Algorithm and data structure [C + +]: jump list

The common linked list has a serious defect: when looking for an object, you need to traverse the entire linked list until the element is found or the entire linked list is not found after traversing. The time complexity is very high. In order to solve this problem, we can use jump list. Characteri ...

Posted on Sun, 26 Jan 2020 04:16:00 -0500 by toma42

I learned ssm+maven at home during winter vacation

Just because of the recent severe pneumonia infection, there is no need to go out. I originally wanted to learn springboot directly, but a friend said it would be more comfortable to know SSM first and then learn springboot.Here's a summary of some of the ssm+maven things I've learned over this period o ...

Posted on Sun, 26 Jan 2020 03:56:10 -0500 by wonderman

Algorithm and data structure [Java]: jump list

The common linked list has a serious defect: when looking for an object, you need to traverse the entire linked list until the element is found or the entire linked list is not found after traversing. The time complexity is very high. In order to solve this problem, we can use jump list. Characteri ...

Posted on Sun, 26 Jan 2020 03:53:19 -0500 by alexjb

Add image magnification to BlueLake theme

fancyBox is a popular media display enhancement component, which can easily add image amplification, album browsing, video pop-up layer playing and other effects for the website. The advantages include simple use, high customization support, touch screen and responsive mobile terminal features. In a word, the use experience is quite good. Now, ...

Posted on Sun, 26 Jan 2020 03:51:57 -0500 by ki

java -- Set - 3 (generic)

Chapter three: generics 3.1 generic overview In the previous study of collection, we all know that any Object can be stored in the collection. As long as the objects are stored in the collection, they will be promoted to Object type. When we are taking out every Object and doing the corresponding op ...

Posted on Sun, 26 Jan 2020 03:51:29 -0500 by akano

CRUD operation implemented by DBUtils

Introduction to Apache dbutils Commons dbutils is an open source JDBC tool class library provided by Apache organization. It is a simple encapsulation of JDBC, which helps us simplify CRUD The code. The main API, such as QueryRunner class, simplifies the SQL query. It can complete most of the databas ...

Posted on Sun, 26 Jan 2020 03:41:46 -0500 by CiPH

MyBatis - Environment Setup and Simple SQL Mapping

Database table structure: 1. Environmental Construction 1. Import the jar package. 2. Write two profiles.One is a global mybatis configuration file that specifies which database to connect to.The other is an implementation class equivalent to the interface, and the second configuration file needs to b ...

Posted on Sun, 26 Jan 2020 01:31:06 -0500 by stevefriedman71

Python 3 Natural Language Processing-Language Processing and Python

Python 3 Natural Language Processing-Language Processing and Python Note: Please contact the blogger or pay attention to the WeChat public number "Citation Space" and apply for the reprint in the background, waiting for a reply.Otherwise, plagiarism will be reported! Python Natural Language ...

Posted on Sun, 26 Jan 2020 01:07:50 -0500 by ruppelm

[python data analysis] Deep revelation of domestic debris - what theme has the most movie debris?

Requirement: (1) Select the subject matter of different movies according to the category field (2) Organize the data, summarize according to the theme, view the proportion of rotten pieces of different topics, and select TOP20. (3) Make scatter plot with the obtained theme rot proportion TOP20_The hor ...

Posted on Sat, 25 Jan 2020 23:08:28 -0500 by wjwolf79

P6012 [Template] Segment Tree Splitting

(Because there is no certification, this question is based on Froggy Upload) Segment tree splitting really doesn't use many places, and there wasn't this template problem on luogu before, so we came up with one that really couldn't think of a template, so this problem might be solved with other algorith ...

Posted on Sat, 25 Jan 2020 19:45:53 -0500 by cooler75