Spring cloud Part 6: Spring Cloud Config Github

As distributed projects get bigger and bigger, hardworking programmers will begin to face a challenge, and configuration files will become more and more complicated, although spring provides a chicken rib solution, spring.profiles.active In the large-scale distributed project system, it's better than nothing. The pain of manual maintenance of c ...

Posted by michealholding on Mon, 29 Jun 2020 06:15:03 +0200

Datawhale team - Pandas timing data (punch)

Pandas can handle time series in any field. Using Numpy's datetime64 and timedelta64 types, pandas integrates many functions from other Python libraries, such as Scikits.TimeSeries , and create a lot of new functions for processing time series data. 1, Timing creation 1. Four types of time variable ...

Posted by tripleaaa on Mon, 29 Jun 2020 06:01:26 +0200

Array algorithm set

1. Bubble sorting: average time complexity (O(n^2)) ① Compare adjacent elements. If the first is bigger than the second, exchange them. ② Do the same for each pair of adjacent elements, from the first pair at the beginning to the last pair at the end. At this point, the last element should be the maximu ...

Posted by jimmygee on Mon, 29 Jun 2020 05:58:50 +0200

First HTML file.html

HTML , 1, HTML introduction 1. What is HTML HTML: Hyper Text Markup Language All kinds of tags are used to make web pages and tell browsers how to display pages 2. Function Make web pages, control the display of web pages and content Insert picture, music, video, animation and other multimedia S ...

Posted by RobOgden on Mon, 29 Jun 2020 05:36:00 +0200

Hand in hand to teach you to customize a Druid Filter to record sql, and combine Nacos to realize dynamic switch and judge threshold adjustment

1, Background Durid is a widely used database connection pool, which has superior performance, powerful monitoring mechanism, and also supports expansion through the mechanism of filter. Druid has a StatFilter for slow sql recording, but I found some shortcomings in using it: The print log of this Fi ...

Posted by jonsof on Mon, 29 Jun 2020 04:13:38 +0200

Common methods of current limiting in high concurrency system

In the development of high concurrency system, there are four tools to protect the system: diffluence, cache, degradation and flow restriction. Based on the author's experience, this paper introduces the related concepts, algorithms and conventional implementation of current limiting. Concept interp ...

Posted by plapeyre on Mon, 29 Jun 2020 04:11:04 +0200

Analysis of Lucene from entry to normal use

Lucene (Chinese interpretation web search engine; full text search; search technology; vertical search engine;) About Lucene Lucene is a sub project of 4 jakarta project group of Apache Software Foundation, which is an open-source full-text search engine toolkit, but it is not a complete full-text sea ...

Posted by ckjian on Mon, 29 Jun 2020 03:36:01 +0200

Ad Concurrency Test

File descriptionab is a useful stress test tool that comes with apache. When Apache is installed, ab can be found under binDownload Link Linux/Mac: 1,yum -y install httpd-tools View information: ab-V 2,http://httpd.apache.org/download.cgi#apache24 Windows: http://www.apachehaus.com/cgi-bin/download.plx Unzip after downloading and a ...

Posted by Sangre on Mon, 29 Jun 2020 01:52:59 +0200

Introduction to Cyclic Redundancy Check (CRC) algorithm written to embedded programmers

Preface CRC checks (cyclic redundancy checks) are the most commonly used checks in data communication.In embedded software development, CRC algorithm is often used to verify various data.Therefore, mastering basic CRC algorithms should be a basic skill for embedded programmers.However, few embedded pr ...

Posted by mispris006 on Sun, 28 Jun 2020 18:57:15 +0200

02-VGNet Learning Notes

02-VGNet Learning Notes The following are personal learning notes for reference only 1. What percentage of the parameters are less for three 3*3 convolutions in VGG than for one 7*7 convolution?(Assuming both input and output channels are C) 2. What is the difference between VGG-16 and VGG-19? 3. Wh ...

Posted by coolcat on Sun, 28 Jun 2020 18:42:46 +0200