這一兩個月來，一直在看 Arduino 的相關資料，終於有一個 "勘用" 的東西... It's been a month a or two that I have been studying Arduino related information. Finally, I came up with a useful c...
P.S: This tutorial was written back in 2014 and here is the English version. I just started to learn Arduino and found out its IDE is not best one available; th...
Test out 20 x 4 LCD with my RFduino Since RFduino pin definitions are different than that of other Arduinos, it took me really long time to figure out these pin...
Many of you might encounter the error message while adding Android OS support into your Cordova project: [Error: Please install Android target 17 (the Android 4...
PHP 以 UTF-8寫入 ORACLE 變亂碼(2007-3-8) When you encountered Error "ORA-12705: Cannot access NLS data files or invalid environment specified" or Your write UTF-8 int...
我試著以 PHP 連上 Oracle DB 許久, 都不能成功... :( Error: ORA-12541 listener not found! 今天終於試成功了! 我把這些過程寫下, 希望對你有點幫助! Make sure that Linux environment have following variabl...
ＭySQL 由 4.x 升級到 MySQL 5.x 上出現有關 Left Join 的問題時, 可以下列方法來解決。 Select 句子有一個 Left Join 時: 1. 在 From 後面加上一個 ( 2. 在 Left join 前加上一個 ) Select 句子有兩個 Left Join 時: 1. 在 Fr...
