Python Input() Function

Practical tutorial on how to take the user input values using Python’s input() method using the simplest demonstration to take a single value from the user.

Numpy Amin Method

A guide on using the Numpy.amin() function and its syntax, parameters, and return values that taught us to implement Python Numpy programs using this function.

Incoming OpenSSL critical fix: Organizations, users, get ready!

The OpenSSL Project team has announced that, on November 1, 2022, they will release OpenSSL version 3.0.7, which will fix a critical vulnerability in the popular open-source cryptographic library (but does not affect OpenSSL versions before 3.0). Learn…

MongoDB Less Than or Equal To

MongoDB uses built-in comparison operators to compare values in a given document or a native value. This post explains the less than or equal to operator.

Installing Google Chrome in openSUSE

Google Chrome is one of the most popular web browsers, and it is free of charge. Installing Google Chrome in openSUSE is discussed in this article.

How to Fetch Cluster Information in Cassandra

The system keyspace contains tables holding detailed information about your cluster. This article explains fetching cluster information in Cassandra.

SQL Foreign Key

A foreign key is one or more columns in a child table that refers to a primary key of a parent table. The link between both tables is the foreign key.

Boyce–Codd, Fourth and Fifth Normal Forms

The 5NF issue comes up when a given supplier can supply a given product to more than one customer. The Five Normal Forms are discussed in this article.

Development Release: AlmaLinux OS 8.7 Beta

AlmaLinux OS is a clone of Red Hat Enterprise Linux which uses the same source code and provides binary compatibility. The project has published a new development snapshot, AlmaLinux OS 8.7 Beta. “The AlmaLinux 8.7 Beta provides a more stable foundati…

Atlas Auth Commands

Atlas Auth commands perform authentication to the development machines and restrict other addresses outside your network from accessing your cluster.

KDE Plasma 5.26.2 Disables Animated Wallpaper Due to Severe Memory Leak

KDE Plasma 5.26.2 is here a week after KDE Plasma 5.26’s first point release to address more bugs and critical security issues, including a severe memory leak when using the xcb_glx integration for the new animated wallpaper feature on X11. As such, the animated wallpaper feature has been disabled on X11, for now. Learn more […]

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SMTP Commands: Essential SMTP Commands and Response Codes

A guide on the essential SMTP commands and response codes with their functions and how to apply these commands and codes in SMTP sessions.

Ubuntu 22.10 Gets First Kernel Security Update for Recent Vulnerabilities

This first kernel security update for Ubuntu 22.10 patches the recently discovered Wi-Fi Stack security vulnerabilities that Canonical already patched in its other supported Ubuntu releases last week, namely Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubun…

NumPy Zip

The NumPy zip() function is used to zip the variables together in an object or container. This function works with multiple iterable objects or containers.

NumPy Subtract

This guide is about the NumPy subtract() method, how it works, and when it is used. We also covered the syntax, and parameters of the subtract() function.

Numpy Replace Method

In this guide, we learned about the numpy.char.replace function of python’s NumPy. We explained what the purpose of the replace function is.

Numpy Logical_AND

This article have discussed how easily we can perform logical operations on our arrays with the help of the np.logical_and() function of numPy.

Numpy Linalg Norm

This tutorial was created to review Numpy linalg norm. We have provided details about the Python function numpy.linalg.norm() to find a matrix or vector norm.

Numpy Inverse Matrix

We have discussed how we can take the inverse of complex matrices with the help of the linalg module of NumPy by using simple to complex examples.

Java Substring

The java substring is a part of the java main string. As the java strings are immutable, the initial string is left unchanged.