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Javascript 2021-08-31 16:18:01
computed property in javascript
/* Computed Property Names is ES6 feature which allows the names of object properties in JavaScript OBJECT LITERAL NOTATION to be determined dynamically, i.e. computed. */ let propertyname = 'c'; let obj ={ a : 11, b : 12, [propertyname] : 13 ... Add solution -
Javascript 2021-08-31 13:38:01
javascript copy items into another array
/* Copying arrays or parts of arrays in JavaScript */ var fruit = ["apple", "banana", "fig"]; // Define initial array. console.log(fruit); // ["apple", "banana", "fig"] // Copy an entire array ... Add solution -
Java 2021-08-31 04:17:03
access specifiers in Java
In Java, access specifiers are the keywords which are used to define the access scope of the method, class, or a variable. In Java, there are four access specifiers. * Public: The classes, methods, or variables which are defined as public, can... Add solution -
Java 2021-08-30 06:02:02
string sorting in java
// how to sort string array in java without using sort method import java.util.Arrays; public class SortStringArray { public static void main(String[] args) { String[] strPlaces = {"Great Barrier Reef", "Paris", "BoraB... Add solution -
Javascript 2021-08-29 16:30:03
difference between React Native and React
ReactJS is a JavaScript library, supporting both front-end web and being run on a server, for building user interfaces and web applications. React Native is a mobile framework that compiles to native app components, allowing you to build native mobile ap... Add solution -
Other 2021-08-29 14:50:02
android grid column
in res/values/dimens.xml: <integer name="grid_columns">1</integer> in res/values-w600dp/dimens.xml: <integer name="grid_columns">2</integer> in java: int gridColumns = getResources().getInteger(R.integer.gr... Add solution -
Java 2021-08-28 05:59:02
swap two variables in java in single line
// swap two variables in java in single line public class SwapTwoVariablesInOneLine { public static void main(String[] args) { int x = 23; int y = 75; System.out.println("Before swapping two numbers: x = " + x + " y ... Add solution -
Java 2021-08-28 03:33:01
can the method local inner class object access method local variables
/* First of all, your program compiles and works fine because you are using Java 8. If using Java 7 or lower, it won't even compile. The reason is exactly as you cited. But I will try to explain it a bit more. Consider the following code: */ public voi... Add solution -
Javascript 2021-08-27 19:01:02
what means ?? in dart
// The ?? double question mark operator means "if null" String a = b ?? 'hello'; // This means a equals b, but if b is null then a equals 'hello'. It is like || in JavaScript b ??= 'hello'; // If b is null then set it equal to 'hello'. Otherwis... Add solution