Tutorial by Examples: ev

Donald Knuth is often quoted as saying this: "Programmers waste enormous amounts of time thinking about, or worrying about, the speed of noncritical parts of their programs, and these attempts at efficiency actually have a strong negative impact when debugging and maintenance are considered....

When you logged into Odoo application you will find an option to see who is the current logged in person in the top right corner. This user information have a dropdown button. Click on the dropdown, then you will find a list. In that list select about Odoo.com option. Clicking on that will open a Ab...

Java expressions are evaluated following the following rules: Operands are evaluated from left to right. The operands of an operator are evaluated before the operator. Operators are evaluated according to operator precedence Argument lists are evaluated from left to right. Simple Example I...

SampleViewModel.vb 'Import classes related to WPF for simplicity Imports System.Collections.ObjectModel Imports System.ComponentModel Public Class SampleViewModel Inherits DependencyObject 'A class acting as a ViewModel must inherit from DependencyObject 'A simple string p...

import cv2 def canny_webcam(): "Live capture frames from webcam and show the canny edge image of the captured frames." cap = cv2.VideoCapture(0) while True: ret, frame = cap.read() # ret gets a boolean value. True if reading is successful (I think). frame ...

<?php $visit = 1; if(file_exists("counter.txt")) { $fp = fopen("counter.txt", "r"); $visit = fread($fp, 4); $visit = $visit + 1; } $fp = fopen("counter.txt", "w"); fwrite($fp, $visit); echo "Total Site Visits: &qu...

Using the EventFiringWebDriver. You can attach WebDriverEventListener to it and override methodes, ie the onException method: EventFiringWebDriver driver = new EventFiringWebDriver(new FirefoxDriver()); WebDriverEventListener listener = new AbstractWebDriverEventListener() { @Override pu...

Add this lane to your Fastfile and run fastlane installAll type:{BUILD_TYPE} in command line. Replace BUILD_TYPE with the build type you want to build. For example: fastlane installAll type:Debug This command will build all flavors of given type and install it to your device. Currently, it doesn't...

Create a sample table on a sample database CREATE TABLE [dbo].[Table_1]( [Id] [int] IDENTITY(1,1) NOT NULL, [title] [varchar](50) NULL, CONSTRAINT [PK_Table_1] PRIMARY KEY CLUSTERED ( [Id] ASC )WITH (PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, IGNORE_DUP_KEY = OFF, ALLOW_ROW_...

Nested if()...else statements take more execution time (they are slower) in comparison to an if()...else ladder because the nested if()...else statements check all the inner conditional statements once the outer conditional if() statement is satisfied, whereas the if()..else ladder will stop condit...

In a saved search formula, the possible values of mainline are designed to be useful in an HTML context. When mainline is true, the value of {mainline} is the 1-character string * (asterisk). When mainline is false, the value of {mainline} is the 6-character string   (non-breaking space, HT...

$args = array( 'post_type'=>'post', 'posts_per_page' =>'10' ); $latest_posts_query = new WP_Query( $args ); if($latest_posts_query->have_posts()) : while ( $latest_posts_query-> have_posts()) : $latest_posts_query->the_post(); //Get post details here endwhile; endif; ...

Vibrate the device for 100ms: window.navigator.vibrate(100); or window.navigator.vibrate([100]);

Display the date by itself (custom field is tour_date): <p>Tour Date <?php the_field('tour_date');?></p>

Implementing the Behavior This behavior will cause mouse wheel events from an inner ScrollViewer to bubble up to the parent ScrollViewer when the inner one is at either its upper or lower limit. Without this behavior, the events will never make it out of the inner ScrollViewer. public class Bubbl...

Declare @userList Table(UserKey VARCHAR(60)) Insert into @userList values ('bill'),('jcom'),('others') --Declared a table variable and insert 3 records Declare @text XML Select @text = ( select UserKey from @userList for XML Path('user'), root('group') ) --Set the XML value from ...

The eventing mechanism is an extended version of the public render param,with additonal feature to pass custom objects to other portlets,but with an overhead of event phase. To achieve this,this mechanism consists of Publisher portlet Processor(consumer) portlet,where both may be part of differ...

Prerequiste steps: Get dotnet core for your platform: Dotnet Core Follow instructions and make sure dotnet core is working Get Visual Studio Code for your platform: VS Code Launch Visual Studio Code (VS code) and install the C# extension then reload Create self hosted NancyFx project: ...

Razor (MVC)ASPX (Web Forms)The namespace used by the Razor View Engine is System.Web.RazorThe namespace used by the ASPX View Engine is System.Web.Mvc.WebFormViewEngineThe file extensions used by the Razor View Engine are different from a web form view engine. It uses cshtml with C# and vbhtml with ...

public class Main extends JavaPlugin { @Override public void onEnable() { Bukkit.getPluginManager().registerEvents(this, this); } @EventHandler public void yourEvent(Event e) { //... } }