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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 ...
VideoRecorder 拓展：前台预览录制 + 后台无预览录制，支持分辨率、码率设...
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VideoRecorder 方法
BackgroundVideoRecorder 方法
编码参数参考
码率对照表（BitRate）
Quality 预设值
注意事项
问题解决历程
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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)),
...
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 ?
...
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 <...
How do I parse JSON with Objective-C?
...ndle] pathForResource:@"index" ofType:@"json"];
//将文件内容读取到字符串中，注意编码NSUTF8StringEncoding 防止乱码，
NSString* jsonString = [[NSString alloc] initWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil];
//将字符串写到缓冲区。
NSData* jsonData...
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...
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 ...