Questions tagged [hex]
Hexadecimal (also base 16, or hex) is the base-16 positional numeral system, using the 16 symbols 0–9 and A‒F.
9,706
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How to convert decimal to hexadecimal in JavaScript
How do you convert decimal values to their hexadecimal equivalent in JavaScript?
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How do you convert a byte array to a hexadecimal string, and vice versa?
How can you convert a byte array to a hexadecimal string and vice versa?
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Hex transparency in colors [duplicate]
I'm working on implementing a widget transparency option for my app widget although I'm having some trouble getting the hex color values right. Being completely new to hex color transparency I ...
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Convert hex string to integer in Python
How do I convert a hex string to an integer?
"0xffff" ⟶ 65535
"ffff" ⟶ 65535
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Java: convert a byte array to a hex string?
I have a byte array filled with hex numbers and printing it the easy way is pretty pointless because there are many unprintable elements. What I need is the exact hexcode in the form of: 3a5f771c
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RGB to hex and hex to RGB
How to convert colors in RGB format to hex format and vice versa?
For example, convert '#0080C0' to (0, 128, 192).
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How do I get the color from a hexadecimal color code using .NET?
How can I get a color from a hexadecimal color code (e.g. #FFDFD991)?
I am reading a file and am getting a hexadecimal color code. I need to create the corresponding System.Windows.Media.Color ...
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Programmatically Lighten or Darken a hex color (or rgb, and blend colors)
Here is a function I was working on to programmatically lighten or darken a hex color by a specific amount. Just pass in a string like "3F6D2A" for the color (col) and a base10 integer (amt) ...
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How do I use hexadecimal color strings in Flutter?
How do I convert a hexadecimal color string like #b74093 to a Color in Flutter?
I want to use a HEX color code in Dart.
563
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Convert integer to hexadecimal and back again
How can I convert the following?
2934 (integer) to B76 (hex)
Let me explain what I am trying to do. I have User IDs in my database that are stored as integers. Rather than having users reference ...
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Why are hexadecimal numbers prefixed with 0x?
Why are hexadecimal numbers prefixed as 0x?
I understand the usage of the prefix but I don't understand the significance of why 0x was chosen.
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453
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Convert a string representation of a hex dump to a byte array using Java?
I am looking for a way to convert a long string (from a dump), that represents hex values into a byte array.
I couldn't have phrased it better than the person that posted the same question here.
But ...
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Need a good hex editor for Linux [closed]
I need a good hex editor for Linux, and by good I mean:
Fast
Has search/replace features
Can display data not only in hex, but also binary, octal, etc.
Can work with huge (> 1 GB) files without ...
user500944
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9
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What's the correct way to convert bytes to a hex string in Python 3?
What's the correct way to convert bytes to a hex string in Python 3?
I see claims of a bytes.hex method, bytes.decode codecs, and have tried other possible functions of least astonishment without ...
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byte[] to hex string [duplicate]
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?
user34537
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16
answers
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How to get a Color from hexadecimal Color String
I'd like to use a color from an hexa string such as "#FFFF0000" to (say) change the background color of a Layout.
Color.HSVToColor looks like a winner but it takes a float[] as a parameter.
Am I any ...
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How can I convert a hex string to a byte array? [duplicate]
Can we convert a hex string to a byte array using a built-in function in C# or do I have to make a custom method for this?
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How to convert an int to a hex string?
I want to take an integer (that will be <= 255), to a hex string representation
e.g.: I want to pass in 65 and get out '\x41', or 255 and get '\xff'.
I've tried doing this with the struct.pack('c'...
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printf() formatting for hexadecimal
Why, when printing a number in hexadecimal as an 8 digit number with leading zeros, does %#08X not display the same result as 0x%08X?
When I try to use the former, the 08 formatting flag is removed, ...
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Create a hexadecimal colour based on a string with JavaScript
I want to create a function that will accept any old string (will usually be a single word) and from that somehow generate a hexadecimal value between #000000 and #FFFFFF, so I can use it as a colour ...
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How to convert a color integer to a hex String in Android?
I have an integer that was generated from an android.graphics.Color.
It has a value of -16776961. How do I convert it into a hex string with the format #RRGGBB?
Simply put: I would like to output #...
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How to create a hex dump of file containing only the hex characters without spaces in bash?
How do I create an unmodified hex dump of a binary file in Linux using bash? The od and hexdump commands both insert spaces in the dump and this is not ideal.
Is there a way to simply write a long ...
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Understanding colors on Android (six characters)
I am trying to understand how colors work in Android. I have this color set as the background of my LinearLayout, and I get a background gray with some transparency:
<gradient android:startColor="#...
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Converting an integer to a hexadecimal string in Ruby
Is there a built in way to convert an integer in Ruby into its hexadecimal equivalent?
Something like the opposite of String#to_i:
"0A".to_i(16) #=>10
Like perhaps:
"0A".hex #=>10
I know ...
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28
answers
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Integer to hex string in C++
How do I convert an integer to a hex string in C++?
I can find some ways to do it, but they mostly seem targeted towards C. It doesn't seem there's a native way to do it in C++. It is a pretty simple ...
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How to get hex color value rather than RGB value?
Using the following jQuery will get the RGB value of an element's background color:
$('#selector').css('backgroundColor');
Is there a way to get the hex value rather than the RGB?
jason
203
votes
8
answers
758k
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Transparent ARGB hex value
The colors in this table is all not transparent. I guess the value for the A is set to FF.
What is the code for transparency?
For example this color FFF0F8FF (AliceBlue), to a transparent code such ...
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C++ cout hex values?
I want to do:
int a = 255;
cout << a;
and have it show FF in the output, how would I do this?
user34537
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6
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What's a good hex editor/viewer for the Mac? [closed]
What's a good hex editor/viewer for the Mac? I've used xxd for viewing hexdumps, and I think it can be used in reverse to make edits. But what I really want is a real hex editor.
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Convert from ASCII string encoded in Hex to plain ASCII?
How can I convert from hex to plain ASCII in Python?
Note that, for example, I want to convert "0x7061756c" to "paul".
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Hexadecimal To Decimal in Shell Script
Can someone help me to convert a hexadecimal number to decimal number in a shell script?
E.g., I want to convert the hexadecimal number bfca3000 to decimal using a shell script. I basically want the ...
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How do I convert hex to decimal in Python? [duplicate]
I have some Perl code where the hex() function converts hex data to decimal. How can I do it on Python?
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Print a string as hexadecimal bytes
I have this string: Hello, World! and I want to print it using Python as '48:65:6c:6c:6f:2c:20:57:6f:72:6c:64:21'.
hex() works only for integers.
How can it be done?
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How to convert numbers between hexadecimal and decimal
How do you convert between hexadecimal numbers and decimal numbers in C#?
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Visual Studio debugger - Displaying integer values in Hex
I'm using Visual Studio 2008 and I have just noticed that the debugger is displaying integer values as Hex when I hover over variables and also in the immediate window. I guess I must have hit a ...
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In Java, how do I convert a byte array to a string of hex digits while keeping leading zeros? [duplicate]
I'm working with some example java code for making md5 hashes. One part converts the results from bytes to a string of hex digits:
byte messageDigest[] = algorithm.digest();
StringBuffer ...
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C++ convert hex string to signed integer
I want to convert a hex string to a 32 bit signed integer in C++.
So, for example, I have the hex string "fffefffe". The binary representation of this is 11111111111111101111111111111110. The ...
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answers
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Converting an RGB color tuple to a hexidecimal string
I need to convert (0, 128, 64) to something like this "#008040". I'm not sure what to call the latter, making searching difficult.
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What do numbers using 0x notation mean?
What does a 0x prefix on a number mean?
const int shared_segment_size = 0x6400;
It's from a C program. I can't recall what it amounts to and particularly what the letter x means.
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Convert hex to binary
I have ABC123EFFF.
I want to have 001010101111000001001000111110111111111111 (i.e. binary repr. with, say, 42 digits and leading zeroes).
How?
aaaaaaaaaaaaaaaaaaa
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9
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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.
I know this is ...
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Convert decimal to hexadecimal in UNIX shell script
In a UNIX shell script, what can I use to convert decimal numbers into hexadecimal? I thought od would do the trick, but it's not realizing I'm feeding it ASCII representations of numbers.
printf? ...
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Printing hexadecimal characters in C
I'm trying to read in a line of characters, then print out the hexadecimal equivalent of the characters.
For example, if I have a string that is "0xc0 0xc0 abc123", where the first 2 characters are ...
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How to create python bytes object from long hex string?
I have a long sequence of hex digits in a string, such as
000000000000484240FA063DE5D0B744ADBED63A81FAEA390000C8428640A43D5005BD44
only much longer, several kilobytes. Is there a builtin way to ...
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Converting A String To Hexadecimal In Java
I am trying to convert a string like "testing123" into hexadecimal form in java. I am currently using BlueJ.
And to convert it back, is it the same thing except backward?
Keith
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17
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Convert hex color to RGB values in PHP
What would be a good way to convert hex color values like #ffffff into the single RGB values 255 255 255 using PHP?
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How do you convert a byte array to a hexadecimal string in C?
I have:
uint8 buf[] = {0, 1, 10, 11};
I want to convert the byte array to a string such that I can print the string using printf:
printf("%s\n", str);
and get (the colons aren't necessary):
"00:...
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Decorating Hex function to pad zeros
I wrote this simple function:
def padded_hex(i, l):
given_int = i
given_len = l
hex_result = hex(given_int)[2:] # remove '0x' from beginning of str
num_hex_chars = len(hex_result)
...
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How to convert an Int to Hex String in Swift
In Obj-C I used to convert an unsigned integer n to a hex string with
NSString *st = [NSString stringWithFormat:@"%2X", n];
I tried for a long time to translate this into Swift language, but ...
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What's 0xFF for in cv2.waitKey(1)?
I'm trying understand what 0xFF does under the hood in the following code snippet:
if cv2.waitKey(0) & 0xFF == ord('q'):
break
Any ideas?
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