I want to install pip. It should support Python 3, but it requires setuptools, which is available only for Python 2. How can I install pip with Python 3? 22 s 22 edit: Manual installation and use of setuptools is not the standard process anymore. If you’re running Python 2.7.9+ or Python 3.4+ Congrats, you … Read more
What is the difference between require() and library()? 8 s 8 In addition to the good advice already given, I would add this: It is probably best to avoid using require() unless you actually will be using the value it returns e.g in some error checking loop such as given by thierry. In most other … Read more
I’m new to Python and I’m just trying to understand how its packages work. Presumably eggs are some sort of packaging mechanism, but what would be a quick overview of what role they play and may be some information on why they’re useful and how to create them? 4 s 4
I tried to install a package, using install.packages(“foobarbaz”) but received the warning Warning message: package ‘foobarbaz’ is not available (for R version x.y.z) Why doesn’t R think that the package is available? See also these questions referring to specific instances of this problem: My package doesn’t work for R 2.15.2 package ‘Rbbg’ is not available … Read more
What’s the difference between a Python module and a Python package? See also: What’s the difference between “package” and “module” (for other languages) 9 s 9
I’m trying to follow PEP 328, with the following directory structure: pkg/ __init__.py components/ core.py __init__.py tests/ core_test.py __init__.py In core_test.py I have the following import statement from ..components.core import GameLoopEvents However, when I run, I get the following error: tests$ python core_test.py Traceback (most recent call last): File “core_test.py”, line 3, in <module> from … Read more
How do I list the user-installed / envirorment package ONLY in npm? When I do npm -g list it outputs every package and their dependencies, instead I’d like to see the packages installed in the current working project or envirorment. 17 s 17 npm list -g –depth=0 npm: the Node package manager command line tool … Read more
I saw different binaries for PHP, like non-thread or thread safe? What does this mean? What is the difference between these packages? 4 s 4
What is the difference between: npm install [package_name] and: npm install [package_name] –save and: npm install [package_name] –save-dev What does this mean? And what is really the effect of –save and -dev keywords? 18 s 18 The difference between –save and –save-dev may not be immediately noticeable if you have tried them both on your … Read more
How to find the version of an installed node.js/npm package? This prints the version of npm itself: npm -v <package-name> This prints a cryptic error: npm version <package-name> This prints the package version on the registry (i.e. the latest version available): npm view <package-name> version How do I get the installed version? 3 35