Tag: Another
map vs unordered_map | When to choose one over another ?
In this article we will compare std::map and std::unordered_map and will also discuss when to choose one over another. Both std::map & std::unordered_map store elements in key value pair & provide member functions to efficiently insert, search & delete key value pairs. Advertisements But they are different in following areas, Internal Implementation Memory Usage Time …
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C++ : Check if a String starts with an another given String
In this article we will discuss both case sensitive and insensitive implementations to check if a string starts with an another given string. In c++, std::string class does not provides any startsWith() function to check if a string starts with an another given string. Let’s see how to do that using std::string::find and Boost Library. Advertisements …
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C++ : How to check if a String Ends With an another given String
In this article we will discuss both case sensitive and insensitive implementations to check if a string ends with an another given string. In previous article we discussed different implementations of startsWith() function for std::string. Here on similar lines we will discuss different implementations of endsWith() function. Advertisements In c++, std::string class does not provides any …
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Python : Check if a list contains all the elements of another list
In this article we will discuss if a list contains all or any elements of another list. Suppose we have have two list i.e. Advertisements # List of string list1 = [‘Hi’ , ‘hello’, ‘at’, ‘this’, ‘there’, ‘from’] # List of string list2 = [‘there’ , ‘hello’, ‘Hi’] Check if list1 contains all elements of …
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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 : Find occurrence count & all indices of a sub-string in another string | including overlapping sub-strings
In this article we will discuss different ways to count occurrences of a sub-string in another string and also their index positions. Count occurrences of a sub-string in another string using string.count() Python’s String class contains a method to count the non overlapping occurrences of a sub-string in the string object i.e. string.count(s, sub[, start[, …
Mysql: select rows with MAX(Column value), DISTINCT by another column
We have a requirement to select the rows with maximum value in one column, DISTINCT, by another column in a table. In this article, we will be looking into the same using : ROW_NUMBER() Function and PARTITION BY INNER JOIN and LIMIT Let us start by looking into the data. Assume that we have a …
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Mysql update column with value from another table
This article will update columns in a MySQL table with values from another table using different methods. Table of Contents:- Update column with value from another table using JOIN Update column with value from another table using INNER QUERY Update column with value from another table using CURSOR Let us get started by creating the …
Javascript: How to check if a string starts with another string (4 ways)
While working in javascript, we often come across a general requirement to check if a string “StartsWith” another string. This article will check if a javascript string will start with a specific substring using different methods and example illustrations. Table of Contents:- Check if a starting starts with another string using startsWith() function Check if a …
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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 …