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Explain Operating system: Windows 10 Python version: 3.7x Virtual Environment Manager: virtualenv Code editor: VS Code Experimental target Use bootstrap flask to beautify the page and apply the style of bootstrap 4. X to the website. Because flask bootstrap hasn't been updated for a long time and doesn't support BS4, here we use the bootstr ...

The reason for this problem is that the certificate of the installation source is not trusted. You can change the configuration file of pip to solve this problem: Where is the profile first to change it? Read the source code of pip: Here is the pip source code if WINDOWS: bin_py = os.path.join(sys.prefix, 'Scripts') bin_ ...

[server configuration] System version # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 18.04.2 LTS Release: 18.04 Codename: bionic Official documents: https://rsync.samba.org/documentation.html install sudo apt install rsync xinetd Modify or add in / etc/default/rsync file RSYNC_ENABLE=inetd Create th ...

– create tablespace CREATE SMALLFILE TABLESPACE "MAXDATA" DATAFILE 'D:\app\Administrator\oradata\orcl\MAXDATA' SIZE 1000M AUTOEXTEND ON NEXT 1000K; CREATE TABLESPACE MAXINDEX DATAFILE 'D:\app\Administrator\oradata\orcl\MAXINDEX' SIZE 2048M AUTOEXTEND ON NEXT 2048K; CREATE TEMPORARY TABLESPACE MAXTEMP TEMPFILE 'D:\app\Admi ...

abstract In Pulsar, Function, Source, and Link are all running on Function Worker, and you can refer to Function for reference An article about Pulsar Functions , you can refer to the use of Source and Link Introduction to Pular Source Pular Sink Getting Started Guide. This paper introduces the election mechanism of Functions Worker.Read th ...

Preceding text ROS robot chassis (3) - Communication Protocol Defined PIBOT This protocol is simple and not related to ROS, and can be extended at the same time. In this paper, we use python to realize a transceiver, which can be used in windows or linux at the same time 1. dataHolder python struct package It can be used to pac ...

Absrtact: This article mainly studied how to install Tomcat server in Linux environment. Preparation Check Java environment variables Check whether the system is configured with Java environment variables: 1 [root@localhost ~]# java -version 2 java version "1.8.0_91" 3 Java(TM) SE Runtime Environment (build 1.8.0_91-b14) 4 Java HotSpot(TM) 64- ...

Because the work needs to use gRPC, I use windows 10, but the operation flow of linux is basically the same. Go directly to the topic, divided into several parts 1. Download Protoc Download address: https://github.com/google/protobuf/releases Select the corresponding platform and download the binary file used herehttps://github.com/protocol ...

I. knowledge points The following functions are mainly used, and the specific meaning of parameters can be Baidu 1.CreateFileMapping,OpenFileMapping,MapViewOfFile 2.CreateEvent,SetEvent,ResetEvent,WaitForSingleObject   Two, function The logic is simple: 1. First open the shared memory according to the name. If it fails t ...

I. questions: There are some problems left in the last article. This time, we mainly solve the following two problems: 1. When writing data to shared memory, it is not sure whether the data in shared memory has been processed 2. When the sending data size is larger than the shared memory size, there will be data loss   II. ...