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
JavaScript POST方式打开新窗口
openWindowWithPost(url, { a: "1", b: 2, }); function openWindowWithPost(url, data) { var form = document.createElement("form"); form.target = "UserInfo"; form.method = "POST"; form.action = url; for (var key in data) { var input = document.createElement("input"); input.type = "hidden"; input.name = key; input.value = data[key]; form.appendChild(input); } document.body.appendChild(form); window.open('', 'UserInfo',"width=1000,height=550,left=100,top=100"); form.submit(); document.body.removeChild(form); } reference javascript-open-new-window-posting-parameters Window.open and pass parameters by post method How to Filter or Map Nodelists with JavaScript?