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ruby gem timed out解决
前言 今天在折腾vagrant的时候,发现当我安装vagrant时,需要一些ruby插件。 如果我们没有设置正确的源,就会报time out的错误。 ERROR: While executing gem ... (Gem::RemoteFetcher::UnknownHostError) timed out (https://api.rubygems.org/latest_specs.4.8.gz) 解决 可以ruby gem修改国内镜像源
$ gem sources --remove https://rubygems.org/ $ gem sources -a https://gems.ruby-china.com/ $ gem sources -l 搜索 复制Jekyll 运行的时候提示错误 cannot load such file -- webrick (LoadError)
完整的错误信息如下: LinkChecker: [Warning] done in 13.838 seconds. Auto-regeneration: enabled for 'D:/WorkDir/Repository/GitHub/opensearch/documentation-website' ------------------------------------------------GitHub Pages + Jekyll搭建博客遇到的坑(不定时更新)
1、更改RubyGems为国内镜像源 为了更快的从rubygems上下载东西,把原地址https://rubygems.org/改为国内镜像网址:https://gems.ruby-china.com/ gem sources --add https://gems.ruby-china.com/ --remove https://rubygems.org/2021 打算图书清单
modern-cpp Fundamentals of Computer Graphics Computational Geometry: Algorithms and Applications Physically Based Rendering: From Theory to Implementation Ray Tracing Gems: High-Quality and Real-Time Rendering with DXR and Other APIs Color Imaging: Fundam【数学】矩阵乘法【CF】D. Magic Gems
目录矩阵乘法矩阵乘法的定义矩阵乘法的特殊情形应用实现AcWing 205. 斐波那契其他单位矩阵memcpy函数矩阵乘法的优化 矩阵乘法 矩阵乘法顾名思义,就是将两个矩阵做乘法运算(相当于在矩阵意义下重载乘法运算符?) 矩阵乘法的定义 矩阵A $$\times $$ 矩阵B = 矩阵C \[C_{i,j}=\sum_{k=1GitLab
GitLab 一、描述二、实现的原理三、Gitlab的服务构成四、Gitlab的优点五、安装配置gitlab5.1. 安装依赖包5.2. 启动postfix,并设置开机自启5.3. 设置防火墙5.4. 下载安装gitlab rpm包5.5. 修改配置文件gitlab.rb5.6. 重新加载配置文件5.7. 查看gitlab版本5.8. 测试5.9重置管HDU-5727 Necklace
HDU-5727 Problem Description: SJX has 2*N magic gems. N of them have Yin energy inside while others have Yang energy. SJX wants to make a necklace with these magic gems for his beloved BHB. To avoid making the necklace too Yin or too Yang, he must placegitlab忘记密码
1.进入到gitlab 的ssh命令行 root@03cbecccf5c8:/# 2.登录到Gitlab服务器 root@03cbecccf5c8:/# gitlab-rails console production 如果执行上面的指令提示 Traceback (most recent call last): 8: from bin/rails:4:in `<main>' 7: from bin/rails:4:in `require' 6:Codeforces1117 D. Magic Gems(dp,矩阵快速幂优化)
题意: 解法: d [ i ] 表 示 组gem换源
截止当前(2021-3-23),gem淘宝源不可用,目前可用 https://gems.ruby-china.com/ 1 查看当前源 gem sources 2 换源 gem sources --add https://gems.ruby-china.com/ --remove https://rubygems.org/ 3 刷新源 # 清空源缓存 gem sources -c # 更新源缓存 gem sources -u 4 验证 gemwindows下 实现radis 集群
Windows安装radis集群 简单实现:1.下载radis 地址http://download.csdn.net/detail/qq_36291682/97317892.安装环境支持你 下载ruby http://download.csdn.net/detail/qq_36291682/97306073.安装ruby(1) (2)很遗憾 没有中文不过没关系这个对英文的要求不是很高 (3)当然需要acceptgem install redis-dump 安装失败
Building native extensions. This could take a while...ERROR: Error installing redis-dump: ERROR: Failed to build gem native extension. current directory: /var/lib/gems/2.7.0/gems/yajl-ruby-1.4.1/ext/yajl/usr/bin/ruby2.7 -I /usr/lib/ruby/2.7.0 -r ./si英语-20210226
composition 组成,构成segment 段落gems 宝石retail 零售gamble 打赌competent 胜任fabulous 难以置信的prestigious 有名的gamblers 赌徒speculators 投机者incremental 增长的dividend 股利criteria 标准pandemic 瘟疫2020-12-21
While executing gem … (Errno::EACCES) Permission denied @ rb_sysopen - /Us 在安装cocopods时候在网上找了很多文章都是大同小异,但是发现按照步骤一步步操作的时候还是难免出现这样那样的问题,很是蛋疼。 gem sources --remove https://rubygems.org/ gem sources --addvagrant,在启动虚拟机的时候报错io.rb:32:in `encode': incomplete "\xC8" on GBK (Encoding::Invalid
描述: 这几天在windows环境上,部署了vagrant,在启动虚拟机的时候报错: 解决过程: 找了好久,都没有说明白,后来在国外的github上看到了解决的方案。 参考地址:https://github.com/hashicorp/vagrant/issues/9368 参考内容: My Solution With the help of a non vagrant-related SD. Xenia and Colorful Gems(二分)
题目传送门 题意: 给你na个红色糖,nb个绿色糖,nc个蓝色糖,每一块糖都有自己的一个权值,每种颜色拿一个,使得(x-y)2 + (x-z)2 +(y-z)2 尽可能小,x,y,z表示三块糖的权值。 思路: 我们知道选出的三块糖有 x<=y<=z (只看数值,不看颜色) ,那么我们枚举所有糖果,作为中间的这个,然后在另外两种Codeforces Round #635 (Div. 2)D. Xenia and Colorful Gems
传说门 刚好今晚是中国场! 其实这道题比较水,但当时思路错,一心想着化简公式,浪费了好多时间a.a 题意:三个数组,求(x-y)(x-y)+(x-z)(x-z)+(y-z)*(y-z)的最小值 题解:6nlogn,先sort三个数组a,b,c, 六次枚举二分查找,再每次min找最小值,例如:先固定数组a,再在数组b,c中利用lower_bound找Codeforces Round #635 (Div. 2) D-Xenia and Colorful Gems 二分
#include <cstdio> #include <cstring> #include <iostream> #include <algorithm> using namespace std; const int N = 2e5+10; typedef long long ll; ll t, n1, n2, n3; ll a[N], b[N], c[N]; //分别固定一个数 设为a[i] //然后从 b 和 c 中找一个小于等于他的 和 一个大于等Codeforces 1337D Xenia and Colorful Gems
题意 给你3个数组\(a, b\)和\(c\),最小化\((x-y)^2+(y-z)^2+(z-x)^2\),其中\(x \in a, y \in b, z \in c\)。 解题思路 这题其实第一眼就秒了,但是赛中突然不相信自己的直觉,然后就想复杂了。 就很气,本来30min前能过得题被我硬生生拖到了1h+。 解法简单的说,就是固定\(x\),然后分别在\(bXenia and Colorful Gems CodeForces - 1337D[binary search +data structures implementation+ math sorti
Xenia is a girl being born a noble. Due to the inflexibility and harshness of her family, Xenia has to find some ways to amuse herself. snoop dooogg~~~ Recently Xenia has bought nrnr red gems, ngng green gems and nbnb blue gems. Each of the gems has ametaspliot 5.0.66启动时告警信息
metaspliot 5.0.66启动时告警信息 Microsoft Windows [版本 10.0.18363.535](c) 2019 Microsoft Corporation。保留所有权利。 C:\Users\Administrator>msfconsoleC:/metasploit-framework/embedded/lib/ruby/gems/2.6.0/gems/rex-core-0.1.13/lib/rex/compat.rb:376: warning: Wi/usr/local/lib/ruby/gems/2.4.0/gems/cocoapods-1.5.3/lib/cocoapods/command.rb:118:in `git_version
问题及分析 今天做项目的时候,执行pod update报了如下错误信息: /usr/local/lib/ruby/gems/2.4.0/gems/cocoapods-1.5.3/lib/cocoapods/command.rb:118:in git_version': Failed to extract git version fromgit --version("xcrun: error: active developer path (\"/Users/feiwei/安装sass时遇到Failed to build gem native extension
错误信息 执行命令: sudo gem install sass时遇到下面的错误信息 Building native extensions. This could take a while... ERROR: Error installing sass: ERROR: Failed to build gem native extension. current directory: /var/lib/gems/2.5.0/gems/ffi-1.11.1/extwin7环境下,vagrant,在启动虚拟机的时候报错io.rb:32:in `encode': incomplete "\xC8" on GBK (Encoding:
描述: 这几天在windows环境上,部署了vagrant,在启动虚拟机的时候报错: [c:\~]$ vagrant upBringing machine 'default' up with 'virtualbox' provider...==> default: Importing base box 'centos'...==> default: Matching MAC address for NAT networking.