Tutorial by Examples: t

Reading the contents of a file within a web application can be accomplished by utilizing the HTML5 File API. First, add an input with type="file" in your HTML: <input type="file" id="upload"> Next, we're going to add a change listener on the file-input. This e...

Each pair in the dictionary is an instance of KeyValuePair with the same type parameters as the Dictionary. When you loop through the dictionary with For Each, each iteration will give you one of the Key-Value Pairs stored in the dictionary. For Each kvp As KeyValuePair(Of String, String) In curren...

Dim extensions As New Dictionary(Of String, String) _ from { { "txt", "notepad" }, { "bmp", "paint" }, { "doc", "winword" } } This creates a dictionary and immediately fills it with three KeyValuePairs. You can also add new val...

When you want to allow only certain keys in your arrays, especially when the array comes from request parameters, you can use array_intersect_key together with array_flip. $parameters = ['foo' => 'bar', 'bar' => 'baz', 'boo' => 'bam']; $allowedKeys = ['foo', 'bar']; $filteredParameters =...

Tuples are ordered lists of values of any type. (True, "Hello!", 42) It is impossible to change the structure of a Tuple or update the value. Tuples in Elm are considered a primitive data type, which means that you don't need to import any modules to use Tuples. Accessing values Bas...

Dictionaries are implemented in a Dict core library. A dictionary mapping unique keys to values. The keys can be any comparable type. This includes Int, Float, Time, Char, String, and tuples or lists of comparable types. Insert, remove, and query operations all take O(log n) time. Unlike Tu...

Comparable types are primitive types that can be compared using comparison operators from Basics module, like: (<), (>), (<=), (>=), max, min, compare Comparable types in Elm are Int, Float, Time, Char, String, and tuples or lists of comparable types. In documentation or type definitio...

Get width and height: var width = $('#target-element').width(); var height = $('#target-element').height(); Set width and height: $('#target-element').width(50); $('#target-element').height(100);

Get width and height: var width = $('#target-element').innerWidth(); var height = $('#target-element').innerHeight(); Set width and height: $('#target-element').innerWidth(50); $('#target-element').innerHeight(100);

Get width and height (excluding margin): var width = $('#target-element').outerWidth(); var height = $('#target-element').outerHeight(); Get width and height (including margin): var width = $('#target-element').outerWidth(true); var height = $('#target-element').outerHeight(true); Set widt...

For named (non-anonymous) functions, you can break when the function is executed. debug(functionName); The next time functionName function runs, the debugger will stop on its first line.

The return statement can be a useful way to create output for a function. The return statement is especially useful if you do not know in which context the function will be used yet. //An example function that will take a string as input and return //the first character of the string. function...

From your Mac, download and install Xcode from the Mac App Store following this link. After the installation is complete, open Xcode and select Get started with a Playground: On the next panel, you can give your Playground a name or you can leave it MyPlayground and press Next: Select a locat...

We will see how to center content based on the height of a near element. Compatibility: IE8+, all other modern browsers. HTML <div class="content"> <div class="position-container"> <div class="thumb"> <img src="http://lorempix...

The caption-side property determines the vertical positioning of the <caption> element within a table. This has no effect if such element does not exist. Below an example with two tables with different values set to the caption-side property: The table on the left has caption-side: top whi...

From the official documentation: Gradle. dependencies { compile "com.squareup.picasso:picasso:2.5.2" } Maven: <dependency> <groupId>com.squareup.picasso</groupId> <artifactId>picasso</artifactId> <version>2.5.2</version> </dep...

Picasso.with(context) .load("YOUR IMAGE URL HERE") .placeholder(DRAWABLE RESOURCE) // optional .error(DRAWABLE RESOURCE) // optional .resize(width, height) // optional .rotate(degree) // optional .in...

people := map[string]int{ "john": 30, "jane": 29, "mark": 11, } for _, value := range people { fmt.Println("Age:", value) } Note that when iterating over a map with a range loop, the iteration order is not specified and is not guaranteed to...

Installing Visual Studio If you do not have Visual Studio installed, you can download the free Visual Studio Community Edition here. If you already have it installed, you can proceed to the next step. Creating an ASP.NET Core MVC Application. Open Visual Studio. Select File > New Project. ...

Share simple information with differents apps. Intent sendIntent = new Intent(); sendIntent.setAction(Intent.ACTION_SEND); sendIntent.putExtra(Intent.EXTRA_TEXT, "This is my text to send."); sendIntent.setType("text/plain"); startActivity(Intent.createChooser(sendIntent, get...