Python Numpy Tutorials
- Create a numpy array from list, tuple or list of lists
- Find the index of value in Numpy Array
- Select element or sub array by index from numpy array
- Select rows / columns by index from a 2D numpy array
- Select elements by conditions from Numpy Array
- Create a Numpy Array of evenly spaced numbers
- How to append elements to a Numpy Array
- Find max value & it’s index in Numpy Array | numpy.amax()
- Find unique values in a numpy array with frequency & indices
- numpy.where() : Tutorial & Examples | Python
- numpy.zeros() & numpy.ones() | Create a numpy array of zeros or ones
- Create Numpy Array of different shapes & initialize with identical values using numpy.full()
- numpy.amin() | Find minimum value in Numpy Array and it’s index
- numpy.linspace() | Create same sized samples over an interval in Python
- Delete elements, rows or columns from a Numpy Array by index positions using numpy.delete() in Python
- How to get Numpy Array Dimensions using numpy.ndarray.shape & numpy.ndarray.size() in Python
- Sorting 2D Numpy Array by column or row in Python
- How to Reverse a 1D & 2D numpy array using np.flip() and [] operator in Python
- How to save Numpy Array to a CSV File using numpy.savetxt() in Python
- What is a Structured Numpy Array and how to create and sort it in Python?
- How to sort a Numpy Array in Python ?
Python Pandas Tutorials
- Create DataFrame from dictionary in pandas
- Get list of column and row names in DataFrame
- Change Column & Row names in DataFrame
- Select Rows & Columns using loc & iloc in DataFrame
- Select Rows based on conditions
- Drop rows in DataFrame by index labels
- Drop rows in DataFrame by conditions on column values
- Drop columns in DataFrame by label Names or Position
- Add new columns in a dataFrame
- How to add rows in a DataFrame
- Count NaN or missing values in DataFrame
- Convert lists to a dataframe
- Find & Drop duplicate columns in a DataFrame
- Create an empty DataFrame and add data to it later
- Pandas : Check if a DataFrame is empty in Python
- Pandas : Find duplicate rows in a Dataframe based on all or selected columns using DataFrame.duplicated() in Python
- Pandas : skip rows while reading csv file to a Dataframe using read_csv() in Python
- pandas.apply(): Apply a function to each row/column in Dataframe
- Pandas: Sort rows or columns in Dataframe based on values using Dataframe.sort_values()
- Pandas: Find maximum values & position in columns or rows of a Dataframe
- Pandas : How to Merge Dataframes using Dataframe.merge() in Python – Part 1
- Pandas : Merge Dataframes on specific columns or on index in Python – Part 2
- Pandas : How to merge Dataframes by index using Dataframe.merge() – Part 3
- Pandas : count rows in a dataframe | all or those only that satisfy a condition
- Pandas : Read csv file to Dataframe with custom delimiter in Python
- Pandas : 6 Different ways to iterate over rows in a Dataframe & Update while iterating row by row
- Pandas : Loop or Iterate over all or certain columns of a dataframe
- Get minimum values in rows or columns & their index position in Dataframe using Python
- Apply a function to single or selected columns or rows in Dataframe
- Sort a DataFrame based on column names or row index labels using Dataframe.sort_index() in Pandas
- Pandas : Drop rows from a dataframe with missing values or NaN in columns
- Pandas : Get unique values in columns of a Dataframe in Python
Python List
- Check if an item exists in List
- Check if a list contains all the elements of other list
- Create a List and initialize with values
- How to Iterate over a List
- Insert an element at specific index in List
- Sort a list of tuples by 2nd Item
- Sort a list of strings
- Add an element in list | append() vs extend()
- Check if all elements in a List are same
- Merge / Join two or more lists
- Remove Duplicates from a List
- Convert a list to string
- Remove element from a list by value or Index
- Remove multiple elements from list
Python Dictionary
- Creating Dictionaries in Python
- Iterating over Dictionaries in Python
- Check if a key exists in Dictionary
- Get list of all the keys in Dictionary
- Get list of all the Values in a Dictionary
- Remove multiple keys in Dictionary while Iterating
- Remove a key from Dictionary
- Add key/value pairs in Dictionary
- Find keys by value in Dictionary
- Sort a Dictionary by key or Value
- Copy a dictionary | Shallow vs Deep Copy
- Convert a list to dictionary
- Filter a dictionary by conditions on keys or values
- Python : How to get all keys with maximum value in a Dictionary
- How to Merge two or more Dictionaries in Python ?
Python File Handling
- How to read a file line by line in Python
- Creating a Directory in python
- Get list of files in directory and sub directories
- Get the current working directory
- Check if a directory is empty
- Change current working directory in python
- Check if a file or directory or link exists
- Get Last Modification date & time of a file
- Copy files using shutil.copy()
- Remove files by matching pattern
- Get Last Access & Creation date time of a file
- Remove a file if exists and handle errors
- How to move files and Directories
Python Process Management
Python Tuples
Python Strings
- Access characters in string by index in Python
- Iterate over the characters in string
- How to Replace characters in a string ?
- How to remove characters from a string by Index ?
- How to pad strings with zero, space or some other character in Python
- How to Compare Strings ? | Ignore case | regex | is vs == operator using Python
- Find occurrence count & all indices of a sub-string in another string | including overlapping sub-strings
- Check if a String contains a sub string & find it’s index | case insensitive
- Find frequency of each character in string and their indices | Finding duplicate characters in a string
- How to create multi line string objects in python ?
- Count occurrences of a single or multiple characters in string and find their index positions
Python Date Time
Recent Posts
- Pandas : Get unique values in columns of a Dataframe in Python
- Python : min() function Tutorial with examples
- Python : List Comprehension vs Generator expression explained with examples
- Pandas : Drop rows from a dataframe with missing values or NaN in columns
- Python : max() function explained with examples
- Python : Iterators vs Generators
- How to Merge two or more Dictionaries in Python ?
- Docker : How to Stop & Remove a running container by ID or Name ?
- Python : How to get all keys with maximum value in a Dictionary
- Python : How to make a class Iterable & create Iterator Class for it ?
- How to sort a Numpy Array in Python ?
- Python : Yield Keyword & Generators explained with examples
- What is a Structured Numpy Array and how to create and sort it in Python?
- Python : Iterator, Iterable and Iteration explained with examples
- How to Stop & remove all or running or stopped docker containers ?
- Count occurrences of a single or multiple characters in string and find their index positions
- How to create multi line string objects in python ?
- How to save Numpy Array to a CSV File using numpy.savetxt() in Python
- How to Reverse a 1D & 2D numpy array using np.flip() and [] operator in Python
- Sorting 2D Numpy Array by column or row in Python
- Python : filter() function | Tutorial & Examples
- How to get IP address of running docker container from host using inspect command ?
- Pandas : How to merge Dataframes by index using Dataframe.merge() – Part 3
- How to create & run a Docker Container from an Image ?
- Delete elements from a Numpy Array by value or conditions in Python
- Python : map() function explained with examples
- How to get Numpy Array Dimensions using numpy.ndarray.shape & numpy.ndarray.size() in Python
- Delete elements, rows or columns from a Numpy Array by index positions using numpy.delete() in Python
- Python : How to use global variables in a function ?
- Python : How to use if, else & elif in Lambda Functions
- Python : Filter a dictionary by conditions on keys or values
- Find frequency of each character in string and their indices | Finding duplicate characters in a string
- Pandas : Sort a DataFrame based on column names or row index labels using Dataframe.sort_index()
- Why do we need Lambda functions in Python ? | Explained with examples.
- Pandas: Apply a function to single or selected columns or rows in Dataframe
- Python : Check if a String contains a sub string & find it’s index | case insensitive
- Python : Find occurrence count & all indices of a sub-string in another string | including overlapping sub-strings
- Pandas Dataframe: Get minimum values in rows or columns & their index position
- Python : How to Compare Strings ? | Ignore case | regex | is vs == operator
- Python : How to pad strings with zero, space or some other character ?
- Pandas : Merge Dataframes on specific columns or on index in Python – Part 2
- Pandas : Loop or Iterate over all or certain columns of a dataframe
- Pandas : 6 Different ways to iterate over rows in a Dataframe & Update while iterating row by row
- Pandas : Read csv file to Dataframe with custom delimiter in Python
- Pandas : count rows in a dataframe | all or those only that satisfy a condition
- Python : How to Create a Thread to run a function in parallel ?
- Pandas : How to Merge Dataframes using Dataframe.merge() in Python – Part 1
- numpy.linspace() | Create same sized samples over an interval in Python
- Create a Thread using Class in Python
- Pandas: Find maximum values & position in columns or rows of a Dataframe
C++11 Multithreading
- Part 1: Three Ways to Create Threads
- Part 2: Joining and Detaching Threads
- Part 3: Passing Arguments to Threads
- Part 4 : Sharing Data & Race Conditions
- Part 5 : Fixing Race Conditions using mutex
- Part 6 : Need of Event Handling
- Part 7: Condition Variables
- Part 8: std::future and std::promise
- Part 9: std::async Tutorial & Example
- Part 10: std::packaged_task<> Tutorial
C++11 Smart Pointers
C++11 Unordered Map
C++11 Unordered Set
C++11 Rvalue References
Design Patterns
Tags
Binary Search Tree
Binary Tree
C++
C++ 11
c++11
C++ 11 Multithreading
c++11 Multithreading
C++11 Threads
c++ 11 Threads
C++ Interview Question
C++ Interview Questions
collections
delete
Design Pattern
Design Patterns
gdb
gdb commands
gdb Tutorial
hashset
home
java
Linked List
linkedlist
linux
linux system programming
method overriding
Multithreading
new
Observer Design Pattern
process
python
set
shared_ptr
Smart Pointer
std::bind
std::find
std::map
std::set
std::thread
std::vector
STL
STL Algorithm
STL Interview Questions
Strategy Design Pattern
VECTOR
Callbacks in C++11
C++11 Miscellaneous Topics
Data Struture
gdb
Polymorphism
STL – Vector Tutorial
- 1.) What’s std::vector and why to use it?
- 2.) Different ways to initialize a vector
- 3.) How does std::vector works internally
- 4.) User Defined Objects & std::vector
- 5.) How to use vector efficiently in C++?
- 6.) std::vector and Iterator Invalidation
- 7.) Remove repeated elements from a vector
- 8.) Fill a vector with random numbers
- 9.) Hidden cost of std::vector
- 10.) Adding elements in Vector
STL – List Tutorial
- 1.) std::list Internals & Usage Details
- 2.) List vs Vector
- 3.) Different ways to Initialize a list
- 4.) Erase elements using iterators
- 5.) Remove elements while Iterating
- 6.) Remove elements based on External Criterion
- 7.) Get element by index in List
- 8.) Searching an element in std::list
- 9.) Different Ways to iterate over a List
- 10.) Sorting a List & custom Comparator
STL – Deque
STL – Set Tutorial
- 1.) C++ Set basic example and Tutorial
- 2.) Using std::set with user defined classes
- 3.) std::set and external Sorting criteria | Comparator
- 4.) Access Element by index in Set
- 5.) How to insert elements in Set
- 6.) How to iterate over a Set
- 7.) Removing an element from Set
- 8.) Erase elements while Iterating & Generic erase_if()
STL – Map Tutorial
- 1.) std::map Usage Detail with examples
- 2.) std::map and Comparator
- 3.) std::map & User defined class objects as keys
- 4.) Set vs Map
- 5.) How to Iterate over a map in C++
- 6.) Map Insert Example
- 7.) Iterate a map in reverse order
- 8.) Check if a key exists in a Map
- 9.) Search by value in a Map
- 10.) Erase by Key | Iterators
- 11.) C++ Map : Operator []
- 12.) Erase by Value or callback
- 13.) copy all Values from a Map to vector
STL – MultiMap Tutorial
STL Algorithms
C++ Interview Questions
- Variable Arguments
- Verify brackets or parentheses combination
- Convert the base of a Number to any other base in Number System
- Fibonacci Sequence without Recursion
- Use OOPS to Display a sequence of numbers without any For-Loop or Recursion
- Allocating and deallocating 2D arrays dynamically in C and C++
- What’s std::vector and why should I use std::vector?
- How does std::vector works internally ?
- What is std::deque and how deque works internally.
Sorry, comments are closed for this post