Programming VIP

Query interface As a big data storage service, table storage provides a variety of data output interfaces, mainly including: single row read (GetRow), batch GetRow, range read (GetRange), multiple index Search (Search) and channel service data subscription (Tunnel Service). This article will describe the function, use and limitation of range r ...

1 big data 1.1 big data concept big data, IT industry term refers to a collection of data that cannot be captured, managed and processed within a certain period of time with conventional software tools, It is a mass, high growth rate and diversified information asset that needs new processing mode t ...

1. Preface Record several issues encountered when using logstash to synchronize data from sqlserver to ES.Version used is es6.8.3+logstash6.8.3 2.logstash profile 2.1input input { jdbc { jdbc_driver_library => "/usr/local/logstash-6.8.3/logstashconfs/sqljdbc4.jar"#Driver jar package for sqlserver jdbc_driver_clas ...

Jupyter/JupyterHub/JupyterLab can run in many ways, including command line, system service, Docker instance, Kubernetes application, etc. Here is how to run it as a system service by using the< magic operator of IPython 6/Jupyter>,<Magic operators of IPython >Can provide better console operation (who uses who knows! If you need t ...

Summary Intelligent visual AI open platform is an open platform for enterprise users, software and hardware service providers and developers, providing simple, easy-to-use, high-quality visual algorithms. The platform algorithm capability has been developed and precipitated by Alibaba Damo Institute machine intelligence laboratory and multi ...

1. Add a new hard disk and format it [root@localhost ~]# cd /dev [root@localhost dev]# ls [root@localhost dev]# fdisk /dev/sdb [root@localhost dev]# mkfs -t xfs /dev/sdb1 2. Create orc directory [root@localhost dev]# mkdir /orc 3. Modify the host name [root@localhost ~]# vim /etc/hostname #Add the following to the last line HOSTNAME=oracle 4. ...

Author: dongdong Email: ldyldy828@126.com This article includes: Installing FFmpeg on Linux Video format recognition and transcoding via command line Video transcoding acceleration using GPU on Linux with Nvidia graphics card FFmpeg Compile Installation On the FFmpeg website, https://ffmpeg.org/download.html can be downloaded to the ubunto/d ...

Suppose you only know the list of play names ['northwest wolf of war', 'martial arts biography'], and want to crawl its Douban information. First of all, I need to know its Douban ID, so that I can better connect to the information page of the play.   1. Load package # coding: utf-8 import urllib.request import pandas as pd ...

The original connection of this paper is:https://blog.csdn.net/freewebsys/article/details/83618119 The blogger's address is: http://blog.csdn.net/freewebsys 1. About kube video The first section is shared by foreigners. I'm too lazy to listen to English. Look straight from the second section. Chinese is still comfortable to l ...

This time, we changed the source code of ThriftServer and added some services. In the middle of the change, we encountered such a problem. When we submitted tasks asynchronously, we wanted to make them multithreaded. At the beginning, we used scala's Actor, which passed sqlcontext and sql. We found that every sparkSessionId cha ...