Tutorial by Examples: net

Another popular error is the referring of packages which does not satisfy all framework on the global scope when multiple frameworks are targeted. { "version": "1.0.0-*", "dependencies": { "NETStandard.Library": "1.6.0", ...

SQLite.NET is an open source library which makes it possible to add local-databases support using SQLite version 3 in a Xamarin.Forms project. The steps below demonstrate how to include this component in a Xamarin.Forms Shared Project: Download the latest version of the SQLite.cs class and add...

Native compiled table value function returns table as result. Code in natively compiled function will be transformed into C code and compiled as dll. Only inline table valued functions are supported in version 2016. To create a native table value function you need to: Use standard CREATE FUNCTIO...

To illustrate relation OneToMany we need 2 Entities e.g. Country and City. One Country has multiple Cities. In the CountryEntity beloww we define set of cities for Country. @Entity @Table(name = "Country") public class CountryEntity implements Serializable { private static final l...

2.04 Bash treats some paths as special and can do some network communication by writing to /dev/{udp|tcp}/host/port. Bash cannot setup a listening server, but can initiate a connection, and for TCP can read the results at least. For example, to send a simple web request one could do: exec 3</...

The next example is intended to count the amount of flags in the specified flag combination. The example is provided as a extension method: <DebuggerStepThrough> <Extension> <EditorBrowsable(EditorBrowsableState.Always)> Public Function CountFlags(ByVal sender As [Enum]) As In...

insert into schema.table (field1, field2) select 'Static Value', foreignField from schema.otherTable;

docker network create --subnet=192.168.0.0/24 --gateway=192.168.0.1 --ip-range=192.168.0.0/25 local-host-restricted iptables -I INPUT -s 192.168.0.0/24 -m addrtype --dst-type LOCAL -j DROP Creates a network called local-host-restricted which which: Blocks Access to host running docker daem...

Add the following to Web.config (in Views folder), within <appSettings>: <add key="ClientValidationEnabled" value="true"/> <add key="UnobtrusiveJavaScriptEnabled" value="true"/> Add the jqueryval bundle to BundleConfig.cs: bundles.Add(n...

Authentication filters Are a new kind of filter added in ASP.NET MVC 5.0 .That run prior to authorization filters in the ASP.NET MVC pipeline and allow you to specify authentication logic per-action, per-controller, or globally for all controllers. Authentication filters process credentials in th...

What and Why ? Asp.Net’s Web API2 is the latest version of Web API. It is an easy way to implement a RESTful web service using all of the goodness that the Asp.Net framework provides. Once you understand the basic principles of REST, then a Asp.net Web API2 will be very easy to implement. Web API2...

Consider a one to one bidirectional relationship between employee and desk. Employee.java @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnName = "gen_name", valueColumnName = "gen_val", allocationSize...

Every Country has one Capital. Every Capital has one Country. Country.java package com.entity; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; import javax.persist...

Containers in the same docker network have access to exposed ports. docker network create sample docker run --net sample --name keys consul agent -server -client=0.0.0.0 -bootstrap Consul's Dockerfile exposes 8500, 8600, and several more ports. To demonstrate, run another container in the same ...

One to Many mapping is generally simply a bidirectional relationship of Many to One mapping. We will take same example that we took for Many to one mapping. Employee.java @Entity public class Employee { @TableGenerator(name = "employee_gen", table = "id_gen", pkColumnNa...

This serializer has some nice features that the default .net json serializer doesn't have, like Null value handling, you just need to create the JsonSerializerSettings : public static string Serialize(T obj) { string result = JsonConvert.SerializeObject(obj, new JsonSerializerSettings { NullVa...

// Main frame class declaration class CMainFrame : public CMDIFrameWndEx { DECLARE_DYNAMIC(CMainFrame) protected: // declare our pane CDockablePane m_wndPane; // .... other class memebers public: CMainFrame(); protected: afx_msg int OnCreate(LPCREATEST...

The local configuration of sane is inside /etc/saned.d /etc/sane.d/dll.conf # /etc/sane.d/dll.conf - Configuration file for the SANE dynamic backend loader # # Backends can also be enabled by configuration snippets under # /etc/sane.d/dll.d directory -- packages providing backends should drop...

First why we should use depedency injection in our code ? We want to decouple other components from other classes in our program. For example we have class AnimalController which have code like this : public class AnimalController() { private SantaAndHisReindeer _SantaAndHisReindeer = new San...

Aspx <asp:DataList runat="server" CssClass="sample" RepeatLayout="Flow" ID="dlsamplecontent" RepeatDirection="Vertical" OnItemCommand="dlsamplecontent_ItemCommand"> <ItemStyle CssClass="tdContainer" /> ...