web-applications

Keeping a web request alive.

I have a web application , that helps download reports. But the report generation sometimes takes a lot of time, and the web request times out through the intermediate proxy server.(Timeout :90 secs). The workflow for downloading the report is straightforward. Client sends request to the web server. The web server generates the report ,...

Where to start when getting into web application development

I am looking to get into web application development. I am an undergrad CS major with experience in programming desktop apps, but with only basic knowledge regarding how web apps work. Any suggestions of where to start? Javascript, php, perl, ruby, python? Should I look into frameworks like django, seaside, ruby on rails, etc at firs...

Need suggestion for implementing Message alert in Client server application

My requrement is like, i have to display message alert like if you sign in yahoo messanger and once u got any message a alert box will display corner of the page.Like wise when i sign in my website and if anybody send me any message then message will store in database and symultaneously a alert should display in my site. I am using .net ...

Reuse implemented business classes in a web applications

I have implemented my domain layer classes and i have used them in a java application. Now i want to use same classes in a java web application,but i don't know how can i do it? In the java application we make and run some objects in main(class and method) and use them while program is running. for example an object that hold a collectio...

Handling data update/freshness issue in web-app in general (or GWT specifically)

In general, how do you guys handle user update/data freshness interaction with the user (UI issue) in web-apps? For example: Multi-users web-app (like project management) Login to a "virtual" space People can update project names, etc How to handle a situation such that: user-A and user-B load a project with title "Project StackOve...

Simple Java web application on Tomcat

If we only need to graphically authorize a user, view a few tables representation (from database), ability to change data in the database visually what tools to use to write such a web application that will run on Tomcat? What framework allows to do that in the most straightforward, easy-to-manage and elegant way? ...

Ajax and sophisticated graphics in Java web-app

In my opinion WWW will sooner or later come to full-blown AJAX web-sites, so that we wouldn't have page reloads every time you click somewhere. Now I want you to ask this. What tools and frameworks can one use to make a Java Web-application running on Tomcat have AJAX functionality like "in-place, with no page reloading" table sor...

Hibernate overriding database modifications with detached object state

I'm gonna go with this design: create an object and keep it alive during all web-app session. And I need to synchronize its state with database state. What I want to achieve is that : IF between my db operations, that is, modifications that I persist to a db someone intentionally spoils table rows, then on next saving to a database ...

Can you test Web Apps on Phone Emulators

Is it possible to test a web app in an android emulator and an iphone emulator? Is it possible to direct the browser to a url within a mobile emulator? ...

Maintain List of Active Users for Web

Problem Statement - Would like to know if particular web app user is active (i.e. logged in and using site) and be able to query for list of active users or determine a user's activity status. Constraints - Doesn't need to be exact (i.e. if a user was active within a certain timeframe, that's ok to say that they're active even if they'v...

Spring + JWS + Tomcat

Is it possible to bundle Tomcat with a Spring application with Java WebStart & how ? ...

How to ensure/determine that a post is coming from an specific application running on an iPhone/iTouch?

Building an iPhone OS application that will allow users to anonymously post information to a web application (in my particular case it will be a Rails based site) ... and I want to ensure that I only accept posts that originate from a specific application running on an iPhone/iTouch. How is this best accomplished? (btw, if your answer ...

Should we or should we not check in the classes folder in WEB-INF directory into SVN?

I use SVN, and am learning how to use it along with eclipse IDE. The first time I add classes to my package, there is no problem, the generated class files get into SVN smoothly. The moment I edit them, I get this message - "WEB-INF/classes" is obstructed. I try the "clean-up" command and the clean up command says "WEB-INF/classes" folde...

Website does not automatically fit to iphone screen

Hello, The following code does not fit onto the iphone screen; how do I have to define the viewport? <html> <body> <center> <div id="karteu" style="background: url('../customer/Karten/karte1.jpg') no-repeat left center;width:714px;height:540px;" > </div> </body> </html> Normally the site should be zoomed, so i first should see the web...

Web-Application development startup advice

Recently me and two of my friends from college started a software company. We are developing web-applications using GWT-Spring-Hibernate and other helper frameworks. In a couple of months, we managed to set up a stable back-end and produced some demo programs for CRM solutions. Our area of interest is CRM where we can combine the flexibi...

How to perform functional testing of a dynamic website?

I have already test Firefox extension like "Selenium" and "Molybdenum" but they are not really usefull with a dynamic website. Indeed, the content changes often so all functionnal tests recorded are quickly deprecated. ...

JavaScript - Storing data during user interaction

I'm working on a web based form builder that uses a mix of Jquery and PHP server side interaction. While the user is building the form I'm trying to determine the best method to store each of one of the form items before all the data is sent to the server. I've looked at the following methods Javascript arrays XML document Send each fo...

Integrate OpenId into an existing site

I have a working web application which already has a login and registration system. I'm looking for some advice on how to do it. Until now, users have a username, an email, a password and some optional fields. The registrartion is the usual process with email confirmation. Now I'd like to allow users to use OpenId. So I have added an o...

System architecture: simple approach for setting up background tasks behind a web application -- will it work?

I have a Django web application and I have some tasks that should operate (or actually: be initiated) on the background. The application is deployed as follows: apache2-mpm-worker; mod_wsgi in daemon mode (1 process, 15 threads). The background tasks have the following characteristics: they need to operate in a regular interval (e...

Name for build option (for "make install") specifying where to install web application

I want to provide 'install' target for Makefile for web application. I'd like to be able to install it, for example like described below: $ make install \ xxxdir=/var/www/cgi-bin (similarly to how one would use 'bindir' for ordinary programs, and 'mandir' / 'infodir' for documentation). Is there any standard (similar to autotool...