Tutorial by Examples: ar

iOS 10 Now Requires User Permission to Access Media Library, Photos, Camera and other Hardware like these. The solution for this is to add their keys into info.plist with description for user that how we are using their data , iOS already required permissions to access microphone, camera, and m...

Use may now use the connExecute-Function for executing a query. You have the option to get the query result as an object or array. The result ist printed to console.log. function connExecute(err, connection) { if (err) { console.error(err.message); return; } sql = ...

It is sometimes easiest to just declare a global of type any, especially in simple projects. If jQuery didn't have type declarations (it does), you could put declare var $: any; Now any use of $ will be typed any.

In lua, the logical operators and and or returns one of the operands as the result instead of a boolean result. As a consequence, this mechanism can be exploited to emulate the behavior of the ternary operator despite lua not having a 'real' ternary operator in the language. Syntax condition and...

NSMutableArray *array = [NSMutableArray arrayWithObjects:@"Ken", @"Tim", @"Chris", @"Steve",@"Charlie",@"Melissa", nil]; NSPredicate *bPredicate = [NSPredicate predicateWithFormat:@"SELF beginswith[c] 'c'"]; NSArray ...

To display current version, we can use VERSION from @angular/core package. import { Component, VERSION } from '@angular/core'; @Component({ selector: 'my-app', template: `<h1>Hello {{name}}</h1> <h2>Current Version: {{ver}}</h2> `, }) export class AppCompone...

A common usecase is to discard certain rest-calls, that are not needed any more after certain user-inputs. The most prominent example would be, when a user uses some search-function, makes a request, makes another request and for some reason the first request arrives after the second request and the...

In the same way as in Open Terminal in current Xcode project folder example, you can add clear of derived data folder with hotkey. Create custom behavior (follow the steps in Open Terminal in current Xcode project folder). But use another script. Script text: #!/bin/bash rm -rf $HOME"/Lib...

//create a new ExcelPackage using (ExcelPackage excelPackage = new ExcelPackage()) { //create a WorkSheet ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets.Add("Sheet 1"); //fill cell data with a loop, note that row and column indexes start at 1 Random rnd...

//create a new ExcelPackage using (ExcelPackage excelPackage = new ExcelPackage()) { //create a WorkSheet ExcelWorksheet worksheet = excelPackage.Workbook.Worksheets.Add("Sheet 1"); //fill cell data with a loop, note that row and column indexes start at 1 Random rnd...

func isValidEmail(email: String) -> Bool { let emailRegEx = "[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}" let emailTest = NSPredicate(format:"SELF MATCHES %@", emailRegEx) return emailTest.evaluate(with: email) } or you could use String extensio...

The following tests range A2 to A7 for duplicate values. Remark: This example illustrates a possible solution as a first approach to a solution. It's faster to use an array than a range and one could use collections or dictionaries or xml methods to check for duplicates. Sub find_duplicates() ...

To test an add-on you are developing, you will likely desire to install it in Firefox temporarily. You can do so by loading it as a Temporary Add-on. To do so: Go to about:debugging Click on "Load Temporary Add-on" In the file picker, navigate to the directory containing the add-on f...

Where command line arguments are supported they can be read in via the get_command_argument intrinsic (introduced in the Fortran 2003 standard). The command_argument_count intrinsic provides a way to know the number of arguments provided at the command line. All command-line arguments are read in ...

Using a regular expression, parse a record name that might be hierarchical. The expression looks for the final colon in the name. It returns what follows the colon, or the entire name if none: regexp_substr( {name} , '[^:]*$' )

This guide is intended to get you started on creating your own User Interface by subclassing the LeftAndMain class. By the end of this guide, you will have created your first Hello World interface in the Administration Panel. Requirements This guide requires you to have at least version 3.* of th...

Variable declaration @buttonColor: #FF0000; /* Now you can use @buttonColor variable with css Functions. */ .product.into.detailed { additional-attributes{ .lib-table-button( background-color: @buttonColor; ); } } Here function lib-tabgle-button used v...

A higher-order function, as opposed to a first-order function, can have one of three forms: One or more of its parameters is a function, and it returns some value. It returns a function, but none of its parameters is a function. Both of the above: One or more of its parameters is a fu...

Comparator cmp = [ compare:{ a, b -> a <=> b } ] as Comparator def col = [ 'aa', 'aa', 'nn', '00' ] SortedSet sorted = new TreeSet( cmp ) sorted.addAll col assert '[00, aa, nn]' == sorted.toString()

my @letters = ( 'a' .. 'z' ); # English ascii-bet print $letters[ rand @letters ] for 1 .. 5; # prints 5 letters at random How it works rand EXPR expects a scalar value, so @letters is evaluated in scalar context An array in scalar context returns the number of elements it ...