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• MSDeploy migrate only configuration from IIS 6 to 7

  - by Matt

  We have 19 websites, many of which have many "virtual" directories, on a IIS 6 server. I am trying to migrate the whole thing over to IIS 7 on a different server. Following the instructions on http://learn.iis.net/page.aspx/427/migrate-a-web-site-from-iis-60-to-iis-70/ I attempted the following command line execution: msdeploy -verb:sync -source:metakey=lm/w3svc -dest:package=D:\Temp\Sites.zip > D:\temp\WebDeployPackage.log It appeared to be working until I got a "There is not enough space on the disk" error. The D drive, which you'll notice is the target location for the package and the log has plenty of space (all the resources for the websites are about 5gb, the drive has 200+). Though the C drive is of limited size (6Gb), so that might be the problem. Anyway, I figure the best bet was to try and do a migration of settings/configurations only, not the actual resources. We can easily deploy the resources to the new server with our NAnt build scripts, so that's not an issue. Getting all the correct configurations moved over, however, would be challenging to do manually. So, is there a way to export/package only the configuration/options of the IIS 6 server using msdeploy (or any other tool?)

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• Android threading and database locking

  - by Sena Gbeckor-Kove

  Hi, We are using AsyncTasks to access database tables and cursors. Unfortunately we are seeing occasional exceptions regarding the database being locked. E/SQLiteOpenHelper(15963): Couldn't open iviewnews.db for writing (will try read-only): E/SQLiteOpenHelper(15963): android.database.sqlite.SQLiteException: database is locked E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.native_setLocale(Native Method) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.setLocale(SQLiteDatabase.java:1637) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.<init>(SQLiteDatabase.java:1587) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.openDatabase(SQLiteDatabase.java:638) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:659) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteDatabase.openOrCreateDatabase(SQLiteDatabase.java:652) E/SQLiteOpenHelper(15963): at android.app.ApplicationContext.openOrCreateDatabase(ApplicationContext.java:482) E/SQLiteOpenHelper(15963): at android.content.ContextWrapper.openOrCreateDatabase(ContextWrapper.java:193) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteOpenHelper.getWritableDatabase(SQLiteOpenHelper.java:98) E/SQLiteOpenHelper(15963): at android.database.sqlite.SQLiteOpenHelper.getReadableDatabase(SQLiteOpenHelper.java:158) E/SQLiteOpenHelper(15963): at com.iview.android.widget.IViewNewsTopStoryWidget.initData(IViewNewsTopStoryWidget.java:73) E/SQLiteOpenHelper(15963): at com.iview.android.widget.IViewNewsTopStoryWidget.updateNewsWidgets(IViewNewsTopStoryWidget.java:121) E/SQLiteOpenHelper(15963): at com.iview.android.async.GetNewsTask.doInBackground(GetNewsTask.java:338) E/SQLiteOpenHelper(15963): at com.iview.android.async.GetNewsTask.doInBackground(GetNewsTask.java:1) E/SQLiteOpenHelper(15963): at android.os.AsyncTask$2.call(AsyncTask.java:185) E/SQLiteOpenHelper(15963): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:256) E/SQLiteOpenHelper(15963): at java.util.concurrent.FutureTask.run(FutureTask.java:122) E/SQLiteOpenHelper(15963): at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:648) E/SQLiteOpenHelper(15963): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:673) E/SQLiteOpenHelper(15963): at java.lang.Thread.run(Thread.java:1060) Does anybody have a general example for code which writes to a database from a different thread than the one reading and how can we ensure thread safety. One suggestion I've had is to use a ContentProvider, as this would handle the access of the database from multiple threads. I am going to look at this, but is this the recommended method of handling such a problem? It seems rather heavyweight considering we're talking about in front or behind Thanks in advance.

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• Need advice or pointers on Release Management Strategies

  - by Murray

  I look after an internal web based (Java, JSP, Mediasurface, etc.) system that is in constant use (24/5). Users raise tickets for enhancements, bug fixes and other business changes. These issues are signed off individually and assigned to one of three or four developers. Once the issue is complete it is built and the code only committed to SVN. The changed files (templates, html, classes, jsp) are then copied to a dev server and committed to a different repository from where they are checked out to the UAT server for testing. (this often requires the Tomcat service to be restarted and occasionally the Mediasurface service as well). The users then test and either reject or approve the release. If approved the edited files are checked out to the Live server and the same process as with UAT undertaken. If rejected the developer makes the relevant changes and starts the release process again. This is all done manually without much control. Where different developers are working on similar files, changes sometimes get overwritten by builds done on out of sync code in other cases changes in UAT are moved to live in error as they are mixed up in files associated with a signed off release. I would like to move this to a more controlled and automated process where all source code and output files are held in SVN and releases to Dev, UAT and Live managed by a CI system (We have TeamCity in house for our .NET applications). My question is on how to manage the releases of multiple changes where some will be signed off and moved on and others rejected and returned to the developer. The changes may be on overlapping files and simply merging each release in to a Release Branch means that the rejected changes would have to be backed out of the branch. Is there a way to manage this using SVN and CI or will I simply have to live with the current system.

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• Tab bar controller inside a navigation controller, or sharing a navigation root view

  - by Daniel Dickison

  I'm trying to implement a UI structured like in the Tweetie app, which behaves as so: the top-level view controller seems to be a navigation controller, whose root view is an "Accounts" table view. If you click on any account, it goes to the second level, which has a tab bar across the bottom. Each tab item shows a different list and lets you drill down further (the subsequent levels don't show the tab bar). So, this seems like the implementation hierarchy is: UINavigationController Accounts: UITableViewController UITabBarController Tweets: UITableViewController Detail view of a tweet/user/etc Replies: UITableViewController ... This seems to work[^1], but appears to be unsupported according to the SDK documentation for -pushViewController:animated: (emphasis added): viewController: The view controller that is pushed onto the stack. It cannot be an instance of tab bar controller. I would like to avoid private APIs and the like, but I'm not sure why this usage is explicitly prohibited even when it seems to work fine. Anyone know the reason? I've thought about putting the tab bar controller as the main controller, with each of the tabs containing separate navigation controllers. The problem with this is that each nav controller needs to share a single root view controller (namely the "Accounts" table in Tweetie) -- this doesn't seem to work: pushing the table controller to a second nav controller seems to remove it from the first. Not to mention all the book-keeping when selecting a different account would probably be a pain. How should I implement this the Right Way? [^1]: The tab bar controller needs to be subclassed so that the tab bar controller's navigation item at that level stays in sync with the selected tab's navigation item, and the individual tab's table controller's need to push their respective detail views to self.tabBarController.navigationController instead of self.navigationController.

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• How to avoid coupling when using regions in Composite WPF

  - by emddudley

  I have an application designed using Microsoft's Composite Application Library. My shell has several regions defined so that I can inject content from separate modules. I'm looking for a design pattern that will reduce the coupling that these regions introduce. In all examples I have seen, regions are defined and accessed using a string in a static class in the infrastructure project.: <ItemsControl cal:RegionManager.RegionName="{x:Static inf:RegionNames.TabRegion}"> public static class RegionNames { public const string TabRegion = "TabRegion"; } This introduces an dependency on the shell from the infrastructure project, because the infrastructure project is now defining some of the shell's capabilities. The CAL RegionManager throws an exception if you attempt to access a region which is not defined, so I must ensure that the infrastructure and shell projects are kept in sync. Is there a way to isolate the shell's regions so that they are defined only within the shell (no region names in the infrastructure project)? Is there a way to make regions optional, so that shells can be swapped out even if they don't have all the same regions? (An example: One shell has menu and toolbar regions, another only has the menu... modules should be able to inject into the toolbar if it's available, without failing when it's not)

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• Best practice: git, github, lighthouse and 2 developers

  - by Alxandr

  I'm setting up a new project and plan on using git and github for sourcecontroll and hosting of repo and lighthouse for bugtracking. I've been working with git for some while now, but only been using it for more of a backup solution than collaborate coding solution. Also, I've noticed that in github you can setup a servicehook to lighthouse so that whenever you push to github it notifies lighthouse of the changes. This uses a token for user-authentication and has the ability to change tickets to resolved etc. However, this token I believe functions that way so that whenever a user pushes to the repo (dosn't matter who), it's the owner of the repo that "updates" to lighthouse. This is a problem. So, I believe it is necessary with 2 separate repos at github (one for each dev), and I'm wondering about the workflow that should be used. Any1 care to shred any light on this matter? Like when to pull and push (and where), and how to make the two github repos in sync or something like that? Or another solution to the problem altogether.

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• validate that URI is valid http URI

  - by Alfred

  Hi all, My problem: First of hopefully this is not a duplicate, but I could not find the right answer(right away). I would like to validate that an URI(http) is valid in Java. I came up with the following tests but I can't get them to pass. First I used getPort(), but then http://www.google.nl will return -1 on getPort(). This are the test I want to have passed Test: @Test public void testURI_Isvalid() throws Exception { assertFalse(HttpUtils.validateHTTP_URI("ttp://localhost:8080")); assertFalse(HttpUtils.validateHTTP_URI("ftp://localhost:8080")); assertFalse(HttpUtils.validateHTTP_URI("http://localhost:8a80")); assertTrue(HttpUtils.validateHTTP_URI("http://localhost:8080")); final String justWrong = "/schedule/get?uri=http://localhost:8080&time=1000000"; assertFalse(HttpUtils.validateHTTP_URI(justWrong)); assertTrue(HttpUtils.validateHTTP_URI("http://www.google.nl")); } This is what I came up with after I removed the getPort() part but this does not pass all my unit tests. Production code: public static boolean validateHTTP_URI(String uri) { final URI u; try { u = URI.create(uri); } catch (Exception e1) { return false; } return "http".equals(u.getScheme()); } This is the first test that is failing because I am no longer validating the getPort() part. Hopefully somebody can help me out. I think I am not using the right class to validate url's?? P.S: I don't want to connect to the server to validate the URI is correct. At least not yet in this step. I only want to validate scheme.

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• Extracting a specific value from command-line output using powershell

  - by Andrew Shepherd

  I've just started learning PowerShell this morning, and I'm grappling with the basics. Here's the problem: I want to query subversion for the revision number of a repository, and then create a new directory with this revision number. The command svn_info outputs a number of label\value pairs, delimited by colons. For example Path: c# URL: file:///%5Copdy-doo/Archive%20(H)/Development/CodeRepositories/datmedia/Development/c%23 Repository UUID: b1d03fca-1949-a747-a1a0-046c2429f46a Revision: 58 Last Changed Rev: 58 Last Changed Date: 2011-01-12 11:36:12 +1000 (Wed, 12 Jan 2011) Here is my current code which solves the problem. Is there a way to do this with less code? I'm thinking that with the use of piping you could do this with one or two lines. I certainly shouldn't have to use a temporary file. $RepositoryRoot = "file:///%5Cdat-ftp/Archive%20(H)/Development/CodeRepositories/datmedia" $BuildBase="/Development/c%23" $RepositoryPath=$RepositoryRoot + $BuildBase # Outputing the info into a file svn info $RepositoryPath | Out-File -FilePath svn_info.txt $regex = [regex] '^Revision: (\d{1,4})' foreach($info_line in get-content "svn_info.txt") { $match = $regex.Match($info_line); if($match.Success) { $revisionNumber = $match.Groups[1]; break; } } "Revision number = " + $revisionNumber;

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• How to keep relative position of WPF elements on background image

  - by Masterfu

  Hi folks, I am new to WPF, so the answer to the following question might be obvious, however it isn't to me. I need to display an image where users can set markers on (As an example: You might want to mark a person's face on a photograph with a rectangle), however the markers need to keep their relative position when scaling the image. Currently I am doing this by using a Canvas and setting an ImageBrush as Background. This displays the image and I can add elements like a Label (as replacement for a rectangle) on top of the image. But when I set a label like this, it's position is absolute and so when the underlying picture is scaled (because the user drags the window larger) the Label stays at it's absolute position (say, 100,100) instead of moving to the new position that keeps it "in sync" with the underlying image. To cut the matter short: When I set a marker on a person's eye, it shouldn't be on the person's ear after scaling the window. Any suggestions on how to do that in WPF? Maybe Canvas is the wrong approach in the first place? I could keep a collection of markers in code and recalculate their position every time the window gets resized, but I hope there is a way to let WPF do that work for me :-) I am interested in hearing your opinions on this. Thanks

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• sphinx xmlpipe2 cassandra and ruby 1.9

  - by user369083

  Hi, I start to using cassandra and I want to index my db with sphinx. I wrote ruby script which is used as xmlpipe, and I configure sphinx to use it. source xmlsrc { type = xmlpipe2 xmlpipe_command = /usr/local/bin/ruby /home/httpd/html/app/script/sphinxpipe.rb } When I run script from console output looks fine, but when I run indexer sphinx return error $ indexer test_index Sphinx 0.9.9-release (r2117) Copyright (c) 2001-2009, Andrew Aksyonoff using config file '/usr/local/etc/sphinx.conf'... indexing index 'test_index'... ERROR: index 'test_index': source 'xmlsrc': attribute 'id' required in <sphinx:document> (line=10, pos=0, docid=0). total 0 docs, 0 bytes total 0.000 sec, 0 bytes/sec, 0.00 docs/sec total 0 reads, 0.000 sec, 0.0 kb/call avg, 0.0 msec/call avg total 0 writes, 0.000 sec, 0.0 kb/call avg, 0.0 msec/call avg my script is very simple $stdout.sync = true puts %{<?xml version="1.0" encoding="utf-8"?>} puts %{<sphinx:docset>} puts %{<sphinx:schema>} puts %{<sphinx:field name="body"/>} puts %{</sphinx:schema>} puts %{<sphinx:document id="ba32c02e-79e2-11df-9815-af1b5f766459">} puts %{<body><![CDATA[aaa]]></body>} puts %{</sphinx:document>} puts %{</sphinx:docset>} I use ruby 1.9.2-head, ubuntu 10.04, sphinx 0.9.9 How can I get this to work?

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• Cocoa NSStream works with SSL, with socks5, but not at the same time

  - by Evan D

  Upon connecting (to an FTP, at first without SSL) I run: NSArray *objects = [NSArray arrayWithObjects:@"proxy.ip", [NSNumber numberWithInt:1080], NSStreamSOCKSProxyVersion5, @"user", @"pass", nil]; NSArray *keys = [NSArray arrayWithObjects:NSStreamSOCKSProxyHostKey, NSStreamSOCKSProxyPortKey, NSStreamSOCKSProxyVersionKey, NSStreamSOCKSProxyUserKey, NSStreamSOCKSProxyPasswordKey, nil]; NSDictionary *proxyDictionary = [NSDictionary dictionaryWithObjects:objects forKeys:keys]; [iStream retain]; [iStream setDelegate:self]; [iStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; [iStream setProperty:proxyDictionary forKey:NSStreamSOCKSProxyConfigurationKey]; [iStream open]; same for iStream. This allows me to connect succesfully through a socks5 proxy. If I continue without setProperty:proxyDictionary... (socks5 disabled) I would tell the server to switch to SSL, and then successfully apply these settings to the in/output streams, thus giving me a SSL connection: NSMutableDictionary *settings = [NSMutableDictionary dictionaryWithCapacity:1]; [settings setObject:(NSString *)NSStreamSocketSecurityLevelTLSv1 forKey:(NSString *)kCFStreamSSLLevel]; // to allow selfsigned certificates: [settings setObject:[NSNumber numberWithBool:YES] forKey:(NSString *)kCFStreamSSLAllowsAnyRoot]; [iStream retain]; [iStream setDelegate:self]; [iStream scheduleInRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode]; CFReadStreamSetProperty((CFReadStreamRef)iStream, kCFStreamPropertySSLSettings, (CFTypeRef)settings); [iStream setProperty:NSStreamSocketSecurityLevelTLSv1 forKey:NSStreamSocketSecurityLevelKey]; same for oStream. All of which works fine if I disable socks5. If I turn it on (line 7 in the first snippit) I lose contact when applying the SSL settings. If I had to guess, I'd think it's losing some properties when applying (ssl) "settings"? Please help :) Evan

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• TwoWay Binding to ListBox SelectedItem on more than one list box in WPF

  - by Dan Bryant

  I have a scenario where I have a globally available Properties window (similar to the Properties window in Visual Studio), which is bound to a SelectedObject property of my model. I have a number of different ways to browse and select objects, so my first attempt was to bind them to SelectedObject directly. For example: <ListBox ItemsSource="{Binding ActiveProject.Controllers}" SelectedItem="{Binding SelectedObject, Mode=TwoWay}"/> <ListBox ItemsSource="{Binding ActiveProject.Machines}" SelectedItem="{Binding SelectedObject, Mode=TwoWay}"/> This works well when I have more than one item in each list, but it fails if a list has only one item. When I select the item, SelectedObject is not updated, since the list still thinks its original item was selected. I believe this happens because the two way binding simply ignores the update from source when SelectedObject is not an object in the list, leaving the list's SelectedItem unchanged. In this way, the bindings become out of sync. Does anybody know of a way to make sure the list boxes reset their SelectedItem when the SelectedObject is not in the list? Is there a better way to do this that doesn't suffer from this problem?

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• Replication: SQL Server 2008 Publisher with SQL Server Express 2005 Subscriber

  - by Jeremy

  Here is the setup: SQL Server 2008 Enterprise Server with a Merge Publication. SQL Server 2005 Express with pull subscription. There is no web or ftp setup. This is direct merge replication. Using the RMO objects from C#, I get a "class cannot be found." COM Error when accessing the MergePullSubscription.SynchronizationAgent property. I've tried with both the 2008 RMO dll's (version 10 dll's) and the 2005 RMO dll's (version 9 dll's). When trying to use replmerge.exe, I get the following: 2010-04-10 04:12:05.263 Microsoft SQL Server Merge Agent 9.00.1399.06 2010-04-10 04:12:05.294 Copyright (c) 2000 Microsoft Corporation 2010-04-10 04:12:05.294 2010-04-10 04:12:05.294 The timestamps prepended to the output lines are express ed in terms of UTC time. 2010-04-10 04:12:05.294 User-specified agent parameter values: -Publisher SUN -PublisherDB PRIMROSE -PublisherSecurityMode 1 -Publication PRIMROSE -Distributor SUN -DistributorSecurityMode 1 -Subscriber PVILLE\SQLEXPRESS -SubscriberSecurityMode 1 -SubscriberDB PRIMROSE -SubscriptionType 1 -DistributorLogin sa -DistributorPassword ********** -DistributorSecurityMode 0 -PublisherLogin sa -PublisherPassword ********** -PublisherSecurityMode 0 -SubscriberLogin sa -SubscriberPassword ********** -SubscriberSecurityMode 0 2010-04-10 04:12:05.325 Connecting to Subscriber 'PVILLE\SQLEXPRESS' 2010-04-10 04:12:05.481 Connecting to Distributor 'SUN' 2010-04-10 04:12:05.513 The version of SQL Server running at the Distributor(10. 0.2531.??????????????????) is not compatible with the version of SQL Server runn ing at the Subscriber(9.00.1399.???????L?L?LHL?L?L?L?,?). 2010-04-10 04:12:05.513 Category:NULL Source: Merge Process Number: -2147200979 Message: The version of SQL Server running at the Distributor(10.0.2531.???????? ??????????) is not compatible with the version of SQL Server running at the Subs criber(9.00.1399.???????L?L?LHL?L?L?L?,?). Any ideas?

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• Amazon ELB CNAME record not working

  - by BarthQuay

  Hi there, I have set up my EC2 infrastructure behind an ELB instance and by using the ELBs DNS name everything works as expected. Now i wanted to forward a subdomain of my main project domain to the ELBs DNS Name with a CNAME entry. I did this about 12 hours ago and it doesnt seem to work, and i dont know why. The subdomain just cant be resolved. This is the DNS entry which was processed from my DNS provider without errors yesterday: @ IN A 111.111.111.111 localhost IN A 127.0.0.1 mail IN A 111.111.111.111 www IN A 111.111.111.111 ftp IN CNAME www beta IN CNAME myelbnamehere.eu-west-1.elb.amazonaws.com imap IN CNAME www loopback IN CNAME localhost pop IN CNAME www relay IN CNAME www smtp IN CNAME www @ IN MX 10 mail Using nslookup, all the subdomains and main domain gets looked up correctly, but beta.domain.com doesnt. I get "** server can't find beta.domain.com: NXDOMAIN" What am i doing wrong ? Do i need to wait longer ? When i use the ELB DNS name directly everything works as expected. When i do an NSlookup on my providers DNS Server, the CNAME gets resolved, but it looks like any other DNS server cant find the subdomain thanks in advance

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• DateFormat conversion problem in java?

  - by androidbase Praveen

  my input String is : 2010-03-24T17:28:50.000Z output pattern is like: DateFormat formatter1 = new SimpleDateFormat("EEE. MMM. d. yyyy"); i convert this like this: formatter1.format(new Date("2010-03-24T17:28:50.000Z"));//illegalArgumentException here the string "2010-03-24T17:28:50.000Z" ouput should be like this: Thu. Mar. 24. 2010 idea but i get a illegalArgumentException. Dont know why? any idea?? stacktrace message is: 04-08 19:50:28.326: WARN/System.err(306): java.lang.IllegalArgumentException 04-08 19:50:28.345: WARN/System.err(306): at java.util.Date.parse(Date.java:447) 04-08 19:50:28.355: WARN/System.err(306): at java.util.Date.<init>(Date.java:157) 04-08 19:50:28.366: WARN/System.err(306): at com.example.brown.Bru_Tube$SelectDataTask.doInBackground(Bru_Tube.java:222) 04-08 19:50:28.366: WARN/System.err(306): at com.example.brown.Bru_Tube$SelectDataTask.doInBackground(Bru_Tube.java:1) 04-08 19:50:28.405: WARN/System.err(306): at android.os.AsyncTask$2.call(AsyncTask.java:185) 04-08 19:50:28.415: WARN/System.err(306): at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:305) 04-08 19:50:28.415: WARN/System.err(306): at java.util.concurrent.FutureTask.run(FutureTask.java:137) 04-08 19:50:28.446: WARN/System.err(306): at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1068) 04-08 19:50:28.456: WARN/System.err(306): at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:561) 04-08 19:50:28.466: WARN/System.err(306): at java.lang.Thread.run(Thread.java:1096)

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• The nexus of MSDeploy, MSBuild and Hudson

  - by roufamatic

  Hey, I have experience with MSBuild and Hudson, but am new to MSDeploy. I currently have a simple solution with one web application project. I set up a build configuration and am using the "Publish" command (Visual Studio 2010) to simply copy files to a local folder and do config file replacement. What I would like to do is automate this using Hudson. So I figure I'll create an MSBuild script that will Perform the build (by calling out to the project file with my desired build configuration) Call MSDeploy to do all the same things that the "Publish" command is doing, except copy the files to a different folder. Configure Hudson to poll subversion and perform steps 1 & 2 when changes are detected Step 2 is where I'm getting lost. I assumed that the project.xml file that was created by VS2010 corresponded to -verb:sync -source:manifest=project.xml options, but msdeploy is choking on that xml file so clearly that's not what it's intended for. What command is Visual Studio executing under the covers to perform the config file replacement and the file copy? How do I automate the Publish command?

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• 'Hot code replace' not working -- Eclipse doesn't change any code on JBoss

  - by Bernhard V

  Hello, fellow visitors! I'm currently experiencing a problem with 'hot code replace' not working on Eclipse Galileo and JBoss 4.2.3. Among other applications I'm running an exploded Java WAR on my local JBoss. The project from which it is build is managed by Maven. I build the project using the Maven goal war:exploded and then I copy that directory to JBoss with an ANT script. When I'm now running the application and set a breakpoint anywhere in the code, Eclipse properly halts at that line in the debug mode. But when I'm making a change to the source file and save it, Eclipse doesn't apply this change to the JBoss. For example, when I make a normal code line into a comment, the debugger still steps over this comment as if it was regular Java code. Or when I remove a line, the debugger seems to get out of sync with the file and starts stepping over parenthesis. But I'm not getting any 'hot code replace error'-messages either. It seems to me that Eclipse applies the changes to the source files, but doesn't apply it to the JBoss. Are there any special preferences that have to be turned on in order to make hot code replace work? Or are there any mistakes in how I build and deploy the application to the JBoss? I'd appreciate your help very much. Thank you. Bernhard V

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• URL Encoding using C#

  - by masfenix

  I have an application which I've developed for a friend. It sends a POST request to the VB forum software and logs someone in (with out setting cookies or anything). Once the user is logged in I create a variable that creates a path on their local machine. c:\tempfolder\date\username The problem is that some usernames are throwing "Illegal chars" exception. For example if my username was mas|fenix it would throw an exception.. Path.Combine( _ Environment.GetFolderPath(System.Environment.SpecialFolder.CommonApplicationData), _ DateTime.Now.ToString("ddMMyyhhmm") + "-" + form1.username) I don't want to remove it from the string, but a folder with their username is created through FTP on a server. And this leads to my second question. If I am creating a folder on the server can I leave the "illegal chars" in? I only ask this because the server is Linux based, and I am not sure if Linux accepts it or not.. EDIT: It seems that URL encode is NOT what I want.. Here's what I want to do: old username = mas|fenix new username = mas%xxfenix Where %xx is the ASCII value or any other value that would easily identify the character.

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• Git branching / rebasing good practices

  - by Pawel Krupinski

  I have a following scenario: 3 branches: - Master - MyBranch branched off Master for the purpose of developing a new feature of the system - MyBranchLocal branched off MyBranch as my local copy of the branch MyBranch is being rebased against and pushed to by other developers (who are working on the same feature as I am). As the owner of the MyBranch branch I want to keep it in sync with Master by rebasing. I also need to merge the changes I make to MyBranchLocal with MyBranch. What is a good way to do that? Couple of possible scenarios I tried so far: I. 1. Commit change to MyBranchLocal 2. Rebase MyBranch against Master 3. Rebase MyBranchLocal against MyBranch 4. Merge MyBranch with MyBranchLocal II. 1. Commit change to MyBranchLocal 2. Merge MyBranch with MyBranchLocal 3. Rebase MyBranch against Master 4. Rebase MyBranchLocal against MyBranch III. 1. Commit change to MyBranchLocal 2. Rebase MyBranch against Master 3. Merge MyBranch with MyBranchLocal 4. Rebase MyBranchLocal against MyBranch I already know that scenario III seems to be messing the commit history up a lot, potentially duplicating commits. What is your experience? What scenarios do you recommend?

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• How to keep character encoding with database queries.

  - by JasonS

  Hi, I am doing the following. 1) I am exporting a database and saving it to a file called dump.sql. 2) The file is then transferred to a different server via PHP ftp. 3) When the file has been successfully transferred the administrator has an option to run a 'dbtransfer' script on the new host. 4) This script blows up the script and runs the queries line by line. This works great - however there is a problem with foreign language encoding. We are using UTF-8. Step 1 : This works fine, file is in UTF-8 Format. Step 3 : When I test the contents of the dump.sql file using mb_check_encoding(). The string comes back as UTF-8. Step 4 : This creates tables with utf8_general_ci encoding. The information is dumped in. When I check the table after the transfer I get records like this: 'ç,Ç,ö,Ö,ü,Ü,ı,İ,ş,Ş,ğ,Ğ'. I don't understand how a UTF-8 string can lose its encoding when it goes into the database. Am I missing a step? Do I need to run some sort of function to ensure the string is parsed as UTF-8? Once the system is installed I can save foreign language queries. It is just the transfer that is messing up. Any ideas?

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• What are some strategies for maintaining a common database schema with a team of developers and no D

  - by Mahmoud Abdelkader

  I'm curious about how others have approached the problem of maintaining and synchronizing database changes across many (10+) developers without a DBA? What I mean, basically, is that if someone wants to make a change to the database, what are some strategies to doing that? (i.e. I've created a 'Car' model and now I want to apply the appropriate DDL to the database, etc..) We're primarily a Python shop and our ORM is SQLAlchemy. Previously, we had written our models in such a way to create the models using our ORM, but we recently ditched this because: We couldn't track changes using the ORM The state of the ORM wasn't in sync with the database (e.g. lots of differences primarily related to indexes and unique constraints) There was no way to audit database changes unless the developer documented the database change via email to the team. Our solution to this problem was to basically have a "gatekeeper" individual who checks every change into the database and applies all accepted database changes to an accepted_db_changes.sql file, whereby the developers who need to make any database changes put their requests into a proposed_db_changes.sql file. We check this file in, and, when it's updated, we all apply the change to our personal database on our development machine. We don't create indexes or constraints on the models, they are applied explicitly on the database. I would like to know what are some strategies to maintain database schemas and if ours is seems reasonable. Thanks!

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• C# File IO with Streams - Best Memory Buffer Size

  - by AJ

  Hi, I am writing a small IO library to assist with a larger (hobby) project. A part of this library performs various functions on a file, which is read / written via the FileStream object. On each StreamReader.Read(...) pass, I fire off an event which will be used in the main app to display progress information. The processing that goes on in the loop is vaired, but is not too time consuming (it could just be a simple file copy, for example, or may involve encryption...). My main question is: What is the best memory buffer size to use? Thinking about physical disk layouts, I could pick 2k, which would cover a CD sector size and is a nice multiple of a 512 byte hard disk sector. Higher up the abstraction tree, you could go for a larger buffer which could read an entire FAT cluster at a time. I realise with today's PC's, I could go for a more memory hungry option (a couple of MiB, for example), but then I increase the time between UI updates and the user perceives a less responsive app. As an aside, I'm eventually hoping to provide a similar interface to files hosted on FTP / HTTP servers (over a local network / fastish DSL). What would be the best memory buffer size for those (again, a "best-case" tradeoff between perceived responsiveness vs. performance). Thanks in advance for any ideas, Adam

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• How to deploy on a remote machine using hudson's WAS Builder Plugin?

  - by Peter Schuetze

  I have a hudson build server (Windows) that does not have Websphere installed. I created a Hudson node that I connect to via SSH. I also installed the WAS Builder Plugin to run jython scripts on the AIX machine. The job that uses the WAS Builder Plugin is tied to the AIX box. I run into errors. Does anybody know, whether that setup might work or if a different setup will work for the WAS Builder Plugin? EDIT: I get following Error Message: [test] $ cmd /c call /tmp/hudson9035964108103168395.bat FATAL: command execution failed java.io.IOException: cmd: not found at java.lang.UNIXProcess.fullPath(UNIXProcess.java:372) at java.lang.UNIXProcess.<init>(UNIXProcess.java:178) at java.lang.ProcessImpl.start(ProcessImpl.java:114) at java.lang.ProcessBuilder.start(ProcessBuilder.java:466) at hudson.Proc$LocalProc.<init>(Proc.java:149) at hudson.Proc$LocalProc.<init>(Proc.java:121) at hudson.Launcher$LocalLauncher.launch(Launcher.java:633) at hudson.Launcher$ProcStarter.start(Launcher.java:268) at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:778) at hudson.Launcher$RemoteLaunchCallable.call(Launcher.java:754) at hudson.remoting.UserRequest.perform(UserRequest.java:114) at hudson.remoting.UserRequest.perform(UserRequest.java:48) at hudson.remoting.Request$2.run(Request.java:270) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:432) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:284) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:665) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:690) at java.lang.Thread.run(Thread.java:810) Finished: FAILURE I am wondering whether that plugin can be executed on a slave, especially in my case where the master is on Windows and the slave on AIX.

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• Python + QT + Gstreamer

  - by Ptterb

  Hi everyone, I'm working with PyQt and trying to get video from a webcam to play within a QT widget. I've found tutorials for C and Qt, and for python and gtk, but NOTHING for this combo of pyQt and gstreamer. Anybody get this working? This plays the video fine, but in a separate window: self.gcam = gst.parse_launch('v4l2src device=/dev/video0 ! autovideosink') self.gcam.set_state(gst.STATE_PLAYING) what I need is to get the overlay working so it's displayed within a widget on my GUI. Thanks, Gurus of the internet! ok, so I've gotten a lot farther, but still in need of some help. I'm actually writing this for Maemo, but the following code works fine on my linux laptop: class Vid: def __init__(self, windowId): self.player = gst.Pipeline("player") self.source = gst.element_factory_make("v4l2src", "vsource") self.sink = gst.element_factory_make("autovideosink", "outsink") self.source.set_property("device", "/dev/video0") self.scaler = gst.element_factory_make("videoscale", "vscale") self.window_id = None self.windowId = windowId self.player.add(self.source, self.scaler, self.sink) gst.element_link_many(self.source,self.scaler, self.sink) bus = self.player.get_bus() bus.add_signal_watch() bus.enable_sync_message_emission() bus.connect("message", self.on_message) bus.connect("sync-message::element", self.on_sync_message) def on_message(self, bus, message): t = message.type if t == gst.MESSAGE_EOS: self.player.set_state(gst.STATE_NULL) elif t == gst.MESSAGE_ERROR: err, debug = message.parse_error() print "Error: %s" % err, debug self.player.set_state(gst.STATE_NULL) def on_sync_message(self, bus, message): if message.structure is None: return message_name = message.structure.get_name() if message_name == "prepare-xwindow-id": win_id = self.windowId assert win_id imagesink = message.src imagesink.set_property("force-aspect-ratio", True) imagesink.set_xwindow_id(win_id) def startPrev(self): self.player.set_state(gst.STATE_PLAYING) print "should be playing" vidStream = Vid(wId) vidStream.startPrev() where wId is the window id of the widget im trying to get to display the output in. When I run this on the N900, the screen goes black and blinks. Any ideas? I'm dying here!

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• Having problem with jQuery Countdown? Function serverSync: serverTime

  - by ricky roy

  serverSync: serverTime Function return value from server but I have checked both server and client time both are same.When i called server to sync with server it will not display countdown. help me ? $(function() { var shortly = new Date(); var newTime = new Date('April 9, 2010 20:38:10'); //for loop divid /// $('#defaultCountdown').countdown({ until: shortly, onExpiry: liftOff, onTick: watchCountdown, serverSync: serverTime }); $('#div1').countdown({ until: newTime }); }); function serverTime() { var time = null; $.ajax({ type: "POST", //Page Name (in which the method should be called) and method name url: "Default.aspx/GetTime", // If you want to pass parameter or data to server side function you can try line contentType: "application/json; charset=utf-8", dataType: "json", data: "{}", async: false, //else If you don't want to pass any value to server side function leave the data to blank line below //data: "{}", success: function(msg) { //Got the response from server and render to the client time = new Date(msg.d); alert(time); }, error: function(msg) { time = new Date(); alert('1'); } }); shortly = time; return time; }

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