Tutorial by Examples: le

SASS gives you the ability to omit any parameter except the ones you want to overwrite of course. Let's take again the default-box example: @mixin default-box ($color: red, $borderColor: blue) { color: $color; border: 1px solid $borderColor; clear: both; display: block; mar...

The predicate setup_call_cleanup/3, which is currently being considered for inclusion in the Prolog ISO standard and provided by an increasing number of implementations, lets us ensure that resources are correctly freed after an exception is thrown. A typical invocation is: setup_call_cleanup(open...

gem 'any gem',git: 'any repo',branch: 'specific branch of that repo',ref: 'reference no.' ref specifies individual commit. branch specifies the git branch to pull from.

CLR procedures are not enabled by default. You need to run the following queries to enable CLR: sp_configure 'show advanced options', 1; GO RECONFIGURE; GO sp_configure 'clr enabled', 1; GO RECONFIGURE; GO In addition, if some CLR module need external access, you should set TRUSTWORTHY pr...

Procedures, functions, triggers, and types written in .Net languages are stored in .dll files. Once you create .dll file containing CLR procedures you should import it into SQL Server: CREATE ASSEMBLY MyLibrary FROM 'C:\lib\MyStoredProcedures.dll' WITH PERMISSION_SET = EXTERNAL_ACCESS PERM...

Consider a base class Vehicle and its derived class Car as follows: #import <Foundation/Foundation.h> @interface Vehicle : NSObject { NSString *vehicleName; NSInteger vehicleModelNo; } - (id)initWithName:(NSString *)name andModel:(NSInteger)modelno; - (void)print; @end ...

public void Screenshot() throws Throwable{ final byte[] screenshot = ((TakesScreenshot) driver).getScreenshotAs(OutputType.BYTES); scenario.embed(screenshot, "image/png"); // ... and embed it in the report. Thread.sleep(1000); } Alternately public static void captureSc...

Frontend Interface /** * Entity attribute frontend interface * * Frontend is providing the user interface for the attribute * */ interface Mage_Eav_Model_Entity_Attribute_Frontend_Interface { } Source Interface /** * Entity attribute select source interface * * Source is providing ...

In this example we have a file called file.js. Let's assume that you have to parse an URL using JavaScript and NodeJS querystring module. To accomplish this all you have to do is to insert the following statement in your file: const querystring = require('querystring'); var ref = querystring.pa...

This is literally the only thing you need to start using RxJava on Android. Include RxJava and RxAndroid in your gradle dependencies: // use the last version compile 'io.reactivex.rxjava2:rxjava:2.1.1' compile 'io.reactivex.rxjava2:rxandroid:2.0.1' RxAndroid main addition to RxJava is a Sche...

The RxLifecycle library makes it easier binding observable subscriptions to Android activities and fragment lifecycle. Keep in mind that forgetting to unsubscribe an Observable can cause memory leaks and keeping your activity / fragment alive event after it has been destroyed by the system. Add th...

CREATE PROCEDURE SprocWithSimpleLoop ( @SayThis VARCHAR(30), @ThisManyTimes INT ) AS BEGIN WHILE @ThisManyTimes > 0 BEGIN PRINT @SayThis; SET @ThisManyTimes = @ThisManyTimes - 1; END RETURN; END GO

The standard library comes with a rich collection of lazy iterables (and libraries such as Iterators.jl provide even more). Lazy iterables can be composed to create more powerful iterables in constant time. The most important lazy iterables are take and drop, from which many other functions can be c...

Set this attribute in your manifest's or element to enable or disable multi-window display: android:resizeableActivity=["true" | "false"] If this attribute is set to true, the activity can be launched in split-screen and freeform modes. If the attribute is set to false, the...

While launching an application firstly main thread is executed. This Main thread handles all the UI concept of application. If we want to run long the task in which we don't need the UI then we use thread for running that task in background. Here is the example of Thread which describes blow: new ...

Usage to list all folders and files in the current directory: dir A target directory can also be specified: dir C:\TargetPath When specifying a path with spaces, it must be surrounded by quotes: dir "C:\Path With Spaces"

First, add the following permissions to the manifest of your project in order to enable device storage access: <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> ...

From an action controller: $this->getLayout()->getBlock('head')->getTemplate(); /** * Get specified tab grid */ public function gridOnlyAction() { $this->_initProduct(); $this->getResponse()->setBody( $this->getLayout()->createBlock('adminhtml/catalog_product_edit_...

Add-Type -AssemblyName PresentationFramework [xml]$XAMLWindow = ' <Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Height="Auto" SizeToContent="WidthAndHeig...

Simple The Simple Products type should be used for that generally have a single configuration (one-size-fits-all). This might include items such as: A Box of Crayons, Small (24 Colors) A Box of Crayons, Large (64 Colors) SuperHighTech 26” HD Computer Monitor Barrack Obama Action Figure (6”) ...