Tutorial by Examples: s

To add a directive with a selector [prefix]Highlight, run: $ ng g d highlight installing directive create src/app/highlight.directive.spec.ts create src/app/highlight.directive.ts update src/app/app.module.ts To prevent prefix usage add --prefix false or -p false flag ...

The S3 object system is a very simple OO system in R. Every object has an S3 class. It can be get (got?) with the function class. > class(3) [1] "numeric" It can also be set with the function class: > bicycle <- 2 > class(bicycle) <- 'vehicle' > class(bicycle) ...

To add a service with a name UserService, run: $ ng g s user installing service create src/app/user.service.spec.ts create src/app/user.service.ts To prevent .spec files creation add --spec false or -sp false flag $ ng g s user --spec false installing service ...

To add a pipe with a name searchByName, run: $ ng g p search-by-name installing pipe create src/app/search-by-name.pipe.spec.ts create src/app/search-by-name.pipe.ts update src/app/app.module.ts To prevent .spec files creation add --spec false or -sp false flag $ ng ...

To add a module called GuestModule, run: $ ng g m guest installing module create src/app/guest/guest.module.ts To enable .spec files creation add --spec or -sp flag $ ng g m guest --spec installing module create src/app/guest/guest.module.spec.ts create src/app/...

Let's go through the problem first. Have a look on the code below: public class BankAccount { public BankAccount() {} public string AccountNumber { get; set; } public decimal AccountBalance { get; set; } public decimal CalculateInterest() { // Co...

Here, we try to explain OCP using codebase. First we'll show a scenario that violate OCP and then we'll remove that violation. Area Calculation (OCP violation Code) : public class Rectangle{ public double Width {get; set;} public double Height {get; set;} } public class Circle{ public do...

If your Internet connection is provided via a proxy Maven will not be able to download jars from remote repositories - a common problem faced by companies. To solve this, Maven needs to be provided the details and credentials of the proxy by going to {Maven install location} → conf → settings.xml. ...

MARS MIPS simulator is an assembly language editor, assembler, simulator & debugger for the MIPS processor, developed by Pete Sanderson and Kenneth Vollmar at Missouri State University (src). You get the MARS for free here. As for installing the 4.5 version, you might need the suitable Java SD...

Ordered broadcasts are used when you need to specify a priority for broadcast listeners. In this example firstReceiver will receive broadcast always before than a secondReceiver: final int highPriority = 2; final int lowPriority = 1; final String action = "action"; // intent filter ...

Detailed instructions on getting django-views set up or installed.

Scimax is an Emacs starter kit focused on reproducible research, targeted mainly at scientists and engineers. Scimax customizes Org-Mode with features that make cross-referencing, exporting, and coding (in particular Python), simpler. Installation instructions can be found on the landing page of th...

The message you want to serialize and send that you can include into a file test.proto, containing package example; enum FOO { X = 17; }; message Test { required string label = 1; optional int32 type = 2 [default=77]; repeated int64 reps = 3; optional group OptionalGroup = 4 { ...

To understand Dependency Inversion Principle (DIP) we need to clear concept about Inversion Of Control(IOC) and Dependency Injection(DI). So here we discuss all about the terms with Dependency Inversion Principle (DIP). Inversion Of Control(IOC) : The control or logic which is not the part of t...

Introduction SRP can be defined as “a class handles only one responsibility”. This is a very short definition for something influential on to the other principles of S.O.L.I.D. I believe that if we get this right, it will have a positive knock-on effect on the upcoming principles, so let’s get star...

Here we give an example of ISP violation and then refactor that violation. Without talking unnecessary things let's jump into the code. ISP violation : public interface IMessage{ IList<string> ToAddress {get; set;} IList<string> BccAddresses {get; set;} string MessageBody {get; s...

A docstring is a multi-line comment used to document modules, classes, functions and methods. It has to be the first statement of the component it describes. def hello(name): """Greet someone. Print a greeting ("Hello") for the person with the given name. &...

All documents from students collection. > db.students.find().pretty(); { "_id" : ObjectId("58f29a694117d1b7af126dca"), "studentNo" : 1, "firstName" : "Prosen", "lastName" : "Ghosh", "age" ...

Virtual Environment tool (virtualenv) is used to isolate different projects and their dependencies by creating individual python environments for each of them. It's like installing a package locally (and not globally), similar to npm package installation option. Following is an example to install ...

Ajax calls, request and retrieve data for giving the user a sense of a better interactive user interface experience. This article will show you how to use jQuery and send data through Ajax calls. For this example, we’re going to POST the following JavaScript object to our server. var post = { ...