Ive tried to gather information on as to how core data works, but can someone give me a clear explanation of all the stuff required...For instance NSDataContext, Fetchcontroller, NSDataModel, Presistent...
Perhaps all the steps involved to get a data...Now I'm also unclear about an SQLite file, like how do we load the data into the core data , once we have created our entities etc..
Thanks
The best place to look is the Core Data Programming Guide. Is there a specific question you have that isn't answered there?
Related
Consider the FHIR Patient data at http://spark.furore.com/fhir/Patient/f201.
How can I get the photo object referenced therein at URL "binary/#f006"??
I would have thought an HTTP GET on http://spark.furore.com/fhir/binary/#f006 would have done it, but alas...
the data there is wrong. Your conversion to the get was correct, but you ended up with a wrong URL because the reference is wrong in the first place.
It should say: url="Binary/f006" which would equate to a get of http://spark.furore.com/fhir/Binary/f006. That doesn't work either, which is another error in the way things are defined.
See http://gforge.hl7.org/gf/project/fhir/tracker/?action=TrackerItemEdit&tracker_item_id=6107 for follow ups
Yes, this reference is outdated, and we are not distributing Binaries currently as part of the examples in the FHIR specification. Our server Spark loads the examples from the specification when we initialize the database, hence the images are not there.
For now, I have uploaded the correct image to Binary/f006 and have updated the link in Patient/f201, so things should work now. When we re-initialize the database (we don't do this often), these changes will be reversed, but a simple PUT to Binary/f006 and an update of Patient/f201 will fix this of course.
This questions is related to Kohana ORM AND Caching module. I use version 3.2 if it matters. I tried to research trust me, but I really couldn't find some good answer... so here it is:
What are the correct ways to use ORM::cached() and ORM::serialize() and ORM::$reload_on_wakeup?
I've seen many 2-line code examples but never anything really solid on the userguide/api...
What is the difference between enabling Cache module and 'caching' => true in Kohana::init?
Anyone has any recommended approach for the following specific situations? I have a catalogue page that upon profiling, I realized two very expensive actions:
I queried database each time for a currency model for each item, when the currency information can really be reused.
I queried database each time for each item's inventory item, this is an expensive query, which I wish I can cache until inventory level changes.
References that I found but couldn't answer fully my questions:
http://forum.kohanaframework.org/discussion/1782/tip-for-caching-orm-objects/p1
http://forum.kohanaframework.org/discussion/10600/does-kohana-orm-and-cache-work-together/p1
Just found your question, maybe too late, but maybe is useful to others:
cached, will force the Query builder to cache the DB query. It uses the KOhana:cache method (file cache) I am trying to find a workaround for this.
enables caching for the file search as says in the Kohana/Core.php file: Whether to use internal caching for [Kohana::find_file], does not apply to [Kohana::cache]. Set by [Kohana::init]
Enable caching true to speed up the file search, and enable the cache module, I am working on a way to cache the queries of DB using the instance used by the module. That would be better than using the file cache. Maybe I am missing something but stuck there right now.
I found the DiskVolumeInfo property -- I'd like to use it to get some disk information in a clustered setup.
http://msdn.microsoft.com/en-us/library/windows/desktop/bb309235(v=vs.85).aspx
The problem is I have no idea what technology is required to get this data. This doesn't resemble the standard C/C++/C#/VB format of function/method reference.
Question: How do I get the DiskVolumeInfo data?
Ideally I could write the binary output directly to a file, say data.bin.
Any ideas would be helpful, thanks.
The process for getting object properties is described here.
Looks like you need to call the ClusterResourceControl function with a handle to the physical disk resource and the CLUSCTL_RESOURCE_GET_PRIVATE_PROPERTIES control code. You can then use ResUtilFindBinaryProperty to extract the DiskVolumeInfo property from the property list returned.
For anyone still interested:
As given here CLUSCTL_RESOURCE_STORAGE_GET_DISK_INFO_EX is a better way to do this.
I have an "examinations" table, its consultation_id relates to "consulsations" table, which in turn its consulation_id relates to the "patients" table.
Now, when I am in the add.ctp, edit.ctp or view.ctp of the "Examinations" Views I need to pull the "patients" details in so that some patient info can appear as to who the form pertains to as patient.
I have tried joins. Not to say they dont work. I am new to cakephp and I really need help as to how it will appear within the controller and how the view.ctp will display it.
I thought of elements but they are just .ctp files right?
Please if anyone can help regarding this it would be so appreciated. I've been trying to do this now for a week and I know there is something simple I am dont doing or thinking rights about.
So you just want to pull in related data? Pretty simple.
In your ExaminationsController methods.
$patients = $this->Examination->Consultation->Patient->find('all',
array('conditions'=>array('consultation_id'=>$id,'examination_id'=>$e_id)));
Something similar to this, not quite sure on which id you need to pass, as it will depend on how your models are linked up. http://book.cakephp.org/2.0/en/models/retrieving-your-data.html
However, if your models are linked up properly, you should get this data anyway. If not set your models recursion to be higher.
$this->Model->recursive = 2;
Hey, i've been looking around for a ajax dropdown sorter for my Views in Drupal.
Unfortunatly, i haven't found alot of usefull information about this subject.
Can anyone tell me if theres a solution already available or can help me started on a custom module by telling me which hooks i should use?
I had a similar issue. Unfortunately I wasn't able to sort the data from the database which is by far the best way. I was however able to take the data and sort it with PHP using a preprocessor function. Depending on the name of your view, setup a function similar to the following:
function templatename_preprocess_name_of__view(&$vars)
{
//Super sweet sorting code goes here
}
The name of your view needs to follow the name of the template file that it is driven by, if there isn't on you should create one. Make sure to change dashes to underscores in your function name. Hope this is helpful. If you find a way to do it from the DB I'm all ears because that would be super awesome.