Questions tagged [read-data]
101 questions
1
vote
1 answer
How to read csv files from different paths folders, with configuration files attached for each dataset in Python?
I have worked in R until now. And I am trying to replicate my work in python.
Thus, in R I have been able to read different datasets from different path folders into a list of list. On this list, I have applied a function that has standardised the…
GaB
- 816
- 1
- 9
- 23
1
vote
1 answer
Retrieving data from Firebase (Realtime Database) into a list (Kotlin)
The RealtimeDatabase structure in Firebase
I want to go over the entire users in "mifkada" and to add them into a list as a BlogPost object:
class BlogPost (
var namerv: String,
var gafrv: String,
var placerv: String,
var phonerv: String,
…
yoavsc
- 25
- 4
1
vote
1 answer
How to read data from file as String or Bytes from in swift 5 using readData function
i am trying to read content of the file using readData function .I am able to read data from the file currently it is displaying size of content read from file but i want actual content of the file .
Code using for reading file
var fileHandle =…
Shivam Kumar
- 73
- 1
- 6
1
vote
1 answer
Xamarin.Forms: Read Data using UsbDeviceConnection Library
I Have to read data from UsbDeviceConnection but the call UsbDeviceConnection.BulkTransfer(......) always returns -1.
when I have to write data, all works fine, but when I try to receive, the call always returns -1 (receive failed).
[Obsolete]
…
AccountForWorks
- 63
- 7
1
vote
0 answers
Missing bytes while reading the bytes from C# serial port class
I wrote down some app in C# to read the bytes from (USB-SerialPort) payment terminal.
But I can see the bytes are missing/overridden in my application while I read from the read-Buffer of windows serial port.
I have following piece of code for…
Raj
- 83
- 9
1
vote
0 answers
Using data read from firebase database outside the ValueEventListener method
I'm writing an android app, where I need to read some data from the firebase database. First I was doing it in the mainActivity.java class, but than it started looking messy. So, I made a new class, that would manage all the database related things.…
Nida Ilyas
- 71
- 4
1
vote
0 answers
Timeout when read data by radio (NRF24L01 PYTHON)
I'm working with NRF24L01 in python and I'm confused about reading data. I have simple function to read data for 20 seconds. There is no problem if I get some data but if there is no radio signals my program stuck on "radio.read(revc_buffer)" till…
KyluAce
- 654
- 6
- 15
1
vote
2 answers
How to read updated data from local test.txt file?
I'm doing sliding image using SliderLayout. By default change the image every 10 seconds.If user wants to change time interval, creating interval.txt file in device local memory and getting interval time from that file.
Now i'm getting problem is…
GNK
- 604
- 1
- 6
- 19
1
vote
2 answers
My Android app can't connect to server
I'm tying to read data from server I'm using xampp) but the data is empty
this is my connect activity:
public String link="";
public AsyncTaskConnect(String link){
this.link=link;
}
@Override
protected Object doInBackground(Object[] params) {
…
reza
- 11
- 2
1
vote
1 answer
change comboBox selected item from textbox value + database connection
These are my SQL tables CONSTRAINT [FK_regLloji_regModeli] FOREIGN KEY([Shifra_Mod]
This is my combobox values
When i read article 0001 result in Combobox it is OK:
When i try another article like 0002 i see this error:
This is the code i read…
aarriiaann
- 27
- 7
1
vote
2 answers
Can't submit multiple input files in flask+html
I am trying to upload multiple files using HTML into my flask application. I have used an html form below
tj89
- 2,982
- 2
- 9
- 12
1
vote
1 answer
Receive Email address instead of Name with POI from *.msg-File [Java]
i wrote a small java programm which extract the names,email address, subject, bodytext from a *.msg by using POI 3.15 and writes it to an excel sheet.
By reading the MAPIMessage API Documentation i saw:
getDisplayFrom() --> Gets the display value of…
Basti
- 11
- 3
1
vote
2 answers
error read data in codeigniter
i have an applicataion that must to read data from database. i think it simple but why i still got error like this :
A PHP Error was encountered
Severity: Notice
Message: Undefined variable: data
Filename: views/detail_usulan.php
i have tried to…
dazzle
- 109
- 2
- 15
0
votes
1 answer
How to read a text file whose variables are not stored on the same row, and that lacks a standard delimiter from column to column, into R?
I am trying to read a text file (https://www.bls.gov/bdm/us_age_naics_00_table5.txt) into R, but I am not sure how to go about parsing it. As you can see, the column names (years) are not located all on the same row, and the space between data is…
Anthony Colavito
- 1
- 1
0
votes
1 answer
