Tutorial by Examples: t

The rule A ticket system have their valid transitions documented in the following table, where O represents allowed and X represents not allowed. From \ ToReportedOpenIn ProgressIn ReviewDeliveredRejectedReopenReported-OXXXOXOpenX-OXXOXIn ProgressXX-OXOXIn ReviewXOO-OOXDeliveredXXXX-XORejectedXXXX...

Vectors a <- c(1, 2, 3) b <- c(4, 5, 6) mean_ab <- (a + b) / 2 d <- c(1, 0, 1) only_1_3 <- a[d == 1] Matrices mat <- matrix(c(1,2,3,4), nrow = 2, ncol = 2) dimnames(mat) <- list(c(), c("a", "b", "c")) mat[,] == mat Dataframes df &lt...

# Creates a 1 row - 2 columns format par(mfrow=c(1,2)) plot(rnorm(100), main = "Graph 1", ylab = "Normal distribution") grid() legend(x = 40, y = -1, legend = "A legend") plot(rnorm(100), main = "Graph 2", type = "l") abline(v = 50) Resu...

# Create 100 standard normals in a vector x <- rnorm(100, mean = 0, sd = 1) # Find the lenght of a vector length(x) # Compute the mean mean(x) # Compute the standard deviation sd(x) # Compute the median value median(x) # Compute the range (min, max) range(x) # Sum an itera...

In this example, we will be using @angular/cli (latest) and the latest version of @angular/material. You should at least know the basics of Angular 2/4 before continuing the steps below. Install angular material module from npm: npm install @angular/material --save 2.0.0-beta.3 This on...

You can also easily wrap all angular modules, which you are going to use, into one module: import { NgModule } from '@angular/core'; import { MdButtonModule, MdSnackBarModule, MdSidenavModule } from '@angular/material'; @NgModule({ imports: [ BrowserAnimationsModule, MdB...

summary {% extends %}: this declares the template given as an argument as the current template's parent. Usage: {% extends 'parent_template.html' %}. {% block %}{% endblock %}: This is used to define sections in your templates, so that if another template extends this one, it'll be able to...

Detailed instructions on getting jms set up or installed.

This example will demonstrate the searchable select box in MVC. it uses Ajax to get all records from database as user types the new character. I'll consider Country and its City example to illustrate the functionality of Searchable dropdown box. Code behind is c# with MVC, but its easy to grasp wh...

Open Visual Studio and select File Menu -> Open -> Project Next, select Solution File from project folder Project files will be shown in Solution Explorer.

File Commands File.NewProject : CTRL + SHIFT + N Displays the New Project dialog box. File.OpenProject: CTRL + SHIFT + O Displays the Open Project dialog box, where existing projects can be added to the solution. Project.AddClass: SHIFT + ALT + C Displays the Add N...

If one needs related data in a denormalized type, or e.g. only a subset of columns one can use projection queries. If there is no reason for using an extra type, there is the possibility to join the values into an anonymous type. var dbContext = new MyDbContext(); var denormalizedType = from compa...

Visual Studio Community 2017 Free, fully-featured IDE for students, open-source and individual developer Visual Studio Professional 2017 Professional developer tools, services, and subscription benefits for small teams Visual Studio Enterprise 2017 End-to-end solution to meet demand...

To load a class we first need to define it. The class is defined by the ClassLoader. There's just one problem, Oracle didn't write the ClassLoader's code with this feature available. To define the class we will need to access a method named defineClass() which is a private method of the ClassLoader....

Use LocalDate and ChronoUnit: LocalDate d1 = LocalDate.of(2017, 5, 1); LocalDate d2 = LocalDate.of(2017, 5, 18); now, since the method between of the ChronoUnit enumerator takes 2 Temporals as parameters so you can pass without a problem the LocalDate instances long days = ChronoUnit.DAYS.betw...

It's possible to use JoinAlias method to join several tables. It's useful when it's needed to specify some property from the joined table in the select statement: Customer customerAlias = null; Organization organizationAlias = null; IList<Customer> customers = session.QueryOver(() => c...

WebDriver, The main interface to use for testing, which represents an idealised web browser. The methods in this class fall into three categories: Control of the browser itself Selection of WebElements Debugging aids Key methods are get(String), which is used to load a new web page, and the ...

Detailed instructions on getting google-play set up or installed.

You can do more than just print text. print also has several parameters to help you. Argument sep: place a string between arguments. Do you need to print a list of words separated by a comma or some other string? >>> print('apples','bannas', 'cherries', sep=', ') apple, bannas, cherries...