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Android: How can I get the current foreground activity (from a service)?
... answered Oct 6 '10 at 15:06
CommonsWareCommonsWare
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What is reflection and why is it useful?
...ass().getMethod("doSomething", null);
method.invoke(foo, null);
One very common use case in Java is the usage with annotations. JUnit 4, for example, will use reflection to look through your classes for methods tagged with the @Test annotation, and will then call them when running the unit test.
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Select by partial string from a pandas DataFrame
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What is the best way to ensure only one instance of a Bash script is running? [duplicate]
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Why does PHP 5.2+ disallow abstract static class methods?
...an of action? The reason I chose abstract static is that the code wouldn't compile until I've implemented getSelectSQL() in all children.
– Artem Russakovskii
Jun 16 '09 at 0:21
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Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...如：name, age, bGay = "haoel", 37, false, "haoel@hotmail.com"复制代码
上面的代码中，因为只有3个变量，所以第四个值被丢弃。函数也可以返回多个值：function getUserInfo(id)
print(id)
return "haoel", 37, &q...
How to Update Multiple Array Elements in mongodb
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Neil Lunn stackoverflow.com/a/46054172/337401 answered this for version 3.6. Since this is a popular question it might be worth while to update this accepted answer with a referral to the answer by Neil Lunn.
– Jaap
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Detect iPad Mini in HTML5
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Play a stereo audio file and compare the accelerometer response when volume is high on the right channel and on the left channel - iPad2 had mono speakers whereas iPad Mini has built-in stereo speakers.
Need your help to gather the data please visit thi...
Refreshing OAuth token using Retrofit without modifying all calls
We are using Retrofit in our Android app, to communicate with an OAuth2 secured server. Everything works great, we use the RequestInterceptor to include the access token with each call.
However there will be times, when the access token will expire, and the token needs to be refreshed. When the toke...
byte[] to hex string [duplicate]
...ta).Replace("-", string.Empty);
Result: 010204081020
If you want a more compact representation, you can use Base64:
string base64 = Convert.ToBase64String(data);
Result: AQIECBAg
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