We know that it is very simple to freeze the left column in WPF. Microsoft provides us with the FrozenColumnCount attribute. Its value represents how many columns you want to freeze from left to right, as shown in the following figure: But this is often not what we want. We are used to freezing the […]
Tag: freeze
Use exceljs to export luckysheet tables (merge, border, row height, column width, freeze, column hiding, filtering, picture)
Use exceljs. Documentation: https://github.com/exceljs/exceljs/blob/HEAD/README_zh.md Reference: Use exceljs to export luckysheet table_excel to luckysheet_lishy97’s blog-CSDN blog There are some problems, welcome to communicate function exportExcelFront(luckysheet, name, excelType) { // 1. Create a workbook and add properties to the workbook const workbook = new ExcelJS.Workbook() // 2. Create a table. The second parameter can configure what kind […]
How to detect UI freezes? (online and offline)
What is UI lag? In the Android system, we know that the UI thread is responsible for the layout and rendering of all our views. During the UI update, if the execution time of the UI thread exceeds 16ms, frame loss will occur, and a large number of frame loss will cause card pause, affecting […]
Develop a DingTalk temperature alarm robot to keep the freezer at a safe temperature! ?
Hello everyone! I’m a hotel editor and I’m having trouble dealing with freezer temperature issues. There have been situations where food spoiled due to equipment problems or unexpected power outages, which caused considerable economic losses to the hotel. In order to solve this problem, I developed a temperature alarm robot based on ESP8266 and DingTalk […]
How to solve the problem of large data scrolling page freeze
The address of the original collection is as follows, friends in need can pay attention Address of this article Collection address Foreword Before, I encountered all the data directly without paging, and the front-end scrolled to view the data, and the page would freeze. Of course, this has something to do with the performance of […]
Operation guide for mobile phone fixed screen freeze problem
Lifelong learning with youLearning, here is the programmer Android Classic good article recommendation, by reading this article, you will gain the following knowledge points: 1. Requirements for grabbing Logs for fixed screen crashes2. What to do after reproducing the fixed screen crash problem3. How to check whether adb can be connected4. Connect to adb to […]
How to solve the problem of large data scrolling page freeze
Foreword Before, I encountered all the data directly without paging, and the front-end scrolled to view the data, and the page would freeze. Of course, this has something to do with the performance of the computer browser. But the root cause is that too much data is rendered at one time, so I think of […]
Principle and comparison of Android application freeze monitoring scheme
0 Introduction To monitor whether the application interface is stuck, you need to understand the rendering mechanism of the main thread of the Android application: The Android system provides a stable frame rate output mechanism, so that the software layer and the hardware layer can work together at a common frequency, so that we can […]
Principle and comparison of Android application freeze monitoring scheme
0 Introduction To monitor whether the application interface is stuck, you need to understand the rendering mechanism of the main thread of the Android application: The Android system provides a stable frame rate output mechanism, so that the software layer and the hardware layer can work together at a common frequency, so that we can […]
APP performance test – freeze, fluency test
First, understand the meaning of a few abbreviations: fps: The number of frames drawn to the screen in one second (usually 60hz mobile phone 1s is 60 frames, and the current high-end machine is basically 120hz) jank: the number of jams bigJank: the number of serious jams stutter: Stutter rate = Stutter duration/total duration lostFrame: […]