I'm creating a simple registration form for a Linux installation party I'm organizing. Although I'm a decent programmer, I almost never create html files. I wanted to know if this form is safe for users and if it will work on most devices. Also, am I follow all the good practices? Is this pure h...

So I've been making a program that creates an array that gets filled with random numbers between 2 limits (the user input is the array size and both limits for the random numbers). The user is then asked for a number and the array is scanned for said number. Finally both the frequency of the sear...

I have a common style (common.scss) and a text direction (RTL, LTR) option file (option-document-direction-rtl.scss, option-document-direction-ltr.scss). And by switching the reading of these files, the css file with RTL / LTR changed is output by method like gulp. _common.scss body { max-wid...

I was tasked to write process that initially seemed like a straight forward thing. "Fetch data from database, create a cache object, and assign this data to it. Use existing class to model this after." That's it in a nutshell. The 'existing' class did not do any caching, just an async call across...

I am brand new to writing hooks and I am having a little trouble getting my head wrapped around it. Initially, I wanted to write this with one event listener that passed the event and a separate param to distinguish itself from the other incoming arguments. With hooks, I was confused as to how ...

I am trying to create a shiny app for a class project. My idea is to have users input through checkboxes and then I used this info to filter my data and then perform a cluster analysis through kmeans and plot the results. I keep getting the following error: Error in !is.null(value) && value : i...

if(isLogin()) { $(".print_username").html( t("Hello") + ", " + user_firstname ); } else { $(".home-user-lateral").hide(); } Here, if user_firstname is null, then I want to print the value of user_firstname_social

I'm implementing the following function for signed integer numbers: given endpoints of a closed interval lo and hi, and inputs x (in [lo..hi]) and dx, I'd like to compute the "reflected sum": if x + dx is still in [lo..hi] then that's it; otherwise the underhanging or overhanging portion is "fol...

I am trying to master generics, so I figured a good way to try and test my skills would be through implementing it in a binary search. How can I improve on this implementation to cover all of the C# generic types? using System; namespace Algorithms.Search { public static class BinarySearch ...

I am working on a project with multiple directories, each having a number of python scripts. And it involves use of certain key parameters I pass using a yaml config file. Portion of the config file is: data_reader_config: negative_label_overlap_limit: 1 negative_label_overlap_lower...

Why does multiplying a list/tuple etc by -1 give an empty list/tuple etc and not return an error? t=(1,2,3,4,5,6,7) print(t*-1) #returns "()" Similarily for lists: l=['a','b','c',1,2] print(l*-1) #returns "[]" Thanks in advance.

Over the last 2 months I have seen a significant proportion of questions closed, or marooned/abandoned by the threat of being closed. I understand the official figures are in region of 30-40%. The most common reason is: Lacks concrete context Code doesn't work - when it does, but there are cha...

I have a dictionary where for each key, a single value is stored. Say import pandas as pd dd = {'Alice': 40, 'Bob': 50, 'Charlie': 35} Now, I want to cast this dictionary to a pd.Dataframe with two columns. The first column contains the keys of the dictionary, the second column the...

I'm a begginer gopher and i don't understand the benefit (if there is one) of an exported function that just call an unexported function and return the result. code from https://github.com/dominikh/go-js-dom/blob/master/dom.go#L1506 func WrapDocument(o *js.Object) Document { return wrapDocu...

Below is the code for a function returing a double value as string whose precision is 15(i.e. no. of digit after decimal should be 15) Click her to see the execution on ide #include <bits/stdc++.h> using namespace std; string doit(){ cout<<setprecision(15)<<fixed; double val = 4444/2...

I am trying to execute second largest difference between array elements using java but I am unable to acheive the output Could someone help me out to find the second largest difference between array elements in java class SecondDiffrence { int secDiff(int arr[], int arr_size) { int...

My program looks for the area of ​​the figures, depending on the value of the variable а. A = 1 area - triangle, A = 2 area - triangle2, A = 3 area - square, A = 4 area - rhombus I want to get constructive criticism about the structure of the code and what can be redone. The program is written in...

I am developing an automation tool, where I am facing issue with formating cell's background using gspread. I have created a spreadsheet with 1 worksheet "wks". It has 1000 rows. with the help of gspread I am finding all the cell with contain the singular number "3" and getting a list of cells co...

https://techdevguide.withgoogle.com/paths/foundational/find-longest-word-in-dictionary-that-subsequence-of-given-string/#! https://jsfiddle.net/dhtmlkitchen/fymuc3ve/62/ const sampleString = "infatuated"; const dictionary = Object.freeze([ "fate", "effete" ]);

The following code refreshes an observable array of Run objects by calling an api method every 5 seconds. This code is working, but it seems like there's probably a utility method I'm missing that would handle merging the array from the ajax response with the existing observable array. Any sugges...