A Python utility artifact with five lines of Python code for one-click bulk snapshots

Today, I'm sharing a Python look-alike and functional. In daily life or work, you often encounter people who want to cut out the characters in one photo and stitch them together into other pictures.Professionals can use PhotoShop's "Magic Wand" tool to cut maps, while non-professionals use a variety of Map APP s, but these two methods ...

Posted on Tue, 19 May 2020 22:40:13 -0400 by rcatal02

KVM virtualization, creation, cloning, QEMU guest agent installation and other practical processes

Due to the needs of the company, I have recently learned KVM. Here is my installation practice. Install virtualization software Check whether the CPU supports KVMegrep 'vmx|svm' /proc/cpuinfo --color=auto You can see the content of grep, indicating that kvm is supported. Install via apt apt-get install -y qemu-kvm libvirt-daemon libv ...

Posted on Sun, 17 May 2020 05:57:42 -0400 by LuckyLucy

Talk about debezium's snapshot change record emitter

order This paper mainly studies the snapshot change record emitter of debezium SnapshotChangeRecordEmitter debezium-v1.1.1.Final/debezium-core/src/main/java/io/debezium/relational/SnapshotChangeRecordEmitter.java public class SnapshotChangeRecordEmitter extends RelationalChangeRecordEmitter { private final Object[] row; public Snapsho ...

Posted on Wed, 13 May 2020 12:19:01 -0400 by t.bo

Talk about debezium's snapshot change record emitter

order This paper mainly studies the snapshot change record emitter of debezium SnapshotChangeRecordEmitter debezium-v1.1.1.Final/debezium-core/src/main/java/io/debezium/relational/SnapshotChangeRecordEmitter.java public class SnapshotChangeRecordEmitter extends RelationalChangeRecordEmitter { private final Object[] row; public Snapsho ...

Posted on Wed, 13 May 2020 12:03:37 -0400 by vjbrantner@purd

mica 2.0.1 release and add the best ip2region boot station

mica (mica) mica evolved from the lutool within dreamlike technology. Lutool was born in 2017. Inspired by jhipster, it has gradually formed a core set of micro services. Because the name of lutool does not match the function, it will be renamed mica (MICA) when it is opened in 2019, which means the cornerstone of cloud services. mica 2.x core ...

Posted on Tue, 12 May 2020 10:04:22 -0400 by Integra_grrl

(Reprint) SpringData JPA advanced - JPA one to many, many to many

Link: https://blog.csdn.net/qq_36662478/article/details/89111437   Primary key generation strategy in JPA                               .    four standard usages provided by JPA are ...

Posted on Fri, 08 May 2020 06:01:37 -0400 by tarscher

From zero to achieve a word to fight game practice Chapter 6: to achieve friend word to fight

The core of the realization of the war is to watch Based on the encapsulation of webSocket, the cloud development data set listens to the update events of the data in the set that meet the query criteria. When the monitored doc changes data, the onChange event callback is triggered, and the corresponding scenario is switched through the callbac ...

Posted on Tue, 05 May 2020 06:13:47 -0400 by rks

Process analysis of PostgreSQL logical subscription

1. Overview of table synchronization process After the subscriber executes CREATE SUBSCRIPTION, it synchronizes the table data in the background.The data synchronization status of each table is recorded in PG subscription rel.srsubstate, with a total of 4 status codes. 'i': initialization 'd': copy ing data 's': synchronized 'r': ready (normal ...

Posted on Sun, 26 Apr 2020 04:36:00 -0400 by Nick Zaccardi

Maven releases internal jar package to private server

0. Preface     in the daily development process, we will encounter that some jar packages belong to the internal use of the company and can't be exported. Some jar packages are provided by other companies, but they don't want to be published to the central warehouse, which can cause some confusion. Although these bags can Local i ...

Posted on Wed, 22 Apr 2020 03:39:02 -0400 by phait

Introduction and construction of Maven Archetype

Why did you write this article? Because the company first used maven archetype to build the skeleton of the project. As a progressive slag ape, it's still necessary for the company to understand this thing. Archetype introduction Archetype is a maven project template toolkit. Prototypes are defined as primitive patterns or models from w ...

Posted on Fri, 17 Apr 2020 05:54:32 -0400 by thepip3r