ES[7.6.x] learning notes IK Chinese word breaker

In the last section, we introduced the ES analyzer. I believe you have been impressed by the full-text search of ES. The analyzer consists of three parts: character filter, word breaker and word breaker. In the example in the previous section, we found that they are all examples of English, right? Because es is written by foreigners. If China w ...

Posted by sangoku on Thu, 07 May 2020 01:46:36 -0700

Shortest path: Dijstra algorithm

1. Background Full text according to Algorithms - Fourth Edition, Dijkstra (Dijkstra) algorithm, a single source shortest path algorithm.We abstract the problem into two steps: 1. Data structure abstraction 2. Implementation.They correspond to Chapter Two and Chapter Three respectively. 2. Algorithmic Analysis 2.1 Data Structure Vertex+E ...

Posted by robdavies on Wed, 06 May 2020 20:07:23 -0700

Sentiment analysis of twitter based on Python and NLTK

Author: Song Tongtong 1. Introduction nltk is a natural language processing module of python, which implements naive Bayes classification algorithm. This time, Mo will teach you how to classify tweets according to positive and negative emotions through Python and nltk modules. Within the project, there is a code tutorial that can be run, naive ...

Posted by Fly on Wed, 06 May 2020 03:57:51 -0700

Notes on sorting algorithm of algorithm competition

1: Bubble sort (O(n^2)) The number of each position in each group is compared with the number behind it. If the number in front is greater than the number in back, exchange the number, exchange n-1 group. Every time each group exchanges, they will put the largest row to the back, which is similar to the bubble slowly rising up in the bottom ...

Posted by Zomie on Wed, 06 May 2020 01:22:50 -0700

How to use the thrift service engine component

This article describes how to use thrift to call RPC remotely if thrift components are integrated into the surging micro-service engine, then dotnetty or thrift can be selected as the service or surging can be invoked through thrift in other languages. Here is a brief description of how to use thrift Dead work First need to Official Web Downl ...

Posted by DillyDong on Tue, 05 May 2020 20:02:48 -0700

Data analysis and visualization of scientific computing

1, The extended modules for data analysis, scientific computing and visualization are mainly: numpy, scipy, pandas, symphony, matplotlib, Traits, TraitsUI, Chaco, TVTK, Mayavi, VPython, OpenCV. 1.numpy module: scientific computing package, which supports N-dimensional array operation, large matrix processing, mature broadcast function library, ...

Posted by canobi on Tue, 05 May 2020 18:03:23 -0700

JQuery Getting Started+js Library File Sharing

data Links: https://pan.baidu.com/s/1aHUnfPcs1VJAas5zj5abQA Extraction code: b1hb Include the js library files needed for this section, as well as the api documentation for JQuery What JQuery jQuery is a fast and concise JavaScript framework, which is another excellent JavaScript code base (or JavaScript framework) after Prototype.jQuery was d ...

Posted by GirishR on Tue, 05 May 2020 12:58:12 -0700

The fastest Android TreeView appears!

The fastest Android TreeView appears! Source address: https://github.com/niugao/RecyclerListTreeView Based on RecyclerView. The structure of storing data is not a Tree, but an ArrayList. Unlike all the known implementations on the Internet, it seems that people can't jump out of fixed thinking. You can compare the am ...

Posted by daveoffy on Tue, 05 May 2020 07:40:35 -0700

python learning 3--python complex data types

1 piles A heap is a binary tree in which the value of each parent node is less than or equal to that of all its children, and the smallest element is always at the root of the binary tree. Heap creation import heapq import random data = range(10) random.shuffle(data) #Disorder order heap = [] for n in data: heapq.heappush(heap,n) print ...

Posted by Waire on Tue, 05 May 2020 02:21:30 -0700

Password modification verification of bootstrap validator plug-in

There should be many tutorials on the Internet. Of course, when I use them, I also paste the code directly on Baidu. But one thing is not perfect, that is, input "user new password" and "user confirm password" When it is not input, the "user's new password" will always prompt "the use ...

Posted by tcl4p on Tue, 05 May 2020 02:10:07 -0700