d tag

2228 questions

1 answers
131 views
0

[Novice Wang] I want to change the background of the button selected under certain conditions

When selecting any one of the 29 buttons under the condition that n=1 is performed during multiple actions, If the background of the selected button is A, I would like to change it to B.for(i in 0..28...

android studio kotlin imagebutton

2 years ago

1 answers
30 views
0

How to Back Up Android Cloud?

Until now, I used Google drive api to back uphttps://developers.google.com/drive/android/I think Google drive api is out of service nowHow do you all back up to the cloud?I received many apps and foun...

android

2 years ago

1 answers
133 views
0

Is there a way to get GPS information with an Android studio emulator?

I'm making a location sharing application while studying Android, and I'm trying to test if I can share a location with one phone, but I'm trying to test it with an emulator.The problem is that I want...

android gps

2 years ago

1 answers
64 views
0

Compress movies from Android

I'm developing an Android app.The main function of my app is to upload videos and photos The problem is that even if you force the camera to be low in quality when you're shooting a video, sometimes o...

php android upload

2 years ago

1 answers
153 views
0

Operating system concepts 9th edition (dinosaur book) User thread, kernel thread question.

I have a question because I don't understand the user thread well.'Thread management is done by the thread library in user space,so it is efficient''because onlyone thread can access the kernel at a t...

thread operating-system

2 years ago

1 answers
47 views
0

[Android] [Firebase] Deleting a specific database

Hello.I'm opening a chat room through FirebaseI want to delete the red part when I press a specific buttonBut when I press the button, the chat table is all erased. Is there a way? Please refer to it ...

android firebase

2 years ago

2 answers
87 views
0

Get the db you want when you click on the view

Data imported from mysql has been scattered in the list view. When I click on the item in the list view, I'd like to show you other information about the data in pop-up format. There is a column calle...

android mysql listview

2 years ago

2 answers
159 views
0

Table width value setting question

Hi, everyone.I have a question about the contents of the lecture.When specifying the area of each cell in the table, the area on the css andIs there a right way to do it inside the HTML?Or is it okay ...

fast-frontend table_layout presentation_attributes validation table

2 years ago

1 answers
75 views
0

Socket connection between two devices is in progress, but it sticks well only when tethering is connected, and it cannot be connected when it is in 3G state.

I turned on tethering on the server side and the client was connected, so the connection was good.The server app sets the IP address starting with 192.168... and any 1999 portIn the client app, when I...

android socket tethering

2 years ago

3 answers
88 views
0

Webbekend questions

I'm going to study Beckend with Java or Spring Even if you google it, there is no Java like spring or php Is the Java-based jsp sound used for the web?

back-end

2 years ago

- 130 -

Popular Tags

python x 4647

android x 1593

java x 1494

javascript x 1427

c x 927

c++ x 878

ruby-on-rails x 696

php x 692

python3 x 685

html x 656