Constructions of E and Isomorphism of Complementary Maps in the Multi-school Training Camp of Niuke in Summer of 2019 (Game 6)

https://ac.nowcoder.com/acm/contest/886#question Question: Whether there exists an undirected graph G with n vertices is the isomorphism of its complement graph H, if there exists an adjacency matrix of output G and the mapping of H with respect to G. Analytical and constructive questions, the answer is not unique. The original graph has the ...

Posted on Thu, 10 Oct 2019 11:30:23 -0700 by kirtan007

Shell Programming Loop Statement

This article is mainly about the use of shell script loop statements. for loop Designated number of times #!/bin/bash for ((i=1;i<=10;i++)) do echo $i done [root@localhost ~]# vim num.sh [root@localhost ~]# chmod +x num.sh [root@localhost ~]# ./num.sh 1 2 3 4 5 6 7 8 9 10 Ergodic cycle #!/bin/bash TMP=$(cat username.txt) for USER in $T ...

Posted on Wed, 09 Oct 2019 16:10:41 -0700 by Okami

Mysql Zone Actual Warfare

First, what is database partitioning Recently I wrote an article about MySQL table partitioning. Now let's talk about what database partitioning is. Take MySQL as an example. The data in MySQL database is stored on disk in the form of files. By default, it is placed under / mysql/data (which can be viewed by datadir in my.cnf). A table mainly c ...

Posted on Fri, 06 Sep 2019 01:19:40 -0700 by clicket

C++ STL Standard Template Library--set/multiset Concept and Simple Use

2019/8/19 Weather: Cloudy Basic concepts of set/multiset container Basic Concepts of set Containers Set feature: All elements are automatically sorted according to their key values. Set elements do not have both real and key values as map does. S ...

Posted on Mon, 19 Aug 2019 03:32:21 -0700 by freakuency

Deep Understanding of Promise-Promise's Characteristics and Methods

What is promise? Promise, which means to promise you a result after a period of time (usually an asynchronous operation), is a solution to asynchronous programming. Grammatically speaking, native Promise is an object from which messages for asynchronous operations can be obtained. Characteristics of promise The state of the object is not affect ...

Posted on Thu, 15 Aug 2019 03:14:32 -0700 by koldstar

Android Decompiled Smil

1. Smli data types 1. Dalvik byte code In Davlik byte codes, registers are 32-bit and can support any type. 64-bit types (Long/Double) are represented by two consecutive registers. There are two types of Dalvik byte codes: the original type; the reference type (including objects and arrays) Original type: v. void can only b ...

Posted on Thu, 13 Jun 2019 09:24:24 -0700 by kodstationen

jQuery's attributes, events and operations

1. Attribute operations 1.1 Basic Attribute Operations $("img").attr("src") returns the SRC attribute values of all images in the document $("img").attr("src","test.jpg") sets the SRC attribute values for all images in the document $("img").removeAttr("src") deletes the SRC ...

Posted on Mon, 03 Jun 2019 19:15:53 -0700 by vtb

Summary of IO Flow

- - - - - - - - - - - - - - - Written in front - - - - - - - - - - - - - - - 1. concept IO stream is used to process data transmission between devices Java operates on data through streaming Java classes for operation flow are in the IO package Flow is divided into two kinds according to flow direction: input f ...

Posted on Sun, 12 May 2019 01:38:39 -0700 by aleX_hill

On the Corresponding Relation between the Number of Con and loc Output Channels and priorbox Generation in RefineDet

First, you need to understand the relationship between the number of conf and loc output channels and priorbox generation in the original SSD. For further information, please check the blogger's two posts: https://blog.csdn.net/xunan003/article/details/79249056 https://blog.csdn.net/xunan003/article/details/79186162 Unlike S ...

Posted on Sat, 27 Apr 2019 14:18:35 -0700 by wpsd2006

MySQL partition and traditional database sub-table

Traditional sub-database and sub-table Traditional sub-database and sub-table are realized by application-level logic. For database level, they are common tables and libraries. sub-treasury Reasons for subpooling Firstly, when the performance of a single database server is sufficient, the sub-database has no effect on the per ...

Posted on Tue, 26 Mar 2019 14:03:28 -0700 by The Merg