I am trying to use OneSignal to set up location-based push notifications, but I am not receiving notifications. I am getting an error. All players included are not subscribed. I don’t know what the
Tag: why
Android – When we start new activities to kotlin why we put .java in intent instead of .kt
According to kotlin doc, we use the following syntax to start a new activity
startActivity(Intent(this @ MainActivity,NextActivity :: class.java)) It’s kotlin, why do we add .java after
Why is the package name in xamarin.android?
When creating a new Xamarin. Android project and naming it OurProduct.Mobile, the package name will be OurProduct.Mobile.OurProduct.Mobile. The apk name will also be OurProduct.Mobile. OurProduct.M
Why will I call the bash command from Ruby?
I am trying to use Ruby to execute the following bash commands on some images:
class Pingcrush
def initialize
Dir.foreach(‘drawable’) do |item|
next if item ==’.’ or item ==’..’
# do work
Ruby-on-rails – Why do people use Heroku when AWS occurs? What is the difference between HEROKU and AWS?
I am a beginner RoR programmer and he plans to use Heroku to deploy my application. According to my other consultant friends, Heroku is very simple and easy to use. The only problem is me Still don
Ruby-on-rails – Why is Ary.each to dump all content of the object?
foo is an array of objects, and bar is an attribute of the object.
(rdb:1) foo .bar.map{|v| bar.v }
[“a”, “b”, “c”, “d”, “e”, “f”]
< br />(rdb:1) foo.bar.each{|v| p bar.v }
[massive outpourin
Why is Ruby’s array.map () is also known as array.collect ()?
Whenever I see Ruby code saying:
arrayNames.collect {… } < p>I forgot what I collected, I have to find out what it is, and found that it is the same as map().
Map, I can understand, t
Delphi – Why does the components created at my runtime do not appear on the form?
I am testing an example from this Q& A Component Creation – Joining Components Together? to understand how to create custom/composite components.
Although the example The components installed
Delphi – Why can’t this LEA directive can’t compile?
I am porting 32-bit Delphi BASM code to 64-bit FPC (Win64 target operating system), and want to know why the next instruction cannot be compiled in 64-bit FPC: < /p>
{$IFDEF FPC}
{$ASMMODE I
Delphi – Why does a class need an empty method to call it?
I am evaluating an existing dependency injection library for Delphi, and settled on delphidicontainer due to its simplicity-it only requires a unit file!
However, there is one thing I don’t u