Learn
DSA
basics
lists
sets
strings
tuples
dictionaries
list comprehensions
stacks
queues
maxheaps
regular linked lists
circular linked lists
doubly linked lists
binary search tree
graphs using adjacency lists
graphs using adjacency matrix
HTML
basics
links
images
audio
video
text format
lists
tables
color-inline
color-internal
color-external
span x div
meta data
iframes
button
forms
icon
CSS
basics
fonts
border
background
margin
float
position
pseudo
shadow
transform
animation
media
Javascript
basics
variables
arithmetic operators
user input
type conversion
const
counter program
math
random
if else
checked property
ternary operator
switch
string methods
slicing
method chaining
logical operators
strict equality
while loop
for loop
functions
variable scope
arrays
spread operator
rest parameter
callback
foreach()
map()
filter()
reduce()
function expressions
arrow functions
js objects
this
constructor
classes
static keyword
inheritance
super keyword
getter & setter
destructing
nested objects
array of objects
sort()
fisher-yates algorithm
date objects
closure
settimeout() & cleartimeout()
e56 module
asynchronous code
error handling
dom
element selector
dom navigation
add & change html
mouse events
key events
show/hide html
node lists
class lists
callback hell
promises
async/await
json files
fetch()
Python
data types
conversions
string methods
operators
lists
tuples
sets
dictionaries
if else
loops
functions
class & objects
inheritance
error handling
modules
file handling
Java
Variables & datatypes
user input
math
random
if else
switches
operators
loops
arrays
string methods
array list
2d array list
foreach()
methods
printf
final
objects
constructors
tostring()
array of objects
object passing
static keyword
inheritance
super keyword
abstract class
encapsulation
interface
polymorphism
exception handling
file handling
C
basics
variables
datatypes
arithmetic operators
user input
fgets
math functions
if else
switch
logical operators
functions
ternary operator
function prototype
string functions
loops
nested loop
break & continue
arrays
2d arrays
array of strings
sort array
struct
typedef
array of structs
enums
random numbers
bitwise operators
memory addresses
pointers
file handling
C++
basics
variables
namespaces
typedef & typealias
operators
type conversion
user input
math functions
if else
switch
ternary operator
logical operator
string methods
while loop
do while loop
for loop
random
functions
array
sizeof()
iterate array
foreach()
array to function
search in array
sort array
fill()
multidimensional arrays
pointers
null pointers
dynamic memory
recursion
function templates
structs
structs to function
enums
class & objects
constructors
overloaded constructors
getters & setters
inheritance
error handling
file handling
C#
basics
variables
type casting
user input
arithmetic operators
math functions
random
string methods
if else
switch
logical operator
loops
nested loops
arrays
foreach()
methods aka functions
return keyword
method overloading
params keyword
error handling
conditional/ternary operator
string interpolation
multidimensional arrays
classes
objects
constructors
static
overloaded constructors
inheritance
abstract classes
array of objects
objects as arguments
method overriding
ToString()
polymorphism
interface
lists
list of objects
getters & setters
auto-implemented properties
enums
generic
Multi threading
PHP
variables & datatypes
operators
get & post
math
if else
logical operators
switch
for loop
while loop
arrays
associative arrays
isset() & empty()
radio buttons
checkbox
functions
string functions
sanitize & validate
include()
cookies
sessions
server
hashing
mysql connection
insert data
fetch data
MySQL
basics
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