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  • scaffold does not update view

    - by doemsche
    Hi there I have a question to the following procedure: script/generate scaffold product title:string description:text db:migrate #then I generate a migration which adds a column description to the table products and migrate the db again. My question is: why is the field description not added to the project-views? Is that normal rails scaffold behaviour? I think I saw in a video tutorial that the scaffold updates as well the views, which would be very convenient. Thanks in advance for any help!

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  • Concurrent processes do not utilize all available CPU

    - by metdos
    I run some processes on an EC2 cc2.8xlarge instance which has 32 virtual processors. For some type of processes, when I run 16 processes on parallel, all of them use 100% of CPU cycles. But for other type of processes, they are not using 100% CPU and they finish considerably slower than a single thread. There is no time spend on IO and all data is served from memory. Do you have any idea about the reason of this problem?

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  • Do not filter outlinks in Nutch?

    - by sigpwned
    I'm currently trying to perform a deep crawl within a small list of sites. To accomplish this, I updated conf/domain-urlfilter.txt with the domains of the sites I wish to scrape, which worked nicely. However, I found that not only were the links crawled at every step filtered, but the outlinks captured from each page crawled were filtered as well. Is there a way to avoid filtering captured outlinks while still filtering crawled URLs?

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  • Rails - how to serialize a tree not in a form

    - by tiny_clanger
    I started with the standard scriptaculous drag and drop tree, and that all works fine. Then started implementing this: http://www.artweb-design.de/2008/5/30/scriptaculous-sortabletree which gives a good drag and drop tree Where I am stuck is how to get serialize the tree (unordered list)? It's not in a form, and I can't find a way to serialize it to move onto setting up the AJAX update.

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  • How can make a variable (not class member) "read only" in C#

    - by devfreak
    Hi, I'm new to the C# world and I can't find a method to declare read only variable in C# (something like declaring "const" variable in c++). Is there one? I'll give you an example: ... int f() { return x; } // x is not const member ... void g() { int readOnlyVar = f(); // is there a method to declare readOnlyVar as read only or const // Some code in which I want to restrict access to readOnlyVar to read only }

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  • didFinishLaunchingWithOptions not called

    - by user1256477
    I'm having trouble enabling push notifications. with this code I try to enable the notification: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [[UIApplication sharedApplication] registerForRemoteNotificationTypes:(UIRemoteNotificationType)(UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound | UIRemoteNotificationTypeAlert)]; return YES; } It doesnt work, so I added a breakpoint in the line [[UIApplication sharedApplication] registerForRemoteNotificationTypes:(UIRemoteNotificationType)(UIRemoteNotificationTypeBadge | UIRemoteNotificationTypeSound | UIRemoteNotificationTypeAlert)]; But it seems this part of the code is never execute. why is this not working?

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  • error in c, but not in c++

    - by eswar
    const int t=5; char buf[t+5]; When I compile this gives error in C but not in C++!! Can anybody please explain me the reason? Note: I know the const defaults to internal linkage in 'C++', where as in 'C' it defaults to external linkage. Does it has any relation to the above case??

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  • folder deleting not working

    - by user1150440
    If System.IO.Directory.Exists(HttpContext.Current.Server.MapPath(Server.MapPath("images/TravelogueGallery/" & getMaxID()))) Then System.IO.Directory.Delete(HttpContext.Current.Server.MapPath("images/TravelogueGallery/" & getMaxID()), True) End If I am using the above code snippet to delete a directory but i get this error "'G:\Projects\Latest\LTCIndia 05-04-12 1415\images\TravelogueGallery\19' is not a valid virtual path. " Whats wrong with the code?

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  • Why is my view not resizing after rotating?

    - by E-Madd
    I'm only supporting the portrait orientation, but both the right-side-up and upside-down versions. Why do my subviews not resize appropriately? There's a status bar sized black space at the top of the view. If I change tabs and come back, it's corrected.

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  • 'umfpack.h' not found, but it's in /opt/local/include/

    - by user2924321
    I'm trying to compile a program called hiQlab on OSX 10.8 g++ -g -O2 -I`echo /Users/.../Documents/hiQlab/hiqlab-2006-07-20/tools/`/lua/include -I`echo /Users/.../Documents/hiQlab/hiqlab-2006-07-20/tools/`/tolua++/include -c cscmatrix.cc cscmatrix.cc:13:12: fatal error: 'umfpack.h' file not found #include "umfpack.h" but I just installed SuiteSparse through macports which includes umfpack and umfpack.h is in fact present in default directory /opt/local/include/ do I need to add the path or something? Thanks!

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  • background worker window controls not rendered

    - by senthil
    Is there any way to load window inside the background worker thread without using showdialog()? the background worker only terminate only after getting some input from the window. Here the issue is window shown but the button and other controls are not rendered even we don't have control over any of the window.

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  • mysql not in my PATH for some reason

    - by Dr.Dredel
    I've installed mysql on several macs and on one of them mysql is not in the path. If I export it it shows up in the path correctly, but upon reboot, disappears. What should I do to get the machine to keep it in the path and what are the machines that DO have it in their path doing differently? Any thoughts appreciated.

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  • getJSON callback not firing

    - by Marty Trenouth
    I'm making the call using the following script which is called on click of an anchor tag function GetToken(videoId) { debugger; var json = $.getJSON("/Vod/RequestAccessToken/"+videoId, function(result){ alert("token recieved: " + result.token); }); } In the server application I recieve the call so I know it is a valid URL, but the callback is not being invoked. If i set though the jquery code (f11/f10) the callback is called??!!!?

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  • How to check whether an object has a specific method or not

    - by Ghommey
    Hey, I want to use a method of an object. Like $myObject->helloWorld(). However there are a couple of methods so I loop through an array of method names and call the method like this: my $methodName ="helloWorld"; $myObject->$methodNames; This works quite nice but some objects don't have all methods. How can I tell whether $myObject has a method called helloWorld or not?

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  • Back button in ajax update panel not working

    - by Domnic
    Im using updatepanel in my screen.. i have 2 pages when i click submit button in page1 then it ill be redirect to page2 ....in page2 i have one back button..i wrote click event onclick="history.go(-1)" when i click back it just redirect to page 1 but records already showned in page1 not displayed .how can i sove this problem? cai i use any scriptmanager?

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