979 questions
Advice
0
votes
4
replies
66
views
Bit numbering and endianness
The documentation for flags in a CRNG chunk (IFF, LBM), says the following regarding the meaning of individual bits:
Flags which control the cycling of colours through the palette. If bit0 is 1, the ...
- 2,096
Advice
5
votes
1
replies
144
views
Parquet VS ORC In Iceberg
Hi I have been interested lately in learning iceberg. There is something was not able to get so I thought I would ask here.
I really wanna know why is Apache parquet the native file format used when ...
- 13
Advice
1
vote
21
replies
6k
views
How to read a specific text file format in C
I just wanted to ask if it's possible to read to a specific file format, say if I wanted to read from a file that has a format of something "info.uc" or "main.uc", how would I go ...
- 23
2
votes
0
answers
354
views
What (executable?) file format uses an “EDOS” magic number of “PEED”?
The original EDK contains the following macro definition (e.g. in Edk/Foundation/Efi/Include/EfiImage.h line 57):
#define EFI_IMAGE_EDOS_SIGNATURE 0x44454550 // PEED
A similar ...
- 27.3k
0
votes
0
answers
190
views
Converting (I think) hexidecimal data to an image; possibly Delphi file format
NOTE: I deliberately didn't tag this with Python, even though that's what the code I've tried so far has been in, because I'm happy to use any language to solve this, it's really a data conversion ...
- 9
1
vote
0
answers
57
views
Can I store LH coordinate data in GLTF by defining root node with LH coordinate conversion matrix in the root of the scene
I am planning to write my own 3D rendering engine with LH coordinate system and I want to use GLTF as main scene description format
But while GLTF is define strictly as RH coordinate system. I think ...
- 1,562
0
votes
0
answers
43
views
Syntax Error When Using PROC to Load Data to Stage from SFTP in Snowflake
I am facing an issue getting data from SFTP to the STAGE I have created. In the below, I create a FILE FORMAT, then a STAGE and finally use an already created STORED PROCEDURE to load the data. I ...
- 335
-1
votes
1
answer
165
views
how to escape double quote backslash in snowflake file format
My csv file has fields which in enclosed with double quotes and the fields are separated with |. For some of the fields i have below value in csv file:
|"\"Bremen \""|
I want to ...
- 4,029
0
votes
1
answer
85
views
How can I parse text from a *.PG type file?
I have some configuration (backup) files of a Siemens S7-300 PLC with the extension *.PG. Some other files have the extension *.DBF and can be read with the OLEDB Connection. But it is not possible to ...
- 793
0
votes
1
answer
434
views
How to detect if a Windows PE executable is for native code vs managed code? [duplicate]
I've been analysing Windows PE executables' binary file format.
I know how to differentiate PE32 (32 bit) vs PE32+ (64 bit) and how to differentiate x86 vs x64.
But I know that managed code uses the ...
- 17.4k
0
votes
0
answers
150
views
What Machine Type does 0xEC20 indicate in a PE file?
In the Windows PE file (Portable Executable) file format, the 16-bit field right after the PE\0\0 signature of the PE header is the "Machine Type" field.
Microsoft currently lists about 30 ...
- 17.4k
1
vote
1
answer
167
views
Split mrc file into pieces by using DM script
I'm working with Digital Micrograph (DM) and have an MRC file that contains 10 distinct pieces. When loaded in DM, I can navigate through these pieces using the left and right arrow keys. I'm looking ...
- 291
1
vote
1
answer
175
views
Reading and manipulating a 3D stack of MRC images
The problem I am trying to solve is a three-parter.
I am trying to read a 3D stack of MRC images (not as in: Can DM script read images with the same extension (like *.mrc) from a folder?), apply a ...
- 57
1
vote
2
answers
97
views
Using Powershell 7 test files for unix or windows format
I have a vendor who sends 5-10 files a month. Recently they started sending us a mixture of Unix format files among the Windows format files. This vendor is notoriously difficult to work with so this ...
- 315
0
votes
0
answers
172
views
Why does it fail to detect WAVE or RIFF?
I'm trying to load a wav file into a C++ app
I Keep getting the program to print Invalid Wav File with exit code 5. This means the program thinks the chunkID didn't match RIFF or the format didn't ...
- 29