Tutorial by Examples: r

In C++, looping through a sequence container c can be done using indexes as follows: for(size_t i = 0; i < c.size(); ++i) c[i] = 0; While simple, such writings are subject to common semantic errors, like wrong comparison operator, or wrong indexing variable: for(size_t i = 0; i <= c.size(...

Options are used for adding capabilities such as "User-Agent". Example in C#: var options = new PhantomJSOptions(); options.AddAdditionalCapability("phantomjs.page.settings.userAgent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64; rv:25.0) Gecko/20100101 Firefox/25.0&qu...

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" /> ...

GNU awk supports a sub-string extraction function to return a fixed length character sequence from a main string. The syntax is *substr(string, start [, length ])* where, string is source string and start marks the start of the sub-string position you want the extraction to be done for an optio...

To Convert you date in dd/MM/yyyy format into milliseconds you call this function with data as String public long getMilliFromDate(String dateFormat) { Date date = new Date(); SimpleDateFormat formatter = new SimpleDateFormat("dd/MM/yyyy"); try { date = formatter.p...

Turn on Debug from menu - view > debug it return some error during start debug, show pop out notification and open launch.json from this popup notification It is just because of launch.json not set for your workspace. copy and paste below code in to launch.json //new launch.json your old lau...

If the response has already been created and set on the response object outside the regular rendering process (e.g., in an observer), the 'no-renderLayout' flag can be set on the action controller using Mage::app()->getFrontController()->getAction()->setFlag('','no-renderLayout'); ...

Mage_Core_Block_Template Mage_Core_Block_Text_List Mage_Core_Block_Messages Mage_Core_Block_Text_Tag Mage_Core_Block_Text Mage_Page_Block_Template_Links All blocks are either structural blocks or All blocks are either structural blocks or content blocks. Example: core/text_list Example ...

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...

/** * Magento * * NOTICE OF LICENSE * * This source file is subject to the Open Software License (OSL 3.0) * that is bundled with this package in the file LICENSE.txt. * It is also available through the world-wide-web at this URL: * http://opensource.org/licenses/osl-3.0.php * If y...

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”) ...

In the manifest we have fours dangerous runtime permissions from two groups. <!-- Required to read and write to shredPref file. --> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/> <uses-permission android:name="android.permission.READ_EXTE...

In this context, using the this pointer isn't entirely necessary, but it will make your code clearer to the reader, by indicating that a given function or variable is a member of the class. An example in this situation: // Example for this pointer #include <iostream> #include <string>...

This is an actual useful strategy to differentiate member data from parameters... Lets take this example : // Dog Class Example #include <iostream> #include <string> using std::cout; using std::endl; /* * @class Dog * @member name * Dog's name * @function bark * ...

PHPUnit has two assertions to check values of class properties: assertAttributeSame($expected, $actualAttributeName, $actualClassOrObject, $message = '') assertAttributeNotSame($expected, $actualAttributeName, $actualClassOrObject, $message = '') These methods will check the value of a object p...

Since Sphinx is available on the Python Package Index, it can be installed using pip: pip install Sphinx or you can also install using easy_install easy_install -U sphinx Then you can check that it has been correctly installed by executing the following command: > sphinx-quickstart --ver...

Variables can be used in string interpolation. This allows you to dynamically generate selectors, properties and values. And the syntax for doing so a variable is #{$variable}. $className: widget; $content: 'a widget'; $prop: content; .#{$className}-class { #{content}: 'This is #{$content}'...

Some CSS properties belong to a namespace, for instance border-right belongs to the border namespace. To write less, we can utilize property nesting, and skip these prefixes, even on multiple levels. If we needed to create a border on the right and left of a class named .borders we could write this...