11- webpack automatically cleans up the dist directory

Because every time the build command is executed, webpack generates files in the dist directory, which leads to a rather messy directory folder. Generally, it is recommended to clean up the dist directory before each build, so only the files used will be generated. adoptclean-webpack-plugin The plug-in ...

Posted on Sat, 19 Oct 2019 12:48:03 -0700 by lucifer27

JavaScript Basics_Fundamentals Part 2_A simple calendar

The calendar frame below is from Active learning: A simple calendar All right. The main task is to use the if...else statement to display the corresponding days of each month in the calendar book. The relevant code has been given. We just need to add the missing code under / / ADD CONDITIONAL HERE. Click the "Reset" button above t ...

Posted on Fri, 18 Oct 2019 09:40:08 -0700 by hhstables

cookie tool function encapsulation

cookie utility functions let CookieUtil = { get: function (name){ let cookieName = encodeURIComponent(name) + "=", cookieStart = document.cookie.indexOf(cookieName), cookieValue = null; if (cookieStart > -1){ let cookieEnd = document.cookie.indexOf(";", cookieStart); if (coo ...

Posted on Thu, 17 Oct 2019 21:04:32 -0700 by samadams83

HNOI2008 Mingming's troubles

In fact, it's hard to understand prufer. First of all, we know that there are at most n-2 points in the prufer sequence, and the number of other points that know the degree is di-1. We define the number of remaining points in the prufer sequence sum=n-2 - ∑ (di-1). I n this way, we can approximate the number of times that we have known all ...

Posted on Thu, 17 Oct 2019 13:29:13 -0700 by callesson

Dynamic SQL statement in mybatis

Sometimes, static SQL statements do not meet the needs of the application. We can build SQL statements dynamically according to some conditions. For example, in a Web application, there may be some search interfaces that require you to enter one or more options and then perform a search operation based on these selected criteria. We may need t ...

Posted on Tue, 15 Oct 2019 19:55:10 -0700 by Darkpower

POJ1990 -- MooFest (converted into a tree array)

Title: If V is v1,v2, x is X1 and x2, then the value between them is ABS (x1-x2)* Max (v1, v2), and the sum of values between all n*(n-1)/2 pairs of cattle is calculated. Train of thought: After reading https://blog.csdn.net/bestsort/article/details/80853221, it's nice to have a picture. It's clear ...

Posted on Fri, 11 Oct 2019 10:28:20 -0700 by JPark

P1678 Annoyed College Entrance Examination Volunteers

P1678 Question Bank Links: https://www.luogu.org/problem/P1678 Difficulty: Popularization- Algorithmic tags: simulation, greed, sorting, binary search 1. Naive simulated O(m*n) score 30 First, the admission scores of m schools are sorted, and then the scores of each examinee are used to find the first university in turn (if the admission sc ...

Posted on Thu, 10 Oct 2019 13:38:36 -0700 by Solar

HSV-based background matting demo (opencv)

  Design sketch:   introduce This is a simple rough matting demo, based on HSV matting. Suitable for similar background color. But because it's demo, it's rough. In the process of writing, I read a lot of blogs, so a lot of content is learned from Daniel's blog. If there are similar codes ...

Posted on Thu, 10 Oct 2019 00:28:35 -0700 by Bottyz

Elastic Search Actual Warfare Series III: Elastic Search's JAVA API Use Tutorial

Preface It was introduced in the last article. Elastic Search Actual Warfare Series II: Elastic Search DSL Statement Use Tutorial - Illustration This article explains the use of Elastic Search 6.x's official Java API. ElasticSearch JAVA API At present, there are several common Elastic Search Java API packages on the market, such as JestClient, ...

Posted on Wed, 09 Oct 2019 18:52:19 -0700 by mjohnson025

Introduction to Network Programming 05

In recent days, because of the working requirements, I have learned multi-threading programming and written a small tool with thread pool. For the callback of network library, multi-threading understanding has deepened a layer of understanding. It is also important to understand these small components by understanding multithreading. Interrupte ...

Posted on Wed, 09 Oct 2019 16:38:47 -0700 by tefflox