Tutorial by Examples: i

$router = new \Phalcon\Mvc\Router(false); $router->removeExtraSlashes(true); $request = new \Phalcon\Http\Request(); $action = strtolower($request->getMethod()); // get, post, etc. $modules = ['calendar', 'main', 'user']; // names of the modules you create // you can define other static...

In this example every positioned element creates its own stacking context, because of their positioning and z-index values. The hierarchy of stacking contexts is organized as follows: Root DIV #1 DIV #2 DIV #3 DIV #4 DIV #5 DIV #6 It is important to note that DIV #4, DIV #5 and D...

A list consists of <li> elements inside a containing element (<ul> or <ol>). Both the list items and the container can have margins and paddings which influence the exact position of the list item content in the document. The default values for the margin and padding may be differe...

Sometimes, a list should just not display any bullet points or numbers. In that case, remember to specify margin and padding. <ul> <li>first item</li> <li>second item</li> </ul> CSS ul { list-style-type: none; } li { margin: 0; pad...

Using the overflow property with a value different to visible will create a new block formatting context. This is useful for aligning a block element next to a floated element. CSS img { float:left; margin-right: 10px; } div { overflow:hidden; /* creates block formatting context...

Its possible to change *.vmoptions and idea.properties files without editing them in the PhpStorm installation folder. Follow the steps below: Step 1: Run Help - Edit Custom VM Options... Step 2: Confirm the creation of the configuration file, if prompted Step 3: Add following lines if yo...

This is an Education From in Symfony to take user education details. We wanted to apply validation on 2 fields, education end date and is currently studying. On Post Submit Event, We will check two things 1 - if the user checks the checkbox of is_currently studying then end date should be empty ...

When you are in a controllerAction And have a POST request coming in, but want to redirect it, to a different route, while still maintaining the POST method and the request object, you can use the following: return $this->redirectToRoute('route', array( 'request' => $request, ), 307); ...

Subdomain-based routing can be handled in Symfony using host parameter. For example, _locale parameter can be used as subdomain value. Assuming locale: en domain: somedomain.com parameters are defined in parameters.yml config file, route would be: /** * @Route( * "/", * ...

To start the registration for push notifications you need to execute the below code. // registers for push var settings = UIUserNotificationSettings.GetSettingsForTypes( UIUserNotificationType.Alert | UIUserNotificationType.Badge | UIUserNotificationType.Sound, new NSSet()); ...

Implementation on Android is a bit more work and requires a specific Service to be implemented. First lets check if our device is capable of receiving push notifications, and if so, register it with Google. This can be done with this code in our MainActivity.cs file. protected override void OnCrea...

On Windows Phone something like the code underneath needs to be implemented to start working with push notifications. This can be found in the App.xaml.cs file. protected async override void OnLaunched(LaunchActivatedEventArgs e) { var channel = await PushNotificationChannelManager.CreatePush...

CommandUsageaboutShort information about ComposerarchiveCreate an archive of this composer packagebrowseOpens the package's repository URL or homepage in your browser.clear-cacheClears composer's internal package cache.clearcacheClears composer's internal package cache.configSet config optionscreate...

By default, PHP will tell the world what version of PHP you are using, e.g. X-Powered-By: PHP/5.3.8 To fix this you can either change php.ini: expose_php = off Or change the header: header("X-Powered-By: Magic"); Or if you'd prefer a htaccess method: Header unset X-Powered-By ...

Step 1: Locate your download of Node.js, typically it is installed under C:/program files/nodejs Step 2: Open Visual Studios and navigate to "Tools>Options" Step 3: In the options window navigate to "Projects and Solutions>External Web Tools" Step 4: Add new entry with y...

If Sitecore is setup in a CM-CD enviornment there could be a need to fire events on CD server when CM events are fired. The example could be firing publish:end:remote on CD when content editors done publish on CM. In order to make sure that events are firing the following steps are required to be ...

This example shows how to perform basic mathematical operations using BigDecimals. 1.Addition BigDecimal a = new BigDecimal("5"); BigDecimal b = new BigDecimal("7"); //Equivalent to result = a + b BigDecimal result = a.add(b); System.out.println(result); Result : 12 ...

NULL is a special case when it comes to comparisons. Assume the following data. id someVal ---- 0 NULL 1 1 2 2 With a query: SELECT id FROM table WHERE someVal = 1 would return id 1 SELECT id FROM table WHERE someVal <> 1 would return id 2 SELECT id FROM tabl...

SUBSTRING (or equivalent: SUBSTR) returns the substring starting from the specified position and, optionally, with the specified length Syntax: SUBSTRING(str, start_position) SELECT SUBSTRING('foobarbaz', 4); -- 'barbaz' SELECT SUBSTRING('foobarbaz' FROM 4); -- 'barbaz' -- using negative index...

Python follows PEMDAS rule. PEMDAS stands for Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction. Example: >>> a, b, c, d = 2, 3, 5, 7 >>> a ** (b + c) # parentheses 256 >>> a * b ** c # exponent: same as `a * (b ** c)` 7776 >>...