package

问题 I am facing this problem: sudo apt-get install python3-pip Reading package lists... Done Building dependency tree Reading state information... Done Package python3-pip is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'python3-pip' has no installation candidate This is error I am facing And I have try these commands apt-get update && apt-get upgrade But problem isn't

问题 I'm testing on Delphi 2007 and my groupproject is composed by 2 packages. PackageRun.bpl It's marked as "runtime only" and contains a unit named "uMyTestRun.pas" in which is defined an empty TFrame descendant: unit uMyTestRun; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs; type TMyTest = class(TFrame) private { Private declarations } public { Public declarations } end; implementation {$R *.dfm} end. PackageDes.bpl It requires PackageRun.bpl,

问题 I'm testing on Delphi 2007 and my groupproject is composed by 2 packages. PackageRun.bpl It's marked as "runtime only" and contains a unit named "uMyTestRun.pas" in which is defined an empty TFrame descendant: unit uMyTestRun; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs; type TMyTest = class(TFrame) private { Private declarations } public { Public declarations } end; implementation {$R *.dfm} end. PackageDes.bpl It requires PackageRun.bpl,

问题 I have my program set up using packages as followed: -base -init.py -base_class.py -test -init.py -test.py When I do the import statement from base.base_class import BaseClass in the test.py I get this error when running it: from base.base_class import BaseClass ImportError: No module named base.base_class How can I import this module? 回答1: at the top of test.py add import sys sys.path.append("..") base is not a folder on the path...once you change this it should work or put test.py in the

问题 I have my program set up using packages as followed: -base -init.py -base_class.py -test -init.py -test.py When I do the import statement from base.base_class import BaseClass in the test.py I get this error when running it: from base.base_class import BaseClass ImportError: No module named base.base_class How can I import this module? 回答1: at the top of test.py add import sys sys.path.append("..") base is not a folder on the path...once you change this it should work or put test.py in the

问题 I have my program set up using packages as followed: -base -init.py -base_class.py -test -init.py -test.py When I do the import statement from base.base_class import BaseClass in the test.py I get this error when running it: from base.base_class import BaseClass ImportError: No module named base.base_class How can I import this module? 回答1: at the top of test.py add import sys sys.path.append("..") base is not a folder on the path...once you change this it should work or put test.py in the

问题 I've been having a hard time trying to execute a simple golang program in a virtual machine powered by vagrant. These are the relevant fields of my go env : GOARCH="amd64" GOPATH="/usr/local/src/go" GOROOT="/usr/local/go" GOTOOLDIR="/usr/local/go/pkg/tool/linux_amd64" This is the program I'm trying to execute ( located in /usr/local/src/go/program ): package program import ( "fmt" ) func main() { fmt.Print("Aloha") } This, the output that I get: main.go:4:5: /usr/local/go/src/fmt/doc.go:1:1:

问题 I have a very large python script, 200K, that I would like to use as little memory as possible. It looks something like: # a lot of data structures r = [34, 78, 43, 12, 99] # a lot of functions that I use all the time def func1(word): return len(word) + 2 # a lot of functions that I rarely use def func1(word): return len(word) + 2 # my main loop while 1: # lots of code # calls functions If I put the functions that I rarely use in a module, and import them dynamically only if necessary, I can

问题 This is with Java and Maven - I am trying to import some classes from a project that I could either build on my machine to the local mvn repository or I can download it from company's external mvn repository already a packaged jar. I did notice when looking on IntelliJ at the left "project" pane when looking at "External Libraries" and expanding the library in question that there is a "BOOT-INF.classes" prefix to all the classes underneath the jar in question. It's also a springboot project

问题 I'm building my first python package (which I then install with pip) and I need to use some non-python files. In these answers, it is explained that I should use the pkg_resources function. But I can't figure out a working example. Let say I have this project structure: package_name/ ----data/ --------image.png ----package_name/ --------__init__.py --------file.py ----setup.py ----MANIFEST.in ----conf.yml Now I want to access conf.yml and image.png from file.py . How should I proceed in: file