The using System line means that you are using the System library in your project. Which gives you some useful classes and functions like Console class or the WriteLine function/method. The namespace ProjectName is something that identifies and encapsulates your code within that namespace. It’s like package in Java. This is handy for organizing your … Read more
You probably put very little effort into figuring this out. Though I am bored so I decided to help you out. Here is your backend: package main import ( “encoding/json” “fmt” “log” “net/http” “time” ) type Response struct { CurrentTime string } func main() { http.Handle(“/”, http.FileServer(http.Dir(“web”))) http.HandleFunc(“/get-time”, func(rw http.ResponseWriter, r *http.Request) { ctime := … Read more
You can capture a single frame by using the VideoCapture method of OpenCV. import cv2 pic = cv2.VideoCapture(0) # video capture source camera (Here webcam of laptop) ret,frame = pic.read() # return a single frame in variable `frame` while(True): cv2.imshow(‘img1’,frame) #display the captured image if cv2.waitKey(1) & 0xFF == ord(‘y’): #save on pressing ‘y’ cv2.imwrite(‘images/c1.png’,frame) … Read more
Is there any reason why declaring a variable default outside of a method would be better or worse than defining a default in a no-arg constructor [closed] solved Is there any reason why declaring a variable default outside of a method would be better or worse than defining a default in a no-arg constructor [closed]
How to add a new list of information to Firebase’s firestore so all users can see it the next time they open the app? [closed] solved How to add a new list of information to Firebase’s firestore so all users can see it the next time they open the app? [closed]
Loop over the dictionary’s items and use replace() over txt for key, val in dict.items(): txt = txt.replace(key, val) Note: it is not a good idea to use dict as a variable name since it is a builtin type in python 1 solved Python: Replace different words in a string using matching array values
Use JSON.parse() and replace the starting and ending ” with backticks JSON.parse(`[ { “userId”: 1, “id”: 1, “title”: “delectus aut autem”, “completed”: false }, { “userId”: 1, “id”: 5, “title”: “laboriosam mollitia et enim quasi adipisci quia provident illum”, “completed”: false } ]`) solved convert a string JSON into an Array [duplicate]
If the array could be empty this is a safe way if myarray.first?.isRunning == true { or (also safe) if !myarray.isEmpty, myarray[0].isRunning { If the array is never empty then your bad way is good. 0 solved Read the first index of array for checking a boolean [closed]
true is not a keyword in C like it is in C++. To access it you’ll have to #include <stdbool.h>. 2 solved Why (true && true) raise an error while (1 && 1) doesn’t? [duplicate]
You have used mysql_connect() in the update clause of the code. If your PHP version is 7 and above it will not work (will work for 5.5 and 5.6 versions but with a warning) as it is deprecated. Warning This extension was deprecated in PHP 5.5.0, and it was removed in PHP 7.0.0. Instead, the … Read more
You’re gonna want to use a regular expression instead. import re vendor=”AFL TELECOMMUNICATIONS” if re.search(‘AFL TELECOM.*’, vendor): print(“Match”) else: print(“No Match”) solved Python: Does ‘in’ operator support ‘*’ wildcards? [closed]
Semi-Solution Set AOT=1 in meteor environment variables. Discussion I was able to get ng-bootstrap working by sym-linking the library (to ensure that it is transpiled) and then building Meteor with AOT enabled. I narrowed down the original failure to an area in the Angular JIT compiler code. I really don’t know a ton about how … Read more
It says clearly in the instructions in the link you provided: Within Excel, the function is named – CT.ENG.FDDividendAmericanEngine This means, in Excel, you should not use: FDDividendAmericanEngine …you should instead use: CT.ENG.FDDividendAmericanEngine To find out how to use functions from a third-party add-in, you need to consult the products documentation (as I just did), … Read more
This is your problem: onMouseOut=”document.getElementById(“etext’).style.display = ‘none’;’ Try: onMouseOut=”document.getElementById(“\etext\”).style.display = \”none\”;” 2 solved Uncaught SyntaxError: Unexpected token } In Jquery [closed]
The Systems Identification Toolbox may have what you need. If you need or want to do it by hand, however (homework?), I would suggest outlining the steps of what needs to be done (break up the problem in parts, starting from the definition of MA models) and asking a more detailed question when you get … Read more