格言摘录
Those who cannot remember the past are condemned to repeat it. by George Santayana Those who do not move, do not notice their chains. by Rosa Luxemburg History without discomfort is propaganda. by https://mastodon.social/@ned@mstdn.ca/110900050265409017 Living is more a question of what one spends than what one makes. by Marcel Duchamp 刀を鳥に加えて、鳥の血に悲しめども、魚に
Ubuntu 20.04下tracker-miner-fs进程占用大量内存和cpu
systemctl --user mask tracker-store.service tracker-miner-fs.service tracker-miner-rss.service tracker-extract.service tracker-miner-apps.service tracker-writeback.service tracker reset --hard sudo reboot reference Tracker process taking lot of CPU
java删除文件夹
// use spring FileSystemUtils.deleteRecursively(file); // java 8 Files.walk(path) .sorted(Comparator.reverseOrder()) .map(Path::toFile) .forEach(File::delete); reference Delete a Directory Recursively in Java | Baeldung
Chrome中运行&保存JS代码
F12 -> Sources -> Snippets -> new snippet可新建代码片段，创建完成后右键运行即可 reference Run snippets of JavaScript
JS库使用问题汇总
html2canvas 使html2canvas 在ie11中工作 <script src="https://cdn.jsdelivr.net/npm/promise-polyfill@8/dist/polyfill.min.js"></script> html2canvas 在ie11中渲染出不明色块 html2canvas(document.querySelector('#preview_modal'), { allowTaint: false, useCORS: true, scale: 2, }) 使用 html2canvas 生成图片在新tab打开 var image = new Image(); image.src = canvas.toDataURL(); var wImage
菜谱
空气炸锅菜谱 烤红薯 160℃ x 45min 半成品鸡块 200℃ x 10min 烤鸡翅根 刀背拍打后腌制几个小时（一夜也可以），配料如下 十三香 蒜末 盐 植物油 160℃ x 10min 花菜
工作笔记2016-2021
停止网页重定向 window.addEventListener("beforeunload", () => { debugger; }, false); JS转换字符为UNICODE escape("转换字符").replace(/%/g, "\\").toLowerCase(); // 十进制u
ubuntu使用技巧
为命令行配置代理 # 注意代理要是http代理，sock代理是不行的 export HTTP_PROXY='127.0.0.1:1086' export HTTPS_PROXY='127.0.0.1:1086' 把desktop文件的程序固定到任务栏 复制desktop文件到~/.
使用命令行上传文件到共享网站file.io
在~/.bashrc最后添加下面脚本 upload () { if [ $# = 1 -o $# = 2 ];then if [ -f "$1" ];then if [ $# = 1 ];then curl -F "file=@$1" https://file.io/ --no-progress-meter | grep -Eo "http|https://[a-zA-Z0-9./?=_%:-]*";else if [[ "$2" =~ ^[1-9]+[wmy]$ ]];then curl -F "file=@$1" https://file.io/\?expires=$2 --no-progress-meter | grep -Eo "http|https://[a-zA-Z0-9./?=_%:-]*";else echo $'Wrong expiration format.\neg.
Spring开发memo
解密Jasypt密文 开发中遇到一些配置的密文，有解密的需要 AES256TextEncryptor encryptor = new AES256TextEncryptor(); encryptor.setPassword("some_salt"); String plainText = encryptor.decrypt(myEncryptedText); System.out.println("Decrypted: "+plainText); winmerge 除外特定文件或文件夹 进入 Tools | Filters… | Filefilters选