【App Store】＋ on App

The + symbol in the front of Apps in App Store indicate that

the application is a universal app, which means that the app is

designed for both the iPhone and the iPad.

You just pay one time then can download in iPhone and iPad.

【C#】Truncate the string

當字串太長時，若要擷取某一部份的字串時，通常會使用
String.substring(int32 a, int32 b)方法，從第
a個位置開始，取得長度為6的字串。
但若是中英夾雜的字串，用此方法可能會擷到中文字的一
字元，此時就需另一個判斷方式。

string str = "I'am 中文字";
int maxLength = 8; //擷取長度為7byte的字串
string result='';
int count = 0;
foreach(char a in str)
{
     counter = counter+ System.Text.Encoding.GetEncodeing("Big5").GetBytes(str.ToString()).Length;
     if(count <= maxLength)
     {
            result = result + a;
     }
     else
     {
            break;
     }
}
System.Writeline(result+"...");