2228 questions
Can I communicate with Android and Beacon through Ble chat?Do you have any examples to refer to if you can communicate...?
I get the value from Google Firebase database to getvalue.When I saved it as a set value, the data that was listed was saved as an object typeI'm calling it getValue, but I have to change the object d...
Hi, how are you?It's my first Google Cloud platform today.You can create a computer engine, install an Apache, and access it with an external IP...It only says Unable to connect. Why is that?When I cr...
Loading photos via communication with other urls is handled normallyten thousandFor example, url with Hangul (for example, http://site/directory/httpg)In the same case, the image is not loaded. I conn...
You said semantic markup is very important. You said that each code has its own use and you have to use it accordingly.Why is it hard to find a site with semantic markup written properly? I'm asking y...
Hi, how are you?There are two identical images, but only one image has a specific key valueIs there a way to distinguish a specific image from a computer (mobile, app) perspective using this key value...
I don't understand the chords, but I copied and used them ㅠ
handler.post(new Runnable() { @Override public void run() { tv.setText (per test); } });I can't do the TV.setText part in this part, but why can't I do it?
TextView NavId = findViewById(R.id.nav_id); SharedPreferences sp = getSharedPreferences(sp, MODE_PRIVATE); String User_Id2 = sp.getString(User_Id, ); NavId.setText(User_Id2); Log.d(123123, NavId + 123...
Spinner's event is changed to Background Assuming that the item is divided into four categories: Black, Blue, DKGray, and WhiteIs there any way to get it applied right away?The current state is applie...
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