web-applications

Creating a PHP web app to allow users to vote on submissions - How can I minimize abuse.

Hi Community, I've only written a few small php web apps and I'm throwing code together right now to allow for users to submit short stories. these stories will display and allow others to vote them up. The winner receives something rather valuable and I'm paranoid people are going to try to manipulate it. Debian / Apache / PHP 5.2 ...

Best approach to creating a database driven Java website?

I'm fairly new to programming and new to java, but I'd like to jump in the deep end with a little database driven website project. I've read quite a lot about requirements in the 'real world' requesting experience with Spring and Hibernate, so I have those installed on netbeans and a project created (if I hit run I get the default spring...

Is anyone else receiving a QUOTA_EXCEEDED_ERR on their iPad when accessing localStorage?

I have a web application written in JavaScript that runs successfully on the desktop via Safari as well as on the iPhone. We are looking at porting this application to the iPad and we are running into a problem where we are seeing QUOTA_EXCEEDED_ERR when storing a relatively small amount of data within the localStorage on the device. ...

How to insert multiple input boxes during run time in JSF richfaces

HI, suppose i have one input box which takes value for mobile no. and when the user wants to add another mobile no at that time user will click 'plus' button. as soon as he clicks the plus button another text box should appear and user should allow to enter another mobile number i want code in JSF richfaces please help me out. Thanks i...

JQTOUCH, Binding to links pulled in via AJAX, to make another AJAX call? Possible?

Hello. I'm using JQTOUCH using the AJAX example provided in the demo: $('#customers').bind('pageAnimationEnd', function(e, info){ if (!$(this).data('loaded')) { // Make sure the data hasn't already been loaded (we'll set 'loaded' to true a couple lines further down) $('.loadingscreen').css({'display':'bl...

J2EE: Print pdf on the fly

In my web application(J2EE), I would like to print a pdf file generated on the server side on the fly in the client side without opening it, the files could be one or many, Is it possible ? If yes please let me know how ? Thanks in advance ...

Resizing the window in web application JSF richfaces

I want to resize the window as and when user adjust the browser. I am catching the resize event and changing the height and width. But it's not working for all. Please give some idea. I am doing in JSF richfaces. ...

Webrowser which emulates the iPhone browser

On the Mac I got the iPhone Simulator but under Windows and Linux enviroments I need a webbrowser which emulates the behaviour and size of the iPhone browser. I'm not looking for a website with a frame with the iPhone screen size but an actual application. Prefably webkit based so it will behave as much like the iPhone as possible. It sh...

Is it possible to configure a Spring session scoped bean with attributes from the session?

I'm trying to create a service bean that when referenced will be initialized with HttpSession based attributes. Let's say for sake of argument that my webapp would do the following: Establish a session Request login & password When service is requested (it is scope="session" and has init-method="init()") a new instance is created for ...

iPhone JQTOUCH - How to build a Contact List with the Alphabet Scroller on the right

I'm using JQTOUCH to build a iPhone web app that includes a contact list just like in the iPhone under Phone > Contacts... This contact list has a vertical alphabet that allows the user to click & jump to the right anchor location in the list. Is there a smart way to do this or plugin already available that would work with JQTOUCH? Th...

How to solve the problem of not being informed of successful payments by the 3rd party system used by my website?

I have a subscription based website that interacts with a 3rd party system to handle the payments. The steps to process a new subscriber registration are as follow: The subscriber enters his/her details in the subscription form and click on the submit button. Assuming the details specified are valid, a new record is created in the dat...

session value lost in page load

i have converted a web application project from 2003 to 2005.everything works fine in 2003,but the converted web application project in 2005 has some problem, problem is in session values,initially the session value works fine(for the first time),but if the page is loaded for the second time the session value becomes empty. in first pag...

Good Guide For Web App Security?

Hello! I am pretty good on making web applications and I know how to transfer data to and from client/server, etc. I need some help though learning how to make the data exchanges more secure. That is the reason why I feel kind of scared to publish any web app I make. I wanted to know what are some good guides to help you understand and l...

Object of type 'customObject' cannot be converted to type 'customObject'.

i am receiving the follwing error when i am invoking a custom object "Object of type 'customObject' cannot be converted to type 'customObject'." Following is the scenario when i am getting the error i am invoking a method in a dll dynamically. Load an assembly CreateInstance.... calling MethodInfo.Invoke() passing int, string as a ...

I would like to build a Java Web Application. What's the quickest start?

I am a reasonably competent programmer, with about 11 years experience. I particularly like Ruby/Rails and ActionScript. And Java is not too hard. I'd like to develop a web application in Java in order to leverage things like BlazeDS and learn some new tricks with regard to JBoss and the whole Java App thing. But I'm having trouble - a...

Embeddable database better than SQLite for java

I am creating a web application that is accessing a SQLite database in the server. I also have "clients" that updates this same database. As we know SQLite locks the entire database during INSERTs which are done by the clients and the web application is also trying to make some UPDATEs at the same time. So my problem now is about concurr...

lowest latency, least overhead app server?

I'm designing an application which will have a network interface for feeding out large numbers of very small metadata requests. The application code itself is very fast, basically looking up data cached in memory and sending it to the client. What's the absolute lowest latency I can get for a network application server running on a lin...

Possible to use Javascript to get data from other sites?

Is it possible for a web page using Javascript to get data from another website? In my case I want to get it for calculations and graphing a chart. But I'm not sure if this is possible or not due to security concerns. If it is considered a no no but there is a work around I would appreciate being told the work around. I don't want to...

How to synchronize HTML5 local/webStorage and server-side storage?

I'm currently seeking solutions for transparently and automatically synchronizing and replicating across the client-side HTML5 localStorage or web storage and (maybe multiple) server-side storage(s) (the only requirement here that it should be simple and affordable to install on a regular hosting service). So do you have any experience ...

email address in the url

Hi, I am passing the email address as part of the url, for ex. http://example.com/hello/[email protected] but, when being passed to the application controller it is changed to " user%40hotmail.com ". I can't seem to understand this special character escaping; confusion. please help me explain the problem here, and also what can I do...