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Python 2021-09-04 13:43:01
return position of a unique value in python array
In [304]: array = np.array([1, 1, 2, 3, 2, 1, 2, 3]) In [305]: np.unique(array) # unique values in `array` Out[305]: array([1, 2, 3]) In [306]: array == 1 # retrieve a boolean mask where elements are equal to 1 Out[306]: arra... Add solution -
Java 2021-09-04 04:53:02
javafx combobox cell
@FXML AnchorPane root; @FXML ComboBox<UserDTO> cmbUsers; List<UserDTO> users; public class GateInController implements Initializable { @Override public void initialize(URL location, ResourceBundle resources) { users = UserService.ge... Add solution -
Other 2021-09-03 20:49:01
Generate 10 verification codes of length 4 and print them, e.g.,
#random package to find random integer import random #This method returns a random value of given length #len - parameter determines the length of the random value def random_value(len): result = '' #len decrements with each iteration #Hence... Add solution -
Java 2021-09-03 17:36:02
isinstance java
public class MyClass{ //... } Object m=new MyClass(); Object o=new Object(); boolean mInstanceOf=m instanceof MyClass;//true boolean oInstanceOf=o instanceof MyClass;//false boolean misInstance=MyClass.class.isInstance(m);//true boolean oisInstance=MyCl... Add solution -
Other 2021-09-01 03:23:02
int cannot be converted to boolean
public class Demo { public static void main(String[] args) { int val = 100; System.out.println("Integer: "+val); boolean bool = (val == 100); System... Add solution -
Javascript 2021-08-31 10:44:02
java jsf rendered
condition must be some boolean condition <h:form rendered="#{bean.booleanValue}" /> <h:form rendered="#{bean.intValue gt 10}" /> <h:form rendered="#{bean.objectValue eq null}" /> <h:form rendered="#{... Add solution