然後我第二天就不用去上班了….. 語音輸入 I hate you !!
Monthly Archives: November 2019
the IPV4 address numbers are dry – IPv4 位址 全部用完了！
RIPE NCC, the European Internet Registry, announced that it had allocated its last batch of previously unallocated IPV4 addresses to an ISP. 這表示IPv6時代正式來臨 ．一般使用者不需要擔心這個問題，網路還是會活得好好的．根據此報導，大部分的ISP 也可藉由交易IPv4 網路地址的方式，或獲取”二手”的IP address , 同時準備好 IPv6環境．IPv6 位址估計可以供人類使用數百年．
Take screenshot and edit it on MacOS
Many ways to take screenshot on MacOS , like :1. command + shift + 3 : take entire screen and save it to your desktop2. command + control + shift + 3 : take a screenshot of your entire screen, saved to your clipboard3. command + shift + 4 :take a screenshot of part of your […]
Change youtube Channel Display name : google brand account
when you get in to youtube , and check your channel , most of us will find the channel name is the same as your google account name. How about if we want other channel name ? we need a google brand account . Check here , most of us there is no brand account […]
WordPress:網頁不適合透過行動裝置瀏覽/Google search console/Mobile friendly
see that? in google mobile bot , the page displayed weired . so , it’s obvious that plugin related : addToany . so , I disable addtoany plugin then go to google search console , try again . Ding Don !! problem resolved ! F.Y.I. another way I solve the problem : change addtoany share […]
Let’s Encrypt/ sslforfree :Error: DNS problem: query timed out looking up CAA
Congratulations ! the worst situation maybe your DNS service provider does not support CAA record . 你的網域 DNS 服務商不支援 CAA記錄設定 . for example : seed.net.tw , as you can see the picture below , there is no CAA record option to configure . 遠傳(新世紀資通) 根本沒有讓你設定CAA紀錄的地方． ok , now you can go to find another DNS […]
JavaScript For Loop
var i;for (i = 0; i < cars.length; i++) { text += cars[i] + “<br>”;}
JavaScript 四捨五入、無條件捨去、無條件進位
Math.round() 四捨五入 Math.round(3.14) // 3Math.round(5.49999) // 5Math.round(5.5) // 6Math.round(“5.50001”) // 6Math.round(-5.49999) // -5Math.round(-5.5) // -5Math.round(-5.50001) // -6 Math.round(18.62645 * 10) / 10 // 18.6Math.round(18.62645 * 100) / 100 // 18.63Math.round(18.62645 * 1000) / 1000 // 18.626 Math.floor() 最大整數 取小於這個數的最大整數 Math.floor(3.14) // 3Math.floor(5.4) // 5Math.floor(-5.4) // -6Math.floor(“-5.5”) // -6 Math.ceil() 最小整數 取大於這個數的最小整數 Math.ceil(3.14) // 4Math.ceil(5.4) // 6Math.ceil(-5.4) // -5Math.ceil(“-5.5”) […]
喝酒不開車的啦
Fixed : Firebase Auth in Cordova lead to a about:blank page on iOS device
Lately , was trying to integrate third party login to cordova app , let’s say twitter . After completing all steps firebase introduced , when run the app and start Oauth with firebase , we got a blank page at the end of process , and never get callback to original app . You can […]