Vote count: 0 var array:[Int] = [] var index = 5 if array[index] == nil { array[index] = 1 } Currently Xcode states that an int can not take the value of nil. So this code doesn't work. Is there any way to produce the same effect or verifying if a specific index is empty? asked 2 mins agojaems Let's...

Vote count: 0 I'm trying to simply display some overlay icons in the Windows Explorer. Since I'm relatively new to programming for Windows (I just have some experience in Mac programming), I used this article to start. So this is my code: Icon.h #pragma once #include "resource.h" #include "ExplorerS...

Vote count: 0 I am trying to create a matrix with that is 8 by 3. For each row I want the three values to be the results of the trigonometric functions described in my code below. The problem is that I keep getting an error saying that the list index is out of range. I don't understand why it is say...

Vote count: 0 I am using Android Studio 2.1.1 and gradle version is 2.1.0, project is ru ing on buildToolsVersion "23.0.3". I moment ago studio was working fine. Then i added a image file from "new" - "Image asset" and cleaned project. Studio somehow crashed and restarted. From that moment on i am g...

Vote count: 0 I draw some rectangles and then erase and redraw them to simulate movement to the right. However canvas antialiasing makes them leave traces and I don't want to redraw the entire canvas. Here's what I'm talking about And here is the code for that: var canvas = document.getElementById("...

Vote count: 0 During mongodb index creation machine becomes very slow. "Top" command shows that mongodb uses 98% of RAM. I have closed ssh session and after that I can't login by ssh anymore. asked 1 min agokz_sergey Let's block ads! (Why?)

Vote count: 0 My $output array looks like this Array ( [0] => Array ( [country] => Abkhazia [capital] => Sukhumi ) [1] => Array ( [country] => Afghanistan [capital] => Kabul ) [2] => Array ( [country] => Akrotiri and Dhekelia [capital] => Episkopi Cantonment ) [3] => Array ( [country] => Albania [ca...

Vote count: 0 var co ector = new Co ectorClient(); List<Cha elAccount> participants = new List<Cha elAccount>(); var tBot = new Cha elAccount { Cha elId = "telegram", Address = "9digit", IsBot = true, Id = "salodkid_bot", Name = "salodkid_bot" }; participants.Add(tBot); var tUser = new Cha elAccount...

Vote count: -1 I try to use the promise respond from a $http.post, to get back the new ID of the record as integer and use it for the next $http.post. I used How do I retu the response from an asynchronous call? for help but it still don´t work. var streckenId; var trackpunktId; var getStreckeID = f...

Vote count: 0 All, I have a situation where php does not echo inside my isset code. Does anyone know why not? I have confirmed that 'my_id' is coming into the isset block of code by emailing it to myself I use ajax to post the my_id to the same php file where it is captured by the isset <?php if(iss...

Vote count: 0 I have a bootstrap dropdown but i am not able to set the selected menu item as default selected dropdown item? <div class="dropdown"> <button class="btn dropdown-toggle" type="button" id="drpDownCat" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true"> Select a Category<sp...

Vote count: 0 I am displaying some rss content from a vbulletin feed. The retu ed xml is structured like so: "entries":[{"title":"Article Title","link":"http://www.foo.com","author":"","publishedDate":"","contentSnippet":"Forum: forum titlenPosted By: somebodynPost Time: 05-29-2016 at 04:27 PM","con...

Vote count: 0 How to calculate the (e.g., cosine) similarity between one sparse vector and a matrix (i.e., an array of sparse vectors)? Is this possible using scikit-lea , scipy, numpy, etc.? If possible, the similarity metric should be easily changeable. asked 6 mins agoMaVe Let's block ads! (Why?)

Vote count: 0 I'd like to know how to fill EditText field with the values of SharedPreferences. My code is as follows: protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Toolbar toolbar = (Toolbar) findViewById(R.id.toolba...

Vote count: 0 This is the server.js file var express = require('express'); var app = express(); var mongoose = require('mongoose'); var bodyParser = require('body-parser'); app.use(bodyParser.json()); mongoose.co ect("mongodb://localhost/test"); var todoschema = new mongoose.Schema ({ name : {type: ...

Vote count: 0 I'm trying out Realm and ObjectMapper. I have these two models: class User : Object, Mappable { override class func primaryKey() -> String { retu "id" } dynamic var id : String [...] func mapping(_ map: Map) { id <- map["id"] } } class Media, Object, Mappable { override class func prim...

Vote count: 0 I want to get image id from sql database and put it in imageView through RecyclerViewAdapter . Unfortunately I have got no luck until now. -once I tried to put the ids in an array and getting number of array from database and calling the related array, but app force closed. -another ti...

Vote count: 0 I am trying to add a button or link somewhere on the webpage that would disable the <meta> http-equiv redirect in the document head. If I am honest, I have no idea how to go about doing this. If it helps, I am using Bootstrap 3.3.6 I would appreciate if anyone could help me achieve thi...

Vote count: 0 I've been trying to push a new build of an app to Bluemix, but staging keeps failing when it's at "Installing App Management" because it can't create regular files and directories due to the disk quota being exceeded. I've already tried pushing it with "-k 2G", but it it still fails. I...

Vote count: 0 Issue in getting previsouly created HttpSession with Atmosphere request I have already verified following solution, sending cookie in header with JSESSIONID: Solution was to send the cookie in header with JSESSIONID. It was going as 'set-cookie' instead of 'cookie' asked 1 min agoJyoti...