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Convert a string representation of a hex dump to a byte array using Java?

... looking for a way to convert a long string (from a dump), that represents hex values into a byte array. 24 Answers ...
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How to convert decimal to hexadecimal in JavaScript

How do you convert decimal values to their hexadecimal equivalent in JavaScript? 27 Answers ...
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How should I store GUID in MySQL tables?

...$Data = REPLACE($Data,'-',''); SET $Result = CONCAT( UNHEX(SUBSTRING($Data,7,2)), UNHEX(SUBSTRING($Data,5,2)), UNHEX(SUBSTRING($Data,3,2)), UNHEX(SUBSTRING($Data,1,2)), UNHEX(SUBSTRING($Data,11,2)),UNHEX(SUBSTRING($Data,9,2)), ...
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printf() formatting for hex

... more of a curious query than an important question, but why when printing hex as an 8 digit number with leading zeros, does this %#08X Not display the same result as 0x%08X ? ...
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Can I use a binary literal in C or C++?

...gned short b = BOOST_BINARY( 10010 ); char buf[sizeof(b)*8+1]; printf("hex: %04x, dec: %u, oct: %06o, bin: %16s\n", b, b, b, itoa(b, buf, 2)); cout << setfill('0') << "hex: " << hex << setw(4) << b << ", " << "dec: " << dec << b &lt...
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What is the difference between shallow copy, deepcopy and normal assignment operation?

...o destination e.g: >>> i = [1,2,3] >>> j=i >>> hex(id(i)), hex(id(j)) >>> ('0x10296f908', '0x10296f908') #Both addresses are identical Now i and j technically refers to same list. Both i and j have same memory address. Any updation to either of them will be ref...
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Java String to SHA1

...ache Commons Codec (version 1.7+) to do this job for you. DigestUtils.sha1Hex(stringToConvertToSHexRepresentation) Thanks to @Jon Onstott for this suggestion. Old Answer Convert your Byte Array to Hex String. Real's How To tells you how. return byteArrayToHexString(md.digest(convertme)) and ...
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How to convert UTF-8 byte[] to string?

...ts b4b5dfe475e58b67 public static class Ext { public static string ToHexString(this byte[] hex) { if (hex == null) return null; if (hex.Length == 0) return string.Empty; var s = new StringBuilder(); foreach (byte b in hex) { s.Append(b.ToString(...
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Most lightweight way to create a random string and a random hexadecimal number

... I got a faster one for the hex output. Using the same t1 and t2 as above: >>> t1 = timeit.Timer("''.join(random.choice('0123456789abcdef') for n in xrange(30))", "import random") >>> t2 = timeit.Timer("binascii.b2a_hex(os.urandom(15...
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How to hash some string with sha256 in Java?

...a, and if you want to represent that in a string, you should use base64 or hex... don't try to use the String(byte[], String) constructor. e.g. MessageDigest digest = MessageDigest.getInstance("SHA-256"); byte[] hash = digest.digest(text.getBytes(StandardCharsets.UTF_8)); ...