Tutorial by Topics: i

As the hackage page describes: pipes is a clean and powerful stream processing library that lets you build and connect reusable streaming components Programs implemented through streaming can often be succinct and composable, with simple, short functions allowing you to "slot in or out...

Characters, numbers and _ can be use for variable name. Two character using for variable state and object type. Local variables start with L. Global variables start with G. Function input parameter start with I (import). Function output parameter start with E (export). Structures symbol is S...

The Unsafe class allows a program to do things that are not allowed by the Java compiler. Normal programs should avoid using Unsafe. WARNINGS If you make a mistake using the Unsafe APIs, your applications are liable to cause the JVM to crash and/or exhibit symptoms that are hard to diagnose...

CLASS_NAME: @FindBy(className = "classname") CSS: @FindBy(css = "css") ID: @FindBy(id = "id") ID_OR_NAME: @FindBy(how = How.ID_OR_NAME, using ="idOrName") LINK_TEXT: @FindBy(linkText= "text") NAME: @FindBy(name= "name") PARTIAL_LIN...

WRITE(unit num, format num) outputs the data after the brackets in a new line. READ(unit num, format num) inputs to the variable after the brackets. OPEN(unit num, FILE=file) opens a file. (There are more options for opening files, but they are not important for I/O. CLOSE(unit num) closes a fi...

Many developers use unit tests to check that their software works as expected. Unit tests check small units of larger pieces of software, and ensure that the outputs match expectations. Testing frameworks make unit testing easier by providing set-up/tear-down services and coordinating the tests. T...

Official Google Documentation Google Maps JavaScript API Overview Google Maps JavaScript API Code Samples Google Maps JavaScript API Reference About the examples in this topic YOUR_API_KEY needs to be replaced by your own application API key. You can obtain an API key and configure ...

What is Selenium? Selenium is a library of commands to help a programmer interface with a browser like a real user. Things that Selenium does: Finding element(s) in a webpage's html Finds a single element: driver.find_element_by_css_selector("css.selector.of.element") CSS Sele...

Basic Syntax: {GRANT| REVOKE | DENY} {PERMISSION_NAME} [ON {SECURABLE}] TO {PRINCIPAL}; {GRANT| REVOKE | DENY} - What you're trying to accomplish Grant: "Give this permission to the stated principal" Revoke: "Take this permission away from the stated principal" Deny:...

Most Haskell functions are called with the function name followed by arguments (prefix notation). For functions that accept two arguments like (+), it sometimes makes sense to provide an argument before and after the function (infix).