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Using an Agile approach to scope software projects
This tutorial explores the virtues of adopting an Agile methodology to govern the project scoping process so that it fully determines project requirements, contends with the pressures of change, and delivers a fit-for-purpose software product on time and on budget.
Articles 22 Jun 2017
Manage and authenticate users easily in IBM Bluemix applications with PHP and the Passport service, Part 1: Add user authentication and management to your application without starting from scratch
This two-part tutorial shows you how to quickly add user authentication to your IBM Bluemix application using an external service without writing any custom code. It explains how to add a user dashboard to your application with support for adding, activating, and deactivating users. It also discusses how to implement a login workflow with password-based authentication to protect access to application resources. It uses the Slim PHP micro-framework, together with the Bluemix Passport identity and access management service.
Articles 22 Jun 2017
Continuous monitoring of server resources utilization using custom scripts
Monitoring IT infrastructure is essential to ensure its stability. Choosing an efficient, scalable, customizable, and light-weight solution for this has always been a challenge with changing requirements. Custom scripts can be used to achieve this smartly unlike the agent-based monitoring method in which all data defaulted by the monitoring tool used will be collected. This article describes the custom script method for monitoring system resources. In this method, the data collector(s) scripts running on data collector node will poll the target systems for data and so can decide on what data to be pulled.
Articles 21 Jun 2017
Harness the power of IBM Watson Language Translator on IBM i
You can add powerful abilities to your IBM i applications by using IBM Bluemix Watson Services. The article illustrates how to create a Watson Language Translator service and obtain the credentials for accessing that service. It then provides several SQL statements that are used to access the translator service from IBM i. The article also describes how a Java program can be used to access the Watson Language Translator service.
Articles 21 Jun 2017
Build a real-time chat app with Node-RED in 5 minutes
Building real-time web applications is now easier with IBM Bluemix and Node-RED. In this article, we show how you can build a real-time chat application in a few minutes by simply dragging and dropping components and wiring them together.
Also available in: Chinese   Russian   Japanese   Spanish  
Articles 20 Jun 2017
Open Source POWER Availability Tool
Search for Linux open source packages that run on the IBM POWER architecture.
Also available in: Chinese   Japanese  
Articles 20 Jun 2017
IBM cloud technologies: How they all fit together
Explore the various types of cloud computing systems available and the guidelines that can help you with real-world application deployments on top of a cloud infrastructure.
Also available in: Chinese   Russian   Japanese  
Articles 19 Jun 2017
Building open source RPM packages on IBM AIX
RPM is a very popular packaging method for installing and managing software. Different Linux distributions provide open source software in RPM format. Building and managing RPM packages on IBM AIX is similar to Linux distributions but with some changes. This article describes how to build an open source software RPM package on AIX.
Articles 15 Jun 2017
Run your business decisions in Kubernetes with IBM Bluemix
Learn how to deploy IBM Operational Decision Manager (ODM) in a Kubernetes cluster on IBM Bluemix. Start with Docker images and then reach a running, clustered IBM ODM platform with Kubernetes.
Articles 14 Jun 2017
Speaking out loud
Natural language processing and other artificial intelligence-related technologies are all around us. Discover how the science began and where it might go in the future.
Articles 13 Jun 2017
Getting to know NodeMCU and its DEVKIT board
This article introduces the open source IoT development board called NodeMCU. One of its most unique features is that it has built-in support for wifi connectivity, and hence makes IoT application development much easier. While Arduino boards might provide greater flexibility, NodeMCU boards provide a more consistent and accessible experience for IoT developers.
Tutorial 12 Jun 2017
Build a user-facing OpenWhisk application with Bluemix and Node.js
Learn how to use OpenWhisk to write user-facing applications. This tutorial covers the basics of OpenWhisk through a sample user-facing application, which uses a stub index.html to call OpenWhisk for the actual content.
Also available in: Chinese   Japanese  
Articles 12 Jun 2017
Build a PHP app that uses GPS data from an IoT device
Are you a PHP developer who is interested in building IoT applications? It can be difficult to get started. This tutorial will help you get started by taking you step-by-step through the process of building a PHP-powered, IBM Bluemix IoT application that subscribes to location data that connected devices send to the IBM Watson IoT Platform. The app then converts that data into map images by using the Google Maps API.
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Articles 12 Jun 2017
Compare the Informix Version 12 editions
Get an introduction to the various editions of IBM Informix version 12, and compare features, benefits, and licensing considerations in a side-by-side table. Regardless of which edition you choose, Informix brings you legendary ease of use, reliability, stability, and access to extensibility features.
Product overview 10 Jun 2017
Identifying and preventing threats to your IoT devices
Internet of Things (IoT) devices are often placed in insecure locations and communicate through insecure networks. In this article, you learn what the main threats to IoT devices are and some ideas about how to deal with them.
Articles 08 Jun 2017
Exporting a Live Text Widget from IBM Notes
If you want to use your IBM Notes Live Text widgets in IBM Verse, you can migrate them with the Notes Live Text Widget Export Plug-in. To use the plug-in, first install it, which adds it to your My Widgets panel. Then use the plug-in to export each Live Text widget from Notes to a JSON file that can be imported into Verse as an extension.
Articles 07 Jun 2017
A simplified approach to hardware upgrade using IBM Geographically Dispersed Resiliency for Power Systems
This article explains the advantages of using IBM Geographically Dispersed Resiliency for Power Systems for planned hardware upgrades followed by a detailed walk-through of the steps for performing the upgrade.
Articles 06 Jun 2017
Streamlining the development of your IoT applications by using an IoT platform
This article explores the key capabilities of IoT platforms and considers the top general-purpose end-to-end IoT platforms. You'll learn why you should adopt an IoT platform to rapidly develop your IoT solutions and quickly get the most value from your IoT data.
Articles 05 Jun 2017
Implementing blockchain for cognitive IoT applications, Part 2: Use vehicle sensor data to execute smart transactions in Blockchain
Start implementing blockchain for cognitive IoT applications. Part 1 of this two-part series discussed the use of blockchain in IoT solutions and explored how different industries are leveraging these two technologies to build end-to-end automated and secured solutions. Part 2 shows you how to use the IBM Watson IoT platform and IBM Blockchain service to build a sample use case.
Articles 05 Jun 2017
OpenPOWER secure and trusted boot, Part 2: Protecting system firmware with OpenPOWER secure boot
Protection of system firmware against malicious attack is paramount to server security. If an attacker is able to inject malicious code at the firmware level, no security measure at the operating system level can fully guarantee the trust of the system. IBM OpenPOWER servers support secure boot of system firmware to ensure the system boots only authorized firmware. When the system boots, each firmware component is verified against a cryptographic signature and integrity-checked against a secure hash of the component. If any check fails, secure boot prevents the system from booting until the problem is corrected.
Articles 05 Jun 2017
Turn your smartphone into an IoT device
Learn how to turn your smartphone into a sensor device, send sensor data to IBM Watson IoT Platform in the cloud, and create Bluemix applications that process and visualize the data. You create an Android app and two Bluemix apps that use the Internet of Things and Node-RED services.
Also available in: Chinese   Russian   Japanese   Portuguese  
Articles 02 Jun 2017
Loading feature modules in Angular 4
Get an overview of feature modules in Angular 4, then learn how to apply a mixed loading strategy for optimal application performance.
Tutorial 01 Jun 2017
Build a home assistant mobile application with Watson and IoT Platform services
The tutorial shows how a mobile application can use the Watson Conversation, Text to Speech, and Speech to Text services to understand user commands, which are then used to control devices through IBM IoT Platform services. It also shows how to integrate a Raspberry Pi as a home gateway that receives commands from and sends events to the mobile app. Finally, it shows how to store images by using Object Storage Service.
Articles 01 Jun 2017
A beginner's guide to artificial intelligence, machine learning, and cognitive computing
Get an overview of the history of artificial intelligence as well as the latest in neural network and deep learning approaches. Learn why, although AI and machine learning have had their ups and downs, new approaches like deep learning and cognitive computing have significantly raised the bar in these disciplines.
Articles 01 Jun 2017
What's new in WebSphere Application Server V8.5
IBM WebSphere Application Server V8.5 is a major release that offers dramatic run time improvements, plus simpler and easier ways to develop and deploy applications. This article presents a high level glimpse of some of the new technical features and enhancements that make these improvements possible.
Also available in: Chinese  
Articles 01 Jun 2017
Implementing blockchain for cognitive IoT applications, Part 1: Integrate device data with smart contracts in IBM Blockchain
Internet of things (IoT) solutions are being successfully adopted in many different industries, such as healthcare, warehousing, transportation, and logistics. Current centralized cloud-based IoT solutions may not scale and meet the security challenges faced by large-scale enterprises. The use of blockchain as a distributed ledger of transactions and peer-to-peer communication among participating nodes can solve such problems. This article provides an overview of blockchain-enabled IoT solutions and demonstrates how to use the IBM Blockchain platform for an IoT application in a multi-partner environment.
Also available in: Chinese  
Articles 01 Jun 2017
Go full throttle: The essentials of throttling in your application architecture
By using throttling in your application architecture, you limit the number of requests to a component. This article highlights five throttling scenarios to consider when you plan for a service-oriented architecture (SOA) or microservices architecture.
Articles 31 May 2017
Java 8 idioms: In praise of helpful coding
A Java 8 convention for function composition could improve not only your code, but your relationship with other developers.
Articles 30 May 2017
Deploy an IBM Operational Decision Manager topology with Docker Compose
Docker technology empowers developers and IT to standardize runtime components and provision pre-assembled topologies. IBM Operational Decision Manager (ODM) empowers business users and developers to collaborate when modeling, authoring, testing and deploying business rules to automate business policies. This tutorial shows how to apply Docker micro-container technology to IBM ODM Standard to play in continuous build and modern DevOps. It describes how to create and instantiate Docker images for Decision Server (the  Rule Execution Server) and Decision Center running on a WebSphere Liberty server. You also learn how to use Docker Engine and Compose to orchestrate repeatable clustered and unclustered topologies.
Articles 25 May 2017
Connecting all the things in the Internet of Things
In this guide for IoT connectivity, learn about widely adopted technologies and standards for IoT networking and why you might choose one network protocol over another. Also, learn about the key considerations and challenges related to networking in IoT.
Articles 23 May 2017
Chaincode for Go developers, Part 3: Develop a client application for a blockchain network based on Hyperledger Fabric v0.6
This tutorial shows how to develop a Node.js client application to talk to a blockchain network based on Hyperledger Fabric v0.6. It details registration, enrollment, and access control, and provides reusable code for setting up a blockchain network and querying the blockchain.
Articles 23 May 2017
IBM PowerHA/Cluster Aware AIX (CAA) tunables guide
This article explains about IBM PowerHA and Cluster Aware AIX (CAA) tunables, their default values, and the recommended values for the PowerHA cluster environment.
Articles 23 May 2017
What's new in IBM Security Guardium V10
In Version 10, IBM Security Guardium takes a major step forward with intelligence and automation to safeguard data, enterprise-readiness features, and increased breadth of data sources, including file systems. This article provides an in-depth technical review of all new and changed capabilities including database activity monitoring, vulnerability assessment, and file activity monitoring. This article, originally published in September 2015, was updated to include enhancements for the updates in Version 10.1 (delivered in June 2016).
Also available in: Chinese  
Articles 23 May 2017
express-no-stress: Build awesome APIs with Express.js and Swagger
This brief article shows you how to build Software as a Service using Node.js along with best-of-breed technologies and approaches. It introduces a generator that can be used to quickly scaffold a new API application built on Express.js. This scaffolding provides structured logging, API request validation, interactive API documentation, environment-driven configuration, a simple build/transpilation process, and more. The scaffolded application is also suitable for deployment on modern cloud platforms like IBM Bluemix.
Articles 22 May 2017
Build a mobile app to analyze other apps with Bluemix, Watson Discovery, and Cloudant
Build a mobile app that provides an analysis of the reviews of the top 10 free apps in the App Store. The app then uses Cloudant to store the app details.
Also available in: Chinese  
Articles 22 May 2017
Trigger a sales lead flow from Salesforce CRM to a Google spreadsheet using App Connect Professional
Automate your manual business tasks in the enterprise with this no-code approach by using IBM App Connect Professional, App Connect Personal, and API Connect. This tutorial shows how to create a project flow in App Connect to trigger a sales lead by exposing a REST API in API Connect to populate a spreadsheet in Google Sheets. By following this tutorial, you can discover how this approach can simplify other time-consuming tasks for your teams.
Tutorial 22 May 2017
IBM Cloud for VMware Solutions: Take a look under the hood
This tutorial examines the architecture of IBM Cloud for VMware Solutions, an IBM Cloud offering that provides deployment and management of VMware virtualized environments. Take a look inside the components of the offering to see how they work together to provision and maintain the environment in the public cloud.
Articles 22 May 2017
Build a customized dashboard in Rational Team Concert using Report Builder
There's a good chance you've led a project that contains several teams and spans multiple projects and or releases. All the teams work simultaneously on different components, all leading toward the development of a single product. On projects like this, a high-level overview of the status of these releases and teams that compares specific aspects of the parallel releases from one centralized location is beneficial. Learn how to apply an agile perspective and use software like IBM Rational Team Concert and Jazz Reporting Service to give you visibility into projects with this tutorial.
Articles 19 May 2017
5 things you didn't know about ...: Multithreaded Java programming
Multithreaded programming is never easy, but it does help to understand how the JVM processes subtly different code constructs. Steven Haines shares five tips that will help you make more informed decisions when working with synchronized methods, volatile variables, and atomic classes.
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Articles 17 May 2017
Securing a Raspberry Pi embedded in your IoT device
Learn how to write scripts to define and enforce usage patterns to secure a Raspberry Pi embedded in your IoT device.
Articles 17 May 2017
5 things you need to know when creating a cognitive app
With the growth in applications that exploit the power of deep learning, artificial intelligence technologies are adding value to markets and applications across the board. This article explores five key concepts you should consider when developing an intelligent application.
Also available in: Chinese  
Articles 17 May 2017
5 things you didn't know about ...: Enhancing Swing
Swing is an older toolkit, developed long before the advent of beautiful user interfaces, and it's missing some of the components you might need for building rich UIs. Fortunately, open source projects like Substance, SwingX, and the Java Look-and-Feel Graphics Repository make up the difference. Author Steven Haines shows you how to painlessly add tree tables, syntax highlighting, and more to your Swing UIs.
Also available in: Chinese   Russian   Japanese  
Articles 17 May 2017
5 things you didn't know about ...: The Java 6 Collections API, Part 1
The Java 6 Collections API is far more than a replacement for arrays, though that's not a bad place to start. Ted Neward dispenses five tips for doing more with Collections, including a primer on customizing and extending the Java Collections API.
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Articles 17 May 2017
5 things you didn't know about ...: Java Database Connectivity
JDBC, or Java Database Connectivity, is one of the most frequently used packages in the entire JDK, and yet few Java developers use it to its fullest -- or most up-to-date -- capacity. Ted Neward offers an introduction to newer JDBC features like ResultSets that automatically scroll and update on the fly, Rowsets that can work with or without an open database connection, and batch updates that can execute multiple SQL statements in one fast trip around the network.
Also available in: Chinese   Russian   Japanese   Portuguese  
Articles 17 May 2017
5 things you didn't know about ...: The Java 6 Collections API, Part 2
You can take Java Collections anywhere, but don't take them for granted. Collections hold mysteries and can make trouble if you don't treat them right. In this installment of 5 things, Ted Neward explores the complex and mutable side of the Java Collections API, with tips that will help you do more with Iterable, HashMap, and SortedSet, without introducing bugs to your code.
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Articles 17 May 2017
5 things you didn't know about ...: java.util.concurrent, Part 1
Writing multithreaded code that both performs well and protects applications against corruption is just plain hard -- which is why we have java.util.concurrent. Ted Neward shows you how concurrent Collections classes like CopyOnWriteArrayList, BlockingQueue, and ConcurrentMap retrofit standard Collections classes for your concurrency programming needs.>
Also available in: Chinese   Russian   Japanese   Vietnamese  
Articles 17 May 2017
5 things you didn't know about ...: java.util.concurrent, Part 2
In addition to concurrency-friendly Collections, java.util.concurrent introduced other pre-built components that can assist you in regulating and executing threads in multithreaded applications. Ted Neward introduces five more of his Java programming must-haves from the java.util.concurrent package.
Also available in: Chinese   Russian   Japanese   Vietnamese   Portuguese  
Articles 17 May 2017
5 things you didn't know about ...: JARs
Many Java developers never think beyond the basics of JARs -- only using them to bundle classes before shipping them off to the production servers. But a JAR is more than just a renamed ZIP file. Learn how to use Java Archive files at their fullest capacity, including tips for jarring Spring dependencies and configuration files.
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Articles 17 May 2017
5 things you didn't know about ...: Java performance monitoring, Part 1
Blaming bad code (or bad code monkeys) won't help you find performance bottlenecks and improve the speed of your Java applications, and neither will guessing. Ted Neward directs your attention to tools for Java performance monitoring, starting with five tips for using Java's built-in profiler, JConsole, to collect and analyze performance data.
Also available in: Chinese   Russian   Japanese   Portuguese   Spanish  
Articles 17 May 2017
5 things you didn't know about ...: Java performance monitoring, Part 2
If it's news to you that the JDK ships with the full-featured profiler JConsole, you'll be even more surprised to learn about the five stand-alone profiling utilities introduced in this article. Find out how lightweight (and in some cases experimental) Java process monitoring and analysis tools can help you hone in on performance bottlenecks like thread starvation, deadlocks, and object leaks.
Also available in: Chinese   Russian   Japanese   Spanish  
Articles 17 May 2017
5 things you didn't know about ...: Apache Maven
You might be familiar with profiles, but did you know that you can use them in Maven to execute specific behaviors in different environments? This installment in the 5 things series looks beyond Maven's build features, and even its basic tools for managing the project life cycle, delivering five tips that will improve the productivity and ease with which you manage applications in Maven.
Also available in: Chinese   Russian   Japanese   Spanish  
Articles 17 May 2017
5 things you didn't know about ...: Everyday Java tools
Some Java tools defy categorization and are frequently collected under the rubric of "things that work." This installment of 5 things offers up a collection of tools you'll be glad to have, even if you end up storing them in your kitchen drawer.
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Articles 17 May 2017
Learn Linux, 101: Maintain the integrity of filesystems
Learn how to check the integrity of your Linux filesystems, monitor free space, and fix simple problems. Use the material in this tutorial to study for the Linux Professional Institute (LPI) 101 exam for Linux system administrator certification -- or just to check your filesystems and keep them in good working order, especially after a system crash or power loss.
Also available in: Chinese   Japanese  
Articles 17 May 2017
Developing cognitive IoT solutions for anomaly detection by using deep learning, Part 1: Introducing deep learning and long-short term memory networks
This article is the first in a four-part series, "Developing cognitive IoT solutions for anomaly detection by using deep learning." This article explains what deep learning is, what neural networks are, and how they can be used to analyze the large amount of data that IoT sensors gather.
Articles 16 May 2017
Modern languages for the modern enterprise
Learn why it makes sense to use JavaScript (Node.js), Swift, and the Java language on enterprise servers.
Articles 16 May 2017
Digital process automation with BPM and blockchain, Part 1: Combine business process management and blockchain
In Part 1 of this series, learn how a combination of business process management and blockchain technologies leads to smarter business processes. Then, discover blockchain services and implement service flows and a business process. Learn to work with blockchain assets in your business processes.
Articles 15 May 2017
Getting to know MQTT
This article provides a technical introduction to the MQTT protocol. You learn what is MQTT, what makes MQTT suitable for IoT applications, and how to get started with developing apps that use MQTT.
Also available in: Chinese  
Articles 12 May 2017
Bidirectional supports for disaster recovery using IBM Geographically Dispersed Resiliency for Power Systems
This article demonstrates the working of bidirectional support for disaster recovery using the IBM Geographically Dispersed Resiliency for Power Systems solution, where two sites can handle the configuration in both directions.
Articles 11 May 2017
Spring Boot basics
Learn how to use Spring Boot's starters, opinions, and executable JAR file structure to quickly write Spring-based applications that "just run."
Tutorial 11 May 2017
IBM RFE Community, Release 20
Find out what's new in the RFE Community. With Release 20, the RFE Community provides new features that keep you up to date on the requests you're watching and are interested in.
Articles 11 May 2017
An open source solution for dockerizing STAF and LTP on IBM Power Systems
STAF and LTP is a widely used regression test combination to validate the behavior of Linux kernel and glibc components. This article describes how to build a STAF and LTP Docker image. By using this image, you can create containers that test the Linux kernel and glibc components.
Articles 10 May 2017
Get started with the JavaScript language, Part 2: Variables
Continue your JavaScript language journey with this interactive tutorial about variables. Variables store data that can later be retrieved or updated with new data.
Articles 10 May 2017
Get started with the JavaScript language, Part 3: Operators
Continuing on the foundational understanding of the JavaScript language, this article explores all of the available operators in the JavaScript language and how you can use them. Code examples to show how it's all done are included as are places to practice what you're learning.
Articles 10 May 2017
Get started with the JavaScript language, Part 6: Functions
Continuing on the foundational understanding of the JavaScript language, this article explores functions in the JavaScript language and how you can use them. Code examples to show how it's all done are included as are places to practice what you're learning.
Articles 10 May 2017
Get started with the JavaScript language, Part 7: Loops
Continuing on the foundational understanding of the JavaScript language, this article explores loops in the JavaScript language and how you can use them.
Articles 10 May 2017
Get started with the JavaScript language, Part 5: Conditional statements
Continuing on the foundational understanding of the JavaScript language, this article explores conditional statements in the JavaScript language and how you can use them. Code examples to show how it's all done are included as are places to practice what you're learning.
Articles 10 May 2017
Get started with the JavaScript language, Part 4: Arrays
Continuing on the foundational understanding of the JavaScript language, this article explores all of the available operators in the JavaScript language and how you can use them. Code examples to show how it's all done are included as are places to practice what you're learning.
Articles 10 May 2017
Native JavaScript applications on IBM i with Node.js
Node.js is an open source project that provides a platform for server-side JavaScript applications running without browsers. Node.js is now supported on IBM i. Beyond support for Node.js, IBM i specific extensions are included in the new open source for IBM i licensed product. This article introduces the basics of Node.js and explains how to use it on IBM i.
Also available in: Chinese  
Articles 10 May 2017
Creating a sentiment signal for publicly traded firms by using IBM Watson on Bluemix
This tutorial explains how our team used IBM Bluemix, the Watson Natural Language Understanding API, crawled web data, and Twitter data to create a web page to track the aggregated sentiment signal for several publicly traded firms. We also give two possible uses of this data in equity research.
Also available in: Chinese  
Articles 09 May 2017
Hybrid integration platform in the digital enterprise
As the applications, data and services are scattered on-premises in the enterprise and in the cloud, a single integration platform is insufficient to meet the requirements of end-to-end business process models. A hybrid integration platform that is built with many types of integration components is essential to meet all integration needs, including mobility and IoT. This article explains three use cases to position a hybrid integration platform and the steps for designing such a platform with an optimum configuration of middleware components.
Articles 09 May 2017
Make the most of container technology with the IBM Bluemix Container Service API
As containers play an increasingly prominent role in information technology, Docker continues to grow in importance. More and more, IT design teams are looking to Docker as the basis for their architecture. To keep pace with this container movement, IBM has released its own container solution, the IBM Bluemix Container Service, based on Docker. This article explains how to interact with the Bluemix Container Service through its API.
Articles 09 May 2017
Configure an ISAM reverse proxy as a PEP to an OpenID connect provider
IBM Security Access Manager Version 9 added support for OpenID Connect. This protocol builds on OAuth Version 2.0, but the access tokens issued by an OpenID Connect Provider cannot be used out of the box to access protected resources. In this article, I explain how to configure this.
Also available in: Chinese  
Articles 09 May 2017
Get started with the JavaScript language, Part 1: The basics
Want a foundational understanding of the JavaScript language? This tutorial series series gets you started by covering basic JavaScript concepts for beginners, and provides code examples to show how it's all done.
Also available in: Chinese   Russian   Japanese  
Articles 08 May 2017
Selected common SQL features for developers of portable DB2 applications
Are you writing SQL applications that need to be portable across platforms? Here's the information you need to make sure your applications are portable. The tables in this article summarize the common SQL application features and make it easy for you to develop applications using SQL that is portable across the DB2 family, including DB2 for z/OS, DB2 for i, and DB2 for Linux, UNIX, and Windows.
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Articles 08 May 2017
Choosing the best hardware for your next IoT project
This article provides a balanced overview of different types of hardware that are commonly adopted for IoT, including micro controllers (for example, Arduino), single board computers (for example, Raspberry Pi), and embedded devices. The article describes the high-level building blocks and key characteristics of hardware, including an overview of needed security features and firmware capabilities, in the context of IoT. The article also provides guidance for when, where and why a developer might choose one type of hardware over another for an IoT project, and examples of use across a range of industries.
Articles 05 May 2017
HTTP server push with WebSocket and SSE
WebSocket and SSE are two leading server push solutions for real-time streaming in web and mobile applications, but how do they compare? A Python web app highlights the strengths and limits of each protocol, then gets you over the hump of troubleshooting connection issues in the WebSocket frontend.
Also available in: Chinese  
Tutorial 05 May 2017
The busy JavaScript developer's guide to ECMAScript 6, Part 3: Classes in JavaScript
Love it or hate it, JavaScript has long been a language without classesobject-based but not object-oriented. Find out how ECMAScript 6 changes all that, and what it means for prototypical inheritance in your JavaScript programs.
Also available in: Chinese   Japanese  
Articles 03 May 2017
The busy JavaScript developer's guide to ECMAScript 6, Part 2: Functional enhancements
Some of the new features you'll find in ECMAScript 6 are associated with functional programming, including the arrow and generator functions. Get started with using these and other functional elements in your JavaScript programs.
Also available in: Chinese   Japanese  
Articles 03 May 2017
The busy JavaScript developer's guide to ECMAScript 6, Part 1: Variable declarations and more in the new JavaScript
With more libraries and packages adopting the new JavaScript standard, it's time that developers did too. Get started with an overview of what's new in ECMAScript 6, then find out how key features have been tweaked for stronger coding in the new JavaScript.
Also available in: Chinese   Japanese  
Articles 03 May 2017
The busy JavaScript developer's guide to ECMAScript 6, Part 4: New objects and types in the standard library
Get started with a handful of worthy additions to the standard library new objects and types that, over time, could revolutionize the way you code in JavaScript.
Also available in: Chinese  
Articles 03 May 2017
Build your chatbot with Watson Conversation
Learn how to integrate the Watson Conversation service with another Watson service, Natural Language Understanding, to expand the list of entities that can be extracted from users' speech.
Also available in: Chinese  
Articles 02 May 2017
Manage transactions in the cloud, Part 2: Making do without distributed transactions
Part 2 of this series looks at the specific challenges of managing transactions in the cloud. The author examines ways of ensuring transactional qualities across multiple resource managers, even where distributed transactions are not available.
Articles 02 May 2017
IBM i ILE RPG cloud integration sample with IBM Bluemix
In this article, you can learn how to connect your ILE RPG programs from cloud applications such as Node-RED on IBM Bluemix by using the REST web service call functionality of the integrated web services server
Articles 02 May 2017
Using the Exception plug-in node in IBM Integration Bus
IBM Integration Bus doesn't have a built-in node for capturing exception details in a message flow. This article shows you how to use the Exception plug-in node for this purpose, and reduce the development effort needed to create an exception flow.
Articles 01 May 2017
Collect troubleshooting data for WebSphere Liberty for Java on Bluemix
Get answers to the top questions about collecting troubleshooting data from Java EE applications on Liberty for Java on Bluemix.
Articles 01 May 2017
Expose APIs in a WebSphere Liberty collective
With enhancements in IBM WebSphere Liberty 17.0.0.1, you can create a Liberty collective environment to deploy and manage hybrid workloads. It supports Java, Node.js, Liberty in Docker, and Node.js in Docker. This tutorial demonstrates how you can expose APIs from applications in these four different runtime environments that can be viewed in one user interface.
Articles 30 Apr 2017
Java 8 idioms: Functional alternatives to the traditional for loop
The for loop might be ubiquitous, but it isn't irreplaceable. Learn how range, iterate, and limit cut the fuss out of even complex iterations in Java.
Also available in: Chinese  
Articles 30 Apr 2017
Top 5 things you need to know about IBM BPM on Cloud
Moving your business process management solutions to IBM® Business Process Manager (BPM) on Cloud introduces some special considerations. For a successful transition, pay attention to five areas when you plan and implement a move to IBM BPM on Cloud: topology, security, administration and operations, application design, and application data and integration.
Also available in: Russian  
Articles 25 Apr 2017
The busy JavaScript developer's guide to LoopBack, Part 2: Models
In Part 2 of this series on the LoopBack framework, learn how to define and use models and data sources as you walk through the development of a basic web API.
Also available in: Chinese  
Articles 24 Apr 2017
Use the Node.js event loop effectively
For new Node.js application developers, part of the learning curve is getting comfortable with how the single-threaded event loop works and how it can lead to unexpected results. You can practice using the event loop in the three interactive samples in this tutorial. In no time, you'll be writing fast, efficient code that handles asynchronous calls easily.
Also available in: Japanese  
Articles 20 Apr 2017
5 insider tips to customize themes in the IBM API Connect Developer Portal
Streamline theme customization in the IBM API Connect Developer Portal. Our API Connect experts share five tips they learned from their work with clients who needed help with themes.
Articles 19 Apr 2017
Manage transactions in the cloud, Part 1: Transaction basics and distributed transactions
In this first part of a two-part series, André Fachat discusses transaction basics and distributed transactions. Transactions can make error handling easy, not just with a single resource but also across resources. Here, André shows you how two-phase commit distributed transactions work and points out that even they are only "eventually consistent," if only by a small time interval. He also illustrates how a persistent transaction log in the transaction manager is a requirement for distributed transactions.
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Articles 17 Apr 2017
Design and build secure IoT solutions, Part 1: Securing IoT devices and gateways
In this 3 part series of developing secure IoT solutions, the authors introduce IoT vulnerabilities and design challenges for secure IoT apps and then provide tested techniques for securing devices and gateways. For example, they discuss device authentication, including certificate-based authentication, device authorization, and application ID validation.
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Articles 17 Apr 2017
Digital Business Start trial offering for IBM Power Enterprise Systems using EnterpriseDB (EDB) Postgres Advanced Server
This article describes how to quickly and easily install and configure EnterpriseDB Postgres Advanced Server with Linux on Power architecture, namely RHEL 7.2 LE. Although it is targeted towards customers who have eligible dark core resources on IBM Power Enterprise Servers, the installation instructions are valid for most IBM Power servers.
Articles 14 Apr 2017
Protect your apps from cross-site scripting (XSS) attacks
One of the most common techniques for cross-site scripting attacks is injecting code into a web page. This code snippet shows you how to use escape sequences so that any injected code can't run.
Articles 14 Apr 2017
Do more with the IBM Blueworks Live REST API, Part 3: Write Java applications with the Blueworks Live REST API
In Part 3 of this series about the Representational State Transfer (REST) application programming interface (API) for IBM Blueworks Live, learn how to process the results of the REST API calls in Java applications.
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Articles 13 Apr 2017
Preserving redundant VIOS configuration on production site with IBM Geographically Dispersed Resiliency solution
IBM Geographically Dispersed Resiliency for Power Systems is an innovative disaster recovery (DR) solution to recover virtual machines (VMs). In enterprise customer environments, multipathing I/O with dual Virtual I/O Server (VIOS) configuration is widely employed for redundancy. This article suggests a procedure to perform disaster recovery to move the VMs that have dual VIOS setup on host at production or active site to a backup site with a single VIOS setup in the backup hosts. The article also explains the procedure to preserve the original dual VIOS configuration after the VMs move back to the previous site again.
Articles 12 Apr 2017
Create a security-based and machine-learning front end
In this article, you learn how to create a security front end that automatically learns the proper format for application inputs. With this information, the front end can identify abnormal input, which can then be blocked or cause an alert.
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Articles 12 Apr 2017
Bring WebSphere Liberty and the cloud to your z/OS system
IBM z/OS users can now bring IBM WebSphere Liberty and the cloud to the enterprise with the IBM Cloud Provisioning and Management plug-in. This article explains this plug-in for the IBM z/OS Management Facility (z/OSMF) and the configuration options for Liberty. It also explains how to set up and use the plug-in to create your own cloud environment to provision Liberty on z/OS. By using this plug-in and the downloadable sample Liberty workflows, you can create a cloud environment to securely provision Liberty servers on demand.
Tutorial 11 Apr 2017
Explore the news and gather insights using Watson Discovery
Gather insights from big data by using the Watson Discovery service. Learn how to set up a Discovery instance on Bluemix and how you can run some common queries against the News collection.
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Articles 10 Apr 2017
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