In this paper, we use four nodes to deploy the gausdb t 1.0.1 distributed cluster, and then upgrade it to version 1.0.2 after the deployment is completed (install version 1.0.2 directly, during the installation process, segment fault will be reported, which has not been resolved yet). Refer to the previous articles for the preparation of the o ...
Added by Michael on Tue, 07 Apr 2020 14:16:59 +0300
This article starts with WeChat official account of vivo Internet technology. Links: https://mp.weixin.qq.com/s/jG8rAjQ8QAOmViiQ33SuEg Author: Chen Long
Recent projects need to support dozens of languages. Many small languages seem to be the same as garbled code in the eyes of people who don't know them. Translation is generally transl ...
Added by liamloveslearning on Tue, 07 Apr 2020 13:20:15 +0300
2 modification name and version number
3 display description
4 display controller notes and Chinese
5. The same route and different query parameters
6 ignore some fields in the Model
7 delivery header
8 HTTP status code on error
When developing web api, it's a pain to write documents. Without documents, people don' ...
Added by nbalog on Tue, 07 Apr 2020 10:29:41 +0300
The mechanism of hadoop is only available in hadoop 2.x. the implementation of this function depends on a distributed component: zookeeper.
Brief introduction to zookeeper
zookeeper mainly provides distributed coordination services. Main functions: 1. Provide storage and management of a small amount of data. 2. Provide monitoring function for d ...
Added by THEMADGEEK on Mon, 06 Apr 2020 12:21:44 +0300
Multi engineering construction
Maven realizes the combination of multiple modules by using modules. In Gradle, it can be realized by aggregating multiple project s. This article mainly introduces the specific usage.
Multi engineering structure
Create a three-tier structure as follows
helloProject --> subProjectA
Added by jdnet on Mon, 06 Apr 2020 06:39:36 +0300
1. High availability cluster construction scheme
Node A: synchronize messages with node B, node C, so node a, node B, node C can be used as consumer access nodes
Node B: as master node, as producer access node and consumer access node
Node C: as slave node of slave, as producer access node and consumer access node. When the master node is ...
Added by solus on Mon, 06 Apr 2020 03:38:17 +0300
Make target detection data set similar to pascal voc format: https://www.cnblogs.com/xiximayou/p/12546061.html
The copied code has many holes to step on...
I uploaded it to Google collab. The current directory structure is as follows:
It should be noted that although we only have two ...
Added by ticallian on Mon, 06 Apr 2020 02:05:15 +0300
1.1. What is freemarker
FreeMarker is a template engine written in Java language, which generates text output based on templates. FreeMarker has nothing to do with the Web container, that is, it doesn't know about servlets or HTTP when the Web is running. It can not only be used as the implementation technology of presentation layer, but also b ...
Added by ryanyoungsma on Sun, 05 Apr 2020 17:23:09 +0300
The above are two pictures (size h*w = 50*94) that need to be used. There is a certain transparent area left and right of the picture as the space between the stars, which should not be seen in the blog,
1. Put them in different folders to adapt to different resolutions of the screen,
If you try to put only one direc ...
Added by djlfreak on Sun, 05 Apr 2020 03:00:02 +0300
characters will have many problems. Record them and find them for a long time. It turns out that they are the problem of spaces. Here is the xml file after format and the corresponding print
Reference: the following excerpt from http://blog.csdn.net/Garmiter/article/details/8016840
XML type 1: no ...
Added by Codewarrior123 on Sat, 04 Apr 2020 14:47:05 +0300