JPEG is an image file format that’s been around since the early 1990s, and it uses lossy compression. We compare and contrast Guetzli, MozJPEG, and Lepton. They are all open source tools that run from the command-line.
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Essential System Tools: hyperfine – command-line benchmarking tool
hyperfine is a command-line benchmarking tool. It’s designed to measure the full execution time of a program. This open source tool is written in Rust.
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23 Excellent Free Books to Learn Perl
The popularity of a book is influenced by personal feelings, tastes, and opinions. Programming books accord to this general rule. There is a wide range of Perl books. Here’s our recommended free Perl books.
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5 Excellent Free Books to Learn Pascal
Pascal is an imperative and procedural programming language designed in the late 1960s by Niklaus Wirth to teach structured programming using subprograms called procedures and functions.
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Linux Candy: ASCIIQuarium – embrace marine life from the terminal
ASCIIQuarium is a short Perl script that lets you embrace aquatic nature from your terminal. It’s an aquarium/sea animation in ASCII art.
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12 Excellent Free Books to Learn Go
Go is a compiled, statically typed programming language that makes it easy to build simple, reliable, and efficient software. This article selects the best open source books that will give readers a firm foundation in developing Go applications.
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5 Excellent Free Books to Learn Groovy
Apache Groovy is a powerful, optionally typed and dynamic language, with static-typing and static compilation capabilities, for the Java platform aimed at improving developer productivity thanks to a concise, familiar and easy to learn syntax.
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Linux Candy: WallGen – image generator tool
Let’s start our candy adventure with WallGen. It’s a small command-line utility that generates HQ poly wallpapers with only a few text arguments for inputs. Depending on these arguments, you can create shape-based patterns, randomly filled surfaces, and even image-based patterns.
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Violin – minimalistic desktop music player
Violin is billed as a fast, lightweight, and minimalistic desktop music player. It’s cross-platform software running on Linux, MacOS, and Windows. Here’s Luke view of this music player.
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3 Excellent Free Books to Learn Swift
Swift is a powerful and intuitive general-purpose programming language for the OS X, iOS, watchOS, and Linux operating systems. It’s developed by Apple Inc. Swift is intended to be more resilient to erroneous code (“safer”) than Objective-C, and more concise.
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7 Excellent Free Books to Learn X86 Assembly
Assembly language is also used primarily for direct hardware manipulation, access to specialized processor instructions, or to address critical performance issues. Assembly is excellent for speed optimization.
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IFStile – Iterated Function Systems – visualize substitution tilings
IFStile is software that generates fractals using the Iterated Function System. It’s freeware (not open source) software.
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Excellent Utilities: peco – interactive filtering tool
peco is a CLI utility that filters text interactively. The tool is written in the Go programming language. It’s free and open source software.
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9 Excellent Free Books to Learn PHP
PHP is an extremely popular, interpreted scripting language that is ideally suited for web development and as a general-purpose programming language.
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cli-visualizer – command line visualizer for MPD, ALSA and PulseAudio
cli-visualizer is a command line visualizer inspired by C.A.V.A, ncmpcpp, and rainbow. It’s free and open source software.
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8 Excellent Free Books to Learn SQL
Structured Query Language (SQL) is a specialized programming language originally developed by IBM in the early 1970s. The language is designed specifically for accessing and manipulating data held in a relational database management system (RDBMS).
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18 Excellent Free Books to Learn JavaScript
JavaScript is possibly one of the easiest language to get up and running with. But to truly master the language requires a firm foundation of its intricacies. This compilation of free books ticks all the boxes.
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Excellent Utilities: LanguageTool – style and grammar checker for 30+ languages
LanguageTool is a free and open source proofreading tool for English, German, Spanish, Russian, and more than 25 other languages.
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5 Excellent Free Books to Learn C#
C# (pronounced “See Sharp”) is a multi-purpose computer programming language suitable for a wide variety of development needs. Here’s my recommended books to learn C#.
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14 Excellent Free Books to Learn C++
C++ was designed by Bjarne Stroustrup with its first release in 1983. It is a statically typed, free-form, multi-paradigm, portable, compiled, general-purpose programming language. It is regarded as an intermediate-level language, as it has a combination of both high-level and low-level language features. C++ was designed for systems and applications programming, extending the C programming language. Hence the name C++, the increment operator is written as ++.
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