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• Is there a 'RowSpan = "All"' in WPF

  - by Chris Spicer

  Take for the following for example: <GridSplitter Grid.Row="0" Grid.Column="1" Background="Yellow" HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Width="Auto" Height="Auto" Grid.RowSpan="3" ResizeDirection="Columns etc etc This will create a GridSplitter across the 3 rows that I have in my grid. However, it's conceivable that I might add another row to my grid at a later stage, and I don't really want to go back and have all of my rowspans. My first guess was Grid.RowSpan="*", but that doesn't compile. Does anyone know the answer to this off hand?

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• C# Express 2010 Multi-Threading

  - by Chris Evans

  Hi, I have a windows app that I have been running in c# Express 2008 for a year and have been trying to convert it over the last few days to 2010. The problem I am having is it is a multi-threaded application that has to run a series of code every second. What it does is have a main thread, that calls 3 worker threads, waits for them to finish then does some additional processing, sleeps till 1 second and runs again. The problem is part of the code can call a web service that takes 8 seconds to respond, so this bit of code gets called using ThreadPool.QueueUserWorkItem. The problem is when running in 2010 when this part of the code gets called the main thread continues to run but when it awakens the sub threads it hangs until the Threadpool method finishes running. This never happens in 2008. Any suggestions? So far I put that bit of code in it's own thread rather than using Threadpool but same issue.

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• trouble setting up TreeViews in pygtk

  - by Chris H

  I've got some code in a class that extends gtk.TreeView, and this is the init method. I want to create a tree view that has 3 columns. A toggle button, a label, and a drop down box that the user can type stuff into. The code below works, except that the toggle button doesn't react to mouse clicks and the label and the ComboEntry aren't drawn. (So I guess you can say it doesn't work). I can add rows just fine however. #make storage enable/disable label user entry self.tv_store = gtk.TreeStore(gtk.ToggleButton, str, gtk.ComboBoxEntry) #make widget gtk.TreeView.__init__(self, self.tv_store) #make renderers self.buttonRenderer = gtk.CellRendererToggle() self.labelRenderer = gtk.CellRendererText() self.entryRenderer = gtk.CellRendererCombo() #make columns self.columnButton = gtk.TreeViewColumn('Enabled') self.columnButton.pack_start(self.buttonRenderer, False) self.columnLabel = gtk.TreeViewColumn('Label') self.columnLabel.pack_start(self.labelRenderer, False) self.columnEntry = gtk.TreeViewColumn('Data') self.columnEntry.pack_start(self.entryRenderer, True) self.append_column(self.columnButton) self.append_column(self.columnLabel) self.append_column(self.columnEntry) self.tmpButton = gtk.ToggleButton('example') self.tmpCombo = gtk.ComboBoxEntry(None) self.tv_store.insert(None, 0, [self.tmpButton, 'example label', self.tmpCombo]) thanks.

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• iPhone SDK: Check validity of URLs with NSURL not working??

  - by Chris

  hi, I'm trying to check if a given URL is valid and i'm doing it like this: - (BOOL)urlIsValid:(NSString *)address { NSURL *testURL = [NSURL URLWithString:address]; if (testURL == nil) { return NO; } else { return YES; } } Since "URLWithString" is supposed to return "nil" if the URL is malformed I thought this would work but it doesn't for some reason. Could someone please tell me why? Thanks in advance!

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• Flashvar to included swf (in php)

  - by Chris

  How to pass a flashvar when I include the swf (to make an embedded player) Something like this does not work.. theme-basePath.'/swf/ebook.swf?xml="test"'; header("Content-Type: application/x-shockwave-flash"); readfile($player); ?

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• What tools do you use to share knowledge amongst developers in your company?

  - by Chris Ross

  I'm looking for some good tools that help to share tips, best practices, company standards, etc. amongs developers in my company. Two tools I'm currently considering are a wiki (screwturn wiki) or Sharepoint 2010. I'm wondering if there is something better suited to the task, or any input anyone has on this subject. I'd prefer something that's windows based (i.e. runs on IIS, can authenticate users against Active Directory etc) but I am open to anything.

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• jQuery delay doesn't work as expected

  - by Chris

  I have the following jQuery code $("#dropdown").hover(function() { $(this).stop(true,true).fadeTo('fast',1); $("#options").stop(true,true).slideDown(); }, function() { $(this).delay(1000).stop(true,true).fadeTo('fast',0.1); $("#options").delay(1000).stop(true,true).slideUp(); } ); What I expect to happen is when the mouse leaves #dropdown it will wait 1 second before continuing. This is not happening. What I am trying to achieve, in case there is a better way, is to leave the drop down menu visible for a second or two after moving your mouse and I would also like to prevent the events from happening again to prevent artifacts and "funnies" if you were to move the mouse over and out from the div very quickly

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• Amazon Product Advertising API: XXX is not a valid value for BrowseNodeId

  - by Chris

  Hello, I am using the Amazon product Advertising API to fetch the product categories. For US categories it is working. But using browse nodes from different sites I get the following error: "569604 is not a valid value for BrowseNodeId. Please change this value and retry your request." I got the browse-nodes from the following site: http://docs.amazonwebservices.com/AWSECommerceService/latest/DG/index.html?BrowseNodeIDs.html Where is the problem? Thanks for your help!

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• Bash Script (Cygwin) to grep a logfile for multiple phrases and output a new file for each phrase.

  - by Chris

  Each logfile is titled based on the date it was created in the format YYYY-MM-DD.txt. I need to search each file for five different keywords and output five files prepended with the specific keyword and then the original logfile name. Example: Test-YYYY-MM-DD.txt grep -i -w 'keyword1' YYYY-MM-DD.txt Keyword1-YYYY-MM-DD.txt If it's also possible to email each new file to a different person, that would be helpful as well.

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• jQuery slideToggle - when div is toggled it pushes content out of viewable area (IE)

  - by Chris

  This is an annoying ocurrance in IE when I use the jQuery slideToggle effect. Without the div being open, page looks normal. The minute I toggle the div open, it extends past the current content, overtop of the footer, and out of the viewable browser area (Even after scrolling all the way down). This feature seems to work just fine in firefox. Do I need an additional hack or CSS to make it work in IE8?

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• Preventing a child process (HandbrakeCLI) from causing the parent script to exit

  - by Chris

  I have a batch conversion script to turn .mkvs of various dimensions into ipod/iphone sized .mp4s, cropping/scaling to suit. Determining the original dimensions, required crop, output file is all working fine. However, on successful completion of the first conversion, HandbrakeCLI causes the parent script to exit. Why would this be? And how can I stop it? The code, as it currently stands: #!/bin/bash find . -name "*.mkv" | while read FILE do # What would the output file be? DST=../Touch/$(dirname "$FILE") MKV=$(basename "$FILE") MP4=${MKV%%.mkv}.mp4 # If it already exists, don't overwrite it if [ -e "$DST/$MP4" ] then echo "NOT overwriting $DST/$MP4" else # Stuff to determine dimensions/cropping removed for brevity HandbrakeCLI --preset "iPhone & iPod Touch" --vb 900 --crop $crop -i "$FILE" -o "$DST/$MP4" > /dev/null 2>&1 if [ $? != 0 ] then echo "$FILE had problems" >> errors.log fi fi done I have additionally tried it with a trap, but that didn't change the behaviour (although the last trap did fire) trap "echo Handbrake SIGINT-d" SIGINT trap "echo Handbrake SIGTERM-d" SIGTERM trap "echo Handbrake EXIT-d" EXIT trap "echo Handbrake 0-d" 0

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• Sitemap Links don't work on live site, Windows Authentication

  - by Chris

  I have a intranet site with Windows Authentication. I have 'Administrator' pages in an 'Administrator' folder that will only show for those in the admin group (windows security group) These pages work I have a folder with sub folders containing reports. These permissions are broken down for each type of report. They have similar role priveleges. When I test the application, I can navigate to the pages. When I deploy the site live on the intranet the links don't return a page. Error missing link 404. Do I need to set something in IIS?

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• Reusing an anonymous parameter in a prepared statement

  - by Chris Lieb

  I am customizing the insert SQL generated by hibernate and have hit an issue. When Hibernate generates the query by itself, it inserts data into the first two columns of the table, but this causes a database error since all four columns of the table are non-nullable. For the insert to be performed properly, it must insert the same data into two columns of the new record. This means that I need Hibernate to bind the same data to two different parameters in the query (prepared statement) that I am writing. Is there some SQL syntax that allows me to refer to anonymous parameters bound to a prepared statement in an order different from which they are bound? Details REF_USER_PAGE_XREF ---------------------------------------- PK FK1 | NETWORK_ID | VARCHAR2(100) PK FK1 | PAGE_PATH | VARCHAR2(1000) | USER_LAST_UPDT | VARCHAR2(100) | TMSP_LAST_UPDT | DATE insert into REF_USER_ROLE_XREF( NETWORK_ID, PAGE_PATH, TMSP_LAST_UPDT, USER_LAST_UPDT) values ( ?, /* want to insert the same data here */ ?, ?, /* and here */ (select to_char(sysdate, 'DD-MON-YY') from dual) I want to insert the same data into the first and third anonymous parameters.

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• Passing around a SqlConnection

  - by Chris

  I have created a TransactionScope and within the scope various items are created and updated in the database. During this process I make a lot of calls to the database. Originally I opened a SqlConnection in the beginning of the TransactionScope and passed it around to any function that made a DB call then I closed the connection after all the calls are made and before the transaction commits. Is it better to do this or to open and close a connection for each call?

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• Where to place interactive objects in JavaScript?

  - by Chris

  I'm creating a web based application (i.e. JavaScript with jQuery and lots of SVG) where the user interacts with "objects" on the screen (think of DIVs that can be draged around, resized and connected by arraows - like a vector drawing programm or a graphical programming language). As each "object" contains individual information but is allways belonging to a "class" of elements it's obvious that this application should be programmed by using an OOP approach. But where do I store the "objects" best? Should I create a global structure ("registry") with all (JS native) objects and tell them "draw yourself on the DOM"? Or should I avoid such a structure and think of the (relevant) DOM nodes as my objects and attach the relevant data as .data() to them? The first approach is very MVC - but I guess the attachment of all the event handlers will be non trivial. The second approach will handle the events in a trivial way and it doesn't create a duplicate structure, but I guess the usual OO stuff (like methods) will be more complex. What do you recomend? I think the answer will be JavaScript and SVG specific as "usual" programming languages don't have such a highly organized output "canvas".

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• How to get strongly typed local resources in a VS2008 ASP Web Site?

  - by Chris Herring

  If I create a Web Application project in visual studio 2008 I can add a resource file for a page and using the Access Modifier drop down in the resource file editor to let visual studio generate the code so that the local resources are strongly typed. However if I create a Web Site project this combo box is disabled. Is there anyway to acheive this for a web site?

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• What alternatives are there to Google App Engine?

  - by Chris Marasti-Georg

  What alternatives are there to GAE, given that I already have a good bit of code working that I would like to keep. In other words, I'm digging python. However, my use case is more of a low number of requests, higher CPU usage type use case, and I'm worried that I may not be able to stay with App Engine forever. I have heard a lot of people talking about Amazon Web Services and other sorts of cloud providers, but I am having a hard time seeing where most of these other offerings provide the range of services (data querying, user authentication, automatic scaling) that App Engine provides. What are my options here?

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• Display image at point using jQuery

  - by Chris

  I have an image with a click event handler that captures the location where you clicked. $("#image").click(function(e) { var x = e.pageX - $(this).offset().left; var y = e.pageY - $(this).offset().top; }); I want it so that when the image is clicked an image appears at that location on top of the image. How do I do this?

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• How to configure multiple mappings using FluentHibernate?

  - by chris.baglieri

  First time rocking it with NHibernate/Fluent so apologies in advance if this is a naive question. I have a set of Models I want to map. When I create my session factory I'm trying to do all mappings at once. I am not using auto-mapping (though I may if what I am trying to do ends up being more painful than it ought to be). The problem I am running into is that it seems only the top map is taking. Given the code snippet below and running a unit test that attempts to save 'bar', it fails and checking the logs I see NHibernate is trying to save a bar entity to the foo table. While I suspect it's my mappings it could be something else that I am simply overlooking. Code that creates the session factory (note I've also tried separate calls into .Mappings): Fluently.Configure().Database(MsSqlConfiguration.MsSql2008 .ConnectionString(c => c .Server(@"localhost\SQLEXPRESS") .Database("foo") .Username("foo") .Password("foo"))) .Mappings(m => { m.FluentMappings.AddFromAssemblyOf<FooMap>() .Conventions.Add(FluentNHibernate.Conventions.Helpers .Table.Is(x => "foos")); m.FluentMappings.AddFromAssemblyOf<BarMap>() .Conventions.Add(FluentNHibernate.Conventions.Helpers .Table.Is(x => "bars")); }) .BuildSessionFactory(); Unit test snippet: using (var session = Data.SessionHelper.SessionFactory.OpenSession()) { var bar = new Bar(); session.Save(bar); Assert.NotNull(bar.Id); }

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• Using a user-defined type as a primary key

  - by Chris Kaminski

  Suppose I have a system where I have metadata such as: table: ====== key name address ... Then suppose I have a user-defined type described as so: datasource datasource-key A) are there systems where it's possible to have keys based on user-defined types? B) if so, how do you decompose the keys into a form suitable for querying? C) is this a case where I'm just better off with a composite primary key?

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• lists searches in SYB or uniplate haskell

  - by Chris

  I have been using uniplate and SYB and I am trying to transform a list For instance type Tree = [DataA] data DataA = DataA1 [DataB] | DataA2 String | DataA3 String [DataA] deriving Show data DataB = DataB1 [DataA] | DataB2 String | DataB3 String [DataB] deriving Show For instance, I would like to traverse my tree and append a value to all [DataB] So my first thought was to do this: changeDataB:: Tree -> Tree changeDataB = everywhere(mkT changeDataB') chanegDataB'::[DataB] -> [DataB] changeDataB' <add changes here> or if I was using uniplate changeDataB:: Tree -> Tree changeDataB = transformBi changeDataB' chanegDataB'::[DataB] -> [DataB] changeDataB' <add changes here> The problem is that I only want to search on the full list. Doing either of these searches will cause a search on the full list and all of the sub-lists (including the empty list) The other problem is that a value in [DataB] may generate a [DataB], so I don't know if this is the same kind of solution as not searching chars in a string. I could pattern match on DataA1 and DataB3, but in my real application there are a bunch of [DataB]. Pattern matching on the parents would be extensive. The other thought that I had was to create a data DataBs = [DataB] and use that to transform on. That seems kind of lame, there must be a better solution.

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• jQuery version of YAHOO.lang (isUndefined, isNull, isString etc.)

  - by Chris S

  Does anyone know of a jQuery plugin that has 'helpers' or extensions like those found in the YAHOO.lang namespace? I have in mind functions such as: isNull isDefined isString isFunction I would also appreciate the same kind of thing for strings and arrays, such as Contains, StartsWith (I know these are easy to write, I'm just looking for a plugin that encompasses them all). It's not in the YAHOO.lang namespace but also form related extensions- determining a radiobox's value (from the one checked), a form element's type in a friendly name. Specifically a plugin with fluent API rather than selector based such as $("input[@type=radio][@checked]") Again I'm aware they're easy to implement but I don't want to reinvent the wheel.

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• Building a SharePoint 2010 RTM Environment

  - by Chris Stewart

  I'm looking to build a SharePoint 2010 RTM environment and I'm wondering if there's a guide out there for doing so. I have 4 VMs (AD, WEB, SQL, IDX) to use to build the proper environment.

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• help('modules') crashing? Not sure how to fix..

  - by Chris

  I was trying to install a module for opencv and added an opencv.pth file to the folder beyond my sites.py file. I have since deleted it and no change. When I try to run help('modules'), I get the following error: Please wait a moment while I gather a list of all available modules... /System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/twisted/words/im/init.py:8: UserWarning: twisted.im will be undergoing a rewrite at some point in the future. warnings.warn("twisted.im will be undergoing a rewrite at some point in the future.") /System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pkgutil.py:110: DeprecationWarning: The wxPython compatibility package is no longer automatically generated or actively maintained. Please switch to the wx package as soon as possible. import(name) Traceback (most recent call last): File "", line 1, in File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site.py", line 348, in call return pydoc.help(*args, **kwds) File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pydoc.py", line 1644, in call self.help(request) File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pydoc.py", line 1681, in help elif request == 'modules': self.listmodules() File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pydoc.py", line 1802, in listmodules ModuleScanner().run(callback) File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pydoc.py", line 1853, in run for importer, modname, ispkg in pkgutil.walk_packages(): File "/System/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/pkgutil.py", line 110, in walk_packages import(name) File "/BinaryCache/wxWidgets/wxWidgets-11~262/Root/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/wxaddons/init.py", line 180, in import_hook File "/Library/Python/2.5/site-packages/ctypes_opencv/init.py", line 19, in from ctypes_opencv.cv import * File "/BinaryCache/wxWidgets/wxWidgets-11~262/Root/System/Library/Frameworks/Python.framework/Versions/2.5/Extras/lib/python/wxaddons/init.py", line 180, in import_hook File "/Library/Python/2.5/site-packages/ctypes_opencv/cv.py", line 2567, in ('desc', CvMat_r, 1), # CvMat* desc File "/Library/Python/2.5/site-packages/ctypes_opencv/cxcore.py", line 114, in cfunc return CFUNCTYPE(result, *atypes)((name, dll), tuple(aflags)) AttributeError: dlsym(0x2674d10, cvCreateFeatureTree): symbol not found What gives?!

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• Cakephp: Extend search capability to hasMany Relationship

  - by Chris

  I have two models: Car hasMany Passengers Passenger belongsTo Car I want to implement a search using Cake Search. The user should input a number and the searchengine should return all cars that have less than this number passengers. In my search form: echo $form->input('passengers', array('label' => 'Passengers', 'div' => false)); In my Car model: public $filterArgs = array( array('name' => 'passengers', 'type' => 'int'), ); In the controller: public $presetVars = array( array('field' => 'passengers', 'type' => 'int') } I thought of adding a function to the model that returns the number of passengers: function countPassengers(){ return(count($this->Car->Passenger)); //Not sure if this works } And how to I implement this search criteria?: return all Cars where countPassengers()<passenger

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