Tutorial by Examples: l

Drupal Console The new CLI for Drupal. A tool to generate boilerplate code, interact with and debug Drupal. First, we need to install Drupal Console. Drupal Console is needed not only for this time, but for future installations. # Run this in your terminal to get the latest project version: cur...

<PROJECT_ROOT>\app\build.gradle is specific for app module. <PROJECT_ROOT>\build.gradle is a "Top-level build file" where you can add configuration options common to all sub-projects/modules. If you use another module in your project, as a local library you would have another...

/** * The buildscript {} block is where you configure the repositories and * dependencies for Gradle itself--meaning, you should not include dependencies * for your modules here. For example, this block includes the Android plugin for * Gradle as a dependency because it provides the addition...

/** * The first line in the build configuration applies the Android plugin for * Gradle to this build and makes the android {} block available to specify * Android-specific build options. */ apply plugin: 'com.android.application' /** * The android {} block is where you configure all...

In Aurelia all HTML templates are defined inside of opening and closing <template></template> tags. All of your HTML and Aurelia specific logic goes inside of these template tags and cannot exist outside of them. <template> </template>

Looping over an iterable defined inside of your viewmodel or passed through as a bindable (if a Custom Attribute or Custom Element) can be done like so. An array of string values export class MyViewModel { myIterable = ['String 1', 'String 2', 'String 3', 'String 4']; } <template> ...

Make sure to have a file input on your page: <input type="file" id="upload"> Then in JavaScript: document.getElementById('upload').addEventListener('change', readFileAsString) function readFileAsString() { var files = this.files; if (files.length === 0) { ...

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...

import pandas as pd import numpy as np np.random.seed(0) rng = pd.date_range('2015-02-24', periods=10, freq='T') df = pd.DataFrame({'Val' : np.random.randn(len(rng))}, index=rng) print (df) Val 2015-02-24 00:00:00 1.764052 2015-02-24 00:01:00 0.400157 2015-02...

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...

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 (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.

This example assumes you've installed OCaml. Compiling OCaml Code Create a new file named hello.ml, with the following contents: print_string "Hello world!\n" ocamlc is the OCaml compiler. To compile and run this script, run $ ocamlc -o hello hello.ml and then execute the resulti...

In Python you can compare a single element using two binary operators--one on either side: if 3.14 < x < 3.142: print("x is near pi") In many (most?) programming languages, this would be evaluated in a way contrary to regular math: (3.14 < x) < 3.142, but in Python it ...

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...