Lucene is a full-text search tool, which provides a complete set of APIs for creating, searching and indexing functions. We can call these APIs in the code to realize our search services.
Lucene implements index function based on inverted file index structure. So what is an i ...
Posted by pointsplat on Mon, 15 Jun 2020 01:13:25 -0700
https://docs.djangoproject.com/en/3.0/topics/class-based-views/generic-editing/ (official document of Django)
CBV is Class Based View, which is to build a view through class. Different from FBV(Function Based View), by using class inheritance and mixins, CBV has higher code ...
In the process of daily development, we often use the list structure. Many brothers started to write such statements directly: List < x x x > x = new ArrayList < > ();. But there are many ways to implement list, and LinkedList is a general way to implement list without thread safety. We unde ...
Posted by adrianTNT on Mon, 15 Jun 2020 00:19:33 -0700
2. Thought analysis
3. Methods used
4. Problem solving and optimization
164. Maximum spacing - LeetCode
Given an unordered array, find out the maximum difference between adjacent element ...
Posted by XxDeadmanxX on Sun, 14 Jun 2020 23:13:37 -0700
If the article is original, it cannot be reproduced without permission
Original blog address: https://blog.csdn.net/qq21497936
Original blogger blog navigation: https://blog.csdn.net/qq21497936/article/details/102478062
Blog address: https://blog.csdn.net/qq21497936/article/details/106755662
Dear readers, knowledge is infinite and manpower ...
Posted by jbardin on Sun, 14 Jun 2020 21:36:12 -0700
First of all, understand what is return. The purpose of regression is to predict the target value of another numerical data through several known data.
Suppose that the characteristic and the result satisfy the linear relation, that is to say, the independent variable of the formula is the known data x ...
Posted by smitho on Sun, 14 Jun 2020 00:58:52 -0700
Basic information of LAN transmission
1. What is Io?
⦁ blocking IO
⦁ non blocking IO
select specific usage
3. Realize the file transmission of multiplex LAN
matters needing attention
1. What is ...
Posted by steelerman99 on Sat, 13 Jun 2020 21:27:21 -0700
Qt3D is initiated by Nokia, and then improved by Digia and KDAB (the new version seems to be basically made by KDAB). It is a 3D image display and processing module based on OpenGL. Unfortunately, the data of Qt3D is relatively small, and with the version change, many online old Demo can' ...
Posted by Mattyspatty on Sat, 13 Jun 2020 18:10:30 -0700
Python has many libraries for image processing, such as pilot or OpenCV. Most of the time, it's useless to learn these image processing modules, but you don't know how to use them. Today, I've brought you some art skills to make your art come true. The circle of friends is full of praise. My girlfriend also praises you. How powerful ...
Posted by neutra on Fri, 12 Jun 2020 22:59:48 -0700
One of the most basic uses of computers is to perform mathematical operations. As a computer language, Java also provides a rich set of operators to manipulate variables. We can divide operators into the following groups:
Posted by jebster on Fri, 12 Jun 2020 22:50:59 -0700