大约有 770 项符合查询结果（耗时：0.0191秒） [XML]
Write bytes to file
I have a hexadecimal string (e.g 0CFE9E69271557822FE715A8B3E564BE ) and I want to write it to a file as bytes. For example,
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Convert hex string to int
I am trying to convert a string that is 8 characters long of hex code into an integer so that I can do int comparison instead of string comparisons over a lot of different values.
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Hex representation of a color with alpha channel?
...teworthy standard on how to represent a color (including alpha channel) in hex format?
5 Answers
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best practice to generate random token for forgot password
...ccount)
So, the code will be as follows:
//$length = 78 etc
$token = bin2hex(random_bytes($length));
Update: previous versions of this answer was referring to uniqid() and that is incorrect if there is a matter of security and not only uniqueness. uniqid() is essentially just microtime() with ...
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 <...
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...