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Detailed instructions on getting jooq set up or installed.
To add a component with a selector [prefix]-user-list, run: $ ng g c user-list installing component create src/app/user-list/user-list.component.css create src/app/user-list/user-list.component.html create src/app/user-list/user-list.component.spec.ts create src/app/use...
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...
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. ...
Detailed instructions on getting django-views set up or installed.
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. &...
First Select Or Create a database. > use mydb switched to db mydb Using db.createCollection("yourCollectionName") method you can explicitly create Collection. > db.createCollection("newCollection1") { "ok" : 1 } Using show collections command see all col...
All documents from students collection. > db.students.find().pretty(); { "_id" : ObjectId("58f29a694117d1b7af126dca"), "studentNo" : 1, "firstName" : "Prosen", "lastName" : "Ghosh", "age" ...
MongoDB's db.collection.drop() is used to drop a collection from the database. First, check the available collections into your database mydb. > use mydb switched to db mydb > show collections newCollection1 newCollection2 newCollection3 system.indexes Now drop the collection with...
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 ...
Prerequisite A running MongoDB server, more details on that here. Setting Up a Java Project The MongoDB Java Driver is supplied as a JAR file and can be included in a project just like any other JAR. For example: Maven: add an entry to the <dependencies> section of your pom.xml. &lt...
MongoClient.connect('mongodb://localhost:27017/myNewDB',function (err,db) { if(err) console.log("Unable to connect DB. Error: " + err) else console.log('Connected to DB'); db.close(); }); myNewDB is DB name, if it does not exists in database then it...
In GraphQL the Schema defines the root execution queries and mutations as well as the types for your data. Schema Object Type The Person type has two fields, one is a standard Scalar type and the other represents a relationship to a list of other Person types that are 'friends'. Linking other type...
1. Model : public class ContactModel { [Required, Display(Name="Sender Name")] public string SenderName { get; set; } [Required, Display(Name = "Sender Email"), EmailAddress] public string SenderEmail { get; set; } [Required] public string Messag...
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