JavaScript Maps - W3Schools
A Map holds key-value pairs where the keys can be any datatype. A Map remembers the original insertion order of the keys.
JavaScript Array map() Method - W3Schools
map() creates a new array from calling a function for every array element. map() does not execute the function for empty elements. map() does not change the original array.
Python map() Function - W3Schools
The map() function executes a specified function for each item in an iterable. The item is sent to the function as a parameter.
DSA Hash Maps - W3Schools
A Hash Map is a form of Hash Table data structure that usually holds a large number of entries. Using a Hash Map we can search, add, modify, and remove entries really fast. Hash Maps are used to find detailed information about something.
ADO Data Types - W3Schools
The table below shows the ADO Data Type mapping between Access, SQL Server, and Oracle:
Python Machine Learning - W3Schools
With Machine Learning, computers can learn from data. Python's syntax structure makes it ideal for developing machine learning applications.
Pandas DataFrame mask() Method - W3Schools
data = { "age": [50, 40, 30, 40, 20, 10, 30], "qualified": [True, False, False, False, False, True, True]} df = pd.DataFrame(data) newdf = df.mask(df["age"] > 30)
C Data Type Conversion - W3Schools
Here's a real-life example of data types and type conversion where we create a program to calculate the percentage of a user's score in relation to the maximum score in a game:
W3.JS HOME
W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more.
HTML Images
<map> Defines an image map <area> Defines a clickable area inside an image map <picture> Defines a container for multiple image resources