Tutorial by Examples: re

function my_init_function() { // do something here } add_action( 'init', 'my_init_function' ); Using the name of the function to hook a set of instructions. With the init hook, the set of instructions will be executed right after wordpress has finished loading the necessary components. ...

Any middleware registered as routeMiddleware in app/Http/Kernel.php can be assigned to a route. There are a few different ways to assign middleware, but they all do the same. Route::get('/admin', 'AdminController@index')->middleware('auth', 'admin'); Route::get('admin/profile', ['using' => ...

Professionally made web applications don't expose the internal details of the server environment to the user. When you place an order at your retailer, you don't see (or have to type) https://mydealer.com:8443/Dealerapp/entryPage.html, but just mydealer.com, although the app server needs all the det...

Let's assume an associative array aa: int[string] aa = ["x": 5, "y": 6]; Items can be removed by using .remove(), if key exits will be removed and remove returns true: assert(aa.remove("x")); if the given key does not exist remove does nothing and returns false:...

The StretchViewport is a Viewporttype, which supports a virtual screen size. This allowes you to define a fixed (resolution independent) width and height. The StretchViewport, as the name suggests, stretches the virtual screen, if the virtual aspect ratio does not match the real aspect ratio. The ...

A layout manager for templated views. Used within a ControlTemplate to mark where the content to be presented appears.

A Layout that uses Constraints to layout its children. RelativeLayout is used to position and size views relative to properties of the layout or sibling views. Unlike AbsoluteLayout, RelativeLayout does not have the concept of the moving anchor and does not have facilities for positioning elements ...

Open "Database Tool Window" if you don't have it opened: This what it looks like: Create new data source: By clicking on "+" icon: Or by opening "Data Sources and Drivers" dialog And adding new data source by clicking "+" there If you ...

Static initialization is suitable for most situations. When your application must delay the instantiation, use a non-default constructor or perform other tasks before the instantiation, and work in a multithreaded environment, you need a different solution. Cases do exist, however, in which you cann...

You must always unregister scopes other then your current scope as shown below: //always deregister these $rootScope.$on(...); $scope.$parent.$on(...); You don't have to deregister listners on current scope as angular would take care of it: //no need to deregister this $scope.$on(...); $r...

Angular 2 has two kinds of custom validators. Synchronous validators as in the first example that will run directly on the client and asynchronous validators (the second example) that you can use to call a remote service to do the validation for you. In this example the validator should call the ser...

find(query).projection(fields).cursorType(CursorType.TailableAwait).iterator(); That code applies to the MongoCollection class. CursorType is an enum and it has the following values: Tailable TailableAwait Corresponding to the old (<3.0) DBCursor addOption Bytes types: Bytes.QUERYOPTION...

This program will draw some shapes on the display, draw "hello world!" in the middle of the screen and let an image go to every corner of the window. You can use every image you want, but you will need to place the image file in the same directory as your program. the entire code: import...

These APIs are used to query for video and channel analytics, like views/clicks and votes.

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An AWS-Lambda function can be attached to a certain bucket event. Whenever a file/folder is created or removed, an event can trigger lambda function execution. A simple Lambda function to print the name of an uploaded File This is a one class lambda project to print the name of an uploaded file. ...

Get image from file lib.myImage = IMAGE lib.myImage.file = fileadmin/My-Image.png lib.myImage.file.width = 100 lib.myImage.file.height = 100 Get image from page properties lib.pageImage = IMAGE lib.pageImage { file.import.data = levelmedia: -1, "slide" file.impor...

Data with header, separated by semicolons instead of commas file: table.csv index;name;occupation 1;Alice;Saleswoman 2;Bob;Engineer 3;Charlie;Janitor code: import pandas as pd pd.read_csv('table.csv', sep=';', index_col=0) output: name occupation index 1 Alice Sale...

# get a list of columns cols = list(df) # move the column to head of list using index, pop and insert cols.insert(0, cols.pop(cols.index('listing'))) # use ix to reorder df2 = df.ix[:, cols]

The simplest shortcode is the self-closing one. We’re going to create a simple link to our Twitter account, and then add it in a blog post. All the code goes in functions.php, which is located in /wp-content/themes/your-theme/. If you don’t have one, just create it and put the code in it. <?php...