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• Force float left with no line break no matter what

  - by Tesserex

  I'm guessing this isn't possible, but here goes. I have two tables, and I'm trying to get them to sit side-by-side so that they look like one table. The reason for this, instead of using one larger table, is that the data in the second table needs to be handled on a column basis, not row basis, for performance reasons like caching and AJAX-fetching data. So rather than have to reload the whole table for a single column, I decided to break the column out into a separate table, but have it visually seem like a single table. I can't find a way to forcibly put the second table next to the first. I can float them, but when the first table is too wide, the second one breaks to the next line. Here's the kicker: the width of the first table is dynamic. So I can't just set a huge width to their container. Well, I could set a huge width, like 1000%, but then I have a huge ugly horizontal scroll bar. So is there any way to tell the second table "Stay on that same line, no matter what! And line up right next to the previous element please!"

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• Silverlight 4, combobox databinding problem

  - by synergetic

  In my Silverlight 4 app, CustomerView (UserControl) shows Customer object as it's DataContext. Customer object has IndustryCode string property. I created combobox called cboIndustryCode and bind it to the IndustryCode property the following way: <ComboBox x:Name="cboIndustryCode" SelectedValue="{Binding IndustryCode, Mode=TwoWay}" ... /> In code-behind I populate cboIndustryCode with List of Industry object, which has Code and Name properties: cboIndustryCode.ItemsSource = industries; //which is of List<Industry> type Now, to show everything properly, in XAML I added the following: <ComboBox x:Name="cboIndustryCode" SelectedValue="{Binding IndustryCode, Mode=TwoWay}" DisplayMemberPath="Name" SelectedValuePath="Code" ... /> So, when I get a customer class from my data layer and set the DataContext to this customer instance, the cboIndustryCode properly displays industry name. But, then I edit customer (not necessarily IndustryCode) and save the object (which resets DataContext = new Customer()) and retrieve the customer again from database, and I see that cboIndustryCode no longer working. It just displays nothing, and if I select new value from the list, it does not update underlying customer object's IndustryCode property. The problem goes away, if I put the following code in the place where I set DataContext to a instance of customer, retrieved from database: Binding binding = new Binding("IndustryCode"); binding.Mode = BindingMode.TwoWay; cboIndustryCode.SetBinding(ComboBox.SelectedValueProperty, binding); So, in short, combobox's binding is reset somehow every time I save my data. Can someone tell me the reason?

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• Subsonic Access To App.Config Connection Strings From Referenced DLL in Powershell Script

  - by J Wynia

  I've got a DLL that contains Subsonic-generated and augmented code to access a data model. Actually, it is a merged DLL of that original assembly, Subsonic itself and a few other referenced DLL's into a single assembly, called "PowershellDataAccess.dll. However, it should be noted that I've also tried this referencing each assembly individually in the script as well and that doesn't work either. I am then attempting to use the objects and methods in that assembly. In this case, I'm accessing a class that uses Subsonic to load a bunch of records and creates a Lucene index from those records. The problem I'm running into is that the call into the Subsonic method to retrieve data from the database says it can't find the connection string. I'm pointing the AppDomain at the appropriate config file which does contain that connection string, by name. Here's the script. $ScriptDir = Get-Location [System.IO.Directory]::SetCurrentDirectory($ScriptDir) [Reflection.Assembly]::LoadFrom("PowershellDataAccess.dll") [System.AppDomain]::CurrentDomain.SetData("APP_CONFIG_FILE", "$ScriptDir\App.config") $indexer = New-Object LuceneIndexingEngine.LuceneIndexGenerator $indexer.GeneratePageTemplateIndex("PageTemplateIndex"); I went digging into Subsonic itself and the following line in Subsonic is what's looking for the connection string and throwing the exception: ConfigurationManager.ConnectionStrings[connectionStringName] So, out of curiosity, I created an assembly with a single class that has a single property that just runs that one line to retrieve the connection string name. I created a ps1 that called that assembly and hit that property. That prototype can find the connection string just fine. Anyone have any idea why Subsonic's portion can't seem to see the connection strings?

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• The Date type and the Android database

  - by cdonner

  I understand that SQLite stores dates as long integers. When I read rows into a cursor using the standard method (i.e. using the query() method that reads data into a cursor), the result is a date string that includes the time. If I want a different format, I have to parse the string back into a date - possible, but a bit backwards. By using a ViewBinder (as suggested in this question), I can pretty much do anything I want, but the date is already a string at the time the method executes. The accepted answer to the above question also suggests that storing dates as longs would help avoid this problem. I don't want to do that, just in case I want to interpret my data with something else than this application. Maybe I want to expose it via a provider. Is there a way to handle this in the database adapter instead, i.e. controlling the date format that the cursor contains, so that I don't have to change the schema, and don't have to parse the default output back into a Date type?

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• Fastest way to remove non-numeric characters from a VARCHAR in SQL Server

  - by Dan Herbert

  I'm writing an import utility that is using phone numbers as a unique key within the import. I need to check that the phone number does not already exist in my DB. The problem is that phone numbers in the DB could have things like dashes and parenthesis and possibly other things. I wrote a function to remove these things, the problem is that it is slow and with thousands of records in my DB and thousands of records to import at once, this process can be unacceptably slow. I've already made the phone number column an index. I tried using the script from this post: http://stackoverflow.com/questions/52315/t-sql-trim-nbsp-and-other-non-alphanumeric-characters But that didn't speed it up any. Is there a faster way to remove non-numeric characters? Something that can perform well when 10,000 to 100,000 records have to be compared. Whatever is done needs to perform fast. Update Given what people responded with, I think I'm going to have to clean the fields before I run the import utility. To answer the question of what I'm writing the import utility in, it is a C# app. I'm comparing BIGINT to BIGINT now, with no need to alter DB data and I'm still taking a performance hit with a very small set of data (about 2000 records). Could comparing BIGINT to BIGINT be slowing things down? I've optimized the code side of my app as much as I can (removed regexes, removed unneccessary DB calls). Although I can't isolate SQL as the source of the problem anymore, I still feel like it is.

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• How do i modify the XSL to change the xml format.

  - by user323719

  In the below XSL. <xsl:param name="insert-file" as="document-node()" /> <xsl:template match="*"> <xsl:variable name="input">My text</xsl:variable> <xsl:variable name="Myxml" as="element()*"> <xsl:call-template name="populateTag"> <xsl:with-param name="nodeValue" select="$input"/> </xsl:call-template> </xsl:variable> <xsl:copy-of select="$Myxml"></xsl:copy-of> </xsl:template> <xsl:template name="populateTag"> <xsl:param name="nodeValue"/> <xsl:for-each select="$insert-file/insert-data/data"> <xsl:choose> <xsl:when test="@index = 1"> <a><xsl:value-of select="$nodeValue"></xsl:value-of></a> </xsl:when> </xsl:choose> </xsl:for-each> </xsl:template> I am getting the output as: <?xml version="1.0" encoding="UTF-8"? <aMy text</a <aMy text</a <aMy text</a <aMy text</a I want template "populateTag" to retun me the xml in the below format. How do i modify the template "populateTag" to achive the same. Expected output from template "populateTag": <?xml version="1.0" encoding="UTF-8"? <a<a<a<aMy text</a</a</a</a Please give your ideas.

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• Custom HTTPHandler causing caching or session issues?

  - by Jan de Jager

  So i have a custom CMS running under .Net 3.5 written entirely in c#. The engine is optimized to render for mobile devices, but also server to normal web browsers. It also supports cookieless sessions. Great... I've chosen not to cache anything (including browser data) in order to control the rendering completely from data. This has been all good until lately. The engine implements a basic login function that simply logs the user state within a session object. The behavior is rather strange. User will click through the site no problem. Then login. The login will either go through successfully or just redisplay the login screen, suggesting a cached page being returned or redisplayed... If the login is successful the concurrent page hits will switch arbitrarily between logged in and logged out state... Also suggesting either the session state is not accessible or a cached page being returned. I have debugged the hell out of the thing.... including using fiddler and the like. When debugging the behavior disappears. Huh? One of the sites running on the engine is http://www.wiseguy.mobi (sorry customized for South Africa, so you'll probably not be able to get the password Text Message)!

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• MonoTouch: using embedded resx files on iPhone build

  - by bright

  I'm able to load and access resx files in Simulator builds of my iPhone app built using MonoTouch. The resx file entry in the csproj file looks like: <ItemGroup> <EmbeddedResource Include="MapMenu\Resources\MapMenu.resx"> <Generator>ResXFileCodeGenerator</Generator> <LastGenOutput>MapMenu.Designer.cs</LastGenOutput> </EmbeddedResource> </ItemGroup> The .resx file itself has an entry like this: <data name="Main_Menu" type="System.Resources.ResXFileRef, System.Windows.Forms"> <value>Main Menu.mm;System.String, mscorlib, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089;Windows-1252</value> </data> and the generated MapMenu.Designer.cs file has this: internal static string Main_Menu { get { return ResourceManager.GetString("Main_Menu", resourceCulture); } } As mentioned above, calling the Main_Menu accessor works fine on the simulator. On the device, however, it produces: <Notice>: Unhandled Exception: System.MissingMethodException: No constructor found for System.Resources.RuntimeResourceSet::.ctor(System.IO.UnmanagedMemoryStream) <Notice>: at System.Activator.CreateInstance (System.Type type, BindingFlags bindingAttr, System.Reflection.Binder binder, System.Object[] args, System.Globalization.CultureInfo culture, System.Object[] activationAttributes) [0x00000] in <filename unknown>:0 <Notice>: at System.Activator.CreateInstance (System.Type type, System.Object[] args, System.Object[] activationAttributes) [0x00000] in <filename unknown>:0 <Notice>: at System.Activator.CreateInstance (System.Type type, System.Object[] args) [0x00000] in <filename unknown>:0 <Notice>: at System.Resources.ResourceManager.InternalGetResourceSet (System.Globalization.CultureInfo culture, Boolean createIfNotExists, Boolean tryParents) [0x00000] in <filename unknown>:0 <Notice>: at System.Resources.ResourceManager.GetString (System.String name, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 <Notice>: at MapMenu.Resources.MapMenu.get_Main_Menu () [0x00000] in <filename unknown>:0 Did a few sanity checks, and am wondering at this point if this really is missing functionality in Monotouch. Thanks,

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• open flash chart rails x-axis issue

  - by Jimmy

  Hey guys, I am using open flash chart 2 in my rails application. Everything is looking smooth except for the range on my x axis. I am creating a line to represent cell phone plan cost over a specific amount of usage and I'm generate 8 values, 1-5 are below the allowed usage while 6-8 are demonstrations of the cost for usage over the limit. The problem I'm encountering is how to set the range of the X axis in ruby on rails to something specific to the data. Right now the values being displayed are the indexes of the array that I'm giving. When I try to hand a hash to the values the chart doesn't even load at all. So basically I need help getting a way to set the data for my line properly so that it displays correctly, right now it is treating every value as if it represents the x value of the index of the array. Here is a screen shot which may be a better description than what I am saying: http://i163.photobucket.com/albums/t286/Xeno56/Screenshot.png Note that those values are correct just the range on the x-axis is incorrect, it should be something like 100, 200, 300, 400, 500, 600, 700 Code: y = YAxis.new y.set_range(0,100, 20) x_legend = XLegend.new("Usage") x_legend.set_style('{font-size: 20px; color: #778877}') y_legend = YLegend.new("Cost") y_legend.set_style('{font-size: 20px; color: #770077}') chart =OpenFlashChart.new chart.set_x_legend(x_legend) chart.set_y_legend(y_legend) chart.y_axis = y line = Line.new line.text = plan.name line.width = 2 line.color = '#006633' line.dot_size = 2 line.values = generate_data(plan) chart.add_element(line) def generate_data(plan) values = [] #generate below threshold numbers 5.times do |x| usage = plan.usage / 5 * x cost = plan.cost * 10 values << cost end #generate above threshold numbers 3.times do |x| usage = plan.usage + ((plan.usage / 5) * x) cost = plan.cost + (usage * plan.overage) values << cost end return values end

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• Database with "Open Schema" - Good or Bad Idea?

  - by Claudiu

  The co-founder of Reddit gave a presentation on issues they had while scaling to millions of users. A summary is available here. What surprised me is point 3: Instead, they keep a Thing Table and a Data Table. Everything in Reddit is a Thing: users, links, comments, subreddits, awards, etc. Things keep common attribute like up/down votes, a type, and creation date. The Data table has three columns: thing id, key, value. There’s a row for every attribute. There’s a row for title, url, author, spam votes, etc. When they add new features they didn’t have to worry about the database anymore. They didn’t have to add new tables for new things or worry about upgrades. This seems like a terrible idea to me, but it seems to have worked out for Reddit. Is it a good idea in general, though? Or is it a peculiarity of Reddit that happened to work out for them?

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• Extra white space, on HTML output, on PHP MVC

  - by user316841

  Hi, I'm getting extra white space, that is not CSS, or nothing like it on the view output: The HTML. I've checked for ? (removed, where I could), saved UTF8 without BOM. Checked for existent white space in the beginning of each file, even at end. This is the structure: index.php - this is the entry point; MODEL/ CONTROLLER/ VIEW/ Let's say, that trough method GET, its sent the var TPL with some value. Let's call it LIST, so it pulls the LIST model, with all data and then show the right template to the user, with the right data. I used and tested, with require_once, include_once, include, even tested with readfile (just to test). The LIST Template opens the header.tpl and footer.tpl; I also tryed to remove this both includes from LIST template, but still, the extra white space continued. This is where the extra white space is coming from. This controller is placed between controller activity runs here , this is where the extra white space is coming from: $model_works-getRows(); $rows = $model_works-rows; if ( !require_once('views/list_works.tpl.php') ) { echo "Error."; } // end if clause The list_works.tpl.php, is basicly HTML with tags; I've t tested by changing the extension to something else, like html. Also, just to remember that at top of this file, we are using require_once to open the header.tpl and at bottom the footer.tpl. I've tested by removing both and the extra white space was still generated. The extra white space is being generated here: EXTRA WHITE SPACE HERE Thanks a lot for looking, ;D

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• WPF Toolkit Charting and IndependentValueBinding, IndependentValuePath

  - by Joel Barsotti

  So I'm having a problem with the charting engine from the WPF toolkit. We haven't moved our data to a proper object model, so the ItemSource is backed with a DataView. First attempt <chartingToolkit:ScatterSeries x:Name="TargetSeries" DataPointStyle="{StaticResource TargetStyle}" ItemsSource="{Binding Path=TargetSeriesData}" IndependentValueBinding="{Binding Path=TargetSeries_X}" DependentValueBinding="{Binding Path=TargetSeries_X}" /> This crashes because, I believe, it thinks the bindings are the values to plot or some sort of mismatch. Second attempt <chartingToolkit:ScatterSeries x:Name="TargetSeries" DataPointStyle="{StaticResource TargetStyle}" ItemsSource="{Binding Path=TargetSeriesData}" IndependentValuePath="{Binding Path=TargetSeries_X}" DependentValuePath="{Binding Path=TargetSeries_X}" /> This crashes during the init step becaue the Path properties aren't backed with dependency properties and therefore cannot be bound. Third attempt <chartingToolkit:ScatterSeries x:Name="TargetSeries" DataPointStyle="{StaticResource TargetStyle}" ItemsSource="{Binding Path=TargetSeriesData}" IndependentValuePath="targetFooXColumnName" DependentValuePath="targetFooYColumnName" /> Now this works! But I wanted to use the binding so I can switch from using the targetFooXColumnName to the targetFooBarXColumnName. So this solution will cause a whole lot of hacky looking code to switch the Path's manually. Anyway to fix this? Can I use some sort of convertor to get the Binding properties to correctly pull the data from the columns in the DataView? Thanks, Joel

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• array retain question

  - by Cosizzle

  Hello, im fairly new to objective-c, most of it is clear however when it comes to memory managment I fall a little short. Currently what my application does is during a NSURLConnection when the method -(void)connectionDidFinishLoading:(NSURLConnection *)connection is called upon I enter a method to parse some data, put it into an array, and return that array. However I'm not sure if this is the best way to do so since I don't release the array from memory within the custom method (method1, see the attached code) Below is a small script to better show what im doing .h file #import <UIKit/UIKit.h> @interface memoryRetainTestViewController : UIViewController { NSArray *mainArray; } @property (nonatomic, retain) NSArray *mainArray; @end .m file #import "memoryRetainTestViewController.h" @implementation memoryRetainTestViewController @synthesize mainArray; // this would be the parsing method -(NSArray*)method1 { // ???: by not release this, is that bad. Or does it get released with mainArray NSArray *newArray = [[NSArray alloc] init]; newArray = [NSArray arrayWithObjects:@"apple",@"orange", @"grapes", "peach", nil]; return newArray; } // this method is actually // -(void)connectionDidFinishLoading:(NSURLConnection *)connection -(void)method2 { mainArray = [self method1]; } // Implement viewDidLoad to do additional setup after loading the view, typically from a nib. - (void)viewDidLoad { [super viewDidLoad]; } - (void)didReceiveMemoryWarning { // Releases the view if it doesn't have a superview. [super didReceiveMemoryWarning]; // Release any cached data, images, etc that aren't in use. } - (void)viewDidUnload { mainArray = nil; // Release any retained subviews of the main view. // e.g. self.myOutlet = nil; } - (void)dealloc { [mainArray release]; [super dealloc]; } @end

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• Oracle command hangs when using view for "WHERE x IN..." subquery

  - by Calvin Fisher

  I'm working on a web service that fetches data from an oracle data source in chunks and passes it back to an indexing/search tool in XML format. I'm the C#/.NET guy, and am kind of fuzzy on parts of Oracle. Our Oracle team gave us the following script to run, and it works well: SELECT ROWID, [columns] FROM [table] WHERE ROWID IN ( SELECT ROWID FROM ( SELECT ROWID FROM [table] WHERE ROWID > '[previous_batch_last_rowid]' ORDER BY ROWID ) WHERE ROWNUM <= 10000 ) ORDER BY ROWID 10,000 rows is an arbitrary but reasonable chunk size and ROWID is sufficiently unique for our purposes to use as a UID since each indexing run hits only one table at a time. Bracketed values are filled in programmatically by the web service. Now we're going to start adding views to the indexing, each of which will union a few separate tables. Since ROWID would no longer function as a unique identifier, they added a column to the views (VIEW_UNIQUE_ID) that concatenates the ROWIDs from the component tables to construct a UID for each union. But this script does not work, even though it follows the same form as the previous one: SELECT VIEW_UNIQUE_ID, [columns] FROM [view] WHERE VIEW_UNIQUE_ID IN ( SELECT VIEW_UNIQUE_ID FROM ( SELECT VIEW_UNIQUE_ID FROM [view] WHERE ROWID > '[previous_batch_last_view_unique_id]' ORDER BY VIEW_UNIQUE_ID ) WHERE ROWNUM <= 10000 ) ORDER BY VIEW_UNIQUE_ID It hangs indefinitely with no response from the Oracle server. I've waited 20+ minutes and the SQLTools dialog box indicating a running query remains the same, with no progress or updates. I've tested each subquery independently and each works fine and takes a very short amount of time (<= 1 second), so the view itself is sound. But as soon as the inner two SELECT queries are added with "WHERE VIEW_UNIQUE_ID IN...", it hangs. Why doesn't this query work for views? In what important way are they not interchangeable here?

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• json_encode with mysql content and umlauts in utf-8

  - by i3rutus

  Hey, i feel my beard growing while trying to find out the Problem here. Basic the Problem is, that Umlauts/Special Signs äöß ... don't work. I guess everyone is sick and tired of that questions but all the solutions found online don't seem to work. Im having utf-8 content in a utf-8 Mysql Database. I feel the Problem ist somewhere in the Database connection but i just can't figure out. character_set_client utf8 character_set_connection utf8 character_set_database utf8 character_set_filesystem binary character_set_results utf8 character_set_server latin1 character_set_system utf8 Im not sure if the problem is the latin1 for character_set_server because im not into that mysql stuff. I also dont know how to change cause i can't access the mysql server's config files. Whatever is confusing me, that if i get my results from the Database and echo it, print_r gives the right result. ini_set('default_charset','utf-8'); header('Content-Type: text/plain; > charset=utf-8'); Firefox says char encode is utf-8 but if when i output: print_r($listnew); echo json_encode($listnew[5]); print_r results everything right but json_encode does wrong. print_r: [5] => Array ( [id] => 5 [data] => U-Bahnhof Theresienstraße [size] => 17 ) json_encode: {"id":5,"data":"U-Bahnhof Theresienstra\u00dfe","size":17} i know json_encode needs a utf-8 string to work properly there and i feel im having a encode trouble here but i just can't firgure out where it is. Any help would be appreciated, thanks in advance. i3

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• How do you keep your business rules DRY?

  - by Mario

  I periodically ponder how to best design an application whose every business rule exists in just a single location. (While I know there is no proverbial “best way” and that designs are situational, people must have a leaning toward one practice or another.) I work for a shop where they prefer to house as much of the business rules as possible in the database. This requires developers in many cases to perform identical front-end validations to avoid sending data to the database that will result in an exception—not very DRY. It grates me anytime I find myself duplicating any kind of logic—even lowly validation logic. I am a single-point-of-truth purist to an anal degree. On the other end of the spectrum, I know of shops that create dumb databases (the Rails community leans in this direction) and handle all of the business logic in a separate tier (in Rails the models would house “most” of this). Note the word “most” which implies that some business logic does end up spilling into other places (in Rails it might spill over into the controllers). In way, a clean separation of concerns where all business logic exists in a single core location is a Utopian fantasy that’s hard to uphold (n-tiered architecture or not). Furthermore, is see the “Database as a fortress” and would agree that it should be built on constraints that cause it to reject bad data. As such, I hold principles that cause a degree of angst as I attempt to balance them. How do you balance the database-as-a-fortress view with the desire to have a single-point-of-truth?

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• Can't ssh to ec2 permission denied (publickey)

  - by Chris Barnes

  I have existing instances running and I can connect to them fine. Even if I start a new instance from one of my saved ami's I can connect to it fine but any new public or community ami (I've tried 2 offical Ubuntu ami's and 1 Fedora quickstart ami) I get permission denied (publickey). The permissions are good on my key file. I've also tried creating a new keyfile. My ec2 firewall rules are good, I've also tried creating a new group. This is the error I'm getting. ssh -v -i ec2-keypair [email protected] OpenSSH_5.2p1, OpenSSL 0.9.7l 28 Sep 2006 debug1: Reading configuration data /Users/chris/.ssh/config debug1: Reading configuration data /etc/ssh_config debug1: Connecting to ec2-xxx.xxx.xxx.xxx.compute-1.amazonaws.com [xxx.xxx.xxx.xxx] port 22. debug1: Connection established. debug1: identity file ec2-keypair type -1 debug1: Remote protocol version 2.0, remote software version OpenSSH_5.1p1 Debian-6ubuntu2 debug1: match: OpenSSH_5.1p1 Debian-6ubuntu2 pat OpenSSH* debug1: Enabling compatibility mode for protocol 2.0 debug1: Local version string SSH-2.0-OpenSSH_5.2 debug1: SSH2_MSG_KEXINIT sent debug1: SSH2_MSG_KEXINIT received debug1: kex: server->client aes128-ctr hmac-md5 none debug1: kex: client->server aes128-ctr hmac-md5 none debug1: SSH2_MSG_KEX_DH_GEX_REQUEST(1024<1024<8192) sent debug1: expecting SSH2_MSG_KEX_DH_GEX_GROUP debug1: SSH2_MSG_KEX_DH_GEX_INIT sent debug1: expecting SSH2_MSG_KEX_DH_GEX_REPLY debug1: Host 'ec2-xxx.xxx.xxx.xxx.compute-1.amazonaws.com' is known and matches the RSA host key. debug1: Found key in /Users/chris/.ssh/known_hosts:13 debug1: ssh_rsa_verify: signature correct debug1: SSH2_MSG_NEWKEYS sent debug1: expecting SSH2_MSG_NEWKEYS debug1: SSH2_MSG_NEWKEYS received debug1: SSH2_MSG_SERVICE_REQUEST sent debug1: SSH2_MSG_SERVICE_ACCEPT received debug1: Authentications that can continue: publickey debug1: Next authentication method: publickey debug1: Trying private key: ec2-keypair debug1: read PEM private key done: type RSA debug1: Authentications that can continue: publickey debug1: No more authentication methods to try. Permission denied (publickey).

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• Map/Reduce on an array of hashes in CouchDB

  - by sebastiangeiger

  Hello everyone, I am looking for a map/reduce function to calculate the status in a Design Document. Below you can see an example document from my current database. { "_id": "0238f1414f2f95a47266ca43709a6591", "_rev": "22-24a741981b4de71f33cc70c7e5744442", "status": "retrieved image urls", "term": "Lucas Winter", "urls": [ { "status": "retrieved", "url": "http://...." }, { "status": "retrieved", "url": "http://..." } ], "search_depth": 1, "possible_labels": { "gender": "male" }, "couchrest-type": "SearchTerm" } I'd like to get rid of the status key and rather calculate it from the statuses of the urls. My current by_status view looks like the following: function(doc) { if (doc['status']) { emit(doc['status'], null); } } I tried some things but nothing actually works. Right now my Map Function looks like this: function(doc) { if(doc.urls){ emit(doc._id, doc.urls) } } And my Reduce Function function(key, value, rereduce){ var reduced_status = "retrieved" for(var url in value){ if(url.status=="new"){ reduced_status = "new"; } } return reduced_status; } The result is that I get retrieved everywhere which is definitely not right. I tried to narrow down the problem and it seems to be that value is no array, when I use the following Reduce Function I get length 1 everywhere, which is impossible because I have 12 documents in my database, each containing between 20 to 200 urls function(key, value, rereduce){ return value.length; } What am I doing wrong? (I know I want you to write code for me and I'm feeling guilty, but right now I do the calculation of the statuses in ruby after getting the data from the database. It would be nice to already get the right data from the database)

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• Google app engine issue 777 particular solution?

  - by Niklas R

  I use 64.202.189.170 (godaddy) for a HTTP access to a www...on google app engine like GAE issue 777 so that a blank subdomain forwards to www.domain I get the blank to respond by output "This website is temporarily unavailable, please try again later. " There's info about this issue here http://knol.google.com/k/google-apps-discussion-group#view and here http://code.google.com/p/googleappengine/issues/detail?id=777 Since I managed to do it with a .com domain (The godaddy DNS hosted gralumo.com correctly responds to www..) I now want to do it with an off-site DNS managed domain getting the following info about servers: $ ping montao.com.br PING montao.com.br (64.202.189.170) 56(84) bytes of data. 64 bytes from pwfwd-v01.prod.mesa1.secureserver.net (64.202.189.170): icmp_seq=1 ttl=113 time=188 ms 64 bytes from pwfwd-v01.prod.mesa1.secureserver.net (64.202.189.170): icmp_seq=2 ttl=113 time=188 ms ^C --- montao.com.br ping statistics --- 2 packets transmitted, 2 received, 0% packet loss, time 1001ms rtt min/avg/max/mdev = 188.459/188.692/188.926/0.493 ms ubuntu@ubuntu:~$ ping www.montao.com.br PING ghs.l.google.com (74.125.43.121) 56(84) bytes of data. 64 bytes from bw-in-f121.1e100.net (74.125.43.121): icmp_seq=1 ttl=56 time=30.2 ms 64 bytes from bw-in-f121.1e100.net (74.125.43.121): icmp_seq=2 ttl=56 time=28.0 ms 64 bytes from bw-in-f121.1e100.net (74.125.43.121): icmp_seq=3 ttl=56 time=24.2 ms ^C --- ghs.l.google.com ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2003ms rtt min/avg/max/mdev = 24.201/27.522/30.282/2.514 ms So it looks to me these are the same IP numbers whether or not it's off-site DNS. It's just that it works for one domain and not the other. Could it be just resetting the appspot app ie removing and adding it? Can you recommend how to proceed? Thanks in advance

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• Accurate least-squares fit algorithm needed

  - by ggkmath

  I've experimented with the two ways of implementing a least-squares fit (LSF) algorithm shown here. The first code is simply the textbook approach, as described by Wolfram's page on LSF. The second code re-arranges the equation to minimize machine errors. Both codes produce similar results for my data. I compared these results with Matlab's p=polyfit(x,y,1) function, using correlation coefficients to measure the "goodness" of fit and compare each of the 3 routines. I observed that while all 3 methods produced good results, at least for my data, Matlab's routine had the best fit (the other 2 routines had similar results to each other). Matlab's p=polyfit(x,y,1) function uses a Vandermonde matrix, V (n x 2 matrix) and QR factorization to solve the least-squares problem. In Matlab code, it looks like: V = [x1,1; x2,1; x3,1; ... xn,1] % this line is pseudo-code [Q,R] = qr(V,0); p = R\(Q'*y); % performs same as p = V\y I'm not a mathematician, so I don't understand why it would be more accurate. Although the difference is slight, in my case I need to obtain the slope from the LSF and multiply it by a large number, so any improvement in accuracy shows up in my results. For reasons I can't get into, I cannot use Matlab's routine in my work. So, I'm wondering if anyone has a more accurate equation-based approach recommendation I could use that is an improvement over the above two approaches, in terms of rounding errors/machine accuracy/etc. Any comments appreciated! thanks in advance.

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• How to implement YQL paging?

  - by Erik Vold

  I've read the YQL guide, and I keep reviewing http://developer.yahoo.com/yql/guide/yql-o...entables-paging and I have been looking at a few examples, but I'm still left pretty confused how YQL paging works. The problem that I am trying to tackle is creating a YQL open data table for the Mozilla labs Jetpack Gallery's jetpacks pages http://jetpackgallery.mozillalabs.com/jetpacks You flip through the pages of jetpacks with the ?page query variable and there is an order_by query variable. You can only see 10 results per page. Questions: List item Should I use or ? How do I specify the query parameter that indicates the page? in this case it is the 'page' query parameter. I am assuming I should use: <urls><url>http://jetpackgallery.mozillalabs.com/jetpacks</url></urls> is this correct? In the execute element, I will need to extract the details for each jetpack on the page? if so how would I organize that for the response.object? Can anyone provide some help? or perhaps point to a data table that I can look at as a reference? or better documentation on how paging works?

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• Unable to convert from Julian INT date to regular TSQL Datetime

  - by Bluehiro

  Help me Stackoverflow, I'm close to going all "HULK SMASH" on my keyboard over this issue. I have researched carefully but I'm obviously not getting something right. I am working with a Julian dates referenced from a proprietary tool (Platinum SQL?), though I'm working in SQL 2005. I can convert their "special" version of Julian into datetime when I run a select statement. Unfortunately it will not insert into a datetime column, I get the following error when I try: The conversion of a char data type to a datetime data type resulted in an out-of-range datetime value. So I can't setup datetime criteria for running a report off of the Stored Procedure. Original Value: 733416 Equivalent Calendar Value: 01-09-2009 Below is my code... I'm so close but I can't quite see what's wrong, I need my convert statement to actually convert the Julian value (733416) into a compatible TSQL DATETIME value. SELECT org_id, CASE WHEN date_applied = 0 THEN '00-00-00' ELSE convert(char(50),dateadd(day,date_applied-729960,convert(datetime, '07-25-99')),101) END AS date_applied, CASE WHEN date_posted = 0 THEN '00-00-00' ELSE convert(char(50),dateadd(day,date_posted-729960,convert(datetime, '07-25-99')),101) END AS date_posted from general_vw

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• Filter a wpf collectionviewsource in VB?

  - by Johnny Westlake

  Hi, I want to filter a collectionviewsource using a filter I've written, but I'm not sure how I can apply the filter to it? Here is my collection view source: <Grid.Resources> <CollectionViewSource x:Key="myCollectionView" Source="{Binding Path=Query4, Source={x:Static Application.Current}}"> <CollectionViewSource.SortDescriptions> <scm:SortDescription PropertyName="ContactID" Direction="Descending"/> </CollectionViewSource.SortDescriptions> </CollectionViewSource> </Grid.Resources> I have implemented a filter as such: Private Sub WorkerFilter(ByVal sender As Object, ByVal e As FilterEventArgs) Dim value As Object = CType(e.Item, System.Data.DataRow)("StaffSection") If (Not value Is Nothing) And (Not value Is DBNull.Value) Then If (value = "Builder") Or (value = "Office Staff") Then e.Accepted = True Else e.Accepted = False End If End If End Sub So how can I get the CollectionViewSource filtered by the filter on load? Could you please give all hte code I need (only a few lines I figure) as I'm quite new to coding. Thanks guys EDIT: For the record, <CollectionViewSource x:Key="myCollectionView" Filter="WorkerFilter" ... /> gives me the error: Failed object initialization (ISupportInitialize.EndInit). 'System.Windows.Data.BindingListCollectionView' view does not support filtering. Error at object 'myCollectionView'

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• Excel VBA to Update SQL Table

  - by user307655

  Hi All, I have a small excel program that is use to upload data to an SQL server. This has been working well for a while. My problem now is that I would like to offer to users a function to update an existing record in SQL. As each row on this table has a unique id columne. There is a column call UID which is the primary key. This is part of the code currently to upload new data: Set Cn = New ADODB.Connection Cn.Open "Driver={SQL Server};Server=" & ServerName & ";Database=" & DatabaseName & _ ";Uid=" & UserID & ";Pwd=" & Password & ";" rs.Open TableName, Cn, adOpenKeyset, adLockOptimistic For RowCounter = StartRow To EndRow rs.AddNew For ColCounter = 1 To NoOfFields rs(ColCounter - 1) = shtSheetToWork.Cells(RowCounter, ColCounter) Next ColCounter Next RowCounter rs.UpdateBatch ' Tidy up rs.Close Set rs = Nothing Cn.Close Set Cn = Nothing Is there anyway i can modify this code to update a particular UID rather than importing new records? Thanks again for your help

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• ASP.NET MVC2: Client-side validation not working with Start.js

  - by Shaggy13spe

  Ok, this is strange. I would hope it's something I'm doing wrong and not that MS has two technologies that simply don't work together. (UPDATE: See bottom of post for Script tag order in HEAD section) I'm trying to use the dataView template and client-side validation. If I include a reference to: <script src="http://ajax.microsoft.com/ajax/beta/0911/Start.js" type="text/javascript"></script> by itself, the dataview template works fine. but if I put in the following references: <script src="http://ajax.microsoft.com/ajax/jquery.validate/1.7/jquery.validate.min.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftAjax.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcAjax.js" type="text/javascript"></script> <script src="../../Scripts/MicrosoftMvcValidation.js" type="text/javascript"></script> then I get the following error: > Error: Type._registerScript is not a > function Source File: > http://ajax.microsoft.com/ajax/beta/0911/MicrosoftAjaxTemplates.js > Line: 1 and: > Error: Sys.get("$listings") is null > Source File: > http://localhost:12370/Listings Line: > 76 Here's the code calling the dataview: $(document).ready(function () { LoadMap(); Sys.require([Sys.components.dataView, Sys.scripts.jQuery], function() { $("#listings").dataView(); Sys.get("$listings").set_data(listings.Data); updateMap(listings.Data); }); }); I would really appreciate any help with this one. Thanks! UPDATE: I've tried moving around the order of the last 4 script tags, but to no avail.

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