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actually its so simple: Opt-In approach says properties that are considered to be part of DataContract must be explicitly marked otherwise will be ignore, while Opt-Out means all of the properties will be assumed to be part of the DataContract unless marked explicitly.

Accessing rows in a dataframe using the DataFrame indexer objects .ix, .loc, .iloc and how it differentiates itself from using a boolean mask.

To get syntax highlighting in your editor (e.g. VS Code) you'll need to download typing information for the modules that you use in your project. Say for example you use React and ReactDOM in your project, and you want to get highlighting and Intellisense for them. You will need to add the types...

Validation is the process of validating/verifying the user entries against some criteria. The main purpose is to ensure that the user entries are matching with the policy of the system. For example, if a site allow visitors below an age of 50, then the validation to ensure the user entered age ...

This document covers the different components that make up a .NET Core distribution and how they are versioned. This document currently covers the 1.x releases. How components in .NET Core are versioned. Components .NET Core consists of multiple components that are each versioned independ...

Its very easy to maintain localization nodejs express

Autofac is an IoC container for Microsoft .NET 4.5, Silverlight 5, Windows Store apps, and Windows Phone 8 apps. It manages the dependencies between classes so that applications stay easy to change as they grow in size and complexity. This is achieved by treating regular .NET classes as component...

Important Note Apple has highly discouraged use of both navigation styles in one controller, and this may result in an app rejection. Currently, the preferred way is to use hierarchical style rather than page based, as used in many more Apple apps than before.

The idea of one to many (1:M) concerns the joining of rows to each other, specifically cases where a single row in one table corresponds to many rows in another. 1:M is one-directional, that is, any time you query a 1:M relationship, you can use the 'one' row to select 'many' rows in another table,...

This topic shows information on how to prepare your Xamarin.Android app for release mode and how to optimize it.

Parameterization is the creation of different data sets for different users in the same test script. For example, running multiple users with different credentials in the same script. This makes it one of the main aspects in performance tests creation.

Examples how to call bound and unbound actions. Note that in a bound function the full function name includes the namespace Microsoft.Dynamics.CRM. Functions that aren't bound must not use the full name.

This section provides an overview of what tortoisesvn is, and why a developer might want to use it. It should also mention any large subjects within tortoisesvn, and link out to the related topics. Since the Documentation for tortoisesvn is new, you may need to create initial versions of those ...

The ExpandBar is a widget which displays a series of horizontal expand bar items. All child controls should be instances of ExpandItem. ExpandBar(Composite parent, int style) ParameterDetailsparentThe parent Composite on which the ExpandBar will be createdstyleThe style bits Per the Ec...

OLD_SITE - The old site being migrated (eg: http://localhost/example) NEW_SITE - The new site to which to migrate (eg: https://example.com

Simple usage of a Meta Box in the wp-admin content editors _x( 'Text', 'Description', 'textdomain') is used to add a description for the translation service instead of __( 'Text', 'textdomain') which is just the translation _ex( 'Text', 'Description', 'textdomain') is used to echo translated ...

Transactions provide a mechanism to coordinate between multiple parties that might be accessing the same data at the same time. These "parties" might be different instances of the same code like different users running the same application or nodes in a server cluster, parts of the same pr...