Over on EL&U Meta, someone raised the question of how many net migrations there are to/from our sister site, ELL.
The following SEDE query calculates the net migrations by quarter (elu2ell - ell2elu). You can play with the query in SEDE here.
-- migration prefix length
DECLARE @mhpl INT, @mapl ...
Question:
Implement a trie with insert, search, and startsWith methods.
Source:
https://leetcode.com/problems/implement-trie-prefix-tree/description/
The Trie object will be instantiated and called as such:
obj = Trie()
obj.insert(word)
param_2 = obj.search(word)
param_3 = obj.starts...
Hello StackExchange Community,
I am working on a challenge from Automate the Boring Stuff with Python. Below is the prompt...
" spam = ['apples', 'bananas', 'tofu', 'cats']
Write a function that takes a list value as an argument and returns a string with all the items separated by a comma and ...
I am a rust newbie and i am not familiar with all the iterator options. This is what i have so far. How can I make this better or atleast avoid collecting twice into a Vec? Thanks for your help.
let num: u16 = 0b0010001000100010; // input number
let bin = format!("{:016b}", num);
let parsed = b...
Is it possible to rename dartboards in Illustrator using data from an Excel file? Might this require an Illustrator script as well as a JS to reach put to the Excel file?
Hello I have 6 SQL query questions using the example tables below:
Here are the exercise questions:
Please write an SQL query for each of the following:
Create a table to display total workout hours & number of athletes by day
Create a table to display the top ranked athlete on each day
A...
I just completed my pong game. I'm trying follow the CS50 Introduction to Game Design course. The course uses LUA and LÖVE, but I'm trying to just transfer the concepts to C++ and SDL2.
The game is pretty straight forward. There are 2 paddles on each side, one controlled by the player, the other ...
I am trying to create array with zip-range like if my csv file contain postcode in range like 50001,50002,50003,50004,50007,50008,50009 then it will output 50001-50004,50007-50009.
CSV file contain data like this
below is my code
function makeCSV() {
$file = getPostcodeFile();
$han...
I'm just curious, with the following code, which way is better (if any)? And why? I would think it is only a matter of preference, but I'm still curious to how others think. Personally I prefer Method2(), simply because you don't need to indent the code within an if statement.
var canExecuteMeth...
In my project, there is an internal cache api to use. I have noticed an emerging pattern such that:
class SomeService {
private final CacheApi cache = CacheApi.newCache();
private final Object cacheAccessLock = new Object();
public List<Something> getSomethings() {
synchronized ...
For our Django app running on AWS Elastic Beanstalk, we use a web-server/worker setup. The same code is deployed to the web-server and worker environments, and environment-specific configuration is achieved with .ebextensions config files, using the test option for container_commands, among other...
I've written the following Python module to iterate over field values in the following two fields: "NAME_LABEL", "CATEGORY". I'm using regular expressions to substitute characters over three expressions that are dependent on each other. The first expression replaces the following characters "/-sp...
So, for the beginning, I have an excel file with 1 row and multiple columns.
I need to read one column where is a text. Then I have to search for that text in a .txt file. On the line where I found the text I need to keep searching for "MIN/MAX:".
The line looks like these:
"UInt32 StEaAktivK...
I am implementing encoder- decoder model. This part is the encoder:
def encoder_birnn(x):
x = tf.unstack(x, num_input, 1)
# Forward direction cell
cell_fw = tf.nn.rnn_cell.BasicLSTMCell(num_hidden, forget_bias=1.0)
# Backward direction cell
cell_bw = tf.nn.rnn_cell.BasicLSTMC...So I got a project to refactor and I can't figure out what the best solution for this specific problem would be. I'm trying to reach some kind of elegant few-line-solution, but every idea I have seems to be a dead end. My brain does not work anymore... The original state:
public SearchParameterS...
This is kind of the reversed case (parsing-generating) of https://stackoverflow.com/q/19823413/3537677 (meta: I'am not sure since I got a working "workaround" if this is right here):
I have a one member struct that I am using with boost::spirit::karma, but, as far as I could get it to work, I h...
I want to insert data into the database using OOP concept but i am getting an error that the undefined variable and on the top of that the query is not working too.the image of the error is attached
Registration.php
<?php
include('header.php');
if(!isset($_SESSION))
{
ses...
i need a registration code of c program in social media
I'm having two methods to get the user object
GetUserByUsername(string username)
{
return DataTable.Select(a =>
new User{
Name = a.Name,
Email = a.Email,
Contact = a.Phone
}).FirstOrDefault();
}
GetUserByEmail(string email)
{
return DataTable.Select(a =>...
I read quick sort algorhitm and implemented in like this:
public List<Integer> sort(List<Integer> list) {
if (list.size() <= 1) {
return list;
}
int pivotalValue = list.get(list.size() / 2);
List<Integer> left = new ArrayList<>();
List<Integer> pivotalValues = new A...
I am doing some online exercises, and I came across this: "Your job is to write a program for a speed camera. For simplicity, ignore the details such as camera, sensors, etc and focus purely on the logic. Write a program that asks the user to enter the speed limit. Once set, the program asks for ...
See this question: Can you peer review my database design for a school system?
i trying to add a tooltip on select option when it is selected from
drop down Can any one help below is code
test
$(function () { $("#sel option").each(function(i){ if(i>0){ var title="The select val="
+$(this).val(); $(this).attr("title",title); } }); } ); One
...
Develop a simple polling application using the angularJS framework
The application must have two logins viz Faculty login and Student login.
Through faculty login, faculty should be able to post polling questions upto 10 number
Through students login, students must be able to answer the ques...
I was looking at this answer in SO and I was wondering if it would be faster to write the code for the CountIF function. I imagine it would look something like this:
Option Explicit
Function CountIF(UserRange As Range)
Dim TempArray As Variant
Dim item As Variant
Dim count As Long
...
creating flash card using html and css and javascript
Recently I wrote a back_inserter with the same interface as the std::back_inserter just for supporting several containers in the constructor and doing push_back for each. The solution needs C++17. Please give me some feedback! Thanks.
#include <iterator>
#include <tuple>
namespace stx {
template 
I made a rock climbing simulator game for fun. Below is a function from the program, which works. But I can't help but think it could be refactored or more pythonic.
Namely, I open the data with csv.DictReader and read through the data, which add to a blank dictionary called route_info. Is th...
Below jQuery code submits a form using AJAX. The server response should return JSON.
addNewOutreach = function(node)
{
var form = node.find('form');
var data = form.serialize();
$.post('ajax.php',
{action:'addNewOutreach',string:data},
function(response) {
if(res...
I am quite new for c++ programming, and would be appriated for any comments.
How many combinations of N chess queens on a N×N board exist that there is no two queen attacking each other?
Input
8
Output
92
I solved the task by iterative approach using three additional arrays which ar...
HERE IS THE ASSIGNMENT:
Write your code in the file TwoLargest.java, your file has to have this exact name with T and L capitalized. You must use the IO module to read inputs and output your answers. When prompting the user, use System.out.print() or System.out.println().
Write a program that t...
I wrote the equivalent to the split() in python for C++. I would like to know how I can make it better (note: I haven't done the version for an unspecified separator):
std::vector<std::string> split(std::string_view str, std::string_view sep, int maxsplit = -1) {
Expects(maxsplit > -2);
...
I have the basis of the palindrome, this is the code I used to achieve it:
output = "";
for (let j = 0; j < 10 - i; j++){
output += "";
}
for (let k = 0; k <= i; k++){
output += k;
}
And this is my output:
0
01
012
0123
01234
012345
0123456
01234567
012345678
0123456789
What I ...
Not much formal education in programming. One year in school. We did C++ classes for most user defined objects. I've written a few different class variations for matrices but wonder about how useful that really is. Array pointers vs. stl containers, all this wrapper around an array or std::<v...
