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1.psql: 无法联接到服务器: Connection refused 原因之一是服务器没启动。解决:启动服务器执行pg_ctl start 2.安装postgresql后找不到服务 postgresql service pg_ctl.exe register -N PostgreSQL -D C 阅读全文
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环境: Ubuntu 16.04 java version "1.8.0_231" 配置/etc/sudoers这个文件,sudo vim /etc/sudoers 只读,编辑需要使用sudo sudoers 在Defaults secure_path="/usr/local/sbin:/usr/l 阅读全文
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1.Makefile mkdir -p build/{bin/,certs/,db/,scripts/,log/} Linux command:mkdir -p build/{bin,certs,db,scripts,log} 2.sudo apt-get install ubuntu常见错误--C 阅读全文
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1. abigen 参考文档(Native DApps: Go bindings to Ethereum contracts) abigen --sol token.sol --pkg token --lang go --out token.goTrying to bind solidity wit 阅读全文
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error: npm ERR! code ELIFECYCLE npm ERR! errno 1 npm ERR! sha3@1.2.0 install: `node-gyp rebuild` npm ERR! Exit status 1 npm ERR! npm ERR! Failed at th 阅读全文
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1. pip3 ''' pip3 install --upgrade pip sudo apt-get install python3-setuptools pip3 install --upgrade pip Traceback (most recent call last): File "/us 阅读全文
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开发问题: How to find out which types implement which interface in Golang? How do you quickly find the implementation(s) of an interface in Golang? Ctrl + 阅读全文
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Ubuntu配置apacemacs: 下载emacs-25.3.tar.gztar zxf emacs-25.3.tar.gzcd emacs-25.3执行./configure命令出现如下错误:'''shellconfigure: error: You seem to be running X, 阅读全文