Tag: copy
How to copy all Values from a Map to a Vector in C++
In this article we will discuss how to fetch all values from a map and put them in vector. Suppose we have a map of words and their frequency count i.e. Advertisements // Map of string & int // To store the frequency count of words std::map<std::string, int> wordMap = { { “is”, 6 }, …
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C++ : How to copy / clone a STL List or Sub List
In this article we will discuss different techniques to clone the whole list or copy just a sub list. Suppose we have a std::list of strings i.e. Advertisements // List of strings std::list<std::string> listOfStrs = { “of”, “is”, “from”, “this”, “at”, “to” }; Now let’s see how to copy this or a sub list from …
Python : How to copy a dictionary | Shallow Copy vs Deep Copy
In this article we will discuss how to create a shallow and deep copy of dictionary in Python. Create Shallow copy of Dictionary using dict.copy() Python’s dictionary provides a member function copy() i.e. Advertisements dict.copy() It returns a shallow copy of the existing dictionary. What is a shallow copy ? Frequently Asked: Convert dictionary values …
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Python : How to copy files from one location to another using shutil.copy()
In this article we will discuss how to copy files from one directory to another using shutil.copy(). shutil.copy() Python’s shutil module provides a function shutil.copy() i.e. Advertisements shutil.copy(src, dst, *, follow_symlinks=True) It copies the file pointed by src to the directory pointed by dst. Parameters: Frequently Asked: Python : How to remove files by matching …
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Python: Reverse a list, sub list or list of list | In place or Copy
In this article we will discuss different ways to reverse contents of a list or list of lists. We will also cover scenarios where we create a reverse copy of the list or reverse the contents of the list in place. Suppose we have a list, list_of_num = [51, 52, 53, 54, 55, 56, 57, …
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Javascript: Copy an array items to another
While working with javascript arrays, there is often a requirement to copy elements of one array to another array. This article demonstrates easy ways to copy elements of one array to another array in javascript. Table of Contents: Copy items from one array to another using concat() Copy items from one array to another using …
Extract specific columns to new DataFrame as copy in Pandas
Multiple times while processing data, it is important to extract specific columns and store them in a new DataFrame. In this article, we will cover multiple ways to achieve that. Table of Contents Preparing Dataset Select subset of columns using copy() function Select subset of columns using filter() function Select subset of columns using drop() …
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Python List copy()
In this article, we will discuss about the usage details of copy() method of List in Python. Table Of Contents Introduction Syntax of List copy() method Example of List copy() method List copy() method vs = operator Summary Introduction The copy() method of a list, returns a shallow copy of list. It can be usefull, …
gsutil cp – Copy and Move Files on Google Cloud
gsutil cp – Copy and Move Files on Google Cloud Platform. gsutil cp/mv command is mainly used to perform actions on the files or objects on the Google Cloud Storage from your local machine or from your Compute Engine Virtual Machine. You can also use gsutil wildcard to sync multiple objects to GCS. This guide …
AWS Copy Files to S3 using AWS-CLI
AWS Copy Files to S3 using AWS-CLI. Amazon S3 is a very fast and reliable storage infrastructure in AWS which is helpful for developers and other services to store data and download them when necessary as private or public. In this guide you are going to learn how to use the AWS-CLI commands to perform …