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Android emulator shows nothing except black screen and adb devices shows “device offline”
...e AVD Manager and create a new AVD with the Target value of Android 4.0.3 (API Level 15), revision 3 or higher.
So Android 4.0.3 (API Level 15) seems to be the minimum requirement for graphics acceleration.
Update 25.07.2018:
The latest Android Studio version does not have this option anymore.
I...
How to convert Milliseconds to “X mins, x seconds” in Java?
...)
);
If TimeUnit or toMinutes are unsupported (such as on Android before API version 9), use the following equations:
int seconds = (int) (milliseconds / 1000) % 60 ;
int minutes = (int) ((milliseconds / (1000*60)) % 60);
int hours = (int) ((milliseconds / (1000*60*60)) % 24);
//etc...
...
ActiveModel::ForbiddenAttributesError when creating new user
...is also a permit_params in the model register block:
ActiveAdmin.register Api::V1::Person do
permit_params :name, :address, :etc
end
These need to be set along with those in the controller:
def api_v1_person_params
params.require(:api_v1_person).permit(:name, :address, :etc)
end
Otherwise ...
Django Rest Framework File Upload
...instead, you'll find an example in the docs :)
class FileUploadView(views.APIView):
parser_classes = (FileUploadParser,)
def put(self, request, filename, format=None):
file_obj = request.FILES['file']
# do some stuff with uploaded file
return Response(status=204)
...
WebService Client Generation Error with JDK8
...Well, I found the solution. (based on http://docs.oracle.com/javase/7/docs/api/javax/xml/XMLConstants.html#ACCESS_EXTERNAL_SCHEMA)
Create a file named jaxp.properties (if it doesn't exist) under /path/to/jdk1.8.0/jre/lib and then write this line in it:
javax.xml.accessExternalSchema = all
That's...
getting the ng-object selected with ng-change
... int Id { get; set; }
public string Name { get; set; }
}
.NET C# Web Api Controller
public class DepartmentController : BaseApiController
{
[HttpGet]
public HttpResponseMessage Get()
{
var sms = Ctx.Departments;
var vms = new List<DepartmentViewModel>();
...
Rails update_attributes without save?
...=> 'Sierra', :years => '1990', :looks => 'Sexy'}
Source: http://api.rubyonrails.org/classes/ActiveRecord/Base.html
attributes=(new_attributes, guard_protected_attributes = true)
Allows you to set all the attributes at once by passing in a hash with keys matching the attribute names (whic...
Show current state of Jenkins build on GitHub repo
...eleven. I'm using Jenkins LTS 1.625.3 with Github Plugin 1.16.0 and Github API Plugin 1.71. This options does not show up. Rather I see a drop down for credentials, but no credentials are listed (even though I have credentials set up). These credentials appear when going to Advance-> Manage Addit...
Why dict.get(key) instead of dict[key]?
...
I will give a practical example in scraping web data using python, a lot of the times you will get keys with no values, in those cases you will get errors if you use dictionary['key'], whereas dictionary.get('key', 'return_otherwise') has no problems.
Similarly,...
Is there a jQuery unfocus method?
...
$('#textarea').blur()
Documentation at: http://api.jquery.com/blur/
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