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The article discusses how to write a Representational State Transfer (REST) web service that returns data in JavaScript Object Notation (JSON) format. The author says that a REST type web service carries less overhead and also needs less dependencies. He also discusses a JSON tool Yet Another JSON Library (YAJL), an open-source JSON generator and parser created by Lloyd Hilaiel from Mozilla, a free software community known for its Firefox web browser.

The article offers the author's insights on the store settings ability of IBM i integrated language environment (ILE) program inside a user profile. Information regarding the three application programming interfaces (APIs) of User Application Information APIs, the application information identifier (app IDs), and the deletion of information from a user profile is discussed. Procedures on multiple application ID retrieval and information retrieval from a user profile are also given.

The article focuses on the usability of the integrated language environment (ILE) of regular expression. It states that a regular expression is a set of characters that determines a pattern that can be compared against a string. It also mentions that the ILE implementation defends two regular expression syntaxes such as the portable operating system interface (POSIX) standard Basic Regular Expressions (BREs) and Extended Regular Expressions (EREs).

The article offers the author's insights on the use of escape messages in RPG programs. The author states that escape message is better than simple exit status code since it cannot be ignored. He also features a RPG program for mailing list that he written, in which the open-source points of interest (POI) routines in RPG reads the Excel spreedsheet, gets the data on the mailing list, and inserts the data into a database.

The article presents the author's insights on the support of the Integrated Language Environment (ILE) Role-Playing Games (RPG) to mutiple concurrent threads within a single job. The author mentions that the lacks opcodes are supported by the thread of RPG for the creation of new threads. Moreover, a SERIALIZE keyword is provided by RPG to assist with the safety of the thread.

The article offers the author's insights regarding the relevance of Representational State Transfer (REST) web service for Integrated Language Environment (ILE) RPG. The author says that web services is an important tool for modernizing and development of software. Moreover, he mentions that web service is also beneficial for companies such as Amazon and Google in offering services to customers.

The article offers the author's insights on the use of function which implements a virtual table User Defined Table Function (UDTF) in Report Program Generator (RPG). He says that the UDTFs is a suitable tool to write business logic to compute data to display in a list or table. He offers an example of a UDTF in RPG code. He mentions that writing a UDTF in RPG can improve the existing code.

The article focuses on the usefulness of Report Program Generator (RPG)subprocedures even if Integrated Language Environment (ILE) concept is not used in shops. It informs that 80 percent of new RPG develpoment is done with ILE RPG compilers, but at the same time only 30 percent of the shops use the concept of ILE. It also mentions that subprocedure are powerful ways to use, improve the readibility of code and also helps in maintaining the programs. INSET: Welcome to Meat of the Matter.

The article provides tips on correcting a syntax error in the V6R1. It notes that V6R1 supports an extended file transfer protocol (FTP). This FTP will first be trying to use the extended passive command (EPSV) and will fall back to using the standard passive command (PASV) when the first try fails. Further details in breaking the structured querry language (SQL) into pages and running the personal home page (PHP), QShell, and PASE tools from the report program generator (RPG).

The article presents the author's tips and suggestions on date retrievals from computer language (CL) codes to ensure that no assumptions are made about the system date. He explains that CL programs are written for in-house use. The author suggests that programmers retrieve the date safely and use the Convert Date (CVTDAT) command to convert it to the needed program.

The article focuses on the Representational State Transfer (REST) architecture and its usability in web services. The author opines that while Simple Object Access Protocol (SOAP) is a powerful and widely used architecture in web services, it is highly complicated. The author suggests that REST can be a good alternative to SOAP. The article also offers detailed steps to write an RPG (Report Program Generator) program to work with the REST architecture.

The article explores the Report Program Generator IV (RPG) programming language. It offers some of the options available with data structures and explains how these features can save user's time or make programming with the language a lot easier. It also reports that programming with RPG- IV is a lot simpler and easier than its previous versions.

The article reviews several debugging tools from International Business Machines Corp. (IBM) including Start Interactive Source Debugger, Start Debug, and IBM Distributed Debugger. INSET: Compiling Debug Views into Your Programs.

The article provides an answer to a question of how to download all source members to a PC.

The article focuses on the importance of the Secure Shell (SSH) security tool in protecting the network transmission with high-quality encryption and private-key authentication. It notes that the said tool provides access to others computer. It also notes that SSH tool is constituted with tools for interactive logons, file transfer, tunneling, and remote command execution and does all cryptography and authentication. INSETS: Find Out More;Lively Forum Discussions!.

The article lists the comments of the members of the System i community of the improbability factor that they've experience.

The author reflects on the use of the modern RPG programming language. He indicates the significant enhancements of RPG IV language in every release of i5/OS. He also explores the differences between RPG and the other programming language. Furthermore, the author suggests using the right tool in programming.

The author suggests ways on how to effectively choose the right technology for writing web applications. He recommends sticking with free tools considering the number of all commercial options made available to the public. He also hints the use of tools that are considered widely used in the System i community. Focusing on tools that generate true web applications is likewise referred to instead of using webfacing or screen-scraping tools that convert 5250 screens into web screens.

The author discusses the set or required policies that one should use when working with RPG. He says that RPG is a simple program and has proper decimal support and can handle errors properly. He adds that it has deep integration with the database and is the only language whose destiny IBM completely controls. In developing RPG, he explains that one must encapsulate business and database logic and never mix logic with display logic. The author suggests to use procedures and not subroutines, named indicators and not numbered.

The article offers information on QShell and PASE, a Unix-like environments that run under the i5/OS operating system of the System i of IBM. It notes that PASE comes with an actual Advanced IBM Unix (AIX) shell that provides many of the same utilities that QShell does. It mentions that QShell treats *FiLE objects as directories. It cites the advantage of QShell over PASE. INSET: IFS Path Names.

The article discusses pattern recognition for Internet link exchange (ILE) and rapid programme generation (RPG) programming. Experts recommend the adoption of a Model-View-Controller (MVC) strategy for writing new applications. This model is a module that contains all the business logic. A pattern for writing a business logic is explained. A discussion on how to handle errors in the module is given.

The article offers tips on computer programming and development, with emphasis on debugging. Storing program debug information automatically is mandatory for many shops because it enables one to immediately start a source debug session if necessary. It also provides an option to verify the current version of a program or to recover lost sources. Seven debugging tips are presented for those who are still using green-screen debug.

The article talks about Secure Sockets Layer (SSL) and Global Secure ToolKit (GSKit). SSL is the industry standard for encrypting TCP/IP communications. The first SSL was developed by Netscape Communications Corporation. Eventually, the development of SSL was handled by the Internet Engineering Task Force. Two sets of application program interfaces (API) for SSL programing are provided by the IBM i5/OS, SSL-API for the V4R3 and the GSKit API for the V5R1. Encryption and authentication is provided by SSL.

The article talks about application programming interface (API) provided by IBM with its i5/OS. When a computer program is interacting with another program it is called an interface. There are more than 2,500 API offered by IBM in their i5/OS. API can be found by using the API Finder, API by Category and Alphabetic list of API.

Offers tips on the integration of Web services in Report Program Generator program language. Definition of Web service; Requirements of Web service programs; Input parameters in processing Simple Object Access Protocol message to the Currency Convertor.

The article offers information on the fundamental concepts of TCP/IP and explains how to write TCP/IP client applications in RPG. The manner in which computer networks function is discussed. A background of the two computer network protocols in which TCP/IP was based is presented. The article also covers the functions of a TCP client program.

The article explains what activation groups are and shows how they can be useful to RPG programmers. It presents a list of the processes involved in the functionality of activation groups. It discusses the usefulness of named activation groups which remain in memory until they are explicitly reclaimed with a command.

The article discusses the author's views on several methods of sorting a subfile. It evaluates the advantages and disadvantages of such methods. It also benchmarks each method to demonstrate the differences in the performance. It describes the environment used by the author in evaluation the subfile sorting methods.

Provides information on the use of directories from Report Program Generators in the integrated file system (IFS). Functions of directories in the IFS; Comparison between a directory and an absolute path name; Advice on using application program interfaces to create directories from RPG. INSET: The IFSIO_H Source Member and the ReportError() Subprocedure.

Focuses on the use of integrated file system (IFS) links from ILE RPG computer programs. Limitation of hard links; Overview of a symbolic link; Procedure on renaming a file in the IFS.

Presents guidelines for retrieving information about files in the integrated file system (IFS) on iSeries computer system. Requirements for using IFS application programming interface; Sizes associated with each file on the system; Ways to change files' attributes.

Discusses binary stream files, which are stream files that contain other data types besides text and explains how to organize stream file into records and how to retrieve those records in a nonsequential fashion. Reason behind the need to know how to organize stream file into records; Overview of the process of loading the data into a data structure and writing that data structure to the stream file; Components of ItemRec, a data structure that the program populates when the file has been created.

Elaborates the benefits of integrated file system (IFS) to businesses. Compatibility of IFS with file formats; Capability of IFS for error handling; Export of data in comma-separated value format.

Presents information on text files, a stream file intended to be readable by a person. Line breaks in text files handled by software designed for Microsoft Windows; Information on the Coded Character Set Identifier, a number assigned to each file; Use of a varying field for the text variable.

Presents information on writing a stream file to the integrated file system (IFS). Advantage of ILE C programmers over ILE RPG programmers when working with the IFS; Instruction on opening a stream file; Meaning of each bit in the Mode parameter; Function of read and write application programming interfaces.

The article presents questions and answers related to web and mobile applications development including the advantages of using LIKE and reference field (REFFLD) computer language, errors in SSH file transfer protocol (SFTP), and the use of QShell command in listing files from a remote server.

The author discusses the significance of report program generator (RPG) in the computer programming. He says that RPG is the major language in the web application development industry. The author also argues on the opinion article wrote by Mel Beckman who states that RPG is an old language by which it falls in the category with Cobol and Fortran.

The article offers information on how to solve the problem concerning the Expect Scripts errors. It emphasizes the importance of keeping in mind that Expect scripts work by searching for a string. It also emphasizes that Expect scripts sit and keep reading the data from HHS File Transfer Protocol (SFTP) then adding it to buffer. Further information in solving the error of Expect script.

The article reviews the database management software PTFS for IBM i 6.1 from International Business Machines Corp. (IBM).

The article presents updates on operating systems technology. It discusses the importance of keeping users updated with status messages, H-spec that gives the ability to specify the activation group attributes in source, and controling the powerful users for regulatory compliance. It also offers information on finding Integrated File Systems (IFS) objects with ALWSAV=NO.

The article presents questions and answers related to the computer systems which include how to convert characters 1234 into hexadecimals and the records that can be delimited by tilde in IFS.

The article presents a personal narrative on how to access the SQL server from RPG.

The article reviews the data retrieval software V5R4 from International Business Machines Corp.

The article presents questions and answers related to computer technology including one on Excel spreadsheets with HSSF, another on data access and a question on IP address retrieval.

The article presents questions and answers related to computer programming including how to reset the date on a source code line, disabling the message queue that shows after trying to connect System i using Telnet to connect to the second system and retrieving the date and time of the last IPL.

The article discusses several commands in computer programs. The Send Message (SNDMSG) command of QHST has the ability to send a message to the history log of the system. The Work with Registration Information (WRKREGINF) command of the i5/OS is the ability to review all exit programs on the system. An explanation of how to retrieve the job ID of the Submit Job (SBMJOB) command is also included.

The article presents questions and answers related to computer codes. One person asks for advice on writing a program that lists all objects that did not come with a system in QGPL and QUSRSYS data libraries. Another asks for tips on converting extended binary coded decimal interchange code (EBCDIC) data to unicode transformation format (UTF)-16 in report program generator (RPG). A reader requests for a quick way to extract a number that can be up to 30 digits from a 30-character string.

This section provides tips related to software configuration and other operation issues, for System iNetwork software analysts and developers. Tips to prevent any instance of the Java Virtual Machine (JVM) from starting is presented. One reader demonstrated how a trigger program can catch an error and cancel an update operation, and explained how an application program can receive an error message that a trigger sends so that the error message can be shown to a user.

The article presents questions and answers related to computer programs. A reader asks what is the best buffer size to use if he has a large stream file stored in his integrated file system (IFS) that he would like to read in a report program generator (RPG). Another asks how to make a program retry automatically when it is run in batch.

Answers queries on computer programming. Conversion of a scientific notation to an integer or decimal; Installation of an iSeries Access on a Windows personal computer; Optimization of times data transferred to and from the terminal.