[Solved] Runtime exception error in android studio logcat. It is showing two errors at the same time: Runtime exception and NullPointerException [duplicate]

[ad_1] Runtime exception error in android studio logcat. It is showing two errors at the same time: Runtime exception and NullPointerException [duplicate] [ad_2] solved Runtime exception error in android studio logcat. It is showing two errors at the same time: Runtime exception and NullPointerException [duplicate]

[Solved] New class or new .py Python

[ad_1] tl;dr keep everything in one file for now, split subsequently while refactoring when the file becomes huge. Python does not force you split classes / functions into modules. We as programmers make that call for solely the purpose of readability and maintainability. While refactoring I personally look at functions with more ~40 – 50 … Read more

[Solved] Python raw_input to extract from dictionary

[ad_1] Solution while True: prompt = int(raw_input(” Enter ID of person you would like to search for: “)) if prompt > 100: print(“Please try again”) continue elif prompt < 1: displayPerson(prompt,persons) else: break print(“Terminated.”) Explanation You enter the loop and get an ID from the user. If prompt > 0: display the person Otherwise, break … Read more

[Solved] why i can’t get factorial of a number? if i try it by taking else statement as return prod i get the correct answer

[ad_1] There are several problems with your code You have a return statement with no value within a function that is defined as returning type int Your function is a recursive one yet you are using a static variable that will live through invocations, making the output invalid with multiple function calls You are not … Read more

[Solved] differences of n in TCP and UDP?

[ad_1] Both read and write return the number of bytes read/written, or -1 on error. Note, that to be able to invoke read/write on a UDP socket (or, more generally, on a datagram socket) you have to invoke connect on it beforehand to specify the peer address. 1 [ad_2] solved differences of n in TCP … Read more

[Solved] Regex for given pattern

[ad_1] I assume that you use your regex to find matches in the whole text string (all 3 lines together). I see also that both your alternatives contain starting ^ and ending $, so you want to limit the match to a single line and probably use m regex option. Note that [^…]+ expression matches … Read more

[Solved] I want to use Hooks here but don’t know how . This is my code

[ad_1] React hooks can’t be used outside of functional components. Here, you have a class components (also can’t use hooks) Register. You need convert it into functional component and append your state hooks into it. Also, you can useCallback for momize function. export const Register = (props) => { const [usernameReg, setUsernameReg] = useState(“”); const … Read more

[Solved] How draw bounding box on Specfic Area using Opencv python? [closed]

[ad_1] Here is my Python/OpenCV code. I can get the region by a judicious choice of area thresholding. But this is not likely going to be robust for other images. Input: import cv2 import numpy as np # read image img = cv2.imread(“younas.jpg”) # convert img to grayscale gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY) # median filter … Read more

[Solved] TypeError: cannot concatenate ‘str’ and ‘list’ objects. how to convert list to string [closed]

[ad_1] str(tuple(str(fv[“v”]).split(‘,’))) will probably give you what you want but if you give more information there is definitely a better way to write this. What does fv[‘v’] consist of? 2 [ad_2] solved TypeError: cannot concatenate ‘str’ and ‘list’ objects. how to convert list to string [closed]

[Solved] How do I loop a nested array in laravel to get an array based on conditions of key values from that array

[ad_1] Suppose if your $request->option contain array then $filtered = collect($request->option)->whereNotNull(‘option’)->all()->toArray(); Ref: https://laravel.com/docs/8.x/collections#method-wherenotnull [ad_2] solved How do I loop a nested array in laravel to get an array based on conditions of key values from that array