The Best The back-end tutorial and blogs for Beginners and Experts at Moment For Technology

How to protect your Python code: Existing encryption schemes

February 1, 2024

by 黃思穎

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This paper first introduces the ideas, methods, advantages and disadvantages of existing source code encryption schemes, and then introduces how to better encrypt and decrypt...

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Leetcode 2138. Divide a String Into Groups of Size K (Python)

February 1, 2024

by Anna Saunders-Baker

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This paper introduces the first question of week 276. It is Easy to send points. It examines the basic content of string stitching.

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Understand Python multiple assignment

February 1, 2024

by Stewart Pugh

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I used to think that the values were assigned from right to left. Today, when Leetcode reviewed the algorithm, I found that I confused this...

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Use Expect for automatic 2-step login

February 1, 2024

by 吳龍

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Before the company, because of too many machines too much, the use of jumpers. It decided that the certificate system alone was not secure enough,...

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Who exactly is Sentry?

February 1, 2024

by Ojas Shan

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! [image.png](https://img-blog.csdnimg.cn/img_convert/bad7fff8a545b79bef35df6ffa5020bf.png#clientId=u

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7. Cross-language micro-service framework – Istio log collection EFK

February 1, 2024

by Tracy McGill

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ELK logging systems (Zipkin + Jaeger, Prometheus + Grafana) address the need for link and statistical collection, but the real log storage is professional, provided...

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Motan lightweight RPC framework to support hundreds of billions of calls to Weibo

February 1, 2024

by Shlok Chandra

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The system is gradually transforming to microservitization, and the RPC requirements are also slowly changing. Today, I'll focus on Motan, the Twitter RPC framework, and...

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17. Alphabetic combinations of telephone numbers

February 1, 2024

by Amira Lad

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Given a string containing only the numbers 2-9, return all the letter combinations it can represent. The answers can be returned in any order. The...

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Difference between @Configuration and @Component

February 1, 2024

by 朱惠婷

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We all know that in Spring, the @Configuration and @Component annotations do some of the same things. But there are differences, not just aliases. This...

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Record the process of deploying wechat applets once and launch wechat applets

February 1, 2024

by Arhaan Chowdhury

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"This is the 28th day of my participation in the November Gwen Challenge. The last Gwen Challenge in 2021" The previous chapter has briefly introduced...

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How does JavaSPI work?

February 1, 2024

by Chelsea Parrish DDS

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This article focuses on the implementation of a Java SPI based demo and analysis of its implementation principle, that is, ServiceLoader class source code analysis....

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GBB: Golang auxiliary compilation tool, automatically generate program version number

February 1, 2024

by Arnav Dube

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Golang compilation tools such as Go Install /build and GB are packaged so that the version information of the compiled binary file contains information such...

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Authentication 5 brothers: Cookie, Session, Token, JWT, single sign-on, finally someone clarified!

February 1, 2024

by Oliver Butler

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Source: author: Henrylulu \ juejin. Cn/post / 6898630134530752520 you will see this article: based on the background of the front end of the HTTP authentication...

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Use Druid’s monitoring component to monitor the database connection pool

February 1, 2024

by Janet Bird

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Everyone in the project will use the database connection pool to manage database links. The druid connection pool can be used to monitor the performance...

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Retrieve Inner hits for Elasticsearch 7.10

February 1, 2024

by Aarush Rao

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Parent-join and nested functions allow matching documents to be returned in different ranges. In the parent/child case, the parent document is returned based on a...

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JDK14 Performance management tool: Describes how to use jStack

February 1, 2024

by Paul Haines-Burr

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In the previous article, we introduced the use of the Jstat tool in JDK14. In this article, we take a closer look at the use...

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Redis implements the function of limiting frequency per unit time

February 1, 2024

by Cheryl Harrison-White

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1. Application Scenario 2. In the code example, the limit is 15 times in one hour. 3. When a pit uses redisTemplate, you need to...

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Forget BeanUtils, MapStruct is YYDS

February 1, 2024

by 徐馨儀

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What are the problems with beanutils.copyProperties ()? How can PO,VO,DTO map gracefully between O's?

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The Java implementation creates a Zip package and writes to the file

February 1, 2024

by Ralph Ball

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Use ZipOutputStream to create zip packages and write data into files, or you can build multilevel directory files within zip packages.

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encapsulation

February 1, 2024

by 路宇軒

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Encapsulation is telling details and hiding them from the outside world. Method is encapsulation. The keyword private is also an encapsulation. Once decorated with private,...

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Billion level storage challenge! Take a look, wechat advertising, wechat pay, small programs are in use of the storage system is how to carry? !

February 1, 2024

by Julie Moran

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Level 1 billion | leads, is WeChat user orders of magnitude. Behind this huge figure is the reading and writing demand of 1 billion levels...

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Redis cluster don’t mess up, this is the correct posture!

February 1, 2024

by Divyansh Swaminathan

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Author: wait for harmonica \ links: https://www.cnblogs.com/Courage129/p/14344151.html when we build the cluster, first of all to understand what problem need to solve, make clear this...

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EMQ Million level MQTT messaging service (optimization and pressure measurement)

February 1, 2024

by 孟雅琪

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How about using EMQ to host millions of user connections? The official reply is that the 8-core 32GB configuration can carry 160W devices, so what...

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Coding skills and thinking necessary for a senior PHP engineer

February 1, 2024

by Stephen Little

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Good developers are often defined by the quality of their code. In the software industry, well-written code means saving money on testing, updating, extending, or...

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Leetcode 2139. Minimum Moves to Reach Target Score (Python)

February 1, 2024

by 張佳穎

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This article introduces the second question of week 276. The difficulty Medium is not very difficult, but it examines greed. It can be used recursively...

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Use JavaScript to upload binary files such as PDF and Excel to ABAP server for parsing

February 1, 2024

by 韓雅惠

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Jerry posted an article earlier. Upload local files to ABAP server by hand with pure JavaScript without using any framework. After that, many friends left...

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Packet capture to understand CoreDNS domain name resolution

February 1, 2024

by 孫飛

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DNS is actually a distributed tree naming system, which is like a decentralized distributed database, storing the mapping from domain names to IP addresses. K8s...

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PDF file to image (JPG/PNG)

February 1, 2024

by 樊龍

No Comments

Download: PECL :: Package :: Imagick (php.net) Install: Copy php_imagick. DLL to the configured extension directory after decompression

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“Naocs 2.x” (1) Build a local compilation environment and sort out the relationship

February 1, 2024

by Samuel Bary

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In order to learn Nacos, we prepare to build a set of Nacos source code locally for source tracking and source code learning.

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Category: The back-end

How to protect your Python code: Existing encryption schemes

Leetcode 2138. Divide a String Into Groups of Size K (Python)

Understand Python multiple assignment

Use Expect for automatic 2-step login

Who exactly is Sentry?

7. Cross-language micro-service framework – Istio log collection EFK

Motan lightweight RPC framework to support hundreds of billions of calls to Weibo

17. Alphabetic combinations of telephone numbers

Difference between @Configuration and @Component

Record the process of deploying wechat applets once and launch wechat applets

How does JavaSPI work?

GBB: Golang auxiliary compilation tool, automatically generate program version number

Authentication 5 brothers: Cookie, Session, Token, JWT, single sign-on, finally someone clarified!

Use Druid’s monitoring component to monitor the database connection pool

Retrieve Inner hits for Elasticsearch 7.10

JDK14 Performance management tool: Describes how to use jStack

Redis implements the function of limiting frequency per unit time

Forget BeanUtils, MapStruct is YYDS

The Java implementation creates a Zip package and writes to the file

encapsulation

Billion level storage challenge! Take a look, wechat advertising, wechat pay, small programs are in use of the storage system is how to carry? !

Redis cluster don’t mess up, this is the correct posture!

EMQ Million level MQTT messaging service (optimization and pressure measurement)

Coding skills and thinking necessary for a senior PHP engineer

Leetcode 2139. Minimum Moves to Reach Target Score (Python)

Use JavaScript to upload binary files such as PDF and Excel to ABAP server for parsing

Packet capture to understand CoreDNS domain name resolution

PDF file to image (JPG/PNG)

“Naocs 2.x” (1) Build a local compilation environment and sort out the relationship