Tutorial by Topics: d

Unit testing describes the process of testing individual units of code in isolation from the system that they are a part of. What constitutes a unit can vary from system to system, ranging from an individual method to a group of closely related classes or a module. The unit is isolated from its ...

[default-capture, capture-list] (argument-list) mutable throw-specification attributes -> return-type { lambda-body } // Order of lambda specifiers and attributes. [capture-list] (argument-list) { lambda-body } // Common lambda definition. [=] (argument-list) { lambda-body } // Captures all ...

ColumnColumnCellCell First, establish if the device is capable of accepting Touch ID input. if (context.CanEvaluatePolicy(LAPolicy.DeviceOwnerAuthenticationWithBiometrics, out AuthError)) If it does then we can display the Touch ID UI by using: context.EvaluatePolicy(LAPolicy.DeviceOwnerAuth...

class twilio.rest.resources.Messages(*args, **kwargs) ParameterDetailsto (str)The destination phone number.from_ (str)The phone number sending this message (must be a verified Twilio number)body (str)The message you want to send, limited to 160 characters.status_callbackA URL that Twilio wil...

Classes and IDs make referencing HTML elements from scripts and stylesheets easier. The class attribute can be used on one or more tags and is used by CSS for styling. IDs however are intended to refer to a single element, meaning the same ID should never be used twice. IDs are generally used with J...

One approach that can be taken to writing software is to create dependencies as they are needed. This is quite an intuitive way to write a program and is the way that most people will tend to be taught, partly because it is easy to follow. One of the issues with this approach is that it can be h...

Delphi is a general-purpose language based on an Object Pascal dialect with its roots coming from Borland Turbo Pascal. It comes with its own IDE designed to support rapid application development (RAD). It allows cross-platform native (compiled) application development from a single code base. Cu...

CREATE {DATABASE | SCHEMA} [IF NOT EXISTS] db_name [create_specification] /// To create database DROP {DATABASE | SCHEMA} [IF EXISTS] db_name /// To drop database ParameterDetailsCREATE DATABASECreates a database with the given nameCREATE SCHEMAThis is a synonym for CREATE DATABASEIF NOT E...

mysqldump -u [username] -p[password] [other options] db_name > dumpFileName.sql /// To Backup single database mysqldump -u [username] -p[password] [other options] db_name [tbl_name1 tbl_name2 tbl_name2 ...] > dumpFileName.sql /// To Backup one or more tables mysqldump -u [username] -...

This topic provides basic instructions for obtaining credentials for Watson services and provides relevant links for each service and the Watson Developer Cloud SDKs. Watson services homepages: AlchemyLanguage AlchemyData News Conversation Discovery Document Conversion Language Translatio...

ParameterDetailsbuttonSimple payment buttonconfigPayPal configuration object housing our client ID (from application creation) and the environment we want to use (sandbox or live)paymentPayPal payment detailspaymentConfigConfiguration Intent for the payment information and settingsserviceConfigConf...

What is Arduino? Arduino is an open-source electronics platform based on easy-to-use hardware and software. Why Use Arduino? Inexpensive. You can also buy clones that are even cheaper. Easy to use and get started with Huge community Completely Open Source VersionRelease Date1.0.0...

fun TypeName.extensionName(params, ...) { /* body */ } // Declaration fun <T: Any> TypeNameWithGenerics<T>.extensionName(params, ...) { /* body */ } // Declaration with Generics myObj.extensionName(args, ...) // invocation Extensions are resolved statically. This means that t...

When testing, it is sometimes useful to use a test double to manipulate or verify the behaviour of the system under test. The doubles are passed or injected into the class or method under test instead of instances of production code.

Destructuring is a pattern matching technique that is added to Javascript recently in EcmaScript 6. It allows you to bind a group of variables to a corresponding set of values when their pattern matches to the right hand-side and the left hand-side of the expression. let [x, y] = [1, 2] let ...

$(function() { $( "#selecter" ).accordion(); }); $(function() { $( "#selecter" ).accordion({ active: 2 }); }); $(function() { $( "#selecter" ).accordion({ animate: 200 }); }); $(function() { $( "#selecter" ).accordion({ collapsible: true }); ...

SELECT column_name FROM table_name WHERE column_name operator value SELECT column_name, aggregate_function(column_name) FROM table_name GROUP BY column_name HAVING aggregate_function(column_name) operator value

Apache Subversion (SVN) is a universal and centralized open source version control system. Subversion is currently a project under Apache Software Foundation (ASF) and is licensed under the Apache License, Version 2.0. Subversion is designed to manage and control files and directories and track ...