how to mirror videos

 from   https://www.flexclip.com/tw/learn/how-to-mirror-a-video.html

PDF embed in html page

 reference from https://forum.blocsapp.com/t/pdf-embed-in-html-page/9916/1

===========

<style>

.embed-responsive-210by297 {

  padding-bottom: 141.42%;

}

</style>

<div class="embed-responsive embed-responsive-210by297">

<iframe class="embed-responsive-item" src="https://MY_PDF_URL_GOES_HERE"></iframe>

</div>

===========

If you’re using a different paper size, divide the width by the height and you get the padding % you need. eg. A4 is 210 / 297 * 100 = 141.42 %

win10不能選字 按下方向鍵不能選字

 click here 

QuDedup

 如果您不希望未來的備份為 .qdff 格式，可以刪除現有的備份工作，並建立停用 QuDedup 與版本管理的新備份工作。

from https://www.qnap.com/zh-tw/how-to/faq/article/%E7%82%BA%E4%BB%80%E9%BA%BC%E5%8D%B3%E4%BD%BF%E5%81%9C%E7%94%A8-qudeduphbs-%E4%B9%9F%E6%9C%83%E4%BB%A5-qdff-%E6%A0%BC%E5%BC%8F%E5%82%99%E4%BB%BD%E5%88%B0%E9%9B%B2%E7%AB%AF