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How to return multiple objects from a Java method?
...pressWarnings("unchecked")
public static <P, Q> Pair<P, Q> cast(Pair<?, ?> pair, Class<P> pClass, Class<Q> qClass) {
if (pair.isInstance(pClass, qClass)) {
return (Pair<P, Q>) pair;
}
throw new ClassCastException();
}...
The cast to value type 'Int32' failed because the materialized value is null
...D == userID
select (int?)ch.Amount).Sum() ?? 0;
This first casts to int? to tell the C# compiler that this expression can indeed return null, even though Sum() returns an int. Then we use the normal ?? operator to handle the null case.
Based on this answer, I wrote a blog post with ...
Compare DATETIME and DATE ignoring time portion
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Use the CAST to the new DATE data type in SQL Server 2008 to compare just the date portion:
IF CAST(DateField1 AS DATE) = CAST(DateField2 AS DATE)
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How do I convert from int to Long in Java?
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Note that there is a difference between a cast to long and a cast to Long. If you cast to long (a primitive value) then it should be automatically boxed to a Long (the reference type that wraps it).
You could alternatively use new to create an instance of Long, init...
Where is debug.keystore in Android Studio
... need to enable google+ api, so I need the debug.keystore . I switched to Android Studio and do not know where it is. I can find it in eclipse at path ~/.android/debug.keystore.
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OceanBase使用libeasy原理源码分析：服务器端 - 数据库(内核) - 清泛网 - ...
OceanBase使用libeasy原理源码分析：服务器端libeasy是个网络框架，这个网络框架基于事件驱动模型，libeasy可以有多个网络I O线程，每个网络I O线程一个event loop，事件驱动模型基于开源的libev实现。我认为，libeasy不同于 libeasy是个...
Is there any way to post events to Google Analytics via server-side API? [closed]
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It is now possible (and easy) to track Analytics data from the server-side. With the launch of Universal Analytics, you can now use the Measurement Protocol to post data to the GA servers.
Code samples here
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Cast Int to enum in Java
What is the correct way to cast an Int to an enum in Java given the following enum?
17 Answers
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Why can I type alias functions and use them without casting?
...hat clarifies the type lark a little for someone else! And means much less casting than I at first thought :)
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How to print VARCHAR(MAX) using Print Statement?
... worked.
DECLARE @info NVARCHAR(MAX)
--SET @info to something big
PRINT CAST(@info AS NTEXT)
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