Tutorial by Examples: c

[Column] attribute

public class Person { public int PersonID { get; set; } [Column("NameOfPerson")] public string PersonName { get; set; } } Tells Entity Framework to use a specific column name instead using the name of the property. You can also specify the database data type a...

Entity Framework • Code First DataAnnotations

Find existing ScriptableObjects during runtime

To find active ScriptableObjects during runtime, you can use Resources.FindObjectsOfTypeAll(). T[] instances = Resources.FindObjectsOfTypeAll<T>(); Where T is the type of the ScriptableObject instance you're searching. Active means it has been loaded in memory in some form before. This me...

unity3d • ScriptableObject

Performing a shallow copy

A shallow copy is a copy of a collection without performing a copy of its elements. >>> import copy >>> c = [[1,2]] >>> d = copy.copy(c) >>> c is d False >>> c[0] is d[0] True

Python Language • Copying data

Performing a deep copy

If you have nested lists, it is desireable to clone the nested lists as well. This action is called deep copy. >>> import copy >>> c = [[1,2]] >>> d = copy.deepcopy(c) >>> c is d False >>> c[0] is d[0] False

Python Language • Copying data

Performing a shallow copy of a list

You can create shallow copies of lists using slices. >>> l1 = [1,2,3] >>> l2 = l1[:] # Perform the shallow copy. >>> l2 [1,2,3] >>> l1 is l2 False

Python Language • Copying data

Copy a dictionary

A dictionary object has the method copy. It performs a shallow copy of the dictionary. >>> d1 = {1:[]} >>> d2 = d1.copy() >>> d1 is d2 False >>> d1[1] is d2[1] True

Python Language • Copying data

Copy a set

Sets also have a copymethod. You can use this method to perform a shallow copy. >>> s1 = {()} >>> s2 = s1.copy() >>> s1 is s2 False >>> s2.add(3) >>> s1 {[]} >>> s2 {3,[]}

Python Language • Copying data

Colliders

Box Collider A primitive Collider shaped like a cuboid. Properties Is Trigger - If ticked, the Box Collider will ignore physics and become a Trigger Collider Material - A reference, if specified, to the physics material of the Box Collider Center - The Box Collider's central posit...

unity3d • Collision

Using XML Configuration to set up Hibernate

I create a file called database-servlet.xml somewhere on the classpath. Initially your config file will look like this: <?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/...

hibernate • Getting started with hibernate

Active Patterns as .NET API wrappers

Active Patterns can be used to make calling some .NET API's feel more natural, particularly those that use an output parameter to return more than just the function return value. For example, you'd normally call the System.Int32.TryParse method as follows: let couldParse, parsedInt = System.Int32....

F# • Active Patterns

Each loop

The @each directive allows you to iterate through any list or map. It takes the form of @each $var or <list or map> {} where $var can be any variable name and <list or map> can be anything that returns a list or map. In the following example, the loop will iterate through the $authors l...

sass • Loops and Conditons

Remove extra paddings to fit to a precisely measured text.

UITextView has extra paddings by default. Sometimes it's annoying especially if you want to measure some text without view instance and place them at some area precisely. Do this to remove such paddings. messageTextView.textContainerInset = UIEdgeInsetsZero messageTextView.textContainer.lineFragm...

iOS • UITextView

Flow control

The flow or execution of a loop can be controlled by use of break and continue expressions. Break break exits the current loop. In case the loop is nested inside another loop, the parent loop is unaffected. for (i in 0...10) { for (j in 0...10) { if (j == 5) break; trace(i,...

haxe • Loops

Uploading a Conda Package

Before starting you must have: Anaconda installed on your system Account on Binstar If you are not using Anaconda 1.6+ install the binstar command line client: $ conda install binstar $ conda update binstar If you are not using Anaconda the Binstar is also available on pypi: $ pip install bin...

Python Language • Deployment

Setup for Specflow

Pre -Requsite: Download Visual Studio IDE Create a new project Install specflow visual studio integration, Nunit Adapter & Nunit framework Download specflow for visual studio as shown below

specflow • Getting started with specflow

Hello Web (Basic "Hello World"-type setup)

<html> <head> <script src="https://code.jquery.com/jquery-3.1.0.min.js"></script> <script src="https://cdnjs.cloudflare.com/ajax/libs/underscore.js/1.8.3/underscore-min.js"></script> <script src="https:...

backbone.js • Getting started with backbone.js

Reading status codes

The attribute status_code contains the status code of the response good_req = requests.get('https://api.github.com/events') code_200 = good_req.status_code notfound_req = requests.get('https://api.github.com/not_found') code_404 = notfound_req.status_code requests.codes.__dict__ will provid...

python-requests • Getting started with python-requests

CSS3 :in-range selector example

<style> input:in-range { border: 1px solid blue; } </style> <input type="number" min="10" max="20" value="15"> <p>The border for this value will be blue</p> The :in-range CSS pseudo-class matches when an element...

CSS • Selectors

Even more specific loop targeting

Let's say we want to change main loop, only for specific taxonomy, or post type. Targeting only main loop on book post type archive page. add_action( 'pre_get_posts', 'my_callback_function' ); function my_callback_function( $query ) { if( !$query->is_main_query() || is_admin() ) return;...

WordPress • Alternating main loop (pre_get_posts filter)

Show posts from only one category

add_action( 'pre_get_posts', 'single_category' ); function single_category( $query ) { if( !$query->is_main_query() || is_admin() ) return; $query->set( 'cat', '1' ); return; }

WordPress • Alternating main loop (pre_get_posts filter)

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