Julia1.0 has just been installed and I want to take the first step:
Pkg.add("PyPlot")ERROR: ERROR: UndefVarError: Pkg not defined
Problem description:
Since Julia’s extension pack is installed using a Pkg extension pack, you must import Julia’s extension pack Pkg before installing the extension pack
Solutions:
Import the Pkg package
Then use the pkg. add() command
using Pkg
Pkg.add("Packagename")
Read More:
- Completely solve install_ FAILED_ UPDATE_ Incompatible installation error, the installation package is not consistent with the previous installation package signature on the device
- Idea Maven project uses package to package and report error (package does not exist)
- Install additional stage package for streamsets – error in cdh6.3.0 package rest API call error: java.io.eofexception
- Failure [INSTALL_FAILED_UPDATE_INCOMPATIBLE: Package com.* signatures do not match the previously
- How to select the jar package version for Maven package when the jar package versions referenced by multiple modules are inconsistent
- Installing R’s “mvtnorm” package in Windows system: solving the problem of the R package “mvtnorm” is not installed
- Does the version of idea2020.1 import mybayis jar package or report an error? Error: (4,28) Java: package org.apache.ibatis.io does not exist
- Maven compilation error: package does not exist jar package does not exist
- Failed to import package with error: couldn’t decompress package
- Install Oracle VM VirtualBox Extension Pack failed to install the extension pack
- Package inputenc Error: Unicode character , (U+FFØC) (inputenc) not set up for use with L aTeX. See
- [Solved] Scala signature package has wrong version expected: 5.0 found: 5.2 in package.class
- AR# 57595 – Vivado Synthesis – ERROR: [Synth 8-4169] error in use clause: package ‘xxx‘ not found in
- Installation and use of R language ggmap package
- Unity package APK exception failed to re package resources
- Error while importing package: couldn’t decompress package
- Java project cannot import entity class package and service package, controller layer reports error, fix project setup is OK
- The solution of package main extensions undefined package struts default
- Install Python package under MacOS: “error: Command ‘GCC’ failed with exit status 1”
- Zip to decompress the jar package, like the add file in the jar package