My goal is to get the location when the app starts, and if the user navigates away and comes back, to receive one location update and that's it. I am worried about removing the observer in the getLocationUpdates method.
BoundLocationManager.class
public class BoundLocationManager extends LiveData<
I have an C# application that may be spawned by another process using Shell or its equivalent. As such, it is not trivial to simply F5 into a breakpoint, nor launching an external program will work since a brand new process get spawned. Thus it is problematic especially when doing integration tes...
Looking for some feedback on the Two Sum LeetCode problem. Looking for feedback on code style in general, use of var, variable naming and initialization, return placement, and any other feedback or optimizations I could make.
Problem
Given an array of integers, return indices of the two numbers...
Coming from a Java background, and being fairly new to C++ as well as code review, I am trying to get accustomed to C++11/14 concepts. I have been reading Modern Effective C++ by Scott Meyers to internalize the concepts but I would love to hear some feedback on the implementation(s) below. I want...
How can we find an error on grading sheet using java?
Simple refactored example:
public class UserInteraction {
public static void main(String[] args) {
UserChoiceManager userChoiceManager = new UserChoiceManager();
UserChoice choice = UserChoice.UNKNOWN;
do {
choice = user...
Is this a correct implementation of the "toxi" tagging system in EF code first (using asp.net core mvc - ef core)?
I'm not sure if my relations are correctly implemented.
public class Product
{
public Product()
{ }
public int Id { get; set; }
[Required]
public string Titl...
I am working on problem sets through Open Kattis for now and am currently stumped as to why, when I use the sample test set provided, I am able to run without any issues, but upon submission, I turn out a wrong answer. As far as I can tell, I have checked my code and am not able to find any place...
I have a program doing a LOT of iteration (thousands to millions to hundreds of millions). It's starting to take quite a lot of time (few minutes, to a few days), and despite all my effort to optimize it, I'm still a bit stuck.
Profile: using cProfile via console call
ncalls tottime percal...
I'm learning vb.net for work reasons, and I'd like to ask your help to improve my coding and my programming skills. What can I do better? thanks for your help!
The program will be used to store data in the DB like how many pencil, rubber, ecc... you have in the sotre and update these values accor...
I have a Vehicle object which has a few properties such as Make, Model, Price, etc.
I also have a VehicleCollection object which derives from List<Vehicle which has a few custom methods, one of which is the following...
public VehicleCollection GetVehicles(string _searchTerm = "")
{
// ret...
Question
Dear all,
I have a function that synchronizes according to some specifications columns of a dataframe.
The functions works, nevertheless I was wondering how to:
Improve performances
Make it more pythonic
Please feel free to leave any suggestions,
Thanks.
The function, a sample ...
I am new in automation scripting. Here is a basic log-in script but I want to add all possible cases in my code like wrong user/pass and null value.
package test;
import java.util.concurrent.TimeUnit;
import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import ...
I want to perform multiplication on two vectors and integrate the multiplication in a vector called acc_y. The acc_y variable will update over every iteration and is averaged out.
I have modified, vector addition code.
kernel for the multiply and integration :
__global__ void cvctmac (int M,f...
I'm not even sure if this is really random like I'd like it to be. Anyway, any advice on better ways/more efficient code would be great. Also is this something I should be doing on the GPU?
#include "stdafx.h"
#include <opencv2/core.hpp>
#include <opencv2/highgui.hpp>
#include <stdio.h>
#include <...
validAlphaNum()
{
compressed="$(echo $1 | sed -e 's/[^[:alnum:]]//g')"
if [ "$compressed" != "$input" ] ;
then
return 1
else
return 0
fi
}
echo -n "Enter input: "
read input
if ! validAlphaNum "$input" ;
then
echo "Your input must consist of only letters and numbers." >&2
exit 1
...
So I have a HTTP client factory that creates a separate HTTP proxy instance for each of my services - which are in the cloud. The factory creates each instance on the basis of an interface which the service implements. All of the proxies inherit from a base class called DalServiceBaseClient which...
I have just started thinking about probabilities. A Problem that come up was how to calculate all the potential arrangements for a given sequence. By arrangement I mean unique permutation.
I initially used this method:
from itertools import permutations
sequence = '11223344'
len(set(permutatio...
Can someone help me know whats wrong with my code. I don't understand why I don't have the same price as in literature.
I checked the code two times and i didnt found any mistake!
import numpy as np
import scipy.stats as ss
import scipy.special as sc
import time
import datetime
def Hh(n,x):
...
I've written a small helper function that receives a string and checks if it translates to a valid subnetmask value (255.255.255.0 for example).
I would appreciate some peer review!
Thanks!
static bool isValidSubnetMask(IN char *subNetMask)
{
char *str = NULL;
char *endptr;
int cou...
I have an API gateway in a larger set of microservices, and I'm handling one of my routes. The endpoint ends up making an RPC call to another service, and then I just log the response and send it back to the user. I haven't really completed the error handling section, because was thinking that I ...
I'm creating a mongoose model for a web service. I have a secondary index on facultyId because majority of the reads would want to search by facultyId. I've included some statics on the model in order to make it simple for people to query.
const mongoose = require("mongoose");
const Schema = mon...
This is my implementation of Prim's algorithm to find minimum spanning tree.If you think my code is correct, can you suggest something to improve this code.
class Graph {
constructor(noOfVertices) {
this.noOfVertices = noOfVertices;
this.AdjList = new Map();
}
addVer...
Recently I asked how one could count the number of registers by the interval as answered in https://stackoverflow.com/questions/49240140/count-number-of-registers-in-interval.
The solution works great, but I had to adapt it to also take into account some localization key.
I did it through the f...
What I really wanted to do is this:
class SomeClass
{
public:
template<typename T>
T memberVar;
};
Since c++ wouldn't compile something with template member variables I tried to simulate the behavior I wanted: If the memberVar of a certain type gets accessed anywhere in the Progra...
I have noticed this question in StackOverflow, but it got closed faster than I could have answered. However, it was concerning a best practice for usage of collections of classes.
I usually use Array and I add to it like this:
Public Sub AddToTeam(emp As Employee)
Dim cnt As Long
cnt ...
I develop a web API with AspNetCore 2
My architecture:
$/
Core.Model
Business.Process
Business.Process.Abstractions
Business.Model
Data.Repositories
Data.Entities
Service
Service.Hosting
Core.Model - Contains all shared models between service and
business
Business.Process -...
I have problem with my project I try to do it but its really confuse
Question is:
Create a class named Account with fields that holds the details of the account holder like account number, name of the account holder, address, type of account (savings / current) and balance. During each withdr...
I am initializing the following object from a CSV file:
private class MassUploadUser
{
public string email { get; set; }
public string firstName { get; set; }
public string lastName { get; set; }
public string role { get; set; }
public bool active ...
I have working javascript code and i want shorten this code
sometimes i use jquery but if you know as un jquery only with javascript this will super
function handleFileSelect(evt) {
evt.stopPropagation();
evt.preventDefault();
//Check File API support
if (window.File && window.F...
I am trying to create tabs using JavaScript. I can not make them work and I don't know how to fix it. I know my code is probably poorly written but any advice would be greatly appreciated! When I run this it won't open tabs 4 or 5 and the text inside the box is all smushed.
< script type = ...
