If someValue‘s value is falsy like: null false empty string 0 undefined then someValue defaults to an object {}. The || used this way is also known as “default”, meaning that if the value to the left of a || is falsy, it “defaults” to the value at the right. 1 solved what does javascript … Read more
I don’t exactly know what you want to achieve, but I think this is what you’re looking for. #include<iostream> #include<string> using namespace std; int main() { string user; /* —- This part is in place of your python code — */ cout << “Please Enter your name”; cin >> user; cout << “Your name is” … Read more
I had a similar app to be built some time ago, and I also tried things like you did, but that is very very wrong way to use timer and all to record your location. First of all, I suggest you to not try to record/ping location explicitly because, it will cause batter drainage. There … Read more
Well, Serial.println(“Resistance 1: ” + String(f1r) + ” ohms”); it uses the variable f1r whose scope just ended. In C++, when a variable is defined inside a scope (between some { and }), it does not exist outside of it. solved ‘ variable’ was not declared in this scope [closed]
You can use jQuery To Simple down the code LAB DEMO HTML CODE: <input type=”text” value=”Sample Text” id=”txtBox” name=”name”> <br> <select id=”fontSizeDD”> <option value=”12″>12</option> <option value=”14″>14</option> <option value=”16″>16</option> <option value=”18″>18</option> <option value=”20″>20</option> <option value=”22″>22</option> <option value=”24″>24</option> <option value=”26″>26</option> </select> jQuery CODE : $(function(){ $(“#fontSizeDD”).change(function(){ $(“#txtBox”).css(“font-size”,$(this).val() + “px”); }) }); Pure JavaScript Solution var fontSizeDD = … Read more
Option 1 The simplest and most direct – use the str accessor. v = df.ID.astype(str) df[‘Year’], df[‘ID’] = v.str[:4], v.str[4:] df DateTime Junction Vehicles ID Year 0 2015-11-01 00:00:00 1 15 1101001 2015 1 2015-11-01 01:00:00 1 13 1101011 2015 2 2015-11-01 02:00:00 1 10 1101021 2015 3 2015-11-01 03:00:00 1 7 1101031 2015 4 … Read more
Your desired output isn’t very clear, but I think this does what you need (you also have Email column twice) library(data.table) cols <- c(“Call”, “Callback”, “Email”) # Choose columns to modify First solution (simple version) setDT(df)[, paste0(cols, “Sum”) := lapply(.SD, function(x) c(rep(0L, .N – 1L), sum(x))), by = .(E_Add, cumsum(Action == “Event”)), .SDcols = cols][] … Read more
import os import random for folder in folder_paths: # Go over each folder path files = os.listdir(folder) # Get filenames in current folder files = random.sample(files, 900) # Pick 900 random files for file in files: # Go over each file name to be deleted f = os.path.join(folder, file) # Create valid path to file … Read more
N1 is simply just a list of names (that are of type String). When you loop / iterate over your list (for names in N1), each loop iteration will then act on that index of the list. So for the first iteration of the loop, names is equal to Ryan and therefore since you are … Read more
Seems like a basic setter… It should go like public void setCapacity(int newCapacity) { this.capacity = newCapacity; } solved java method which can be changed
If you have small arrays, It is not a problem to run the algorithm with complexity O(n2). But for me better is less clear, but faster algorithm with complexity equals to O(2n) $array = array( array( ‘id’ => 12, ‘_from’ => 1, ‘_to’ => 2 ), array( ‘id’ => 13, ‘_from’ => 4, ‘_to’ => … Read more
As suggested choose a regular expression that matches your requrements (see regex101.com) iterate the matches and compare the ,matched text generate a [PSCustomObject] for your csv ## Q:\Test\2018\10\17\SO_52857274.ps1 $RE = [RegEx]’^.*?\.(\d{4}):[^”]+”\s*(included with your TV purchase|.*)”$’ $CSV = Select-String ‘.\my.txt’ -Pattern $RE | ForEach-Object { IF ($_.Matches.Groups[2].Value -eq ‘included with your TV purchase’){ $Install = $True … Read more
Try invalidating your caches by going to File > Invalidate caches / Restart and then wait for your code to be re-indexed. solved What is a good opening time for an IDE (Pycharm)?
Here are few quick points I noticed: 1.Indentation issue for the if statement in the age condition. This if statement should ideally be within the if statement of gender==f. The way python requires you to write/use “and” condition. You can look at the syntax here https://www.learnpython.org/en/Conditions If someone enters an age out of the range … Read more
To improve my programming skills If you want to build web apps using pure Java on the server-side, Vaadin fits the bill. You describe the layout and widgets you want to appear in the user interface using Java code. Then, at runtime, Vaadin automatically generates the necessary HTML, CSS, JavaScript, DOM, AJAX, WebSocket, and Push … Read more