Eugenia Loli Archive

Engineering Lessons by Joel Spolsky

For a good weekend reading, amateur and pro programmers can go to Joel On Software where Joel Spolsky gives a big number of extremely valuable hints about the process of engineering software. Joel Spolsky is one of the initiators of VBA, and led its implementation in Excel. He has recently founded his own company, Fog Creek Software. Anyone who wants to become a really good software engineer should pay a lot of attention to his essays, probably starting with The Joel Test.

First Amiga Digital Environment Demo Contest

Amiga.org is organizing the first ever AmigaDE demo competition. Demos may be written in any language of preference, but the end result must be either compiled down to Virtual Processor code or must be Java Bytecode. The demos will be shown at the World of Amiga South East Show, which is being held in the UK on the 3rd of November 2001. Read more for more information regarding the Amiga Digital Environment and Amiga demos. Mike Bouma has the details.

Microsoft Offers Beta Version of XP Embedded

In its drive to be taken seriously by the embedded community, Microsoft Corp. announced this week that it will make a broad offering of the Windows XP Embedded operating system through a special preview aimed at developers. Windows XP Embedded, being developed in parallel with the desktop version of XP, will reportedly be unveiled as a product late this year. The company said this week, however, that it is now offering the second beta edition of XP Embedded on its Web site. Developers visiting the site can also order a CD (priced at approximately $8 USD) containing the operating system. Microsoft executives said they offered the beta version as a result of demand from developers.

Preemptible Linux – A Reality Check

"Some oppose a preemptible kernel because of throughput concerns. Others oppose preemptibility because of concerns about growing complexity in the kernel. This argument is specious, because the preemption approach takes advantage of already required and in place SMP locking. No additional complexity is created. All Linux kernel engineering must already take into account SMP requirements. Some oppose continued refinement of SMP locking to achieve better SMP scaling (on higher way SMP systems); such refinement has the beneficial side effect of also reducing preemption off periods in a preemptible kernel." Read the rest of the editorial at LinuxDevices by Kevin Morgan who is the Vice President, Engineering at MontaVista Software.

First Operating Engine Without a Kernel

Unununium 111 is a completely new approach to OS developement. Using 100% x86 assembly code and the VoiD architecture, the system is completely hot-pluggable to any system and without a kernel of its own which makes it extremely dynamic. The unununium project is an effort at creating a highly dynamic environment, that can be molded into various systems capable of sharing parts, thus simplifying and reducing the time needed to develop many closely related, but not identical, specialized operating systems. Their goal is to develop a set of tools with related documentation that other projects will be able to use.

DOJ Says Microsoft Should Not Break Up

The U.S. Justice Department announced today that it will not seek to break Microsoft Corp. in two during the next phase of the software maker's landmark antitrust case. The U.S. Court of Appeals for the District of Columbia in late June had overturned a lower court's order by U.S. District Court Judge Thomas Penfield Jackson that Microsoft be broken into two companies as a remedy for anticompetitive practices. At the same time, it upheld the lower court's conclusion that Microsoft has a monopoly in the market for computer operating systems and maintains that monopoly power by anticompetitive means in violation of U.S. antitrust laws.

Microsoft Showcases New Tech at Research’s 10th Anniversary

Microsoft Chairman Bill Gates demonstrated today technologies for transcribing spoken Chinese, making handheld computers aware of when they're being touched and moved, and adding emotion to computer slide shows. At an event recognizing the 10th anniversary of Microsoft Research, Gates indulged his fondness for technology, raising hopes for a world where computers will become more useful. At the event, among the things it was showed was a handheld computer that understands which way is up and where it's being touched, technology that lets it reorient the display according to how it's held or understand when a person is holding it like a cell phone to give dictation. The "Mulan" software project for reading Chinese writing out loud or transcribing speech into characters. With about 60,000 characters in Chinese, it's difficult to use keyboards. Automated bug detection that helped make Windows 2000 less crash-prone is being used in all other Microsoft product lines. Video compression technology that's less error-prone than the prevailing MPEG4 standard. Software that's designed not to sap people's emotion when creating narrated slide shows so sharing photos online is more like the storytelling that accompanies the viewing of traditional photo albums. Software that can reconstruct three-dimensional images from a few still photos.

Interview With Ville Turjanmaa, the Creator of MenuetOS

Today we are hosting an interview with Ville Turjanmaa, the creator of the Menuet Operating System. Menuet is a new, 32-bit OS, it fits to a single floppy (along with 10 or so more applications that come as standard with the OS). It features protection for the memory and code, it has a GUI running at 16,7 million colors, sound at 44.1 khz stereo, easy of use and easy low level API. And the most important and notable feature? The whole OS was written in 100%, pure 32-bit x86 assembly code.

Red Hat Unveils Embedded Software

Red Hat, Inc. announced today a programming toolkit for creating software for "embedded" computing devices such as set-top boxes, handheld computers or network routers. The Embedded Linux Developer Suite comes with version 2.4 of the Linux kernel, RedBoot loading software to start up the device, configuration tools for different software modules, and options and support for MIPS, SuperH, Intel-compatible, PowerPC, ARM, StrongARM and XScale chips. Pricing will be announced in October, when the software goes on sale, Red Hat said.

New Development Version of GTK+ Available

A new release of the development versions of GTK+ and associated libraries (GLib, Pango, Atk) is available. This is a an unstable preview release and should not be used in production. This release is incompatible with GTK+ and GLib 1.2.x and software that has not been explicitly ported will not compile with this version. GTK+ 1.3.7 is the unstable version that will result to GTK+ 2.0 which is the next major version of GTK+ and the one which Gnome 2.0 will be based on.

VMware Launches VMware Workstation 3.0 Beta

VMWare today announced the availability of a Beta release of VMware Workstation 3.0, the latest generation of its award-winning desktop software for technical professionals. Workstation 3.0 delivers significant performance and usability improvements over previous releases, the company says. Workstation 3.0 provides support for the latest operating systems including WindowsXP and the latest Linux distributions, supports additional peripheral devices, and provides significant enhancements in networking and better overall performance. VMware will ship Workstation 3.0 in the fourth quarter of 2001. New features include: Host and guest OS support for WindowsXP Pro and Home Edition, USB device support, DVD-ROM support, CD-R/RW support, CD-ROM ISO image support, generic SCSI device support -- makes devices available directly to the guest OS, large virtual disk support, now up to 128 GB per IDE virtual disk and 256 GB per SCSI virtual disk, improved CPU, networking, disk and interactive performance, completely new Windows style user interface (Windows host version), built-in NAT for easy connection to networks, more flexible and easier to configure virtual networking, improved support for laptops and more. Our Take: No word for BeOS support as a Guest OS. Update: I downloaded the latest beta version and BeOS loads this time, without crashing. While it is loading very fast in the beginning, when it is going to graphics mode, because the VMWare virtual graphics device does not expose the VESA standard, the performance falls so much that hits the disk pretty hard. Normal BeOS boot time is 12 seconds when launched natively, under VMWare it takes up to 5 minutes on a dual Celeron 533 under Win2000 and of course it is so slow (please remember that all this slowness is just because of the unsuported gfx subsystem that makes the rest of the launching process and the OS to be unresponsive) that it is completely unusable. Screenshot here.

PostgreSQL vs MySQL, a Year Later

"To many people, PostgreSQL and MySQL seem like similar, alternative databases. Both are quickly gaining popularity. Based on the track records of older versions, there's a lot of debate over the speed of PostgreSQL and the durability of MySQL. But times have changed and each database has progressed. On both counts, the two packages are the closest they've ever been, so when deciding which to use in a Web application, a developer doesn't always have a clear winner. If you're looking for a database to prop up a Weblog or portal, you'll find that many such packages rely on MySQL. It should be possible to port them to PostgreSQL, but if you're looking for a turnkey package, chances are you're not interested in doing too much porting work. If you're migrating from Oracle, Sybase, or Microsoft SQL Server, I suggest PostgreSQL. Like those databases, PostgreSQL has triggers, stored procedures, and a rich set of built-in functions (including many functions for date manipulation). Also, PostgreSQL procedural language is easy to learn if you're familiar with Oracle's PL/SQL and SQL Server's Transact-SQL." Read the whole shootout article over at WebTechniques.

First Glance at nVidia’s nForce Glue Chipset

FiringSquad takes a look at nVidia's first offering of motherboard chipsets, the nForce, which reportedly has some interesting features including 3D capabilities. The reviewer concludes that "Now that you've seen everything NVIDIA is offering with nForce, you see why we feel this is a groundbreaking product -- quite literally there isn't anything else on the market with such powerful features! Even if you don't like them, you've got to give NVIDIA a lot of respect With nForce, NVIDIA has turned itself into a powerful competitor in a little over a year!"

Dennis Ritchie Put the C in Compiler

He invented the C programming language. He is one of the co-creators of Unix. He has watched more than one multi-billion dollar industry evolve around his creations. And still, Dennis Ritchie shows up for work each day in the same Murray Hill, NJ office where he and Ken Thompson first ran Unix on a Digital Equipment Corp. PDP-7 back in 1969. Why? Well, it's not just any old company that employs Ritchie. This is Lucent's Bell Labs we're talking about ­ the home of the laser, the place where the transistor first saw life. It's a pretty exciting work environment, and, as Ritchie is fond of saying, it's nice to walk around your office and stumble into things like canisters of liquid helium. It was at his nondescript office, right next to where Unix was invented, that Ritchie met with Linux Magazine's Robert McMillan and Adam Goodman." More at Linux Magazine.