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Freemaker generates word templates 1, Introduce dependency <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>2.3.28</version> </dependency> 2, Tool class Note: for the attribute of Configuration configuration, in some cases, the file grammar wil ...

preface The linked list structure should be clear to everyone. LinkedList is implemented based on two-way linked list. The previous article briefly analyzed ArrayList, which is implemented based on array; This article will make a simple analysis of LinkedList. As long as you understand the structure of the linked list, the source code lo ...

brief introduction When using a list or dictionary to pass parameters, you may encounter that the function changes the value of the list, but you don't want to remember the value in the original list. Therefore, python provides a copy module, which includes copy() and deepcopy(). As the name suggests, copy() refers to shallow copy and deep ...

Generally, the form page needs to fill in the mobile phone number. To verify whether the mobile phone number entered by the user is correct, we need to use the regular expression to match the mobile phone number segment. If it is in the operator number segment, the number is correct. Therefore, it is necessary to know the latest segment number ...

Author: Han Xinzi@ShowMeAI Tutorial address: http://www.showmeai.tech/tutorials/56 Article address: http://www.showmeai.tech/article-detail/77 Notice: All Rights Reserved. Please contact the platform and the author for reprint and indicate the source 1.Python list Sequence is the most basic and common data structure in Python. Each elemen ...

On the live broadcast mall platform, the images show the relevant codes in the form of side-by-side Halcon code read_image (Image, 'claudia') //Read image concat_obj (Image, Image, Images) //Connect two iconic object tuples tile_images (Images, TiledImage1, 1, 'vertical') //Tile multiple image objects into a la ...

Functional programming Function is a kind of encapsulation supported by Python built-in. We can decompose complex tasks into simple tasks by disassembling large pieces of code into functions and calling functions layer by layer. This decomposition can be called process oriented programming. Function is the basic unit of process oriented pr ...

Eight methods of List collection object de duplication and attribute de duplication - Fage talk Java - blog Garden 1, Outline of this paper In this article, I want to write about eight methods of de duplication of List set elements. In fact, through flexible application, arrangement and combination, there are not necessarily eight, but there ...

preface Previously, we learned several basic data types: string, integer and floating point, Now we learn two types of tuple and tuple. 1, List 1. What is a List List is a data type built into Python. It is an ordered collection, in which the elements can be added and deleted at any time Plain. So why List? Let's use an example to illust ...

1, Operator 1.1 + -- addition of two objects +Operator is used to add two objects. [example 1] number addition. In Python, we often use + to add values. Common applications are as follows: a = 13 b = 2 c = 4.0 d = 5.0 print(a + b) # Add integers 15 print(c + d) # Floating point number addition 9.0 print(a + c) # Add integer and float ...