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TypeScript 2022-02-07 01:15:16
contextual typing in typescript
Lets say you defined a call signature for any function. type greet = (name: string) => void Now, when you declare any function having this type, like this const sayHello: greet = (name) =>{ console.log("hello ", name); } you dont ne... Add solution -
Kotlin 2022-02-05 17:40:31
kotlin function literal
val add: (Int, Int) -> Int = { i, j -> i + j } // Simple lambda expression val printAndDouble: (Int) -> Int = { println(it) // When single parameter, we can reference it using `it` it * 2 // In lambda, last expression is returned } // Anonymou... Add solution -
Javascript 2021-11-19 05:08:23
is promise
// Promise is a special type of object that helps you work with asynchronous operations. // Many functions will return a promise to you in situations where the value cannot be retrieved immediately. const userCount = getUserCount(); console.log(userCount... Add solution -
Other 2021-10-26 16:26:14
A non-serializable value was detected in an action
try to Serialise the value using JSON.stringify( response); then pass to any function which ever you want top in simple word the expected output should be in the form of object but the output is not in object form in my case i used JSON.stringify(... Add solution -
Other 2021-10-20 08:23:11
save multiple models at once
You can save multiple models at once using the saveMany function: $post = Post::find(1); $post->comments()->saveMany([ new Comment(['message' => 'This a new comment']), new Comment(['message' => 'Me too!']), new Comment(['message'... Add solution -
Other 2021-10-05 17:32:04
test scenario
A TEST SCENARIO is defined as any functionality that can be tested. Make sure that end to end functionality of application under test is working as expected Test Scenario: Validate the login page Test Case 1: Enter a valid username and password Test Ca... Add solution