.net - What is a byte[] array? - Stack Overflow
2015年6月28日 · A byte is 8 bits, and an array of byte, is an array of bytes... It really is that simple. The thing to keep in mind is that char and byte are different. In old C style, a char and byte were basically the same thing. In .NET, characters are Unicode and can be anywhere from 8-32 bits per character. This is where encoding comes into play.
java - Byte [] to InputStream or OutputStream - Stack Overflow
2010年1月19日 · so you end up with a byte[]. this could represent any kind of data which may need special types of conversions (character, encrypted, etc). let's pretend you want to write this data as is to a file. firstly you could create a ByteArrayInputStream which is basically a mechanism to supply the bytes to something in sequence.
How do I initialize a byte array in Java? - Stack Overflow
2012年6月26日 · In Java 6, there is a method doing exactly what you want: private static final byte[] CDRIVES = javax.xml.bind.DatatypeConverter.parseHexBinary ...
Why is the range of bytes -128 to 127 in Java? - Stack Overflow
Without getting into two's complement: 2^8 (since a byte is 8 digits and can have 1 of 2 values) = 256, so the most individual values a byte can represent is 256. so, representing the numbers -128 to -1 is half our range. I believe the question here is …
How to convert byte[] to Byte[] and the other way around?
2012年10月17日 · Step back. Look at the bigger picture. You're stuck converting byte[] to Byte[] or vice versa because of Java's strict type casing with something like this. List< Byte> or List<Byte[]> Now you have byte[] and Byte[] and have to convert. This will help. Keep all your byte[]s in a list like this: List<byte[]> instead of List< Byte> or List<Byte[]>.
c# - byte[] to hex string - Stack Overflow
2009年3月8日 · How do I convert a byte[] to a string? Every time I attempt it, I get System.Byte[] instead of the value. Also, how do I get the value in Hex instead of a decimal?
How many characters can you store with 1 byte? - Stack Overflow
2014年1月23日 · I byte per character does not allow for this and in use it is larger often 4 bytes per possible character for all encodings, not just ASCII. The final character may only need a byte to function or be represented on screen, but requires 4 bytes to be located in the rather vast global encoding "works".
c# - Literal suffix for byte in .NET? - Stack Overflow
2011年3月21日 · There is no mention of a literal suffix on the MSDN reference for Byte as well as in the C# 4.0 Language Specification. The only literal suffixes in C# are for integer and real numbers as follows: u = uint l = long ul = ulong f = float m = decimal d = double If you want to use var, you can always cast the byte as in var y = (byte) 5
byte and ambiguous symbol due to using declarations?
2017年7月16日 · It was written in the early 1990s, and used unscoped byte because C++ namespaces were not available. Namespaces appeared about 5 years later. When namespaces were introduced, everything was moved into CryptoPP except byte. According to source code comments, byte remained in global namespace due to "ambiguity with other byte typedefs ...
Is there 'byte' data type in C++? - Stack Overflow
2023年8月28日 · namespace std { // define std::byte enum class byte : unsigned char {}; }; This if your C++ version does not have std::byte will define a byte type in namespace std. Normally you don't want to add things to std, but in this case it is a standard thing that is missing. std::byte from the STL does much more operations.