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Bash Substring after a Specified Character

Practical guide on the various uses of Bash substring extraction to extract the substring from a string data after a specified character using the Bash script.

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PostgreSQL Group by Hour (Time)

Guide on how to group the timestamp columns using the EXTRACT and DATE_TRUNC functions and how to use the aggregate functions with group by hour in PostgreSQL.

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PostgreSQL Escape the Single Quote in String

How to escape the single quotes to use it within a string by doubling the single quotes or using the E backslash method or the dollar-quoted string method.

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NumPy Gradient Method

To calculate the gradient of the function or Numpy “N-Dimensional” array the “numpy.gradient()” method is utilized in Python.

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PostgreSQL Group by Day (Date)

Tutorial on how to group the dates per day when working with PostgreSQL using the DATE_TRUNC and the DATE_PART functions along with practical examples.

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Andy Wingo: approaching cps soup

Good evening, hackers. Today’s missive is more of a massive, in the
sense that it’s another presentation transcript-alike; these things always
translate to many vertical pixels.In my defense, I hardly ever give a
presentation twice, so not only do I…

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New Features Added to Tuba, a GTK Mastodon App for Linux

A myriad of new features have been added to Tuba, the terrific open source Mastodon client for Linux I took a look at a few months ago. Avid fans of…

The post New Features Added to Tuba, a GTK Mastodon App for Linux is from OMG! Linux and reproduction without permission is, like, a nope.

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Overcoming Kubernetes Monitoring Challenges with Observability

Kubernetes adoption is rapidly increasing, surpassing cloud adoption, as companies recognize its ability to provide agility and flexibility in deploying critical applications. However, the additional layers of abstraction in Kubernetes pose challenges to observability. Understanding what’s running in each cluster, node, or pod is a top monitoring challenge since resources constantly move. This complexity creates […]

The post Overcoming Kubernetes Monitoring Challenges with Observability appeared first on Linux.com.

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FSF Blogs: Frans de Jonge tells us about KOReader in this AGPLv3 interview

This is the latest installment of our Licensing and Compliance Lab’s series on free software developers who choose GNU licenses for their works.

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The Sort Command: A Beginner’s Guide to Using Linux’s Best Organizer

by George Whittaker

In the world of Linux, the sort command is a powerful tool that enables you to efficiently sort and organize data in various ways. Whether you’re dealing with simpl…

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Want to Hide the Top Bar in Ubuntu? Here’s How

Want to hide the top bar in Ubuntu when a window is placed near it? With a nifty GNOME extension you can! It works like this: Simple, huh? Ubuntu makes it easy to auto-hide the Ubuntu dock (the icon bar that sits on the left-hand side of the screen by …

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How to Bring Elements to the Front Using CSS?

To bring the specific HTML element to the front using CSS, utilize the “position” property to absolute and “z-index” with the HTML element having greater value.

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Pandas Rolling Groupby

The “pandas” offers multiple useful functions/methods for performing complex calculations on data and the “rolling()” function is one of them.

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Python Reverse String

“String Slicing”, “reversed()” function, “for” loop, “join()” method, or “List Comprehension” can be used to reverse the string in Python.

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Python Math Trunc

The “math.trunc()” method of the “math” module in Python is used to truncate the fractional or decimal part of the given floating-point number.

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Python Pop Last Element from List

The “pop()” method, “slicing” method or the “del” statement is used in Python to remove/pop the last element or specific element from the given list.

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How to Troubleshoot Windows 11 Camera Problems

To troubleshoot the camera problem, check the USB port, update or reinstall Windows camera driver, check Privacy settings, or reset and troubleshoot the camera.

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A case study of QEMU and AddressSanitizer

An example of how to use AddressSanitize
Click to Read More at Oracle Linux Kernel DevelopmentThe post A case study of QEMU and AddressSanitizer appeared first on Linux.com.

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Nautilus Revamps Column Customization for GNOME 45

I’ll admit: I don’t use Nautilus‘ list view often, but when I do it’s usually because I need to see information only shown in a list view column. Nautilus shows…

The post Nautilus Revamps Column Customization for GNOME 45 is from OMG! Linux and reproduction without permission is, like, a nope.

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How to Remove Whitespaces in a String in C#

There are four ways to remove whitespaces in a string in C#: Using String.Replace(), String.Join(), Regular Expression, and LINQ method.

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