Tutorial by Examples: d

MATLAB R2016b featured a generalization of its scalar expansion1,2 mechanism, to also support certain element-wise operations between arrays of different sizes, as long as their dimension are compatible. The operators that support implicit expansion are1: Element-wise arithmetic operators: +, -,...

Abstract base classes (ABCs) enforce what derived classes implement particular methods from the base class. To understand how this works and why we should use it, let's take a look at an example that Van Rossum would enjoy. Let's say we have a Base class "MontyPython" with two methods (jo...

You can set a character set both per table, as well as per individual field using the CHARACTER SET and CHARSET statements: CREATE TABLE Address ( `AddressID` INTEGER NOT NULL PRIMARY KEY, `Street` VARCHAR(80) CHARACTER SET ASCII, `City` VARCHAR(80), `Country` ...

Some data cannot be pickled. Other data should not be pickled for other reasons. What will be pickled can be defined in __getstate__ method. This method must return something that is picklable. On the oposite side is __setstate__: it will receive what __getstate__ created and has to initialize the...

Requirements MongoDB server running on port usually 27017. (type mongod on command prompt to run mongodb server) Php installed as either cgi or fpm with MongoDB extension installed(MongoDB extension is not bundled with default php) Composer library(mongodb/mongodb).(In the project roo...

The .cmdtree command allows to open a .txt file with predefined commands which you can simply double click to execute. How to create command file Create the file using this template windbg ANSI Command Tree 1.0 title {"Window title"} body {"Group Heading"} {"Name...

audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); audioManager.requestAudioFocus(audioListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN_TRANSIENT); changedListener = new AudioManager.OnAudioFocusChangeListener() { @Override public void onAudioFocu...

audioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE); audioManager.requestAudioFocus(audioListener, AudioManager.STREAM_MUSIC, AudioManager.AUDIOFOCUS_GAIN); changedListener = new AudioManager.OnAudioFocusChangeListener() { @Override public void onAudioFocusChange(in...

WPF apps targeting .NET Framework 4.6.2 and later With WPF apps targeting .NET Framework 4.6.2 (and later), the soft keyboard is automatically invoked and dismissed without any additional steps required. WPF apps targeting .NET Framework 4.6.1 and earlier WPF is not primarily touch enabled, whi...

This example shows how to use fast enumeration in order to traverse through an NSArray. With this way you can also track current object's index while traversing. Suppose you have an array, NSArray *weekDays = @[@"Monday", @"Tuesday", @"Wednesday", @"Thursday&quot...

Create engaging user interfaces for Windows Desktop Applications with Blend for Visual Studio, the premier professional design tool for XAML applications. Build beautiful transitions and visualizations using Blend’s full suite of vector drawing tools, powerful template editing features, real-time an...

import numpy as np import cv2 #access a video from your disk #to use the GIF in this example, convert to avi! cap = cv2.VideoCapture('eg_videoRead.avi') #we are going to read 10 frames #we store the frames in a numpy structure #then we'll generate a minimum projection of those frame...

Define parameters private static IMongoClient _client; private static IMongoDatabase _database; private static IMongoCollection< -collection class name- > _collection; Assign values to parameters _client = new MongoClient("mongodb://localhost:27017"); _database = _client.GetD...

Its common for datatables to have a checkbox to select multiple rows. If the data is spread across multiple pages, it could be difficult for the user to view the records he selected. To enable the user view all the selected records in one go, we usually use a hyperlink that when clicked displays onl...

Below is an example for implementing a Search input box that helps users to search the occurances of a particular value across the datatable. In the below example, #report is the div id of the div that contains the search input box. This function is called as soon as the user enters a value in this...

To cycle the level of outline shown: Tab Cycle outline level for one heading Shift-Tab Cycle outline level for the whole document To cycle through TODO states: Shift-Right Arrow Shift-Left Arrow To increase or decrease hierarchical level for a heading Meta-Right Arrow Make lower le...

Showing Basic Example of the View Page in Yii2 For New Learners These are basic classes you must to add to create form using yii2 ActiveForm <?php Use yii\helpers\Html; Use yii\widgets\ActiveForm; The Below line will start the form tag for our form below showing example shows that how to...

There are many classes available in CIM and WMI which are separated into multiple namespaces. The most common (and default) namespace in Windows is root/cimv2. To find the righ class, it can useful to list all or search. List available classes You can list all available classes in the default name...

From java tutorial The dictionary definition of polymorphism refers to a principle in biology in which an organism or species can have many different forms or stages. This principle can also be applied to object-oriented programming and languages like the Java language. Subclasses of a class can ...

You can add different dependencies for a specific product flavor. Just use the <flavorName>Compile 'group:name:x.y.z' syntax: android { ... productFlavors { flavor1 { //..... } flavor2 { //..... } } } ... d...