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  • Rails: link_to with block and GET params?

    - by bobthabuilda
    How can I achieve query string and URL parameters in a link_to block declaration? Right now, I have this, which works: <%= link_to 'Edit', :edit, :type => 'book', :id => book %> The above works, and outputs: http://localhost:3000/books/edit/1?type=book What I want to do is something like this: <% link_to :edit, :type => 'book', :id => book do %> ... <% end %> But the above format outputs: http://localhost:3000/books/edit/ Which isn't what I'm looking for... I want it to output a URL like the previous example. How can I achieve this?

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  • Histogram matching - image processing - c/c++

    - by Raj
    Hello I have two histograms. int Hist1[10] = {1,4,3,5,2,5,4,6,3,2}; int Hist1[10] = {1,4,3,15,12,15,4,6,3,2}; Hist1's distribution is of type multi-modal; Hist2's distribution is of type uni-modal with single prominent peak. My questions are Is there any way that i could determine the type of distribution programmatically? How to quantify whether these two histograms are similar/dissimilar? Thanks

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  • Grub Solaris FreeBSD dual boot

    - by pallavt
    I have solaris 10 installed on the first hard disk and freebsd installed on the second hard disk I edited the /boot/grub/menu.lst from solaris to the following title FreeBSD root (hd1,0) kernel /boot/loader Now when I try to boot into freebsd via the grub, it gives the following error root (hd1,0) Filesystem type unknown, partition type 0xee kernel /boot/loader Error 17: cannot mount selected partition

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  • Configure Apache with a htaccess file to strip out unneeded respond-headers.

    - by Koning Baard XIV
    For ultimate speed, I want my Apache server strip unneeded headers from the response. Currently, the headers looks like this (excluding the status header): Connection:Keep-Alive Content-Length:200 Content-Type:text/html Date:Sat, 15 May 2010 16:28:37 GMT Keep-Alive:timeout=5, max=100 Server:Apache/2.2.14 (Unix) mod_ssl/2.2.14 OpenSSL/0.9.8l DAV/2 PHP/5.3.1 Phusion_Passenger/2.2.7 X-Powered-By:PHP/5.3.1 Which I want to be like: Connection:Keep-Alive Content-Type:text/html Keep-Alive:timeout=5, max=100 How can I configure this in a .htaccess file? Thanks

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  • How can I store all the properties of a class in an array of objects?

    - by Richard77
    Hello, Let's say I've a class myClass which has few properties, such as property1, property2, perperty3, etc. Now, I'd like to populate an array with each of those properties so that, I can access each of them through its index. Is there an automatic way of doing so? Here's an example from SportsStore (Pro ASPN.NET MVC/Steve Sanderson/Apress) on how to gather all the active controllers in the the 'Assembly'. var controllerTypes = from t in Assembly.GetExecutingAssembly().GetTypes() where typeof(IController).IsAssignableFrom(t) select t; foreach(Type t in controllerTypes) //Do something I wonder if there is some thing like the one above I can use to collect (only) properties of a class and store them in a array, no matter each one's type value (int, string, or custom type) I hope I was able to express myself clearly. Otherwise I can amend the text. Thanks for helping.

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  • polymorphic hql

    - by Berryl
    I have a base type where "business id" must be unique for a given subclass, but it is possible for there to be different subclasses with the same business id. If there is a base type with a requested id but of the wrong subclass I want to return null, using a named query. The code below does this, but I am wondering if I can avoid the try/catch with a better HQL. Can I? Cheers, Berryl current hql <query name="FindActivitySubjectByBusinessId"> <![CDATA[ from ActivitySubject act where act.BusinessId = :businessId ]]> </query> current fetch code public ActivitySubject FindByBusinessId<T>(string businessId) where T : ActivitySubject { Check.RequireStringValue(businessId, "businessId"); try { return _session.GetNamedQuery("FindActivitySubjectByBusinessId") .SetString("businessId", businessId) .UniqueResult<T>(); } catch (InvalidCastException e) { // an Activity Subject was found with the requested id but the wrong type return null; } }

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  • Spring.net - how to choose implementation of interface in runtime ?

    - by rouen
    Hi, in all examples of spring.net IoC i can see something like this: interface IClass; class ClassA : IClass; class ClassB : IClass, and then in config.xml file something like [object id="IClass" type="ClassB, Spring.Net.Test" /] but, i really need to do something like this: in config file there will be more implementations if interface: [object id="IClass" type="ClassA, Blah" /] [object id="IClass" type="ClassB, Blah" /] and then, in runtime i choose from them, something like this: IClass c = [get me all implementations of IClass, and choose the one with GetType().FullName == myVariableContainingFullTypeNameOfObjectIWant] how can i do something like this please, i cant google anything for hours.... many thanks !

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  • WCF Runtime Error while using Constructor

    - by Pranesh Nair
    Hi all, I am new to WCF i am using constructor in my WCF service.svc.cs file....It throws this error when i use the constructor The service type provided could not be loaded as a service because it does not have a default (parameter-less) constructor. To fix the problem, add a default constructor to the type, or pass an instance of the type to the host. When i remove the constructor its working fine....But its compulsory that i have to use constructor... This is my code namespace UserAuthentication { [ServiceBehavior(InstanceContextMode=System.ServiceModel.InstanceContextMode.Single)] public class UserAuthentication : UserRepository,IUserAuthentication { private ISqlMapper _mapper; private IRoleRepository _roleRepository; public UserAuthentication(ISqlMapper mapper): base(mapper) { _mapper = mapper; _roleRepository = new RoleRepository(_mapper); } public string EduvisionLogin(EduvisionUser aUser, int SchoolID) { UserRepository sampleCode= new UserRepository(_mapper); sampleCode.Login(aUser); return "Login Success"; } } } can anyone provide ideas or suggestions or sample code hw to resolve this issue...

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  • Why won't IsChecked change on this toggle button?

    - by cjroebuck
    I have the following xaml for a toggle button: <ToggleButton Margin="0,3" Grid.Row="3" Grid.ColumnSpan="2" Command="{Binding DataContext.SelectAllCommand, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}}"> <ToggleButton.Style> <Style TargetType="{x:Type ToggleButton}"> <Setter Property="Content" Value="Select All"/> <Style.Triggers> <Trigger Property="IsChecked" Value="True"> <Setter Property="Content" Value="Select None"/> <Setter Property="Command" Value="{Binding DataContext.SelectNoneCommand, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type UserControl}}}"/> </Trigger> </Style.Triggers> </Style> </ToggleButton.Style> </ToggleButton> But the IsChecked property never gets updated when clicking the button. If I use snoop and force the IsChecked to True then the trigger kicks in.

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  • Change values in first key from 0 to count(array) - 1

    - by sologhost
    Ok, I have an array like so: $myArray[32]['value'] = 'value1'; $myArray[32]['type'] = 'type1'; $myArray[33]['value'] = 'value2'; $myArray[33]['type'] = 'type2'; $myArray[35]['value'] = 'value3'; $myArray[42]['value'] = 'value4'; $myArray[42]['type'] = 'type4'; Ok, looking for a quick way to change all numbers in the first key 32, 33, 35, and 42 into 0, 1, 2, and 3 instead. But I need to preserve the 2nd key and all of the values. The array is already ordered correctly, since I ordered it using a ksort, but now I need to reset the array from 0 - count($myArray) - 1 and keep the 2nd key intact and its value as well. Can someone please help me?

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  • .ogg video not playing in firefox

    - by Joseph Silvashy
    We're just getting started with html5 video, and cannot seem to get .ogg files to play in Firefox, any tips? Here is the source we are using: <video width="640" height="360" poster="http://video.thewebreel.com/episode_001/episode_001.jpg" controls autoplay autobuffer> <source src="http://video.thewebreel.com/episode_001/episode_001.ogg" type="video/ogg" type='video/ogg; codecs="theora, vorbis"'/> <source src="http://video.thewebreel.com/episode_001/episode_001.mp4" type="video/mp4" /> </video> The live example can be seen here: http://thewebreel.com/2010/05/02/episode-1.html However we are totally baffled, everything seems exactly right.

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  • Including inline javascript using content_for in rails

    - by TenJack
    I am using content_for and yeild to inject javascript files into the bottom of my layout but am wondering what the best practice is for including inline javascript. Specifically I'm wondering where the put the script type declaration: <% content_for :javascript do %> <script type="text/javascript"> ... </script> <% end %> or <% content_for :javascript do %> ... <% end %> <script type="text/javascript"> <%= yield :javascript %> </script> <% end %> I am using the first option now and wondering if it is bad to include multiple ... declarations within one view. Sometimes I have partials that lead to this.

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  • Perl program doesn't get displayed in browser (windows)

    - by Dextar
    system info: i have installed XAMPP on my machine having Window XP OS . also installed Apache2.2, now, i have created two folders in C:\xampp\htdocs they are php and perl . these folder contains programs in their respective languages (ie index.php and index.pl respectively) when i type in browser : http: //localhost:88/php/ the program in index.php gets executed and o/p is displayed in browser but , when i type: http://localhost:88/perl/ browser displays a blank page PROBLEM : how to run .pl file in above scenario ?

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  • Identifying an empty text node with jQuery + Javascript

    - by b. e. hollenbeck
    You'd think this was easy - but I'm having the hardest time with it. Here's what I'm trying to identify: <span class="cw-value-one"></span> Here's what I'm using so far: $('span.cw-value-one').each(function(){ var textNode = $(this).text(); var type = typeof textNode; var len = textNode.length; if($(this).is(':empty')){ $(this).siblings('span.cw-value-two').css({"position": "relative", "left": "1em"}); } }); Ok, so textNode = "", type = string and len = 1 - none of which is helpful in identifying an empty text node, since a has a type of string and length of 1. The jQuery .is(':empty') is not working either. So whow do you identify an empty text node in JQuery or plain ol' Javascript?

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  • WSS 3.0 navigation structure

    - by Dante
    Hi all, I'm a beginner in WSS 3.0 and I'm having some problems with the navigation setup. I can't find any documentation that clearly recommends best practices in this area. I'm trying to create an intranet, custom look and feel, that should have a structure similar to: Company - News - News type 1 - News type 2 - Organogram - ... Employees - Employees 1 - Employees 2 - Employees 2_1 - ... How to properly set this up? Company, News, are sites/subsites? And News type 1 and 2 are pages within a site? I created as described above and in the master page of the main site I added some scripts that will be used by web parts, like jquery. The subsites will have their own master page and will not recognize the scripts, I need to add them there which is annoying. Any recommendations? Or some resource that provides best practices setting up these structures? Thx in advance

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  • JSF RuntimeException: Cannot find FacesContext

    - by Sunny Mate
    When i write <h:outputText value="Login Name"/> tag in my jsp i am getting "Cannot find FacesContext" error , with out that tag my jsp working fine here is my JSP <%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <%@ taglib uri="http://java.sun.com/jsf/html" prefix="h" %> <%@ taglib uri="http://java.sun.com/jsf/core" prefix="f" %> <body> Login Name <input type="text" value=""/><br> **<h:outputText value="Login Name"/>** Password<input type="password" value=""/><br> <input type="submit" value="Login"> </body> </html>

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  • Piping to findstr's input, dos prompt

    - by Gauthier
    I have a text file with a list of macro names (one per line). My final goal is to get a print of how many times the macro's name appears in the files of the current directory. The macro's names are in C:\temp\macros.txt. type C:\temp\macros.txt in the dos prompt prints the list alright. Now I want to pipe that output to the standard input of findstr. type C:\temp\macros.txt | findstr *.ss (ss is the file type where I am looking for the macro names). This does not seem to work, I get no result (very fast, it does not seem to try at all). findstr <the first row of the macro list> *.ss does work. I also tried findstr *.ss < c:\temp\macros.txt with no success.

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  • How to move an element in a sorted list and keep the CouchDb write "atomic"

    - by karlthorwald
    I have elements of a list in couchdb documents. Let's say these are 3 elements in 3 documents: { "id" : "783587346", "type" : "aList", "content" : "joey", "sort" : 100.0 } { "id" : "358734ff6", "type" : "aList", "content" : "jill", "sort" : 110.0 } { "id" : "abf587346", "type" : "aList", "content" : "jack", "sort" : 120.0 } A view retrieves all "aList" documents and displays them sorted by "sort". Now I want to move the elements, when I want to move "jack" to the middle, I could do this atomic in one write and change it's sort key to 105.0. The view now returns the documents in the new sort order. After a lot of sorting I could end up with sort keys like 50.99999 and 50.99998 after some years and in extreme situations run out of digits? What can you recommend, is there a better way to do this? I'd rather keep the elements in seperate documents. Different users might edit different elements in parallel (which also can get tricky). Maybe there is a much better way?

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  • HTML5 video problem

    - by mathiregister
    hey guys, i wonder what i'm doing wrong? <video id="movie" width="320" height="240" preload controls> <source src="pr6.mp4" type='video/mp4; codecs="avc1.42E01E, mp4a.40.2"' /> <source src="pr6.webm" type='video/webm; codecs="vp8, vorbis"' /> <source src="pr6.ogv" type='video/ogg; codecs="theora, vorbis"' /> </video> this peace of code lies in my index.html. in the same directory i got all 3 videofiles (mp4, webm, ogv) Somehow the video component shows up, however no video gets played. A big X shows up inside of the video component.

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  • ASP.NET MVC based CMS - dynamic generation of form helpers

    - by user252160
    I am working on an ASP.NET MVC based CMS that presents a rather extreme case. The system must allow the user to add custom content types based on different fields, and for every field, one can add options and validations. The thing is that everything is stored in a complex DB and extracted at runtime using LINQ. I am pretty fresh with ASPNET MVC so the following dilemma came to mind How should I make the content creation view so that form helpers are not predefined int he view code but are loaded based on the type of the field ? Do I have to create a factory class that checks the value of the type property of the field, and then returns a helper based on that or there's a better way to do it. This one seems pretty rigid to me , because anytime I make a change in the Fieldtypes table, I will have to make sure to create a check for that new type too.

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  • Put text input inside label for radio button?

    - by Martijn
    I'm trying to make a radio group specifying a bunch of options, and an extra option "other" with a text input to specify. The code for this particular radio button I'm using is <input type='radio' name='RadioInput' value='Other' id='RadioInput_Other' /> <label for='RadioInput_Other'>Ohter: <input type='text' name='RadioInput_Other_Value' id='RadioInput_Other_Value' value='' /> </label> The idea is that if you give focus to the text input, the radio button corresponding to it is selected. The code above almost does this (since the text input is inside the label). However, it also shifts focus to the radio button (which is annoying, since whatever you type next is lost). Is there any way to prevent this using XHTML1.0 / CSS2? Preferably without using javascript.

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  • autologin on webpage?

    - by blackjack
    hi i need to type in my username and pass to connect to internet through a captive portal provided by my isp is there a automatic way(any software/script) to type in info(in username and pass fields) and login without me typing and pressing that %$^& login button every time on my browser(chrome)?

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  • PostgreSQL - best way to return an array of key-value pairs

    - by Matt W
    I'm trying to select a number of fields, one of which needs to be an array with each element of the array containing two values. Each array item needs to contain a name (character varying) and an ID (numeric). I know how to return an array of single values (using the ARRAY keyword) but I'm unsure of how to return an array of an object which in itself contains two values. The query is something like SELECT t.field1, t.field2, ARRAY(--with each element containing two values i.e. {'TheName', 1 }) FROM MyTable t I read that one way to do this is by selecting the values into a type and then creating an array of that type. Problem is, the rest of the function is already returning a type (which means I would then have nested types - is that OK? If so, how would you read this data back in application code - i.e. with a .Net data provider like NPGSQL?) Any help is much appreciated.

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  • Windows Server 2003 W3SVC Failing, Brute Force attack possibly the cause

    - by Roaders
    This week my website has disappeared twice for no apparent reason. I logged onto my server (Windows Server 2003 Service Pack 2) and restarted the World Web Publishing service, website still down. I tried restarting a few other services like DNS and Cold Fusion and the website was still down. In the end I restarted the server and the website reappeared. Last night the website went down again. This time I logged on and looked at the event log. SCARY STUFF! There were hundreds of these: Event Type: Information Event Source: TermService Event Category: None Event ID: 1012 Date: 30/01/2012 Time: 15:25:12 User: N/A Computer: SERVER51338 Description: Remote session from client name a exceeded the maximum allowed failed logon attempts. The session was forcibly terminated. At a frequency of around 3 -5 a minute. At about the time my website died there was one of these: Event Type: Information Event Source: W3SVC Event Category: None Event ID: 1074 Date: 30/01/2012 Time: 19:36:14 User: N/A Computer: SERVER51338 Description: A worker process with process id of '6308' serving application pool 'DefaultAppPool' has requested a recycle because the worker process reached its allowed processing time limit. Which is obviously what killed the web service. There were then a few of these: Event Type: Error Event Source: TermDD Event Category: None Event ID: 50 Date: 30/01/2012 Time: 20:32:51 User: N/A Computer: SERVER51338 Description: The RDP protocol component "DATA ENCRYPTION" detected an error in the protocol stream and has disconnected the client. Data: 0000: 00 00 04 00 02 00 52 00 ......R. 0008: 00 00 00 00 32 00 0a c0 ....2..À 0010: 00 00 00 00 32 00 0a c0 ....2..À 0018: 00 00 00 00 00 00 00 00 ........ 0020: 00 00 00 00 00 00 00 00 ........ 0028: 92 01 00 00 ... With no more of the first error type. I am concerned that someone is trying to brute force their way into my server. I have disabled all the accounts apart from the IIS ones and Administrator (which I have renamed). I have also changed the password to an even more secure one. I don't know why this brute force attack caused the webservice to stop and I don't know why restarting the service didn't fix the problem. What should I do to make sure my server is secure and what should I do to make sure the webserver doesn't go down any more? Thanks.

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  • HTTP Data chunks over multiple packets?

    - by myforwik
    What is the correct way for a HTTP server to send data over multiple packets? For example I want to transfer a file, the first packet I send is: HTTP/1.1 200 OK Content-type: application/force-download Content-Type: application/download Content-Type: application/octet-stream Content-Description: File Transfer Content-disposition: attachment; filename=test.dat Content-Transfer-Encoding: chunked 400 <first 1024 bytes here> 400 <next 1024 bytes here> 400 <next 1024 bytes here> Now I need to make a new packet, if I just send: 400 <next 1024 bytes here> All the clients close there connections on me and the files are cut short. What headers do I put in a second packet to continue on with the data stream?

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