Posts by Ramon Lopes • 53 points
8 posts
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answer221
viewsQ: Error in Node.js Module.js 472 throw err;
I’m creating a API in Node, for request with my application. But this error appears, claiming that this folder does not exist, but in the code I am not calling it anywhere. module.js:472 throw err;…
node.jsasked Ramon Lopes 53 -
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votes1
answer782
viewsQ: How to reference an xml button of another Activty?
This is the mistake: java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.octupus.ramonteste/com.example.octupus.ramonteste.projetoEscolaAluno.MainActivity}:…
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answer214
viewsQ: Return error of Listview object list
Here’s my main class: public class MainActivity extends AppCompatActivity { public ListView lista; ArrayAdapter<Aluno> adapter; @Override protected void onCreate(Bundle savedInstanceState) {…
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answer120
viewsA: How to install the Android Studio patch?
I got it this way, I think it will help other people with this same doubt. Unzip the downloaded file. android-studio --> folder bin In the folder bin you can find the Studio.exe or studio64.exe.…
android-studioanswered Ramon Lopes 53 -
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votes1
answer120
viewsQ: How to install the Android Studio patch?
When I update the IDE, it doesn’t automatically update, but it does ask to download the zip file. Link…
android-studioasked Ramon Lopes 53 -
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votes7
answers10560
viewsA: How to test if an Edittext is empty?
You can test this way, with the equals("") Ex: @Override public void onClick(View view) { if (edtAltura.getText().toString().equals("")) { Toast.makeText(getApplicationContext(), "Campo Altura está…
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answers1513
viewsQ: Calculating Series in Python
How to calculate series in Python? I created an algorithm but I’m not getting to the final goal. Ex: S1 = x + (x-1) + (x – 2) + ... + (x – n) S2 = 1 + 1 +1 + 1 +2 + … 1 I entered with an initial…
python-2.7asked Ramon Lopes 53 -
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votes1
answer769
viewsQ: Know how many positions were filled in a vector in C
I cannot display the filled positions in C. I need to return which positions are missing to be filled and which are filled. ex:"So far there are 3 registered students, thus enabling the insertion of…