Tutorial by Examples: el

Hello World in Oxygene

namespace HelloWorld; interface type App = class public class method Main(args: array of String); end; implementation class method App.Main(args: array of String); begin Console.WriteLine('Hello World'); end; end.

.NET Framework • Getting started with .NET Framework

Hello World in Boo

print "Hello World"

.NET Framework • Getting started with .NET Framework

Gui with functions instead of labels

Example showing how to create Guis using functions instead of labels. Gui, Add, Button, gCtrlEvent vButton1, Button 1 Gui, Add, Button, gCtrlEvent vButton2, Button 2 Gui, Add, Button, gGoButton, Go Button Gui, Add, Edit, vEditField, Example text Gui, Show,, Functions instead of labels CtrlEv...

AutoHotkey • Use functions instead of labels

Hello world

After adding PrimeFaces to your JSF project, you can start using it in your pages using the namespace: xmlns:p="http://primefaces.org/ui" or, for PrimeFaces Mobile: xmlns:p="http://primefaces.org/mobile" This example should render a spinner: <html xmlns="http...

primefaces • Getting started with primefaces

Automatic Package Management with el-get

el-get is an open source package management system for GNU Emacs. el-get works with melpa, as well as with many common version control systms. Its documentation includes a simple self-installer for your .emacs: (unless (require 'el-get nil t) (url-retrieve "https://raw.github.com/dim...

emacs • Package Management

Configure LintOptions with gradle

You can configure lint by adding a lintOptions section in the build.gradle file: android { //..... lintOptions { // turn off checking the given issue id's disable 'TypographyFractions','TypographyQuotes' // turn on the given issue id's enable 'Rtl...

Android • Lint Warnings

How to configure the lint.xml file

You can specify your Lint checking preferences in the lint.xml file. If you are creating this file manually, place it in the root directory of your Android project. If you are configuring Lint preferences in Android Studio, the lint.xml file is automatically created and added to your Android project...

Android • Lint Warnings

Commits per developer

Git shortlog is used to summarize the git log outputs and group the commits by author. By default, all commit messages are shown but argument --summary or -s skips the messages and gives a list of authors with their total number of commits. --numbered or -n changes the ordering from alphabetical (...

Git • Git statistics

Lines of code per developer

git ls-tree -r HEAD | sed -Ee 's/^.{53}//' | \ while read filename; do file "$filename"; done | \ grep -E ': .*text' | sed -E -e 's/: .*//' | \ while read filename; do git blame --line-porcelain "$filename"; done | \ sed -n 's/^author //p' | \ sort | uniq -c | sort -rn

Git • Git statistics

A simple Hello World

In your command line, get in the directory you want to create the project in, then type: composer create-project zendframework/skeleton-application helloWorldTest. During installation, you will be asked if you want a minimal install: Let's say yes for the moment, we are just testing. For simplicity...

zend-framework2 • Getting started with zend-framework2

Eliminating duplicates using Set

Suppose you have a collection elements, and you want to create another collection containing the same elements but with all duplicates eliminated: Collection<Type> noDuplicates = new HashSet<Type>(elements); Example: List<String> names = new ArrayList<>( Arrays....

Java Language • Sets

Login example in the Model View Presenter (MVP) pattern

Let's see MVP in action using a simple Login Screen. There are two Buttons—one for login action and another for a registration screen; two EditTexts—one for the email and the other for the password. LoginFragment (The View) public class LoginFragment extends Fragment implements LoginContract.Prese...

Android • MVP Architecture

Create a UITextField

Initialize the UITextField with a CGRect as a frame: Swift let textfield = UITextField(frame: CGRect(x: 0, y: 0, width: 200, height: 21)) Objective-C UITextField *textField = [[UITextField alloc] initWithFrame:CGRectMake(0, 0, 200, 21)]; You can also create a UITextField in Interface Builde...

iOS • UITextField

Model Validation with Validation Attrributes

Validation attributes can be used to easily configure model validation. public class MyModel { public int id { get; set; } //sets the FirstName to be required, and no longer than 100 characters [Required] [StringLength(100)] public string FirstName { get; set; } } Th...

asp.net-core • Models

Prevent binding on PostModel

Considering a (post)model: public class User { public string FirstName { get; set; } public bool IsAdmin { get; set; } } With a view like so: @using (Html.BeginForm()) { @Html.EditorFor(model => model.FirstName) <input type="submit" value="Save" /...

asp.net-mvc • Model binding

Simple self type example

Self types can be used in traits and classes to define constraints on the concrete classes it is mixed to. It is also possible to use a different identifier for the this using this syntax (useful when outer object has to be referenced from an inner object). Assume you want to store some objects. Fo...

Scala Language • Self types

Reads file (/etc/passwd) line by line and field by field

#!/bin/bash FILENAME="/etc/passwd" while IFS=: read -r username password userid groupid comment homedir cmdshell do echo "$username, $userid, $comment $homedir" done < $FILENAME In unix password file, user information is stored line by line, each line consisting of i...

Bash • Read a file (data stream, variable) line-by-line (and/or field-by-field)?

Detecting when UIScrollView finished scrolling with delegate methods

scrollViewDidEndDecelerating: this tells the delegate that the scroll view has ended decelerating the scrolling movement. Objective C: - (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView { [self stoppedScrolling]; } - (void)scrollViewDidEndDragging:(UIScrollView *)scrollView w...

iOS • UIScrollView

Basic Model

This example shows how to define a simple model in Sails.js You can generate an empty model file by typing sails generate model car You'll find the new file Car.js in api/models/. Next, you fill in some details. modules.exports = { tableName : 'cars', connection : 'mongodb', attr...

sails.js • Models

SQLiteOpenHelper with fully qualified DB path name/databse in public folder

Normally Android-SQLiteOpenHelper does not allow fully qualified path names where the database should be stored. So public database files are not possible. You can use the SQLiteOpenHelper with a custom path if you provide a custom ContextClass and if you have write access in the target directory. ...

android-sqlite • SQLiteOpenHelper