Programmer Group

abstract The Maven central warehouse does not support direct upload of jar packages, so it is necessary to publish the jar packages to some designated third-party Maven warehouses, such as the Sonatype OSSRH warehouse, and then the warehouse synchronizes the jar packages to Maven. This paper records the whole publishing and synchronization pro ...

When using pinpoint for full link monitoring, it supports the sampling of requests. Whether a request is sampled depends on the machine at the beginning of the whole link. The machine uses a specific sampling algorithm. The sampled flag will be transmitted through the link all the time. For example, in http, the pinpoint sampled field will be a ...

The online environment is mostly Linux, sometimes the code execution is slow, but you can't locate where it's slow, or it's more difficult to locate. This article introduces a way to facilitate your problem location.     First of all, let's talk about a tool: Arthas, which is mainly an open-source tool of Alibaba. For details, please ...

Business scenario: there may be communication (method call) between two systems. In this case, httpinvoker can be used to implement a lightweight solution It is divided into server and client. The client calls the interface provided by the server; Client configuration: <bean id="OpenApi4SoaService" class="cn.com.agree.open.mvc.service.imp ...

C + + calls Tensorflow model Save tensorflow model Model loading code C + + program calls Python program CMakeLists document writing Result Use C + + to call Python 2.7 program, load tensorflow model (why not use Python 3, there are too many pits, which has not been solved well). The whole environment is completed under Ub ...

Layout file <?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:id="@+id/activity_main" android:layout_width="match_parent" android:layout_height="match_parent" android:paddingBottom=" ...

Last two blog posts( netty source code analysis: unveiling reactor threads (1)，netty source code analysis: unveiling reactor threads (2) )The first two steps of the reactor thread of netty have been described. Here, we use this picture to review: A brief summary of reactor thread Trilogy 1. Polling out IO events 2. Handle IO events ...

Recently learning the basic knowledge of python, I find it interesting to go to the network programming section. Write a blog to record, first you can know the basic knowledge of computer network, just refer to relevant books, this article only makes a simple introduction! 1.OSI seven-layer protocol, TCP, UDP protocol First of all, the comput ...

Read write separation of redis cluster 1. Cluster deployment In this article, we will not elaborate on how to deploy the master-slave cluster. In general, slaveOf configuration is used for initialization configuration. 2. Integrating with springboot to realize read-write separation The call layer read-write separation is realized by annotatio ...

RabbitMQ Metadata RabbitMQ Metadata Type RabbitMQ always records the following types of internal metadata: *Queue Metadata - Queue names and their properties (whether persistent or automatically deleted) *Exchange metadata - Exchange name, type, properties (persistent, etc.) *Binding metadata - A simple table showing how to r ...