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Mysql On Amazon Rds

MySQL on Amazon RDS

MySQL on Amazon RDS is the most popular and used database service of AWS Cloud. I will recommend to read our post on Amazon RDS – AWS Relational Database Service to get an understanding of….

Python Numpy Cumsum

numpy.cumsum() in Python

Python numpy cumsum() function returns the cumulative sum of the elements along the given axis. Python numpy cumsum() syntax The cumsum() method syntax is: cumsum(array, axis=None, dtype=None, out=None) The array can be ndarray or array-like….

Numpy Array To List

Python – Convert NumPy Array to List

We can use numpy ndarray tolist() function to convert the array to a list. If the array is multi-dimensional, a nested list is returned. For one-dimensional array, a list with the array elements is returned…..

Python Numpy Ones

numpy.ones() in Python

Python numpy.ones() function returns a new array of given shape and data type, where the element’s value is set to 1. This function is very similar to numpy zeros() function. numpy.ones() function arguments The numpy.ones()….

Python Numpy Sum

numpy.sum() in Python

Python numpy sum() function is used to get the sum of array elements over a given axis. Python numpy sum() function syntax Python NumPy sum() method syntax is: sum(array, axis, dtype, out, keepdims, initial) The….

Python Numpy Append

numpy.append() in Python

Python numpy append() function is used to merge two arrays. This function returns a new array and the original array remains unchanged. NumPy append() Syntax The function syntax is: numpy.append(arr, values, axis=None) The arr can….

Python Numpy Square

numpy.square() in Python

Python numpy.square() function returns a new array with the element value as the square of the source array elements. The source array remains unchanged. Python numpy.square() Examples It’s a utility function to quickly get the….

Python Numpy Zeros

numpy.zeros() in Python

Python numpy.zeros() function returns a new array of given shape and type, where the element’s value as 0. numpy.zeros() function arguments The numpy.zeros() function syntax is: zeros(shape, dtype=None, order=’C’) The shape is an int or….

Python Remove Duplicates From List

Python Remove Duplicates from a List

There are many ways to remove duplicates from a Python List. Using a temporary List and Looping Using set() built-in method Using Dictionary Keys List count() function List Comprehension Removing Duplicates from a List Python….

LRU Cache Java

LRU Cache Implementation in Java

What is LRU Cache? LRU Cache stands for Least Recently Used Cache. The size of the cache is fixed and it supports get() and put() operations. When the cache is full, the put() operation removes….

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