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• Sorting in Matlab

  - by smichak

  Hi, I would like to sort elements in a comma-separated list. The elements in the list are structs and I would like the list to be sorted according to one of the fields in the struct. For example, given the following code: L = {struct('obs', [1 2 3 4], 'n', 4), struct('obs', [6 7 5 3], 'n', 2)}; I would want to have a way to sort L by the field 'n'. Matlab's sort function only works on matrices or arrays and on lists of strings (not even lists of numbers). Any ideas on how that may be achieved? Thanks, Micha

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• What frameworks exist for data subscription and update?

  - by Timothy Pratley

  There is one server with multiple clients. The clients are viewing subsets of the servers entire data. If the data that a client is viewing changes, the client should be informed of the changes so that it displays the current data. Example: Two clients are viewing a list of users in an administration screen. One client adds a new user to the list and modifies the permissions of another user. The other client sees the changes propagated to their view. In the client side code I would like the users list to be updated by the framework itself, raising changed events such that it will be redrawn - similar to 'cells' or dataflow. I am looking specifically for a .NET or java implementation.

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• knockout.js with optionsValue and value

  - by Mike Flynn

  Is there a way to keep the value binding to the object, but have the optionsValue be a property on the object. As of now if I specify both, the optionsValue property that is selected will populate the value binding. Id like to keep the object intact in the observable, but specify what value to be set in the select list value. This way a form submit will send the optionsValue I chose. @Html.DropDownListFor(q => q.DivisionId, new SelectList(Enumerable.Empty<string>()), new { data_bind="options: divisions, optionsText: 'Name', optionsValue: 'Id', value: division, optionsCaption: ' - '" }) function AddCrossPoolGameDialog() { var self = this; self.divisions = ko.observableArray([]); self.division = ko.observable(); self.awayDivisionTeams = ko.computed(function () { var division = ko.utils.arrayFirst(self.divisions(), function(item) { return self.division.Name() == item.Name; }); if (division) { return division.DivisionTeamPools; } return []; }); }

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• Copying info from the device manager to the clipboard

  - by user12816

  I have a Logitech webcam, which I can plug into my Windows XP machine via USB. When I open the Device Manager, I can select the webcam and choose Properties--Driver--Driver Details. This gives me the following list of driver filenames: C:\Program Files\Common Files\logishrd\WUApp32.exe [25 more filenames...] C:\WINDOWS\TWAIN_32\QuickCam\reset.wav My question is, is there any way to copy this list to the clipboard? Copying it by hand is a drag.

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• Two way binding when setter is overriden

  - by Nicolas Goy

  I have an NSTextField bound to some object "zoom" property. In this object's class implementation, I have the following - (void)setZoom:(CGFloat)zoom { _zoom = MAX(0, MIN(10, zoom)); } If I write "-5" in the textfield, setZoom: will be called with "-5" as argument and _zoom will be set to 0. Then problem is that the textfield is not updating itself and it shows "-5" instead of re-reading the property value it has just set. If I do myObject.zoom = -5; in code, the text field will display 0 correctly. I tried to wrap _zoom =... inside willChangeValueForKey/didChangeValueForKey calls but it didn't change anything.

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• Predicates and Lists

  - by George

  Hello guys, I have a generic list. Some elements of this list belong to a parent element. I retrieved all these elements from a database and i want to recursively build a tree with them. So, here's what i'm thinking: Here is my predicate: public static bool FindChildren(Int32 parentId,CategoryMapping catMapping) { if (catMapping.parentId == parentId) { return true; } else { return false; } } root = list[0]; root.childrenElements = root.FindAll(FindChildren(root.id,???) I can't figure out how this would work. How can i do this kind of predicate?

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• CSS3 text-shadow effect with jQuery

  - by Marco

  Hello, I wanted to be able to create a effect identical to CSS3 text-shadow Property, making it available to browsers that doesn’t support this CSS3 Property (like IE 7 and 8). And so I found two plugins: Text Shadow and Drop Shadow Effect. I decided to use Text Shadow, because it was released in the end of 2008, and because it was more straightforward. This worked great for IE8. However in IE7 shadows have twice the distance to the text, and links are weird. IE8 image IE7 image I am searching for a fix, or an alternative to this problem.

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• TreeView binding issue in WPF

  - by Michael Stoll

  Consider the following data structure: List<Person> People; class Person { List<Car> Cars; List<Hobby> Hobbies; } I want to bind a TreeView to this structure. And it should look like this: People > Frank > Cars > BMW > Ford > Hobbies > Tennis > Golf > Jane > Cars > Hobbies How can this be achieved in XAML? This is a follow up question to binding-a-treeview-with-contextmenu-in-xaml

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• Memory allocation for collections in .NET

  - by Yogendra

  This might be a dupe. I did not find enough information on this. I was discussing memory allocation for collections in .Net. Where is the memory for elements allocated in a collection? List<int> myList = new List<int>(); The variable myList is allocated on stack and it references the List object created on heap. The question is when int elements are added to the myList, where would they be created ? Can anyone point the right direction?

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• Spring 3.0 MVC mvc:view-controller tag

  - by gouki

  Here's a snippet of my mvc-config.xml <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="prefix" value="/WEB-INF/views/"/> <property name="suffix" value=".jsp"/> </bean> <mvc:view-controller path="/index" view-name="welcome"/> <mvc:view-controller path="/static/login" view-name="/static/login"/> <mvc:view-controller path="/login" view-name="/static/login"/> I have the welcome.jsp on /WEB-INF/view/ directory and login.jsp on /WEB-INF/view/static/. This work for '/index' and '/login' paths. But I'm getting 404 response for '/static/login' when invoked from the browser. I'm expecting that '/static/login/' and '/login' should behave the same. What could be wrong here? Would appreciate any help. Thanks!

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• How do you map a composite id to a composite user type with Fluent NHibernate?

  - by gabe

  i'm working w/ a legacy database is set-up stupidly with an index composed of a char id column and two char columns which make up a date and time, respectively. I have created a icompositeusertype for the date and time columns to map to a single .NET DateTime property on my entity, which works by itself when not part of the id. i need to somehow use a composite id with key property mapping that includes my icompositeusertype for mapping to the two char date and time columns. Apparently w/ my version of Fluent NHibernate, CompositeIdentityPart doesn't have a CustomTypeIs() method, so i can't just do the following in my override: mapping.UseCompositeId() .WithKeyProperty(x => x.Id, CommonDatabaseFieldNames.Id) .WithKeyProperty(x => x.FileCreationDateTime) .CustomTypeIs<FileCreationDateTimeType>(); is something like this even possible w/ NHibernate let alone Fluent? I haven't been able to find anything on this.

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• Are there any C# collections where modification does not invalidate iterators?

  - by young-phillip

  Are there any data structures in the C# Collections library where modification of the structure does not invalidate iterators? Consider the following: List<int> myList = new List<int>(); myList.Add( 1 ); myList.Add( 2 ); List<int>.Enumerator myIter = myList.GetEnumerator(); myIter.MoveNext(); // myIter.Current == 1 myList.Add( 3 ); myIter.MoveNext(); // throws InvalidOperationException

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• Fluent NHibernate CheckProperty and Dates

  - by Chris C

  I setup a NUnit test as such: new PersistenceSpecification<MyTable>(_session) .CheckProperty(c => c.ActionDate, DateTime.Now); When I run the test via NUnit I get the following error: SomeNamespace.MapTest: System.ApplicationException : Expected '2/23/2010 11:08:38 AM' but got '2/23/2010 11:08:38 AM' for Property 'ActionDate' The ActionDate field is a datetime field in a SQL 2008 database. I use Auto Mapping and declare the ActionDate as a DateTime property in C#. If I change the test to use DateTime.Today the tests pass. My question is why is the test failing with DateTime.Now? Is NHibernate losing some precision when saving the date to the database and if so how do prevent the lose? Thank you.

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• viewstae and textbox in asp.net

  - by jammkie same

  How a textbox is able to persist changes (eg text) even after enableviewstate property is set to false in ASP.NET

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• SSRS 2005 Keep textbox and textfield together when page break occurs

  - by EKet

  Problem I don't have a details row or anything. I have simply a body and I dragged on textboxes for labeling textfields from my dataset. The problem is when one of the fields has too much data for the current page, it "page-breaks" at the start of the field leaving the textbox (label for the field) behind on the previous page. What I've tried Put the data field and the textbox label a) inside a rectangle - didn't work b) inside a list and the list inside a rectangle - didn't work c) inside a list with keep together property set to TRUE or FALSE - didn't work Question How would I group the textbox and the textfield so that regardless of where the pagebreak happens it includes its label?

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• Cannot play sound: device being used by another application

  - by Ecom Evolution

  I tried to change my speaker setup and every time I click "test" I get this error message on Windows 7 SP1. I tried running "sndvol" to view the applications list but the list is empty. Since I tried to test the new speaker setup, I'm now left without sound for all applications and can't get sound even if I switch back. I have not updated my sound drivers so I don't know what could have changed. What could be causing this?

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• Flex: DateField how to get the value?

  - by Yevgeny

  I' m trying to use the DateField control. I can set the current value using the selectedDate field. Adobe says: "Selecting the currently selected date in the control deselects it, sets the selectedDate property to null", so when user selects other date the selectedDate = null. How do I can get the current selected value? I only saw in the debugger that DateField's text property contains the string with selected date? Do I need to parse it back? 10x in advance yevgeny

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• Regular Expression to match unlimited number of options

  - by Pekka

  I want to be able to parse file paths like this one: /var/www/index.(htm|html|php|shtml) into an ordered array: array("htm", "html", "php", "shtml") and then produce a list of alternatives: /var/www/index.htm /var/www/index.html /var/www/index.php /var/www/index.shtml Right now, I have a preg_match statement that can split two alternatives: preg_match_all ("/\(([^)]*)\|([^)]*)\)/", $path_resource, $matches); Could somebody give me a pointer how to extend this to accept an unlimited number of alternatives (at least two)? Just regarding the regular expression, the rest I can deal with. The rule is: The list needs to start with a ( and close with a ) There must be one | in the list (i.e. at least two alternatives) Any other occurrence(s) of ( or ) are to remain untouched.

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• VBA for filtering columns

  - by Ampi Severe

  I have a big database-like sheet, first row contains headers. I would like a subset of rows of this table based on column values. Two issues: 1) VBA-wise I would like to loop through the columns, when the values for all necessary columns all match, copy the entire row into a new sheet. 2) The subset of rows is based on a list. This should be the first column to be looped through. For example I want all rows where the value in column A is equal to one of the values in my list. Is there any possibility to autofilter strings based on a list (column) of strings? EDIT Thanks to @Doug Glancy the autofiltering works now, so I've removed my (horrible) code and issue 1 is solved.

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• rvm `require': no such file to load -- rubygems (LoadError)

  - by xxd

  run a ruby code got error "rvm `require': no such file to load -- rubygems (LoadError)" bash-3.2$ rvm --default ruby-2.0.0-p451 -bash-3.2$ rvm list rvm rubies =* ruby-2.0.0-p451 [ x86_64 ] -bash-3.2$ gem list --local *** LOCAL GEMS *** bigdecimal (1.2.0) bundler (1.5.3) bundler-unload (1.0.2) executable-hooks (1.3.1) gem-wrappers (1.2.4) io-console (0.4.2) json (1.7.7) minitest (4.3.2) net-ssh (2.9.1) psych (2.0.0) rake (0.9.6) rdoc (4.0.0) rubygems-bundler (1.4.2) rvm (1.11.3.9) test-unit (2.0.0.0) -bash-3.2$ gem list --local rubygems *** LOCAL GEMS *** rubygems-bundler (1.4.2) to run the script: ruby test.rb `require': no such file to load -- rubygems (LoadError) $ cat test.rb require 'rubygems' require 'net/ssh' Net::SSH.start(............. what's going on? please advice. thanks

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• onchange on dropdownlist

  - by Abu Hamzah

  my qeustion is continuation of what i have asked see the link. http://stackoverflow.com/questions/2640001/load-country-state-city i have expand to load my drop downs list from db and i just need a way to wire onchange method in my first dropdownlist and second, please see the code. appreciate any help. $(document).ready(function() { var options = { type: "POST", url: "SearchPage.aspx/LoadCountry", data: "{}", contentType: "application/json; charset=utf-8", dataType: "json", success: function(msg) { var returnedArray = msg.d; list = $("#country"); for (var i = 0; i { list.append("" + returnedArray[i].Name + ""); } error : function(msg) { debugger } } }; $.ajax(options); }); how would i do for STATE dropdownlist ?

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• Automatic sort for excel worksheet

  - by Joseph

  I want to create a to-do list in Excel that automatically sorts the to-do entries in a list, in order of ones to do first (closest deadlines). I would also like a section that shows the tasks for today and another for high-priority tasks coming up within a week. I have not programmed in Excel before. I know Python and JavaScript, but want an Excel solution that runs inside Excel (maybe using VBA, the Excel programming language). Is this sort of thing possible in Excel?

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• Copy file from server share to local folder with Applescript

  - by user345150

  Hello. I have a folder on a server which is shared with guest access enabled. I want to be able to copy a file from that folder to a local machine with Applescript. So far I have: property source : "server:sharedfolder:file.ext" property destination : "Macintosh HD:Users:User:Documents:Folder" tell application "Finder" copy file "source" to folder "destination" end tell Which I think should work. But I get the error :Can't set folder source to destination number 10006. Any ideas? Thanks.

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• When does an ASP.NET Website project recompile?

  - by jdk

  Where's the info that tells the kinds of changes and files which cause a website project (not web application project) to recompile itself? The reason I'm asking is because we don't want users to lose their sessions. So we want to update the live website with recompile changes in the very wee hours of the morning, but would prefer to make changes during the day to expedite them. We promote to a staging server first and could watch it there but a definitive list would be nice in advance. If there's not a definitive list, a list can be started here:

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• How should I synchronize lists in WCF?

  - by mafutrct

  I've got a WCF service that offers multiple lists of items of different types. The lists can be changed on the server. Every change has to be published to all clients to make sure every client has an up-to-date copy of each server list. Currently I'm using this strategy: On login, every client receives the current status of every list. On every change, the added or removed item is sent to all clients. The drawback is that I have to create a callback for every list, since the items are of different types. Is there a pattern I could apply? Or do I really have to duplicate code for each of the lists?

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