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I'm already using gravatar icons for the users of my web service. However, I'm finding several problems with this approach:
Only a small percentage of the users take the time to set up a gravatar profile. My users are not tech-savvy, but would be likely to add a dedicated photo to my site.
Users of my service are encouraged to use images that depict them in proper uniform for the industry my service relates to. They wouldn't want that same picture to be used for personal purposes throughout the internet.
They would not take the time or effort to manage a separate email address and gravatar account just to have an "in-uniform" profile photo for my service.
Before I implement my own profile image feature, I was wondering if there are any open-source solutions that I could leverage with similar features to gravatar. Specifically:
The ability to display any size thumbnail (up to 512px would be fine)
Takes care of caching different sized thumbnails
Has support for something like identicons, preferably pluggable with different style algorithms (monsters, etc.), even better if I can customize these
Ability to fall-back to gravatar if no photo found
Does anything like this exist? I haven't found it yet if it does.
This is probably a year too late, but you might want to have a look at http://www.libravatar.org
Take a look at MonsterID from the creator of DokuWiki.
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I am working on a project where I need to create a Video/audio player in java that will allow a user to select a file they want to play and it to play that file. In the future, I am going to get the program to print the conversation of the audio/video file in real time, So i need to some how to create a video/audio player which has a elapsed time which I can be extract for the other component of the software.
I wondered if anyone could suggest some libraries for me to use or give me any advice they think could help me!
Thanks in advance!
I'm not sure what you mean by "print the conversation" but if the issue is knowing how far into the playback stream you are (i.e., elapsed time) then any media player I've diddled with has the ability to establish a listener that gets periodic update events. If your target environment is Android then you can simply use the android.media.MediaPlayer. I've had good results with it. I can't, however, give you a recommendation for a non-Android Java environment.
Also you need to be aware that there some video formats (e.g. Quicktime) may not be supportable with a given player.
You may take a look on Xuggler. Also some alternatives to JMF were covered in Wikipedia.
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I am developing a Blog kinda app where a user can upload images, videos, text, etc.
My problem is that I wanted to stop the users from uploading any explicit content. I need to check whether the image or text contained with any explicit or bad content. Till now I am not able to check if the text contains any explicit contents. In this, I compare the textual words with my database word dictionary. But I feel it is not a perfect solution as the number of words are too many. I wanted to know if this kind of checking is feasible and if it is not possible to do so, then any suggestions that I should follow and most importantly in the case of images. I am ready to use any API if it exist for such problems.
If there are any specific libraries in other platforms can also be helpful for reference purpose.
If you would like to remove spam it is a nice to consider Akismet. (Wordpress installations come with default integration.) There is an another widely used one called SpamWipe.
If you would like to check Plagiarism, there are other tools like the one that small seo tools is providing. You can take a look at copyleaks.com too.
There is a good list for API-s to use in your case:
http://blog.mashape.com/list-of-18-apis-to-protect-your-site/
Of course you could use this kind of API-s in your application.
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I am planning to develop a web application using GWT, but before that I need to make few clarifications. The web app what I am developing should be compatible with Mobile phone browsers considerable smart phone browsers.
I googled a lot to know this but I did not find supporting or sufficient documentations.
If GWT doesnt support what would be the other framework, which is open source java based framework?
There is no big problem with mobile websites build using GWT, it generates standard javascript + html. There is some libraries that can help you build mobile site, like http://code.google.com/p/gwt-mobile-webkit/. And you can write any widget you wish.
But keep in mind that GWT will generate very heavy target files, sometimes few megabytes long. So if you target audience uses GPRS for accessing your site, it could be problematic for them.
There is also other web-framework, that are GWT based: http://vaadin.com/home.
It have great collection of UI components, and currently authors are extending it to be more mobile friendly.
You could also try a different route with Context Framework. I think it suites better to mobile web developing because it is more lightweight solution. I have made a journey planner (in Finnish) with it and it was tailored especially to touch screen phones. You can find it here.
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My requirement is to access moodle as a backend engine and front end will be mint in Java[jsf]
now I want to know that is there any interface available to access Moodle from Java , using WebServices or any APIs or anything.
Initially I tried using Sakai which is in Java, but the problem is there is no clear API written for it.
So let me know the option for using Moodle from JAVA.
Also if it is possible than what will be the feature available through the WebServices or API. ?
Or any other LMS that is in Java and provide API or WebService to make this working.
I reviewed many LMS (dokeos, docebo, ATutor) last year and to be frank all of them sucked. Moodle was the most stable, had more plugins and a huge community.
I came across Project Sakai, I havn't tried it, but sounds promising. Something very interesting from Google is cloudcourse (in python I guess, but looks awesome demo). But not a complete LMS (compared to moodle).
You forgot to add Chamilo they have a list of available web services (SOAP) that you can use to create courses, users, add users to courses, etc
https://www.olat.org/ and https://www.openolat.com seem a good alternative to moodle.
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I am trying to integrate S3 with one of my content management systems. The idea is that I want to have document control features.
The system is quite unique in that it handles thousands of sites, then each site can have any number of contributors or authors who have permission to upload documents and files to the document control module of the site.
I haven't coded the document control module yet, but I would like to get started right away.
I know there are good developer tools for S3 already, however I would really like to make this even easier and even use third party open source products if they are licensable under resale.
Does anyone know of any kind of Java apps for example which makes uploading to S3 easy, or should I just concentrate on developing something which is targetted for my specific case usages.
I do a lot of interface design, but for this, I am really not sure how I should handle it, so I would be grateful also if people could provide examples of websites which have good support for document control and makes it look easy. I don't want something complicated which crazily complex workflow rules, I just want to create something so that site owners can publish documents, images etc. Manage the versions of them and also have a centralised bucket for adding site themes are images.
Here's a good PHP class to get you started with uploading files and managing buckets - http://undesigned.org.za/2007/10/22/amazon-s3-php-class
For java jets3t is the best I hav found: https://jets3t.dev.java.net/
I've used their packaged software and the libs in my own apps and both work very well.