/opt/vagrant/embedded/lib/ruby//psych.rb::in `parse': (<unknown>): mapping values are not allowed in this context at line 115 column 10 (Psych::SyntaxError) /psych.rb::in `parse_stream' /psych.rb::in `parse' /psych.rb::in `load' :in `block in <to…
之前10.7的系统上执行过cocoapods没有问题.如今系统版本号升级到了10.9,尝试使用cocoapods遇到问题,报告了类似以下的错误: Psych::SyntaxError - (/Users/psteinacher/.cocoapods/repos/master/CocoaPods-version.yml): mapping values are not allowed in this context at line 3 column 4 /System/Library/Framew…
社区小伙伴反馈在实践文章<使用图数据库 Nebula Graph 数据导入快速体验知识图谱 OwnThink>时,遇到了一些问题,Nebula Graph 将在本文对该文章中出现的问题进行 Debug. 报错信息:panic: yaml: line 14: mapping values are not allowed in this contex 使用 nebula-importer 时,报错: panic: yaml: line 14: mapping values are not allo…
# -*- coding:utf-8 -*- ##s.partition(d)##Searches string s for the first occurrence of some delimiter string d.if s contains##the delimiter,it returns a truple(pre,d,post),where pre is the part of s before##the delimiter ,d is the delimiter itself,an…
1.模版除了传参,还可以自动创建.而传指针只是传参而已. template <class TYPE, class FUNCTOR, class ACE_LOCK, typename TIME_POLICY = ACE_Default_Time_Policy> class ACE_Timer_List_T : public ACE_Timer_Queue_T<TYPE, FUNCTOR, ACE_LOCK, TIME_POLICY> { public: /// Type of ite…
转载:https://www.mssqltips.com/sqlservertip/3476/sql-server-analysis-services-ssas-processing-error-configurations/ Problem What are the different methods of dealing with errors in SQL Server Analysis Services (SSAS) processing and should I change the…
Milan Ikits University of Utah Joe Kniss University of Utah Aaron Lefohn University of California, Davis Charles Hansen University of Utah This chapter presents texture-based volume rendering techniques that are used for visualizing three-dimensional…
问题:在逻辑上将多个字典或映射合并为一个单独的映射结构,以此执行某些特定的操作,比如查找值或者检查键是否存在 解决方案:利用collections模块中的ChainMap类 ChainMap可接受多个映射然后在逻辑上使它们表现为一个单独的映射结构.这些映射在字面上并不会合并在一起.相反,ChainMap只是简单地维护一个记录底层映射关系的列表,然后重定义常见的字典操作来扫描这个列表. # example.py # # Example of combining dicts into a chain…
Summary The box-shadow property describes one or more shadow effects as a comma-separated list. It enables you to cast a drop shadow from the frame of almost any element. If aborder-radius is specified on the element with a box shadow, the box shadow…
#! /usr/bin/env python # -*- coding: utf-8 -*- # # graph_tool -- a general graph manipulation python module # # Copyright (C) 2006-2016 Tiago de Paula Peixoto <tiago@skewed.de> # # This program is free software: you can redistribute it and/or modify…