大约有 2,253 项符合查询结果（耗时：0.0183秒） [XML]
Signed versus Unsigned Integers
...es, you could do:
i = ((int) b[j]) << 8 | b[j+1]
(should probably cast the 2nd byte, but I'm guessing the compiler will do the right thing)
With signed values you would have to worry about sign extension and do:
i = (((int) b[i]) & 0xFF) << 8 | ((int) b[i+1]) & 0xFF
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How to Programmatically Add Views to Views
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As a coding practice, on findViewById, cast to ViewGroup or always the most generic form of an object so that if it changes from a LinearLayout to a RelativeLayout, you have no refactoring.
– Joel Teply
Apr 3 '15 at 16:59
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Convert a byte array to integer in Java and vice versa
...y. Before you performing & operation on byte with 0xFF (int), JVM will cast the byte to int with 1 extended or 0 extended according the the leading bit first. There's no unsigned byte in Java, bytes are always signed.
– Nier
Mar 24 '16 at 3:35
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How to check edittext's text is email address or not?
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String implements CharSequence so I think the cast from email to inputStr is redundant.
– nuala
Aug 2 '12 at 15:11
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Why does Stream not implement Iterable?
... ...
}
(Run this snippet here)
(This uses a Java 8 functional interface cast.)
(This is covered in some of the comments above (e.g. Aleksandr Dubinsky), but I wanted to pull it out into an answer to make it more visible.)
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How can I convert a string to boolean in JavaScript?
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BTW, for 1 or 0 it should also cast for false or true
– Miguel
Mar 9 '18 at 18:12
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How to pass values between Fragments
... mCallback = (OnImageClickListener) context;
}
catch (ClassCastException e)
{
throw new ClassCastException(context.toString()+ " must implement OnImageClickListener");
}
}
public View onCreateView(LayoutInflater inflater, ViewGroup container,...
How to make a select with array contains value clause in psql
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And this also prevents me from needing to cast to varchar, as in s @> ARRAY['constant'::varchar], shorter.
– Andrew Backer
Jul 4 '17 at 15:34
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How to detect unused methods and #import in Objective-C
...where your dynamic code might be better served by being more strongly type-cast (i.e. return something instead of an id). Runtime typing is a strong point of Cocoa/Objective-C programming, but sometimes maintenance and readability would be better served by thinking more about strong typing.
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Update MongoDB field using value of another field
...lection or create a new one. Also for update operations that require "type casting" you will need client side processing, and depending on the operation, you may need to use the find() method instead of the .aggreate() method.
MongoDB 3.2 and 3.0
The way we do this is by $projecting our documents ...