Problems implementing a cache/proxy by means of Californium library - coap

I'd like to implement a proxy/cache server using californium Library. The problem is that I have no references about how to use it. Could you give some advice/tips or link me some manual or tutorial? I would appreciate a lot. Thanks

In the meantime, Eclipse/Californium contains a redesigned proxy2. See Proxy 2, README, for more details. It uses com.google.guava:guava:28.2 to implement the cache function.

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How does the DocuSign API work?

I am very confused as to how the API of DocuSign works, I tried looking it up here:
https://www.docusign.com/p/RESTAPIGuide/RESTAPIGuide.htm
But that didn't help me much, especially not because I need to implement DocuSign into the open source version of Vtiger.
Does anybody here know a site where I can learn more about DocuSign and how I can combine it with Vtiger open source?
As for what I already tried that is nothing, I first need to make a functional design which is kind of hard to do when you don't even understand the basic API.
I would really appreciate it.
I have never worked with an API before, so this is all new for me.
Have you tried the API overview instead of the reference guide? Check this out:
https://www.docusign.com/developer-center/api-overview
You can also look at the API Recipes to see some starting examples of what you can do in any language. I believe VTiger is written in PHP so you can find the PHP code to copy and paste to get you started.

Tool for managing CouchDB

I've found Kanapes IDE. Which looks like it could be useful but the developers have actually produced zero documentation. They simply ask that you to follow them on Facebook and Twitter. How is this documentation?! Do you know of any actual (hidden) user docs existing for this app? Or better yet, do you know if anyone has built a better (with actual help) CouchDB management tool? Yes I'm aware of Futon and it's very, very basic. I'm hoping something more/better than Futon exists.
Thanks for your replies :-)
You can also try erica. It has rather documentation. Good luck!

Can I use node.js with Objective-J?

I would like to write a web application using node.js and Cappuccino. I want to write the back-end in Objective-J, just like the front-end.
Can I use node.js with Objective-J? What is needed to do this?
beeing a professional Objective-J coder I can say it is definitely possible since Objective-J is fully based on JavaScript. But I also have to say that I never tried it.
I think it would be a good idea to directly start a discussion in the official Objective-J Google Group:
http://groups.google.com/group/objectivej
Check out https://bitbucket.org/clbruno/objj-node/overview

How to get preview-image of a web-site?

I know that there are even some web-resources exist which allow you to get a preview of a web-site 'as it looks in a certain browser'.
I only need view from any browser as an image. Is it possible to get that image without people involvement? Can I get it without system programming, just by means of pure java/python/asp.net?
UPD: http://browsershots.org/ is an example of described web-resources.
The tools I know of that does this - really "just" launches a browser (programatically of course) and takes a screenshot of the contents of the browser and saves this in an image.
I think no matter what you do, you will have to find a way of doing something like this. If you by system programming are refering to OS API calls, then I think you will be out of luck. You might be able to get a third party library that can do this for you, but then that library will simply be making those system calls instead.
I see now others have posted links to places that might prove themself useful to you as well. Without having looked at the links, that would probably be the easiest and best way to go.
Good luck
I believe what you're looking for is browsershots
There are some websites that let you do this.
Try BrowserShots
PageGlimpse is a service
providing developers with programatic
access to thumbnails of any web page.
It has API based on REST protocol and some documentation.
You have a lot of things doing this for you. Take a look at stw for instance.
If you're using .NET, it is possible to do this using the DrawToBitmap method of the WebBrowser control (example here). However, as you'll see by the last comment on that example page, it doesn't work with Flash, and it's a bit 'temperamental' with sites that use complex Javascript for rendering.
I think your best bet is to do as others have said and use a third party thumbnail provider. I haven't used it, but http://www.thumbshots.com/ looks good.

Where does the language Databasic originate?

Does anyone know where Databasic originates from, and any resources that could help me learn this language?
I'm assuming it's Basic but looking at some sample code there are database-specific features.
I recommend looking at the official documentation: http://download.northgate-is.com/reality/V14%20Manuals/help.htm
The company's web page also might have some useful information: http://www.northgate-reality.com/products.php
There is also DataBASIC that was developed by Metso Automation. It is a Basic variant that includes Database access commands, and has been used in Metso and Telvent products. I've been unable to find any Web resources on it, and depend on the documentation that comes with my Telvent product.

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