carolinemusyoka

//Solves the problem in O(n) time complexity
class Solution {
    fun twoSum(nums: IntArray, target: Int): IntArray {
        //initialize an empty HashMap
        val map = hashMapOf<Int, Int>()
        //and for every element in the array, if it exists in the Map, 
        //check if its complement exists a in the Map or not. If the complement exists then return the indices 
        //of the current element and the complement.
        //Otherwise, put the element in the Map, and move to the next iteration.
        for(i in 0..nums.size - 1){

carolinemusyoka

/**
 * Example:
 * var li = ListNode(5)
 * var v = li.`val`
 * Definition for singly-linked list.
 * class ListNode(var `val`: Int) {
 *     var next: ListNode? = null
 * }
 */
class Solution {

carolinemusyoka

//Finding the length of the longest substring without repeating characters
//Solution
// Iterate through an array, evaluating if new substring should be the max substring
//Time complexity is O(n)..since we're iterating through an array once
//Space complexity is constant
class Solution {
   fun lengthOfLongestSubstring(str: String): Int{
        val map: HashMap<Char, Int> = hashMapOf()
        var max = 0
     // last repeat of any character

carolinemusyoka

class Solution {
   fun findMedianSortedArrays(nums1: IntArray, nums2: IntArray): Double {
    // Check if num1 is smaller than num2
    // If not, then we will swap num1 with num2
    if (nums1.size > nums2.size) {
        return findMedianSortedArrays(nums2, nums1)
    }
    // Lengths of two arrays
    val m = nums1.size
    val n = nums2.size

carolinemusyoka

class Solution {
    fun reverse(x: Int): Int {
        var res = 0
        var n = x
        while (n != 0) {
            if (Math.abs(res) > Int.MAX_VALUE/10) return 0

            res = res*10 + n % 10
            n /= 10
        }

carolinemusyoka

val builder = LatLngBounds.Builder()
        val locBounds = LatLngBounds(LatLng(53.394655, 10.09989), LatLng(53.694865, 9.75758))
        builder.include(locBounds.southwest)
        builder.include(locBounds.northeast)
        googleMap.animateCamera(CameraUpdateFactory.newLatLngBounds(builder.build(), 100))

carolinemusyoka

val regionId = MutableLiveData<Int>()

fun setRegionId(id: Int){
        regionId.value = id
    }
    

carolinemusyoka

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
    <gradient
        android:type="linear"
        android:angle="45"
        android:startColor="@color/green"
        android:centerColor="@color/white"
        android:endColor="@color/orange" />
</shape>

carolinemusyoka

 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
                val parsedDate = LocalDateTime.parse(item.created_at, DateTimeFormatter.ISO_DATE_TIME)
                 val formattedDate = parsedDate.format(DateTimeFormatter.ofPattern("dd.MM.yyyy    |    HH:mm"))
                 textCreatedTime.text = formattedDate
            } else {
                 val parser =  SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss")
                 val formatter = SimpleDateFormat("dd.MM.yyyy   |    HH:mm")
                 val formattedDate = formatter.format(parser.parse(item.created_at)!!)
                 textCreatedTime.text = formattedDate
            }

carolinemusyoka

// 1. The Interface

// --> Two ways to do it,

```
  @Multipart
    @POST("the_endpoint")
    suspend fun postImage(
        @Part profile_photo: MultipartBody.Part,
        @Part ("profile_photo") requestBody: RequestBody