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• Windows 7 & Virtual PC and Internet (gateway) problems on host PC

  - by Mufasa

  I upgraded to Windows 7 on a PC that is a few years old. The CPU was one revision away from having Hyper-V on it. So, I had to install Microsoft Virtual PC 2007 (v6.0.156.0) to run full XP instances instead of the seamless XP virtualization that is advertised so much. That's fine though; the 'older' version is useful since I use it to run different versions of the whole XP/IE stack for testing. (I'm a web developer.) ...And for the one 16-bit application we still use at the office for scheduling. * sigh * The virtual instances work fine, including networking. My issue is that after a reboot or coming out of sleep mode, my host Windows 7 won't connect to the Internet. It will connect to the local network fine. If I disable the "Virtual Machine Network Services" item (I'll call "VMNS" from here on) in the LAN Connection properties box, it starts working. But than the Virtual PC instances lose their network connectivity. If I re-enable VMNS again in the same instance, everything works (Internet on host and in the virtualized instances). But after the next reboot/sleep cycle this starts over. The route table gave me a clue though. When doing a cycle w/ VMNS enabled: IPv4 Route Table =========================================================================== Active Routes: Network Destination Netmask Gateway Interface Metric 0.0.0.0 0.0.0.0 On-link 10.0.3.51 20 0.0.0.0 0.0.0.0 10.0.10.10 10.0.3.51 276 ... After VMNS is disabled, the first route goes away. I assume that is for VMNS to intercept virtualized instance's network connections and forward them correctly? Just a guess though. More info: I checked my Firewall settings and Services (because I'm sort of a control nazi and turn off a lot) but couldn't find anything that made sense and if turned on changed anything. So it might be something there I'm missing, but I don't know what. My current hacked solution: So, I figured I'd mess with the routes myself to see if that helped, it did. If I run a route delete 0.0.0.0 on the universal (0.0.0.0) gateway routes, and add back in just the 2nd line with route add 0.0.0.0 mask 0.0.0.0 10.0.10.10--the one that points to my actual gateway (10.0.10.10)--then I don't have to mess with the disable/enable cycle of VMNS, and everything works. Running those two commands is faster then bringing up connection options and disabling and re-enabling VMNS, but I still don't want to have use that hack script every boot either. (Oh, and I also tried messing with hard-coding TCP/IP settings in my network adapter, including setting high metrics, etc., but that didn't help either.) Any suggestions on the right way to fix this?

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• Need help troubleshooting highly variable ping times

  - by Elliot.Bradshaw

  I'm at work using Citrix (think Remote Desktop) to connect to client sites. With my job I have to write a fair bit of code while I'm connected remotely via Citrix, so the latency of my internet connection is important. If I'm getting ping times above 250ms, then it becomes almost impossible to scroll, click or type with accuracy. Recently my Comcast business internet has been exhibiting highly variable ping times. If I ping google.com, I'll get pings that range from 9ms all the way up to 1300ms. The problem seems to be at its worst during the hours of 1PM to 4:30PM. Outside of those hours and the variance in pings settles down, mostly between 9ms and 50ms. The signal to noise ratio and upstream power are both fine on my modem--the values are here: http://pastebin.com/D4hWGPXf I ran a trace route from my computer to google.com (the results of which are here: http://pastebin.com/GcdjYvMh) and did another test ping to the IP of the first hop outside of our local network (73.98.44.1)--the variance in ping times existed in exactly the same manner as if I were pinging Google. Connecting directly to the cable modem by CAT5 makes no difference. Here is a screenshot demonstrating the variance of the ping times: http://postimage.org/image/haocdeauv/full/ -- as you can see it can get pretty bad. Three Comcast techs have been out (two of them were here when the problem wasn't happening) and they as well as the regional tier 2 Comcast support were unable to diagnose the problem. I now have a ticket open with tier 3 support, but have yet to hear back from them. Does anyone know what could cause these sorts of problems or have any idea from the traceroute above where it could be originating? The regional tier 2 guy tried to tell me that what I'm seeing is normal--are highly variable ping times like that ever acceptable? Anything I should ask Comcast to do or look at to get this problem fixed? Any tips/advice much appreciated! Edit: This is Comcast cable internet at a small start-up, we've ruled out congestion in our private LAN as a cause (i.e., no one's watching YouTube when the pings become variable). Update: Tier 3 Comcast support advised swapping out the modem, a tech came here today and did that--same problem persists.

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• Looking for a new, free firewall (Sunbelt has a huge hole)

  - by Jason

  I've been using Sunbelt Personal Firewall v. 4.5 (previously Kerio). I've discovered that blocking Firefox connections in the configuration doesn't stop EXISTING Firefox connections. (See my post here yesterday http://superuser.com/questions/132625/sunbelt-firewall-4-5-wont-block-firefox) The "stop all traffic" may work on existing connections - but I'm done testing, as I need to be able to be selective, at any time. I was using the free version, so the "web filtering" option quit working after some time (mostly blocking ads and popups), but I didn't use that anyway. I used the last free version of Kerio before finally having to go to Sunbelt, because Kerio had an unfixed bug where you'd eventually get the BSOD and have to reset Kerio's configuration and start over (configure everything again). So I'm looking for a new Firewall. I don't like ZoneAlarm at all (no offense to all it's users that may be here - personal taste). I need the following: (Sunbelt has all these, except *) - 1. Be able to block in/out to localhost (trusted)/internet selectively for each application with a click (so there's 4 click boxes for each application) [*that effects everything immediately, regardless of what's already connected]. When a new application attempts a connection, you get an allow/deny/remember windows. - 2. Be able to easily set up filter rules for 'individual application'/'all applications,' by protocol, port/address (range), local, remote, in, out. [*Adding a filter rule also doesn't block existing connections in Sunbelt. That needs to work too.] - 3. Have an easy-to-get-to way to "stop all traffic" (like a right click option on the running icon in the task bar). - 4. Be able to set trusted/internet in/out block/allowed (4 things per item) for each of IGMP, ping, DNS, DHCP, VPN, and broadcasts. - 5. Define locahost as trusted/untrusted, define adapter connections as trusted/untrusted. - 6. Block incoming connetions during boot-up and shutdown. - 7. Show existing connections, including local & remote ip/port, protocol, current speed, total bytes transferred, and local ports opened for Listening. - 8. An Intrusion Prevention System which blocks (optionally select each one) known intrustions (long list). - 9. Block/allow applications from starting other applications (deny/allow/remember window). Wish list: A way of knowing what svchost.exe is doing - who is actually using it/calling it. I allowed it for localhost, and selectively allowed it for internet each time the allow/deny window came up. Thanks for any help/suggestions. (I'm using Windows XP SP3.)

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• Mac OSX 10.8 Server DNS Domain Routing

  - by Oldek

  I just cant seem to figure out the logic in how to configure my Mac Server. So I have set up an DNS, which will take the domain and all subdomains and point towards an IP. File: db.mydomain.com (in /var/named/) mydomain.com. 10800 IN SOA mydomain.com. admin.mydomain.com. ( 2012110903 ; serial 3600 ; refresh (1 hour) 900 ; retry (15 minutes) 1209600 ; expire (2 weeks) 86400 ; minimum (1 day) ) 10800 IN NS mydomain.com. 10800 IN A 10.0.1.2 www.mydomain.com. 10800 IN A 10.0.1.2 So I want all of these requests to be requested to the 10.0.1.2 server, as I run 2 servers in my cluster. This one has always handled the requests, and now I want to add a server in between. So the server in between will get all the signals from my router which NAT the trafic coming from outside. So after setting this up and trying to point my port 80 towards my new server which will be the middle point, it doesn't work. Is it even possible to do it this way? First server: Mac Second server: Linux So what I try to achieve once more: 1. User goes to mydomain.com or www.mydomain.com 2. User request gets handled by my first server 3. First server refers to a local server, which is only available locally (it is configured to allow requests on port 80 and handle them) 4. Second server receives signal 5. Second server returns a request (either directly send to user or send through first server, whichever is most secure and configurable) I also want to be able to set up domains that lead to other servers in the future, and some that are only available within the VPN. (If that changes anything) I hope some kind soul could help me with this, it is really cumbersome for my mind to get the logic here. Do I have to configure my other server in any way? /Marcus

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• Nginx config - serving index.html not working

  - by Bill

  I can't figure out how to redirect / to index.html. I've gone through the threads on serverfault and I think I've tried every suggestion including: rewrite statements within location / index index.html at the server level, within location / and within static content moving node.js proxy statements to location ~ /i instead of within location / Obviously something is wrong somewhere else in my configuration. Here is my nginx.conf: worker_processes 1; pid /home/logs/nginx.pid; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; error_log /home/logs/error.log; access_log /home/logs/access.log combined; include sites-enabled/*; } and my server config located in sites-enabled server { root /home/www/public; listen 80; server_name localhost; # proxy request to node location / { index index.html index.htm; proxy_set_header Host $http_host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; proxy_set_header X-NginX-Proxy true; proxy_pass http://127.0.0.1:3010; proxy_redirect off; break; } # static content location ~ \.(?:ico|jpe?g|jpeg|gif|css|png|js|swf|xml|woff|eot|svg|ttf|html)$ { access_log off; add_header Pragma public; add_header Cache-Control public; expires 30d; } gzip on; gzip_vary on; gzip_http_version 1.0; gzip_comp_level 2; gzip_proxied any; gzip_min_length 1000; gzip_disable "msie6"; gzip_types text/plain text/css application/json application/x-javascript text/xml application/xml application/xml+rss text/javascript; } Everything else is working just fine. Requests get proxied to node correctly and static content is served correctly. I just need to be able to forward requests made to / to /index.html.

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• Why can't we reach some (but not all) external web service via VPN connection?

  - by Paul Haldane

  At work (UK university) we use a set of Windows servers running WS2008R2 and RRAS which offer VPN service to students in our accommodation. We do this to associate the network connections with individuals. Before they've connected to the VPN all they can talk to is the stuff thats needed to setup the VPN and a local web site with documentation on how to connect. Medium term we'll probably replace this but it's what we're using at the moment. VPN on the 2008 servers allocates client a private (10.x) address. Access to external sites is through NAT on the campus routers (same as any other directly connected client on a private address). Non-VPN connections aren't seeing this problem. Older servers run WS 2003 and ISA2004. That setup works but has become unreliable under load. Big difference there was that we were allocating non-RFC1918 addresses to the clients (so no NAT required). Behaviour we're seeing is that once connected to the VPN, clients can reach local web sites (that is sites on the campus network) but only some external sites. It seems (but this may be chance) that the sites we can reach are Google ones (including YouTube). We certainly have trouble reaching Microsoft's Office 365 service (which is a pain because that's where mail for most of our students is). One odd bit of behaviour is that clients can fetch (using wget on a Windows 7 client) http://www.oracle.com/ (which gets a 301 redirect) but hangs when asked to fetch http://www.oracle.com/index.html (which is what the first URL redirects to). Access works reliably if we configure clients to use our local web proxies (Squid). My gut tells me that this is likely to be something in the chain dropping replies either based on HTTP inspection or the IP address in the reply. However I'm puzzled about why we're seeing this with the VPN clients. Plan for tomorrow (when I'm back in the office) is to setup a web server on external connection so that we can monitor behaviour at both ends of the conversation (hoping that the problem manifests itself with our test server). Any suggestions for things we should be looking at?

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• Serving protected files using Nginx's X-Accel-Redirect header

  - by andybak

  I'm trying to serve protected files using this directive in my nginx.conf: location /secure/ { internal; alias /home/ldr/webapps/nginx/app/secure/; } I'm passing in paths in the form: "/myfile.doc" and the file's path would be: /home/ldr/webapps/nginx/app/secure/myfile.doc I just get 404's when I access "http: //myserver/secure/myfile.doc" (space inserted after http to stop ServerFault converting it to a link) I've tried taking the trailing / off the location directive and that makes no difference. Two questions: How do I fix it! How can I debug problems like this myself? How can I get Nginx to report which path it's looking for? error.log shows nothing and access.log just tells me which url is being requested - this is the bit I already know! It's no fun trying things randomly without any feedback. Here's my entire nginx.conf: daemon off; worker_processes 2; events { worker_connections 1024; } http { include mime.types; default_type application/octet-stream; server { listen 21534; server_name my.server.com; client_max_body_size 5m; location /media/ { alias /home/ldr/webapps/nginx/app/media/; } location / { proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; fastcgi_pass unix:/home/ldr/webapps/nginx/app/myproject/django.sock; fastcgi_pass_header Authorization; fastcgi_hide_header X-Accel-Redirect; fastcgi_hide_header X-Sendfile; fastcgi_intercept_errors off; include fastcgi_params; } location /secure { internal; alias /home/ldr/webapps/nginx/app/secure/; } } } EDIT: I'm trying some of the suggestions here So I've tried: location /secure/ { internal; alias /home/ldr/webapps/nginx/app/; } both with and without the trailing slash on location. I've also tried moving this block before the "location /" directive. The page I linked to has ^~ after 'location' giving: location ^~ /secure/ { ...etc... Not sure what that signifies but it didn't work either!

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• unable to connect site to different port

  - by JohnMerlino

  I have a domain was registered at godaddy named http://mysite.com/. I logged into godaddy and I went to All Products Domains Domain Management. I clicked on the appropriate domain and it took me to the Domain Details page. I clicked Launch under DNS Manager and it took me to the Zone File Editor. I noticed that notify.mysite.com was pointing to an IP address pointing to a dead server, so I switched it to an operating server. Then I pinged the domain to see where it was pointing to and it was correctly pointing to the working server. So I copied the default configuration under sites-available: sudo cp default notify.mysite.com. And then I made some edits to it to have it point to a different document root to serve files at a different port: Listen 1740 Listen 64.135.xx.xxx:1740 #I also tried this as well: NameVirtualHost 64.135.xx.xxx:1740 <VirtualHost 64.135.xx.xxx:1740> ServerAdmin [email protected] ServerName notify.mysite.com DocumentRoot /var/www/test/public <Directory /var/www/test/public> Order allow,deny allow from all </Directory> ErrorLog ${APACHE_LOG_DIR}/error.log LogLevel warn CustomLog ${APACHE_LOG_DIR}/access.log combined </VirtualHost> Then I enabled the virtual host. Then I went to the document root and added an index.html file with some text in it. Then I restarted apache. The restart gave no errors. Then I type the correct domain in URL: http://notify.mysite.com:1740/ and I get: Oops! Google Chrome could not connect to notify.mysite.com:1740 Somehow it took out all my other sites. Now even the ones that were responding on port 80 are no longe responding, even though I did not touch the virtual hosts for them. I get this message now: Oops! Google Chrome could not connect to mysite.com However, ping responds: ping mysite.com PING mysite.com (64.135.12.134): 56 data bytes 64 bytes from 64.135.12.134: icmp_seq=0 ttl=49 time=20.839 ms 64 bytes from 64.135.12.134: icmp_seq=1 ttl=49 time=20.489 ms The result of telnet: $ telnet guarddoggps.com 80 Trying 64.135.12.134... telnet: connect to address 64.135.12.134: Connection refused telnet: Unable to connect to remote host

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• Nginx Load Balancer 403 error

  - by user64473

  I am trying to install nginx as a load balancer with apache backends, so that when I point my sites to the nginx server it serves up the content from the apache backend. I have the apache configuration set up correctly on both (i.e when I go to the site on the apache servers it works great) but when I use the nginx load balancer as the site I get 403 error. I have no idea why as it isn't even accessing any files on the server, thusly there aren't any files to be forbidden access to. My virtual host is enabled and looks like this: upstream webs { server 10.0.0.30 weight=1; server 10.0.0.31 weight=1; } server { listen 80; server_name www.example.com example.com; access_log /var/log/nginx/access.log; location / { proxy_pass http://webs; include /etc/nginx/proxy.conf; } } and my nginx.conf looks like this: user www-data; worker_processes 4; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; # multi_accept on; } http { include /etc/nginx/mime.types; access_log /var/log/nginx/access.log; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; tcp_nodelay on; gzip on; gzip_disable "MSIE [1-6]\.(?!.*SV1)"; include /etc/nginx/conf.d/*.conf; include /etc/nginx/sites-enabled/*; proxy_redirect off; proxy_set_header Host $host; proxy_set_header X-Real-IP $remote_addr; proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for; client_max_body_size 10m; client_body_buffer_size 128k; proxy_connect_timeout 90; proxy_send_timeout 90; proxy_read_timeout 90; proxy_buffers 32 4k; } Can any geniuses out there tell me what I am doing wrong?

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• [CentOS 4.8] nslookup resolves domains to IPs, but I can't get a response to pings to external servers

  - by Beco

  I have a fresh install of CentOS 4.8 running on an internal development server. I haven't done anything to it besides setting up sudoers and SSH. I can SSH into the server and from there resolve domains to IPs and ping internal servers, but for some reason I don't get any response from pinging external servers. The software firewall is disabled, and the problem is present with both static and DHCP-assigned network configurations. The network domain controller is a Windows Server 2003 box. $ nslookup google.com Server: 10.254.2.5 Address: 10.254.2.5#53 Non-authoritative answer: Name: google.com Address: 74.125.47.147 Name: google.com Address: 74.125.47.99 <etc...> 10.254.2.5 is the Win2K3 server. $ ping google.com PING google.com (74.125.47.106) 56(84) bytes of data. It just hangs here indefinitely. $ cat /etc/resolv.conf ; generated by /sbin/dhclient-script search <...snip...>.local nameserver 10.254.2.5 nameserver 10.254.2.124 10.254.2.124 is the backup DC server, which is currently off and tombstoned by this point. The snipped section is our company name. # ifconfig eth0 Link encap:Ethernet HWaddr <snip> inet addr:10.254.2.101 Bcast:10.254.2.255 Mask:255.255.255.0 inet6 addr: <snip>/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:80066 errors:0 dropped:0 overruns:0 frame:0 TX packets:4421 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:7810133 (7.4 MiB) TX bytes:590550 (576.7 KiB) Interrupt:225 Base address:0xc000 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:32 errors:0 dropped:0 overruns:0 frame:0 TX packets:32 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:8104 (7.9 KiB) TX bytes:8104 (7.9 KiB) # route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 10.254.2.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0 0.0.0.0 10.254.2.5 0.0.0.0 UG 0 0 0 eth0 And, for good measure, a snapshot of the current ethernet config via the system-config-network GUI. Edit: I don't yet have enough rep to post images, so here's a link. Sorry! system-config-network snapshot I'm pretty green when it comes to setting up *nix dev servers and network configuration in general, so please let me know if I've left out critical information, or posted information I shouldn't have posted. Thanks!

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• Flat File Connection Manager in SSIS package shows "Valid File Name Must be Selected"

  - by Traples

  (Flat File Location) Samba Share | Windows Share (SSIS) _______________________________ | | XP 32bit | Works | Works | | 2003 Serv 32bit | Works | Works | | Vista 64bit | ERROR | Works | | Win 7 64bit | ERROR | Works | | 2008 Serv 64bit | ERROR | Works I created an SSIS package in VS 2008 that parses a flat file from a shared folder and puts the records into a SQL Server db. I recently installed Windows 7 and VS 2008 on a new workstation. When I import the package from TFS and open it, I get the error Validation error. Parse and Import Catalog Flat File: MySSISPackage: The file name "\\shared\flatfile.txt" specified in the connection was not valid. When I open the Flat File Connection Manager Editor, there is an error stating: A valid file name must be selected I can browse to and select the file from inside the editor, but I cannot change any properties, or move away from the General tab because of this error. If I go back to my laptop (Windows XP), where the package was first created, there is no error. Both workstations are on the same domain, and I'm logging in using the same credentials. Any ideas as to why I would receive this error from one workstation and not another? UPDATE: If I take the .dtsx package from the running workstation and load it into SSIS on the server, I get the following errors when it tries to run: Error: The file name "\\shared\flatfile.txt" specified in the connection was not valid. and... Error: Connection "MySSISPackage" failed validation. and... Error: The file name property is not valid. The file name is a device or contains invalid characters. UPDATE 2: a) The Shared folder I'm trying to pull the flat file from is a Samba share on a Unix box. b) If I access the file using SSIS on any 64-bit platform (Windows 7 64-bit, Vista 64-bit, Windows Server 2008) I get the error "A valid file name must be selected." c) Accessing the file using SSIS from 32-bit environments (Windows XP 32-bit, Windows Server 2003 32-bit) there is no problem. d) If I move the file to a shared folder on a Windows server, 64-bit SSIS recognizes the file.

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• Oauth for Google API example using Python / Django

  - by DrDee

  Hi, I am trying to get Oauth working with the Google API using Python. I have tried different oauth libraries such as oauth, oauth2 and djanog-oauth but I cannot get it to work (including the provided examples). For debugging Oauth I use Google's Oauth Playground and I have studied the API and the Oauth documentation With some libraries I am struggling with getting a right signature, with other libraries I am struggling with converting the request token to an authorized token. What would really help me if someone can show me a working example for the Google API using one of the above-mentioned libraries. EDIT: My initial question did not lead to any answers so I have added my code. There are two possible causes of this code not working: 1) Google does not authorize my request token, but not quite sure how to detect this 2) THe signature for the access token is invalid but then I would like to know which oauth parameters Google is expecting as I am able to generate a proper signature in the first phase. This is written using oauth2.py and for Django hence the HttpResponseRedirect. REQUEST_TOKEN_URL = 'https://www.google.com/accounts/OAuthGetRequestToken' AUTHORIZATION_URL = 'https://www.google.com/accounts/OAuthAuthorizeToken' ACCESS_TOKEN_URL = 'https://www.google.com/accounts/OAuthGetAccessToken' CALLBACK = 'http://localhost:8000/mappr/mappr/oauth/' #will become real server when deployed OAUTH_CONSUMER_KEY = 'anonymous' OAUTH_CONSUMER_SECRET = 'anonymous' signature_method = oauth.SignatureMethod_HMAC_SHA1() consumer = oauth.Consumer(key=OAUTH_CONSUMER_KEY, secret=OAUTH_CONSUMER_SECRET) client = oauth.Client(consumer) request_token = oauth.Token('','') #hackish way to be able to access the token in different functions, I know this is bad, but I just want it to get working in the first place :) def authorize(request): if request.GET == {}: tokens = OAuthGetRequestToken() return HttpResponseRedirect(AUTHORIZATION_URL + '?' + tokens) elif request.GET['oauth_verifier'] != '': oauth_token = request.GET['oauth_token'] oauth_verifier = request.GET['oauth_verifier'] OAuthAuthorizeToken(oauth_token) OAuthGetAccessToken(oauth_token, oauth_verifier) #I need to add a Django return object but I am still debugging other phases. def OAuthGetRequestToken(): print '*** OUTPUT OAuthGetRequestToken ***' params = { 'oauth_consumer_key': OAUTH_CONSUMER_KEY, 'oauth_nonce': oauth.generate_nonce(), 'oauth_signature_method': 'HMAC-SHA1', 'oauth_timestamp': int(time.time()), #The timestamp should be expressed in number of seconds after January 1, 1970 00:00:00 GMT. 'scope': 'https://www.google.com/analytics/feeds/', 'oauth_callback': CALLBACK, 'oauth_version': '1.0' } # Sign the request. req = oauth.Request(method="GET", url=REQUEST_TOKEN_URL, parameters=params) req.sign_request(signature_method, consumer, None) tokens =client.request(req.to_url())[1] params = ConvertURLParamstoDictionary(tokens) request_token.key = params['oauth_token'] request_token.secret = params['oauth_token_secret'] return tokens def OAuthAuthorizeToken(oauth_token): print '*** OUTPUT OAuthAuthorizeToken ***' params ={ 'oauth_token' :oauth_token, 'hd': 'default' } req = oauth.Request(method="GET", url=AUTHORIZATION_URL, parameters=params) req.sign_request(signature_method, consumer, request_token) response =client.request(req.to_url()) print response #for debugging purposes def OAuthGetAccessToken(oauth_token, oauth_verifier): print '*** OUTPUT OAuthGetAccessToken ***' params = { 'oauth_consumer_key': OAUTH_CONSUMER_KEY, 'oauth_token': oauth_token, 'oauth_verifier': oauth_verifier, 'oauth_token_secret': request_token.secret, 'oauth_signature_method': 'HMAC-SHA1', 'oauth_timestamp': int(time.time()), 'oauth_nonce': oauth.generate_nonce(), 'oauth_version': '1.0', } req = oauth.Request(method="GET", url=ACCESS_TOKEN_URL, parameters=params) req.sign_request(signature_method, consumer, request_token) response =client.request(req.to_url()) print response return req def ConvertURLParamstoDictionary(tokens): params = {} tokens = tokens.split('&') for token in tokens: token = token.split('=') params[token[0]] = token[1] return params

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• C# remote web request certificate error

  - by Ben

  Hi. I am currently integrating a payment gateway into an application. Following a successful transaction the remote payment gateway posts details of the transaction back to my application (ITN). It posts to a HttpHandler that is used to read and validate the data. Part of the validation performed is a POST made by the handler to a validation service provided by the payment gateway. This effectively posts some of the original form values received back to the payment gateway to ensure they are valid. The url that I am posting back to is: "https://sandbox.payfast.co.za/eng/query/validate" and the code I am using: /// <summary> /// Posts the data back to the payment processor to validate the data received /// </summary> public static bool ValidateITNRequestData(NameValueCollection formVariables) { bool isValid = true; try { using (WebClient client = new WebClient()) { string validateUrl = (UseSandBox) ? SandboxValidateUrl : LiveValidateUrl; byte[] responseArray = client.UploadValues(validateUrl, "POST", formVariables); // get the resposne and replace the line breaks with spaces string result = Encoding.ASCII.GetString(responseArray); result = result.Replace("\r\n", " ").Replace("\r", "").Replace("\n", " "); if (result == null || !result.StartsWith("VALID")) { isValid = false; LogManager.InsertLog(LogTypeEnum.OrderError, "PayFast ITN validation failed", "The validation response was not valid."); } } } catch (Exception ex) { LogManager.InsertLog(LogTypeEnum.Unknown, "Unable to validate ITN data. Unknown exception", ex); isValid = false; } return isValid; } However, on calling WebClient.UploadValues the following exception is raised: System.Net.WebException: The underlying connection was closed: Could not establish trust relationship for the SSL/TLS secure channel. ---> System.Security.Authentication.AuthenticationException: The remote certificate is invalid according to the validation procedure. at System.Net.Security.SslState.StartSendAuthResetSignal(ProtocolToken message, AsyncProtocolRequest asyncRequest, Exception exception) at For the sake of brevity I haven't listed the full call stack (I can do if anyone thinks it will help). The remote certificate does appear to be valid. To get around the problem I did try adding a new RemoteCertificateValidationCallback that always returned true but just ended up getting the following exception: System.Security.SecurityException: Request for the permission of type 'System.Security.Permissions.SecurityPermission, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089' failed. at System.Security.CodeAccessSecurityEngine.Check(Object demand, StackCrawlMark& stackMark, Boolean isPermSet) at System.Security.CodeAccessPermission.Demand() at System.Net.ServicePointManager.set_ServerCertificateValidationCallback(RemoteCertificateValidationCallback value) at NopSolutions.NopCommerce.Payment.Methods.PayFast.PayFastPaymentProcessor.ValidateITNRequestData(NameValueCollection formVariables) The action that failed was: Demand The type of the first permission that failed was: System.Security.Permissions.SecurityPermission The Zone of the assembly that failed was: MyComputer So I am not sure this will work in medium trust? Any help would be much appreciated. Thanks Ben

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• Entity Framework SaveChanges error details

  - by Marek Karbarz

  When saving changes with SaveChanges on a data context is there a way to determine which Entity causes an error? For example, sometimes I'll forget to assign a date to a non-nullable date field and get "Invalid Date Range" error, but I get no information about which entity or which field it's caused by (I can usually track it down by painstakingly going through all my objects, but it's very time consuming). Stack trace is pretty useless as it only shows me an error at the SaveChanges call without any additional information as to where exactly it happened. Note that I'm not looking to solve any particular problem I have now, I would just like to know in general if there's a way to tell which entity/field is causing a problem. Quick sample of a stack trace as an example - in this case an error happened because CreatedOn date was not set on IAComment entity, however it's impossible to tell from this error/stack trace [SqlTypeException: SqlDateTime overflow. Must be between 1/1/1753 12:00:00 AM and 12/31/9999 11:59:59 PM.] System.Data.SqlTypes.SqlDateTime.FromTimeSpan(TimeSpan value) +2127345 System.Data.SqlTypes.SqlDateTime.FromDateTime(DateTime value) +232 System.Data.SqlClient.MetaType.FromDateTime(DateTime dateTime, Byte cb) +46 System.Data.SqlClient.TdsParser.WriteValue(Object value, MetaType type, Byte scale, Int32 actualLength, Int32 encodingByteSize, Int32 offset, TdsParserStateObject stateObj) +4997789 System.Data.SqlClient.TdsParser.TdsExecuteRPC(_SqlRPC[] rpcArray, Int32 timeout, Boolean inSchema, SqlNotificationRequest notificationRequest, TdsParserStateObject stateObj, Boolean isCommandProc) +6248 System.Data.SqlClient.SqlCommand.RunExecuteReaderTds(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, Boolean async) +987 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method, DbAsyncResult result) +162 System.Data.SqlClient.SqlCommand.RunExecuteReader(CommandBehavior cmdBehavior, RunBehavior runBehavior, Boolean returnStream, String method) +32 System.Data.SqlClient.SqlCommand.ExecuteReader(CommandBehavior behavior, String method) +141 System.Data.SqlClient.SqlCommand.ExecuteDbDataReader(CommandBehavior behavior) +12 System.Data.Common.DbCommand.ExecuteReader(CommandBehavior behavior) +10 System.Data.Mapping.Update.Internal.DynamicUpdateCommand.Execute(UpdateTranslator translator, EntityConnection connection, Dictionary`2 identifierValues, List`1 generatedValues) +8084396 System.Data.Mapping.Update.Internal.UpdateTranslator.Update(IEntityStateManager stateManager, IEntityAdapter adapter) +267 [UpdateException: An error occurred while updating the entries. See the inner exception for details.] System.Data.Mapping.Update.Internal.UpdateTranslator.Update(IEntityStateManager stateManager, IEntityAdapter adapter) +389 System.Data.EntityClient.EntityAdapter.Update(IEntityStateManager entityCache) +163 System.Data.Objects.ObjectContext.SaveChanges(SaveOptions options) +609 IADAL.IAController.Save(IAHeader head) in C:\Projects\IA\IADAL\IAController.cs:61 IA.IAForm.saveForm(Boolean validate) in C:\Projects\IA\IA\IAForm.aspx.cs:198 IA.IAForm.advance_Click(Object sender, EventArgs e) in C:\Projects\IA\IA\IAForm.aspx.cs:287 System.Web.UI.WebControls.Button.OnClick(EventArgs e) +118 System.Web.UI.WebControls.Button.RaisePostBackEvent(String eventArgument) +112 System.Web.UI.WebControls.Button.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +36 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +5019

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• Using depends with the jQuery Validation plugin

  - by Glenn Slaven

  I've got a form with a bunch of textboxes that are disabled by default, then enabled by use of a checkbox next to each one. When enabled, the values in these textboxes are required to be a valid number, but when disabled they don't need a value (obviously). I'm using the jQuery Validation plugin to do this validation, but it doesn't seem to be doing what I expect. When I click the checkbox and disable the textbox, I still get the invalid field error despite the depends clause I've added to the rules (see code below). Oddly, what actually happens is that the error message shows for a split second then goes away. Here is a sample of the list of checkboxes & textboxes: <ul id="ItemList"> <li> <label for="OneSelected">One</label><input id="OneSelected" name="OneSelected" type="checkbox" value="true" /> <input name="OneSelected" type="hidden" value="false" /> <input disabled="disabled" id="OneValue" name="OneValue" type="text" /> </li> <li> <label for="TwoSelected">Two</label><input id="TwoSelected" name="TwoSelected" type="checkbox" value="true" /> <input name="TwoSelected" type="hidden" value="false" /> <input disabled="disabled" id="TwoValue" name="TwoValue" type="text" /> </li> </ul> And here is the jQuery code I'm using //Wire up the click event on the checkbox jQuery('#ItemList :checkbox').click(function(event) { var textBox = jQuery(this).siblings(':text'); textBox.valid(); if (!jQuery(this).attr("checked")) { textBox.attr('disabled', 'disabled'); textBox.val(''); } else { textBox.removeAttr('disabled'); textBox[0].focus(); } }); //Add the rules to each textbox jQuery('#ItemList :text').each(function(e) { jQuery(this).rules('add', { required: { depends: function(element) { return jQuery(element).siblings(':checkbox').attr('checked'); } }, number: { depends: function(element) { return jQuery(element).siblings(':checkbox').attr('checked'); } } }); }); Ignore the hidden field in each li it's there because I'm using asp.net MVC's Html.Checkbox method.

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• jQuery override default validation error message display (Css) Popup/Tooltip like

  - by Phill Pafford

  I'm trying to over ride the default error message label with a div instead of a label. I have looked at this post as well and get how to do it but my limitations with CSS are haunting me. How can I display this like some of these examples: Example #1 (Dojo) - Must type invalid input to see error display Example #2 Here is some example code that overrides the error label to a div element $(document).ready(function(){ $("#myForm").validate({ rules: { "elem.1": { required: true, digits: true }, "elem.2": { required: true } }, errorElement: "div" }); }); Now I'm at a loss on the css part but here it is: div.error { position:absolute; margin-top:-21px; margin-left:150px; border:2px solid #C0C097; background-color:#fff; color:white; padding:3px; text-align:left; z-index:1; color:#333333; font:100% arial,helvetica,clean,sans-serif; font-size:15px; font-weight:bold; } UPDATE: Okay I'm using this code now but the image and the placement on the popup is larger than the border, can this be adjusted to be dynamic is height? if (element.attr('type') == 'radio' || element.attr('type') == 'checkbox') { element = element.parent(); offset = element.offset(); error.insertBefore(element) error.addClass('message'); // add a class to the wrapper error.css('position', 'absolute'); error.css('left', offset.left + element.outerWidth()); error.css('top', offset.top - (element.height() / 2)); // Not working for Radio, displays towards the bottom of the element. also need to test with checkbox } else { // Error placement for single elements offset = element.offset(); error.insertBefore(element) error.addClass('message'); // add a class to the wrapper error.css('position', 'absolute'); error.css('left', offset.left + element.outerWidth()); error.css('top', offset.top - (element.height() / 2)); } the css is the same as below (your css code) Html <span> <input type="radio" class="checkbox" value="P" id="radio_P" name="radio_group_name"/> <label for="radio_P">P</label> <input type="radio" class="checkbox" value="S" id="radio_S" name="radio_group_name"/> <label for="radio_S">S</label> </span>

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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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• iPhone: CGPDFPageRef & CGPDFPageRelease memory leak and cryptic error message

  - by carloe

  Could someone tell me why the code below outputs "missing or invalid MediaBox" in the console? The code works fine if I remove CGPDFPageRelease(page);, but then my app starts leaking like crazy. -(CGSize)dimensionOfPageAtIndex:(int)index { CGPDFPageRef page = CGPDFDocumentGetPage(pdf, index); CGRect tempRect = CGPDFPageGetBoxRect(page, kCGPDFBleedBox); CGSize tempSize = CGSizeMake(tempRect.size.width, tempRect.size.height); CGPDFPageRelease(page); return tempSize; } I also have this code in my app, and releasing the pageref here works just fine... -(UIImage *)pageAtIndex:(NSInteger)pageNumber withWidth:(CGFloat)width andHeight:(CGFloat)height { if((pageNumber>0) && (pageNumber<=pageCount)) { CGFloat scaleRatio; // multiplier by which the PDF Page will be scaled UIGraphicsBeginImageContext(CGSizeMake(width, height)); CGContextRef context = UIGraphicsGetCurrentContext(); CGPDFPageRef page = CGPDFDocumentGetPage(pdf, pageNumber); CGRect pageRect = CGPDFPageGetBoxRect(page, kCGPDFBleedBox); //Figure out the orientation of the PDF page and set the scaleRatio accordingly if(pageRect.size.width/pageRect.size.height < 1.0) { scaleRatio = height/pageRect.size.height; } else { scaleRatio = width/pageRect.size.width; } //Calculate the offset to center the image CGFloat xOffset = 0.0; CGFloat yOffset = height; if(pageRect.size.width*scaleRatio<width) { xOffset = (width/2)-(pageRect.size.width*scaleRatio/2); } else { yOffset = height-((height/2)-(pageRect.size.height*scaleRatio/2)); } CGContextTranslateCTM(context, xOffset, yOffset); CGContextScaleCTM(context, 1.0, -1.0); CGContextSaveGState(context); CGAffineTransform pdfTransform = CGPDFPageGetDrawingTransform(page, kCGPDFBleedBox, CGRectMake(0, 0, pageRect.size.width, pageRect.size.height), 0, true); pdfTransform = CGAffineTransformScale(pdfTransform, scaleRatio, scaleRatio); CGContextConcatCTM(context, pdfTransform); CGContextDrawPDFPage(context, page); CGContextRestoreGState(context); UIImage *tempImage = UIGraphicsGetImageFromCurrentImageContext(); CGContextRelease(context); CGPDFPageRelease(page); return tempImage; } return NO; }

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• James Server connection failure exception

  - by John

  Hi, I'm trying to connect Javamail application to James server, but I'm getting javax.mail.MessagingException: Could not connect to SMTP host:localhost, port:4555; nested exception is: java.net.SocketException: Invalid arguent: connect Here's the code, which is creating a little problem for me: import java.security.Security; import java.io.IOException; import java.io.PrintWriter; import java.util.Properties; import javax.mail.*; import javax.mail.internet.*; public class mail { public static void main(String[] argts) { Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider()); String mailHost = "your.smtp.server"; String to = "blue@localhost"; String from = "red@localhost"; String subject = "jdk"; String body = "Down to wind"; if ((from != null) && (to != null) && (subject != null) && (body != null)) // we have mail to send { try { //Get system properties Properties props = System.getProperties(); props.put("mail.smtp.user", "red"); props.put("mail.smtp.host", "localhost"); props.put("mail.debug", "true"); props.put("mail.smtp.port", 4555); props.put("mail.smtp.socketFactory.port", 4555); props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory"); props.put("mail.smtp.socketFactory.fallback", "false"); Session session = Session.getInstance(props,null); Message message = new MimeMessage(session); message.setFrom(new InternetAddress(from)); message.setRecipients(Message.RecipientType.TO, new InternetAddress[] { new InternetAddress(to) }); message.setSubject(subject); message.setContent(body, "text/plain"); message.setText(body); Transport.send(message); System.out.println("<b>Thank you. Your message to " + to + " was successfully sent.</b>"); } catch (Throwable t) { System.out.println("Teri maa ki "+t); } } } } Thanks in advance. :)

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• Facebook Connect: Error when clicking the Facebook Connect button

  - by Garrett

  I am getting this error when I click on the facebook connect button: API Error Code: 100 API Error Description: Invalid parameter Error Message: next is not owned by the application. I am not too sure how to do this, but I've read all the documentation for facebook connect and came up with this: <?php date_default_timezone_set("America/Toronto"); define('FACEBOOK_APP_ID', '##################'); define('FACEBOOK_SECRET', 'XXXXXXXXXXXXXXXXXXXXXXXXXXXXX'); function get_facebook_cookie($app_id, $application_secret) { if(!isset($_COOKIE['fbs_' . $app_id])) return null; $args = array(); parse_str(trim($_COOKIE['fbs_' . $app_id], '\\"'), $args); ksort($args); $payload = ''; foreach ($args as $key => $value) { if ($key != 'sig') { $payload .= $key . '=' . $value; } } if (md5($payload . $application_secret) != $args['sig']) { return null; } return $args; } $cookie = get_facebook_cookie(FACEBOOK_APP_ID, FACEBOOK_SECRET); ?> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:fb="http://www.facebook.com/2008/fbml"> <head> <!-- JQUERY INCLUDE --> <script src="js/jquery-1.4.2.min.js" type="text/javascript"></script> <!-- FACEBOOK CONNECT INCLUDE --> <script src="http://static.ak.connect.facebook.com/js/api_lib/v0.4/FeatureLoader.js.php/en_US" type="text/javascript"></script> <script type="text/javascript"> <!-- $(document).load(function() { }); FB.init("XXXXXXXXXXXXXXXXXXXXXXx ", "xd_receiver.htm"); FB.Event.subscribe('auth.login', function(response) { window.location.reload(); }); function facebook_onlogin() { FB.getLoginStatus(function(response) { if (response.session) { // logged in and connected user, someone you know fb_login.hide(); } else { // no user session available, someone you dont know } }); } // --> </script> </head> <body> <div id="fb_login"> <fb:login-button onlogin="facebook_onlogin();" v="2">Log In with Facebook</fb:login-button> </div> <?php $user = json_decode(file_get_contents( 'https://graph.facebook.com/me?access_token=' . $cookie['access_token']))->id; ?> </body> </html> how on earth can i get this to work? thanks!

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• One-to-one Mapping issue with NHibernate/Fluent: Foreign Key not updateing

  - by Trevor

  Summary: Parent and Child class. One to one relationship between the Parent and Child. Parent has a FK property which references the primary key of the Child. Code as follows: public class NHTestParent { public virtual Guid NHTestParentId { get; set; } public virtual Guid ChildId { get { return ChildRef.NHTestChildId; } set { } } public virtual string ParentName { get; set; } protected NHTestChild _childRef; public virtual NHTestChild ChildRef { get { if (_childRef == null) _childRef = new NHTestChild(); return _childRef; } set { _childRef = value; } } } public class NHTestChild { public virtual Guid NHTestChildId { get; set; } public virtual string ChildName { get; set; } } With the following Fluent mappings: Parent Mapping Id(x => x.NHTestParentId); Map(x => x.ParentName); Map(x => x.ChildId); References(x => x.ChildRef, "ChildId").Cascade.All(); Child Mapping: Id(x => x.NHTestChildId); Map(x => x.ChildName); If I do something like (pseudo code) ... HTestParent parent = new NHTestParent(); parent.ParentName = "Parent 1"; parent.ChildRef.ChildName = "Child 1"; nhibernateSession.SaveOrUpdate(aParent); Commit; ... I get an error: "Invalid index 3 for this SqlParameterCollection with Count=3" If I change the parent 'References' line as follows (i.e. provide the name of the child property I'm pointing at): References(x => x.ChildRef, "ChildId").PropertyRef("NHTestChildId").Cascade.All(); I get the error: "Unable to resolve property: NHTestChildId" So, I tried the 'HasOne()' reference setting, as follows: HasOne<NHTestChild>(x => x.ChildRef).ForeignKey("ChildId").Cascade.All().Fetch.Join(); This results in the save working, but the load fails to find the child. If I inspect the SQL Nhibernate produces I can see that NHibernate is assuming the Primary key of the parent is the link to the child (i.e. load join condition is "parent.NHTestParentId = child.NHTestChildId). The 'ForeignKey' specified appears to be ignored. I can set any value and no error occurs - the join just always fails and no child is returned. I've tried a number of slight variations on the above. It seems like it should be a simple thing to achieve. Any ideas?

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• Error during maven/ant build: "[java] Timestamp response not valid"

  - by fei

  My maven build started failing randomly, and it got the following error which I cannot make sense of, and googling it doesn't give me anything useful: [echo] Creating a full package... [java] Timestamp response not valid [INFO] ------------------------------------------------------------------------ [ERROR] BUILD ERROR [INFO] ------------------------------------------------------------------------ [INFO] Failed to execute: Executing Ant script: /airtest.build.xml [package-admin-air]: Failed to execute. Java returned: 10 [exec] [DEBUG] Trace [exec] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute: Executing Ant script: /airtest.build.xml [package-admin-air]: Failed to execute. [exec] at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:719) [exec] at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556) [exec] at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535) [exec] at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387) [exec] at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348) [exec] at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180) [exec] at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328) [exec] at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138) [exec] at org.apache.maven.cli.MavenCli.main(MavenCli.java:362) [exec] at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60) [exec] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [exec] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) [exec] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) [exec] at java.lang.reflect.Method.invoke(Method.java:597) [exec] at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315) [exec] at org.codehaus.classworlds.Launcher.launch(Launcher.java:255) [exec] at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430) [exec] at org.codehaus.classworlds.Launcher.main(Launcher.java:375) [exec] Caused by: org.apache.maven.plugin.MojoExecutionException: Failed to execute: Executing Ant script: /airtest.build.xml [package-admin-air]: Failed to execute. [exec] at org.apache.maven.script.ant.AntMojoWrapper.execute(AntMojoWrapper.java:56) [exec] at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490) [exec] at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694) [exec] ... 17 more [exec] Caused by: org.codehaus.plexus.component.factory.ant.AntComponentExecutionException: Executing Ant script: /airtest.build.xml [package-admin-air]: Failed to execute. [exec] at org.codehaus.plexus.component.factory.ant.AntScriptInvoker.invoke(AntScriptInvoker.java:227) [exec] at org.apache.maven.script.ant.AntMojoWrapper.execute(AntMojoWrapper.java:52) [exec] ... 19 more [exec] Caused by: C:\Users\dev\plexus-ant-component4263631821803364095.build.xml:445: Java returned: 10 [exec] at org.apache.tools.ant.taskdefs.Java.execute(Java.java:87) [exec] at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:275) [exec] at org.apache.tools.ant.Task.perform(Task.java:364) [exec] at org.apache.tools.ant.Target.execute(Target.java:341) [exec] at org.apache.tools.ant.Target.performTasks(Target.java:369) [exec] at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1216) [exec] at org.apache.tools.ant.Project.executeTarget(Project.java:1185) [exec] at org.codehaus.plexus.component.factory.ant.AntScriptInvoker.invoke(AntScriptInvoker.java:222) This is a random error that pops up in various point during the build process, and sometimes the build will succeed and then the next one will fail again. This is really weird, does anyone seen this before? I'm using maven 2.2.1 BTW, the error return code 10 in windows mean "Environment is invalid.

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• rspec & rails 3 cannot find model object

  - by Ceilingfish

  I'm trying to put some specs around a new rails 3 project I am working on, and my first test doesn't seem to be able to find a model. I've installed rspec from the command line using: sudo gem install rspec --pre and then I put the following in my Gemfile gem "rspec-rails", ">= 2.0.0.beta.1" But when I run my test I get ./spec/models/world_spec.rb:1: uninitialized constant World (NameError) rake aborted! Command /opt/local/bin/ruby -Ilib -Ispec "./spec/models/world_spec.rb" failed /opt/local/lib/ruby/gems/1.8/gems/rspec-core-2.0.0.beta.4/lib/rspec/core/rake_task.rb:71:in `define' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1112:in `verbose' /opt/local/lib/ruby/gems/1.8/gems/rspec-core-2.0.0.beta.4/lib/rspec/core/rake_task.rb:57:in `send' /opt/local/lib/ruby/gems/1.8/gems/rspec-core-2.0.0.beta.4/lib/rspec/core/rake_task.rb:57:in `define' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `call' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:636:in `execute' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `each' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:631:in `execute' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:597:in `invoke_with_call_chain' /opt/local/lib/ruby/1.8/monitor.rb:242:in `synchronize' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:590:in `invoke_with_call_chain' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:583:in `invoke' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2051:in `invoke_task' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `each' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2029:in `top_level' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2023:in `top_level' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2001:in `run' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:2068:in `standard_exception_handling' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/lib/rake.rb:1998:in `run' /opt/local/lib/ruby/gems/1.8/gems/rake-0.8.7/bin/rake:31 /opt/local/bin/rake:19:in `load' /opt/local/bin/rake:19 My spec is in spec/models/world_spec.rb, and looks like describe World, "#hello" do it "should be invalid" do World.new.should be_invalid? end end I tried adding a line like require "app/model/world" and require "world" but to no success. Does anyone know what I'm doing wrong?

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• .NET Interface with AutoCAD -- SetXData errors.

  - by Jerry

  I am trying to use the SetXData method on the AutoCAD 2007 COM object, but it is throwing errors. Example Test: public AcadEntity getAcadEntity() { /// ... Basic code to return a single AutoCAD entity... } private void btnTagItem_Click(object sender, EventArgs e) { AcadEntity ent = getAcadEntity(); short[] xDataType; string[] xDataStrings; DrawingXData xData = new DrawingXData(); xData.field1 = "Some Text Goes here"; xData.field2 = 1; xData.field3 = 100; xData.field4 = 1509.2; xData.field5 = "More Text"; BuildXData("AutoCad_App_Name", xData, out xDataType, out xDataStrings); ent.SetXData(xDataType, xDataStrings); // This line crashes. } private void BuildXData(string applicationName, DrawingXData xData, out short[] xDataType, out string[] xDataStrings) { List<short> dataTypes = new List<short>(); List<string> dataStrings = new List<string>(); /// Code types... /// 1000 == String up to 255 bytes /// 1001 == Application Name // Set Applicaiton Name dataTypes.Add(1001); dataStrings.Add(applicationName); // Set Application Data dataTypes.Add(1000); dataStrings.Add(xData.field1.ToString()); dataTypes.Add(1000); dataStrings.Add(xData.field2.ToString()); dataTypes.Add(1000); dataStrings.Add(xData.field3.ToString()); dataTypes.Add(1000); dataStrings.Add(xData.field4.ToString()); dataTypes.Add(1000); dataStrings.Add(xData.field5.ToString()); // ... etc. xDataType = dataTypes.ToArray(); xDataStrings = dataStrings.ToArray(); } The error I get is "Invalid argument data in SetXData method". The error code (if this helps anyone) is -2145320939. The main reason I'm posting is because the same code in a very old VB6 application works just fine. I'm stumped.

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• RuntimeBinderException with dynamic in C# 4.0

  - by Terence Lewis

  I have an interface: public abstract class Authorizer<T> where T : RequiresAuthorization { public AuthorizationStatus Authorize(T record) { // Perform authorization specific stuff // and then hand off to an abstract method to handle T-specific stuff // that should happen when authorization is successful } } Then, I have a bunch of different classes which all implement RequiresAuthorization, and correspondingly, an Authorizer<T> for each of them (each business object in my domain requires different logic to execute once the record has been authorized). I'm also using a UnityContainer, in which I register various Authorizer<T>'s. I then have some code as follows to find the right record out of the database and authorize it: void Authorize(RequiresAuthorization item) { var dbItem = ChildContainer.Resolve<IAuthorizationRepository>() .RetrieveRequiresAuthorizationById(item.Id); var authorizerType = type.GetType(String.Format("Foo.Authorizer`1[[{0}]], Foo", dbItem.GetType().AssemblyQualifiedName)); dynamic authorizer = ChildContainer.Resolve(type) as dynamic; authorizer.Authorize(dbItem); } Basically, I'm using the Id on the object to retrieve it out of the database. In the background NHibernate takes care of figuring out what type of RequiresAuthorization it is. I then want to find the right Authorizer for it (I don't know at compile time what implementation of Authorizer<T> I need, so I've got a little bit of reflection to get the fully qualified type). To accomplish this, I use the non-generic overload of UnityContainer's Resolve method to look up the correct authorizer from configuration. Finally, I want to call Authorize on the authorizer, passing through the object I've gotten back from NHibernate. Now, for the problem: In Beta2 of VS2010 the above code works perfectly. On RC and RTM, as soon as I make the Authorize() call, I get a RuntimeBinderException saying "The best overloaded method match for 'Foo.Authorizer<Bar>.Authorize(Bar)' has some invalid arguments". When I inspect the authorizer in the debugger, it's the correct type. When I call GetType().GetMethods() on it, I can see the Authorize method which takes a Bar. If I do GetType() on dbItem it is a Bar. Because this worked in Beta2 and not in RC, I assumed it was a regression (it seems like it should work) and I delayed sorting it out until after I'd had a chance to test it on the RTM version of C# 4.0. Now I've done that and the problem still persists. Does anybody have any suggestions to make this work? Thanks Terence

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