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• ISP 5 Device Limit ... again

  - by Tommo

  Sorry for the delay in responding to the suggestions that were posted in my first question (ISP 5 Device Limit - double NAT the solution?). I've been travelling and have not been able to try anything. Below is what I've tried and where I have not been successful. Any more help gratefully appreciated. I figure I need to give a more comprehensive overview of what I've got and how it's set up. First of all - I am using all Apple products here. I am iMac, iPad, iPhone, Apple TV, Airport Express and Time Capsule. I used to like the way that it 'just worked'. Now I find that it requires a bit of encouragement before it 'just works'. So, as I stated in my original question; my ISP has a router in my building that is limiting me to 5 devices. I am hard wired into this router and I can neither access it physically nor logically (they won't let me access it). Also, I only appear to be able to connect to it through the LAN ports on my Time Capsule. Any device I connect appears to be on a rolling IP list with the following settings: Router 91.72.80.1 Devices then get assigned IPv4 addresses in the range (as far as I can see) from 91.72.80.2 onwards. SubNet Mask 255.255.255.0 DNS Servers 213.132.63.25, 80.227.2.4 I have my Time Capsule / Router in Bridge-Mode which means I am limited to the 5 devices and cannot use Guest Networks etc. What I've tried today. Static IPs: On all devices, I went from DHCP to Static and put in the same information when they had connected using DHCP. Somewhat surprisingly this did not work. None of the devices enjoyed any connection to the router and certainly no internet connection. Intentional Double-NAT - Time Capsule to 'DHCP and NAT': By selecting DHCP and NAT on my Router I was able to connect devices to my Time Capsule in the range 10.0.1.2 to 10.0.1.200. This offered no internet connectivity and didn't really help the situation. In this mode, however, I was able to force the devices - individually and laboriously - to look for the Router and previously listed DNSs by inputting the numbers from 'Bridge-mode' into the STATIC settings and then resetting the connection. The Router then appeared to assign a distinct IP address to the device and it worked on the network. I had this working for more than 5 devices. However, this is not a great solution because as soon as one of the mobile devices left the building it needed repointing to the Router. The connections were also not very stable. Especially when trying to hold onto a VPN. Spoofing a few MAC addresses: I'm afraid I don't really know what this would achieve, nor how to do it on an Apple device… So … I'm almost back at Square One. I have had to withdraw to the Bridge-Mode position again with the 5 device limit to see if there's a better course of action to follow. ANY help would be much appreciated. I am positive that I cannot be the only one suffering under this 5 device limit!

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• MySQL reserves too much RAM

  - by Buddy

  I have a cheap VPS with 128Mb RAM and 256Mb burst. MySQL starts and reserves about 110Mb, but uses not more than 20Mb of them. My VPS Control Panel shows, that I use 127Mb (I also running nginx and sphinx), I know, that it shows reserved RAM, but when I reach over 128Mb, my VPS reboots automatically every 4 hours. So I want to force MySQL to reserve less RAM. How can i do that? I did some tweaks with my.conf but it helped not so much. top output: PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 1 root 15 0 2156 668 572 S 0.0 0.3 0:00.03 init 11311 root 15 0 11212 356 228 S 0.0 0.1 0:00.00 vzctl 11312 root 18 0 3712 1484 1248 S 0.0 0.6 0:00.01 bash 11347 root 18 0 2284 916 732 R 0.0 0.3 0:00.00 top 13978 root 17 -4 2248 552 344 S 0.0 0.2 0:00.00 udevd 14262 root 15 0 1812 564 472 S 0.0 0.2 0:00.03 syslogd 14293 sphinx 15 0 11816 1172 672 S 0.0 0.4 0:00.07 searchd 14305 root 25 0 7192 1036 636 S 0.0 0.4 0:00.00 sshd 14321 root 25 0 2832 836 668 S 0.0 0.3 0:00.00 xinetd 15389 root 18 0 3708 1300 1132 S 0.0 0.5 0:00.00 mysqld_safe 15441 mysql 15 0 113m 16m 4440 S 0.0 6.4 0:00.15 mysqld 15489 root 21 0 13056 1456 340 S 0.0 0.6 0:00.00 nginx 15490 nginx 18 0 13328 2388 992 S 0.0 0.9 0:00.06 nginx 15507 nginx 25 0 19520 5888 4244 S 0.0 2.2 0:00.00 php-cgi 15508 nginx 18 0 19636 4876 2748 S 0.0 1.9 0:00.12 php-cgi 15509 nginx 15 0 19668 4872 2716 S 0.0 1.9 0:00.11 php-cgi 15518 root 18 0 4492 1116 568 S 0.0 0.4 0:00.01 crond MySQL tuner: >> MySQLTuner 1.0.1 - Major Hayden <[email protected]> >> Bug reports, feature requests, and downloads at http://mysqltuner.com/ >> Run with '--help' for additional options and output filtering Please enter your MySQL administrative login: root Please enter your MySQL administrative password: -------- General Statistics -------------------------------------------------- [--] Skipped version check for MySQLTuner script [OK] Currently running supported MySQL version 5.0.77 [OK] Operating on 32-bit architecture with less than 2GB RAM -------- Storage Engine Statistics ------------------------------------------- [--] Status: -Archive -BDB -Federated +InnoDB -ISAM -NDBCluster [--] Data in InnoDB tables: 1M (Tables: 1) [OK] Total fragmented tables: 0 -------- Performance Metrics ------------------------------------------------- [--] Up for: 38m 43s (37 q [0.016 qps], 20 conn, TX: 4M, RX: 3K) [--] Reads / Writes: 100% / 0% [--] Total buffers: 28.1M global + 832.0K per thread (100 max threads) [OK] Maximum possible memory usage: 109.4M (42% of installed RAM) [OK] Slow queries: 0% (0/37) [OK] Highest usage of available connections: 1% (1/100) [OK] Key buffer size / total MyISAM indexes: 128.0K/64.0K [OK] Query cache efficiency: 42.1% (8 cached / 19 selects) [OK] Query cache prunes per day: 0 [!!] Temporary tables created on disk: 27% (3 on disk / 11 total) [!!] Thread cache is disabled [OK] Table cache hit rate: 57% (8 open / 14 opened) [OK] Open file limit used: 1% (12/1K) [OK] Table locks acquired immediately: 100% (22 immediate / 22 locks) [!!] Connections aborted: 10% [OK] InnoDB data size / buffer pool: 1.5M/8.0M -------- Recommendations ----------------------------------------------------- General recommendations: MySQL started within last 24 hours - recommendations may be inaccurate Enable the slow query log to troubleshoot bad queries When making adjustments, make tmp_table_size/max_heap_table_size equal Reduce your SELECT DISTINCT queries without LIMIT clauses Set thread_cache_size to 4 as a starting value Your applications are not closing MySQL connections properly Variables to adjust: tmp_table_size (> 32M) max_heap_table_size (> 16M) thread_cache_size (start at 4) I think if I do what MySQLtuner says, MySQL will use more RAM.

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• Network update solutions for a company of ~20 (5 local, 15 remote)?

  - by Margaret

  Hi all This is probably going to be a bit up in the air, because we're still in the "reaching towards solutions" phase, but I figured I'd see what you guys had to say. Plus I honestly know very little about systems and what is good and bad pratice. My organisation has always more or less worked on the concept of local machines; since it primarily employed contractors who were working from home, each of those people was largely responsible for their own machine and backup procedures and the like. We're now expanding, though we're still reasonably small (we're up to about 20 staff members). Most people still work remotely, but we have a central office where about five people are working. But we're getting large enough that we're starting to think it would be a good idea to have a central file server, and things like that - if someone gets hit by a bus, we want someone else to know where to look for the files to continue their work. A lot of the people who work for us remotely work on projects for other companies as well, so I don't want to force them to log in to our server whenever they're on a network. But I do want to make connection to be as painless as possible to do so, to improve utilisation. The other thing is that we're getting more people who would like to remote into the office server and do their work there. Our current remote connection application is an SSH install that allows people access to the network; the problem is, it's a black box to me, and I've never understood how to even connect to it (despite supposedly being de facto sysadmin). Thus far I've been able to bounce questions about how to get it working to the guy who does know it well, but he's leaving the company soon. So we probably need a solution for this that I actually understand. We were knocking around the idea of implementing a VPN with some form of remote desktop, and someone mentioned that this was largely a matter of purchasing a router capable of it; I'm not sure of the truth of that statement. This is what we have in the office: Two shiny new i7 servers, each running Windows Server 2008. Precise eventual layout is still being debated, a little, but the current suggestion is that one is primary database crunching, while the other is a warm backup of the databases, along with running Reporting Services. They currently have SQL Server 2008 installed on them, which is being connected to via the 'sa' account. We're hoping to make each person use their own account (preferably one tied to the 'central' password we set up, so we can use Windows Authentication). An older server, running XP Pro, that we are currently using as a test bed for a project that requires access to older versions of software. This machine is also being used to take backups, but I'm thinking of moving that functionality elsewhere. A spare desktop from a guy who left the company (XP Pro). We're thinking of bumping up the hard disk space and using it as the magical file server that's going to solve one particular everything. Assorted desktops, laptops, etc, at least one for each person in the office (mix of Win XP and Win 7; occasionally a person who normally works remotely might drop in to the office and bring a laptop bearing Vista, but it's pretty rare). All are set up as local user accounts at the moment; I don't know if it's the best arrangement. Purchasing more hardware is not a big problem, but we figure we might as well make use of what we've got first. Is Active Directory a big magic wand that's going to solve all the world's problems? Is there some other arrangement we should be looking to instead?

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• nginx + php-fpm - where are my $_GET params?

  - by egis

  I have a strange problem here. I just moved from apache + mod_php to nginx + php-fpm. Everything went fine except this one problem. I have a site, let's say example.com. When I access it like example.com?test=get_param $_SERVER['REQUEST_URI'] is /?test=get_param and there is a $_GET['test'] also. But when I access example.com/ajax/search/?search=get_param $_SERVER['REQUEST_URI'] is /ajax/search/?search=get_param yet there is no $_GET['search'] (there is no $_GET array at all). I'm using Kohana framework. which routes /ajax/search to controller, but I've put phpinfo() at index.php so I'm checking for $_GET variables before framework does anything (this means that disapearing get params aren't frameworks fault). My nginx.conf is like this worker_processes 4; pid logs/nginx.pid; events { worker_connections 1024; } http { index index.html index.php; autoindex on; autoindex_exact_size off; include mime.types; default_type application/octet-stream; server_names_hash_bucket_size 128; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log logs/access.log main; error_log logs/error.log debug; sendfile on; tcp_nopush on; tcp_nodelay off; keepalive_timeout 2; gzip on; gzip_comp_level 2; gzip_proxied any; gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript; include sites-enabled/*; } and example.conf is like this server { listen 80; server_name www.example.com; rewrite ^ $scheme://example.com$request_uri? permanent; } server { listen 80; server_name example.com; root /var/www/example/; location ~ /\. { return 404; } location / { try_files $uri $uri/ /index.php; } location ~ \.php$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include /usr/local/nginx/conf/fastcgi_params; } location ~* ^/(modules|application|system) { return 403; } # serve static files directly location ~* ^.+.(jpg|jpeg|gif|css|png|js|ico|html|xml|txt)$ { access_log off; expires 30d; } } fastcgi_params is like this fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_param SCRIPT_NAME $fastcgi_script_name; fastcgi_param REQUEST_URI $request_uri; fastcgi_param DOCUMENT_URI $document_uri; fastcgi_param DOCUMENT_ROOT $document_root; fastcgi_param SERVER_PROTOCOL $server_protocol; fastcgi_param GATEWAY_INTERFACE CGI/1.1; fastcgi_param SERVER_SOFTWARE nginx/$nginx_version; fastcgi_param REMOTE_ADDR $remote_addr; fastcgi_param REMOTE_PORT $remote_port; fastcgi_param SERVER_ADDR $server_addr; fastcgi_param SERVER_PORT $server_port; fastcgi_param SERVER_NAME $server_name; # PHP only, required if PHP was built with --enable-force-cgi-redirect fastcgi_param REDIRECT_STATUS 200; fastcgi_connect_timeout 60; fastcgi_send_timeout 180; fastcgi_read_timeout 180; fastcgi_buffer_size 128k; fastcgi_buffers 4 256k; fastcgi_busy_buffers_size 256k; fastcgi_temp_file_write_size 256k; fastcgi_intercept_errors on; fastcgi_param QUERY_STRING $query_string; fastcgi_param PATH_INFO $fastcgi_path_info; What is the problem here? By the way there are few more sites on the same server, both Kohana based and plain php, that are working perfectly.

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• nginx + php-fpm - where are my $_GET params?

  - by egis

  Hello everyone, I have a strange problem here. I just moved from apache + mod_php to nginx + php-fpm. Everything went fine except this one problem. I have a site, let's say example.com. When I access it like example.com?test=get_param $_SERVER['REQUEST_URI'] is /?test=get_param and there is a $_GET['test'] also. But when I access example.com/ajax/search/?search=get_param $_SERVER['REQUEST_URI'] is /ajax/search/?search=get_param yet there is no $_GET['search'] (there is no $_GET array at all). I'm using Kohana framework. which routes /ajax/search to controller, but I've put phpinfo() at index.php so I'm checking for $_GET variables before framework does anything (this means that disapearing get params aren't frameworks fault). My nginx.conf is like this worker_processes 4; pid logs/nginx.pid; events { worker_connections 1024; } http { index index.html index.php; autoindex on; autoindex_exact_size off; include mime.types; default_type application/octet-stream; server_names_hash_bucket_size 128; log_format main '$remote_addr - $remote_user [$time_local] "$request" ' '$status $body_bytes_sent "$http_referer" ' '"$http_user_agent" "$http_x_forwarded_for"'; access_log logs/access.log main; error_log logs/error.log debug; sendfile on; tcp_nopush on; tcp_nodelay off; keepalive_timeout 2; gzip on; gzip_comp_level 2; gzip_proxied any; gzip_types text/plain text/css application/x-javascript text/xml application/xml application/xml+rss text/javascript; include sites-enabled/*; } and example.conf is like this server { listen 80; server_name www.example.com; rewrite ^ $scheme://example.com$request_uri? permanent; } server { listen 80; server_name example.com; root /var/www/example/; location ~ /\. { return 404; } location / { try_files $uri $uri/ /index.php; } location ~ \.php$ { fastcgi_pass 127.0.0.1:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name; include /usr/local/nginx/conf/fastcgi_params; } location ~* ^/(modules|application|system) { return 403; } # serve static files directly location ~* ^.+.(jpg|jpeg|gif|css|png|js|ico|html|xml|txt)$ { access_log off; expires 30d; } } fastcgi_params is like this fastcgi_param QUERY_STRING $query_string; fastcgi_param REQUEST_METHOD $request_method; fastcgi_param CONTENT_TYPE $content_type; fastcgi_param CONTENT_LENGTH $content_length; fastcgi_param SCRIPT_NAME $fastcgi_script_name; fastcgi_param REQUEST_URI $request_uri; fastcgi_param DOCUMENT_URI $document_uri; fastcgi_param DOCUMENT_ROOT $document_root; fastcgi_param SERVER_PROTOCOL $server_protocol; fastcgi_param GATEWAY_INTERFACE CGI/1.1; fastcgi_param SERVER_SOFTWARE nginx/$nginx_version; fastcgi_param REMOTE_ADDR $remote_addr; fastcgi_param REMOTE_PORT $remote_port; fastcgi_param SERVER_ADDR $server_addr; fastcgi_param SERVER_PORT $server_port; fastcgi_param SERVER_NAME $server_name; # PHP only, required if PHP was built with --enable-force-cgi-redirect fastcgi_param REDIRECT_STATUS 200; fastcgi_connect_timeout 60; fastcgi_send_timeout 180; fastcgi_read_timeout 180; fastcgi_buffer_size 128k; fastcgi_buffers 4 256k; fastcgi_busy_buffers_size 256k; fastcgi_temp_file_write_size 256k; fastcgi_intercept_errors on; fastcgi_param QUERY_STRING $query_string; fastcgi_param PATH_INFO $fastcgi_path_info; What is the problem here? By the way there are few more sites on the same server, both Kohana based and plain php, that are working perfectly.

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• Monitor randomly shutting down, computer accepting no input, need to restart to get working

  - by Sebastian Lamerichs

  First off, spec list: OS: Windows 7 Ultimate 64-bit SP1 CPU: i7-4820k @ 3.7GHz (stock) GPU: Two 3GB Radeon HD 7970s @ 1.05GHz Mobo: AsRock X79 Extreme6 HDD: 2TB Seagate Barracuda 7200rpm RAM: 16GB quad-channel Kingston 1600MHz PSU: Antec HCG 900W Monitors: Acer S220HQL 1920x1080 + ViewSonic VA2251 1920x1080. Plugged into different GPUs. My problem is that, on a daily-ish basis, my monitors will turn off and not turn back on. My computer will still be running, GPU/CPU/case fans all still going, but the monitors will not turn back on. Additionally, it seems to cease all network activity. It doesn't seem to log any errors at all. I've verified that this is not a monitor issue, as when I press the num/caps/scroll lock buttons on my keyboard, the lights don't change, so the computer is clearly not accepting input. I have noticed a few other people on the internet with this problem, and some have claimed that it was solved by disabling PCI-Express Link State Power Management, but the issue still occurs for me after this. Whilst my CPU and GPUs both run at 100% 24/7, the temperatures are certainly not at dangerous levels, with the CPU averaging 65°C and the GPUs at 70°C and 78°C average. All components are brand new. I have tried forcing MSI Afterburner to start when Windows starts and to force a constant voltage, as this fixed the issue for a few days for another user, but he reported back saying that it had stopped working properly again, so I'm not putting too much faith in this working. Many people have said to adjust display sleep mode settings, but this will clearly not work, as the keyboard lights would still work if the monitors were the issue. The closest I can get to a log file for this issue is the following Folding@Home logs: 14:45:21:WU01:FS00:0x17:Completed 1120000 out of 2000000 steps (56%) 14:46:43:WU00:FS01:0x17:Completed 480000 out of 2000000 steps (24%) 14:46:49:WU01:FS00:0x17:Completed 1140000 out of 2000000 steps (57%) 14:48:30:WU01:FS00:0x17:Completed 1160000 out of 2000000 steps (58%) 14:49:55:WU01:FS00:0x17:Completed 1180000 out of 2000000 steps (59%) As you can see, the second GPU (FS01) stops computation approximately three and a half minutes before the issue occurs (it should be completing 1% every 80-120 seconds), and the first GPU (FS00) continues for a few minutes more before the logs just end. As far as I can tell, the computer has a network failure at the time the first GPU stops working, the latest IRC message I received from this time was at 14:47:58. That being said, there could have just not been any messages between then and 14:50:00, so I'm going to be connecting a laptop to the same bouncer to double-check if it happens again. The GPUs functioned perfectly well in another computer for a significant period of time, so I'm fairly confident that they aren't the issue, which means that this is being caused by either software or the motherboard, or possibly RAM. I really hope it's software. I heard from a forum board that there was a patch from Microsoft that fixed this problem, but "I've forgot which KB it was or the google search terms I used to find the patch, LOL.", so that's not much help. Haven't seen it mentioned by anyone else on about a dozen threads about this issue either. The computer is plugged in via a surge-protected power board, and I've run several other computers and pieces of hardware through it with no issues, so that is not the cause. I have just set the hard disk to never turn off, although I don't believe that that will solve the issue. Strangely, this has only happened when I'm not at the computer (which is actually a minority of the time). Until today it had only happened when I had not been actively using the computer for 6 hours, but today it happened within 10-30 minutes of me last using the computer actively. I have enabled file logging from MSI Afterburner, so hopefully this will shed some light on the issue, but I'm not too optimistic. I've heard that it could be a motherboard problem, but I figured I should ask around before RMAing it. Any help?

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• WPF CommandParameter is NULL first time CanExecute is called

  - by Jonas Follesø

  I have run into an issue with WPF and Commands that are bound to a Button inside the DataTemplate of an ItemsControl. The scenario is quite straight forward. The ItemsControl is bound to a list of objects, and I want to be able to remove each object in the list by clicking a Button. The Button executes a Command, and the Command takes care of the deletion. The CommandParameter is bound to the Object I want to delete. That way I know what the user clicked. A user should only be able to delete their "own" objects - so I need to do some checks in the "CanExecute" call of the Command to verify that the user has the right permissions. The problem is that the parameter passed to CanExecute is NULL the first time it's called - so I can't run the logic to enable/disable the command. However, if I make it allways enabled, and then click the button to execute the command, the CommandParameter is passed in correctly. So that means that the binding against the CommandParameter is working. The XAML for the ItemsControl and the DataTemplate looks like this: <ItemsControl x:Name="commentsList" ItemsSource="{Binding Path=SharedDataItemPM.Comments}" Width="Auto" Height="Auto"> <ItemsControl.ItemTemplate> <DataTemplate> <StackPanel Orientation="Horizontal"> <Button Content="Delete" FontSize="10" Command="{Binding Path=DataContext.DeleteCommentCommand, ElementName=commentsList}" CommandParameter="{Binding}" /> </StackPanel> </DataTemplate> </ItemsControl.ItemTemplate> </ItemsControl> So as you can see I have a list of Comments objects. I want the CommandParameter of the DeleteCommentCommand to be bound to the Command object. So I guess my question is: have anyone experienced this problem before? CanExecute gets called on my Command, but the parameter is always NULL the first time - why is that? Update: I was able to narrow the problem down a little. I added an empty Debug ValueConverter so that I could output a message when the CommandParameter is data bound. Turns out the problem is that the CanExecute method is executed before the CommandParameter is bound to the button. I have tried to set the CommandParameter before the Command (like suggested) - but it still doesn't work. Any tips on how to control it. Update2: Is there any way to detect when the binding is "done", so that I can force re-evaluation of the command? Also - is it a problem that I have multiple Buttons (one for each item in the ItemsControl) that bind to the same instance of a Command-object? Update3: I have uploaded a reproduction of the bug to my SkyDrive: http://cid-1a08c11c407c0d8e.skydrive.live.com/self.aspx/Code%20samples/CommandParameterBinding.zip

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• Troubleshooting .NET "Fatal Execution Engine Error"

  - by JYelton

  Summary: I periodically get a .NET Fatal Execution Engine Error on an application which I cannot seem to debug. The dialog that comes up only offers to close the program or send information about the error to Microsoft. I've tried looking at the more detailed information but I don't know how to make use of it. Error: The error is visible in Event Viewer under Applications and is as follows: .NET Runtime version 2.0.50727.3607 - Fatal Execution Engine Error (7A09795E) (80131506) The computer running it is Windows XP Professional SP 3. (Intel Core2Quad Q6600 2.4GHz w/ 2.0 GB of RAM) Other .NET-based projects that lack multi-threaded downloading (see below) seem to run just fine. Application: The application is written in C#/.NET 3.5 using VS2008, and installed via a setup project. The app is multi-threaded and downloads data from multiple web servers using System.Net.HttpWebRequest and its methods. I've determined that the .NET error has something to do with either threading or HttpWebRequest but I haven't been able to get any closer as this particular error seems impossible to debug. I've tried handling errors on many levels, including the following in Program.cs: // handle UI thread exceptions Application.ThreadException += new ThreadExceptionEventHandler(Application_ThreadException); // handle non-UI thread exceptions AppDomain.CurrentDomain.UnhandledException += new UnhandledExceptionEventHandler(CurrentDomain_UnhandledException); Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); // force all windows forms errors to go through our handler Application.SetUnhandledExceptionMode(UnhandledExceptionMode.CatchException); More Notes and What I've Tried... Installed Visual Studio 2008 on the target machine and tried running in debug mode, but the error still occurs, with no hint as to where in source code it occurred. When running the program from its installed version (Release) the error occurs more frequently, usually within minutes of launching the application. When running the program in debug mode inside of VS2008, it can run for hours or days before generating the error. Reinstalled .NET 3.5 and made sure all updates are applied. Broke random cubicle objects in frustration. Rewritten parts of code that deal with threading and downloading in attempts to catch and log exceptions, though logging seemed to aggravate the problem (and never provided any data). Question: What steps can I take to troubleshoot or debug this kind of error? Memory dumps and the like seem to be the next step, but I'm not experienced at interpreting them. Perhaps there's something more I can do in the code to try and catch errors... It would be nice if the "Fatal Execution Engine Error" was more informative, but internet searches have only told me that it's a common error for a lot of .NET-related items.

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• Postgres user drop

  - by Grasper

  I am trying to drop a user: drop user testUser; I want to force this to work in a simple manner (Not a million calls)... How can I do this easily? I get this output: ERROR: role "testUser" cannot be dropped because some objects depend on it DETAIL: access to table main.tap_db_version access to table main.user_instance access to table main.target_type access to table main.status_code access to table main.state_space_profile access to table main.service_subscription access to table main.service_instance access to table main.sa_ordnance_weapon_type access to table main.operation access to table main.mission_class access to table main.map_symbol access to table main.ada_weapon_type access to table main.active_process access to table main.acft_type_00_only access to table main.abp_create_params access to table main.exercise access to table main.decl access to table main.data_set access to table main.cancellation_notice access to table main.ato_family_tree access to table main.apportionment_cat_cd access to table main.abp access to table main.alert_settings access to table main.alert_log access to table main.airspace_usage_category access to schema main access to view testUser.top_priority access to view testUser.target_ssm_msn_count access to view testUser.target_air_msn_count access to view testUser.sortie_sum access to view testUser.ref_info access to view testUser.preview_rmk_count access to view testUser.preview_pgm_las_count access to view testUser.preview_pgm_desi_count access to view testUser.preview_objective_count access to view testUser.preview_gfriend_count access to view testUser.preview_escort_msn_req access to view testUser.preview_chaff_data access to view testUser.preview_airmove_seg access to view testUser.preview_aircraft_total access to view testUser.offload_total access to view testUser.objective_count access to view testUser.fuel_planned access to view testUser.ew_data access to view testUser.dual access to view testUser.current_base_inventory access to view testUser.cell_total access to view testUser.asgn_sortie_sum access to view testUser.appor_sorties_planned access to view testUser.airmove_seg access to view testUser.aircraft_total access to view testUser.abp access to table testUser.req_msn_task access to table testUser.req_task_source_req access to table testUser.req_ssm_msn access to table testUser.req_ssm_source access to table testUser.req_msn access to table testUser.req_msn_warnings access to table testUser.req_air_msn access to table testUser.req_src_header access to table testUser.req_msn_ids access to table testUser.req_msn_comment access to table testUser.req_c2_msn access to table testUser.req_c2_source access to table testUser.req_ada_msn access to table testUser.req_ada_vertex access to table testUser.weather_forecast access to table testUser.weather_coords access to table testUser.weather_area access to table testUser.weapon_option access to table testUser.wag_activity access to table testUser.unit_remark access to table testUser.unit_location_turn access to table testUser.unit_iff access to table testUser.unit_coordination access to table testUser.unit_code access to table testUser.trace_point access to table testUser.tasking_agency access to table testUser.task_unit access to table testUser.target_type access to table testUser.tap_db_version access to table testUser.status_code access to table testUser.state_space_threat access to table testUser.state_space_profile access to table testUser.state_space access to table testUser.ssm_mission access to table testUser.spins_section_id access to table testUser.spins_codes access to table testUser.spins access to table testUser.unit_location access to table testUser.ship_target_request access to table testUser.service_subscription access to table testUser.service_instance access to table testUser.sa_ordnance_weapon_type access to table testUser.runway access to table testUser.restricted_codes access to table testUser.response_entity access to table testUser.residual_mission access to table testUser.request_objective access to table testUser.request and 194 other objects (see server log for list)

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• Postgres user/role drop

  - by Grasper

  I am trying to drop a user: drop user testUser; I want to force this to work in a simple manner (Not a million calls)... How can I do this easily? I get this output: ERROR: role "testUser" cannot be dropped because some objects depend on it DETAIL: access to table main.tap_db_version access to table main.user_instance access to table main.target_type access to table main.status_code access to table main.state_space_profile access to table main.service_subscription access to table main.service_instance access to table main.sa_ordnance_weapon_type access to table main.operation access to table main.mission_class access to table main.map_symbol access to table main.ada_weapon_type access to table main.active_process access to table main.acft_type_00_only access to table main.abp_create_params access to table main.exercise access to table main.decl access to table main.data_set access to table main.cancellation_notice access to table main.ato_family_tree access to table main.apportionment_cat_cd access to table main.abp access to table main.alert_settings access to table main.alert_log access to table main.airspace_usage_category access to schema main access to view testUser.top_priority access to view testUser.target_ssm_msn_count access to view testUser.target_air_msn_count access to view testUser.sortie_sum access to view testUser.ref_info access to view testUser.preview_rmk_count access to view testUser.preview_pgm_las_count access to view testUser.preview_pgm_desi_count access to view testUser.preview_objective_count access to view testUser.preview_gfriend_count access to view testUser.preview_escort_msn_req access to view testUser.preview_chaff_data access to view testUser.preview_airmove_seg access to view testUser.preview_aircraft_total access to view testUser.offload_total access to view testUser.objective_count access to view testUser.fuel_planned access to view testUser.ew_data access to view testUser.dual access to view testUser.current_base_inventory access to view testUser.cell_total access to view testUser.asgn_sortie_sum access to view testUser.appor_sorties_planned access to view testUser.airmove_seg access to view testUser.aircraft_total access to view testUser.abp access to table testUser.req_msn_task access to table testUser.req_task_source_req access to table testUser.req_ssm_msn access to table testUser.req_ssm_source access to table testUser.req_msn access to table testUser.req_msn_warnings access to table testUser.req_air_msn access to table testUser.req_src_header access to table testUser.req_msn_ids access to table testUser.req_msn_comment access to table testUser.req_c2_msn access to table testUser.req_c2_source access to table testUser.req_ada_msn access to table testUser.req_ada_vertex access to table testUser.weather_forecast access to table testUser.weather_coords access to table testUser.weather_area access to table testUser.weapon_option access to table testUser.wag_activity access to table testUser.unit_remark access to table testUser.unit_location_turn access to table testUser.unit_iff access to table testUser.unit_coordination access to table testUser.unit_code access to table testUser.trace_point access to table testUser.tasking_agency access to table testUser.task_unit access to table testUser.target_type access to table testUser.tap_db_version access to table testUser.status_code access to table testUser.state_space_threat access to table testUser.state_space_profile access to table testUser.state_space access to table testUser.ssm_mission access to table testUser.spins_section_id access to table testUser.spins_codes access to table testUser.spins access to table testUser.unit_location access to table testUser.ship_target_request access to table testUser.service_subscription access to table testUser.service_instance access to table testUser.sa_ordnance_weapon_type access to table testUser.runway access to table testUser.restricted_codes access to table testUser.response_entity access to table testUser.residual_mission access to table testUser.request_objective access to table testUser.request and 194 other objects (see server log for list)

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• Rx Reactive extensions: Unit testing with FromAsyncPattern

  - by Andrew Anderson

  The Reactive Extensions have a sexy little hook to simplify calling async methods: var func = Observable.FromAsyncPattern<InType, OutType>( myWcfService.BeginDoStuff, myWcfService.EndDoStuff); func(inData).ObserveOnDispatcher().Subscribe(x => Foo(x)); I am using this in an WPF project, and it works great at runtime. Unfortunately, when trying to unit test methods that use this technique I am experiencing random failures. ~3 out of every five executions of a test that contain this code fails. Here is a sample test (implemented using a Rhino/unity auto-mocking container): [TestMethod()] public void SomeTest() { // arrange var container = GetAutoMockingContainer(); container.Resolve<IMyWcfServiceClient>() .Expect(x => x.BeginDoStuff(null, null, null)) .IgnoreArguments() .Do( new Func<Specification, AsyncCallback, object, IAsyncResult>((inData, asyncCallback, state) => { return new CompletedAsyncResult(asyncCallback, state); })); container.Resolve<IRepositoryServiceClient>() .Expect(x => x.EndRetrieveAttributeDefinitionsForSorting(null)) .IgnoreArguments() .Do( new Func<IAsyncResult, OutData>((ar) => { return someMockData; })); // act var target = CreateTestSubject(container); target.DoMethodThatInvokesService(); // Run the dispatcher for everything over background priority Dispatcher.CurrentDispatcher.Invoke(DispatcherPriority.Background, new Action(() => { })); // assert Assert.IsTrue(my operation ran as expected); } The problem that I see is that the code that I specified to run when the async action completed (in this case, Foo(x)), is never called. I can verify this by setting breakpoints in Foo and observing that they are never reached. Further, I can force a long delay after calling DoMethodThatInvokesService (which kicks off the async call), and the code is still never run. I do know that the lines of code invoking the Rx framework were called. Other things I've tried: I have attempted to modify the second last line according to the suggestions here: Reactive Extensions Rx - unit testing something with ObserveOnDispatcher No love. I have added .Take(1) to the Rx code as follows: func(inData).ObserveOnDispatcher().Take(1).Subscribe(x = Foo(x)); This improved my failure rate to something like 1 in 5, but they still occurred. I have rewritten the Rx code to use the plain jane Async pattern. This works, however my developer ego really would love to use Rx instead of boring old begin/end. In the end I do have a work around in hand (i.e. don't use Rx), however I feel that it is not ideal. If anyone has ran into this problem in the past and found a solution, I'd dearly love to hear it.

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• Cannot run Android "Camera Preview" sample

  - by noisesolo

  The sample I'm referring to is: CameraPreview. The program simply force closes upon start up. I've also tried other camera demos that have the same problem. I'm trying to run the samples on my Nexus One and the emulator with the same problem on both. I'm not even sure if the emulator should be able to run them or not. Based on LogCat, the error is: 06-08 16:39:10.483: ERROR/AndroidRuntime(6726): Uncaught handler: thread main exiting due to uncaught exception 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): java.lang.RuntimeException: Fail to connect to camera service 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.hardware.Camera.native_setup(Native Method) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.hardware.Camera.<init>(Camera.java:110) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.hardware.Camera.open(Camera.java:90) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at com.example.android.apis.graphics.Preview.surfaceCreated(CameraPreview.java:69) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.SurfaceView.updateWindow(SurfaceView.java:454) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.SurfaceView.dispatchDraw(SurfaceView.java:287) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.ViewGroup.drawChild(ViewGroup.java:1529) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1258) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.View.draw(View.java:6557) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.widget.FrameLayout.draw(FrameLayout.java:352) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.ViewGroup.drawChild(ViewGroup.java:1531) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.ViewGroup.dispatchDraw(ViewGroup.java:1258) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.View.draw(View.java:6557) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.widget.FrameLayout.draw(FrameLayout.java:352) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at com.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1830) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.ViewRoot.draw(ViewRoot.java:1349) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.ViewRoot.performTraversals(ViewRoot.java:1114) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.view.ViewRoot.handleMessage(ViewRoot.java:1633) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.os.Handler.dispatchMessage(Handler.java:99) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.os.Looper.loop(Looper.java:123) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at android.app.ActivityThread.main(ActivityThread.java:4363) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at java.lang.reflect.Method.invokeNative(Native Method) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at java.lang.reflect.Method.invoke(Method.java:521) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 06-08 16:39:10.494: ERROR/AndroidRuntime(6726): at dalvik.system.NativeStart.main(Native Method) All I did to try out the sample was create a new Android 2.1update1 Project, named everything according to the supplied Java file, copied the Java file from the URL to the CameraPreview.java file, then run it. Am I supposed to do anything else? Any help would be appreciated. Thanks in advance.

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• Cross-table linq query with EF4/POCO

  - by Basiclife

  Hi All, I'm new to EF(any version) and POCO. I'm trying to use POCO entities with a generic repository in a "code-first" mode(?) I've got some POCO Entities (no proxies, no lazy loading, nothing). I have a repository(of T as Entity) which provides me with basic get/getsingle/getfirst functionality which takes a lambda as a parameter (specifically a System.Func(Of T, Boolean)) Now as I'm returning the simplest possible POCO object, none of the relationship parameters work once they've been retrieved from the database (as I would expect). However, I had assumed (wrongly) that my lambda query passed to the repository would be able to use the links between entities as it would be executed against the DB before the simple POCO entities are generated. The flow is: GUI calls: Public Function GetAllTypesForCategory(ByVal CategoryID As Guid) As IEnumerable(Of ItemType) Return ItemTypeRepository.Get(Function(x) x.Category.ID = CategoryID) End Function Get is defined in Repository(of T as Entity): Public Function [Get](ByVal Query As System.Func(Of T, Boolean)) As IEnumerable(Of T) Implements Interfaces.IRepository(Of T).Get Return ObjectSet.Where(Query).ToList() End Function The code doesn't error when this method is called but does when I try to use the result set. (This seems to be a lazy loading behaviour so I tried adding the .ToList() to force eager loading - no difference) I'm using unity/IOC to wire it all up but I believe that's irrelevant to the issue I'm having NB: Relationships between entities are being configured properly and if I turn on proxies/lazy loading/etc... this all just works. I'm intentionally leaving all that turned off as some calls to the BL will be from a website but some will be via WCF - So I want the simplest possible objects. Also, I don't want a change in an object passed to the UI to be committed to the DB if another BL method calls Commit() Can someone please either point out how to make this work or explain why it's not possible? All I want to do is make sure the lambda I pass in is performed against the DB before the results are returned Many thanks. In case it matters, the container is being populated with everything as shown below: Container.AddNewExtension(Of EFRepositoryExtension)() Container.Configure(Of IEFRepositoryExtension)(). WithConnection(ConnectionString). WithContextLifetime(New HttpContextLifetimeManager(Of IObjectContext)()). ConfigureEntity(New CategoryConfig(), "Categories"). ConfigureEntity(New ItemConfig()). ... )

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• oauth_verifier is not passed using DotNetOpenAuth's Webconsumer

  - by BozoJoe

  I receive back a good oauth_verifier value from the server, but it is not being passed on via the ProcessUserAuthorization call to the access_token endpoint. I'm using DotNetOpenAuth 3.3.1, and the WebConsumer implementation. The server I'm working with is using OAuth 1.0a not 1.0.1. Do I need to force DotNetOpenAuth to use 1.0a? 2010-01-16 13:19:44,343 [5] DEBUG DotNetOpenAuth.Messaging.Channel [(null)] <(null)> - After binding element processing, the received UserAuthorizationResponse (1.0.1) message is: oauth_verifier: dEz9lE9AA1gcdr6oCbmD oauth_token: vauHNVOCITlbGCuqycWn 2010-01-16 13:19:44,346 [5] DEBUG DotNetOpenAuth.Messaging.Channel [(null)] <(null)> - Preparing to send AuthorizedTokenRequest (1.0) message. 2010-01-16 13:19:44,346 [5] DEBUG DotNetOpenAuth.Messaging.Bindings [(null)] <(null)> - Binding element DotNetOpenAuth.OAuth.ChannelElements.OAuthHttpMethodBindingElement applied to message. 2010-01-16 13:19:44,346 [5] DEBUG DotNetOpenAuth.Messaging.Bindings [(null)] <(null)> - Binding element DotNetOpenAuth.Messaging.Bindings.StandardReplayProtectionBindingElement applied to message. 2010-01-16 13:19:44,346 [5] DEBUG DotNetOpenAuth.Messaging.Bindings [(null)] <(null)> - Binding element DotNetOpenAuth.Messaging.Bindings.StandardExpirationBindingElement applied to message. 2010-01-16 13:19:44,346 [5] DEBUG DotNetOpenAuth.Messaging.Channel [(null)] <(null)> - Applying secrets to message to prepare for signing or signature verification. 2010-01-16 13:19:44,348 [5] DEBUG DotNetOpenAuth.Messaging.Bindings [(null)] <(null)> - Signing AuthorizedTokenRequest message using HMAC-SHA1. 2010-01-16 13:19:44,349 [5] DEBUG DotNetOpenAuth.Messaging.Bindings [(null)] <(null)> - Constructed signature base string: GET&http%3A%2F%2Fx-staging.indivo.org%3A8000%2Foauth%2Faccess_token&oauth_consumer_key%3Doak%26oauth_nonce%3DgPersiZV%26oauth_signature_method%3DHMAC-SHA1%26oauth_timestamp%3D1263676784%26oauth_token%3DvauHNVOCITlbGCuqycWn%26oauth_version%3D1.0 2010-01-16 13:19:44,349 [5] DEBUG DotNetOpenAuth.Messaging.Bindings [(null)] <(null)> - Binding element DotNetOpenAuth.OAuth.ChannelElements.SigningBindingElementChain applied to message. 2010-01-16 13:19:44,351 [5] INFO DotNetOpenAuth.Messaging.Channel [(null)] <(null)> - Prepared outgoing AuthorizedTokenRequest (1.0) message for http://x-staging.indivo.org:8000/oauth/access_token: oauth_token: vauHNVOCITlbGCuqycWn oauth_consumer_key: XXXXXXmyComsumerKeyXXXXXX oauth_nonce: gPersiZV oauth_signature_method: HMAC-SHA1 oauth_signature: xNynvr2oFlqtdoOKOl2ETiiTLGY= oauth_version: 1.0 oauth_timestamp: 1263676784 2010-01-16 13:19:44,351 [5] DEBUG DotNetOpenAuth.Messaging.Channel [(null)] <(null)> - Sending AuthorizedTokenRequest request. 2010-01-16 13:19:44,351 [5] DEBUG DotNetOpenAuth.Http [(null)] <(null)> - HTTP GET http://x-staging.indivo.org:8000/oauth/access_token 2010-01-16 13:20:34,657 [5] ERROR DotNetOpenAuth.Http [(null)] <(null)> - WebException from http://x-staging.indivo.org:8000/oauth/access_token: <h4>Internal Server Error</h4> A pastebin link to the log4net log

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• Div positioning problem related to Relative and Absolute positioning

  - by abszero

  Hello everyone. The problem I am running into is related to a footer I have absolutely positioned at the bottom of the page. Everything is fine until the copy on the page begins to extend further down the page which then causes my content wells to extend down, behind, the footer. Is there anyway I can force my content wells to 'push' the footer down the page? Here is the relevant html: <div id="page"> <div id="page_container"> <div id="header"></div> <div id="nav"></div> <div id="main_content"> <div id="left_column"></div> <div id="right_column"></div> </div> </div> </div> <div id="footer"> <div id="footer_container"> </div> </div> And the relevant CSS #page {width:100%;margin:0 0 10px 0; text-align:center;} #page_container {width:743px;height:auto !important;height:100%;margin:0 auto;min-height:100%;text-align:center;overflow:hidden;border:2px solid #000;} #header {width:100%;background:url('../images/header.jpg');height:87px;clear:both; margin-top: -2px;} #nav {width:100%;height:29px;float:left; text-align:left; border-bottom: solid 2px #000; border-top: solid 2px #000;} #main_content {width:100%;float:left; text-align:left; background-color:#fff; border-bottom: solid 2px #000; border-left: solid 2px #000; border-right: solid 2px #000;} #footer {width:100%; position:absolute;margin-top:10px; bottom: 0; background:url('../images/footer_bg.jpg');height:133px;text-align:center;} #footer_container{width:746px;height:133px; text-align:left; display:inline-block;} #left_column {width:230px; float:left; text-align:left; background-color:#fff; margin-top:5px;} #right_column {width:490px; float:right; text-align:left; background-color:#fff;margin-top:5px; padding:10px;} Thanks for any help you might be able to give!

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• GameKit: GKSession manual

  - by mongeta

  Hello, I want to connect two devices using the GKSession, starting one as a server and the other one as a client. Using this configuration I can't use the GKPeerPickerController. I'm having problems for connecting the two devices: Using only bluetooth: impossible using WiFi: at least there are some data exchange between the devices but no successfully conection. In the interface file I have the GKSessionDelegate GKSession *session; In the implementation, I start the server using this code: session = [[GKSession alloc] initWithSessionID:@"iFood" displayName:nil sessionMode:GKSessionModeClient]; session.delegate = self; session.available = YES; The client starts using this code: session = [[GKSession alloc] initWithSessionID:@"iFood" displayName:nil sessionMode:GKSessionModeServer]; session.delegate = self; session.available = YES; How I can force the use of Bluetooth instead of the WiFi ? Also I have implemented those calls: -(void)session:(GKSession *)session didReceiveConnectionRequestFromPeer:(NSString *)peerID { NSLog(@"Someone is trying to connect"); } - (BOOL)acceptConnectionFromPeer:(NSString *)peerID error:(NSError **)error { NSLog(@"acceptConnectionFromPeer"); } When I start, I get this into the debugger: Listening on port 50775 2010-02-19 14:55:02.547 iFood[3009:5103] handleEvents started (2) And when the other device starts to find, I get this: ~ DNSServiceBrowse callback: Ref=187f70, Flags=2, IFIndex=2 (name=[en0]), ErrorType=0 name=00eGs1R1A..Only by Audi regtype=_2c3mugr67ej6j7._udp. domain=local. ~ DNSServiceQueryRecord callback: Ref=17bd40, Flags=2, IFIndex=2 (name=[en0]), ErrorType=0 fullname=00eGs1R1A\.\.Only\032by\032Audi._2c3mugr67ej6j7._udp.local. rrtype=16 rrclass=1 rdlen=18 ttl=4500 ** peer 1527211048: oldbusy=0, newbusy=0 ~ DNSServiceBrowse callback: Ref=187f70, Flags=2, IFIndex=-3 (name=[]), ErrorType=0 name=00eGs1R1A..Only by Audi regtype=_2c3mugr67ej6j7._udp. domain=local. GKPeer[186960] 1527211048 service count old=1 new=2 ~ DNSServiceQueryRecord callback: Ref=17bd40, Flags=2, IFIndex=-3 (name=[]), ErrorType=0 fullname=00egs1r1a\.\.only\032by\032audi._2c3mugr67ej6j7._udp.local. rrtype=16 rrclass=1 rdlen=18 ttl=7200 ** peer 1527211048: oldbusy=0, newbusy=0 ~ DNSServiceBrowse callback: Ref=187f70, Flags=2, IFIndex=-3 (name=[]), ErrorType=0 name=00TF5kc1A..Only by Audi regtype=_2c3mugr67ej6j7._udp. domain=local. ~ DNSServiceQueryRecord callback: Ref=188320, Flags=2, IFIndex=-3 (name=[]), ErrorType=0 fullname=00tf5kc1a\.\.only\032by\032audi._2c3mugr67ej6j7._udp.local. rrtype=16 rrclass=1 rdlen=18 ttl=7200 ** peer 1723356125: oldbusy=0, newbusy=0 ~ DNSServiceQueryRecord callback: Ref=188320, Flags=2, IFIndex=2 (name=[en0]), ErrorType=0 fullname=00TF5kc1A\.\.Only\032by\032Audi._2c3mugr67ej6j7._udp.local. rrtype=16 rrclass=1 rdlen=18 ttl=4500 ** peer 1723356125: oldbusy=0, newbusy=0 What I'm missing here ? I'm sure that both devices have bluetooth enabled and connected into the same WiFi. thanks, r.

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• Problem with sqlite database on android platform

  - by mudit

  hi all i am developing an application which uses sqlite db for storing records. I am developing this application on SDK 1.5.. when i test the application on 1.5 device it works good but when i try to run it on a 1.6 device i get a force close message with following logcat output: 03-19 09:31:35.206: ERROR/AndroidRuntime(224): Uncaught handler: thread main exiting due to uncaught exception 03-19 09:31:35.226: ERROR/AndroidRuntime(224): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.abc.android/com.abc.android.app}: android.database.sqlite.SQLiteException: unable to open database file 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2454) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2470) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.access$2200(ActivityThread.java:119) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1821) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.os.Handler.dispatchMessage(Handler.java:99) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.os.Looper.loop(Looper.java:123) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.main(ActivityThread.java:4310) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at java.lang.reflect.Method.invokeNative(Native Method) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at java.lang.reflect.Method.invoke(Method.java:521) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:860) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at dalvik.system.NativeStart.main(Native Method) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): Caused by: android.database.sqlite.SQLiteException: unable to open database file 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.dbopen(Native Method) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.(SQLiteDatabase.java:1697) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:738) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:760) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:753) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ApplicationContext.openOrCreateDatabase(ApplicationContext.java:473) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:193) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:98) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at com.abc.android.DbAdapter.open(DbAdapter.java:101) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at com.abc.android.class1.onCreate(class1.java:105) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2417) 03-19 09:31:35.226: ERROR/AndroidRuntime(224): ... 11 more DBAdapter.java public DbAdapter open() throws SQLException { Log.d("DbAdapter", "in DbAdapter open()"); mDbHelper = new DatabaseHelper(mCtx); mDb = mDbHelper.getWritableDatabase(); // line 101 return this; } DatabaseHelper(Context context) { super(context, DATABASE_NAME, null, DATABASE_VERSION); } @Override public void onCreate(SQLiteDatabase db) { db.execSQL(DATABASE_QUERY); } class1.java mDB = new DbAdapter(Class1.this); mDB.open(); // line 105 Please help..what do i do????

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• Using FFMPEG to reliably convert videos to mp4 for iphone/ipod and flash players

  - by Jake Stevenson

  I need to convert videos for use in both a flash player and the iphone/ipod touch. I'm using the following batch script with ffmpeg: @echo off ffmpeg.exe -i %1 -s qvga -acodec libfaac -ar 22050 -ab 128k -vcodec libx264 -threads 0 -f ipod %2 This always outputs an mp4 file, and I can always play it on my PC. The videos also seem to play fine on my iphone 3GS. But with some input files it won't work for older iphone versions (3G and iPod touch). Here's the ffmpeg output from one such file: D:\ffmpeg>encode.bat d:\temp\recording.flv d:\temp\out.m4v FFmpeg version SVN-r18709, Copyright (c) 2000-2009 Fabrice Bellard, et al. configuration: --enable-memalign-hack --prefix=/mingw --cross-prefix=i686-ming w32- --cc=ccache-i686-mingw32-gcc --target-os=mingw32 --arch=i686 --cpu=i686 --e nable-avisynth --enable-gpl --enable-zlib --enable-bzlib --enable-libgsm --enabl e-libfaac --enable-libfaad --enable-pthreads --enable-libvorbis --enable-libtheo ra --enable-libspeex --enable-libmp3lame --enable-libopenjpeg --enable-libxvid - -enable-libschroedinger --enable-libx264 libavutil 50. 3. 0 / 50. 3. 0 libavcodec 52.27. 0 / 52.27. 0 libavformat 52.32. 0 / 52.32. 0 libavdevice 52. 2. 0 / 52. 2. 0 libswscale 0. 7. 1 / 0. 7. 1 built on Apr 28 2009 04:04:42, gcc: 4.2.4 [flv @ 0x187d650]skipping flv packet: type 18, size 164, flags 0 Input #0, flv, from 'd:\temp\recording.flv': Duration: 00:00:07.17, start: 0.001000, bitrate: N/A Stream #0.0: Video: flv, yuv420p, 320x240, 1k tbr, 1k tbn, 1k tbc Stream #0.1: Audio: nellymoser, 44100 Hz, mono, s16 [libx264 @ 0x13518b0]using cpu capabilities: MMX2 SSE2Fast SSSE3 FastShuffle SSE 4.2 [libx264 @ 0x13518b0]profile Baseline, level 4.2 Output #0, ipod, to 'd:\temp\out.m4v': Stream #0.0: Video: libx264, yuv420p, 320x240, q=2-31, 200 kb/s, 1k tbn, 1k tbc Stream #0.1: Audio: libfaac, 22050 Hz, mono, s16, 128 kb/s Stream mapping: Stream #0.0 -> #0.0 Stream #0.1 -> #0.1 Press [q] to stop encoding frame= 90 fps= 0 q=-1.0 Lsize= 128kB time=6.87 bitrate= 152.4kbits/s video:92kB audio:32kB global headers:1kB muxing overhead 2.620892% [libx264 @ 0x13518b0]slice I:8 Avg QP:29.62 size: 7047 [libx264 @ 0x13518b0]slice P:82 Avg QP:30.83 size: 467 [libx264 @ 0x13518b0]mb I I16..4: 17.9% 0.0% 82.1% [libx264 @ 0x13518b0]mb P I16..4: 0.6% 0.0% 0.0% P16..4: 23.1% 0.0% 0.0% 0.0% 0.0% skip:76.3% [libx264 @ 0x13518b0]final ratefactor: 57.50 [libx264 @ 0x13518b0]SSIM Mean Y:0.9544735 [libx264 @ 0x13518b0]kb/s:8412.6 My suspicion is that it has something to do with the audio encoding. If so, does anyone know how to force it to reencode the audio to the proper format? Any other ideas?

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• Why is "wsdl" namespace interjected into action name when using savon for ruby soap communication?

  - by Nick Gorbikoff

  I'm trying to access a SOAP service i don't control. One of the actions is called ProcessMessage. I follow example and generate a SOAP request, but I get an error back saying that the action doesn't exist. I traced the problem to the way the body of the envelope is generated. <env:Envelope ... "> <env:Header> <wsse:Security ... "> <wsse:UsernameToken ..."> <wsse:Username>USER</wsse:Username> <wsse:Nonce>658e702d5feff1777a6c741847239eb5d6d86e48</wsse:Nonce> <wsu:Created>2010-02-18T02:05:25Z</wsu:Created> <wsse:Password ... >password</wsse:Password> </wsse:UsernameToken> </wsse:Security> </env:Header> <env:Body> <wsdl:ProcessMessage> <payload> ...... </payload> </wsdl:ProcessMessage> </env:Body> </env:Envelope> That ProcessMessage tag should be : <ProcessMessage xmlns="http://www.starstandards.org/webservices/2005/10/transport"> That's what it is when it is generated by the sample java app, and it works. That tag is the only difference between what my ruby app generates and the sample java app. Is there any way to get rid of the "wsdl:" namesaplce in front of that one tag and add an attribute like that. Barring that, is there a way to make force the action to be not to be generated by just passed as a string like the rest of the body? Here is my code. require 'rubygems' require 'savon' client = Savon::Client.new "https://gmservices.pp.gm.com/ProcessMessage?wsdl" response = client.process_message! do | soap, wsse | wsse.username = "USER" wsse.password = "password" soap.namespace = "http://www.starstandards.org/webservices/2005/10/transport" #makes no difference soap.action = "ProcessMessage" #makes no difference soap.input = "ProcessMessage" #makes no difference #my body at this point is jsut one big xml string soap.body = "<payload>...</payload>" # putting <ProccessMessage> tag here doesn't help as it just creates a duplicate tag in the body, since Savon keeps interjecting <wsdl:ProcessMessage> tag. end Thank you P.S.: I tried handsoap but it doesn't support httpS and is confusing, and I tried soap4r but but it'even more confusing than handsoap.

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• Delphi - restore actual row in DBGrid

  - by durumdara

  Hi! D6 prof. Formerly we used DBISAM and DBISAMTable. That handle the RecNo, and it is working good with modifications (Delete, edit, etc). Now we replaced with ElevateDB, that don't handle RecNo, and many times we use Queries, not Tables. Query must reopen to see the modifications. But if we Reopen the Query, we need to repositioning to the last record. Locate isn't enough, because Grid is show it in another Row. This is very disturbing thing, because after the modification record is moving into another row, you hard to follow it, and users hate this. We found this code: function TBaseDBGrid.GetActRow: integer; begin Result := -1 + Row; end; procedure TBasepDBGrid.SetActRow(aRow: integer); var bm : TBookMark; begin if IsDataSourceValid(DataSource) then with DataSource.DataSet do begin bm := GetBookmark; DisableControls; try MoveBy(-aRow); MoveBy(aRow); //GotoBookmark(bm); finally FreebookMark(bm); EnableControls; end; end; end; The original example is uses moveby. This working good with Queries, because we cannot see that Query reopened in the background, the visual control is not changed the row position. But when we have EDBTable, or Live/Sensitive Query, the MoveBy is dangerous to use, because if somebody delete or append a new row, we can relocate into wrong record. Then I tried to use the BookMark (see remark). But this technique isn't working, because it is show the record in another Row position... So the question: how to force both the row position and record in DBGrid? Or what kind of DBGrid can relocate to the record/row after the underlying DataSet refreshed? I search for user friendly solution, I understand them, because I tried to use this jump-across DBGrid, and very bad to use, because my eyes are getting out when try to find the original record after update... :-( Thanks for your every help, link, info: dd

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• glassfish v3.0 hangs no app is ever deployed and no error is ever shown

  - by Samuel Lopez

  I have a web app that uses JSF 2.0 with richFaces and primeFaces, hibernate and java and I use NetBeans 7.1.2 as the IDE when I run the app the glassfish server is started and the log shows this: Launching GlassFish on Felix platform Información: Running GlassFish Version: GlassFish Server Open Source Edition 3.1.2 (build 23) Información: Grizzly Framework 1.9.46 started in: 20ms - bound to [0.0.0.0:4848] Información: Grizzly Framework 1.9.46 started in: 32ms - bound to [0.0.0.0:8181] Información: Grizzly Framework 1.9.46 started in: 59ms - bound to [0.0.0.0:8080] Información: Grizzly Framework 1.9.46 started in: 32ms - bound to [0.0.0.0:3700] Información: Grizzly Framework 1.9.46 started in: 21ms - bound to [0.0.0.0:7676] Información: Registered org.glassfish.ha.store.adapter.cache.ShoalBackingStoreProxy for persistence-type = replicated in BackingStoreFactoryRegistry Información: SEC1002: Security Manager is OFF. Información: SEC1010: Entering Security Startup Service Información: SEC1143: Loading policy provider com.sun.enterprise.security.provider.PolicyWrapper. Información: SEC1115: Realm [admin-realm] of classtype [com.sun.enterprise.security.auth.realm.file.FileRealm] successfully created. Información: SEC1115: Realm [file] of classtype [com.sun.enterprise.security.auth.realm.file.FileRealm] successfully created. Información: SEC1115: Realm [certificate] of classtype [com.sun.enterprise.security.auth.realm.certificate.CertificateRealm] successfully created. Información: SEC1011: Security Service(s) Started Successfully Información: WEB0169: Created HTTP listener [http-listener-1] on host/port [0.0.0.0:8080] Información: WEB0169: Created HTTP listener [http-listener-2] on host/port [0.0.0.0:8181] Información: WEB0169: Created HTTP listener [admin-listener] on host/port [0.0.0.0:4848] Información: WEB0171: Created virtual server [server] Información: WEB0171: Created virtual server [__asadmin] Información: WEB0172: Virtual server [server] loaded default web module [] Información: Inicializando Mojarra 2.1.6 (SNAPSHOT 20111206) para el contexto '/test' Información: Hibernate Validator 4.2.0.Final Información: WEB0671: Loading application [test] at [/test] Información: CORE10010: Loading application test done in 4,885 ms Información: GlassFish Server Open Source Edition 3.1.2 (23) startup time : Felix (1,848ms), startup services(5,600ms), total(7,448ms) Información: JMX005: JMXStartupService had Started JMXConnector on JMXService URL service:jmx:rmi://SJ007:8686/jndi/rmi://SJ007:8686/jmxrmi Información: WEB0169: Created HTTP listener [http-listener-1] on host/port [0.0.0.0:8080] Información: Grizzly Framework 1.9.46 started in: 14ms - bound to [0.0.0.0:8080] Información: WEB0169: Created HTTP listener [http-listener-2] on host/port [0.0.0.0:8181] Información: Grizzly Framework 1.9.46 started in: 12ms - bound to [0.0.0.0:8181] but right there it hangs and the deploy bar keeps running but no more actions are shown, nothing else is logged either it just stays there until I stop the deploy Is there any other error log to debug glassfish server? Any thoughts? I have re installed glassfish and NetBeans but it all seems the same. I think this started happening after I had to force-restart my computer with NetBeans stil open and the app deployed, but it's hard to know for sure if this was the real catalyst. Any thoughts or help is appreciated thanks. Is it an app error? if so why no errors in the log are shown?

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• Get UiBinder widget to display inline instead of block

  - by Steve Armstrong

  I'm trying to get my UiBinder-defined widget to display inline, but I can't. My current code is: <ui:UiBinder xmlns:ui='urn:ui:com.google.gwt.uibinder' xmlns:g='urn:import:com.google.gwt.user.client.ui'> <ui:style> .section { border: 1px solid #000000; width: 330px; padding: 5px; display: run-in; } </ui:style> <g:HTMLPanel> <div class="{style.section}"> <div ui:field="titleSpan" class="{style.title}" /> <div class="{style.contents}"> <g:VerticalPanel ui:field="messagesPanel" /> </div> </div> </g:HTMLPanel> </ui:UiBinder> This works fine in terms of how the widget looks internally, but I want to throw a bunch of these widgets into a FlowPanel and have them flow when the window is resized. The HTMLPanel is a div, but I can't get the display attribute to assign. I can't force the style name, since the following throws an error: <g:HTMLPanel styleNames="{style.section}"> And I can assign an additional style, but it doesn't apply the display setting. <g:HTMLPanel addStyleNames="{style.section}"> This displays the border and sets the size, as expected, but it doesn't flow. Firebug shows the styles on the div are border, width, and padding, but no display. Is there a way to make a widget in UiBinder so that it'll display inline instead of block? And if so, can I make it compatible with having a VerticalPanel inside (can I do it without making the entire widget pure HTML without any GWT widgets)? PS: I saw question 2257924 but it hasn't had any answers lately, and he seems to be focused on getting a tag, not specifically getting inline layout. I don't care directly about , if I can just get the top-level tag for my widget to flow inline, I'm happy.

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• Why does the proxy generated code create the wrong class namespace when a MessageContract is in my W

  - by DaleyKD

  I have created two WCF Services (Shipping & PDFGenerator). They both, along with my ClientApp, share an assembly named Kyle.Common.Contracts. Within this assembly, I have three classes: namespace Kyle.Common.Contracts { [MessageContract] public class PDFResponse { [MessageHeader] public string fileName { get; set; } [MessageBodyMember] public System.IO.Stream fileStream { get; set; } } [MessageContract] public class PDFRequest { [MessageHeader] public Enums.PDFDocumentNameEnum docType { get; set; } [MessageHeader] public int? pk { get; set; } [MessageHeader] public string[] emailAddress { get; set; } [MessageBodyMember] public Kyle.Common.Contracts.TrackItResult[] trackItResults { get; set; } } [DataContract(Name = "TrackResult", Namespace = "http://kyle")] public class TrackResult { [DataMember] public int SeqNum { get; set; } [DataMember] public int ShipmentID { get; set; } [DataMember] public string StoreNum { get; set; } } } My PDFGenerator ServiceContract looks like: namespace Kyle.WCF.PDFDocs { [ServiceContract(Namespace="http://kyle")] public interface IPDFDocsService { [OperationContract] PDFResponse GeneratePDF(PDFRequest request); [OperationContract] void GeneratePDFAsync(Kyle.Common.Contracts.Enums.PDFDocumentNameEnum docType, int? pk, string[] emailAddress); [OperationContract] Kyle.Common.Contracts.TrackResult[] Test(); } } If I comment out the GeneratePDF stub, the proxy generated by VS2010 realizes that Test returns an array of Kyle.Common.Contracts.TrackResult. However, if I leave GeneratePDF there, the proxy refuses to use Kyle.Common.Contracts.TrackResult, and instead creates a new class, ClientApp.PDFDocServices.TrackResult, and uses that as the return type of Test. Is there a way to force the proxy generator to use Kyle.Common.Contracts.TrackResult whenever I use a MessageContract? Perhaps there's a better method for using a Stream and File Name as return types? I just don't want to have to create a Copy method to copy from ClientApp.PDFDocServices.TrackResult to Kyle.Common.Contracts.TrackResult, since they should be the exact same class. Thanks in advance, Kyle

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• WPF - Redrawing a Context Menu when Items change?

  - by Rachel

  I have a ItemsControl in a ScrollViewer, and when the items exceed the width of the ScrollViewer they are put into a ContextMenu and shown as a DropDown instead. My problem is that when the Context Menu is first loaded, it saves the saves the size of the Menu and does not redraw when more commands get added/removed. For example, a panel has 3 commands. 1 is visible and 2 are in the Menu. Viewing the menu shows the 2 commands and draws the control, but then if you resize the panel so 2 are visible and only 1 command is in the menu, it doesn't redraw the menu to eliminate that second menu item. Or even worse, if you shrink the panel so that no commands are shown and all 3 are in the Menu, it will only show the top 2. Here's my code: <Button Click="DropDownMenu_Click" ContextMenuOpening="DropDownMenu_ContextMenuOpening"> <Button.ContextMenu> <ContextMenu ItemsSource="{Binding Path=MenuCommands}" Placement="Bottom"> <ContextMenu.Resources> <Style TargetType="{x:Type MenuItem}"> <Setter Property="Command" Value="{Binding Path=Command}" /> <Setter Property="Visibility" Value="{Binding Path=IsVisible, Converter={StaticResource ReverseBooleanToVisibilityConverter}}"/> </Style> </ContextMenu.Resources> <ContextMenu.ItemTemplate> <DataTemplate> <TextBlock Text="{Binding Path=DisplayName}" /> </DataTemplate> </ContextMenu.ItemTemplate> </ContextMenu> </Button.ContextMenu> </Button> Code Behind: void DropDownMenu_ContextMenuOpening(object sender, ContextMenuEventArgs e) { Button b = sender as Button; b.ContextMenu.IsOpen = false; e.Handled = true; } private void DropDownMenu_Click(object sender, RoutedEventArgs e) { Button b = sender as Button; ContextMenu cMenu = b.ContextMenu; if (cMenu != null) { cMenu.PlacementTarget = b; cMenu.Placement = System.Windows.Controls.Primitives.PlacementMode.Bottom; } } I have tried using InvalidateVisual and passing an empty delegate on Render to try and force a redraw, however neither works. I'm using .Net 4.0.

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• Microsoft Charting Histogram Zero With Line

  - by Brownman98

  I am currently developing an application that uses chart control to create a histogram. The histogram displays data correctly however I would like to center the data. Right now the Min and Max are automatically set. I would like the graph to always force its to be displayed symmetrically. Here is an example of what I'm trying to accomplish. Basically I would like it to look like a normal distribution graph. Does anyone know how I can do the the following: Get the graph to be displayed symmetrically? Always show a zero line. Here is the aspx markup. <asp:Chart ID="ChartHistogram" runat="server" Height="200" Width="300"> <Series> <asp:Series Name="SeriesDataHistogram" ChartType="RangeColumn" Color="#4d5b6e" BorderColor="#ffffff" BorderDashStyle="NotSet"> </asp:Series> </Series> <ChartAreas> <asp:ChartArea Name="ChartAreaMain" BorderColor="#CCCCCC"> <AxisX TitleFont="Arial, 7pt" LabelAutoFitMaxFontSize="7"> <MajorGrid LineColor="#FFFFFF" Interval="5" /> <LabelStyle Format="P1" /> </AxisX> <AxisY Title="Frequency" TitleFont="Arial, 7pt" LabelAutoFitMaxFontSize="7"> <MajorGrid LineColor="#FFFFFF" /> </AxisY> </asp:ChartArea> </ChartAreas> </asp:Chart> Here is the code behind private void DrawHistogram(List<ReturnDataObject> list) { foreach (ReturnDataObject r in list) this.ChartHistogram.Series["SeriesDataHistogram"].Points.AddY(r.ReturnAmount); // HistogramChartHelper is a helper class found in the samples Utilities folder. HistogramChartHelper histogramHelper = new HistogramChartHelper(); // Show the percent frequency on the right Y axis. histogramHelper.ShowPercentOnSecondaryYAxis = false; // Create histogram series histogramHelper.CreateHistogram(ChartHistogram, "SeriesDataHistogram", "Histogram"); } Thanks for any help.

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