Tutorial by Examples: ti

In this example we will extract all the web links from a website. I am using http://stackoverflow.com/ for illustration. Here recursion is used, where each obtained link's page is parsed for presence of an anchor tag and that link is again submitted to the same function. The condition if(add &&...

public class Foobar { public static void main(String[] args) { // example: Boolean ignore = null; if (ignore == false) { System.out.println("Do not ignore!"); } } } The pitfall here is that null is compared to false. Since w...

Pre-requisites AEM Installed on your server. Copy the path of the install (e.g: /mnt/crx) Start AEM (e.g java -jar cq-quickstart-author-p4502.jar) once. This will generate all the necessary folders, especially /mnt/crx/crx-quickstart/bin that is required by the scripts. Create a user who will h...

If we want to disable all the actions like Copy, Paste, Replace, Select, etc from UITextField then we can use following custom text field: class CustomTextField: UITextField { var enableLongPressActions = false required init(coder aDecoder: NSCoder) { super.init(coder: aDecoder)! } o...

Function xyz returns two values a and b: def xyz(): return a, b Code calling xyz stores result into one variable assuming xyz returns only one value: t = xyz() Value of t is actually a tuple (a, b) so any action on t assuming it is not a tuple may fail deep in the code with a an unexpecte...

Parameter TypesReturn TypeInterface()voidRunnable()TSupplier()booleanBooleanSupplier()intIntSupplier()longLongSupplier()doubleDoubleSupplier(T)voidConsumer<T>(T)TUnaryOperator<T>(T)RFunction<T,R>(T)booleanPredicate<T>(T)intToIntFunction<T>(T)longToLongFunction<T>(...

You can define a function to be recursive with the rec keyword, so it can call itself. # let rec fact n = match n with | 0 -> 1 | n -> n * fact (n - 1);; val fact : int -> int = <fun> # fact 0;; - : int = 1 # fact 4;; - : int = 24 You can also define mutually re...

I used for this example webapp2 to cover the routing. from webapp2_extras.routes import RedirectRoute as Route Import from views: from views import MainPage MainPage is the handler set into root "/": urlpatterns = [ Route('/', MainPage), ]

Once you're up with a new project with the basic template provided in the Introduction, you should be able to add a LUISRecognizer like so - var model = '' // Your LUIS Endpoint link comes here var recognizer = new builder.LuisRecognizer(model); Now, recognizer is a LUISRecognizer and can pa...

IMPORTANT!! Valet is a tool designed for macOS only. Prerequisites Valet utilizes your local machine's HTTP port (port 80), therefore, you will not be able to use if Apache or Nginx are installed and running on the same machine. macOS' unofficial package manager Homebrew is required to properly...

Tooltip is a directive, it allows the user to show hint text while the user mouse hover over an element. A tooltip would have the following markup. <span tooltip-direction="left" tooltip="On the Left!">Left</span> <button tooltip="some message" ...

Assume that, we implement a simple API and we have the following models. class Parent(models.Model): name = models.CharField(max_length=50) class Child(models.Model): parent = models.ForeignKey(Parent) child_name = models.CharField(max_length=80) And we want to return a respo...

Detailed instructions on getting avr set up or installed.

creating custom exception 'P2222': create or replace function s164() returns void as $$ begin raise exception using message = 'S 164', detail = 'D 164', hint = 'H 164', errcode = 'P2222'; end; $$ language plpgsql ; creating custom exception not assigning errm: create or replace function s...

Detailed instructions on getting greasemonkey set up or installed.

Prerequisites: Java is installed Selenium is extracted in a folder (Contains 2 files, and 1 folder) Follow these steps to set up IntelliJ Idea for Selenium. Click On "New Project". Choose Java < "Hello World" Application Type the name of the Project, and create it....

Prerequisites : ChromeDriver is downloaded Copy the following code into your class. public static void main(String[] args) { System.setProperty("webdriver.chrome.driver", "path of the exe file\\chromedriver.exe"); } If you're using linux, give the path to the ChromeDri...

Every Html-Element in Selenium is called a WebElement. For example, a p tag would be a WebElement, an a tag would be a WebElement, etc. Consider the following html Structure: <a id="link1" href="https://www.google.com">google</a> <p class="p1"> This...

To get the attribute of a WebElement, we use getAttribute on that WebElement. For example, consider the following html tag <a id="click" href="https://www.google.com"> We can find the Element's href attribute by WebElement e = driver.findElement(By.id("click&quot...

Intoduction Object Oriented Programming (mostly referred as OOP) is a programming paradigm for solving problems. The beauty an OO (object oriented) program, is that we think about the program as a bunch of objects communicating with each other, instead of as a sequential script following specific ...