Tutorial by Examples: ti

Preemptive basic authentication is the practice of sending http basic authentication credentials (username and password) before a server replies with a 401 response asking for them. This can save a request round trip when consuming REST apis which are known to require basic authentication. As descr...

Using HttpClient as RestTemplate's underlying implementation to create HTTP requests allows for automatic handling of basic authentication requests (an http 401 response) when interacting with APIs. This example shows how to configure a RestTemplate to achieve this. // The credentials are stored he...

Phalcon uses db service by default to obtain connection to databases. Assuming you have an conguration file with database field set up, you can include or autoload following code to obtain connection with database for your project: $di->set('db', function () use ($config) { $dbconf = $conf...

The main reason that Nightwatch is so powerful, is because of it's excellent configuration file. Unlike most other testing frameworks, Nightwatch is fully configurable and customizable to different environments and technology stacks. .meteor/nightwatch.json The following configuration file is for...

To get Nightwatch working, you'll need a local copy of selenium which is a command-and-control server which manages automated browser instances. You'll also need a web browser which selenium can control, such as chromedriver or phantomjs. Add the following devDependencies to your package.json: { ...

In the root of your application should be a package.json file, where you can define scripts and devDependencies. { "name": "myapp", "version": "1.0.0", "scripts": { "start": "meteor --settings settings-development.json&q...

Nightwatch accepts a second globals.json configuration file which injects data into the test runner itself, very similar to how Meteor.settings makes data from the command line available throughout the app. globals.json { "default" : { "url" : "http://localhost:300...

Helpers should extend from Mage_Core_Helper_Abstract: # File: app/code/local/Vendor/Package/Helper/Data.php class Vendor_Package_Helper_Data extends Mage_Core_Helper_Abstract { public function multiply($a, $b) { return $a * $b; } } To be able to access is via Mage::hel...

Radio Buttons allow you to let the user choose one element of those given. There are two ways to declare a RadioButton with a text besides it. Either by using the default constructor RadioButton() and setting the text with the setText(String) method or by using the other constructor RadioButton(Stri...

Let's say the second RadioButton out of three is pre-selected with setSelected(Boolean), the focus is still at the first RadioButton by default. To change this use the requestFocus() method. radioButton2.setSelected(true); radioButton2.requestFocus();

Sometimes we need a visual hint to indicate the return status of previous command. The following snippet make put it at the head of the PS1. Note that the __stat() function should be called every time a new PS1 is generated, or else it would stick to the return status of last command of your .bashr...

[root@localhost ~]# docker ps CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES d87bf9607836 8251da35e7a7 "/bin/bash" About a minute ago Up 31 seconds vol3 [r...

//create a component that will be injected trait TimeUtil { lazy val timeUtil = new TimeUtilImpl() class TimeUtilImpl{ def now() = new DateTime() } } //main controller is depended on time util trait MainController { _ : TimeUtil => //inject time util into main...

These classes increase the left margin of a column by * columns. For example, .col-md-offset-4 moves .col-md-4 over four columns. <div class="row"> <div class="col-lg-4"></div> <div class="col-lg-4 col-lg-offset-4"></div> </div&g...

If you want to detect when your user enters a specific location, you can create a fence for the specific location with a radius you want and be notified when your user enters or leaves the location. // Your own action filter, like the ones used in the Manifest private static final String FENCE_REC...

What is Bootstrap Grid System Bootstrap grid system provides the quick and easy way to create responsive website layouts. Bootstrap 3 includes predefined grid classes for quickly making grid layouts for different types of devices like cell phones, tablets, laptops and desktops, etc. For example, ...

Move columns to the right using .col-md-offset-* classes. These classes increase the left margin of a column by * columns. For example, .col-md-offset-4 moves .col-md-4 over four columns. <div class="row"> <div class="col-md-4">.col-md-4</div> <div cla...

To nest your content with the default grid, add a new .row and set of .col-sm-* columns within an existing .col-sm-* column. Nested rows should include a set of columns that add up to 12 or fewer (it is not required that you use all 12 available columns). <div class="row"> <di...

Possessive quantifiers are another class of quantifiers in many regex flavours that allow backtracking to, effectively, be disabled for a given token. This can help improve performance, as well as preventing matches in certain cases. The class of possessive quantifiers can be distinguished from laz...

The following is a simple example Perl test script, that gives some structure to allow for testing of other methods in the class/package under test. The script produces standard output with simple "ok" / "not ok" text, which is called TAP (Test Anything Protocol). Typically the...