Programming Leftovers

posted by Roy Schestowitz on Apr 12, 2023

• A draft Rust trademark policy

  RS can be used freely and without permission to indicate that software or a project is derived from or based on Rust, compatible with Rust, inspired by Rust, or can be used for the same purpose as Rust. We recommend using RS instead of ‘Rust’ if you have any concerns about your use falling outside of this policy, for example, naming your crate foo-rs instead of rust-foo.

• Get a Class Name in Python

  To Get the class name of an object/variable in Python, the user can use the type() method, the __class__ attribute, or the __class__.__name__ attribute.

• Python Object is Not Callable Error

  This error is caused by calling a variable with parenthesis when it is neither a module nor a function. Also, due to an invalid call to imported module’s method

• Convert a List of Tuples to a Dictionary in Python

  To convert a list of tuples into a dictionary in Python, use the dict() constructor with either the list comprehension approach or the map() method.

• Python String Decode Method

  The decode() method is used to decode an already encoded string. To do this, you need to specify the encoding format that was used on the original string.

• Python Count Duplicate in the List

  The user can use various approaches to find duplicates in a list including the conversion of a list into a set, the use of the count() or the if-not condition.

• Python Encrypt String

  To encrypt strings in Python, you can use the fernet module from the cryptography library. Otherwise, you can utilize the rsa library.

• DataparkSearch Is an Open Source Search Engine Written in C

  DataparkSearch Engine is a powerful and versatile search engine that can be used to search for information within a website, group of websites, intranet or local system. This open-source web-based search engine is equipped with a wide range of features that make it stand out from the competition. One of

• C++ Pointer to Structure

  A structure is a data type created by the user which combines multiple variables of different data types into a single entity identified by a single name.

• How to Copy Arrays with memmove() in C Programming

  The C library function memmove() is used to copy a certain number of bytes from one memory address to another.

• C++ sin() Function

  The sin() function calculates the sine of an angle. It can be accessed using header file and takes a single argument which is the angle in radians.

• Difference Between Structure and Union in C

  In C programming, the structure and union are two different datatypes with similar syntax but differ in terms of memory allocation.

• Does C Support “foreach” Loop?

  C programming does not support foreach loop. In this article, one can find some solutions to use foreach loop in C.

• How to Convert Binary Numbers into Decimals in C

  Binary number is a combination of 0 and 1 while decimals mean in the form of base 10. Follow this article to convert binary numbers to decimals in C.

• How to Convert Strings to Uppercase with strupr() in C Programming?

  The strupr() function changes a string's case to uppercase. This article is a guide about strupr() function in C programming.

• New ESP32 dev kit equipped with 6-axis IMU, 1.3” OLED and flexible wireless connectivity

  The SoftRF T-BeamSUPREME is a new small embedded device designed and produced by LILYGO and SoftRF. The new development board is compatible with U-blox MAX-M10S modules and Seemtech SX1262 LoRa modules.

• Ubuntu Blog: Optimise your ROS snap – Part 2

  

  Welcome to Part 2 of the “optimise your ROS snap” blog series. Make sure to check Part 1 before reading this blog post. This second part is going to present initial optimisations already used in the Gazebo snap. We will present the benefit that they could bring to our ROS snaps as well as the performance results.

  Before its release, the Gazebo snap was using two optimisations that we need to cover first.

• Best 15 Open Source React SaaS Templates and Next.js SaaS Starters For Startups

  React and Next.js! React is a popular free and open-source JavaScript framework for building enterprise-class web apps, reactive user-interface, and fast end-results.