By Eduardo Diaz,Shantanu Kumar,Akhil Wali
Explore the realm of lightning speedy Clojure apps with asynchronous channels, good judgment, reactive programming, and more
About This Book
- Discover Clojure's positive aspects and benefits and use them on your present projects
- Explore lesser-known and extra complex good points, constructs, and methodologies reminiscent of asynchronous channels, actors, common sense programming, and reactive programming
- Measure and display screen functionality, and comprehend optimization techniques
Who This e-book Is For
If you are looking to profit extra approximately its center libraries and delve into the Clojure language intimately, then this e-book is perfect for you. previous wisdom of the Clojure language is required.
What you are going to Learn
- Understand instruments for the Clojure global and the way they relate to Java instruments and criteria (such as Maven)
- Write basic multicore courses utilizing Clojure's center thoughts, equivalent to atoms, brokers, and refs
- Get to grips with Clojure's concurrency and state-management primitives in depth
- Analyze latency utilizing the Criterium library
- Avoid mirrored image and boxing with kind hints
- Maximize the effect of parallelization, useful composition, and approach transformation via composing reducers and transducers
- Modify and upload positive aspects to the Clojure language utilizing macros
- Test your code with unit assessments, specifications, and kind exams to write down testable code
- Troubleshoot and magnificence your Clojure code to make it extra maintainable
Clojure is a general-purpose language from the Lisp family members with an emphasis on practical programming. It has a few attention-grabbing techniques and lines equivalent to immutability, slow typing, thread-safe concurrency primitives, and macro-based metaprogramming, which makes it a very good option to create glossy, performant, and scalable applications.
This studying course goals at unleashing the real power of the Clojure language so that you can use it on your tasks. It starts with fitting and establishing the Clojure atmosphere earlier than relocating directly to discover the language extensive. you will get accustomed to its a number of beneficial properties comparable to useful programming, concurrency, reducers, transducers, core.async and core.logic, etc with a very good point of detail.
Moving on, you will additionally tips on how to increase functionality utilizing Java interoperability and JVM-specific gains from Clojure; you will even grasp language good points corresponding to asynchronous channels, actors, common sense programming, reactive programming, metaprogramming, and so on.
This studying direction combines the very best that Packt has to supply in a single entire, curated package deal. It contains content material from the next Packt products:
- Clojure for Java builders by way of Eduardo Diaz
- Clojure excessive functionality Programming, moment variation via Shantanu Kumar
- Mastering Clojure through Akhil Wali
Style and approach
This is an easy-to-follow, step by step advisor to begin writing Clojure courses, using all of its different positive aspects and advantages.
By Cay S. Horstmann
This is the book of the broadcast e-book and will no longer comprise any media, site entry codes, or print supplementations which can come packaged with the sure book.
Interest within the Scala programming language maintains to develop for lots of purposes. Scala embraces the sensible programming kind with out forsaking the object-oriented paradigm, and it enables you to write courses extra concisely than in Java. simply because Scala runs at the JVM, it may well entry any Java library and is interoperable with general Java frameworks. Scala additionally makes it more straightforward to leverage the complete strength of concurrency.
Written for skilled Java, C++, or C# programmers who're new to Scala or useful programming, Scala for the Impatient, moment Edition, introduces the main Scala recommendations and methods you wish with a purpose to be effective fast. it's the excellent advent to the language, relatively for impatient readers who are looking to study the basics of Scala to allow them to commence coding speedy. It doesn’t try and exhaustively checklist all of the positive factors of the language or make you endure via lengthy and contrived examples. in its place, conscientiously crafted examples and hands-on actions advisor you thru well-defined phases of competency, from simple to professional.
This revised version has been completely up-to-date for Scala 2.12 and displays present Scala utilization. It comprises additional insurance of modern Scala gains, together with string interpolation, dynamic invocation, implicit periods, and futures. Scala is a giant language, yet you should use it successfully with no understanding all of its information in detail. This identify presents exactly the info you want to start in compact, easy-to-understand chunks.
- Get began quick with Scala’s interpreter, syntax, instruments, and distinctive idioms
- Master middle language positive aspects: features, arrays, maps, tuples, programs, imports, exception dealing with, and extra
- Become conversant in object-oriented programming in Scala: sessions, inheritance, and qualities
- Use Scala for real-world programming projects: operating with records, general expressions, and XML
- Work with higher-order features and the strong Scala collections library
- Leverage Scala’s strong trend matching and case periods
- Create concurrent courses with Scala futures
- Implement domain-specific languages
- Understand the Scala variety approach
- Apply complicated “power tools,” comparable to annotations, implicits, and sort classes
By Scott Oaks
Coding and checking out are usually thought of separate components of workmanship. during this complete advisor, writer and Java professional Scott Oaks takes the method that any one who works with Java might be both adept at figuring out how code behaves within the JVM, in addition to the tunings prone to support its performance.
You’ll achieve in-depth wisdom of Java program functionality, utilizing the Java digital computer (JVM) and the Java platform, together with the language and API. builders and function engineers alike will study a number of positive aspects, instruments, and procedures for bettering the way in which Java 7 and eight functions perform.
- Apply 4 ideas for acquiring the easiest effects from functionality testing
- Use JDK instruments to assemble information on how a Java program is performing
- Understand the benefits and drawbacks of utilizing a JIT compiler
- Tune JVM rubbish creditors to impact courses as low as possible
- Use strategies to regulate heap reminiscence and JVM local memory
- Maximize Java threading and synchronization functionality features
- Tackle functionality matters in Java EE and Java SE APIs
- Improve Java-driven database software performance
By Jurjen Broeke,Jose Maria Mateos Perez,Javier Pascau
Extract and examine information from advanced photos with ImageJ, the world's best snapshot processing tool
About This Book
- Design automatic image-processing strategies and accelerate image-processing projects with ImageJ
- Create caliber and intuitive interfaces for picture processing through constructing a uncomplicated framework for ImageJ plugins.
- Tackle even the main subtle datasets and complicated images
Who This booklet Is For
The e-book has been created for engineers, scientists, and builders wanting to take on photo processing with one of many prime instruments to be had. No past wisdom of ImageJ is required. Familiarity with Java programming may be required for readers to code their very own exercises utilizing ImageJ.
What you'll Learn
- Install and arrange ImageJ for photo processing.
- Process pictures utilizing ImageJ's integrated tools
- Create macros to accomplish repetitive processing tasks
- Set up and use an built-in improvement atmosphere for ImageJ plugins
- Create plugins with a ordinary interface for processing
- Use demonstrated ImageJ plugins for processing and quantification
- Generate an easy interface in accordance with a true global instance and create different interfaces for different projects
- Speed up interface improvement by way of environment a number of parameters interactively
Advances in photo processing were very important for the clinical and technological groups, making it attainable to investigate photos in better element than ever ahead of. yet as pictures develop into higher and extra complicated, complicated processing innovations are required. ImageJ is equipped for the trendy demanding situations of photo processing – it is one of many key instruments in its improvement, letting you automate easy initiatives so that you can specialise in subtle, extensive analysis.
This e-book demonstrates find out how to placed ImageJ into perform. It outlines its key positive aspects and demonstrates the way to create your individual photograph processing functions utilizing macros and ImageJ plugins. as soon as you have to grips with the fundamentals of ImageJ, you are going to then become aware of the right way to construct a few diversified snapshot processing ideas. From easy projects to complicated and automatic photo processing, you are going to achieve self assurance with this leading edge and strong software – notwithstanding and no matter what you're utilizing it for.
Style and approach
A step by step consultant to snapshot processing and constructing macros and plugins in ImageJ. The publication will development from utilizing the integrated instruments to macros and eventually plugins for picture processing.
By B Mohamed Ibrahim
By Mick Knutson
By David F. Ogren,Martin Gee
during this first-ever consultant to iAS, iPlanet insiders aid you grasp the fine details of this major J2EE software server, construct Java firm purposes that harness its complete energy, and deal with program deployments for height functionality. you can find out easy methods to customise an iAS improvement surroundings, optimize software layout for iAS structure, and take on management initiatives corresponding to clustering and registry tuneups. all through, the authors clarify quirks and undocumented good points, reveal time-saving tips, and pinpoint top practices for a number of mission-critical iAS issues.
you are going to find out how to:
* set up iAS and manage a improvement environment
* reap the benefits of the way in which iAS handles servlets, JSPs, and EJBs
* package deal purposes to utilize iAS
* combine strong point for Java and different IDEs
* deal with software deployment, load balancing, and failover
* keep time and bother with iAS registry secrets and techniques and logging tricks
* Harness the ability of cleaning soap and internet services
* utilize RMI/IIOP
* enforce most sensible practices for every little thing from computerized builds to excessive availability architectures
The CD-ROM features:
* Code examples from the book
* distinctiveness for Java, unencumber 3.0, group Edition
* Java 2 software program improvement equipment, general version model 1.4 for Windows
* ICSynergy iPlanet ANT Extensions
By Debasish Ray Chawdhuri
- This publication offers whole assurance of reactive and sensible facts structures
- Based at the most modern model of Java nine, this publication illustrates the effect of recent beneficial properties on facts structures
- Gain publicity to big strategies similar to Big-O Notation and Dynamic Programming
Java nine info buildings and Algorithms covers classical, useful, and reactive facts constructions, supplying you with the facility to appreciate computational complexity, remedy difficulties, and write effective code. This e-book is predicated at the 0 computer virus jump milestone of Java 9.
We begin with the fundamentals of algorithms and knowledge buildings, assisting you already know the basics and degree complexity. From right here, we introduce you to options similar to arrays, associated lists, in addition to summary information varieties corresponding to stacks and queues. subsequent, we will take you thru the fundamentals of practical programming whereas ensuring you get used to pondering recursively.
We supply lots of examples alongside the right way to assist you comprehend every one notion. you'll get the additionally get a transparent photograph of reactive programming, binary searches, sorting, seek bushes, undirected graphs, and an entire lot more!
What you'll learn
- Understand the basics of algorithms, information constructions, and dimension of complexity
- Find out what common function information constructions are, together with arrays, associated lists, double ended associated lists, and round lists
- Get a take hold of at the fundamentals of summary facts types—stack, queue, and double ended queue
- See find out how to use recursive features and immutability whereas figuring out and by way of recursion
- Handle reactive programming and its comparable facts structures
- Use binary seek, sorting, and effective sorting—quicksort and merge sort
- Work with the real idea of timber and checklist all nodes of the tree, traversal of tree, seek bushes, and balanced seek trees
- Apply complex normal objective facts buildings, precedence queue-based sorting, and random entry immutable associated lists
- Gain a greater realizing of the concept that of graphs, directed and undirected graphs, undirected bushes, and lots more and plenty more
About the Author
Debasish Ray Chawdhuri is a longtime Java developer and has been within the for the final eight years. He has constructed a number of structures, correct from CRUD purposes to programming languages and massive information processing structures. He had supplied the 1st implementation of extensible company reporting language specification, and a product round it, for the verification of corporation monetary info for the govt of India whereas he used to be hired at Tata Consultancy companies Ltd. In Talentica software program Pvt. Ltd., he applied a domain-specific programming language to simply enforce advanced information aggregation computation that might collect to Java bytecode. at the moment, he's prime a staff constructing a brand new high-performance dependent information garage framework to be processed through Spark. The framework is termed Hungry Hippos and should be open sourced very quickly. He additionally blogs at http://www.geekyarticles.com/ approximately Java and different computing device science-related topics.
He has labored for Tata Consultancy prone Ltd., Oracle India Pvt. Ltd., and Talentica software program Pvt. Ltd.
Table of Contents
- Why hassle? – Basic
- Cogs and Pulleys – construction Blocks
- Protocols – summary info Types
- Detour – useful Programming
- Efficient looking – Binary seek and Sorting
- Efficient Sorting – quicksort and mergesort
- Concepts of Tree
- More approximately seek – seek timber and Hash Tables
- Advanced common objective information Structures
- Concepts of Graph
- Reactive Programming
By Robert Gibson
By Ludovic Dewailly
A hands-on consultant to construction an enterprise-grade, scalable RESTful internet provider utilizing the Spring Framework
About This Book
- Follow top practices and discover innovations comparable to clustering and caching to accomplish a scalable internet service
- Leverage the Spring Framework to speedy enforce RESTful endpoints
- Learn to enforce a shopper library for a RESTful internet provider utilizing the Spring Framework
Who This e-book Is For
This ebook is meant should you are looking to discover ways to construct RESTful internet prone with the Spring Framework. To make top use of the code samples incorporated within the e-book, you'll have a easy wisdom of the Java language. earlier adventure with the Spring Framework may additionally assist you wake up and working quickly.
What you are going to Learn
- Deep dive into the rules at the back of REST
- Expose CRUD operations via RESTful endpoints with the Spring Framework
- Devise reaction codecs and mistake dealing with concepts, supplying a constant and versatile constitution to simplify integration for provider consumers
- Follow the simplest methods for facing a service's evolution whereas holding backward compatibility
- Understand options to safe internet services
- Comply with the simplest how you can try RESTful internet providers, together with assistance for load testing
- Optimise and scale net prone utilizing suggestions equivalent to caching and clustering
REST is an architectural sort that tackles the demanding situations of establishing scalable internet prone. In modern attached international, APIs have taken a principal position on the net. APIs give you the cloth by which platforms have interaction, and leisure has develop into synonymous with APIs.
The intensity, breadth, and simplicity of use of Spring makes it probably the most appealing frameworks within the Java surroundings. Marrying the 2 applied sciences is accordingly a really normal choice.
This ebook takes you thru the layout of RESTful net companies and leverages the Spring Framework to enforce those providers. ranging from the fundamentals of the philosophy in the back of relaxation, you are going to plow through the stairs of designing and enforcing an enterprise-grade RESTful net provider. Taking a realistic procedure, each one bankruptcy presents code samples that you should observe for your personal circumstances.
This e-book is going past using Spring and explores methods to take on resilience, protection, and scalability matters. you are going to research suggestions to accommodate defense in Spring and detect the right way to enforce unit and integration attempt strategies.
Finally, the e-book ends through jogging you thru construction a Java purchaser in your RESTful net carrier, besides a few scaling thoughts for it.
Style and approach
This e-book is a step by step, hands-on advisor to designing and construction RESTful internet providers. The booklet follows the usual cycle of constructing those providers and comprises a number of code samples to aid you.