All Questions
Tagged with binary-data binary
125 questions
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How to find timestamp in binary file?
I am searching for the specific timestamp of 7:12:53am Monday April 22, 2024 within a binary file (Sunday, April 21, 2024 9:12:53 in UTC). I am using a hex editor and have been searching for the epoch ...
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73
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Read binary data file [duplicate]
I have a file that looks live a .XML (it even has a <?xml version="1.0" encoding="utf-8"?> header). But before the header, when I open the file in Notepad++, there is random ...
1
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1
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177
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Decode suspected timestamps
I'm writing a tool to decode data I retrieve via mini-USB cable from the Beurer BF-105 scale.
The part I'm really struggling with are the 4 bytes that I think should encode the timestamp of the ...
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31
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Correctly read binary data encoded in variable-lengths
I'm trying to read a binary data file containing time-series data in Matlab.
Sample data: [23,-10,47,19,-417,-434,-1,29,11,22,23,6,18,13,-383]
Command: fopen(filename,'r','ieee-le');
When I read the ...
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2
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136
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C bit counting causes unexpected behaviour
I was writing a Hamming weight function in C. I wanted to know if I did it correctly, so my plan was to test on the number 5. I didn't want to google the binary for 5 and wrote some code to do it ...
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455
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Why is BSON parsing faster than JSON?
I am trying to understand BSON in-depth. I read a few informative questions such as:
Why is JSON faster than BSON in node.js?, Which one is lighter, JSON or BSON?.
But I still do not understand what ...
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51
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Transferring binary data from mobile app (in Swift) to server
A third-party company is dealing with a mobile app that is getting a stream of binary data (protobuf) from physiological sensors on our device and is expected to send the binary data to a server, so ...
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130
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Linear programming problem, searching for a group that has the most in common
I have 6 matrixes of numbers with binary variables like this:
matrix 1:[0, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1]
matrix 2:[0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 1, 0,...
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72
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How to create function that translates an array of 0 and 1s into a float? [closed]
I am trying to create a function that takes an array as argument, the array represents number but in Binary, I want this function to return a number.
I can translate any number into Binary, however I ...
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35
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How to merge rows of binary matrix based on substring rowname matches?
If the rownames of the binary matrix match before the 4th . delimiter, merge the two rows, where if either row as 1, the column value will be 1.
Also, remove everything after the 4th . delimiter in ...
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64
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Type of expression is ambiguous without more context when fetching core data
In my swift code the goal is to fetch an attribute and display it on an image view. I am having trouble fetching the attribute pic which is a binary data.
if let imageData = Pictucre[imageNo].pic
...
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71
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Storing Binary Combinations in an elegant way
For my problem I have 16 inputs, which can be switched on and off individually and an output that depends on the input combinations. I now want to store the output for each input combination in an one-...
3
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1
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195
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Restore pack value from hex string
If I have a hex value produced with e.g.
my $hex = sprintf "%v02X", $packed_output
and the $packed_output is the result of pack over a series of numbers i.e.
my $packed_output = pack "...
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1
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783
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How do I find the regular expression for- All binary numbers greater than 110011
I am trying to solve a problem set to practice for an exam. How can I approach questions like these ? Is there a way to verify solutions or is it just trial and error ?
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How to Post Binary file (attachment) as a request body in JMeter
As in Postman, where the binary file itself could be attached as a request body to perform a Post operation, I am trying to attach a binary file in JMeter via File upload option. But it is not working....