C/C++ Archives - IT Jungle

Stop Coding In C and C++, Feds Say

December 2, 2024 Alex Woodie

Two federal agencies asked the IT world last month to stop developing applications in memory unsafe languages like C and C++ and to come up with roadmaps to migrate existing apps. While the security alert is unlikely to have a major impact on IBM i application development, the C family of languages does have a presence on the IBM midrange server that will be very tough to remove.

Organizations should immediately stop developing new applications written in memory unsafe languages like C and C++, the Cybersecurity and Infrastructure Security Agency (CISA) and the Federal Bureau of Investigations (FBI) warned last …
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Guru: The Transition From Modern RPG IV To Modern SQL

October 30, 2023 Bob Cozzi

Seven or eight years ago I was working with a client who needed more contemporary reporting than provided by the legacy Query/400 product. Initially I looked at Db2 Web Query and realized the documentation was sparse and the tutorials for most things, even “getting started” were virtually non-existent. It was also about four times more expensive than I felt it was worth to a P05 or P10 client. I mentioned the documentation issue to the folks at IBM and they agreed. Some of it was eventually resolved, but not enough in my opinion to get the masses to replace Query/400 …
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Guru: Generating XML Using SQL – The Easy Way

September 18, 2023 Bob Cozzi

There are many verbose methods of generating XML. You can:
- Write your own RPG code
- Using a free or third-party API
- Use SQL iQuery OUTPUT(*XML) option
- Use the built-in SQL XML functions such as XMLELEMENT
I’m sure there are others, but these seem to be the most popular.

For years I had been using the XMLELEMENT approach; a rather verbose set of XML function built into Db2 for i SQL. In fact, SQL iQuery’s OUTPUT(*XML) is based on that feature. It simply regenerates your SQL statement using XMLELEMENT statements for each output column/field name.

But if you’re using something IBM …
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Momentum Builds For Code For IBM i

November 7, 2022 Alex Woodie

Energy and excitement are building in the IBM i development community thanks to Code for IBM i, the VS Code extension that enables users to write and edit RPG and COBOL code in a Web browser. Spearheaded by Liam Allan, who now works for IBM, the lightweight alternative to RDi is approaching critical mass among IBM i developers desperate for something new.

For many years, IBM i shops had few options available to them when it comes to developing ILE applications for IBM i. IBM’s default recommendation was Rational Developer for i, the Java-based integrated development environment (IDE) that …
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Finally, IBM i Cloud Dev Instances That Are Powerful And Cheap

October 24, 2022 Chuck Paolillo

Back in the old days, when IBM had relatively inexpensive entry AS/400 and iSeries machines and was willing to lease them at special low rates to developers, it was possible for software houses and independent code slingers to get their hands on machinery to create and modify applications. Those days are long gone, and it has been very difficult to replace that cheap and usable functionality in the marketplace.

With Windows Server and Linux platforms, things are a lot easier because developers can create a variant of their X86 server environment right on their desktops or laptops, and if need …
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IBM Brings OpenShift Cluster Management Native On Power Iron

March 14, 2022 Timothy Prickett Morgan

If you went out to GitHub and grabbed the source code for the Kubernetes cloud controller, you could compile it in C/C++ or set up the runtimes for the Python chunks of it, and you would probably find some Go buried in there and you could the toolchain and get the raw Kubernetes to work on Linux partitions; you might even be able to get it to run natively on AIX, and if you were really clever, you might even be able to get it to run on IBM i.

But you wouldn’t have very much that was useful given …
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IBM Bolsters RPG And COBOL Development

May 13, 2019 Alex Woodie

Amid the many and varied enhancements that IBM rolled out last month for its IBM i operating system was a collection of improvements for its core development tooling, including the Eclipse-based Rational Developer for i (RDi) as well as Rational Development Studio for i, which contains the RPG and COBOL compilers.

Let’s start with the RPG and COBOL compilers in Rational Development Studio for i, since updates to these strategic pieces are more infrequent than the updates to RDi, which shares a common base with integrated development environments (IDEs) for other operating systems and therefore updated more frequently.

The biggest …
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Inside The Latest ALL400s Report

February 6, 2019 Alex Woodie

In early 2018, John Rockwell started a survey from his ALL400s website in an attempt to glean more information about the state of midrange community. Many of the questions are about which products IBM i professionals use, but the survey also digs into other aspects of the relationships that people and organizations have with the platform, including plans to migrate off IBM i.

According to the latest ALL400s survey of the midrange community, more IBM i shops say they have no plans to move off the platform. It was a small increase — from 57.5 percent last April who said …
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