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Several kinds of sorting methods are often used in the work, and they are sorted out and shared for everyone in case of emergency. 1. array sort function Use the sort method of Array. var arr = [2, 8, 5, 0, 5, 2, 6, 7, 2] arr.sort((a,b) => { return a - b }) console.log(arr) // Results: [0, 2, 2, 2, 5, 5, 6, 7, 8] 2. Bubble sorting Compa ...

python calls itself "Batteries included" because it provides many built-in modules that can be used without installation and configuration This chapter mainly introduces some common built-in core modules of python Common core modules of Python 1, collections module This is a useful container module, which provides many useful collecti ...

Preface In the previous article, I briefly introduced Linq's entry-level usage. This article tries to explain some more in-depth usage methods. Unlike the previous article, I will first introduce the support methods in Linq, and then write them in the form of method chain and SQL like, guided by the actual requirements. Introduction to pre conc ...

Deconstruction assignment in ES6 According to the deconstruction of the original value, a part of the original value is quickly obtained (quickly assigned to a variable) Deconstruction and assignment of arrays Deconstruction assignment itself is the syntax specification of ES6. It doesn't matter what keywords ...

Description In this paper, we give a whole permutation of 1 to n. now we sort the whole permutation sequence m times locally. The sorting can be divided into two types: 1:(0,l,r) is to sort the numbers in the interval [l,r] in ascending order; 2:(1,l,r) is to sort the numbers in the interval [l,r] in descending order, and fina ...

First, let's look at the effect picture of the implementation: The code is also very simple Each Tab in the BottomNavigationMenuView is a FrameLayout, so we can add views on it at will, so we can also implement our corner sign. //Get the entire NavigationView BottomNavigationMenuView menuView = (BottomNavigationMenuV ...

The buffer pool size 393215 this is a page, not a byte. To see the buffer pool size in GB, run the following command: SELECT FORMAT(BufferPoolPages*PageSize/POWER(1024,3),2) BufferPoolDataGB FROM (SELECT variable_value BufferPoolPages FROM information_schema.global_status WHERE variable_name = 'Innodb_buffer_pool_pages_tota ...

Get ready First, refer to the previous article to configure CAS and RESTFUL. Refer to: http://blog.csdn.net/happyteafriends/article/details/7450120   The scenario is as follows, CAS address: http://10.1.81.223:8080/cas-server-webapp Two WEB application addresses: http://10.1.81.223:8080/webapp2 http://10.1.81.223:8080/webapp1   Objectiv ...

From: https://blog.csdn.net/wsdaijianjun/article/details/74735039 <span style="font-size:18px;">    /**       * RecyclerView can perform several optimizations if it can know in advance that RecyclerView's       * size is not affected by the adapter contents. RecyclerView can still change its size based       * on oth ...

I. Preface VS2017 has been installed since this year. Sometimes script compilation is needed. However, MS no longer supports VS2015's "VS140comtools% vsvars32. Bat" in Script Compilation on VS2017. I am really satisfied. No way, I can always use devenv, so I wrote a program to get the latest version of VS. There are many online moves, ...