Tutorial by Examples: u

You can create classes without names that are not installed in the system by sending newAnonymousSubclass to a class. For example anonymousSet := Set newAnonymousSubclass will assign an anonymous subclass of Set to anonymousSet variable. Then you can compile methods in this class and instantiat...
var s = "Hello"; // The string referenced by variable 's' is normally immutable, but // since it is memory, we could change it if we can access it in an // unsafe way. unsafe // allows writing to memory; methods on Syste...
var scene = new THREE.Scene(); var camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 50); camera.position.z = 25; var renderer = new THREE.WebGLRenderer(); renderer.setSize(window.innerWidth, window.innerHeight); document.body.appendChild(renderer.domElemen...
Prints out string with a newline. with Ada.Text_IO; procedure Put_Text is use Ada.Text_IO; S : String := "Hello"; begin Put_Line ("Hello"); Put_Line (Standard_Output, "Hello"); Put_Line (Standard_Error, "Hello error"); Put_Li...
String bucketName = "bucket"; List<String> nodes = Arrays.asList("node1","node2"); // IP or hostname of one or more nodes in the cluster Cluster cluster = CouchbaseCluster.create(nodes); Bucket bucket = cluster.openBucket(bucketName); //check for a documen...
Queue follow FIFO as it is mentioned in the introduction. Five major operations: Enqueue(x): pushes x to the back of the queue. Dequeue(): pops an element from the front of the queue. isEmpty(): Finds whether the queue is empty or not. isFull(): Finds whether the queue is full or not. frontV...
Memory is efficiently organized in a circular queue as compared to linear queue. In Linear Queue: In Circular Queue: Remaining spaces can be used: Code for it to do the same: #include<stdio.h> #define MAX 10000 int front = -1; int rear = -1; int a[MAX]; bool isFull() { if...
For example if the input is: Output should be false: As 4 in the left sub-tree is greater than the root value(3) If the input is: Output should be true
Linked list representation is more efficient in terms of memory managerment. Code to show enqueue and deque in a Queue using Linklist in O(1) time. #include<stdio.h> #include<malloc.h> struct node{ int data; node* next; }; node* front = NULL; node* rear = NULL; vo...
Detailed instructions on getting gstreamer set up or installed.
Setup ActiveMQ Download a ActiveMQ distribution from activemq.apache.org and unpack it somewhere You can start the server immediately, running unsecured on localhost, using the script bin/activemq When it is running, you can access your local server's console on http://localhost:8161/admin/ Co...
Android Apps are written in Java. The Android SDK tools compile the code, data and resource files into an APK (Android package). Generally, one APK file contains all the content of the app. Each app runs on its own virtual machine(VM) so that app can run isolated from other apps. Android system wor...
If you would like to get base project with methods described below you can download Xamarin.Android application template from my GitHub. You can find examples for: Application lifecycle methods Activity lifecycle methods Fragment lifecycle methods https://github.com/Daniel-Krzyczkowski/Xamar...
What is Kibana: Kibana is used for making visualizations and creating dashboards for the indexes presented in elasticsearch. Basically, it is an open source plug-in for elasticsearch. There are Six Tabs: Discover: You can explore your data from Discover tab Visulization: Creating v...
// Create a new read-only List<String> val list = listOf("Item 1", "Item 2", "Item 3") println(list) // prints "[Item 1, Item 2, Item 3]"
// Create a new read-only Map<Integer, String> val map = mapOf(Pair(1, "Item 1"), Pair(2, "Item 2"), Pair(3, "Item 3")) println(map) // prints "{1=Item 1, 2=Item 2, 3=Item 3}"
// Create a new read-only Set<String> val set = setOf(1, 3, 5) println(set) // prints "[1, 3, 5]"
Visual Basic for Applications (VBA) is the macro language behind all Microsoft Office products and is essentially identical across all Office products. What differs from product to product is the Object model. Excel has workbooks, worksheets and cells. Access has tables and attributes. Outlook h...
You can pass parameters by Bundle: Bundle myBundle = new Bundle(); myBundle.putString(MY_KEY, myValue); Get the value in onCreateLoader: @Override public Loader<String> onCreateLoader(int id, final Bundle args) { final String myParam = args.getString(MY_KEY); ... }
CIDER function cider-eval-last-sexp can be used to execute the the code while editing the code inside the buffer. This function is by default binded to C-x C-e or C-x C-e. CIDER manual says C-x C-e or C-c C-e will: Evaluate the form preceding point and display the result in the echo area and/or ...

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