Vote count: 0 I encountered the following leetcode question and I had a question about the approach some people used to solve it. The question is: Given a non-empty binary search tree and a target value, find k values in the BST that are closest to the target. Note: Given target value is a floating ...

Vote count: 0 I wanted to map a simple parent-child relationship. @OneToMany(fetch = FetchType.EAGER, cascade = CascadeType.ALL, mappedBy = "mother") public Set<User> getChildren() { retu children; } @ManyToOne(fetch = FetchType.EAGER, cascade = CascadeType.ALL) @JoinColumn(name = "MOTHER_ID") publi...

Vote count: 0 I want to set android-22 as target android sdk. I need it as workaroud permission issue with camera on Android 6 and higher. (described here https://developer.android.com/training/permissions/requesting.html, suggested here Workaround for Android 6.0 Permissions ) But my cordova 6.2.1 ...

Vote count: 0 I have been trying to display a 3D json model using WebGL. I am fairly new to WebGL and have tried everything I can think of, but don't know anything else to try. Currently when I try to load the model I get an error that says: Uncaught TypeError: Ca ot read property 'visible' of undef...

Vote count: 0 I am trying to understand why memory addresses for pointers increment a certain number of bytes based on datatype. The following code creates an array of four small integers then iterates through the memory addresses holding them, byte by byte. It appears the integers are stored in the...

Vote count: 0 Not sure how to approach this properly. Is there an easy fix? See below, a screen shot of the error. New to webpack, any ideas are hugely appreciated! asked 1 min agomatthewalexander Let's block ads! (Why?)

Vote count: 0 My React/Redux component for working with Google Maps: import React, { Component, PropTypes } from 'react' import { co ect } from 'react-redux' import { changeMapCenter } from '../actions' class Map extends Component { componentDidMount() { let script = document.createElement('script')...

Vote count: 0 Is it possible to us a named count function (I.E SELECT n.name, count(c.name) as freq FROM names as n, names as c WHERE freq < 1 AND gender = 'f' order by rand() ) in the where column of a query, or would i have to do this another way? asked 58 secs agoPatrick Pierson Let's block ads! ...

Vote count: 0 I have a button on frame 2. stop(); easy_btn.addEventListener(MouseEvent.CLICK, onEasy); function onEasy(event:MouseEvent):void { gotoAndStop(4) } When I click on it, it gives this in the output: "TypeError: Error #1010: A term is undefined and has no properties. at SpaceInvaders_fla::...

Vote count: 0 I was trying to implement the new html5 canvas tag. I made a Board for a game using that canvas. Now I wanted to add pawns to the game. I can add an image to canvas using ctx.drawImage() method of canvas, but that actually prints the image on the canvas. I wanted the pawn to be drawn o...

Vote count: 0 Is there a way to get wildcards to work on the client as well? Example: var co ection = require('socket.io-client')('http://localhost:3000'); co ection.on("*", function(data) { console.log(data); }); There's topics regarding this already, but they don't seem to work with the latest ver...

Vote count: 0 Ok, so after some hours of documentation on Image Processing topic (I'm a begi er programmer) I decide I want to implement a edge detection function of my own to better understand the mathematics behind it. I was able to do it fortunately, but my algorithm it's just way too slow. I'll ...

Vote count: 0 First off, I think it should be known that I have zero experience with In-App Billing, so please go easy on the terminology and explanations :D It's pretty unanimous that the In-App Billing part of the docs are among the worst documented parts of Android. The tutorial is spoken by some...

Vote count: 0 so I have 2 dropdowns on my page, the second one is hidden until you select a category from the first list. The problem is the first dropdown can't be clicked again, like it's disabled but it's not. Probably I'm missing something, but I don't know what it is When the document is ready,...

Vote count: 0 Using Python and ystockquote - I import a dictionary of around 80+ values of financial data. I've setup a MySQL table with receiving columns with values like - previous_close, shares_owned, change_from_52_week_low. I'm getting stuck on sending the data from Python as a list to MySQL. I...

Vote count: 0 I am trying to find the frequency or count of player compositions using SQL. Here is my dataset event key team_id player_id 12235384031441051453625936 1 27 12235384031441051453625936 1 11 12235384031441051453625936 1 42 12235384031441051453625936 1 15 12235384031441051453625936 1 6 122...

Vote count: 0 I changed my website`s domain and it works correctly. but any of image in my website not loading now. I changed post links using search & replace plugin but there is no result. Even if i upload new image it does not show up! Any idea what should I do? p.s. this is my website address: w...

Vote count: 0 I am trying to edit a user's AD profile on the server side which requires an access token. I can do this with the native app example which uses only a client id and secret. The docs mention that this is possible with only http requests (see Get Access Token), but I can't find any examp...

Vote count: 0 I'm currently using a controller to receive POST with one json object at a time. And I want it change to receiving the whole array. How can I modify my controller? Current Controller def create respond_to do |format| @targetrecord = TargetRecord.new(targetrecord_params) @targetrecord.s...

Vote count: 0 I am trying to make a function that would allow me to toggle eventListener of an element. In the example below, I have three buttons: main, on and off. When I click on the on button, the main button becomes functional. After I click off button, the main button should not work anymore (...