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ValueError: setting an array element with a sequence
This Python code:
8 Answers
8
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how to reference a YAML “setting” from elsewhere in the same YAML file?
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Yes, using custom tags. Example in Python, making the !join tag join strings in an array:
import yaml
## define custom tag handler
def join(loader, node):
seq = loader.construct_sequence(node)
return ''.join([str(i) for i in seq])
## register the ta...
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“message failed to fetch from registry” while trying to install any module
...xtra steps. Example install:
sudo apt-get update
sudo apt-get install -y python-software-properties python g++ make
sudo add-apt-repository ppa:chris-lea/node.js
sudo apt-get update
sudo apt-get install nodejs
After that, npm was already included and worked perfectly.
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由12306.cn谈谈网站性能技术 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...这个事,我想以这个事来粗略地和大家讨论一下网站性能的问题。因为仓促,而且完全基于...12306.cn网站挂了,被全国人民骂了。我这两天也在思考这个事,我想以这个事来粗略地和大家讨论一下网站性能的问题。因为仓促,而...
Parse config files, environment, and command-line arguments, to get a single collection of options
Python's standard library has modules for configuration file parsing ( configparser ), environment variable reading ( os.environ ), and command-line argument parsing ( argparse ). I want to write a program that does all those, and also:
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What are important languages to learn to understand different approaches and concepts? [closed]
... reconsider. You've gotten some functional exposure with Clojure and even Python, but you've not experienced it to its fullest without Haskell. If you're really against Haskell then good compromises are either ML or OCaml.
Declarative, Datalog - Many people would recommend Prolog in this slot, bu...
一个故事告诉你比特币的原理及运作机制 - 创意 - 清泛网 - 专注C/C++及内核技术
一个故事告诉你比特币的原理及运作机制bitcoin-mechanism-make-easy周末花时间看了一些比特币原理相关的资料,虽然不敢说把每个细节都完全搞懂了,不过整体思路和关键部分的主要原理还是比较明白。写一篇文章...周末花时间看了...
简单谈谈软件配置管理 - 项目管理 - 清泛网 - 专注C/C++及内核技术
...置管理一、概述 配置管理(Configuration Management, CM)的目的,在使用配置识别、配置控制、配置状态记录及配置审计,来达到建立与维护 一、概述
配置管理(Configuration Management, CM)的目的,在使用配置识别、配置控制...
为什么你有10年经验,但成不了专家? - 杂谈 - 清泛网 - 专注C/C++及内核技术
...不了专家?转载自微信公众号李叫兽。如何成为一个领域的专家?有人说主要靠经验,有人说靠天赋,但是大量的研究发现:不论是经验还是天赋,都不是成为...如何成为一个领域的专家?
有人说主要靠经验,有人说靠天赋,...
