How to convert colors in RGB format to Hex format and vice versa?  For example, convert '#0080C0' to (0, 128, 192)....
I'm trying to send a HTTP POST to a device on my network.  I want to send four specific bytes of data to the device unfortunately I only seem to be able to send strings to the device.  Is there anyway to send raw binary using javascript?    Her...
I am taking strings which represent hexadecimal numbers (actually, hex colors) and adding them. So, adding aaaaaa + 010101 = ababab. My method seems unnecessarily long and complicated:  var hexValue = "aaaaaa"; hexValue = "0x" + hexVa...
Introduction:  I am reading image data of fingerprints from smart card and as you know this data save as raw image in smart card. I am developing a client side program which only use java script to read image from scanner of a card reader and show th...
I am receiving data from a gps unit via a udp packet. Lat/Lng values are in hex.  Example Data 13BF71A8  =   Latitude (33.1313576) BA18A506  =   Longitude (-117.2790010)  The documentation explains that longitude/latitude readings are measured in deg...
I'm trying to use Python to search for the keyword "javascript" within a sentence, i.e.   data = "I am trying to search javascript in data"   But the problem in searching for "javascript" is that there might be some charac...
Is it possible to convert a hexadecimal value to its respective ASCII character, not using the String.fromCharCode method, in JavaScript?  For example:  JavaScript:   0x61 // 97  String.fromCharCode(0x61) // a   C-like:   (char)0x61 // a...
I have noticed that PHP and JavaScript treat octal and hexadecimal numbers with some difficulty while type juggling and casting:  PHP:  echo 16 == '0x10' ? 'true' : 'false'; //true, as expected echo 8  == '010'  ? '...
Is it possible to detect binary data in JavaScript?  I'd like to be able to detect binary data and convert it to hex for easier readability/debugging.    After more investigation I've realized that detecting binary data is not the right quest...
Suppose I have a hex number "4072508200000000" and I want the floating point number that it represents (293.03173828125000) in IEEE-754 double format to be put into a JavaScript variable.  I can think of a way that uses some masking and a cal...

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