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Questions tagged [data-files]

209 questions
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1 answer

R autoload library when loading data file

Is there a possibility to define a library that gets loaded, when one reads in a saved object in an .rdata file. E.g.: after running: library(data.table) dt1 = data.table(a=1:10,b=letters[1:10]) save(dt1,file="dt.rdata") dt1 is saved dt.rdata. Alas…
jf1
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4 answers

Extracting selected columns from a datafile using python

I have a data file like this 0.000 1.185e-01 1.185e-01 3.660e-02 2.962e-02 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.000e+00 0.001 1.185e-01 1.185e-01 3.660e-02 2.962e-02 -1.534e-02 -1.534e-02 8.000e-31 8.000e-31 …
kanayamalakar
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Getting unusual output in simple file handling program

What is the problem with this code? I am trying to write to a binary files MCQ type question e.g, Question: If a computer provides database services to other, then it will be known as ? 1.Web server 2.Application 3.Database server 4.FTP server ID:…
Saif
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Oracle XE data limit reached - how to reduce tablespace size?

I have an Oracle XE database with several tablespaces. One of these is used to store image data, and this tablespace has grown to a huge size. We decided that we didn't need to the images any more so deleted them all. This has freed up a lot of…
user1578653
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1 answer

Eclipse wont recognize or read .dat file even though I can see it in package explorer

I'm pretty sure there is a simple reason for this, but after combing through google hits I can't figure it out. Problem: I am trying to read from a .dat file I created and placed in the src folder of the java project, but eclipse doesn't recognize…
f6e9a
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Merging data - Error in fix.by(by.x, x)

I am trying to merge data in R as suggested in an answer to my other post here. Yet, I have an error. First let me explain what I try to do. I have 100 files (each have x_i and y_i), I want to merge them in this way: from: x1; y1 ; x2 ; y2 1 ; 100…
dorien
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Data file is full of zeros after power outage

I have a graphical (Qt, C++) application that stores its state in a data file and updates that file every 60 seconds. I wrote a function to prevent data loss when the application or the OS is interrupted during writing. QString updateFileSafely(…
Youda008
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R Package Data Files: Data Downloaded From Cloud is Inaccessible

There is an R data package I would like to submit to CRAN, but the data is too large. Therefore, I want to design the package so it comes with samples of the full data and users can choose to replace the sample data with the full data. I wrote a…
generic
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1 answer

How to create a Tree View of PC's files with DXL

I would like to create a Tree View with DXL to read and select PC files (as .xlsx or .txt for example). I read some documentation, asks and examples, but I only found some examples on how to create a DOORS DB explorer, or tree view with only PC…
F A Fernández
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2 answers

What is the syntax for writing txt file with multiple numpy arrays+scalars and how to read it in again?

I have 2 numpy arrays of same length lets call them A and B and 2 scalar values named C and D. I want to store these values into a single txt file. I thought of the following structure: It doesnt have to have this format I just thought its…
trynerror
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3 answers

Convert EBCDIC data file to ASCII

I have an EBCDIC data file which is variable length. Inside this file, it contains binary data (comp), packed-decimal (comp-3), display-numeric (pic (9)), and string (pic (x)). How to convert it to ASCII using a language such as Java, Perl, or…
pat
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postman runner save response for each iteration

I am running the postman runner for a GET request, that uses a data file to iterate through values for a query parameter, such as a user's email. I'd like to store the response for each iteration in a single JSON or data file to match the responses…
Josh Torrey
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1 answer

In Android target sdk version 30 image from app specific directory is not shown in app

Added uses permission MANAGE_EXTERNAL_STORAGE in AndroidManifest.xml, but still not showing.
muhsin Nm
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Ruida contorller(CNC) Data file with .bs extension

I have an CNC with Ruida Controller(RDC6332G-BS) that seem to work only with data files that have a .bs file extension, i can't fount out any application that can open this data file. i tried with XnView but same thing. When i try to copy for…
OverB
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Wrong associated color for the highest values in my gnuplot 3D heatmap graphic

I am trying to make a 3D color plot with pm3d in Gnuplot. It is heatmap for a heat transfer problem in a cube. So, I have 4 columns in my data file: x, z, t and T which are respectively the horizontal coordinate, the vertical coordinate,the current…
Jejouze
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