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How to prevent multiple instances of an Activity when it is launched with different Intents
...ion by launcher or manually created home screen icon
Here is a solution (SDK_INT>=11 for notifications) which i belive handle these cases and statusbar notifications also.
Manifest:
<activity
android:name="com.acme.activity.LauncherActivity"
android:noHistory="true">...
REDHAT 6.4 X64下ORACLE 11GR2静默安装 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...
检查一下磁盘空间
中文乱码。解决办法
外观，字符编码改成UTF-8
已经可以正常显示中文了，我们没有单独指定的TMP挂载点，所以剩下的空间都可用做临时文件夹
第二检查软件环境要求
配置IP与主机名对应关...
App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...字——后数；←（回退）：用于从尾部清除后数中的一个字符；±（相反数）：用于求相反数，如果后数不为0，则运算对后数生效，如果后数为0且前数不为0，则对前数生效；也可以理解为对屏幕上显示的数生效；
二、功能描...
How do you use NSAttributedString?
... little about the NSAttributedString which was introduced with the iPad SDK 3.2 (or around 3.2) and is available on the iPhone as of iPhone SDK 4.0 beta .
...
The quest for the Excel custom function tooltip
...n-us/library/office/bb687861.aspx
How you develop the XLL?
Excel XLL SDK with Visual C++ (or anything that can compile a DLL and call the SDK procedures)
Where I can find a quick guide for creating a simple XLL?
http://support.microsoft.com/kb/178474
How I get tooltips?
Implement you...
Storing custom objects in an NSMutableArray in NSUserDefaults
...
See "Why NSUserDefaults failed to save NSMutableDictionary in iPhone SDK?
" (Why NSUserDefaults failed to save NSMutableDictionary in iPhone SDK?)
If you want to (de)serialize custom objects, you have to provide the functions to (de)serialize the data (NSCoding protocol). The solution you r...
Android : Check whether the phone is dual SIM
... am able to read both the IMEI's from OnePlus 2 Phone
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
TelephonyManager manager = (TelephonyManager) getActivity().getSystemService(Context.TELEPHONY_SERVICE);
Log.i(TAG, "Single or Dual Sim " + manager.getPho...
我就这么想到了C# - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
我就这么想到了C#今天一位同事问我新建文件夹的时候，能不能包含 字符于是，我就想到了C#。今天一位同事问我新建文件夹的时候，能不能包含“#”字符
于是，我就想到了C#。
C# .net
fstream默认不支持中文路径和输出整数带逗号的解决办法 - C/C++ - 清泛网 -...
...文件时，希望不要写入逗号。一个办法是现将整数转换为字符串再进行输出，如：
int i = 123456789;
char ch[20];
sprintf((char *)&ch, "%d", i); //整数数据转换为字符数组。
outfile << "i = " << ch << '/n'; //输出不带逗号
上述问题的解...
Linux Shell中 if else及大于、小于、等于逻辑表达式写法 - C/C++ - 清泛网...
...法本文简要介绍Linux Shell if条件测试语句的写法，如比较字符串、判断文件是否存在及是否可读等，通常用 "[] "来表示条件测试。注意：if [ xxx ] 表达式前后都要有空格。这里的空格很重要，笔者就曾因为空格缺少...