Tutorial by Examples: f

in styles.xml add your custom style: <?xml version="1.0" encoding="utf-8"?> <resources> <style name="AppBaseTheme" parent="@android:style/Theme.Light.NoTitleBar.Fullscreen"> </style> </resources> Create your custom...

Notepad++ provides 2 types of features for auto-completion and suggestions: Auto-completion that reads the open file and provide suggestion of words and/or functions within the file Suggestion with the arguments of functions (specific to the language) To enable it, you need to change a settin...

Parameters hints can be customized by the user as indicated in this link: http://docs.notepad-plus-plus.org/index.php/Auto_Completion#How_to_create_keyword_auto-completion_definition_files How to create keyword auto-completion definition files Since version 5.0 Notepad++ has support for so calle...

// Generate stream that references itself in its evaluation lazy val primes: Stream[Int] = 2 #:: Stream.from(3, 2) .filter { i => primes.takeWhile(p => p * p <= i).forall(i % _ != 0) } .takeWhile(_ > 0) // prevent overflowing // Get list of 10 primes assert(primes.take(...

For some use cases, you can use the using syntax to help define a custom scope. For example, you can define the following class to execute code in a specific culture. public class CultureContext : IDisposable { private readonly CultureInfo originalCulture; public CultureContext(string ...

For example, in the sentence: That cake is extremely nice. The rules of the English language would make cake a noun, extremely an adverb that modifies the adjective nice, and through this analysis the meaning could be understood. However, this analysis is dependent on us recognising that the...

This pattern will allow you to filter lines depending on its length $cat file AAAAA BBBB CCCC DDDD EEEE $awk 'length($0) > 4 { print $0 }' file AAAAA $ Anyway, the pattern will allow the next code block to be executed, then, as the default action for AWK is printing the current ...

Pattern matching can be used effectively with awk as it controls the actions that follows it i.e. { pattern } { action }. One cool use of the pattern-matching is to select multiple between two patterns in a file say patternA and patternB $ awk '/patternA/,/patternB/' file Assume my file contents...

Xamarin.Forms provide great mechanism for styling your cross-platforms application with global styles. In mobile world your application must be pretty and stand out from the other applications. One of this characters is Custom Fonts used in application. With power support of XAML Styling in Xamar...

.default-settings() { padding: 4px; margin: 4px; font-size: 16px; border: 1px solid gray; } #demo { .default-settings; } The above example when compiled would only produce the following output. The .default-settings() mixin definition would not be output in the compiled CSS fi...

This trick helps you select an element using the ID as a value for an attribute selector to avoid the high specificity of the ID selector. HTML: <div id="element">...</div> CSS #element { ... } /* High specificity will override many selectors */ [id="element&quo...

The true and false keywords have two uses: As literal Boolean values var myTrueBool = true; var myFalseBool = false; As operators that can be overloaded public static bool operator true(MyClass x) { return x.value >= 0; } public static bool operator false(MyClass x) { ...

A class can have non-static member functions, which operate on individual instances of the class. class CL { public: void member_function() {} }; These functions are called on an instance of the class, like so: CL instance; instance.member_function(); They can be defined either ins...

One can verify whether a method was called on a mock by using Mockito.verify(). Original mock = Mockito.mock(Original.class); String param1 = "Expected param value"; int param2 = 100; // Expected param value //Do something with mock //Verify if mock was used properly Mockito.veri...

Our first element directive will not do much: it will just calculate 2+2 and will be called in html like this: <my-calculator></my-calculator> Notice the name of the directive is myCalculator (in CamelCase), but in html it's used as my-calculator (in lisp-case). Since we want our di...

Factory Method is one of creational design patterns. It is used to deal with the problem of creating objects without specifying exact result type. This document will teach you how to use Factory Method DP properly. Let me explain the idea of it to you on a simple example. Imagine you're working in ...

The DatePicker class has a property, SelectedDate, which enable you to get or set the selected date. If there is none selected, it means its value will be null. if (datePicker.SelectedDate == null) { // Do what you have to do }

Android developers(mainly beginners) have been confused regarding Internal & External storage terminology. There are lot of questions on Stackoverflow regarding the same. This is mainly because of the fact that terminology according to Google/official Android documentation is quite different to...

iOS 6 Within a single line, we can get an UUID like below: Swift let UDIDString = UIDevice.currentDevice().identifierForVendor?.UUIDString Objective-C NSString *UDIDString = [[[UIDevice currentDevice] identifierForVendor] UUIDString]; The identifierForVendor is an unique identifier that st...

First let's create an ExchangeManager object, where the constructor will connect to the services for us. It also has a GetOofSettings method, which will return the OofSettings object for the specified email address : using System; using System.Web.Configuration; using Microsoft.Exchange.WebServic...