requires a static IP and I'm honestly a bit hazy on the necessity of an additional router behind their device and generally a bit over my head. I presume that the router needs to be able to serve external static IPs to its clients, but I really don't know what is going to show up when they come to do the install. This was originally going to be run via an ADSL bridge modem with a range of static IPs (which is easy and is currently setup properly) but the location is too far from the telco to get speeds that we really want for upload and this is also a connection that needs high availability. Any suggestions would be greatly appreciated (I see a number of options in the Cisco Small Business line and other competitors that aren't going to break the bank…), especially if you've worked with Fairpoint before! Thanks for reading my wall of text.

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• Attempting to update multiple partial views from a single Ajax.ActionLink

  - by mwright

  I have a a partial view which contains other partial views. I am trying to the main partial view ( "MainPartialView" ) from an Ajax.ActionLink in a partial view contained by the main partial view ( "DetailsView" ). Everything appears to be called just fine and I can step through and it executes all of the code on the pages. However, after that is all done it throws this error in a popup box in visual studio: htmlfile: Unknown runtime error This error puts the break point in the MicrosoftAjax.js file, Line 5, Col 83,632, Ch 83632. Any thoughts? Index Page: <script src="../../Scripts/MicrosoftAjax.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcAjax.js" type="text/javascript"></script> <ul> <% foreach (DomainObject domainObject in Model) { %> <% Html.RenderPartial("MainPartialView", domainObject); %> <% } %> </ul> MainPartialView: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<DomainObject>" %> <li> <div id="<%= Model.Id%>"> <%= Ajax.ActionLink("Details", "PartialViewAction", "PartialViewController", new { id = Model.Id, }, new AjaxOptions { UpdateTargetId ="UpdateTargetId" })%> <% Html.RenderPartial("Details", Model); %> <div id="Details"></div> </div> </li> Details: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<DomainObject>" %> <% foreach ( var link in Model.Links) {%> <div> <div> <%= link.Name %> </div> <div> <%= Ajax.ActionLink("Submit this Action", "DoAction", "XTrademark", new { id = Model.TrademarkId, id2 = actionStateLink.ActionStateLinkId }, new AjaxOptions{ UpdateTargetId = Model.TrademarkId.ToString()} )%> </div> </div> <br /> <%} %>

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• MSDTC - Communication with the underlying transaction manager has failed (Firewall open, MSDTC netwo

  - by SocialAddict

  I'm having problems with my ASP.NET web forms system. It worked on our test server but now we are putting it live one of the servers is within a DMZ and the SQL server is outside of that (on our network still though - although a different subnet) I have open up the firewall completely between these two boxes to see if that was the issue and it still gives the error message "Communication with the underlying transaction manager has failed" whenever we try and use the "TransactionScope". We can access the data for retrieval it's just transactions that break it. We have also used msdtc ping to test the connection and with the amendments on the firewall that pings successfully, but the same error occurs! How do i resolve this error? Any help would be great as we have a system to go live today. Panic :) Edit: I have created a more straightforward test page with a transaction as below and this works fine. Could a nested transaction cause this kind of error and if so why would this only cause an issue when using a live box in a dmz with a firewall? AuditRepository auditRepository = new AuditRepository(); try { using (TransactionScope scope = new TransactionScope()) { auditRepository.Add(DateTime.Now, 1, "TEST-TRANSACTIONS#1", 1); auditRepository.Save(); auditRepository.Add(DateTime.Now, 1, "TEST-TRANSACTIONS#2", 1); auditRepository.Save(); scope.Complete(); } } catch (Exception ex) { Response.Write("Test Error For Transaction: " + ex.Message + "<br />" + ex.StackTrace); } This is the ErrorStack we are getting when the problem occurs: at System.Transactions.TransactionInterop.GetOletxTransactionFromTransmitterPropigationToken(Byte[] propagationToken) at System.Transactions.TransactionStatePSPEOperation.PSPEPromote(InternalTransaction tx) at System.Transactions.TransactionStateDelegatedBase.EnterState(InternalTransaction tx) at System.Transactions.EnlistableStates.Promote(InternalTransaction tx) at System.Transactions.Transaction.Promote() at System.Transactions.TransactionInterop.ConvertToOletxTransaction(Transaction transaction) at System.Transactions.TransactionInterop.GetExportCookie(Transaction transaction, Byte[] whereabouts) at System.Data.SqlClient.SqlInternalConnection.GetTransactionCookie(Transaction transaction, Byte[] whereAbouts) at System.Data.SqlClient.SqlInternalConnection.EnlistNonNull(Transaction tx) at System.Data.SqlClient.SqlInternalConnection.Enlist(Transaction tx) at System.Data.SqlClient.SqlInternalConnectionTds.Activate(Transaction transaction) at System.Data.ProviderBase.DbConnectionInternal.ActivateConnection(Transaction transaction) at System.Data.ProviderBase.DbConnectionPool.GetConnection(DbConnection owningObject) at System.Data.ProviderBase.DbConnectionFactory.GetConnection(DbConnection owningConnection) at System.Data.ProviderBase.DbConnectionClosed.OpenConnection(DbConnection outerConnection, DbConnectionFactory connectionFactory) at System.Data.SqlClient.SqlConnection.Open() at System.Data.Linq.SqlClient.SqlConnectionManager.UseConnection(IConnectionUser user) at System.Data.Linq.SqlClient.SqlProvider.get_IsSqlCe() at System.Data.Linq.SqlClient.SqlProvider.InitializeProviderMode() at System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) at System.Data.Linq.ChangeDirector.StandardChangeDirector.DynamicInsert(TrackedObject item) at System.Data.Linq.ChangeDirector.StandardChangeDirector.Insert(TrackedObject item) at System.Data.Linq.ChangeProcessor.SubmitChanges(ConflictMode failureMode) at System.Data.Linq.DataContext.SubmitChanges(ConflictMode failureMode) at System.Data.Linq.DataContext.SubmitChanges() at RegBook.classes.DbBase.Save() at RegBook.usercontrols.BookingProcess.confirmBookingButton_Click(Object sender, EventArgs e)

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• CheckBox Command Behaviors for Silverlight MVVM Pattern

  - by Blake Blackwell

  I am trying to detect when an item is checked, and which item is checked in a ListBox using Silverlight 4 and the Prism framework. I found this example on creating behaviors, and tried to follow it but nothing is happening in the debugger. I have three questions: Why isn't my command executing? How do I determine which item was checked (i.e. pass a command parameter)? How do I debug this? (i.e. where can I put break points to begin stepping into this) Here is my code: View: <ListBox x:Name="MyListBox" ItemsSource="{Binding PanelItems, Mode=TwoWay}"> <ListBox.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <CheckBox IsChecked="{Binding Enabled}" my:Checked.Command="{Binding Check}" /> <TextBlock x:Name="DisplayName" Text="{Binding DisplayName}"/> </StackPanel> </DataTemplate> </ListBox.ItemTemplate> </ListBox> ViewModel: public MainPageViewModel() { _panelItems.Add( new PanelItem { Enabled = true, DisplayName = "Test1" } ); Check = new DelegateCommand<object>( itemChecked ); } public void itemChecked( object o ) { //do some stuff } public DelegateCommand<object> Check { get; set; } Behavior Class public class CheckedBehavior : CommandBehaviorBase<CheckBox> { public CheckedBehavior( CheckBox element ) : base( element ) { element.Checked +=new RoutedEventHandler(element_Checked); } void element_Checked( object sender, RoutedEventArgs e ) { base.ExecuteCommand(); } } Command Class public static class Checked { public static ICommand GetCommand( DependencyObject obj ) { return (ICommand) obj.GetValue( CommandProperty ); } public static void SetCommand( DependencyObject obj, ICommand value ) { obj.SetValue( CommandProperty, value ); } public static readonly DependencyProperty CommandProperty = DependencyProperty.RegisterAttached( "Command", typeof( CheckBox ), typeof( Checked ), new PropertyMetadata( OnSetCommandCallback ) ); public static readonly DependencyProperty CheckedCommandBehaviorProperty = DependencyProperty.RegisterAttached( "CheckedCommandBehavior", typeof( CheckedBehavior ), typeof( Checked ), null ); private static void OnSetCommandCallback( DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e ) { CheckBox element = dependencyObject as CheckBox; if( element != null ) { CheckedBehavior behavior = GetOrCreateBehavior( element ); behavior.Command = e.NewValue as ICommand; } } private static CheckedBehavior GetOrCreateBehavior( CheckBox element ) { CheckedBehavior behavior = element.GetValue( CheckedCommandBehaviorProperty ) as CheckedBehavior; if( behavior == null ) { behavior = new CheckedBehavior( element ); element.SetValue( CheckedCommandBehaviorProperty, behavior ); } return behavior; } public static CheckedBehavior GetCheckCommandBehavior( DependencyObject obj ) { return (CheckedBehavior) obj.GetValue( CheckedCommandBehaviorProperty ); } public static void SetCheckCommandBehavior( DependencyObject obj, CheckedBehavior value ) { obj.SetValue( CheckedCommandBehaviorProperty, value ); } } I used this article to get me started, but I'll readily admit this is over my head.

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• Attempting to update partial view using Ajax.ActionLink gives error in MicrosoftAjax.js

  - by mwright

  I am trying to update the partial view ( "OnlyPartialView" ) from an Ajax.ActionLink which is in the same partial view. While executing the foreach loop it throws this error in a popup box in visual studio: htmlfile: Unknown runtime error This error puts the break point in the MicrosoftAjax.js file, Line 5, Col 83,632, Ch 83632. The page is not updated appropriately. Any thoughts or ideas on how I could troubleshoot this? It was previously nested partial views, I've simplified it for this example but this code produces the same error. Is there a better way to do what I am trying to do? Index Page: <script src="../../Scripts/MicrosoftAjax.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcAjax.js" type="text/javascript"></script> <ul> <% foreach (DomainObject domainObject in Model) { %> <% Html.RenderPartial("OnlyPartialView", domainObject); %> <% } %> </ul> OnlyPartialView: <%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<ProjectName.Models.DomainObject>" %> <%@ Import Namespace="ProjectName.Models"%> <li> <div id="<%=Model.Id%>"> //DISPLAY ATTRIBUTES </div> <div id="<%= Model.Id %>ActionStateLinks"> <% foreach ( var actionStateLink in Model.States[0].State.ActionStateLinks) {%> <div id="Div1"> <div> <%= actionStateLink.Action.Name %> </div> <div> <%= Ajax.ActionLink("Submit this Action", "DoAction", "ViewController", new { id = Model.Id, id2 = actionStateLink.ActionStateLinkId }, new AjaxOptions{ UpdateTargetId = Model.Id.ToString()} )%> </div> </div> <br /> <%} %> </div> </li> Controller: public ActionResult DoAction(Guid id, Guid id2) { DomainObject domainObject = _repository.GetDomainObject(id); ActionStateLink actionStateLink = _repository.GetActionStateLink(id2); domainObject.States[0].StateId = actionStateLink.FollowingStateId; repository.AddDomainObjectAction(domainObject, actionStateLink, DateTime.Now); _repository.Save(); return PartialView("OnlyPartialView", _repository.GetDomainObject(id)); }

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• iPhone / Objective-C: NSMutableArray writeToFile won't write to file. Always returns NO

  - by Joel

  I'm trying to serialize two NSMutableArrays of NSObjects that implement the NSCoding protocol. However it works for one (stacks) and not the other (cards). I have the following block of code: -(void) saveCards { NSArray* paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString* documentsDirectory = [paths objectAtIndex:0]; NSString* cardsFile = [documentsDirectory stringByAppendingPathComponent:@"cards.state"]; NSString* stacksFile = [documentsDirectory stringByAppendingPathComponent:@"stacks.state"]; BOOL c = [rootStack.cards writeToFile:cardsFile atomically:YES]; BOOL s = [rootStack.stacks writeToFile:stacksFile atomically:YES]; } I step through this method using the debugger, and after the last two lines of code run, I check the values of the two BOOLs. BOOL c is NO and BOOL s is YES. The stacks array is actually empty (which is probably why it works). The cards array has contents. Why is it that the array with contents is failing? I can't figure this out. I've looked through numerous threads on SOF, each of them say the problem is because the protection level of the files they were writing were preventing them from writing. This is not my problem, as I'm writing to the Documents folder. I've double and tripple checked that neither rootStack.cards nor rootStack.stacks is nil. And I've checked that cards does indeed have content. Here are the coder methods for my Notecard class (I added all the if statments as part of trying to solve this problem to make sure trying to encode nil values doesn't break something): -(void) encodeWithCoder:(NSCoder *)encoder { if(text) [encoder encodeObject:text forKey:@"text"]; if(backText) [encoder encodeObject:backText forKey:@"backText"]; if(x) [encoder encodeObject:x forKey:@"x"]; if(y) [encoder encodeObject:y forKey:@"y"]; if(width) [encoder encodeObject:width forKey:@"width"]; if(height) [encoder encodeObject:height forKey:@"height"]; if(timeCreated) [encoder encodeObject:timeCreated forKey:@"timeCreated"]; if(audioManagerTicket) [encoder encodeObject:audioManagerTicket forKey:@"audioManagerTicket"]; if(backgroundColor) [encoder encodeObject:backgroundColor forKey:@"backgroundColor"]; } -(id) initWithCoder:(NSCoder *)decoder { self = [super init]; if(!self) return nil; self.text = [decoder decodeObjectForKey:@"text"]; self.backText = [decoder decodeObjectForKey:@"backText"]; self.x = [decoder decodeObjectForKey:@"x"]; self.y = [decoder decodeObjectForKey:@"y"]; self.width = [decoder decodeObjectForKey:@"width"]; self.height = [decoder decodeObjectForKey:@"height"]; self.timeCreated = [decoder decodeObjectForKey:@"timeCreated"]; self.audioManagerTicket = [decoder decodeObjectForKey:@"audioManagerTicket"]; self.backgroundColor = [decoder decodeObjectForKey:@"backgroundColor"]; return self; } each field is either an NSString, NSNumber, or UIColor. Thanks for any help

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• [R] Merge multiple data frames - Error in match.names(clabs, names(xi)) : names do not match previou

  - by Jasmine

  Hi all- I'm getting some really bizarre stuff while trying to merge multiple data frames. Help! I need to merge a bunch of data frames by the columns 'RID' and 'VISCODE'. Here is an example of what it looks like: d1 = data.frame(ID = sample(9, 1:100), RID = c(2, 5, 7, 9, 12), VISCODE = rep('bl', 5), value1 = rep(16, 5)) d2 = data.frame(ID = sample(9, 1:100), RID = c(2, 2, 2, 5, 5, 5, 7, 7, 7), VISCODE = rep(c('bl', 'm06', 'm12'), 3), value2 = rep(100, 9)) d3 = data.frame(ID = sample(9, 1:100), RID = c(2, 2, 2, 5, 5, 5, 9,9,9), VISCODE = rep(c('bl', 'm06', 'm12'), 3), value3 = rep("a", 9), values3.5 = rep("c", 9)) d4 = data.frame(ID =sample(8, 1:100), RID = c(2, 2, 5, 5, 5, 7, 7, 7, 9), VISCODE = c(c('bl', 'm12'), rep(c('bl', 'm06', 'm12'), 2), 'bl'), value4 = rep("b", 9)) dataList = list(d1, d2, d3, d4) I looked at the answers to the question titled "Merge several data.frames into one data.frame with a loop." I used the reduce method suggested there as well as a loop I wrote: try1 = mymerge(dataList) try2 <- Reduce(function(x, y) merge(x, y, all= TRUE, by=c("RID", "VISCODE")), dataList, accumulate=F) where dataList is a list of data frames and mymerge is: mymerge = function(dataList){ L = length(dataList) mdat = dataList[[1]] for(i in 2:L){ mdat = merge(mdat, dataList[[i]], by.x = c("RID", "VISCODE"), by.y = c("RID", "VISCODE"), all = TRUE) } mdat } For my test data and subsets of my real data, both of these work fine and produce exactly the same results. However, when I use larger subsets of my data, they both break down and give me the following error: Error in match.names(clabs, names(xi)) : names do not match previous names. The really weird thing is that using this works: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], faq[1:47, ]) And using this fails: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], faq[1:48, ]) As far as I can tell, there is nothing special about row 48 of faq. Likewise, using this works: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], pdx[1:47, ]) And using this fails: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], pdx[1:48, ]) Row 48 in faq and row 48 in pdx have the same values for RID and VISCODE, the same value for EXAMDATE (something I'm not matching on) and different values for ID (another thing I'm not matching on). Besides the matching RID and VISCODE, I see anything special about them. They don't share any other variable names. This same scenario occurs elsewhere in the data without problems. To add icing on the complication cake, this doesn't even work: dataList = list(demog[1:50,], neurobat[1:50,], apoe[1:50,], mmse[1:50,], faq[1:48, 2:3]) where columns 2 and 3 are "RID" and "VISCODE". 48 isn't even the magic number because this works: dataList = list(demog[1:500,], neurobat[1:500,], apoe[1:500,], mmse[1:457,]) while using mmse[1:458, ] fails. I can't seem to come up with test data that causes the problem. Has anyone had this problem before? Any better ideas on how to merge? Thanks for your help! Jasmine

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• How to solve this error that is shown on Windbg?

  - by aF

  Hello, I've loaded a .exe and it gave this error: Microsoft (R) Windows Debugger Version 6.12.0002.633 X86 Copyright (c) Microsoft Corporation. All rights reserved. CommandLine: "C:\Users\Public\SoundLog\Code\Código Python\SoundLog\dist\SoundLog.exe" Symbol search path is: *** Invalid *** **************************************************************************** * Symbol loading may be unreliable without a symbol search path. * * Use .symfix to have the debugger choose a symbol path. * * After setting your symbol path, use .reload to refresh symbol locations. * **************************************************************************** Executable search path is: ModLoad: 00400000 0061c000 image00400000 ModLoad: 771a0000 772dc000 ntdll.dll ModLoad: 76e10000 76ee4000 C:\Windows\system32\kernel32.dll ModLoad: 75460000 754aa000 C:\Windows\system32\KERNELBASE.dll ModLoad: 76550000 76619000 C:\Windows\system32\USER32.dll ModLoad: 76b30000 76b7e000 C:\Windows\system32\GDI32.dll ModLoad: 77310000 7731a000 C:\Windows\system32\LPK.dll ModLoad: 76ef0000 76f8d000 C:\Windows\system32\USP10.dll ModLoad: 75650000 756fc000 C:\Windows\system32\msvcrt.dll ModLoad: 65ee0000 65f83000 C:\Windows\WinSxS\x86_microsoft.vc90.crt_1fc8b3b9a1e18e3b_9.0.30729.4926_none_508ed732bcbc0e5a\MSVCR90.dll (c8.704): Break instruction exception - code 80000003 (first chance) eax=00000000 ebx=00000000 ecx=0012fb0c edx=771e64f4 esi=fffffffe edi=00000000 eip=7723e60e esp=0012fb28 ebp=0012fb54 iopl=0 nv up ei pl zr na pe nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000246 *** ERROR: Symbol file could not be found. Defaulted to export symbols for ntdll.dll - ntdll!LdrVerifyImageMatchesChecksum+0x633: 7723e60e cc int 3 0:000> g Then I pressed F5 and while executing the program gave me this error (this one is what I need to solve): ModLoad: 6f980000 6ff11000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorwks.dll ModLoad: 6f8e0000 6f97b000 C:\Windows\WinSxS\x86_microsoft.vc80.crt_1fc8b3b9a1e18e3b_8.0.50727.4927_none_d08a205e442db5b5\MSVCR80.dll ModLoad: 752f0000 752fb000 C:\Windows\system32\profapi.dll ModLoad: 6e670000 6f168000 C:\Windows\assembly\NativeImages_v2.0.50727_32\mscorlib\8c1770d45c63cf5c462eeb945ef9aa5d\mscorlib.ni.dll ModLoad: 03d90000 03dac000 SoundLogC++WrapperDLL.dll ModLoad: 03db0000 03dcc000 SoundLogC++WrapperDLL.dll ModLoad: 6afa0000 6affb000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\mscorjit.dll ModLoad: 04dd0000 04e13000 msvcm90.dll ModLoad: 04e20000 04e63000 msvcm90.dll ModLoad: 76aa0000 76b23000 C:\Windows\system32\CLBCatQ.DLL ModLoad: 75280000 752df000 C:\Windows\system32\sxs.dll ModLoad: 60340000 60348000 C:\Windows\Microsoft.NET\Framework\v2.0.50727\culture.dll (b78.9c8): C++ EH exception - code e06d7363 (first chance) (b78.9c8): C++ EH exception - code e06d7363 (first chance) (b78.9c8): C++ EH exception - code e06d7363 (first chance) (b78.9c8): C++ EH exception - code e06d7363 (first chance) (b78.9c8): C++ EH exception - code e06d7363 (first chance) (b78.9c8): CLR exception - code e0434f4d (first chance) (b78.9c8): CLR exception - code e0434f4d (first chance) (b78.9c8): C++ EH exception - code e06d7363 (first chance) (b78.9c8): C++ EH exception - code e06d7363 (first chance) (b78.9c8): CLR exception - code e0434f4d (!!! second chance !!!) eax=0012e2a4 ebx=e0434f4d ecx=00000001 edx=00000000 esi=0012e32c edi=002bada0 eip=75469617 esp=0012e2a4 ebp=0012e2f4 iopl=0 nv up ei pl nz ac po nc cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000212 *** ERROR: Symbol file could not be found. Defaulted to export symbols for C:\Windows\system32\KERNELBASE.dll - KERNELBASE!RaiseException+0x54: 75469617 c9 leave Can anyone tell me what is this and how can I solve it?

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• qT quncompress gzip data

  - by talei

  Hello, I stumble upon a problem, and can't find a solution. So what I want to do is uncompress data in qt, using qUncompress(QByteArray), send from www in gzip format. I used wireshark to determine that this is valid gzip stream, also tested with zip/rar and both can uncompress it. Code so far, is like this: static const char dat[40] = { 0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xaa, 0x2e, 0x2e, 0x49, 0x2c, 0x29, 0x2d, 0xb6, 0x4a, 0x4b, 0xcc, 0x29, 0x4e, 0xad, 0x05, 0x00, 0x00, 0x00, 0xff, 0xff, 0x03, 0x00, 0x2a, 0x63, 0x18, 0xc5, 0x0e, 0x00, 0x00, 0x00 }; //this data contains string: {status:false}, in gzip format QByteArray data; data.append( dat, sizeof(dat) ); unsigned int size = 14; //expected uncompresed size, reconstruct it BigEndianes //prepand expected uncompressed size, last 4 byte in dat 0x0e = 14 QByteArray dataPlusSize; dataPlusSize.append( (unsigned int)((size >> 24) & 0xFF)); dataPlusSize.append( (unsigned int)((size >> 16) & 0xFF)); dataPlusSize.append( (unsigned int)((size >> 8) & 0xFF)); dataPlusSize.append( (unsigned int)((size >> 0) & 0xFF)); QByteArray uncomp = qUncompress( dataPlusSize ); qDebug() << uncomp; And uncompression fails with: qUncompress: Z_DATA_ERROR: Input data is corrupted. AFAIK gzip consist of 10 byte header, DEFLATE peyload, 12 byte trailer ( 8 byte CRC32 + 4 byte ISIZE - uncompresed data size ). Striping header and trailer should leave me with DEFLATE data stream, qUncompress yields same error. I checked with data string compressed in PHP, like this: $stringData = gzcompress( "{status:false}", 1); and qUncompress uncompress that data.(I didn't see and gzip header though i.e. ID1 = 0x1f, ID2 = 0x8b ) I checked above code with debug, and error occurs at: if ( #endif ((BITS(8) << 8) + (hold >> 8)) % 31) { //here is error, WHY? long unsigned int hold = 35615 strm->msg = (char *)"incorrect header check"; state->mode = BAD; break; } inflate.c line 610. I know that qUncompress is simply a wrapper to zlib, so I suppose it should handle gzip without any problem. Any comments are more then welcome. Best regards

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• Asp.net MVC2 Custom jquery validation: client -side

  - by Lullaby

  Hi. I want to create a validation rule for 2 date-pickers (startDate less then endDate). I create a validation attribute: [AttributeUsage(AttributeTargets.Class, AllowMultiple = true, Inherited = true)] public sealed class DateCompareAttribute : ValidationAttribute { private const string _defaultErrorMessage = "'{0}' is less then '{1}'."; public DateCompareAttribute(string startDateProperty, string endDateProperty) : base(_defaultErrorMessage) { StartDateProperty = startDateProperty; EndDateProperty = endDateProperty; } public string StartDateProperty { get; private set; } public string EndDateProperty { get; private set; } public override string FormatErrorMessage(string name) { return String.Format(CultureInfo.CurrentUICulture, ErrorMessageString, StartDateProperty, EndDateProperty); } public override bool IsValid(object value) { PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(value); object startValue = properties.Find(StartDateProperty, true).GetValue(value); object endValue = properties.Find(EndDateProperty, true).GetValue(value); if (startValue.GetType() == typeof(DateTime?) && endValue.GetType() == typeof(DateTime?)) { var start = ((DateTime?)startValue); var end = ((DateTime?)endValue); return (start.Value < end.Value); } return false; } } and added ti to my Dto: [DateCompare("StartDate", "EndDate")] public class QualificationInput{...} I created a validator: public class DateCompareValidator : DataAnnotationsModelValidator { string startField; private string endField; string _message; public DateCompareValidator(ModelMetadata metadata, ControllerContext context , DateCompareAttribute attribute) : base(metadata, context, attribute) { startField = attribute.StartDateProperty; endField = attribute.EndDateProperty; _message = attribute.ErrorMessage; } public override IEnumerable<ModelClientValidationRule> GetClientValidationRules() { var rule = new ModelClientValidationRule { ErrorMessage = _message, ValidationType = "dateCompare" }; rule.ValidationParameters.Add("startField", startField); rule.ValidationParameters.Add("endField", endField); return new[] { rule }; } } And registered it in Global.asax.cs in Application_Start(): DataAnnotationsModelValidatorProvider .RegisterAdapter(typeof(DateCompareAttribute), typeof(DateCompareValidator)); In MicrosoftMvcJQueryValidation.js I have made this changes: switch (thisRule.ValidationType) { ..... case "dateCompare": __MVC_ApplyValidator_DateCompare(rulesObj, thisRule.ValidationParameters["startField"], thisRule.ValidationParameters["endField"]); break; ..... } .... function __MVC_ApplyValidator_DateCompare(object, startField, endField) { object["startField"] = startField; object["endField"] = endField; } jQuery.validator.addMethod("dateCompare", function(value, element, params) { if ($('#' + params["startField"]).val() < $('#' + params["endField"]).val()) { return true; } return false; }, jQuery.format("Error")); But it doesn't work :( no client side validation on this type of rule (the others type like required works fine) What I'm doing wrong?

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• Very simple application fails with "multiple target patterns" from Eclipse

  - by Paul Lammertsma

  Since I'm more comfortable using Eclipse, I thought I'd try converting my project from Visual Studio. Yesterday I tried a very simple little test. No matter what I try, make fails with "multiple target patterns". (This is similar to this unanswered question.) I have three files: Application.cpp: using namespace std; #include "Window.h" int main() { Window *win = new Window(); delete &win; return 0; } Window.h: #ifndef WINDOW_H_ #define WINDOW_H_ class Window { public: Window(); ~Window(); }; #endif Window.cpp: #include <cv.h> #include <highgui.h> #include "Window.h" const char* WINDOW_NAME = "MyApp"; Window::Window() { cvNamedWindow(WINDOW_NAME, CV_WINDOW_AUTOSIZE); cvResizeWindow(WINDOW_NAME, 200, 200); cvMoveWindow(WINDOW_NAME, 0, 0); int key = 0; while (true) { key = cvWaitKey(0); if (key==27 || cvGetWindowHandle(WINDOW_NAME)==0) { break; } } } Window::~Window() { cvDestroyWindow(WINDOW_NAME); } I have added the following paths to the compiler include path (-I): "$(OPENCV)/cv/include" "$(OPENCV)/cxcore/include" "$(OPENCV)/otherlibs/highgui" I have added the following libraries to the linker (-l): cv cxcore highgui And the following library search path (-L): "$(OPENCV)/lib/" Eclipse, the compiler and the linker all succeed in including the headers and libraries. I am using the GNU C/C++ compiler & linker from Cygwin. When compiling, I get the following make error: src/Window.d:1: *** multiple target patterns. Stop. Window.d contains: src/Window.d src/Window.o: ../src/Window.cpp \ C:/Program\ Files/OpenCV/cv/include/cv.h \ C:/Program\ Files/OpenCV/cxcore/include/cxcore.h \ C:/Program\ Files/OpenCV/cxcore/include/cxtypes.h \ C:/Program\ Files/OpenCV/cxcore/include/cxerror.h \ C:/Program\ Files/OpenCV/cxcore/include/cvver.h \ C:/Program\ Files/OpenCV/cxcore/include/cxcore.hpp \ C:/Program\ Files/OpenCV/cv/include/cvtypes.h \ C:/Program\ Files/OpenCV/cv/include/cv.hpp \ C:/Program\ Files/OpenCV/cv/include/cvcompat.h \ C:/Program\ Files/OpenCV/otherlibs/highgui/highgui.h \ C:/Program\ Files/OpenCV/cxcore/include/cxcore.h ../src/Constants.h \ ../src/Window.h C:/Program\ Files/OpenCV/cv/include/cv.h: C:/Program\ Files/OpenCV/cxcore/include/cxcore.h: C:/Program\ Files/OpenCV/cxcore/include/cxtypes.h: C:/Program\ Files/OpenCV/cxcore/include/cxerror.h: C:/Program\ Files/OpenCV/cxcore/include/cvver.h: C:/Program\ Files/OpenCV/cxcore/include/cxcore.hpp: C:/Program\ Files/OpenCV/cv/include/cvtypes.h: C:/Program\ Files/OpenCV/cv/include/cv.hpp: C:/Program\ Files/OpenCV/cv/include/cvcompat.h: C:/Program\ Files/OpenCV/otherlibs/highgui/highgui.h: C:/Program\ Files/OpenCV/cxcore/include/cxcore.h: ../src/Constants.h: ../src/Window.h: I tried removing all OpenCV headers from Window.d (from line 2 onwards), but the error remains. Also, I've updated Eclipse and OpenCV, all to no avail. Do you have any ideas worth trying? I'm willing to try anything!

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• ASP.NET DataList - defining "columns/rows" when repeating horizontal and using flow layout

  - by Ian Robinson

  Here is my DataList: <asp:DataList id="DataList" Visible="false" RepeatDirection="Horizontal" Width="100%" HorizontalAlign="Justify" RepeatLayout="Flow" runat="server"> [Contents Removed] </asp:DataList> This generates markup that has each item wrapped in a span. From there, I'd like to break each of these spans out into rows of three columns. Ideally I would like something like this: <div> <span>Item 1</span> <span>Item 2</span> <span>Item 3</span> </div> <div> <span>Item 4</span> <span>Item 5</span> <span>Item 6</span> </div> [etc] The closest I can get to this is to set RepeatColumns to "3" and then a <br> is inserted after every three items in the DataList. <span>Item 1</span> <span>Item 2</span> <span>Item 3</span> <br> <span>Item 4</span> <span>Item 5</span> <span>Item 6</span> <br> This gets me kind of close, but really doesn't do the trick - I still can't control the layout the way I'd like to be able to. Can anyone suggest a way to make this better? If I could implement the above example - that would be perfect, however I'd accept a less elegant solution as well - as long as its more flexible than <br> (such as inserting a <span class="clear"></span> instead of <br>).

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• TFS and shared projects in multiple solutions

  - by David Stratton

  Our .NET team works on projects for our company that fall into distinct categories. Some are internal web apps, some are external (publicly facing) web apps, we also have internal Windows applications for our corporate office users, and Windows Forms apps for our retail locations (stores). Of course, because we hate code reuse, we have a ton of code that is shared among the different applications. Currently we're using SVN as our source control, and we've got our repository laid out like this: - = folder, | = Visual Studio Solution -SVN - Internet | Ourcompany.com | Oursecondcompany.com - Intranet | UniformOrdering website | MessageCenter website - Shared | ErrorLoggingModule | RegularExpressionGenerator | Anti-Xss | OrgChartModule etc... So.. The OurCompany.com solution in the Internet folder would have a website project, and it would also include the ErrorLoggingModule, RegularExpressionGenerator, and Anti-Xss projects from the shared directory. Similarly, our UniformOrdering website solution would have each of these projects included in the solution as well. We prefer to have a project reference to a .dll reference because, first of all, if we need to add or fix a function in the ErrorLoggingModule while working on the OurCompany.com website, it's right there. Also, this allows us to build each solution and see if changes to shared code break any other applications. This should work well on a build server as well if I'm correct. In SVN, there is no problem with this. SVN and Visual Studio aren't tied together in the way TFS's source control is. We never figured out how to work this type of structure in TFS when we were using it, because in TFS, the TFS project was always tied to a Visual Studio Solution. The Source Code repository was a child of the TFS Project, so if we wanted to do this, we had to duplicate the Shared code in each TFS project's source code repository. As my co-worker put it, this "breaks every known best practice about code reuse and simplicity". It was enough of a deal breaker for us that we switched to SVN. Now, however, we're faced with truly fixing our development processes, and the Application Lifecycle Management of TFS is pretty close to exactly what we want, and how we want to work. Our one sticking point is the shared code issue. We're evaluating other commercial and open source solutions, but since we're already paying for TFS with our MSDN Subscriptions, and TFS is pretty much exactly what we want, we'd REALLY like to find a way around this issue. Has anybody else faced this and come up with a solution? If you've seen an article or posting on this that you can share with me, that would help as well. As always, I'm open to answers like "You're looking at it all wrong, bonehead, HERE'S the way it SHOULD be done.

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• Android mapView ItemizedOverlay setFocus does not work properly

  - by Gaks

  Calling setFocus(null) on the ItemizedOverlay does not 'unfocus' current marker. According to the documentation: ... If the Item is not found, this is a no-op. You can also pass null to remove focus. Here's my code: MapItemizedOverlay public class MapItemizedOverlay extends ItemizedOverlay<OverlayItem> { private ArrayList<OverlayItem> items = new ArrayList<OverlayItem>(); public MapItemizedOverlay(Drawable defaultMarker) { super(defaultMarker); } public void addOverlay(OverlayItem overlay) { items.add(overlay); populate(); } @Override protected OverlayItem createItem(int i) { return items.get(i); } @Override public int size() { return items.size(); } } Creating map overlay and one marker: StateListDrawable youIcon = (StateListDrawable)getResources().getDrawable(R.drawable.marker_icon); int width = youIcon.getIntrinsicWidth(); int height = youIcon.getIntrinsicHeight(); youIcon.setBounds(-13, 0-height, -13+width, 0); GeoPoint location = new GeoPoint(40800816,-74122009); MapItemizedOverlay overlay = new MapItemizedOverlay(youIcon); OverlayItem item = new OverlayItem(location, "title", "snippet"); overlay.addOverlay(item); mapView.getOverlays().add(overlay); The R.drawable.marker_icon is defined as follows: <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android"> <item android:state_focused="true" android:drawable="@drawable/marker_selected" /> <item android:state_selected="true" android:drawable="@drawable/marker_selected" /> <item android:drawable="@drawable/marker_normal" /> </selector> Now, to test the setFocus() behavior I put the button on the activity window, with the following onClick listener: Button focusBtn = (Button)findViewById(R.id.focusbtn); focusBtn.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { for(Overlay ov : mapView.getOverlays()) { if(ov.getClass().getSimpleName().equals("MapItemizedOverlay") == true) { MapItemizedOverlay miv = (MapItemizedOverlay)ov; if(miv.getFocus() == null) miv.setFocus(miv.getItem(0)); else miv.setFocus(null); break; } } mapView.invalidate(); } }); The expected behavior is: clicking on the button toggles marker selection. It works only once - clicking it for the first time selects the marker, clicking it again does not de-select the marker. The most weird thing about it is that after calling setFocus(null), getFocus() also returns null - like the overlay has no focused item (I debugged it). But even after calling mapView.invalidate() the marker is still drawn in 'selected'(focused) state.

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• AbcPDF renders the same page multiple times

  - by Steven

  I need to retrieve several pages and output this in a PDF document. I have the following page structure: Page 1 Sub 1 Sub 2 Sub 3 On page one, I have a link which executes the below code. What it does, is to retrieve child pages (one level) and put them in a page collection. Then I loop trough the page collection and retrieve each sub pages URL. This works. I've tested and seen that it retrieves 3 different URL's. The problem is that my PDF gets three pages of Page 1. It does not render Sub 1 to 3. Why isn't docID = document.AddImageUrl(pageLink) retrieving the pages? Websupergoo refers to a caching problem which may occur. But their solution did not help me. Any good suggestions anyone? protected void linkBtnCreateMultipagePDF_Click(object sender, EventArgs e) { string baseURL = Request.Url.ToString(); PageDataCollection pdc = GetChildren(CurrentPageLink); //Create PDF document Doc document = new Doc(); document.Rect.Inset(10, 20); int docID; string pageLink = string.Empty; foreach (PageData pd in pdc) { //This lops goes through the different pages and retrieves that pages URL pageLink = baseURL + pd.LinkURL; document.Page = document.AddPage(); // But for some reason, the same page is added here. docID = document.AddImageUrl(pageLink); //Chain pages together while (true) { if (!document.Chainable(docID)) break; document.Page = document.AddPage(); docID = document.AddImageToChain(docID); } } //Flatten file for (int i = 1; i <= document.PageCount; i++) { document.PageNumber = i; document.Flatten(); } byte[] theData = document.GetData(); Response.Clear(); Response.ContentType = "application/pdf"; Response.AddHeader("content-disposition", "inline; filename=MyPDF.PDF"); Response.AddHeader("content-length", theData.Length.ToString()); Response.BinaryWrite(theData); Response.End(); }

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• Existing web-site CSS replacement (re-skinning) best-practices without changing the HTML

  - by Enigmativity

  I can see a number of other good answers to questions relating to CSS best-practices on stack overflow: How to Manage CSS Explosion CSS Conventions / Code Layout Models Are there any CSS standards that I should follow while writing my first stylesheet? What is the best method for tidying CSS? Best Practices - CSS Stylesheet Formatting But I think I have a different problem. I'm trying to "re-skin" an existing site that has been nicely built using div's and ul's, etc, and it has a good existing CSS file, but when I start making changes to the CSS I quickly find that I break the layout. My feeling is that it is very hard to get a feel for how all the CSS will work together and indeed what CSS is affecting parent and sibling elements in the HTML. So, my question is "what are the best-practices around re-skinning an existing web-site by replacing the CSS only and not modifying the existing HTML?" I can't change the classes, ids, node hierarchy, etc. An example of the particular site that I am trying to re-skin is http://demo.nopcommerce.com/. The existing CSS can be as complicated/detailed as this extract from the main CSS file: .header-selectors-wrapper { text-align: right; float: right; width: 500px; } .header-currencyselector { float: right; } .header-languageselector { float: left; } .header-taxDisplayTypeSelector { float: right; } .header-links-wrapper { float: right; text-align: right; width: 570px; } .header-links { border: solid 1px #9a9a9a; padding: 5px 5px 5px 5px; margin-bottom: 5px; display: inline-table; } .order-summary-content .cart .cart-item-row td, .wishlist-content .cart .cart-item-row td { border-bottom: 1px solid #c5c5c5; vertical-align: middle; line-height: 30px; } .order-summary-content .cart .cart-item-row td.product, .wishlist-content .cart .cart-item-row td.product { text-align: left; padding: 0px 10px 0px 10px; } .order-summary-content .cart .cart-item-row td.product a, .wishlist-content .cart .cart-item-row td.product a { font-weight: bold; } Any help would be appreciated.

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• C socket programming: calling recv() changes my socket file descriptor?

  - by fourier

  Hey all, I have this strange problem with recv(). I'm programming client/server where client send() a message (a structure to be exact) and server recv() it. I am also working with multiple sockets and select(). while(1) { readset = info->read_set; info->copy_set = info->read_set; timeout.tv_sec = 1; timeout.tv_usec = 0; // 0.5 seconds ready = select(info->max_fd+1, &readset, NULL, NULL, &timeout); if (ready == -1) { printf("S: ERROR: select(): %s\nEXITING...", strerror(errno)); exit(1); } else if (ready == 0) { continue; } else { printf("S: oh finally you have contacted me!\n"); for(i = 0; i < (info->max_fd+1); i++) { if(FD_ISSET(i, &readset)) //this is where problem begins { printf("S: %i is set\n", i); printf("S: we talking about socket %i son\n", i); // i = 4 num_bytes = recv(i, &msg, MAX_MSG_BYTE, 0); printf("S: number of bytes recieved in socket %i is %i\n", i, num_bytes); // prints out i = 0 what?? if (num_bytes == 0) { printf("S: socket has been closed\n"); break; } else if (num_bytes == -1) { printf("S: ERROR recv: %d %s \n", i, strerror(errno)); continue; } else { handle_request(arg, &msg); printf("S: msg says %s\n", msg->_payload); } } // if (FD_ISSET(i, &readset) else printf("S: %i is not set\n", i); } // for (i = 0; i < maxfd+1; i++) to check sockets for msg } // if (ready == -1) info->read_set = info->copy_set; printf("S: copied\n"); } the problem I have is that in read_set, 0~3 aren't set and 4 is. That is fine. But when i call recv(), i suddently becomes 0. Why is that? It doesn't make sense to me why recv() would take an socket file descriptor number and modify to another number. Is that normal? Am I missing something? S: 0 is not set S: 1 is not set S: 2 is not set S: 3 is not set S: 4 is set S: we talking about socket 4 son S: i is strangely or unstrangely 0 S: number of bytes recieved in socket 0 is 40 That's what it prints out.

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• Reading a POP3 server with only TcpClient and StreamWriter/StreamReader[SOLVED]

  - by WebDevHobo

  I'm trying to read mails from my live.com account, via the POP3 protocol. I've found the the server is pop3.live.com and the port if 995. I'm not planning on using a pre-made library, I'm using NetworkStream and StreamReader/StreamWriter for the job. I need to figure this out. So, any of the answers given here: http://stackoverflow.com/questions/44383/reading-email-using-pop3-in-c are not usefull. It's part of a larger program, but I made a small test to see if it works. Eitherway, i'm not getting anything. Here's the code I'm using, which I think should be correct. EDIT: this code is old, please refer to the second block problem solved. public Program() { string temp = ""; using(TcpClient tc = new TcpClient(new IPEndPoint(IPAddress.Parse("127.0.0.1"),8000))) { tc.Connect("pop3.live.com",995); using(NetworkStream nws = tc.GetStream()) { using(StreamReader sr = new StreamReader(nws)) { using(StreamWriter sw = new StreamWriter(nws)) { sw.WriteLine("USER " + user); sw.Flush(); sw.WriteLine("PASS " + pass); sw.Flush(); sw.WriteLine("LIST"); sw.Flush(); while(temp != ".") { temp += sr.ReadLine(); } } } } } Console.WriteLine(temp); } Visual Studio debugger constantly falls over tc.Connect("pop3.live.com",995); Which throws an "A socket operation was attempted to an unreachable network 65.55.172.253:995" error. So, I'm sending from port 8000 on my machine to port 995, the hotmail pop3 port. And I'm getting nothing, and I'm out of ideas. Second block: Problem was apparently that I didn't write the quit command. The Code: public Program() { string str = string.Empty; string strTemp = string.Empty; using(TcpClient tc = new TcpClient()) { tc.Connect("pop3.live.com",995); using(SslStream sl = new SslStream(tc.GetStream())) { sl.AuthenticateAsClient("pop3.live.com"); using(StreamReader sr = new StreamReader(sl)) { using(StreamWriter sw = new StreamWriter(sl)) { sw.WriteLine("USER " + user); sw.Flush(); sw.WriteLine("PASS " + pass); sw.Flush(); sw.WriteLine("LIST"); sw.Flush(); sw.WriteLine("QUIT "); sw.Flush(); while((strTemp = sr.ReadLine()) != null) { if(strTemp == "." || strTemp.IndexOf("-ERR") != -1) { break; } str += strTemp; } } } } } Console.WriteLine(str); }

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• Sentiment analysis with NLTK python for sentences using sample data or webservice?

  - by Ke

  I am embarking upon a NLP project for sentiment analysis. I have successfully installed NLTK for python (seems like a great piece of software for this). However,I am having trouble understanding how it can be used to accomplish my task. Here is my task: I start with one long piece of data (lets say several hundred tweets on the subject of the UK election from their webservice) I would like to break this up into sentences (or info no longer than 100 or so chars) (I guess i can just do this in python??) Then to search through all the sentences for specific instances within that sentence e.g. "David Cameron" Then I would like to check for positive/negative sentiment in each sentence and count them accordingly NB: I am not really worried too much about accuracy because my data sets are large and also not worried too much about sarcasm. Here are the troubles I am having: All the data sets I can find e.g. the corpus movie review data that comes with NLTK arent in webservice format. It looks like this has had some processing done already. As far as I can see the processing (by stanford) was done with WEKA. Is it not possible for NLTK to do all this on its own? Here all the data sets have already been organised into positive/negative already e.g. polarity dataset http://www.cs.cornell.edu/People/pabo/movie-review-data/ How is this done? (to organise the sentences by sentiment, is it definitely WEKA? or something else?) I am not sure I understand why WEKA and NLTK would be used together. Seems like they do much the same thing. If im processing the data with WEKA first to find sentiment why would I need NLTK? Is it possible to explain why this might be necessary? I have found a few scripts that get somewhat near this task, but all are using the same pre-processed data. Is it not possible to process this data myself to find sentiment in sentences rather than using the data samples given in the link? Any help is much appreciated and will save me much hair! Cheers Ke

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