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I just had a quick question about downloading files. I was reading this page:
http://groovy.codehaus.org/Simple+file+download+from+URL
Can someone explain what the difference is between the two ways explained on that page? (Aside from overriding the leftshift operator) Is there any significance for doing it one way or the other?
The former method is far cleaner and is what you would do in most cases.
The second is effectively enhancing the File object within the use closure. I can't see where it would be useful in this context, but say in your code you were often putting content from urls into files, or you had a dsl where you wanted to allow for that functionality, you could use categories to extend the file object.
Personally, I see the example as really just showing (a rather impractical) use for categories.
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I would like to implement go's concurrency in C because I have seen that it increases the [performance] of go. I have not tried anything because I can't understand what to try. How can I do that?
Coroutines are not available in C natively (although they're supported in C++ starting with C++20), so you're going to rely on external libraries or you'll have to implement something yourself.
Some useful resources: an example by Simon Tatham, another small example, a C library called libaco, an interesting article with an alternative approach.
Another approach could be using an event-loop, that is the same approach used by JavaScript to implement concurrency within a single thread. One of the most used libraries is libuv and here's a small example of using libuv.
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I am referring to the .html file associated with the node, not to the UI related nodes. I asked on the official forum and the response was that at the moment Angular is not used. My opinion is that it can be useful for writing nodes faster, without having to use only jQuery.
Thank you!
Short answer, at the this time you can not do this. Asking on here isn't going to get you a different answer.
If you want this to change then you need to make a very strong case (on the forum) as to why this needs to be done. The node's config (as described in the nodes HTML file) really shouldn't be that complicated that it needs a complex framework to lay it out.
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I cannot find way how to see all packages of given author on http://pub.dartlang.org
For example, if I want see all packages of caolan on https://www.npmjs.org I can click on the author link and go to author page https://www.npmjs.org/~caolan.
As far as I know, packages on http://pub.dartlang.org also has their own authors.
That is, they has rightful owners.
For some reason I could not find a way to get an overall picture about the packages relatively of their authors.
Is this possible?
If not possible then why?
P.S.
I am amazed at all the paucity of services provided to http://pub.dartlang.org.
The impression is that nobody does this because they simply do not care about it.
Maybe there is an argument in favor of the fact that I'm wrong?
I do not think that requires huge investments.
Pub site doesn't have such feature for now.
However the sources of http://pub.dartlang.org are available on https://github.com/dart-lang/pub-dartlang/ . You can help to improve the service by submitting Pull-Requests.
You can alternatively use the json output of http://pub.dartlang.org/packages.json and http://pub.dartlang.org/packages/xxx.json to achieve what you want. I made that and you can see a raw result at http://a14n.github.io/pub-infos/packages-by-uploader.html. The collected json datas are available at http://a14n.github.io/pub-infos/datas.json. (The sources: https://github.com/a14n/pub-infos )
It is not possible yet. There have been some mentions of improving the pub site. However, nothing has happened as of yet.
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I have an assignment of object detection.
I have googled but I didn't find all object detection methods.
Can anyone show me all the methods of object detection?
For starters, have a look at this post.
Then Google around (I'm sorry, you've said you've tried, but I just don't believe that a Google search on object detection gave you zero useful results). Look up things you're not sure about on Wikipedia. Finally, refine your question to be directed at a specific issue. You'll get a lot more useful input that way, and you'll learn more, too.
I don't think anyone here would indulge in teaching you all methods of object detection. To put it bluntly, you're simply asking for too much.
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I'm mostly concerned with documenting Controller actions, e.g http://foo.bar/app/thing/action/param. How would you recommend documenting these? I'm less interested in the method of generating the documentation (e.g. phpdoc or doxygen) and more a style of doing it. Should I list the parameters and return values as if I were documenting any other method?
In terms of format, I typically follow the same (well, similar) convention used by the CakePHP project itself (http://book.cakephp.org/view/509/Coding-Standards#Commenting-code-601). It's similar enough to JavaDoc that I found it easy to adopt and works nicely with the phpDoc engine. I do tend to include #param values as well as #return. I often find it helpful to provide a bit of additional explanation for acceptable/expected values.