Tutorial by Examples: all

Installing and Configuring Symfony

Checking Requirements Run bin/symfony_requirements for checking symfony requirements and php cli setting. Install all packages that needed to run a symfony project. Setting your php.ini for example setting timezone and short_open_tag. Setting both php.ini for your php webserver (eg: /etc/php/apache...

symfony2 • Getting started with symfony2

Install in Eclipse and Build Hello World

(Tested with ANTLR 4.5.3, Eclipse Neon, ANTLR 4 IDE 0.3.5, and Java 1.8) Download the latest ANTLR. Make sure to get the complete ANTLR Java binaries jar. Save to any appropriate location, for example the folder where other Java libraries are stored. It doesn’t matter where, just remember the loc...

ANTLR • Introduction to ANTLR v4

Install SBT on Linux

Full instructions can be found here. Install the JDK. Set the Java Environment variable. export JAVA_HOME=/usr/local/java/jdk1.8.0_102 echo $JAVA_HOME /usr/local/java/jdk1.8.0_102 export PATH=$PATH:$JAVA_HOME/bin/ echo $PATH ...:/usr/local/java/jdk1.8.0_102/bin/ Install Scala....

sbt • Getting started with sbt

Calling C Function From Go

Cgo enables the creation of Go packages that call C code. To use cgo write normal Go code that imports a pseudo-package "C". The Go code can then refer to types such as C.int, or functions such as C.Add. The import of "C" is immediately preceded by a comment, that comment, call...

Go • cgo

installing via composer (github)

1 cd my/project/dir 2 git clone git://github.com/zendframework/ZendSkeletonApplication.git 3 cd ZendSkeletonApplication 4 php composer.phar self-update 5 php composer.phar install

zend-framework2 • Installation

Installing the RethinkDB package from NPM

npm install -g rethinkdb

rethinkdb • Getting started with Node

Listing all databases

r.connect({host: 'localhost', port: 28015}) .then((conn) => { return r.dbList().run(conn); }).then((result) => { // Prints out list of databases on the RethinkDB instance console.log(result); });

rethinkdb • Getting started with Node

Using ajax in vanilla javascript with a simple callback

Here is our function to create a simple ajax call written in vanilla javascript (not es2015): function ajax(url, callback) { var xhr; if(typeof XMLHttpRequest !== 'undefined') xhr = new XMLHttpRequest(); else { var versions = ["MSXML2.XmlHttp.5.0", ...

ajax • Getting started with ajax

Installation using UMD build

A build is also available on npmcdn. You can include the script like this: <script src="https://npmcdn.com/react-router/umd/ReactRouter.min.js"></script> The library will be available globally on window.ReactRouter.

React Router • Getting started with React Router

Find all elements with a certain attribute

Imagine the following XML: <root> <element foobar="hello_world" /> <element example="this is one!" /> </root> /root/element[@foobar] and will return the <element foobar="hello_world" /> element.

xpath • Finding elements containing specific attributes

Find all elements with a certain attribute value

Imagine the following XML: <root> <element foobar="hello_world" /> <element example="this is one!" /> </root> The following XPath expression: /root/element[@foobar = 'hello_world'] will return the <element foobar="hello_world&quo...

xpath • Finding elements containing specific attributes

Error Handling: GET all resources

How do you handle errors, rather then log them to the console? Bad way: Router.route('/') .get((req, res) => { Request.find((err, r) => { if(err){ console.log(err) } else { res.json(r) } }) }) .post((req, res) => { const reque...

Node.js • Restful API Design: Best Practices

Get all avatars before Parashurama

XML <Dashavatar> <Avatar name="Matsya"/> <Avatar name="Kurma"/> <Avatar name="Varaha"/> <Avatar name="Narasimha"/> <Avatar name="Vamana"/> <Avatar name="Balabhadra"/> ...