Tutorial by Examples: l

The core data structure in numpy is the ndarray (short for n-dimensional array). ndarrays are homogeneous (i.e. they contain items of the same data-type) contain items of fixed sizes (given by a shape, a tuple of n positive integers that specify the sizes of each dimension) One-dimensional ar...

Open Visual Studio Select File --> New --> Project menu or push Ctrl + Shift + N buttons Select Outlook VSTO Add-in template Add the following code to the project: private void ThisAddIn_Startup(object sender, System.EventArgs e) { MessageBox.Show("Hel...

Integral type ranges ( IntRange , LongRange , CharRange ) have an extra feature: they can be iterated over. The compiler takes care of converting this analogously to Java's indexed for-loop, without extra overhead for (i in 1..4) print(i) // prints "1234" for (i in 4..1) print(i) // pri...

To create a range which does not include its end element, you can use the until function: for (i in 1 until 10) { // i in [1, 10), 10 is excluded println(i) }

This will be a very basic app which will illustrate different ModalpresentationStyle in iOS. According to documentation found here, There are 9 different values for UIModalPresentationStyle which are as follows, fullScreen pageSheet formSheet currentContext custom overFullScreen overCurrent...

When generating new Angular 2 components in a .NET Core project, you may run into the following errors (as of version 0.8.3): Error locating module for declaration SilentError: No module files found OR No app module found. Please add your new Class to your component. Identica...

Like other value types, GUID also has a nullable type which can take null value. Declaration : Guid? myGuidVar = null; This is particularly useful when retrieving data from the data base when there is a possibility that value from a table is NULL.

JavaScript: Vue.component('props-component', { template: '#props-component-template', // array of all props props: ['myprop', 'calcprop'] }); new Vue({ el: '#app' }); HTML: <div id="app"> <template id="props-component-template"> ...

import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Set; public class SetAndListExample { public static void main( String[] args ) { System.out.println("List example ....."); List list = new ArrayList(); list.add("1"); list.a...

import java.sql.*; class Rsmd { public static void main(String args[]) { try { Class.forName("oracle.jdbc.driver.OracleDriver"); Connection con = DriverManager.getConnection( "jdbc:oracle:thin:@localhost:1521:xe", ...

This is an Example which print rectangle and fill color in the rectangle. https://i.stack.imgur.com/dlC5v.jpg Most methods of the Graphics class can be divided into two basic groups: Draw and fill methods, enabling you to render basic shapes, text, and images Attributes setting methods, whic...

import javax.swing.*; import java.awt.*; public class MyPanel extends JPanel { @Override public void paintComponent(Graphics g){ // clear the previous painting super.paintComponent(g); Graphics2D g2 = (Graphics2D)g; g2.setColor(Co...

Dim rng As New Random() This declares an instance of the Random class called rng. In this case, the current time at the point where the object is created is used to calculate the seed. This is the most common usage, but has its own problems as we shall see later in the remarks Instead of allowin...

The following features added in SQL Server 2000 from its previous version: New data types were added (BIGINT, SQL_VARIANT, TABLE) Instead of and for Triggers were introduced as advancement to the DDL. Cascading referential integrity. XML support User defined functions and partition views. In...

MySQL Workbench is available for all major operating systems -Windows, Linux, Mac- You can find the version for you operating system from here. For windows: It uses the msi (Windows installer) to install packages. You only need to right click install and it starts. For Linux: There are multiple ....

LinearLayout is a view group that aligns all children in a single direction, vertically or horizontally. <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width=&q...

Detailed instructions on getting oracle12c set up or installed.

Jenkins: The leading open source automation server, Jenkins provides hundreds of plugins to support building, deploying and automating any project. Sonar Qube: SonarQube provides the capability to not only show health of an application but also to highlight issues newly introduced. Apache Ant: A...

A clean way to handle booleans is using an inline conditional with the a ? b : c ternary operator, which is part of Swift's Basic Operations. The inline conditional is made up of 3 components: question ? answerIfTrue : answerIfFalse where question is a boolean that is evaluated and answerIfTrue...

While eval may not be needed for a pop like function, it is however required whenever you use getopt: Consider the following function that accepts -h as an option: f() { local __me__="${FUNCNAME[0]}" local argv="$(getopt -o 'h' -n $__me__ -- "$@")" e...