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Why does Python code use len() function instead of a length method?
...t behave like the built-ins, enabling the expressive and highly consistent APIs we call "Pythonic".
By implementing special methods your objects can support iteration, overload infix operators, manage contexts in with blocks etc. You can think of the Data Model as a way of using the Python languag...
How does Google calculate my location on a desktop?
... the system (probably in compliance with the W3C draft for the geolocation API) your computer sends the wifi identifiers it sees, and the system does two things:
queries its database if geolocation exists for some of the wifis you passed, and returns the "wardrived" position if found, eventually w...
How to get Latitude and Longitude of the mobile device in android?
...ic class GPSTrackerActivity extends AppCompatActivity implements
GoogleApiClient.ConnectionCallbacks,
GoogleApiClient.OnConnectionFailedListener {
private GoogleApiClient mGoogleApiClient;
Location mLastLocation;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.on...
Rails :dependent => :destroy VS :dependent => :delete_all
...
See api.rubyonrails.org/classes/ActiveRecord/Associations/… (search for "nullify") for the authoritative rdocs.
– mrm
Aug 15 '11 at 4:54
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How to do a JUnit assert on a message in a logger
...rs better for that :
With AssertJ it would be :
import org.assertj.core.api.Assertions;
Assertions.assertThat(listAppender.list)
.extracting(ILoggingEvent::getMessage, ILoggingEvent::getLevel)
.containsExactly(Tuple.tuple("start", Level.INFO), Tuple.tuple("finish", Level.INFO...
Can I use assert on Android devices?
...
The API provides the JUnit Assert.
You can do
import static junit.framework.Assert.*;
now you can use all the functions like assertTrue, assertEquals, assertNull that are provided in the junit framework.
Be careful not to ...
Rails: how do I validate that something is a boolean?
...ion_of :field_name, :in => [true, false]
From an older version of the API: "This is due to the way Object#blank? handles boolean values. false.blank? # => true"
I'm not sure if this will still be fine for Rails 3 though, hope that helped!
...
How do you manually execute SQL commands in Ruby On Rails using NuoDB
...nnection without calling ActiveRecord::Base.clear_active_connections!. See api.rubyonrails.org/v5.2/classes/ActiveRecord/…
– eremite
Jun 29 '18 at 18:08
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AngularJS toggle class using ng-class
...
It's from jqLite. For more docs.angularjs.org/api/ng/function/angular.element
– Ruhul Amin
Aug 16 '16 at 9:13
1
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Using vagrant to run virtual machines with desktop environment
...step 3 code needs to be contained within the Vagrant.configure(VAGRANTFILE_API_VERSION) do |config| ... done method of the Vagrantfile.
– neontapir
Aug 5 '14 at 22:54
1
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