Questions tagged [read-data]
130 questions
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
- 4
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
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0 answers
the read data value is not passing into Base Class
I attempted to read data from the properties file, but I'm facing an issue where the data isn't being successfully passed to the base class. I'm having trouble identifying the specific point where my logic might be lacking.
ReadConfigFile.class &…
0
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0 answers
Read file from /data folder (with chmod 744) in android
I have a rooted device and I added a file named test.txt to the root /data directory.
And then I changed its permission to 744 with following adb command:
adb shell su -c 'chmod 744 /data/test.txt'
After the command the permission changed to…
Saman Sattari
- 3,322
- 6
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- 46
0
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0 answers
Why is the code giving a NameError when trying to taking user input for a file name and then reading from that file
the following Python code is to prompt user to specify a file name (which is stored in the variable 'file_name') and then read data from the file.
file_name = input("Enter the file name: ")
# Open the file and read the data
with open(file_name,…
Mohammed Yakub
- 3
- 4
0
votes
0 answers
Cannot read properties of undefined (reading 'params') ,Cannot read properties of undefined (reading 'params')
this is my code and it shows "Cannot read properties of undefined (reading 'params')
TypeError: Cannot read properties of undefined (reading 'params')" I don't know what to do and I am a beginner to MERN. i will hope anyone will help me
`import…
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0 answers
delete data from Array dirrectly when pushing a button
// read data
function showPro() {
let table = "";
for(let i = 0 ; i < dataPro.length ; i++){
table += `
${i}
${dataPro[i].title}
${dataPro[i].price}
…
Dreamer2005
- 11
- 1
0
votes
0 answers
Read large txt file with a nested (unknown) json structure in R
I have a large (210 038 KB) txt file which contains json structured data. It contains itinerary data, which I would like to structure the data on a journey basis, which should be easy enough as long as I can find where in the nesting this is…
OLGJ
- 331
- 1
- 7
0
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1 answer
Can I access to DataFrame index and use it when calculating something in python?
I'm reading the data I'm working on and making it organized with the following codes.
import pandas as pd
df = pd.read_csv("data.csv").assign(date=lambda x: pd.to_datetime(x['date']))
.groupby([pd.Grouper(key='date', freq='M'),…
canucar7
- 15
- 5
0
votes
0 answers
How to load files with same prefix from different folders into one dataframe in R?
So I have files that are in the same format with the same prefix "01_qc-..." and these files are also in different folders all labeled "Data...".
How do I read in all of the files simply into one dataframe in R?
starski
- 141
- 6
0
votes
2 answers
In Firebase, is it possible to get data from the return of write function?
I want to get user data from the return of creating a user, as below:
const newUserRes = await db.collection('users').add(userData);
Do you have any suggestions for me to get the new user document straight away from newUserRes?
I don't feel right…
Thanh Nhật
- 777
- 1
- 7
- 14
0
votes
1 answer
I can't retrieve the data from the realtime database to the recycler view
I am new to Kotlin and to programming too.
RestaurantModel.kt
package com.example.foodtogo.model
import android.os.Parcel
import android.os.Parcelable
import java.io.Serializable
class RestaurantModel(val name:String?, val address:String?, val…
0
votes
0 answers
Parse text into table with R or Python
I'm trying to deal with unstructured data from NCBI's Biosample search results. The only way for me to export the metadata is in .txt form, with the data looking like 1,274 entries of this:
1: Pathogen: environmental/food/other sample from…
notasfarwest
- 71
- 5
0
votes
1 answer
read data from firebase realtime database using react native
I want to read data from firebase realtime database.
I want to fix my "function readData()"
like,
If I use this funcion, I want to read my data, without enter "username".
for example, I created this,
username:hello,
email:hello@gmail.com
and If I…
정혜주
- 1
- 5
0
votes
1 answer
Debug is working but release not - Kotlin receives data via Bluetooth
I am working on Bluetooth receiving and sending data. I can send data via Bluetooth but it doesn't work the receive data. I want to get string data and split it. And the split data will show the list view. Since data import is not working, I created…
beyzzttt
- 35
- 4