Tutorial by Examples: u

CoffeeScript allows to deconstruct objects and arrays when they are fed to functions as arguments. A function that leverages deconstruction will specify in its signature all the fields that are expected within its body. When invoking such function, an object or array containing all the expected fie...

XML <Goku> <child name="Gohan"/> <child name="Goten"/> </Goku> XPATH count(/Goku/child) OUTPUT 2.0

XML <House> <LivingRoom> <plant name="rose"/> </LivingRoom> <TerraceGarden> <plant name="passion fruit"/> <plant name="lily"/> <plant name="golden duranta"/> ...

Enums are defined by the following the syntax above. typedef NS_ENUM(NSUInteger, MyEnum) { MyEnumValueA, MyEnumValueB, MyEnumValueC, }; You also can set your own raw-values to the enumeration types. typedef NS_ENUM(NSUInteger, MyEnum) { MyEnumValueA = 0, MyEnumValueB =...

The example below will collect the Device's OS version number and the the version of the application (which is defined in each projects' properties) that is entered into Version name on Android and Version on iOS. First make an interface in your PCL project: public interface INativeHelper { /...

When object's are linked by a lookup or master-detail relationship, the parent records field's can be referenced from the child record or 'base object' in a query. This is also known as upwards traversal. SELECT FirstName, Account.Name, Account.Category__c FROM Contact It's possible to traverse ...

Any public Sub, Function, or Property inside a class module can be called by preceding the call with an object reference: Object.Procedure In a DateRange class, a Sub could be used to add a number of days to the end date: Public Sub AddDays(ByVal NoDays As Integer) mEndDate = mEndDate + No...

<?php $ch = curl_init(); //curl handler init curl_setopt($ch,CURLOPT_URL,"http://www.google.com/search?q=curl"); curl_setopt($ch,CURLOPT_RETURNTRANSFER,true);// set optional params curl_setopt($ch,CURLOPT_HEADER, false); $result=curl_exec($ch); ...

Swift UIApplication.sharedApplication().preferredContentSizeCategory Objective-C [UIApplication sharedApplication].preferredContentSizeCategory; This returns a content size category constant, or an accessibility content size category constant.

//Create Connection $conn = sqlsrv_connect($dbServer, $connectionInfo); $query = "SELECT * FROM [table]"; $stmt = sqlsrv_query($conn, $query); Note: the use of square brackets [] is to escape the word table as it is a reserved word. These work in the same way as backticks ` do in ...

To call a stored procedure on the server: $query = "{call [dbo].[myStoredProcedure](?,?,?)}"; //Parameters '?' includes OUT parameters $params = array( array($name, SQLSRV_PARAM_IN), array($age, SQLSRV_PARAM_IN), array($count, SQLSRV_PARAM_OUT, SQLSRV_PHPTYPE_INT) //$cou...

$conn = sqlsrv_connect($dbServer, $connectionInfo); $query = "SELECT * FROM [users] WHERE [name] = ? AND [password] = ?"; $params = array("joebloggs", "pa55w0rd"); $stmt = sqlsrv_query($conn, $query, $params); If you plan on using the same query statement more...

There are 3 main ways to fetch results from a query: sqlsrv_fetch_array() sqlsrv_fetch_array() retrieves the next row as an array. $stmt = sqlsrv_query($conn, $query); while($row = sqlsrv_fetch_array($stmt)) { echo $row[0]; $var = $row["name"]; //... } sqlsrv_fetch...

You have to create a different strings.xml file for every new language. Right-click on the res folder Choose New → Values resource file Select a locale from the available qualifiers Click on the Next button (>>) Select a language Name the file strings.xml strings.xml <resources&...

When first introduced, AsyncTasks were executed serially on a single background thread. Starting with DONUT, this was changed to a pool of threads allowing multiple tasks to operate in parallel. Starting with HONEYCOMB, tasks are executed on a single thread to avoid common application errors caused ...

if(A_TimeIdlePhysical > 60000) { ; 60,000 milliseconds WinClose, ahk_class Chrome_WidgetWin_1 MsgBox, Google Chrome was closed due to user inactivity. } This check could be done periodically, e.g. using SetTimer.

This example inserts/sends the current day of the week's full name (e.g. Sunday) whenever Ctrl + Alt + D is pressed: ^!d::Send, %A_DDDD%

myDebt := 9000 index := RegExMatch("You owe me $42", "\$(\d+)", dollars) if(index > 0) { ; indices are usually 1-based in AHK myDebt += dollars1 MsgBox, Current debt: %myDebt% } Result: Current debt: 9042

The unsafe keyword can be used in type or method declarations or to declare an inline block. The purpose of this keyword is to enable the use of the unsafe subset of C# for the block in question. The unsafe subset includes features like pointers, stack allocation, C-like arrays, and so on. Unsafe ...

You can use the following code for going back and forward. if (!function_exists('codepoint_encode')) { function codepoint_encode($str) { return substr(json_encode($str), 1, -1); } } if (!function_exists('codepoint_decode')) { function codepoint_decode($str) { re...