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How can one print a size_t variable portably using the printf family?
...u\n", x); // prints as unsigned decimal
printf("%zx\n", x); // prints as hex
printf("%zd\n", y); // prints as signed decimal
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Creating Unicode character from its number
...emember that the escape sequences in Java source code (the \u bits) are in HEX, so if you're trying to reproduce an escape sequence, you'll need something like int c = 0x2202.
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What is the difference between UTF-8 and Unicode?
...0xxxxxxx 7 007F hex (127)
110xxxxx 10xxxxxx (5+6)=11 07FF hex (2047)
1110xxxx 10xxxxxx 10xxxxxx (4+6+6)=16 FFFF hex (65535)
11110xxx 10xxxxxx 10xxxxxx 10xxxx...
Version vs build in Xcode
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To increment In Hex numbers you can use buildNumber=$(/usr/libexec/PlistBuddy -c "Print CFBundleVersion" "$INFOPLIST_FILE") dec=$((0x$buildNumber)) buildNumber=$(($dec + 1)) hex=$(printf "%X" $buildNumber) /usr/libexec/PlistBuddy -c "Set :CF...
How do shift operators work in Java? [duplicate]
...the right. For example, the following program converts a byte value to its hexadecimal string representation. Notice that the shifted value is masked by ANDing it with 0x0f to discard any sign-extended bits so that the value can be used as an index into the array of hexadecimal characters.
// Maski...
Best way to create unique token in Rails?
...vitations. This produces a 40 character alphanumeric string.
Digest::SHA1.hexdigest([Time.now, rand].join)
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Convert line-endings for whole directory tree (Git)
...er ones
sfk join - join small files into a large one
sfk hexdump - create hexdump from a binary file
sfk hextobin - convert hex data to binary
sfk hex - convert decimal number(s) to hex
sfk dec - convert hex number(s) to decimal
sfk chars ...
How do I give text or an image a transparent background using CSS?
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is it possible to do this with hex colors? Like #fff ?
– grm
Jul 13 '11 at 22:32
37
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Simple (non-secure) hash function for JavaScript? [duplicate]
...n passed a string as input, produces something similar to the 32 character hexadecimal string that's the typical output of MD5, SHA1, etc. It doesn't have to be cryptographically secure, just reasonably resistant to collisions. (My initial use case is URLs, but I'll probably want to use it on othe...
Hashing a string with Sha256
...a);
SHA256Managed hashString = new SHA256Managed();
string hex = "";
var hashValue = hashString.ComputeHash(message);
foreach (byte x in hashValue)
{
hex += String.Format("{0:x2}", x);
}
return hex;
}
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