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return statement The C++ return statement terminates the execution of function and it returns the control to the calling function. It calls the constructor as well as the destructor. It returns an integer value for “int main()”. The following is the syntax of return statement. return expression; Here, expression − The expression or any value to be returned. The following is an example of return statement. Example #include using namespace std; class Method { public: Method() { cout
Business Intelligence is a collection of procedures, mechanisms, and technologies that modifies raw data into significant information that drives cost-effective business services. It is a collection of software and services to modify data into actionable intelligence and recognition. Business Intelligence (BI) has an unambiguous impact on an organization’s methods, tactical and operational business decisions. BI supports fact-based decision-making using historical data rather than assumptions and gut feelings.BI tools implement data analysis and make documents, summaries, dashboards, maps, graphs, and charts to support users with detailed intelligence about the feature of the business.Business Intelligence is one of the most dynamic tools ... Read More
To append HTML code to a div using JavaScript, we will be using HTML DOM methods and property. We have discussed four different approaches in this article with stepwise explaination and complete example codes. In this article, we are having a div with id container and our task is to append HTML code to a div using JavaScript. Approaches to Append HTML Code to a div Here is a list of approaches to append HTML code to a div using JavaScript which we will be discussing in this article with stepwise explaination and complete example codes. ... Read More
In Python Pandas, filtering the rows and fetching any specific column values can be done in serval ways, one of which is by using the Pandas contains() method. Usually, this method is applied to columns that are of the string type, to filter rows based on the sub-string ( i.e. by verifying whether the column contains a specific substring). Steps Involved The Steps involved in filtering the rows in pandas are as follows Reading a CSV File ... Read More
In Python, Modifying the permission of a directory can be done using the subprocess module and, the chmod() Function ( of the os module). Using 'subprocess' Module The subprocess module in Python provides various functions to create a new (child) process and establish a connection to the I/O devices. This module has a function named call(), This function helps us to run the shell commands of the underlying Operating system. You just need to pass the respective command with the desired options (in the recommended order). For example, the command to set permissions read-write permissions to a user in the Unix ... Read More
In Python to create a logarithmic bin, we can use Numpy library to generate logarithmically spaced bins, and using matplotlib for creating a histogram. Logarithmic bins in a Python histogram refer to bins that are spaced logarithmically rather than linearly. We can set the logarithmic bins while plotting histograms by using plt.hist(bin="") Steps to Create Logarithmic Bins To set logarithmic bins in a Python histogram, the steps are as follows. Import Libraries: Importing 'matplotlib' for plotting and 'numpy' for performing numerical computations. ... Read More
In Python to save a dictionary to a CSV file, we can use the CSV' module. This process slightly depends on the structure of your dictionary. Generally, a CSV file refers to each line is corresponds to a row in a table, and each value in the line is separated by a comma. CSV files are widely used because they are easy to read and write (handling files) and also easy to transfer data in the form of strings. Common Approaches There are various scenarios for saving a Python Dictionary to a CSV file, in this article, we focus ... Read More
In Python to display calendar, you need to import calendar module, it provides various functions to handle operations related to calendar, and also includes printing a text calendar for a month . Calendar Module The calendar module in python provides various functions and classes to perform date-related operations. To print a calendar in Python, we import the calendar module, which will import all module classes. Key Features Some of the features provided by Calendar module are as follows: Calendar Functions: To generate HTML or text format ... Read More
There are two common ways to upload a file using Python. One is through a cloud storage service using a web server, and CGI environment, (also known as an automated file upload system). In this tutorial, we will focus on file uploading using the CGI (Common Gateway Interface) environment. The process involves generating an HTML form for file uploading and a Python script to manage file saving and uploading to the server. The steps involved in uploading files using Python are as follows - Creating HTML Form ... Read More
To get the number of days between two dates in JavaScript, we will be understanding four different approaches with stepwise explaination and example codes. In this article, we are having two different dates and our task is to get the number of days between two dates in JavaScript. Approaches to Get the Number of Days Between Two Dates Here is a list of approaches to get the number of days between two dates in JavaScript which we will be discussing in this article with stepwise explaination and complete example codes. Get Number of Days Using ... Read More