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  • Expose jar resources over web

    - by Heavy Bytes
    I have a web-service (with Spring-WS). I have a jar with several schemas (schema1.xsd, schema2.xsd and schema3.xsd) which I include in my web service. Is there a way to expose the schemas from the jar through a servlet somehow in my web-service wep app? My Spring MessageDispatcherServlet is mapped to /ws/ I would like my schemas to be exposed to /schemas/schema1.xsd /schemas/schema2.xsd and so on. I have an idea how to do it with a servlet, but it's too verbose and there has to be a nicer way. The way I am thinking is have a servlet filter and everything that hits /schemas/ check if it is in my list of allowed resources and display it. This has to be a server agnostic solution. (For instance http://tuckey.org/urlrewrite/ will not work). Thanks.

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  • Many tables for many users?

    - by Seagull
    I am new to web programming, so excuse the ignorance... ;-) I have a web application that in many ways can be considered to be a multi-tenant environment. By this I mean that each user of the application gets their own 'custom' environment, with absolutely no interaction between those users. So far I have built the web application as a 'single user' environment. In other words, I haven't actually done anything to support multi-users, but only worked on the functionality I want from the app. Here is my problem... What's the best way to build a multi-user environment: All users point to the same 'core' backend. In other words, I build the logic to separate users via appropriate SQL queries (eg. select * from table where user='123' and attribute='456'). Each user points to a unique tablespace, which is built separately as they join the system. In this case I would simply generate ALL the relevant SQL tables per user, with some sort of suffix for the user. (eg. now a query would look like 'select * from table_ where attribute ='456'). In short, it's a difference between "select * from table where USER=" and "select * from table_USER".

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  • Google App Engine - The most awaited feature

    - by systempuntoout
    This list is taken from the official Google App Engine roadmap: SSL for third-party domains Background servers capable of running for longer than 30s Ability to reserve instances to reduce application loading overhead Ability to select different availability vs. latency options for Datastore Support for mapping operations across datasets Datastore dump and restore facility Raise request/response size limits for some APIs Improved monitoring and alerting of application serving Support for Browser Push (Comet) communication Built-in support for OAuth & OpenID What is your most awaited feature and why?

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  • What is the best 3-D technology for the "Online Room Planner" site?

    - by Omega
    The main user-case is: Create the 2D floor plan See the 3D view of the room in colors and in dynamic lighting (switching on and off the lamps) Select the furniture from the large library of predefined samples. Change the color and texture of the furniture samples. Create the photos of the 3D room view from different points. Also user can move and turn the camera in the room and discover the view.

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  • Questions about HTML5 audio

    - by Nimbuz
    <audio src="http://upload.wikimedia.org/wikipedia/commons/8/82/Riddle_song.ogg"></audio> <ul id="lyrics"> <li>line 1</li> <li>line 2</li> <li>line 3</li> <li>and so on...</li> </ul><!-- end #lyrics --> So I want to: Highlight (change color or background) of the line that is being played. Save current time to a cookie and resume on next visit. I'm not sure if either of these are possible in HTML5, but even in Flash or other technology, I'd like to know if and how it is possible. I understand #2 is asking too much, but #1 is really important. So almost similar to this: http://randallagordon.com/jaraoke/ but all the lines are visible, just the current line is highlighted. Many thanks for your help.

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  • What are the typical reasons Javascript developed on IE fails on Firefox?

    - by lwburk
    Inspired by this post it occurs to me that I often suffer from the opposite problem. That is, I've got code in a legacy application designed only for Internet Explorer and I need to get it to work in Firefox. For example, I recently worked on an app that made heavy use of manually simulating click events, like this: select.options[0].click(); ...which completely broke the application in Firefox. But you wouldn't find that information in the answers to the other question, because that's not something you'd ever even attempt if your app first targeted Firefox. What other things should a developer updating a legacy IE-only application look for when migrating to modern browsers?

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  • is depth buffers mandatory

    - by numerical25
    I am just trying to better understand the directX pipeline. Just curious if depth buffers are mandatory in order to get things work. Or is it just a buffer you need if you want objects to appear behind one another.

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  • What technologies to use for a particle system with enormous calculation demand?

    - by Amir Rezaei
    I have a particle system with X particles. Each particle tests for collision with other particles. This gives X*X = X^2 collision tests per frame. For 60f/s, this corresponds to 60*X^2 collision detection per second. What is the best technological approach for these intensive calculations? Should I use F#, C, C++ or C#, or something else? The following are constraints The code is written in C# with the latest XNA Multi-threaded may be considered No special algorithm that tests the collision with the nearest neighbors or that reduces the problem The last constraint may be strange, so let me explain. Regardless constraint 3, given a problem with enormous computational requirement what would be the best approach to solve the problem. An algorithm reduces the problem; still the same algorithm may behave different depending on technology. Consider pros and cons of CLR vs native C.

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  • Database web app

    - by Watergaite
    How would i go about creating an application for my web page that can extract data from my database (i currently get the data in a CSV file). id also like the user to be able to filter the data by certain parameters. can u help

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  • Jquery Dropdown queue problem

    - by Sarfraz
    Hello, I have created a drop down with JQuery that can be seen here by clicking the Preview button on top: http://jsbin.com/ubire3/edit It works fine except for one problem. When i hover over the main hover links (blue ones) quickly eg going horizontally quickly hovering each top menu, the some submenus don't close. How do i make it so that even if i hover fast over them all other submenus are closed? Thanks.

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  • S3 browser upload via POST: unable to handle errors gracefully

    - by samf
    I am writing an app where I want the customer to be able to upload to Amazon S3 straight from the browser. I can make this work just fine. But when errors occur, I want to handle them more gracefully than splattering an XML document on the customer's screen. I have a scheme that I think would work, but it's failing. Here's what I'm trying: Create a form to do the upload, and store the form on S3 itself, in the same domain as the "action" attribute of the form. Redirect the customer to this form. Now their browser is sitting on https://<bucket>.s3.amazonaws.com/something. The page contains a hidden iframe. The form sets its target to the iframe. The load event handler looks at the contents of the iframe, and acts upon it. So, something like this: <iframe id="foo" name="foo" style="display: none" /> <form target="foo" action="https://<bucket>.s3.amazonaws.com/"> <input type="hidden" name="..." value="..." /> <input type="file" name="file" /> </form> with this javascript (using jquery): function handler() { var message = $("#foo").contents().find('message').text(); alert(message); } $("#foo").load(handler); Using firebug, I can see that the iframe contains an XML document, that contains a "message" node. However, the .find('message') always fails to find anything within the XML document. Notice that the action of the form has the same domain, port, and scheme as the document itself. So, I don't think that I should be running afoul of the same-origin policy. Right? But it fails every time. This is using Firefox and Google Chrome browsers. Thanks for any advice!

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  • different for lusses java

    - by Ayrton
    Hi I'm having some difficulties with the following problem: I'm making a little game where you're at a specific spot and each spot has each some possible directions. The available directions are N(ord),E(ast),S,W . I use the function getPosDirections to get the possible directions of that spot. The function returns the directions into an ArrayList e.g. for spot J3: [E,W] Now the game goes like this: 2 dices will be rolled so you get a number between 2 and 12, this number represents the number of steps you can make. What I want is an ArrayList of all the possible routes e.g.: I throw 3 and I'm currently at spot J3: [[E,N,E],[E,N,S],[E,S,E],[E,S,S],[W,N,E],[W,N,S],[W,S,E],[W,S,S]] How would obtain the last mentioned Array(list) Thanks in advance

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  • Ordering .each results in the view...

    - by bgadoci
    I am wondering if it is possible to dictate the order (i.e. :order = 'created_at DESC') within the view. I realize that logic in the view is not ideal but I seem to be having some problems locating where to affect this output. For instance, here is my code: <% @user.questions.each do |question| %> <%= link_to_unless_current h (question.title), question %> Created about <%= time_ago_in_words h(question.created_at) %> ago Updated about <%= time_ago_in_words h(question.updated_at) %> ago <%= link_to 'Edit', edit_question_path(question) %> | <%= link_to 'Destroy', question, :confirm => 'Are you sure?', :method => :delete %> <% end %> In my QuestionsController I have the following index action but it is not affecting the output from the code above. class QuestionsController < ApplicationController def index @questions = Question.all(:order => 'created_at DESC', :limit => 20) respond_to do |format| format.html # index.html.erb format.xml { render :xml => @questions } end end end

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  • JQuery: Read each line of an element

    - by Sarfraz
    Hello, Suppose I have this html markup: <div id="wrapper"> $(function(){ // hide all links except for the first $('ul.child:not(:first)').hide(); $("a.slide:first").css("background-color","#FF9900"); $('ul.parent a.slide').click(function(){ $('ul.parent a.slide').css("background-color","#3399FF"); $('ul.parent a.slide').mouseout(function(){ $(this).css("background-color","#3399FF"); }); $('ul.parent a.slide').mouseover(function(){ $(this).css("background-color","#66CC66"); }); }); }); </div> What is the easiest way to read each line of code present in the div. How do I extract each line of code from that div or loop over each line styling in any way I want. Thanks

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  • Creating own shortcuts: Problem in safari

    - by Thariama
    I have a web application which needs to be called from firefox and safari. Several shortcuts will let the user edit stuff and do other actions. I already implemented my shortcuts and they work great in firefox but not in safari. I can't for example do anything on alt+return - its not getting catched. Is there an easy way to overwrite built-in shortcuts in safari? A way to make alt+return work with safari?

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  • Tool for making quick UI drafts

    - by Moshe
    I'm looking for a tool that can be used for sketching UI (specifically web UI). The sketches/drafts can look as simple as if it was drawn by hand on a whiteboard. Preferably, this tool should be free/open-source and run on Linux as well as on Windows, but this is not a must. Could you recommend?

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  • Overview of mobile browsers and their features?

    - by Janusz
    I'm looking for a comparison of the features of mobile browsers. Most interesting are the default preinstalled browsers. I would love a matrix that shows what device line can do what with their preinstalled browser. There is a list with rendering engines on wikipedia but there should be differences appart from the rendering right?

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  • Which web solution should I use for my project?

    - by BenIOs
    I'm going to create a fairly large (from my point of view anyway) web project with a friend. We will create a site with roads and other road related info. Our calculations is that we will have around 100k items in our database. Each item will contain some information like location, name etc. (about 30 thing each). We are counting on having a few hundred thousand unique visitors per month. The 100k items and their locations (that will be searchable) will be the main part of the page but we will also have some articles, comments, news and later on some more social functions (accounts, forums, picture uploads etc.). We were going to use Google AppEngine to develop our project since it is really scalable and free (at least for a while). But I'm actually starting to doubt that AppEngine is right for us. It seems to be for webbapps and not sites like ours. Which system (language/framework etc.) would you guys recommend us to use? It doesn't really mater if we know the language since before (we like learning new stuff) but it would be good if it's something that is future proof.

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  • How to handle javascript & css files across a site?

    - by Industrial
    Hi everybody, I have had some thoughts recently on how to handle shared javascript and css files across a web application. In a current web application that I am working on, I got quite a large number of different javascripts and css files that are placed in an folder on the server. Some of the files are reused, while others are not. In a production site, it's quite stupid to have a high number of HTTP requests and many kilobytes of unnecessary javascript and redundant css being loaded. The solution to that is of course to create one big bundled file per page that only contains the necessary information, which then is minimized and sent compressed (GZIP) to the client. There's no worries to create a bundle of javascript files and minimize them manually if you were going to do it once, but since the app is continuously maintained and things do change and develop, it quite soon becomes a headache to do this manually while pushing out new updates that features changes to javascripts and/or css files to production. What's a good approach to handle this? How do you handle this in your application?

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  • Displaying message if no photo present...

    - by bgadoci
    I am using the code: <%= image_tag site.photo.url(:small) if site.photo.file? %> to tell my app to display nothing if there is no photo associated with a particular post (site in this case). Is there a way to render a message along w/ this. For instance "no image with the post". I tried simply doing <%= if site.photo.file? %> <p> no image with this site </p> <% end %> But that doesn't seem to work. New to ruby and rails if you can't tell.

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