Tutorial by Examples: l

In the Garbage collection example, we implied that Java solves the problem of memory leaks. This is not actually true. A Java program can leak memory, though the causes of the leaks are rather different. Reachable objects can leak Consider the following naive stack implementation. public class ...

It is common practice to create groups of items by creating simple value nodes with item ID as key. For example, we can add a user to the group "administrators" by creating a node at /administrators/$user_id with a value true. We don't want anyone to know who administrators are, for securi...

Detailed instructions on getting mono set up or installed.

function downloadCsv() { var blob = new Blob([csvString]); if (window.navigator.msSaveOrOpenBlob){ window.navigator.msSaveBlob(blob, "filename.csv"); } else { var a = window.document.createElement("a"); a.href = window.URL.createObjectURL(blob, { ...

Create a new ASP.Net Project: Select the empty template: Add two new folders: App and Scripts in the root folder: Add npm configuration file in the root folder: { "version": "1.0.0", "name": "phaser.js.environment.setup", "priva...

Dim count As Integer = 0 Dim message As String If count = 0 Then message = "There are no items." ElseIf count = 1 Then message = "There is 1 item." Else message = "There are " & count & " items." End If

Creating a List Node class listNode { public: int data; listNode *next; listNode(int val):data(val),next(NULL){} }; Creating List class class List { public: listNode *head; List():head(NULL){} void insertAtBegin(int val); void insertAtEnd(int val)...

Getting You Browser Ready - Polyfill it Create a new landing page for our element, at index.html. Include polyfills for a custom element to work.Also import the custom element g-map, which we registered with Polymer. Note: Webcomponents, are the necessary polyfill for browser support. Polym...

For Searching a place, we use the powerful element that Polymer ships, called google-map-search . All you need to do, is pass a map object and a query string to the element like so: <google-map-search map=[[map]] query=[[query]]></google-map-search> How do we pass the map ob...

Our goal however, was to make a list of places mark all of them on the map and, mark any other place of our choice, by using the search box We have a search box, where the user can search for one query at a time.In order to accommodate multiple queries, we need to cache the results for each ...

<link rel=import href="../bower_components/google-map/google-map.html"> <link rel=import href="../bower_components/google-map/google-map-marker.html"> <link rel=import href="../bower_components/google-map/google-map-search.html"> <link rel=import...

To find the largest items in a collection, heapq module has a function called nlargest, we pass it two arguments, the first one is the number of items that we want to retrieve, the second one is the collection name: import heapq numbers = [1, 4, 2, 100, 20, 50, 32, 200, 150, 8] print(heapq.nl...

The most interesting property of a heap is that its smallest element is always the first element: heap[0] import heapq numbers = [10, 4, 2, 100, 20, 50, 32, 200, 150, 8] heapq.heapify(numbers) print(numbers) # Output: [2, 4, 10, 100, 8, 50, 32, 200, 150, 20] heapq.heappop(numbers) # 2...

Let's create a very simple view to respond a "Hello World" template in html format. To do that go to my_project/my_app/views.py (Here we are housing our view functions) and add the following view: from django.http import HttpResponse def hello_world(request): html = "&lt...

The default Django project template is fine but once you get to deploy your code and for example devops put their hands on the project things get messy. What you can do is separate your source code from the rest that is required to be in your repository. You can find a usable Django project templ...

Sometimes, you want to add listeners on particular events not natively provided by the components, in particular mouse events. To do so, you will have to add them by yourself using an EventTrigger component : using UnityEngine; using UnityEngine.EventSystems; [RequireComponent(typeof( EventTrig...

With Class-Based Views, we use classes instead of methods to implement our views. A simple example of using Class-Based Views looks as follows: from flask import Flask from flask.views import View app = Flask(__name__) class HelloWorld(View): def dispatch_request(self): ret...

Dim classFile : classFile = "carClass.vbs" Dim fsObj : Set fsObj = CreateObject("Scripting.FileSystemObject") Dim vbsFile : Set vbsFile = fsObj.OpenTextFile(classFile, 1, False) Dim myFunctionsStr : myFunctionsStr = vbsFile.ReadAll vbsFile.Close Set vbsFile = Nothing Set fs...

@Configuration @EnableAsync public class ApplicationConfiguration{ @Bean public TaskExecutor getAsyncExecutor() { ThreadPoolTaskExecutor executor = new ThreadPoolTaskExecutor(); executor.setCorePoolSize(2); executor.setThreadNamePrefix("executor-task...

Let say you want to create css/js file specific to a platform. For that you have to create a merges folder in root folder of you cordova porject. In merges folder create directory for each platform (android/ios..). then in specific platform folder create a css/js folder and put your css/js file spec...