install selenium,chrome,ChromeDriver on Aliyun CentOS ECS

install selenium yum install selenium2. install chrome  yum install epel-release yum install

Android Context Analysis

  • Adamin90
  • 2022-05-05 12:09:45
  • Android
Android Context 分析继承结构类图:ContextWrapper是上下文的包装类,ContextImpl是上下文的实现类,Activity是ContextThemeWrapper的直接子类。getApplicationContext都做了什么  翻看ContextWrapper源码:public class ContextWrapper&nbs

UML class diagram-UML类图

    The UML diagram is a graphical notation used to construct and visualize object oriented systems. A class diagram in the Unified Modeling Language is a type of static structure

SOLID principles of Object-Oriented Design-面向对象设计的SOLID五大准则


Redmi Note 9 5g(M2007J22C)刷TWRP,Magisk,LSPosed

## step 1 解锁手机  - [小米官方解锁工具及教程]( step 2 刷Android10官方rom(可选)   如果MIUI版本是12.5.1(Android 11),可以选择降低到V12.5.8.0.RJECNXM(Android 10),我在Android 11上用

Quicksort Algorithm Using Lomuto partition Scheme-Lomuo分割方案的快速排序算法

 QuickSort is another algorithm form Divide and Conquer category.It operates by breaking down large problems into smaller,more easily solvable problems.快速排序是分治算法分类中的另一种算法,它通过把大问题拆分成更小,更容易解决的问题操作。

Merge Sort Algorithm-归并排序

Merge Sort belongs to the category of Divide and Conquer algorithms.These algorithms operate by breaking down large problems into smaller,more easily solvable problems.  归并排序属于分治算法分类,这些算法通过把大的问题拆

Insertion Sort Algorithm-插入排序算法

Insertion Sort is a simple sorting algorithm that works the waywe sort playing cards in our hands.We sort the first two cards and thenplace the third card in the appropriate position within the first

Selection Sort Algorithm-选择排序算法

    Selection Sort is a simple sorting algorithm that find the smallestelement in the array and swaps it with the element in the first position,then find the second smallest elemen

Bubble Sort Algorithm-冒泡排序

    Bubble sort is an algorithm that is used to sort a list of elements,for exampleelements in an array. This algorithm compares two adjacent elements and then swapsthem if they ar
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