1,034 questions
1
vote
0
answers
19
views
How to Implement Drone Identification Using Camera, Coordinates, and Orientation in React Native?
I’m developing a feature in a React Native application where I need to open the camera and point it towards drones flying in the air. The idea is to identify a specific drone by cross-referencing its ...
- 11
-1
votes
1
answer
138
views
How to identify black border of photo and remove this border?
I need to detect black border in image. I tried to detect it using OpenCV, but the results were not good.
Code here:
import cv2
import numpy as np
import matplotlib.pyplot as plt
from skimage.filters ...
- 41
0
votes
0
answers
37
views
How do i do in C# that if the user types not a number it writes invalid input and if its a number it continues? [duplicate]
I Am Making A Mini Game That Is Not Important But Here Is What I Got Rn
That's What It Looks Lik
If (Int.tryparse(userinput2, Out Idk What Out Means))
Like I Said I Tried This Method And I Don't Want ...
0
votes
0
answers
103
views
Find a way to prevent or detect screen recording in my Android app
I'm building an app that broadcasts LIVE using AWS IVS.
In order to respond to customer requests, screen recording must be prevented to a minimum.
We want to limit screen recording within the device, ...
- 1
0
votes
0
answers
15
views
Asking for the document of summerzing abnormal fault of magnetic sensors
im delved in a project that requires certain knowledge of magnetic sensors (magnetometers).
The aspect im concerned is the summerization of abnormal/sudden FAULT result of the sensor (just the value, ...
0
votes
0
answers
22
views
detect catalina.out log path from a running tomcat on non-Windows
I'm dealing with the following non-Windows OS types:
Oracle Linux
RedHat Linux
Ubuntu
Solaris Sparc
Given, the fact that if Tomcat process is running, what is the best solution to find out the ...
- 3,161
0
votes
0
answers
13
views
How to detect a pressed button using setInterval and without any event in javascript?
I want to get a pressed mouse or keyboard button from global object window or document when it's listening in setInterval.
setInterval(function () {
window.mouse.button. ...;
window.keyboard....
- 1
0
votes
1
answer
945
views
CRC32 checksum in Excel
Can anyone help me with my project. I need to create a crc32 checksum in excel. My project is to detect an error if the data of ph value is being edit.
In excel there is to column which is ph value ...
- 11
0
votes
0
answers
20
views
Union of intersected rotated boxes
My problem: I have photo of book converted to edges with many long and short polylines and I try find contour of book: make four polylines, outline of book.
I am using boxes aligned to axis in my ...
- 403
0
votes
1
answer
38
views
Tensorflow Script doesn't detect my images
I am new to Tensorflow and tried to get a script going for detecting cups. I came up with the following script:
import tensorflow as tf
# Ordner mit den Bildern definieren
becher_images_dir = "/...
- 1,992
1
vote
1
answer
122
views
Detect a click on a specific x and y coordinates from an imageView
I have an image in my desktop and I have opened that image using Paint app and got specific location with x and y pixels for example: 374,207 px
but when I add the image to my android app and use for ...
- 138
-1
votes
1
answer
140
views
How can I detect if a nondirectional key has been pressed in a console application using an optional parameter in a method?
I have been tasked with adding an optional parameter to a method in a console app I am developing that can detect if any other key, other than the arrow keys on my pc number pad, has been pressed ...
- 1
0
votes
1
answer
73
views
Is there any way to detect the event on input field, when it's disabled using angular?
I am trying to fetch any event event input field is disabled.
<input [disabled]='disableTextbox' (click)="delectInput()">
This above is my input field. I am trying to fetch the event ...
0
votes
0
answers
52
views
Emgu.CV.CvInvoke' threw an exception FaceDetectionAndRecognition
I have created an application in C# that, when triggered, opens the camera and detects a face, placing a square around it. When I run this application in debug mode, it works correctly. However, when ...
0
votes
2
answers
503
views
find rectangle with specific width and height
i was trying to find rectangles the size i choose. using the box width and box height in the code but i find all sorts of rectangle sizes.
i have my test pattern image. to see it when you run the ...
- 19
0
votes
1
answer
86
views
osm2pgsql error: Cannot detect file format for 'postgres'. Try using -r
I am trying to import pbf file into postgis database using osm2pgsql.
I can connect to database, but when i try to import the file:
C:\osm2pgsql>osm2pgsql -s -a -d micronesia --flat-nodes C:\...
0
votes
1
answer
33
views
How to fix my script to merge my two functions OR call them in specific order?
I'm trying to use a script into a HTML (based on the solution suggested by "skara9" in this post and try to adapt it for my needs, but can't find how to do it, it doesn't work.
The basic has ...
user21921808
1
vote
1
answer
750
views
How to check / detect if user begun a new line in TextField / TextEditor?
I want to check in my TextEditor if the user pressed the "↵" (new line) button on the phones keyboard, so I can code, that on every new line the code automatically adds a "-" at ...
- 13
-2
votes
1
answer
104
views
Windows OS compatibility for batch file needed [duplicate]
I want to make a Batch file program, that can is compatible with Windows 10 and later. Not with older Windows systems.
Pseudocode:
if Win10+ then
[insert continued code here]
else
echo We're sorry, ...
-1
votes
1
answer
48
views
Checking most used colors in image [duplicate]
I want to know the list of most used colors in this picture:
I tried the following code, but it takes too long:
from PIL import Image
colors = []
class Color:
def __init__(self, m, c):
...
-1
votes
1
answer
84
views
Is there a way to detect the device when going on a website to change the content
I want to do the following, when somebody visits my website on the phone it should say "please visit from desktop" and when it gets visited by desktop its normal. How can I make the website ...
2
votes
1
answer
1k
views
Detect drops of water using OpenCV
I am trying to detect drops inside the water, where at first I will detect the edges, but there are light spots in the image, which are also detected as drops.
Noting that the drops are white ...
1
vote
0
answers
186
views
How to Detect Shapes in Images in Python using OpenCV?
I'm trying to read the shapes in the image and print them to my array, but I can't succeed. It doesn't form exactly correctly.
import numpy as np
import cv2
shapes=[]
img = cv2.imread('objects.png')
...
- 19
4
votes
2
answers
54
views
String match repeated letter and ignore other letters between the repetitions
I have a list of words. I want to count the words that have a certain letter repeatedly appears. I don't mind how many times the letter repeated appears, as long as it appears at least twice. I don't ...
- 41
1
vote
1
answer
830
views
How to check if the string in one column is included in another column but 2 columns contain different rows?
I have 2 tables and each of them contains different number of rows and columns.
Illustration:
Table A:
PID
Region
123456
East
123457
South
123458
West
123459
East
123450
North
Table B:
Product
...
- 23
1
vote
0
answers
24
views
Predressed key detection using Python
Can the ability to detect keys that have been pressed due to software, hardware, drivers, etc. be used as specific modules or implemented with Python?
ex)
import @@@
@@@.pressed_key()
>>> [&...
- 11
0
votes
1
answer
1k
views
python keyboard does not recognize keys
I am trying to detect the keys being pressed in python with "keyboard" but apparently it does not recognize the keys.
(I use python 3.11.0 with macOs ventura 13.0)
my code
import keyboard
...
- 17
1
vote
3
answers
15k
views
How to detect keypress in python using keyboard module?
I am making a program in python to detect what key is pressed and based on my keyboard it will make a decision.
I want to implement it using keyboard module in python.
I would do something like this,
...
- 21
0
votes
1
answer
52
views
scd slow changing demension how can i detect changes?
can i detect changes in my ODS tables before inserting it in dimension table in the DWH , i use sql and pentaho for data alimentation for information i use 4 tables to alimente my demension table ! ...
2
votes
4
answers
199
views
Check column data has spaces in it
Is there a way to check if values in column has spaces in it?
asd <- data.frame(a = c("new ", "Old"), b = c("Cta", "df"))
We have space in "a" ...
- 480
0
votes
0
answers
51
views
How can I detect the amount and the perimeter of the circles from the picture?
There's a imput picture of 'lead frame' and i've already finished mid-blur,binarize,find the edge,dilation & erosion , labelling.
Then,how can I detect the amount and the perimeter of the circles ...
- 1
1
vote
1
answer
169
views
How to know if images from a game window are matching with my images bank? ( Python )
In the game there are some "characters icons". They are always at the same position on the window, but I need my program to check all of them and return me information about them. So it ...
2
votes
0
answers
149
views
Mac: How to get the status of a status icon on the menu bar of screen?
For a Chinese or Japanese user, we all need to input text other than English. Therefore we have an icon on the menu bar to show what is the current input mode. There are 2 or more icon faces for our ...
- 373
0
votes
0
answers
46
views
I need to write java code that can monitor and detect network disconnection without pressing any button in apache netbeans
Presently I have followed some of the codes that had been solved here and I was able to detect network when I press my button to check. It works fine. When I disconnect from network, I click the ...
2
votes
0
answers
3k
views
How to detect App installed on device using getInstalledRelatedApps()
Am trying to use this script found here to detect if my app has been installed on a phone. If so, it should prompt them to open app, if not, it should prompt them to download app. I've followed the ...
- 604
0
votes
2
answers
465
views
Javacript: How do you get the caret position and assign it to a variable?
So I'm attempting to create an if/else statement, where the console logs a statement if the enter key is pressed and if the caret has a certain position in an input field. What I can't figure out is ...
0
votes
2
answers
687
views
How to select multiple rows containing a search strings in multiple columns and create a new column with the rows?
I am working on a dataframe containing text across multiple columns. I would like to identify cells containing a search string and copy the whole cell onto a new column. I know for sure that the ...
2
votes
0
answers
82
views
Detecting an item in a package
I am not 12 years old, I am just practicing my Python and OpenCV skills. I have two images, one of the “Bundle” or so-called “package”, and another one of one “item”. I want to detect if the item is ...
- 33
1
vote
0
answers
55
views
Flutter on browser, detect device
I am running a Flutter web only app.
I need to know the device on which the browser is. How do I achieve this?
Platform.isAndroid nor Platform.isIOS does not work in the browser, since it is not an ...
- 1,491
3
votes
0
answers
460
views
Detect tap on empty area in List
How can I detect a tap on empty area in List ? I tried using List.onTapGesture {} which kind of works but it overrides the tap on the rows. I only want it to trigger for the empty area not occupied by ...
- 11.7k
-1
votes
1
answer
233
views
How can I search for the variation of a word without typing all variations ( in R)?
I need to check whether the variation of a word is in the text? How can I do that without typing everything out? For example, I need to search for the word 'broken', is there a way in r where it can ...
- 97
0
votes
0
answers
933
views
Detect beep sound from Audio file using python
Detect beep sound from Audio file using python
this code I found from somewhere but it is not giving the actual beep result
means in the audio where beep is not there then also this code is showing ...
1
vote
1
answer
1k
views
Reading and detecting images, and save in folder
Firstly, I am simply reading images from the folder that contains different image formats. Secondly, the YOLO model detects the class, draws a rectangle and fills it with color only detected part, and ...
- 2,924
0
votes
1
answer
78
views
R how to detect first last name with different ID?
ID <- c(1,2,2,3,3,3,4,5)
Firstname <- c("A","B","B","C","C","C","D","A")
Lastname <- c("F","G&...
- 129
3
votes
1
answer
1k
views
How could i improve my opencv program to detect only the crosswalk?
I would like to detect the pedestrian crossing in the image below, and fill it with red color, but the program detect other things too. Here is my code:
import cv2
import numpy as np
img = cv2.imread(...
user14618331
3
votes
1
answer
4k
views
Detect all Cameras and Mics in iOS 15+
Anyone know if it is possible to use AVCaptureDevice.DiscoverySession to detect any Camera or Mic connected without just going through each of the different types, checking for them, and appending ...
- 1,172
1
vote
2
answers
407
views
Visual Basic 6 check if dll exists
I am in need of a little help, I'm trying to exit sub, if a test.dll is detected (test.dll is just an example), and if the dll does not exist, just continue to do the other things in the code. I'm ...
- 13
0
votes
0
answers
38
views
How do i detect an app that takes most are of the screen?
I am working on a script that would detect what app the user is currently looking at. That means if the app takes more than 80% of the screen and if it's "on top" of the screen print the ...
- 43
2
votes
2
answers
2k
views
I'm working on react native app to detect all call state but
i'm using react-native-call-detection library
** but call connected and call dialing state work only in IOS please guide me how to detect it in android **
im new to react native please guide me how ...
0
votes
1
answer
288
views
When drawing an arbitrary point in an image, how to find the coordinates of the two closest lines perpendicular to that point?
I draw an arbitrary point in this image.
I want to find the coordinates of the two lines closest to this point.
It should be a straight line when you connect one of the two points to any point.
Like ...
- 9