JSP – Checking if a file exists. 這個 sample code 滿簡單的: ServletContext app = getServletCon Read More 2018-01-04
Android 7.0: install .apk 最後是試出來了,中間有幾個問題,就是安裝是從內部 cache dir 會有問題,安裝程式會顯示: there Read More 2018-01-01
android broadcastreceiver 範例 看了下面這幾篇,就完全通了,完全可以在activity & service 之間互傳資料。 http: Read More 2017-12-29
How to get client Ip Address in Java Servlet Try this one, String ipAddress = request.getHeader(“X-F Read More 2017-12-07