Tag: duration

Calculate time difference between records where the value changes KDB+/q

Advertisements I have a table like the below, with timestamps and values. show t:([]time:2022.10.10D12:30:00.100000000 2022.10.10D12:30:00.200000000 2022.10.10D12:30:00.300000000 2022.10.10D12:30:00.400000000 2022.10.10D12:30:00.500000000 2022.10.10D12:30:00.600000000;values: 1 1 1 2 2 3;duration: 300 200 100 200 100 0N) time values duration ——————————————— 2022.10.10D12:30:00.100000000 1 300 2022.10.10D12:30:00.200000000 1 200 2022.10.10D12:30:00.300000000 1 100 2022.10.10D12:30:00.400000000 2 200 2022.10.10D12:30:00.500000000 2 100 2022.10.10D12:30:00.600000000 3 The third column,… Read More Calculate time difference between records where the value changes KDB+/q

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GetX Throwing TypeError when try to build with Obx

Advertisements I have controller call MenuController class MenuController extends GetxController { var currentCategory = Rx<int>(0); @override void onReady() async { await Future.delayed(const Duration(milliseconds: 2000)); } void setMenuByIndex(int index) { currentCategory.value = index; } } And I’m trying to check selected index from simple Widget like this Obx(() => Text(controller.currentCategory.value.toString())) Getting controller like here final controller… Read More GetX Throwing TypeError when try to build with Obx

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How do I animate changes one at a time in SwiftUI on a button tap?

Advertisements I have a loop where I update a value that changes the view. In this example I want the updates to happen one at a time so you see it ripple across the row, but they all happen at once. struct AnimationQuestion: View { @State var colors = "🟪🟨🟧🟦🟥🟫⬛️🟩⬜️".map { String($0) } @State var… Read More How do I animate changes one at a time in SwiftUI on a button tap?

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unsupported operand type(s) for -: 'DateField' and 'DateField'

Advertisements I am working on creating a contract model with Django and I came cross on how to get the time duration from the start_date to the end_date?? class Contract(models.Model): name = models.CharField(max_length=100) price = models.IntegerField(max_length=10) start_date = models.DateField(auto_now_add=True) end_date = models.DateField(auto_now_add=True) duration = models.IntegerField(end_date – start_date) # how get the duration by hours created_at… Read More unsupported operand type(s) for -: 'DateField' and 'DateField'

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React JW player how to get current duration of video?

Advertisements I am using React JW player. My component <ReactJWPlayer playerId="id" playerScript="https://content.jwplatform.com/libraries/xxxx.js&quot; playlist={{"My JSON"}} /> This is working well. I need to get the current duration of the playing video. How can I do that in reactjs? >Solution : You can access "raw" JW player by doing <ReactJWPlayer playerId="id" … let playerInstance = window.jwplayer(‘id’); To… Read More React JW player how to get current duration of video?

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Why when fading out list of materials each material fade out in another time and not all the materials fade at the same time?

Advertisements using System.Collections; using System.Collections.Generic; using System.Linq; using UnityEngine; public class FadeInOut : MonoBehaviour { List<Material> mats = new List<Material>(); private void Start() { foreach (Transform g in transform.GetComponentsInChildren<Transform>()) { if (g.GetComponent<SkinnedMeshRenderer>() != null) { var l = g.GetComponent<SkinnedMeshRenderer>().sharedMaterials.ToList(); foreach(Material mat in l) { mats.Add(mat); } } } } private void Update() { if(Input.GetKeyDown(KeyCode.G)) {… Read More Why when fading out list of materials each material fade out in another time and not all the materials fade at the same time?

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