使用xrandr工具 1、 xrandr--newmode"1920x1080_60.00"173.0019202048224825761080108310881120-hsync+vsync 2、 xrandr--addmodeVirtual1"1920x1080_60.00"Virtual1为显示器名称 3、 然后系统设置,显示。里面就有19201080选项了
sudopacman-Swqy-bitmapfontsudopacman-Swqy-zenhei 不用注销重启,终端字形恢复正常
http://blog.51cto.com/xiaogongju/2084464
我的Centos网卡默认是ens33 第一步: -scripts/ifcfg-eth0 第二步: 只需要将最后一项: no改成yes 保存退出 第三步: 重启网卡服务: .d/networkrestart ifconfig只有,就会显示出ipv4。
1.下载flutterSDK https://flutter.cn/docs/development/tools/sdk/releases?tab=macos解压安装 2.配置环境变量 在.zshrc或者.bash_profile中添加以下路径exportPATH=“$PATH:pwd/flutter/bin” exportPATH="$PATH:/user/development/flutter/bin"exportPATH="$PATH:/user/development/flutter/bin/cache/dart-sdk/bin"exportPUB_HOSTED_URL...
CentOS6关闭防火墙使用以下命令, //临时关闭 serviceiptablesstop//禁止开机启动chkconfigiptablesoff CentOS7中若使用同样的命令会报错, stopiptables.serviceFailedtostopiptables.service:Unitiptables.servicenotloaded. 这是因为CentOS7版本后防火墙默认使用firewalld,因此在CentOS7中关闭防火墙使用以下命令, //临时关闭systemctlstopfirewalld//禁止开机启动systemctldisablef...
前几天,我的阿里云服务器被挖矿了。在删除病毒脚本之后,发现有个文件,我用root用户,无权限删除。 这时候,就要引入两个命令lsattrchattr lsattryilu/work/xig发现有i所以要干掉i才能删除chattr-iyilu/work/xig/xigrm-rfyilu/work/xig删除成功
//gettheclientconstmysql=require('mysql2');//createtheconnectiontodatabaseconstconnection=mysql.createConnection({host:'localhost',user:'root',password:'root',database:'test'});//simplequeryconnection.query('SELECTFROM`user`',function(err,results,){console.log(results);//resultscontainsrowsretur...
开启防火墙 systemctlstartSuSEfirewall2 查看状态 systemctlstopSuSEfirewall2 关闭状态 systemctlstopSuSEfirewall2
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constfs=require('fs');letarr=[1,2,3,'abc']fs.writeFile("url.js",'letarticleUrlList='+JSON.stringify(arr),err=>{if(!err)console.log("success");}); urls.js letarticleUrlList=[1,2,3,"abc"]
//.h pragmaonce include<iostream> usingnamespacestd; classPeople { private: intage; stringname; public: stringgetName(); voidsetName(conststring_name); intgetAge(); voidsetAge(constint_age); voidprintPeopleInfo(); People(); People(string_name,int_age); People(); }; include"Peo...
constaxios=require('axios') //constcheerio=require('cheerio') consturl=require('url') constmysql=require('mysql2') constGEN_URL=(query={})=>{ returnurl.format({ protocol:'https', hostname:'api.mdnice.com', pathname:'/writings', query }) } asyncfunctionsleep(t){ returnnewPromise((...
ofstreamofs; ofs.open("d:/test123.txt",ios::out); ofs<<"helloworld\n"; ofs<<"helloworld1\n"; ofs.close(); ifstreamifs; ifs.open("d:/test123.txt",ios::in); if(!ifs.is_open()){ cout<<"文件打开失败"<<endl; } //读文件 //1 /charbuf[1024]={0}; while(ifs>>buf){ cout<<buf<...
constBignumber=require('bignumber.js') // console.log(`origin:9.03100=${9.03100}`) // console.log(`bignumberhandleafter:9.03100=${Bignumber(9.03).times(Bignumber(100))}`) / ResultConsoleLog: origin:9.03100=902.9999999999999 bignumberhandleafter:9.03100=903 /