Python implementation of thousand image imaging: from image crawling to image synthesis

Thousand picture imaging: use N pictures to make a picture. Implementation principle: first, the image to be imaged is transformed into mosaic image, and then the corresponding color block is replaced by the corresponding color image from the gallery. Image processing in the Gallery: mark the mixed color of each picture in the gallery to replac ...

Posted on Tue, 19 May 2020 06:11:24 -0400 by fimbria

PHP implementation of data structure and algorithm queue and stack

1, Queues 1) Queue is a first in first out (FIFO) linear table. It only allows deletion at the front end of the table and insertion at the back end of the table. The end of the insertion is called the end of the queue, and the end of the deletion is called the head of the queue. That is to say, the team can only enter from the end of the team, ...

Posted on Tue, 19 May 2020 04:14:52 -0400 by mgmoses

Spring Boot uses JSR303 to implement parameter validation

The article begins with the official account of "Guo Guo Guo". Address: http://blog.itwolfed.com/blog/97 brief introduction JSR-303 is a sub specification of JAVA EE 6, called Bean Validation. At any time, when you want to deal with the business logic of an application, data validation is something you must consider and face. The ap ...

Posted on Mon, 18 May 2020 23:42:45 -0400 by TobesC

Back end development: spring boot implements registration and login functions

This implementation of the registration and login function requires the basic operation of the database, and is the front and back-end separation development. Generally speaking, it is to design the database first, then write the API interface of the server according to the database, then come to the client or the mobile terminal to design the ...

Posted on Mon, 18 May 2020 21:08:01 -0400 by shlumph

Junior sister learning java IO: File copy and File filter

brief introduction For a linux command thing, my younger martial sister has to ask me to teach her how to use java to realize it. Alas, I feel powerless to stand such a good younger martial sister. It's really hard to be a elder martial brother. Using java to copy files Today, my younger martial sister found me: elder martial brother F, can yo ...

Posted on Mon, 18 May 2020 19:53:45 -0400 by MnilinM

Three steps of service end butt nail

Three steps of service end butt nail Step 1: obtain the appkey and appsecret for business docking Log in the developer background, click "application development" - "enterprise internal application" - "find the application and click the application icon" - "view details", you can view the AppKey and App ...

Posted on Mon, 18 May 2020 11:44:14 -0400 by phreud

[Oracle] about database character coding modification

String encoding is not uniform, which will lead to import exceptions, display garbled code and other problems. Here is the solution 1. Query oracle server character code select userenv('language') from dual ; select * from V$NLS_PARAMETERS; select * from sys.nls_database_parameters; 2. Query oracle client character encoding select * from sys ...

Posted on Mon, 18 May 2020 10:54:23 -0400 by curb

Unity3D Development -- Hikvision camera SDK integration

In recent days, I have sorted out the development projects in the office computer, deleted some test projects, and found that some of the test Demo that I have done before can still be used.Code engineering upload to link: https://pan.baidu.com/s/13-rTaeVLtcX0KzHy2RT5Ow Extraction code: g0u2The SDK of Hikvision that I use here is relatively o ...

Posted on Mon, 18 May 2020 06:29:13 -0400 by siefkencp

Python's elegant writing method makes you get twice the result with half the effort

Elegant writing of Python Python's design philosophy is "elegant", "clear", "simple". That's probably why many people choose python. Here are some authentic Python dialects to make your code more elegant and concise. Assign values to multiple variables When we need to assign values to multiple variables, we often ...

Posted on Mon, 18 May 2020 05:10:26 -0400 by emilyfrazier

The solution of change exchange problem in Python algorithm

Change exchange problem solving We usually go out to buy goods. When we pay at the store, if we want to change, we don't want the salesperson to get back a pile of change. It's very inconvenient to store it. Especially when we buy goods on the vending machine, we find that the vending machine is very intelligent now. When we don't change for yo ...

Posted on Mon, 18 May 2020 03:15:46 -0400 by ilovetoast