Category: Web

cipher /w 命令清楚彻底清除磁盘删除文件

当你要把自己用过的电脑在咸鱼上卖掉或送给他人时，为防止个人敏感信息泄露，最好先把磁盘被删除的文件彻底清除，使其永远无法恢复。 以下命令将使D盘上所有已被删除的文件无法恢复。 cipher /w:D 其中 D 就是要操作的盘符。执行此操作时间较长，他的原理就是在磁盘上反复写一个特别大的文件，覆盖空闲磁盘空间。 Ctrl+C可以中断该命令，中断该命令时需手动删除 cipher创建的文件，否则它会占用磁盘的较大磁盘空间。

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free logo maker

https://www.designfreelogoonline.com/logoshop/design-free-logo-3d-abstract-logo-template/ 可以导出svg, 用文本编辑器打开文件,把里面相关的版权图片删除, 即可得到一个无码的 SVG LOGO https://logotypemaker.com/home/brands

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Google Clould Storage

前置： 存在Google Clould 账号和 Google Clould项目 1. 创建应用程序 2. 配置IAM权限 3. 创建bucket 4. 上传文件测试 5. 公开文件 添加 allUsers权限 创建项目 其他 Bucket is requester pays bucket but no user project provided 把Bucket 的 Requester Pays 改为false即可 Insufficient Permission

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CURL 用法

curl http://www.geeksforgeeks.org Post Json数据 curl -H “Content-Type:application/json” -H “Data_Type:msg” -X POST –data ‘{“text”: “Hello world”}’ http://127.0.0.1:8000/tts 下载,显示进度 curl -o hello.zip ftp://speedtest.tele2.net/1MB.zip 参考： https://www.geeksforgeeks.org/curl-command-in-linux-with-examples/ https://www.cnblogs.com/hujiapeng/p/8470099.html

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Git项目初始化

Command line instructions Git global setup git config –global user.name “HeHe” git config –global user.email “hehe@qq.com” Create a new repository git clone git@gitlab.xxx.com:aaa/bbb.git cd graylog touch README.md git add README.md git commit -m “add README” git push -u origin master Existing folder cd existing_folder git init git remote add origin git@gitlab.xxx.com:aaa/bbb.git git add . git…

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Angular 2.0

Angular2.0 http://angular.io https://angular.cn Installation npm install -g @angular/cli Create Project ng new my-app Start project cd my-app ng serve –open Open in browser open http://localhost:4200 Angular Cli WIKI https://github.com/angular/angular-cli/wiki Angular Cli ng new ng serve ng generate ng lint ng test ng e2e ng build ng get/ng set ng doc ng eject ng xi18n Angular…

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phpstorm setup

Download https://www.jetbrains.com/phpstorm/ PhpStorm 2017.3.4 License Server http://license.topnguyen.net Install Symfony Plugin in PhpStorm Open PhpStorm Menu Perferences -> Plugins -> Browser Repositories Search “Symfony Plugin” Install -> OK Install phpunit6 & Setup wget -O phpunit https://phar.phpunit.de/phpunit-6.phar chmod +x phpunit ./phpunit –version Perferences -> Languages & Framworks -> PHP -> Test Frameworks Click “+” -> “PHPUnit Local”…

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doctrine createQueryBuilder count and not exists

$qb = $this->o->createQueryBuilder(‘o’); $sub = $this->em->createQueryBuilder(); $sub->select(“o.id”); //notice this : cause e.offer is foreign key of o.id $sub->from(ExcludedByOffer::class, “e”); $sub->andWhere(‘e.offer = o.id’) ->andWhere(‘e.aff = :aff’); $qb->select(‘count(o.id)’) ->where(‘o.adv=:adv’) ->andWhere($qb->expr()->not($qb->expr()->exists($sub->getDQL()))) ->setParameters([‘adv’ => $adv, ‘aff’ => $aff ]); return $qb->getQuery()->getSingleScalarResult(); 参考 https://stackoverflow.com/questions/31536137/doctrine-not-exists-subquery/31536545 https://stackoverflow.com/questions/9214471/count-rows-in-doctrine-querybuilder

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