| by Arround The Web

R – with() and within() Functions

A guide using the with() and within() functions to perform operations on the columns and return the result in a vector and a new column within the data frame.

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Parabola GNU/Linux-libre: [nonsystemd] NetworkManager, dbus and display managers require manual intervention

We have recently began a repackaging of [nonsystemd] packages (see #3290). The displaymanager-openrc package has been removed and specific init scripts have been added for their respective display manager (e.g. sddm-openrc for sddm, gdm-openrc for gd…

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Redis Latency Graph

Redis latency monitoring framework identifies latency spikes related to real-time applications and generates an ASCII-styled latency graph with “LATENCY GRAPH”.

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Redis MRANGE

Redis TS.MRANGE command is used to query data across multiple time series. It offers features such as aggregation, filtering, and grouping.

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CSS Tilde

This tutorial is for learning the tilde selector in CSS. We have discussed what is tilde selector and how to use this tilde selector in CSS and how it works.

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Elif Python

This is on the ‘elif’ python. The ‘elif’ expression helps verify several statements for TRUE and run a set of instructions immediately while one of them does.

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Best Free and Open Source Alternatives to Apple Notes

Notes is a notetaking app designed to jot down quick thoughts or to save longer notes. Learn about open source alternatives to Apple Notes here.
The post Best Free and Open Source Alternatives to Apple Notes appeared first on Linux Today.

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Remove Columns in R

Dropping columns from a data set is simply a method of removing unnecessary columns from the data frame. This article explains how to remove columns in R.

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String Contains in R

The str_contains() method is used to see if a string of a Sequence or Index contains a pattern or regex. This article explains the string contains method in R.

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Upgrade Ubuntu From Command Line

There are two ways to upgrade Ubuntu via the command line. You can choose to install the latest version, which deletes all your data and files.

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Uppercase in R

This article discusses the upper case in R language. It includes a method for converting the lower case of a string, vector, or data frame to the upper case.

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AWS Is Quietly Getting Better at Open Source

AWS isn’t the biggest corporate contributor to open source, but it’s increasingly involved in the projects upon which its customers depend. Learn more here.
The post AWS Is Quietly Getting Better at Open Source appeared first on Linux Today.

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Use of PERL glob() Function

This article explains the PERL glob() function is mainly used to retrieve all content or the particular content of a directory.

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Use of PERL join() Function

The join() is a built-in function of PERL used to create a string value by combining multiple string values or the array values with a specific string value.

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Use of PERL substr() Function

PERL substr() function cut the particular portion of the main string. It is also used for replacing the portion of the main string with another string.

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Curtail is an Awesome Image Compressor Tool for Linux

Curtail is an image compressor for Linux desktops. Built in GTK, it optimises JEPG and PNG images to reduce image file size without reducing image quality.
This post, Curtail is an Awesome Image Compressor Tool for Linux is from OMG! Ubuntu!. Do not re…

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How to use systemd in Debian

ystemd is a well-known Linux system and service manager. Since Debian 8, systemd has been the default init system. It is compatible with both SysV and LSB init scripts. Therefore it can take the place of sysvinit in some situations. 

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How to Install KDE Plasma Desktop on Debian

KDE Plasma is the graphical workspace environment created by KDE for Linux systems. Learn how to install KDE Plasma desktop on Debian here.
The post How to Install KDE Plasma Desktop on Debian appeared first on Linux Today.

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CSS Top

This guide has explained how to use CSS’s “top” property. We have gone through what top property is, and how to set it in CSS.

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CSS Text Opacity

We have created this guide for you in which we change the opacity of the text and learn how to modify the opacity of the text in CSS.

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