Javascript – Number() conversion returning NaN
let userInput = prompt('Enter an integer'); console.log(Number(userInput)); I entered '10' and it is logging out NaN. I thought Number() converted a string to a number value.
Sum of two big numbers returns a NaN value in Javascript
I was making a summation algorithm to add 2 very big numbers. //input let n1 = 1234567891234556555558 let n2 = 1234567891234556555558 //processing let a = n1.toString() let b = n2.toString() let c = 0 //carry let r = '' //final…
Ubuntu – fpclassify and isnormal return different answers
I am using gcc (Ubuntu 13.2.0-23ubuntu4) 13.2.0. I have a bug in my code where a numerical analysis function is giving very different answers. Each of the following returns true. assert (fpclassify(x) == FP_NORMAL);; assert (x == x); assert (~(isnan(x)));…
unable to read json
ValueError Traceback (most recent call last) <ipython-input-8-7c5fcf8552e0> in <cell line: 1>() ----> 1 df2 = pd.read_json('/content/drive/MyDrive/Hackathon project/PS 1,2/no_pii_action_history.json') 6 frames /usr/local/lib/python3.10/dist-packages/pandas/io/json/_json.py in _parse_no_numpy(self) 1319 if orient == "columns": 1320 self.obj = DataFrame( -> 1321 loads(json, precise_float=self.precise_float), dtype=None 1322 ) 1323…
Convert text to number JavaScript
I am trying to convert text (E.g. Hello) to a number (E.g. 0805121215). I have looked up many sources, but none of them have worked. I have tried: https://dev.to/sanchithasr/7-ways-to-convert-a-string-to-number-in-javascript-4l and thttps://www.geeksforgeeks.org/convert-a-string-to-an-integer-in-javascript/ I tried a few more sources but they all…
Removing NaNs in a JSON file using python
Json file example: { "name": "John Doe", "age": 30, "height": null, "weight": NaN, } { "name": "Jim Hanks", "age": NaN, "height": NaN, "weight": NaN, } now imagine there are a lot of rows some containing only NaNs some containing a…
Html – How do I replace NaN with 0 or "No Input Found"
I am trying to replace the result of NaN in my calculator result with 0 or the words "No Input Found". Here is the Javascript Code for the Section. // Calculator Functions JavaScript STARTS here function add() { var num1…
Html – Getting 'undefined' or 'NaN' for data-addval when trying to get is as number in JS
I'm building a simple web game and I've been struggling with a problem for hours. No matter how I try to access the data-addval attribute in my JavaScript code, it always returns 'undefined' or 'NaN' when it should be a…
Html – What is the standard way to check a variable is initialised as a number in javascript?
I am trying to test a variable to ensure [a] it is initialised and [b] and is a number before supplying the number as an argument. I have tried to do this using two functions noNil(i) and noNan(i). It makes…
Why does Javascript’s parseInt return NaN for normal-looking numeric strings?
So I have the JSON below, as an example: [{"x":"12","y":"−67"},{"x":"12","y":"−68"},{"x":"13","y":"−70"}] After I parse it into an object, using JSON.parse, I end up with an array of objects. So far so good. But when I try to parse those "x" and…