Tutorial by Examples: el

A bit-field is used to club together many variables into one object, similar to a structure. This allows for reduced memory usage and is especially useful in an embedded environment. e.g. consider the following variables having the ranges as given below. a --> range 0 - 3 b --> range 0 -...

- Without quotes: You can just split a long piece of text like this. - With quotes: "[But be careful: if you \"need\" punctuation, put double quotes around it. You can ev\ en split without spaces by using backslashes." - Or single quotes: 'This wor...

All programming languages allow us to assign values to variables. Usually, a value is assigned to variable, standing on left side. The prototype of the overall assignment operations in any contemporary programming language looks like this: left_operand assignment_operand right_operand instructions_...

// PixelAccessTutorial.cpp : Defines the entry point for the console // Environment: Visual studio 2015, Windows 10 // Assumptions: Opecv is installed configured in the visual studio project // Opencv version: OpenCV 3.1 #include "stdafx.h" #include<opencv2/core/core.hpp> #i...

It's also possible to use selectors together. This is done by using the OpenQA.Selenium.Support.PageObjects.ByChained object: element = driver.FindElement(new ByChained(By.TagName("input"), By.ClassName("class")); Any number of Bys can be chained and are used as an AND type ...

This class open a .gz file (usual format of compressed log files) and will return a line at each call of .NextLine() There is no memory usage for temporary decompression, very useful for large file. Imports System.IO Class logread_gz Private ptr As FileStream Private UnGZPtr As Compress...

Overview Android Studio's built-in update mechanism can be set to receive updates through any one of these four channels: Canary: Bleeding edge, released about weekly. These are early previews released in order to obtain real-world feedback during development. The canary channel will always have...

productFlavors { // Define separate dev and prod product flavors. dev { // dev utilizes minSDKVersion = 21 to allow the Android gradle plugin // to pre-dex each module and produce an APK that can be tested on // Android Lollipop without time c...

Let's understand something. JavaEE consists of a number of specifications. When you install an Application Server (Payara for example), you install all of the specifications at once. For example there's a specification for an ORM called JPA (Java Persistence API), a specification to build Component ...

(The following is a simplified version of what the Java Language Specification says. For a deeper understanding, you need to read the specification itself.) Happens-before relationships are the part of the Memory Model that allow us to understand and reason about memory visibility. As the JLS say...

To query a field which name is contained in a variable, use the field function. some_field = :id some_value = 10 from p in Post, where: field(p, ^some_field) == ^some_value

Send a Razor part to a @helper, for example a HTML div. @helper WrapInBox(Func<Object, HelperResult> content) { <div class="box">@content(null) </div> } //call @WrapInBox(@<div> I'm a inner div </div>)

@Helpers could be shared between views. They should be created in the folder App_Code @helper CreatePrimaryBootstrapButton(string label) { <button type="button" class="btn btn-primary">@label</button> } //call @MenuHelpers.CreatePrimaryBootstrapButton...

Installation Additional dependencies are required for Redis support. Install both Celery and the dependencies in one go using the celery[redis] bundle: $ pip install -U celery[redis] Configuration Configure the location of your Redis database: BROKER_URL = 'redis://localhost:6379/0' The UR...

To list available login shells : cat /etc/shells Example: $ cat /etc/shells # /etc/shells: valid login shells /bin/sh /bin/dash /bin/bash /bin/rbash

This example uses Angular 2.0.0 Final Release registration-form.component.ts import { FormGroup, FormControl, FormBuilder, Validators } from '@angular/forms'; @Component({ templateUrl: "./registration-form.html" }) export class ExampleComponent { ...

// If you find yourself doing something like this... function fieldChanged(type, name, index) { if (name == 'salesrep') { var salesRepId = nlapiGetFieldValue('salesrep'); var salesRepEmail = nlapiLookupField('employee', salesRepId, 'email'); nlapiSetFieldValue('custb...

It is a basic human instinct to assess risk and to accept or take some kind of action on that risk. This is the essence of security, which is the body of knowledge that provides a framework around this instinct. Security defines three key concepts in a triangular paradigm - Confidentiality, Integri...

OS: Mac OS X 10.11 (Should work on Windows / Linux since we are using Vagrant) Vagrant 1.8.4 Installed Directory Structure on Host OS (Mac OS): /path/to/project /provision /packages Note: If you use different vesions, be sure to update Variables at top of provision.sh script b...

This Example assumes you setup as explained in Example: Setting Up Environment for aurelia-cli Explained of this document. Creating a new project In main host os, open terminal (Mac OS in my case) $cd /path/to/project/vagrant $vagrant up (Launches VM GUI) Log into VM via UI U...