require './ex25' can't load such file 在练习learn ruby the hard way时候,第25题,发生了一下错误 LoadError: cannot load such file -- ./ex25 from /Users/yutu04/.rvm/rubies/ruby-2.2.0/lib/ruby/site_ruby/2.2.0/rubygems/core_ext/kernel_require.rb:54:in `require' from /Us…

报错如下: /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require': cannot load such file -- redis (LoadError) from /usr/lib/ruby/1.9.1/rubygems/custom_require.rb:36:in `require' from /opt/cluster_test/redis-unstable/src/redis-trib.rb:25:in `<main>…

报错信息: /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:55:in `require': cannot load such file -- redis (LoadError) from /usr/share/rubygems/rubygems/core_ext/kernel_require.rb:55:in `require' from ./redis-trib.rb:25:in `<main>' 问题描述: 今天在搭建red…

/usr/local/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- sequel (LoadError) from /usr/local/lib/ruby/site_ruby/2.1.0/rubygems/core_ext/kernel_require.rb:54:in `require' from dna_in.rb:2:in `<ma…

装完rails后创建应用程序: rails new demo 进入创建的demo文件夹 cd demo 检查安装环境 rake about 这时出现错误 Could not find a JavaScript runtime. See https://github.com/sstephenson/execjs for a list of available runtimes. 解决办法: 引用两个gem:execjs和therubyracer,在应用跟目录下的GemFile中添加: gem ‘e…

问题描述: 在执行redis-trib.rb命令查看集群状态的时候,报错: [aiprd@hadoop1 ~]$ redis-trib.rb check Traceback (most recent call last): : from /home/aiprd/softwares/redis-/src/redis-trib.rb::in `<main>' : from /home/aiprd/app/ruby-/lib/ruby//rubygems/core_ext/kernel_requir…

[test@localhost usr]$ /usr/local/ruby/bin/gem install bundler ERROR: Loading command: install (LoadError) cannot load such file -- openssl ERROR: While executing gem ... (NoMethodError) undefined method `invoke_with_build_args' for nil:NilClass 在用源码安…

Python load json file with UTF-8 BOM header - Stack Overflow 3 down vote Since json.load(stream) uses json.loads(stream.read()) under the hood, it won't be that bad to write a small hepler function that lstrips the BOM: from codecs import BOM_UTF8 de…

Unable to load template file 'rj\ThinkPHP/Tpl/dispatch_jump.tpl'----thinkphp3.2.3 1.报错原因:将thinkphp默认模板引擎改为smarty模板引擎,导致调用success()和error()方法失败. 2.解决方案一: 找到ThinkPHP\Library\Think\Controller.class.PHP文件中的protected function error()和protected function su…

使用MySQL的SELECT INTO OUTFILE .Load data file LOAD DATA INFILE语句从一个文本文件中以很高的速度读入一个表中.当用户一前一后地使用SELECT ... INTO OUTFILE 和LOAD DATA INFILE 将数据从一个数据库写到一个文件中,然后再从文件中将它读入数据库中时,两个命令的字段和行处理选项必须匹配.否则,LOAD DATA INFILE 将不能正确地解释文件内容. 假设用户使用SELECT ... INTO OUTFILE…