pip

pytables installation failed

由 社会主义新天地 提交于 2020-12-31 04:34:31
问题 I do: sudo pip install --upgrade tables I get: /usr/bin/ld: cannot find -lhdf5 collect2: ld returned 1 exit status .. ERROR:: Could not find a local HDF5 installation. You may need to explicitly state where your local HDF5 headers and library can be found by setting the ``HDF5_DIR`` environment variable or by using the ``--hdf5`` command-line option. Complete output from command python setup.py egg_info: /usr/bin/ld: cannot find -lhdf5 however: $ echo $HDF5_DIR /opt/hdf5/ $ ls /opt/hdf5/ bin

Python+SQL无敌组合，值得你Pick！

由 老子叫甜甜 提交于 2020-12-30 11:39:00
T U SHARE 金融与技术学习兴趣小组 翻译整理 | Little monster 本期编辑 | Little monster 译者简介：北京第二外国语学院国际商务专业研一在读，目前在学习Python编程和量化投资相关知识。 作者： Nicholas Samuel × DataCamp SQL 是结构化查询语言 Structured Query Language 的简称，是一种数据库查询和程序设计语言，用于存取数据以及查询、更新和管理关系数据库系统。 在正式讲解代码之前，先来科普一下数据库相关的知识。 数据库是以一定方式储存在一起、能与多个用户共享、具有尽可能小的冗余度、与应用程序彼此独立的数据集合。数据库系统具有如下特点： ① 数据结构化 实现整体数据的结构化，这里所说的“整体”结构化，是指在数据库中的数据不再仅针对某个应用，而是面向全组织；不仅数据内部是结构化，而且整体式结构化，数据之间有联系。 ② 数据共享性高 多个用户可以同时存取数据库中的数据，甚至可以同时存取数据库中的同一个数据。 ③ 数据冗余度低 减少重复数据的存储，节约存储空间。 ④ 数据独立性高 用户的应用程序与数据库的物理存储结构和逻辑结构是相互独立的。 数据库可以分为两类， 关系型数据库 和 非关系型数据库NoSQL（Not Only SQL） 。 关系型数据库 是由多张能互相联接的二维行列表格组成的数据库

How to reset virtualenv and pip?

由 半世苍凉 提交于 2020-12-30 05:53:23
问题 I installed virtualenv on my Ubuntu 10.04 server. Now when I do pip freeze it shows me the following packages: Django==1.2.4 distribute==0.6.10 python-apt==0.7.94.2ubuntu6.2 virtualenv==1.5.1 wsgiref==0.1.2 When I do "pip uninstall Django" it says: pip uninstall Django Uninstalling Django: Proceed (y/n)? y Successfully uninstalled Django Ideally this should uninstall Django but it doesn't. I can still see the same packages when I do "pip freeze". Now bear with me, the other weird thing is

How to reset virtualenv and pip?

由 ↘锁芯ラ 提交于 2020-12-30 05:51:27
问题 I installed virtualenv on my Ubuntu 10.04 server. Now when I do pip freeze it shows me the following packages: Django==1.2.4 distribute==0.6.10 python-apt==0.7.94.2ubuntu6.2 virtualenv==1.5.1 wsgiref==0.1.2 When I do "pip uninstall Django" it says: pip uninstall Django Uninstalling Django: Proceed (y/n)? y Successfully uninstalled Django Ideally this should uninstall Django but it doesn't. I can still see the same packages when I do "pip freeze". Now bear with me, the other weird thing is

Is it possible to install python packages in Node JS using python-shell package?

由 好久不见. 提交于 2020-12-30 02:14:53
问题 I just came to know that we can run Python scripts in Node JS using the below npm package. python-shell Is it possible to install python packages using the same library? Something like pip install package I need to import a few libraries to work with the Python scripts. If it is not possible with this package, is there any other way to achieve it? 回答1: Here's the first file : test.js let {PythonShell} = require('python-shell'); var package_name = 'pytube' let options = { args : [package_name]

Is it possible to install python packages in Node JS using python-shell package?

由 一个人想着一个人 提交于 2020-12-30 02:14:52
问题 I just came to know that we can run Python scripts in Node JS using the below npm package. python-shell Is it possible to install python packages using the same library? Something like pip install package I need to import a few libraries to work with the Python scripts. If it is not possible with this package, is there any other way to achieve it? 回答1: Here's the first file : test.js let {PythonShell} = require('python-shell'); var package_name = 'pytube' let options = { args : [package_name]

Is it possible to install python packages in Node JS using python-shell package?

由 人盡茶涼 提交于 2020-12-30 02:12:58
问题 I just came to know that we can run Python scripts in Node JS using the below npm package. python-shell Is it possible to install python packages using the same library? Something like pip install package I need to import a few libraries to work with the Python scripts. If it is not possible with this package, is there any other way to achieve it? 回答1: Here's the first file : test.js let {PythonShell} = require('python-shell'); var package_name = 'pytube' let options = { args : [package_name]

Is it possible to install python packages in Node JS using python-shell package?

由 断了今生、忘了曾经 提交于 2020-12-30 02:12:35
问题 I just came to know that we can run Python scripts in Node JS using the below npm package. python-shell Is it possible to install python packages using the same library? Something like pip install package I need to import a few libraries to work with the Python scripts. If it is not possible with this package, is there any other way to achieve it? 回答1: Here's the first file : test.js let {PythonShell} = require('python-shell'); var package_name = 'pytube' let options = { args : [package_name]

How to make pip available to git bash command line on Windows?

由 a 夏天 提交于 2020-12-29 12:09:53
问题 I added the pip installation folder in my python site-packages directory to my PATH, but I can still only run it via python -m pip in my git bash. Just pip gives me command not found . I looked around the pip directory and I don't see any binaries, so this makes sense. Yet clearly pip is a thing that is normally used on the command line without python -m . So what component am I missing here? 回答1: Try adding C:/path/to/python/Scripts/ to PATH There should be a pip.exe there! 回答2: in your

Installed Anaconda 4.3.1 (64-bit) which contains Python 3.6 but pip3 missing, cannot install tensorflow

由 折月煮酒 提交于 2020-12-29 10:44:50
问题 I downloaded the latest stable Anaconda install off the Continuum website which turned out to be Anaconda 4.3.1 (64-bit) and comes with Python 3.6.0. I am in a Windows 10 environment. However pip3 is missing and I cannot install any Python 3.x packages via pip3. What am I doing wrong? 回答1: If you do not have another environment installed python 3+ will default to just pip I believe since pip3 is just an alias for pip. pip install --upgrade pip or You can do it with the associated Python
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