Tutorial by Examples: reat

For instance you have a bundle, which generated by the symfony console. In this case in the DependencyInjection/Configuration.php you have to insert your configuration representation: $treeBuilder = new TreeBuilder(); $rootNode = $treeBuilder->root('amazingservice'); $rootNod...

A Frame is created like any other controls: <Frame x:Name="contentRoot" Navigated="OnNavigated" Navigating="OnNavigating" /> The navigated/navigating events can then be intercepted to cancel the navigation or show/hide the back button. private...

An input port can be created in many ways, but usually the method starts with open-input-. String port You can use a string as a port using open-input-string. It will create a port that will be able to read from the string. (define p (open-input-string "(a . (b . (c . ()))) 34")) ...

A pair can be create with the cons function. The name of the function stand for constructor. In Scheme, everything is pretty much based on pairs. (cons a b) The function return a pair containing the element a and b. The first parameter of cons is called car (Content Address Register) and the sec...

List in scheme are nothing else than a series of pairs nested in each other in the cdr of a cons. And the last cdr of a proper list is the empty list '(). To create the list (1 2 3 4), we'd have something like this: (cons 4 '()) > (4) (cons 3 (cons 4 '())) > (3 4) (cons 2 (cons 3 (cons 4...

NSMutableAttributedString * string = [[NSMutableAttributedString alloc] initWithString:@"firstsecondthird"]; [string addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(0,5)]; [string addAttribute:NSForegroundColorAttributeName value:[UIColor greenColo...

If a view is created WITH SCHEMABINDING, the underlying table(s) can't be dropped or modified in such a way that they would break the view. For example, a table column referenced in a view can't be removed. CREATE VIEW dbo.PersonsView WITH SCHEMABINDING AS SELECT name, address FROM d...

You can create new commands via php artisan make:command [commandName] So this will create [commandName] command class inside app/Console/Commands directory. inside this class you will find protected $signature and protected $description variables, it represents name and discription of your comma...

<?php $visit = 1; if(file_exists("counter.txt")) { $fp = fopen("counter.txt", "r"); $visit = fread($fp, 4); $visit = $visit + 1; } $fp = fopen("counter.txt", "w"); fwrite($fp, $visit); echo "Total Site Visits: &qu...

Dim oDic Set oDic = CreateObject("Scripting.Dictionary") oDic.Add "US", "United States of America" oDic.Add "UK", "United Kingdom"

First Test.class: package foo.bar public class Test { } Also Test.class in another package package foo.bar.baz public class Test { } The above is fine because the two classes exist in different packages.

When a class needs to be provided with hard dependencies best practice is to use a constructor injection pattern where those dependencies are injected using a factory. Let's assume that MyClass is hard dependent on a value $dependency that needs to be resolved from the application config. <?php...

Let's say that you have the following class: public class PersonInfo { public int ID { get; set; } [Display(Name = "First Name")] [Required(ErrorMessage = "Please enter your first name!")] public string FirstName{ get; set; } [Display(Name = "L...

public String getCitiesByCountry(String countryName) throws MalformedURLException, IOException { //Code to make a webservice HTTP request String responseString = ""; String outputString = ""; String wsURL = "http://www.webservicex.com/globalweather.asm...

JavaScript allows us to define getters and setters in the object literal syntax. Here's an example: var date = { year: '2017', month: '02', day: '27', get date() { // Get the date in YYYY-MM-DD format return `${this.year}-${this.month}-${this.day}` }, ...

To add user, use following command htpasswd /etc/subversion/passwd user_name Specify user_name with the username you wish to add in above command. It will prompt to provide password for the user. If you are creating very first user, you need to add –c switch in above command, which will create th...

Groups can be defined in /etc/subversion/svn_access_control file. Create/edit the file using following command nano /etc/subversion/svn_access_control Use syntax specified as below to define groups and assign members. [groups] groupname = <list of users, comma separated> e.g. [groups]...

Here is a very simple example of a function that "promises to proceed when a given time elapses". It does that by creating a new Deferred object, that is resolved later and returning the Deferred's promise: function waitPromise(milliseconds){ // Create a new Deferred object using th...

You can use Map<String, List<String>> myMap = new HashMap<>(); instead of Map<String, List<String>> myMap = new HashMap<String, List<String>>(); However, you can't use List<String> list = new ArrayList<>(); list.add("A"); ...

If shift is called outside of a delimiting reset block, it can be used to create functions that themselves create continuations inside a reset block. It is important to note that shift's type is not just (((A => B) => C) => A), it is actually (((A => B) => C) => (A @cpsParam[B, C])...