Tutorial by Examples: t

Official documentation: http://erlang.org/doc/man/erl_nif.html The most important structs, types and macros of the Erlang C API are the following: ERL_NIF_TERM: the type for Erlang terms. This is the return type that NIF functions must follow. ERL_NIF_INIT(MODULE, ErlNifFunc funcs[], load, relo...

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var client = new AmazonDynamoDBClient(); Table booksTable = Table.LoadTable(client, "Books"); // Store item Document book = new Document(); book["Title"] = "Cryptonomicon"; book["Id"] = 42; book["Authors"] = new List<string> { "Ne...

This example consists of two parts: first, we must define our Book type; second, we use it with DynamoDBContext. [DynamoDBTable("Books")] class Book { [DynamoDBHashKey] public int Id { get; set; } public string Title { get; set; } public List<string> Authors { ...

The Collections class provides a way to make a list unmodifiable: List<String> ls = new ArrayList<String>(); List<String> unmodifiableList = Collections.unmodifiableList(ls); If you want an unmodifiable list with one item you can use: List<String> unmodifiableList = Col...

The Collections class allows for you to move objects around in the list using various methods (ls is the List): Reversing a list: Collections.reverse(ls); Rotating positions of elements in a list The rotate method requires an integer argument. This is how many spots to move it along the line b...

Comparator.comparing(Person::getName) This creates a comparator for the class Person that uses this person name as the comparison source. Also it is possible to use method version to compare long, int and double. For example: Comparator.comparingInt(Person::getAge) Reversed order To create ...

Suppose we have a component which will hide at a certain window width. import { Component } from '@angular/core'; @Component({ ... template: ` <div> <p [hidden]="!visible" (window:resize)="onResize($event)" >Now you see me...</p> &lt...

Starting with Java 8, you can use lambda expressions & predicates. Example: Use a lambda expressions & a predicate to get a certain value from a list. In this example every person will be printed out with the fact if they are 18 and older or not. Person Class: public class Person { p...

A class written within a method called method local inner class. In that case the scope of the inner class is restricted within the method. A method-local inner class can be instantiated only within the method where the inner class is defined. The example of using method local inner class: public...

A DataFrame can be created from a list of dictionaries. Keys are used as column names. import pandas as pd L = [{'Name': 'John', 'Last Name': 'Smith'}, {'Name': 'Mary', 'Last Name': 'Wood'}] pd.DataFrame(L) # Output: Last Name Name # 0 Smith John # 1 Wood Mary Missin...

Step 1: Create events.xml file according to your requirement in frontend, Backend, or both YKM/Banner/etc/frontend/events.xml <?xml version="1.0" encoding="UTF-8"?> <config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation=&q...

Shall the property value's assignment be executed before or after the class' constructor? public class TestClass { public int TestProperty { get; set; } = 2; public TestClass() { if (TestProperty == 1) { Console.WriteLine("Shall this be e...

Using parameters passed by reference An event may define a ByRef parameter meant to be returned to the caller: Public Event BeforeSomething(ByRef cancel As Boolean) Public Event AfterSomething() Public Sub DoSomething() Dim cancel As Boolean RaiseEvent BeforeSomething(cancel) If...

Create TexturePostProcessor.cs file anywhere in Assets folder: using UnityEngine; using UnityEditor; public class TexturePostProcessor : AssetPostprocessor { void OnPostprocessTexture(Texture2D texture) { TextureImporter importer = assetImporter as TextureImporter; ...

You can use the filter operator to filter out items from the values stream based on a result of a predicate method. In other words, the items passing from the Observer to the Subscriber will be discarded based on the Function you pass filter, if the function returns false for a certain value, that ...

You can use the map operator to map the values of a stream to different values based on the outcome for each value from the function passed to map. The outcome stream is a new copy and will not modify the provided stream of values, the result stream will have the same length of the input stream but ...

CREATE TYPE dbo.Ids as TABLE ( Id int PRIMARY KEY )

CREATE TYPE MyComplexType as TABLE ( Id int, Name varchar(10) )

CREATE TYPE MyUniqueNamesType as TABLE ( FirstName varchar(10), LastName varchar(10), UNIQUE (FirstName,LastName) ) Note: constraints in user defined table types can not be named.