Databases

What Would You Want to See in Database Benchmarks? 42

David Lang asks: "With the release of MySQL 5.0, PostgreSQL 8.1, and the flap over Oracle purchasing InnoDB, the age old question of performance is coming up again. I've got some boxes that were purchased for a data warehouse project that isn't going to be installed for a month or two, and could probably squeeze some time in to do some benchmarks on the machines. However, the question is: what should be done that's reasonably fair to both MySQL and PostgreSQL? We all know that careful selection of the benchmark can seriously skew the results, and I want to avoid that (in fact I would consider it close to ideal if the results came out that each database won in some tests). I would also not like to spend time generating the benchmarks only to have the losing side accuse me of being unfair. So, for both MySQL and PostgreSQL advocates, what would you like to see in a series of benchmarks?"
Communications

A Skype Equivalent Without "Big Brother"? 73

Slimy Devil asks: "News.com has recently reported on the FBI seeking veto power over PC software. This makes me wonder: is there a safe, provably secure VOIP-like technology out there? The recent buyout of Skype probably means that the supposed encryption will be of little value, if you are of the opinion that the FBI or other law enforcement agencies shouldn't be able to tap in on demand. So, for my question to the Slashdot community: is there a viable alternative that is free of such concerns?"

GCC 4.1 Released 343

Luineancaion writes "Looks like GCC 4.1 has been released. From what I know this includes the GNU Classpath merge and means that Azureus can now be used in a 100% Free-Software system. Thanks to everyone that worked on it, and keep up the good work!"
Wireless Networking

Is There Too Much Enthusiasm Over Wireless? 284

lukOh asks: "in the US, 802.11b/g (2.4Ghz) devices use an 83Mhz-wide frequency range; in-use channels spanning 22Mhz and centered on one of 11 5Mhz steps (badly named as "channels"). This means there should be no more that 3 networks in close proximity, 5 'channels' far from each other, to avoid harmful interference. Now, in the middle of the mixed area where I am, the number of usable WLANs (SNR>20dBm) has gone from 10 to an unworkable number of 20, in just one month. Has the community/the market overestimated the practicality of wireless networks? Are we generally relying too much on such a young, IMHO immature technology made on 'startups hope' and broken firmwares? How can this mess possibly be handled in a working environment, especially the moment your boss asks you to give him access to 'the wireless'?"
Programming

Building Distributable Linux Binaries? 128

Grubby Games asks: "I make games for a living, and I want to ensure that my games will run on as many Linux distros as possible. However, since I distribute binary game executables, the programs often fail to run on certain distros because of missing dependencies, and so forth. So, how do the Slashdot Linux gurus handle this situation? I've heard a number of theories on the subject, but have yet to find one that results in 100% cross-distro compatibility. Is it even possible, short of distributing source code?"

Geeky Gifts for New Dads, The Goodfather 187

The Moose at Dr.MOZ writes "The Goodfather, 'for the baby he can't refuse.' The Goodfather is a custom-boxed CD-ROM that teaches new dads hundreds of baby skills and baby related definitions through a fun parody of a famous American gangster epic (The Godfather). The baby/parenting topics in The Goodfather CD-ROM were selected for men by experienced dads and grandfathers, and edited by licensed nurse-midwives to ensure the material is medically sound. In addition to the hundreds of baby skills lessons and definitions, The Goodfather also has a Baby Name Book with approximately 15,000 baby names and a Baby Card Maker which allows new dads to make and print their own baby cards. New dads choose from dozens of "new dad" card-types with provided art, or they are able to import JPGs to create their own customized baby cards! The Goodfather runs on both Windows® and Macintosh® systems and is proving to be the next 'must have' gift for the sometimes ignored new dad on the baby shower list."
GUI

Balancing Use Between the Keyboard and Mouse? 121

initialE wonders: "A friend of mine, working for a bank, mentioned to me that she had just undergone training for the migration of applications from their legacy systems (think DOS-based interface, AS400 powered) to a snazzy new web application. Whereas the younger users were impressed by the bling it provided, the older users were less happy, and the reason provided was that the application lacked shortcut keys to doing their most common tasks. The newer staff were mighty pleased not to have to learn all those arcane commands, of course. This led me to consider a few things. I administer Windows-based systems, and more and more I am choosing to use whatever key-based interface is available - I don't even use the file explorer anymore, preferring to type 'WindowsKey+R', and typing in the file path (Windows helps with auto-complete). It's better for me to keep my hands on the keyboard and not touch the mouse. It's certainly not because my mouse is bad, I just don't want to release the focus on the keyboard. And it works - I get things done a lot faster than anyone else in my department. Have we placed too much emphasis on making GUI-based applications, and left behind what was a perfectly good way of doing things?"
Communications

Email On Both the Desktop and the Laptop? 69

RapterOfParadox asks: "I recently purchased a new laptop and have everything configured except for my e-mail. I've always liked having a single location where I know my e-mail is safe, secure and gets backed up automatically. If I've needed access to new messages then I use webmail, since I close down the email client when I leave the house. I'm currently using Outlook XP for my desktop and was thinking about using the same for my laptop. My only issue is that I'm a little weary about using only my laptop for storing e-mail, since it's a lot more likely to fail. I've been thinking about just synchronizing my Outlook data directories at login, or even using IMAP. Has anyone seen/bought/built an e-mail client that will allow me to have my main e-mail client on my desktop and then update my laptop e-mail client when ever I'm in range, or through a personal IMAP Server?"
Education

Recruiting IT Students? 631

spacemonk asks: "I teach at a community college and our enrollment numbers are down in our IT programs. We have found that many have the perception that there are few IT jobs. We feel this is causing many students, who might be interested in IT, to enroll in other programs. There is obviously a lot of conflicting information regarding the impact of off-shoring, and so forth, but much of what we have found indicates that the IT job market is improving, and IT is still a career that can offer job opportunities to students. For example, we have had internship opportunities that we have not been able to send candidates to, simply because we don't have the students. Needless to say, this is very frustrating. How would you honestly describe the IT job market to students considering this major? What can be done to recruit more students into IT programs?"
Technology

Building PCs - How do you Choose Your Components? 106

ATP asks: "It's been a few years since I built my current system by ordering parts from the cheapest vendors I could find. Everything went smoothly with very little research, and my system is still running great today. I'm now looking into building another desktop system, but I've become quickly overwhelmed by how complex components have become. In particular, motherboard/CPU compatibility are confusing (think: single/dual, socket 478/604/754/939/939pciExpress/940/LGA775, OS compatibility, memory types, etc). Is there a guide to the not-so-novice PC guru somewhere that would help me catch up on the developments in the last couple years?"
Biotech

Organizing Organic Chemical Reactions? 77

thethinkingilia asks: "I am studying organic chemistry and I am seeking an intelligent way to organize all the reactions that I am responsible for memorizing. In general, one can think of this as a directed state machine where a functional group can be transformed to another functional group given set conditions. It must be robust enough to allow for tens of states, the possibility of connection between any of said states, and be able to display not only the states, but conditions for transition between these states. This could be accomplished with HTML hyperlinks, but it would be great to have an elegant flow chart-type solution. Please, help me bring some software sanity to the life sciences!"
Networking

Wireless/Wired Router Solutions for 2 Networks? 73

DaveTheBrave asks: "I'm currently running a home based business on an el cheapo Netgear wireless router off a broadband cable modem connection. I'm looking to upgrade to something better with more flexibility. My in-laws recently sold their home and will be moving into my home temporarily while they are building another. They have a home based business and my mother-in-law is also notorious for attracting viruses, adware and other nasty stuff on her PC (which I have to routinely clean - hence my need for a better network solution). What is the best/easiest solution to segment and keep separate my network from theirs (both wired and wireless) off of one incoming cable modem? I'm looking for something around or less than $500."

Ask The Mythbusters 1435

Who are the Mythbusters? Adam Savage and Jamie Hyneman are the hosts of a unique and popular television show on the Discovery cable channel. Working from a background in the special effects industry and shooting on location at effects warehouse M5 Industries, Jamie and Adam attempt to shed light on hearsay, rumour, and myth. Along the way they usually run across a little bit of science, too. Today, you have a chance to put questions to them. We'll take the 15 best questions and pass them on to the gentlemen to be answered sometime soon after the Thanksgiving holiday. One question per comment, please, and keep things topical. We'll post their responses as soon as we get them back, so ask away.
Programming

Finding a Ready-Made Dev Team? 294

marshrew writes "We are a small startup just coming out of a period of R&D with IP and prototype code (containing open source, commercial & freelancer-built custom components) developed/integrated in-house by essentially one guy. We're at the point where we want to build out first commercial implementation which will require a handful of developers for at least six months. We really don't have time or funds to go through a developer recruiting cycle, create a practice, get the team "gelled" etc. What we'd really like to do is find a small pre-existing team which which we could form a relationship to get our product out the door and possibly continue working with. We don't mean a splinter group from a larger dev house, but an agile, self-contained team, who enjoy working together and have an existing practice. Geography is not a problem as we are used to working in a distributed manner." Does such an animal exist? What have other teams done in a situation like this?
Software

Batch Cataloging of Scanned Documents via OCR? 31

munwin99 asks: "I am looking for some software to process a batch of images (scanned forms). We want to use Gallery to view the images, and be able to search them by 3 or 4 attributes. We want to get these attributes from the form (date, name, etc). We want it to check a section of the scanned form, read the info from that section(s), and dump the retrieved info into Gallery (using OCR / ICR). Is there any (preferably) free or open source software that can do this? Supported OSes should include either Windows, Linux or Mac OS X. Even Gallery is optional, if someone has a better suggestion."

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