Howard Lee Cloud

軟體工程 Put javascript codes at last part of body area in normal situations | 將Javascript code放在body標籤最後

By Howard Lee 01 February 2016

I learn a lesson that putting javascript codes/files into last part of body area in normal situations because javascript codes can actually access DOM in body tag area. If I put them in header area of html file, it won’t work as I expect. According to my friends' explanations, it runs first before the body renders complete in normal scenarios. I learn the lesson when I was trying to generate

軟體工程 Capistrano 3不再支援從本機git repo部署到遠端機器

By Howard Lee 29 January 2016

因為想要用 Capistrano 3 從本機的 git Rails repo，直接部署到遠端機器上，不想要經過 GitHub.com 和 BitBucket 這類網站。找了很久網路上的說明和軟體原始碼，發現 Capistrano 3 已經不支援這樣

軟體工程 Remove sensitive information from your git repository | 從Git 專案移除掉敏感資訊

By Howard Lee 29 January 2016

If you accidently add sensitive information to your repository like password and detailed configurations, you should use follow command to remove them from the repository. More than that, you should change sensitive information for remote machines with your colleagues. Substitute names of other files you want with below text within background color is gray. 如果你不小心放入敏感資訊到你的G

軟體工程 Grape-rails-routes gem的使用疑問

By Howard Lee 23 January 2016

It’s handy to use Grape-rails-routes gem. But I have a question about that. Why should I need to open the routing page localhost:3000/rails/info/routes_with_grape of grape-rails-routes gem first after I launching rails service and before using OAuth clients? If I don’t do this, my Oauth clients can’t access API services even access tokens in my clients are valid. README.markdown of Grape-rails-routes doesn’t mention that. Until now, I still find no answer

軟體工程 Update values of variables of gon gem with pagination

By Howard Lee 22 January 2016

Situation: When I clicking a next-page link for changing content of current page, the chart drawed by C3js doesn’t update with new data. 問題發生情況：當我按下網頁內容中的下一頁連結，網頁的折線圖並沒有跟著新資料重新繪製。 Environment: A rails app with

軟體工程 Using C3js to generate what simple charts you want 用C3js產生網頁簡易圖表

By Howard Lee 22 January 2016

C3js is easier than D3js for beginners who want to generate simple charts such as line ones, …,etc.. C3js relys on D3js so you must include D3js first in your web app before you start to use C3js. In the other words, you should include C3js and D3js into a web app. 因為尋找可以在網頁上更好呈現資訊內容

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