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Closed 11 years ago.
what are the best practices to process images in enterptices web applications.
I mean
storing
assign with entity
fast loading/caching
delayed / ajax loading
suitable format (png, jpeg)
on fly editing (resizing, compress)
free libs/helpers
image watermarking/copyrighting on fly
Especially, appreciated already production approaches!
As always, every project has their own requirements, restrictions and resources (The 3Rs). There is no 'super pattern' or 'one size fits all' method.
We cannot tell you how to implement you project as every project is different. It's up to you to use your skills/knowledge and experience to make informed decisions on implementation.
The 'best practice' is to individually research and learn each of the technologies/methods you have listed and gain the knowledge to know when to use them based on your projects requirements, restrictions and resources.
I use ImageMagickObject in my mvc projects. It can:
suitable format (png, jpeg)
on flyediting (resizing, compress)
freelibs/helpers image
watermarking/copyrighting on fly
fast loading/caching: may be memcached?
delayed / ajax loading: jquery is a good solution
assign with entity: Entity Framework can work with almost all databases
storing: hard question. all depend to the functionality
Related
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Closed 9 years ago.
I have worked with Core Image, creating filters and stuff. Also I'm aware that Core Image has feature detection capability.
I have also worked a bit with OpenCV, but not on a mobile device. Used it for very basic purposes.
Core Image is a lot simpler than OpenCV in terms of coding, but I still see a lot of activity going on in the OpenCV community w.r.t iOS. I wanted to know some applications where OpenCV can be preferred over Core Image.
The main goal for Core image is to perform operations on images. As you mentioned in your question, you can create filters and modify images.
OpenCV however, has a far broader scope. As the name implies, it provides tools for all kinds of computer vision applications. It can be used for facial recognition, object recognition, 3D scanning, but also applying filters to images.
I have no idea what you mean by "require it to be used". As far as i'm concerned, every application requires to be used. There would be no point in writing an application if you are not using it.
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Closed 10 years ago.
I am currently playing around with Zend Framework 2.
Do any of you know of any high level explanations of how Zend Framework 2 all fits together?
I am not talking about a tutorial which shows you how to quickly get a website up and running using ZF2; I mean an easy to read "behind the scenes" guide which explains which code does what. This could be a simple explanation step by step of how ZF2 starts a project, loads each module, does the correct routing and then sends the correct output to the user.
I know it is possible to step through all the code using the debugger, but for beginners this is very painful without first understanding ZF2's architecture.
Does this exist?
Possibly even some sort of architecture diagram or UML?
Thank you.
I watched this:
http://www.youtube.com/watch?v=NsOrT1R6IQ0
It basically goes over the DI, ServiceManager and EventManager and explains the theory behind the use of modules. It is quite long (45 mins or so) but it did give me a good general overview.
Hope that helps a bit :)
Most of what you are looking for (not all by any means) can be found in the Zend/MVC component reference.
However it is not very concise and user friendly.
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Closed 10 years ago.
I have a requirement where, I need to give the user only one editable java class where he can make changes in the program such as changing username, changing phone number. The moment he saves the data, the built program should be able to reproduce the changes.
I am doing this project for BlackBerry.
I want to know, is there any way in which I can link a class with external project? I am developing the project using Eclipse. I don't know how the user will make changes and save. I know it's a little weird but generally speaking, I want to link two different applications using some middle interface. Any help is greatly appreciated
I believe this is a simple case of "You think you know what you want but you really don't" :)
Please explain what it is you want to achieve between your two apps and how they interact and we will provide you with a much better solution than asking a user to modify java files.
UPDATE AFTER OP COMMENT :
You need to look at XML or JSON. These are ways to format data so that it is easy to write/produce/transfert/parse.
Parsing XML on Blackberry
Parse XML file on BlackBerry
When you build a java project you get a jar file. If you include that jar file into the classpath, all of its contents will be available to your code (with necessary import statements).
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Closed 10 years ago.
Why to restrict allowed usernames by different rules? For example why can't user have "#123 qw" username? Is there any techical difficulties or it's just about community rules?
Also is it ok to have national characters in the username? If I use "UTF-8" encoding for my website it should work just well in all browsers.
Username within a system is most of the time for the consumption of HUMANS therefore, from usability point of view it should be READABLE
And yes you can use your national characters in username and make sure you understand character encoding , storage and retrieval. You system/application should be ready to consume the selected encoding at every level e.g client-side, server-side and at database end and tools you use to manipulate with each tier e.g IDEs etc ..
So from my point of view you need some extra knowledge and efforts to handle such a system without killing Usability
I believe I can give you more than one reason but the first that comes off my head is this one.
http://www.example.com/profile/%64123%20qw
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Closed 11 years ago.
I programmed in php. And when you use some framework, then, as far as php is intepreter, all the framework loads every request. But not rails, though, ruby is interperter too... So, how does it work
Nope. Rails as the framework caches all loaded modules, class and libraries on the first several requests (it's not on the first request only since it also has lazy load for above things).
But by default under development mode, all app modules (mvc) are reloaded on each request. Libraries (plugins, gems, etc) are not reloaded.
Your question is hugely wide open and too large to really answer effectively. This is a good place: RoR Guides. If after reading that you have more specific and directed questions bring them back and we'll try our best to help you...