C,C++,Python, MFC, Multi Threading, ORACLE, BIG DATA,HADOOP
C,C++,Python, MFC, Multi Threading, ORACLE, BIG DATA,HADOOP
Wednesday, February 26, 2025
Thursday, January 23, 2025
Wednesday, January 22, 2025
Difference Between Reference And Pointers In C++
This is a good video to refer to learn Difference Between Reference And Pointers In C++
Difference Between Reference And Pointers In C++
Wednesday, December 4, 2024
Game Engines and Frameworks Using C++
Game Engines and Frameworks Using C++
Several game engines and frameworks utilize C++:- Unreal Engine: One of the most popular game engines, which provides a great number of tools and options for creating games with very high quality. C++ programming for the Unreal Engine is offered at Coursera as a specialization for learners with prior programming experience.
- Cocos2d-x: A cross-platform, C++-based, open-source framework for 2D game development for multiple platforms.
- Irrlicht Engine: A free C++ 3D game engine described as small and fast.
- raylib: A C library developed specifically for game programming and inherently really simple to use, thus should be easy for newbies.
To further enhance C++ game development skills, consider the following resources:
- Make a C++ Game – Full Course": A comprehensive YouTube tutorial guiding through the steps of creating a game in C++ from scratch.
- Creating a Game Engine with C++ and OpenGL": A step-by-step guide on developing a basic game engine using C++ and OpenGL, covering environment setup, graphics rendering, and game logic.
C++ programming language is still widely used in game development to provide the necessary level of speed and flexibility for creating really good, effective, and complex games. As a result, C++ accompanies precious assets and solutions that help newcomers build attractive and optimized games without having to develop all the functions from scratch.
Wednesday, June 12, 2024
English proficiency tests IELTS, TOEFL: Reading these books can help you crack the exam
Books can help in more ways than one. For example, they can take your vocabulary to the next level
Books can be our best friends, it's not for nothing that this saying is popular. Here are a few classics and what they can teach you when it comes to English language
Lord of the Flies
BY William Golding
Often prescribed as curriculum in school, this book is a modern novel using descriptive and dramatic language that helps a reader visualise the story
Animal Farm
BY George Orwell
Simple language drives this novel. This story is short and effective, giving the reader an understanding on how to use language in a clever way
To Sir, With Love
BY ER Braithwaite
The story is about how a professor wins over the hearts of unruly students. The words and characterisation will surely teach you a thing or two too
The Curious Incident of the Dog in the Night-Time
BY Mark Haddon
A heart-warming tale of an autistic kid and a dog who set out to solve a murder mystery. The perspective of the world that the kid, Christopher, has is charming
The Old Man and the Sea
BY Ernest Hemingway
Written by journalist Ernest Hemingway, the book has language that is clear, straight forward and factually tight. The sentence structure is short, making it easy to follow
Thursday, April 11, 2024
send XML data
If you want to send XML data to another service internally, you can use a variety of communication methods depending on your system architecture and the technologies you are working with. Here are some common approaches:
HTTP/HTTPS Requests:
- Description: You can send XML data to another service internally using HTTP or HTTPS requests.
- How: Use a library in your programming language of choice to make HTTP requests. Include the XML data as the request body.
- Example: In Python, you might use the
requests
library to send a POST request with an XML payload.pythonimport requests url = "http://internal-service/api/endpoint" headers = {"Content-Type": "application/xml"} xml_data = """ <book> <title>The Great Gatsby</title> <author>F. Scott Fitzgerald</author> <year>1925</year> <genre>Fiction</genre> </book> """ response = requests.post(url, data=xml_data, headers=headers) print(response.status_code) print(response.text)
Message Queues:
- Description: You can use a message queue to send XML data as messages to another service.
- How: Send XML data as messages to the queue, and the other service can consume the messages from the queue.
- Example: In Python, you might use the
pika
library to interact with RabbitMQ and send XML data as messages.pythonimport pika connection = pika.BlockingConnection(pika.ConnectionParameters('localhost')) channel = connection.channel() channel.queue_declare(queue='book_queue') xml_data = """ <book> <title>The Great Gatsby</title> <author>F. Scott Fitzgerald</author> <year>1925</year> <genre>Fiction</genre> </book> """ channel.basic_publish(exchange='', routing_key='book_queue', body=xml_data) connection.close()
Remote Procedure Call (RPC):
- Description: You can use RPC mechanisms to send XML data to another service internally.
- How: Use an RPC library or framework to make a call to the remote service, passing XML data as an argument.
- Example: In gRPC, you might define a service method that accepts XML data as input.
Inter-Process Communication (IPC):
- Description: You can use IPC mechanisms to send XML data between different processes.
- How: Use methods such as sockets, shared memory, or named pipes to communicate and pass XML data.
- Example: In Python, you might use a socket connection to send XML data to another process.
Tuesday, March 19, 2024
Why does C++ allow unsafe code?
- to access hardware directly (e.g. to treat an integer as a pointer to (address of) a device register)
- to achieve optimal run-time and space performance (e.g. unchecked access to elements of an array and unchecked access to an object through a pointer)
- to be compatible with C
- don't use casts
- keep arrays out of interfaces (hide them in the innards of high-performance functions and classes where they are needed and write the rest of the program using proper strings, vectors, etc.)
- avoid void* (keep them inside low-level functions and data structures if you really need them and present type safe interfaces, usually templates, to your users)
- avoid unions
- if you have any doubts about the validity of a pointer, use a smart pointer instead,
- don't use "naked" news and deletes (use containers, resource handles, etc., instead)
- don't use ...-style variadic functions ("printf style")
- Avoid macros excpt for include guards
For an ambitious project to make C++ easier to use and safer without damaging its efficiency or flexibility, see the Core C++ Guidelines.
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