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Three data table de duplication methods of MSSQL SQL Server

Abstract: Three different data De duplication methods will be shared belowData De duplication: it needs to be defined according to a certain field. Wh...
1:35 2 December 2019

[summary] Zhu Liu algorithm of minimum tree graph

Preface I found that I didn't write a blog when I was reviewing... To fill in one.. Minimum Arborescence It is the minimum spanning tree of digr...
1:29 2 December 2019

Mysql- high availability cluster [master-slave single mode -binlog]

Operation process: Install mysql service respectively in master and slave nodes Set common mysql configurations in master and slave nodes1. Add admin...
1:29 2 December 2019

Implementation of mac osx mosaic

Realization principle Reference resources The implementation of mosaic with variable position of iOS finger Implement mac osx version Image mosaic im...
1:22 2 December 2019

Views and templates for ThinkPHP

In short, a controller corresponds to a view, and a method corresponds to a template. Let's go to the figure above. 2. Assign value to template A...
1:13 2 December 2019

JavaScript essence advanced OOP object oriented programming

Reprint please indicate the source Original connection http://blog.huanghanlian.com/article/5b698f22b8ea642ea9213f51 How do we simulate overloading? ...
1:13 2 December 2019

Detailed Aspects Framework for iOS

We must ask ourselves such tasks: first, to learn, second to learn, and third to learn.- Lenin Today I watched a live Aspects sharing, so I want to wr...
0:58 2 December 2019

[Angular] component communication in Angula6

Angula6? Component communication This paper mainly introduces component communication in Angular6 I. parent child component communication 1.1 parent c...
0:55 2 December 2019

Node connects MySQL and encapsulates its addition, deletion, query and modification

Node connects to mysql In this note, the connection between node and mysql will be introduced, and the encapsulated code will be shared, which can be ...
0:29 2 December 2019

Python automatic operation and maintenance development -- Basic slice Application & & list function

1. Slice application (1) copy list: what's the difference between directly assigning a new list and slicing a new list? Use the method of assign...
0:22 2 December 2019

Configuration of navigation bar path (breadcrumb) based on iView UI

cause The back office management systems of the previous company are all brush out, which have not written the back office management system for a lon...
0:19 2 December 2019

Kubernetes - profile directory structure

The configuration directories for Kubernetes include / etc/kubernetes, / home/supermap/.kube, and / var/lib/kubelet. Let's take a look at what fi...
0:15 2 December 2019

The same and different points of SELECT and SET assignment in SQL SERVER

SELECT and SET can be used to assign values to variables in SQL SERVER, but their usage and effect are different in some details. 1. In terms of varia...
0:12 2 December 2019

python learning notes -- Liao Xuefeng (17, list generation)

The generated form used to create the list. To generate list [1, 2, 3, 4, 5, 6, 7, 8, 9, 10], you can use list(range(1, 11)): note 11 >>> li...
0:08 2 December 2019

New features of Java 8 lambda expression

A functional interface is an interface that explicitly declares only one abstract method. To ensure that the number of methods is small, java8 provid...
18:52 30 November 2019

Convert from BitArray to Byte

I have an eight BitArray , I need a function to convert it to a byte. How do you do it? Specifically, I need a correct ConvertToByte function: BitArr...
18:12 30 November 2019

Several sort implementations for data structure - Quick sort, Bubble sort, Insert sort directly, Select sort directly, Heap sort

1. Insert Sort Directly Select one value to be sorted at a time to insert into the existing sorting sequence; (4,2,6,5,1,8) For an example of increme...
16:20 30 November 2019

X264 application engineering

In the next few blogs, learn the implementation process of X264. The analysis of source code refers to Raytheon's blog, thank you Raytheon! Blog ...
10:03 30 November 2019

PCL uses RANSAC to fit segmentation plane by itself

Using PCL segmentation algorithm pcl::SACSegmentation<pcl::PointXYZ> seg; , do not use the normal parameters, only get the segmentation patch ac...
16:31 29 November 2019

Fifth populate of mongoose series

Effect Mongoose's populate() can join tables to query, referencing documents in other collections. Populate() automatically replaces the specifie...
2:21 29 November 2019

Java Self-Study-Collection Framework Binary Tree

Java Collection Framework Binary Tree Example 1: Binary tree concept A binary tree consists of nodes Binary Tree Features: Each node can have left and...
20:42 28 November 2019

The use of Web view developed by Flutter and the custom processing of its hyperlink

Preface: The Flutter project needs to use WebView to load web pages. Here I use the plugins of Flutter and inappbrowser to load web pages inside the A...
11:12 27 November 2019

The gin of golang network framework

golang native http library can easily implement an http server, but for complex web services, such as routing analysis, request parameter analysis, ob...
8:23 27 November 2019

H 3C simulator DHCP Snooping, relay instance configuration

1.DHCP instance configuration ## Configuration steps (configure on router) ### (1) # Configure the IP address of the interface. <H3C> system-vi...
16:48 26 November 2019

024. Master Pod-Deployment MongoDB

1. Pre-preparation 1.1 Preconditions Cluster deployment: Kubernetes cluster deployment reference 003-019. glusterfs-Kubernetes Deployment: Refer to Gl...
22:42 24 November 2019

FPGA Foundation (verilog language) - syntax

Introduction to verilog verilog is a language with syntax similar to c, but it is different from c, for example: 1.verilog language is parallel, each ...
13:49 24 November 2019

ARM assembler for ARM learning

ARM assembly language program structure In ARM (Thumb) assembly language program, the code is organized by program segments. Segments can be divided ...
9:55 18 November 2019

How to use super easy refreshlayout

Super easy refresh layout is a powerful and easy-to-use pull-down refresh control. It is implemented by referring to the principle of swipe refresh l...
14:05 13 November 2019

[Express learning notes-1] quick start

I. Basic Concepts Express is a simple and flexible node.js Web application framework, which provides a series of powerful features to help you create ...
2:45 12 November 2019

SpringBoot configures HTTPS and implements automatic HTTPS access to HTTPS

nginx is recommended for configuring https No further replies will be given to any questions raised in this article. Here's why I wrote this art...
20:07 10 November 2019