With this practical guide, you’ll learn the major performance issues confronting Android app developers, and the tools you need to diagnose problems early. Customers are finally realizing that apps have a major role in the performance of their Android devices.
The Julia programming language is becoming increasingly popular, with over 3 million downloads, as of January 2019. The programming language is designed to have it all—the speed of C, the dynamism of Ruby, true macros like Lisp, mathematically powerful like MATLAB, the usability of Python, easy for statistical use like R, and can perform string processing like Perl.
The general-purpose language is designed for speed, efficiency, and high performance. It is dynamically and optionally-typed, has a rich language of descriptive datatypes, is open source with all source code available for public view on GitHub, and uses high-level syntax, making it ideal for programmers from any background or experience level.
Additionally, Julia can easily express many object-oriented and functional programming patterns and its standard library provides asynchronous I/O, process control, logging profiling, and a package manager, among other things.
SEE: How to build a successful career as a DevOps engineer (free PDF) (TechRepublic)
If you're interested in learning more about Julia, the following list of resources can help you get started.
Note: This list is also available as a free PDF.
Books
Data Science with Julia: This book is useful as an introduction to data science using Julia and for data scientists seeking to expand their skill set. It discusses core concepts, how to optimize the language for performance, and important topics in data science like supervised and unsupervised learning. It's intended for graduate students and practicing data scientists who want to learn Julia. Though no previous programming experience is required, this book provides a smooth transition for those who are already familiar with R.
Learning Julia: Build high-performance applications for scientific computing: A comprehensive overview of Julia, from syntax basics to writing effective functions, reducing code redundancies, learning built-in object types, and much more. Utilizing a step-by-step approach, the authors explain concepts and illustrate how to use the programming language through examples.
Julia 1.0 Programming - Second Edition: Quick start to your Data Science projects: This book provides a 'crash course' into Julia and is recommended for statisticians and data scientists. It begins with an introduction to the basics and then delves into how to set up the Julia environment for high productivity, visualize data with plotting packages, explore built-in macros for testing and debugging, integrate Julia with other programming languages (e.g., C, Python, and MATLAB), and more.
Julia Programming Projects: Learn Julia 1.x by building apps for data analysis, visualization, machine learning, and the web: This book offers an introduction to Julia before covering more in-depth concepts like: How to analyze and manipulate datasets, build a recommender system using supervised machine learning, perform time series data analysis, visualization, and forecasting, perform exploratory data analysis, and more. It's ideal for data scientists, statisticians, business analysts, developers, and anyone who knows programming basics.
Julia 1.0 Programming Cookbook: Over 100 numerical and distributed computing recipes for your daily data science workflow: Each 'recipe' in the book focuses on a specific problem and provides solutions with explanations. It's recommended for developers who already have a basic knowledge of Julia and would like to enhance their programming skills as well as discover quick solutions to common programming problems.
Hands-On Computer Vision with Julia: Build complex applications with advanced Julia packages for image processing, neural networks, and Artificial Intelligence: This is a thorough guide for developers who have a working knowledge of Julia and want to learn how to perform image processing and explore the field of computer vision.
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Learn and Master Julia Programming Language from Scratch: This introductory course from Udemy offers a comprehensive and hands-on approach to learning the fundamentals of Julia. No prior experience with programming/Julia is required.
Hello Julia: Learn the New Julia Programming Language: This beginner course from Udemy starts with the basics of Julia (variables, strings, logical operators, arrays, etc.) before delving into more complex concepts like: Meta programming, directories, error handling, and so on. By the end of the course, users should be able to understand the fundamentals, write in Julia at an intermediate level, and perform File I/O operations.
Learn Julia for Android: This app download, available from sister site Download.com, explains how to get started with Julia and offers a general overview of the programming language. It also includes a quick reference guide, simplified documentation, cheatsheets, news feeds, as well as other additional resources.
Getting Started With Julia: Offered by Packt, this video tutorial teaches the fundamentals of Julia and is intended for developers with basic programming knowledge. The video uses a hands-on approach, provides a tour of the Julia ecosystem, and includes examples for users to try.
Julia Solutions: Taught by Jalem Raj Rohit, author of the Julia Cookbook, this video tutorial from Packt uses a recipe-based approach to explain concepts such as: Identifying and classifying data science problems, data modeling, analysis, and manipulation, multidimensional arrays, and more.
Julia for Data Scientists First Look: This 33-minute intermediate course from LinkedIn Learning provides an overview of Julia's functionality, power, and limitations. Formatting data with different data types, performing math and vectorized operations, creating expressions, and running macros are also covered.
Videos
Why Should I Learn Julia Programming: This six-minute video by CodeBasics goes over some of the reasons programmers should try Julia. There is an introduction to the language, fundamental principles behind its design, and an explanation of how Julia compares to Python.
Intro to Julia: From the official Julialang.org site, this tutorial is a basic introduction to the programming language. The almost two-hour video goes over the features of Julia, including the package ecosystem, linear algebra, and multiple dispatch. No prior knowledge of Julia is required.
Julia Tutorial: This tutorial by Derek Banas condenses a 300-page book about Julia into a one-hour video. Banas covers variables, data types, looping, anonymous functions, enums, abstract types, and more. A transcript of the video and all of the code used are also available.
Intro to Julia for Data Science: In this two-hour video tutorial, Huda Nassar, PhD candidate at Purdue University and author of 'MatrixNetworks.jl,' discusses how to work with data in Julia. Also discussed are data processing, algorithms, and visualizations.
Intro to dynamical systems in Julia: This two-hour video with George Datseris from the Max Planck Institute for Dynamics and Self-Organization provides an introduction to DynamicalSystems.jl, a Julia package for modeling chaos and nonlinear dynamics.
Intro to solving differential equations in Julia: Mathematician Chris Rackauckas discusses how to use the DifferentialEquations.jl package in Julia. This two-hour video is intended for users who are new to the programming language.
Intro to the Queryverse, a Julia data science stack: Professor David Anthoff of UC Berkeley goes over Queryverse.jl, a Julia meta package with data science tools. Also discussed in the video are Query.jl, Tabular File IO, and DataVoyager.jl.
Showcasing Julia on the Web: In this 15-minute video from JuliaCon 2018, Alex Mellnik explains how developers can create an interactive, web-based demo so users can interact with newly created packages built with Julia. Additional videos from the conference are also available.
Websites
Julialang.org: The official Julia website offers useful information and tools, including manuals and style guides, libraries, websites, and other helpful resources.
Fast Track to Julia 1.0: This 'cheat sheet' is a quick reference guide for Julia. It has sections on Julia basics, collection functions, operators, standard libraries, exceptions, modules, arrays, expressions, macros, and much more. It also includes links to additional resources and videos.
GitHub: Julia is an open source programming language—all of its source code is available via GitHub. Users can find tutorials, indexed tables, a parallel analytical database, Intel MKL linear algebra backend, and more on the site.
Julia.jl: A curated index of Julia resources and packages on GitHub.
Julia Observer: Users can browse Julia packages.
Learn more about Julia
For a more comprehensive list of resources, including video and text tutorials, books, websites, university courses, and more, check out the learning section on the official Julia site.
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Best PDF reader for Android
Read on for our detailed analysis of each app
While it's possible to read PDF files already using Android phones and tablets, for most people that's about all they can do with them. If you want to do anything more with PDFs then you'll almost certainly need to install additional software to your Android device.
Luckily, there are a lot of different PDF apps available, which allow all sorts of additional functions and features to be opened up. This includes the ability to edit PDF files, which can be invaluable for users. Other features might include the ability to annotate PDF files as well as print them out, or even insert forms and similar for really user-interactive PDF files.
While Adobe Acrobat might be the first app people might think of, not least because it was Adobe who originally developed the PDF format, there are also other PDF apps well worth looking at.
So to help you make a decision, here's a round up of the best in Android PDF apps that we could find.
1. Xodo PDF Reader
Go well beyond the basics with this PDF powerhouse
Edit and annotate documents
Browse the Google Store for PDF readers and you'll find what appears to be a huge choice of apps, but all isn't quite as it seems. Many are very limited, with only the most basic functionality.
Xodo PDF Reader stands out from the underpowered masses for the range and depth of its feature set. Despite its name, the app isn't just about PDF reading: you can also create new PDFs via your camera, from images or Office documents. You can fill in, save and send PDF forms, or highlight text and add annotations of your own. It's even possible to collaborate on your document with others via Xodo's connect service (no registration required).
Supporting features include smart integration with Dropbox, Google Drive and OneDrive. That's not just about providing an easy way to import documents from the cloud: Xodo can also automatically sync your edits with the source file, ensuring it always has the very latest version.
There's another neat extra in Xodo's File Manager. Thumbnail previews and a Recent Files list give you speedy access to the documents you need, and you're able to freely rename, copy, move or delete any documents.
The core PDF viewing engine is what really matters, though, and Xodo's creation works very well. High zoom factors, page cropping and a full-screen mode help you focus on the content, Night Mode makes for comfortable reading in darker environments and versatile search tools and table of contents support enables drilling down to key areas of the file.
2. Foxit PDF Reader & Converter
Read, annotate and share your PDFs with ease
Fill out PDF forms and import/export data
Foxit PDF Reader & Converter is a popular PDF app with more than a million installs recorded on Google Play, and a stellar rating of 4.5.
It doesn't take long to understand Foxit's success. PDFs open quickly, you can control orientation with ease, text reflows to fit and you're able to tweak brightness and change the background to make for comfortable reading in all situations.
Simple annotation tools are on hand to assist in highlighting text, adding notes or drawing on the page, and Foxit's Connected technology enables sharing comments and changes with others in real time.
Form handling is a major plus, with options to fill out and save forms, import and export their data and submit forms via HTTP, FTP and email.
While Foxit's core functionality is free, a number of more advanced features are only available if you subscribe (converting PDFs, combining files, password protection, digital certificates, OneDrive Business support). That's no surprise, but if you're on a budget, keep in mind that some PC-based PDF editors can carry out many of these tasks for free.
3. Adobe Acrobat ReaderHigh Performance Android Apps Pdf Download Torrent 2017
No hassles or problems - it just works
Reliable form filling
Adobe's Acrobat Reader isn't the most powerful of PDF viewing apps, but there's more than enough functionality for most situations, and excellent document compatibility means you should be able to view even the most complex of PDFs as it was meant to be seen.
Open a PDF from the web or share a document from another app and Acrobat Reader quickly displays it in a simple viewer. You're able to scroll around the document, zoom in and out or use simple searches, and everything works more or less exactly as you would expect.
Advanced features include form filling and signing, and you're able to annotate files, highlight text, plus you can add and manage PDF comments.
The app is designed to work with many other Adobe services and products. Some of these are free, including 2GB of cloud storage when you sign up for an Adobe account, and the OCR-powered Adobe Scan app which enables using your device as a PDF scanner, turning receipts, business cards, whiteboards and anything else into searchable, editable PDFs.
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The commercial extensions aren't always such good value. Converting files to and from PDF, reordering and rotating pages, are functions that other tools often do for free. Still, you don't have to sign up, and the free app delivers all the viewing functionality that many users will need.
4. Gaaiho PDF Reader
A likeable PDF viewer from an experienced developer
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Share files with any WebDAV servers
Gaaiho PDF Reader doesn't get nearly as much attention as Adobe, Foxit and the other big-name competition, but with Gaaiho's 20+ years' experience in developing PDF software, it's certainly worth a closer look.
The main viewing engine opens documents at speed and provides a comfortable and flexible environment for reading, adding and managing comments, or checking out any attachments.
Speedy options to add and edit bookmarks ensure that you can mark important areas of any document and speedily return to them later.
Basic annotation tools include the ability to highlight text or draw lines, arrows and assorted simple shapes.
Gaaiho PDF Reader 'only' offers direct support for accessing cloud files via Dropbox, but the ability to add other WebDAV servers gives it a level of flexibility that you won't often find elsewhere.
If there's a problem here it's that Gaaiho doesn't seem nearly as interested in developing its Android app as its other software. As we write, for instance, the reader hasn't been updated for more than 10 months, and even that was only a minor bugfix release. It's still a good app, but we'd like to see a busier release schedule to give us more confidence for the future.
5. ezPDF Reader
A low-cost, fast and friendly PDF reader from Korea
Can open ePubs
EzPDF Reader is a popular commercial PDF reader (£3.49 or $4.89) from Korean developer Unidocs.
The company sells ezPDF in part on being a 'multimedia PDF viewer', able to play audio, animated GIFs, zipped PNGs and video files embedded in the document (assuming they're compatible with your device.) A well-designed interface makes this a very natural process, especially on tablets, and a demo video on the company website shows you how it works.
The viewer has some unusual touches, starting with a double-page view and an animated page flipping effect. That's not going to win over many business users, but it could be a nice touch for kids reading stories on their tablet.
A strong set of more grown-up extras starts with support for opening ePub documents. EzPDF's form handling features include support for managing form calculations, as well as filling out the form, signing and submitting it via email.
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There are a vast number of text selection features. Choose a word, phrase or paragraph and you can copy it to the clipboard, search for it within the PDF, or run a general web search via Google, send the text to other apps, read it aloud, highlight the text, underline it, even check its spelling via integration with the free ColorDict app.
Of course there are all the standard PDF reading features, including thumbnail navigation, bookmark support, multiple zoom options, cropping, rotation and more.
Intel ich9m-e/m sata ahci controller driver text mode windows 10. What you won't get here is much in the way of fixes or new features - ezPDF Reader hasn't been updated in 15 months - but it's still a likeable app with some unusual and interesting touches.
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