1,614 questions
0
votes
0
answers
10
views
Is it possible to calculate abilities per participant per stimulus in BradleyTerry2 R package?
I have a task in which participants engage in a pairwise comparison task of 12 stimuli. All participants see all comparisons and the order is fully randomised. For subsequent analyses, I need to ...
- 1
1
vote
1
answer
175
views
Is it possible to dump a Java byte array to a file from the IntelliJ debugger?
I am debugging some code that involves transferring files over a network. I have received the binary data and want to confirm that the file is correct by downloading it an opening it in a viewer ...
- 1,091
1
vote
0
answers
40
views
Using cURL in PHP to post multi-part data held in variable rather than on disk [duplicate]
I am finding it surprisingly difficult to post an image that I have manipulated using GD image to an API without first saving it to disk. It seems like there must be some way to post the GD image ...
- 1,984
0
votes
0
answers
34
views
Can't use BinaryFormat functions modified using BinaryFormat.ByteOrder to feed a field length to other BinaryFormat functions
Context
Writing a Power Query function to read binary data from a binary stream where some fields are preceded by their length as a 32-bit Little Endian Integer.
A systematic error occurs when using ...
- 51
1
vote
0
answers
24
views
Ideal method to do image similarity comparison between two binary images - Tactile Maps
I have a task for image similarity comparisons between two binary images of tactile maps (maps for the visually impaired to map out an area). The goal is to have an output score of how similar the two ...
0
votes
0
answers
21
views
Converting binary data to unsigned ints
I'm getting an error pulling out binary data from a database using GORM. Here's my situation:
Database field (Aurora MySQL, if it's relevant):
tag_to_change binary(4) null,
Structure:
type ...
- 141
0
votes
0
answers
40
views
4 byte binary integer resets above 128 (or its multiples)
I read binary data from an instrument but the output is quite weird. I have a python program that relies on pyvisa that I describe below. The weird thing is that everytime 128, or a multiple of 128, ...
- 113
0
votes
0
answers
136
views
Reading binary data from serial port instrument
Intro
I would like to retrieve binary data from an instrument (SR620) using RS-232. The data is an histogram made of 250 bins. The python program I did works well when no data is acquired (I get 250 ...
- 113
0
votes
0
answers
104
views
How to Get image bytes directly out of clipboard
I am writing a script to automatically calculate totals for each category from a report that is exported to an excel spreadsheet. The system that generates the report uses images (for some reason) in ...
1
vote
2
answers
40
views
How to replace ^B in log or text files with sed?
I have a log/text file which is full of highlighted ^B lines when opened with less. Usually I see ^A and I have the following sed command to replace ^A with |. I found it a while ago and do not know ...
- 837
0
votes
0
answers
86
views
Django max_length validation for BinaryField causes KeyError in translation __init__.py
I have a simple model, something like
class Notenbild(models.Model):
bild_data = models.BinaryField(max_length=500000, editable=True)
In admin.py
class BinaryFieldWithUpload(forms.FileField):
...
- 9,770
0
votes
1
answer
165
views
What binary format is the binary mesh export and how can it be converted to ASCII with Python?
I have generated some large meshes using Gmsh via the Python API. The ASCII files can be Gigabytes. Since binary files are smaller and faster to read, I set Gmsh to save the mesh files in binary ...
- 9,223
3
votes
2
answers
119
views
In C, extract mantissa of a double as a long long in portable way
Function frexp(3) returns the normalized mantissa xm of a double x, with a value in [0.5,1.0), unless x=0. So I can convert it to a long long as follows:
int ie; // will be set in next line
...
- 8,217
0
votes
1
answer
99
views
Log viewer for binary logs
I have a clustered real time system that produces a very large amount of binary logs.
I get a bunch of binary logs from each node in the system and I want to view the logs in a convinent way. Mostly, ...
- 115
0
votes
0
answers
146
views
Detecting symbols in arbitrary binary files
Given a program such as Ghidra, Binary Ninja, etc., is there a way to auto-identify a set of data and assign values a symbol based on the pattern of the data? For example, from this screenshot in ...
