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  • installing a ruby gem with a native extension

    - by ajstack
    I want to install a ruby gem which tries to build a native extension. The gem in this case is nokogiri. If I do gem install nokogiri, the native extension dynamically links against libxml, libxslt libs. I want to statically link against those libs. How should I go about this?

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  • How can I call a GWT RPC method on a server from a non GWT (but Java) gapplication?

    - by hansi
    I have a regular Java application and want to access an GWT RPC endpoint. Any idea how to make this happen? My GWT application is on a GAE/J and I could use REST for example but I already have the GWT RPC endpoints and don't want to build another façade. Yes, I have seen http://stackoverflow.com/questions/1330318/invoke-a-gwt-rpc-service-from-java-directly, but this discussion goes into a different direction.

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  • The internal implementation of R's dataset

    - by Yin Zhu
    I am trying to build a data processing program. Currently I use a double matrix to represent the data table, each row is an instance, each column represents a feature. I also have an extra vector as the target value for each instance, it is of double type for regression, it is of integer for classification. I want to make it more general. I am wondering how what kind of structure R uses to store a dataset, i.e. the internal implementation in R.

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  • rails db:seed no method error

    - by louddwarf
    when I try and run the "rake db:seed" command the rails console outputs "NoMethodError: undefined method `db' for #" not quite sure what going on. I'm using netbeans to build my rails project which is using the built-in JRuby 1.2 would that have anything to do with it?

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  • Is it possible to use distcc in osx for openbsd box?

    - by holms
    I found the only one simillar question but that's for linux and xcode only... http://stackoverflow.com/questions/854675/is-it-possible-to-set-up-a-linux-box-with-distcc-to-build-my-xcode-projects im really interested to use OSX GCC for OPENBSD BOX. because my server is really slow, and all I need is file sharing and printing at home. I like to use ports very much, especially rebuilding all packages for slow cpu, it's really noticable difference, anyway, IMHO, is it possible?

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  • PHP Eclipse - importing existing CakePHP projects

    - by MOFlint
    I'm trying to import existing Cake 1.2 projects into PHP Eclipse (latest all-in-one download on Galileo build) - I don't think I understand Eclipse properly: 1) I have created Workspace on my web root C:\Program Files\xampp\htdocs 2) I have created new Project C:\Program Files\xampp\htdocs\EclipseCake ... how do I import my existing cake project into my new project (EclipseCake) ? I tried Configure Include Path - Project - Add ... but no file browser appears. I'm obviously misunderstanding this.

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  • Copying Android source code directory from one computer to an other one

    - by Walidix
    I have downloaded the Android source code on my computer using the repo sync command. Since I have no experience with git and repo , I would like to know if it is possible to copy the mydroid directory (which contains Android source code) to an other computer by just burning it on a DVD and then processing the build without problems. Thanks in advance and sorry if my question is stupid

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  • Why JEE is widely used in complicated projects?

    - by cane
    Hi. Yesterday me and my friend we've had nice conversation about IT and he asked me WHY JEE is so widely used when it comes to build complicated IT systems? From my point of view advantages are easily visible, but he is IT manager with a lot of Micro$oft experience (and little Java exp.), so I would like to hear your voice. And I'll give him a link of course. I don't want new .NET - JAVA war - just - why JEE :) Thanks, orsonek

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  • Building drag and drop interface on iphone

    - by John Stewart
    I am trying to build an app which will have a bunch of cards that the user needs to drag and drop them onto specific drop zones. How would one go about detecting this and if the card is not on the drop zone then it should slide back. Any suggestions on how to structure this app?

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  • Alternative C++ Compilers?

    - by Dr Hydralisk
    I want to start learning C++, so I downloaded Microsoft Visual Studio 2010 Express, and the entire application freezes and crashes every time I try to compile (debug and release build) something (I have tried running it in Admin Mode). Is there a good alternative compiler that I could still use VS 2010 as the IDE?

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  • Deploying symfony without shell access

    - by lacqui
    Good day, I have an application written using the Symfony framework. The application works on my development server, where I have shell access. However, I am unable to load my application on my host, as I need to run symfony doctrine::build on the command line on the host. Is there another way to load the database after or during symfony project:deploy?

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  • Detect use of older Java libraries

    - by Tony Morris
    Is there a third party library to detect the use of a Java 1.5 library when compiling with a 1.5 compiler with -source 1.4 and -target 1.4? I could use a 1.4 rt.jar in the bootclasspath however I hope there is a better way. To be used, for example, to fail the compile/build if a newer library is used.

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  • Passing ViewModel for backbone.js from MVC3 Server-Side

    - by Roman
    In ASP.NET MVC there is Model, View and Controller. MODEL represents entities which are stored in database and essentially is all the data used in a application (for example, generated by EntityFramework, "DB First" approach). Not all data from model you want to show in the view (for example, hashs of passwords). So you create VIEW MODEL, each for every strongly-typed-razor-view you have in application. Like this: using System; using System.Collections.Generic; using System.Linq; using System.Web; namespace MyProject.ViewModels.SomeController.SomeAction { public class ViewModel { public ViewModel() { Entities1 = new List<ViewEntity1>(); Entities2 = new List<ViewEntity2>(); } public List<ViewEntity1> Entities1 { get; set; } public List<ViewEntity2> Entities2 { get; set; } } public class ViewEntity1 { //some properties from original DB-entity you want to show } public class ViewEntity2 { } } When you create complex client-side interfaces (I do), you use some pattern for javascript on client, MVC or MVVM (I know only these). So, with MVC on client you have another model (Backbone.Model for example), which is third model in application. It is a bit much. Why don`t we use the same ViewModel model on a client (in backbone.js or another framework)? Is there a way to transfer CS-coded model to JS-coded? Like in MVVM pattern, with knockout.js, when you can do like this: in SomeAction.cshtml: <div style="display: none;" id="view_model">@Json.Encode(Model)</div> after that in Javascript-code var ViewModel = ko.mapping.fromJSON($("#view_model").get(0).innerHTML); now you can extend your ViewModel with some actions, event handlers, etc: ko.utils.extend(ViewModel, { some_function: function () { //some code } }); So, we are not building the same view model on the client again, we are transferring existing view model from server. At least, data. But knockout.js is not suitable for me, you can`t build complex UI with it, it is just data-binding. I need something more structural, like backbone.js. The only way to build ViewModel for backbone.js I can see now is re-writing same ViewModel in JS from server with hands. Is there any ways to transfer it from server? To reuse the same viewmodel on server view and client view?

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  • Multiple child in virtuemart

    - by handoyo
    Hi all,i want to ask. I'm intending to make custom build computer page with virtuemart. As example,customer can choose the processor,mainboard,optical drive,etc then sum the prices and display it.Is it possible to do it? How to do it? Thanks..

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  • ASP.NET Dashboard / Widgets

    - by davemackey
    I'd like to build a dashboard interface for an application I am working on. I want users to logon and get a birds eye view of the status of applications, outstanding issues, etc. I'm wondering if there are some good, pre-made controls rather than writing these from the ground up?

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  • commons-logging-1.1.jar; cannot read zip file entry

    - by user1226162
    I have imported a GWT project from GIT , but when i run maven Install it says .m2\repository\commons-logging\commons-logging\1.1\commons-logging-1.1.jar; cannot read zip file entry and if i simply run my application , i get this \git\my-Search-Engine\qsse\war}: java.lang.NoClassDefFoundError: com/google/inject/servlet/GuiceServletContextListener I tried to find out the way , one solution i found was to move the guice-servlet-3.0 from build path to \qsse\war\webinf\lib but if i do that i start gettin the exception ava.lang.NoClassDefFoundError: com/google/inject/Injector any idea how can i resolve this

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  • .NET Free memory usage (how to prevent overallocation / release memory to the OS)

    - by Ronan Thibaudau
    I'm currently working on a website that makes large use of cached data to avoid roundtrips. At startup we get a "large" graph (hundreds of thouthands of different kinds of objects). Those objects are retrieved over WCF and deserialized (we use protocol buffers for serialization) I'm using redgate's memory profiler to debug memory issues (the memory didn't seem to fit with how much memory we should need "after" we're done initializing and end up with this report Now what we can gather from this report is that: 1) Most of the memory .NET allocated is free (it may have been rightfully allocated during deserialisation, but now that it's free, i'd like for it to return to the OS) 2) Memory is fragmented (which is bad, as everytime i refresh the cash i need to redo the memory hungry deserialisation process and this, in turn creates large object that may throw an OutOfMemoryException due to fragmentation) 3) I have no clue why the space is fragmented, because when i look at the large object heap, there are only 30 instances, 15 object[] are directly attached to the GC and totally unrelated to me, 1 is a char array also attached directly to the GC Heap, the remaining 15 are mine but are not the cause of this as i get the same report if i comment them out in code. So my question is, what can i do to go further with this? I'm not really sure what to look for in debugging / tools as it seems my memory is fragmented, but not by me, and huge amounts of free spaces are allocated by .net , which i can't release. Also please make sure you understand the question well before answering, i'm not looking for a way to free memory within .net (GC.Collect), but to free memory that is already free in .net , to the system as well as to defragment said memory. Note that a slow solution is fine, if it's possible to manually defragment the large heap i'd be all for it as i can call it at the end of RefreshCache and it's ok if it takes 1 or 2 second to run. Thanks for your help! A few notes i forgot: 1) The project is a .net 2.0 website, i get the same results running it in a .net 4 pool, idem if i run it in a .net 4 pool and convert it to .net 4 and recompile. 2) These are results of a release build, so debug build can not be the issue. 3) And this is probably quite important, i do not get these issues at all in the webdev server, only in IIS, in the webdev i get memory consumption rather close to my actual consumption (well more, but not 5-10X more!)

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  • Facebook-like invitation page for my categorization service

    - by ming yeow
    Hi folks, i am working on a categorization service. I want the experience to behave similarly to Facebook's invite/tagging function Does anyone have any experience implementing this? This includes: autocompleting based on list below if auto-complete does not turn up anything, give chance to do something else with that data Would be super happy to hear any experiences, plugins that might be useful in helping me build this out

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  • Countdown timer using jquery or google app engine ?

    - by john
    hi everybody, I need to do a countdown clock, that counts down the days, hours, minutes and seconds that are left to a date of my choice,Using jquery or google app engine(Python). I created a timer using Javascript,But in that i used system time. I need to use server time.Can any body give me ideas to build up a count down Timer using server UTC time.

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  • using jquery into an ajax nested html file

    - by TrustWeb
    Hello, i am trying to solve this problem: i have a tab interface build with jquery.tools, more exactly i used the ajax tab to load external html files into div. you can see the example here: http://flowplayer.org/tools/demos/tabs/ajax.html i am trying to use jquery to animated the elements loaded by ajax, do you know if and how is it possible? i am trying both loading scripts outside, in the main page, or in the loaded page. thanks a lot

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  • How can I create a Zerofilled value using JavaScript?

    - by Wilco
    What is the recommended way to zerofill a value in JavaScript? I imagine I could build a custom function to pad zeros on to a typecasted value, but I'm wondering if there is a more direct way to do this? Note: By "zerofilled" I mean it in the database sense of the word (where a 6-digit zerofilled representation of the number 5 would be "000005").

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