development

Agile Methods and feedback

April 5, 2003 23:52:05.621

I posted here and here on a discussion that cropped up on the XP mailing list yesterday. This C2 page summarizes the whole point I was trying to get at nicely.

 Share Tweet This

development

More on Agile Methods

April 5, 2003 21:45:22.590

I posted earlier on an XP mailing list thread - here's more:

Orthogonal to ROI?

egb:Yes, these really are different values - but I am not claiming that they are completely independent values. There is certainly a time value to money, meaning that if you can reduce the time-to-availability, there is indeed an economic value. However, I would argue that minimizing time-to-availability is not necessarily equivalent to maximizing return on investment.

Time to availability is perhaps the most important value.

Egb: In some domains, yes, but it is not fair to generalize this to be the primary value in all domains. If I'm writing embedded software for a toy, accelerated time-to-market has value but there is likely greater value attached to reducing per-unit cost...shaving off cents will make a difference in a mass market item (i.e. spending time to squeeze code into a smaller ROM footprint). If I'm writing an avionics control system, I probably have some hard final code complete date and accelerating availability will likely contribute to risk reduction (and thereby will have some economic value) but my return on investment will likely be more impacted by architectural initiatives that drive to economics of scale.

ok - first off, you picked two rather extreme examples. I'd warrant that most people reading this group are building more prosaic business systems - and in that case, your examples don't mean a lot. But even within those systems:

  • embedded software in toys or games - if you don't get something in front of the customer fast, you have no market. The toy and game markets are perhaps the prime example of time to market being king; spending a lot of time on design in that space will ensure that you never get a product sold, plain and simple.
  • Avionics - economics of scale in the manufacturing sense don't apply the same way to software. we can assemble large factories with machine tools and robots to spew out parts; we can't do anything even vaguely like that in software. I'm not at all sure that I get your point here at all, honestly

...

Why? Because you can then tell whether a development project is on track or off track. Being on or ahead of time has a value of its own, and tends to build ROI (or prove quickly that there will be no ROI).

Egb: yes, but my point is that this does not necessarily optimize ROI....reducing time-to-availability does force early risk identification, which is certainly an element of ROI, but it is not the only element of ROI: what is outsourced? How small do I squeeze down my development staff? Can I achieve some economics of scale by earlier architectural investigation?

IMNSHO, if you are considering outsourcing of development, you better outsource the whole thing. Trying to run product management and design here, and development there (where there is 12 hours in tz distant and the culture is different as well) is a just silly. Those who think otherwise will answer differently when asked "Why not outsource marketing?", or "why not outsource all C level staff?" Economies of scale? In software? I truly have no idea what you mean by that. Large teams of developers are a mistake.

...

and - not to put too fine a point on it - if the cost of developing software gets to be that much of a problem as the business grows, then there is a severe business problem that needs to be fixed.

The cost is a symptom of a much bigger problem in that case.

Egb: if you take the automotive industry as an example, reality is that cost is increasing - and not just the total dollars spent, but the relative dollars spent as a percentage of the cost of a car.

Egb: Does this constitute a

If their costs are rising in a well understood business, they have a problem. It's truly that simple. I don't know what they are doing wrong, but I'm sure that they are, in fact, doing something wrong.

Second, getting features in front of end users quickly is optimizing. Getting them there slowly after some sort of complex ROI process is a fools errand. Why? Because in general, without feedback from actual users, it's unlikely that software that solves real problems will be produced

Egb: so, I think we have the two basic issues at hand: first, you would seem observe that time to availability is the most important value - I would agree with you for certain domains, but I would not agree to the generalized statement of applying this to all domains; second, you would seem to suggest that minimizing time-to-availability is tantamount to maximum ROI - I would agree that there is an influence, but I would again argue that there are many other elements that make up an ROI.

IMHO, it's true for any domain I can think of. In domains where something seems to prevent it, I suggest that the entire development model is screwed up, and needs fixing.

 Share Tweet This

development

ROI and Agile Processes

April 5, 2003 17:38:24.105

I saw this in the XP mailing list on Yahoo. egb refers to Grady Booch, for context purposes.

There aren't 10-12; there's only one:

- minimize the time between specifying a feature and letting end-users benefit from it

egb: It finally strikes me in reading your message why we sometimes see angst from management as to the business value of agile stuff: the characteristic you suggest is orthogonal to return on investment (this is not to say that they are unrelated, but rather that they are very different measures of success and value). Reducing the time-to-availability is certainly a good value to pursue, but it is not the only one that organizations must embrace - as organizations grow larger and the cost of developing software becomes a relatively large capital expense for the business as a whole, achieving a return on investment becomes a greater driving factor.

Orthogonal to ROI? This is exactly what is wrong with BUFD - you spend so much time determining whether a thing is valuable, that by the time it gets delivered, the ROI has approached zero. Time to availability is perhaps the most important value. Why? Because you can then tell whether a development project is on track or off track. Being on or ahead of time has a value of its own, and tends to build ROI (or prove quickly that there will be no ROI). I don't think it would be possible for me to disagree more with the above sentiment.

And - not to put too fine a point on it - if the cost of developing software gets to be that much of a problem as the business grows, then there is a severe business problem that needs to be fixed. The cost is a symptom of a much bigger problem in that case.

 Share Tweet This

development

So close, And yet

April 5, 2003 16:25:05.294

Writing on Eclipse, Ted Leung writes

Carlos responded to my response (Carlos, I was at the IBM Center for Java Technology in Silicon Valley -- I was part of the team that brought you XML4J, now known as Xerces-J.): The Eclipse environment in the programming language arms race is equivalent to those JDAM GPS guided bombs. These weapons are cheap, it changes the battlefield in a revolutionary way. So the next time someone argues to you that C# has a nice syntactic feature, show him how Eclipse makes that irrelevant.

Yes, for the uninformed masses who haven't seen Smalltalk or Lisp. For those of us who have, it's yet more reason to ponder the snails pace of progress in the "mainstream" of development...

 Share Tweet This

humor

Here's a cartoon worth following

April 5, 2003 12:54:58.067

I stumbled across this cartoon recently - very amusing. Something I can definitely identify with...

 Share Tweet This

development

Alan Kay in the News again

April 5, 2003 11:54:47.535

David Buck pointed me to this Slashdot piece this morning. Alan Kay is still doing his The Computer Revolution Hasn't Happened Yet talk. Here's some excerpts:

While at Xerox PARC, Kay invented Smalltalk. Although the present day hot OO languages, Java and C#, make a lot of their C-like syntax, much of their real roots can be found in Smalltalk. In addition to an OO language, Smalltalk was also a development system and an operating system for Smalltalk programs. The five person Smalltalk team at PARC created both the software and the hardware to run it on. As a result, Smalltalk applications performed quite well on these systems.

In the 1980s, Kay explains, Intel and Motorola were not producing processors that could run these higher level languages. As a result, programmers interested in performance were programming in C and early bound languages. When Stroustrop developed C++ he wasn't trying to emulate the work done at PARC, he was creating support for objects using a preprocessor for C. The relationship between C++ and C was much like the relationship between SIMULA and Algol. Kay sees Java as falling between Smalltalk and C++. In some ways it is an improvement, in other ways it is mainly C++ with garbage collection. One of the most obvious deficiencies of Java, says Kay, is that "Java has a difficult time of adding to itself."

Go have a look at the whole article - it's well worth reading

 Share Tweet This

general

Being away for a week meant...

April 5, 2003 0:05:35.833

Missing Angel and 24! Thank goodness for the Replay....

 Share Tweet This

BottomFeeder

BottomFeeder import/export tools

April 4, 2003 17:50:05.361

One thing I'm hoping will happen with the new import/export tools for BottomFeeder is a greater ability on the part of potential users to try the tool out. Bf now imports OPML, OCS, and RSS exports, converting them to a set of subscribed feeds. It likewise can export subscribed feeds as OPML, allowing easier interchange in that direction as well.

 Share Tweet This

development

Not "Getting" RDF

April 4, 2003 17:50:00.489

So in Meerkat's Open Source Column, I see this:

Of course Sean is dead wrong as to the salient matter, but he's always a good read. RDF is for people who understand directed graphs. If you take any random audience, this is, of course, a small proportion. Same story for forensic histology, but I doubt Sean would moot for closing down all the crime labs. The argument that "not everyone can get RDF " is not worth any number of words. The more interesting point is that anyone who can't get RDF can't get relational databases or any other sort of formal information modeling, and they can't get code (both flow of control and declarative algeras are graphs more complex than RDF). For those outside this set, as Sean points out too obliquely, there are plenty of tools and they needn't deal with RDF directly

Yeah, right. Here's two words on RDF:

Needless Complexity

 Share Tweet This

cst

Release Planning

April 4, 2003 17:49:55.148

The planning meetings this week were too short, but also exhausting - start at 9, go until 7. Then hop back on a plan to get back home. At least I wasn't insane enough to take a red eye this time around. On the other hand, I got stuck - again - on the old TWA equipment American Airlines runs - no power at the seats! Since my notebook spends most of its time plugged in, the battery life is awful.

There was a plus side to that, of course - I read a couple of not terribly memorable, but interesting enough yarns. I'll spend the next few days sorting out how the meetings went, and then I'll have to go and edit our internal wikis to reflect the results of my cogitation. I'll also have to update the public wiki - with VW 7.1 and OS 6.8 out, it's time to start posting a coming attractions page for the next release.

Our current plan calls for the next release in the fall, likely November. That will keep us in the regular schedule we have been trying to hit - and also set up the follow on release to synch up with Smalltalk Solutions 2004.

 Share Tweet This

development

REST vs. SOAP redux

April 3, 2003 16:38:29.733

More news from the REST vs. SOAP front, via Slashdot:

tadghin writes "I was recently talking with Jeff Barr, creator of syndic8 and now Amazon's chief web services evangelist. He let drop an interesting tidbit. Amazon has both SOAP and REST interfaces to their web services, and 85% of their usage is of the REST interface." Read on for some more thoughts and information on REST and Web services, including information about a free Web services seminar on April 22nd.

" Despite all of the corporate hype over the SOAP stack, this is pretty compelling evidence that developers like the simpler REST approach. (I'm sure there are applications where SOAP is better, but I've always liked technologies that have low barriers to entry and grassroots adoption, and simple XML over HTTP approach seems to have that winning combination.)

This is pretty much how it's going in the blog world as well - when developers choose, they choose simple....

 Share Tweet This

smalltalk

Sam Gentile has noticed S#

April 3, 2003 14:50:27.247

Sam Gentile has a new post about S#:

Very cool... simplegeek

Yes it is and something I will be looking into and writing about. "S# is not a scripting language in the sense that it's any less powerful than other .NET languages; instead, it's a scripting language in the sense that it doesn't require strong variable typing in other words, it's a dynamically typed language. . . Beyond that, you can perform operations impossible in VB.NET or C#. " - Like Jason and his upcoming Win-Dev session, I am always interested in moreof the CLR from the internalperspective or "alternative Langauges" aspect of .NET to keep things interesting.

 Share Tweet This

development

Interest in RSS Grows...

April 3, 2003 14:38:48.268

Now Microsoft is using it for MSDN updates - see Rob Fahrni's blog for details. Specific RSS Links via Tim Ewald

 Share Tweet This

BottomFeeder

More BottomFeeder file importing

April 3, 2003 13:59:22.779

I've just added an RSS Import to BottomFeeder. Numerous tools export feeds as either RSS, OPML, or OCS. BottomFeeder can now handle all three. In the case of RSS, the feeds get listed as items. In any case, BottomFeeder can now import all three formats, and export as OPML. This should make it easier to test the tool out.

 Share Tweet This

cst

Cincom Smalltalk 7.1 Release

April 3, 2003 11:34:11.133

Cincom Smalltalk spring 2003 will be released on April 7th. Engineering formally released the product last week, and the only thing left now is CD production and product shipments to our subscribed customers. It's a great release - check this page for details.

 Share Tweet This

BottomFeeder

New BottomFeeder features

April 3, 2003 9:06:33.965

I've managed to get a few interesting new BottomFeeder features done in the last two days:

  • Import from OPML File - You can now import an OPML file (in the format used by syndic8 into BottomFeeder. The imported feeds will be added to a new folder under the subscribed list
  • Import from OCS File - You can now import an OCS file into BottomFeeder. The imported feeds will be added to a new folder under the subscribed list
  • Add Feedlists from an OPML source (such as syndic8).

One of the complaints I've received in the past is that BottomFeeder cannot have feeds added from local export files (say, from other RSS aggregators). If you can get your feeds into OPML or OCS format, that's no longer the case.

 Share Tweet This

development

Look at all these new RSS Feeds

April 2, 2003 22:08:06.820

Via Matt Croyden

Follow the link for all the feeds - 12 from Cisco alone!

 Share Tweet This

BottomFeeder

New BottomFeeder Features

April 2, 2003 17:11:01.352

I added OPML support to BottomFeeder today. What can the system do with this?

  • BottomFeeder now supports OPML (as done by syndic8) in addition to OCS for feed lists
  • BottomFeeder can export the subscribed feeds as an OPML file. This flattens all feeds into a single folder, but does allow export
  • BottomFeeder can import OPML based (as done by syndic8) feedlists from a local file, and convert that into a set of subscribed feeds

Numerous people have requested this feature.

 Share Tweet This

development

Alan Kay on the Computer Revolution

April 2, 2003 16:35:53.517

I got this in email as a response to this post:

Last night I read a piece by Dr. Alan Kay. Within the article is a section "Most of current practice today was invented in the 60s". It goes on:

"It is worth noting the slow pace of assimilation and acceptance in the larger world. C++ was made by doing to C roughly what was done to Algol in 1965 to make Simula. Java is very similar. The mouse and hyper-linking were invented in the early sixties. HTML is a markup language like SCRIBE of the late 60s. XML is a more generalized notation, but just does notationally what LISP did in the 60s. Linux is basically Unix, which dates from 1970, yet is now the "hottest thing" for many programmers. Overlapping window UIs are one of the few ideas from the seventies that has been adopted today. But most of the systems ideas that programmers use today are from the data- and server-centric world of the 60s.

The lag of adoption seems to be about 30 years for the larger world of programming, especially in business."

This, as you might expect, leads us to believe that the time for Smalltalk (and Lisp?) is about to come?

 Share Tweet This

community

New Store Support from the Community

April 2, 2003 16:14:35.529

I'm copying this from the vwnc mailing list - there's now Store and EXDI support for SqlLite. go here for details.

I've written an EXDI and Store interface for Sqlite (http://www.sqlite.org/) databases. It works on my machine under linux and windows (wine, really). And I think Sqlite is quite neat for local repositories, because the setup is so easy - you just need one dll/shared library where VW can find it. No server process, no configuration files.

The bad news is it's new and untested. While the feature set I use seems to work, that's about all I can claim. There were also some problems with Sqlite's view implementation; a large part of the code is workarounds. So I don't want to put it in the open repository until a few more people have used it.

I did put it on a web page: install instructions and downloadable links are at http://www.gjdv.at/cgi-bin/pyson.cgi/en/vwsqlite.pyson

If you do give it a try, I would suggest to also use a "real" repository, or "Publish as Parcel" on a regular basis ;-)

Enjoy, Juergen

 Share Tweet This

development

theory - go to Web Services, save money

April 2, 2003 13:41:49.219

Spotted on Loosely Coupled:

The bad news for the IT industry is that CIOs have realized they can spend less and achieve more, using web services. Instead of investing in new systems, they want to get more out of the systems they've already got. Here's what they've been saying at InfoWorld's CTO Forum this week:

  • "We've got to rationalize our investments. We've been spending $4 billion a year for years. We need to get more out of it," says Merrill Lynch's chief technology architect, Rick Carey.
  • "When we looked at our core assets, we had lots of services our customers were not using. The problem was [the services] were not flexible and convenient enough," says senior Verizon IT executive Luis Lando.

The really bad news is that they can expose and link those web services without having to invest in expensive new integration systems. They don't even have to buy application servers, according to Cape Clear founder Annrai O'Toole

Hah! Anyone who thinks that exposing via web services will be easier than - say CORBA - hasn't tried it both ways.....

 Share Tweet This

blog

You probably some some duplicate postings this morning...

April 2, 2003 9:02:17.205

My posting tools are apparently posting through the proxy server (I'm on dialup at the hotel) - but telling me that they aren't. Then there was IE's complete refusal to browse with the proxy server, while Netscape seems happy. Sigh....

 Share Tweet This

development

Computer Revolutions and where they come from

April 2, 2003 8:52:23.685

The Fishbowl has some interesting thoughts on where software revolutions come from:

Look at Java, recently described on Bruce Eckel's weblog thusly, citing Paul Prescod: "He called COBOL and Java neanderthal languages that have no descendents on the evolutionary tree.". Java has great libraries and right now, great momentum, but it's a dead-end. It has no future. It has nothing to evolve into. Its only likely long-lived descendant is C#, a language that, if it survives, will do so for the same reasons that Visual Basic survived so far beyond BASIC's use-by date. This is the source of my disquiet about Web Services. Microsoft are telling me they'll be big. IBM are telling me they'll be big. Some very respected developers are enthusiastic, but most are sitting back wondering what the fuss is, and have been for three or four years now. The momentum just hasn't gathered. SOAP and XML-RPC are both great solutions to a particular range of problems, but we're just going to have to face the fact that the chance of them becoming a revolution, as promised, are slim. Shortly, some technology is going to appear and blow my socks off. But it's more likely to appear in some experimental corner of JBoss 4.0 than it is in J2EE 1.4 or in .NET. And it's quite likely going to appear in Python or Ruby, or even coded in C by some college student or lab assistant who has thought of a really neat way to solve a real problemin the real world, and wants to share that solution with the rest of us. And we'll take it, and use it in ways the inventor never dreamed of. That's where revolutions come from.
I'm seeing more and more evidence that developers are ready for something else. The Smalltalk Community needs to be prepared if we want to be one of the answers

 Share Tweet This

itNews

C++ Back to Lisp?

April 1, 2003 18:48:17.378

And another April Fools joke, via Lambda the Ultimate:

In a move which surprised industry analysts, Yahoo, Inc. has confirmed that the software which runs Yahoo Store, which was in the process of being converted from its original implementation in the computer language lisp to the C++ language, will be converted back into lisp as soon as possible. A Yahoo spokesman, who requested anonymity, had this to say: "Boy, that was really embarrassing. See, the reason we wanted to get rid of lisp is that none of us could read any of the code because of all those silly parentheses. But just last week, we found a text editor (called "emacs", I think) which has this amazing feature -- it actually can highlight the opening parenthesis that corresponds to a closing parenthesis. That just blew us all away. Once we had that killer feature, we knew that it was in our long-term interests to go back to lisp -- it's much more flexible than C++. Unfortunately, we'd already converted everything to C++ already... if any lisp programmers are reading this, you might want to fax us your resume." The spokesman went on to say that he'd heard great things about something called "closures", which he believed were a way to seal code against bugs or something like that.

ROFL

 Share Tweet This

itNews

April Fools!

April 1, 2003 18:45:56.830

Remember that "MS Buys Squeak" April Fools trick from a few years back? Well, someone put together a MS buys Linux trick this year:

At a small press conference in Nepal, attended by two Sherpas and a Yak, as well as a THG stringer, Microsoft spokeswoman Avril Wonful announced that the Redmond company had acquired Linux. Although this surreptitious attempt by Microsoft to kill the Open Source community was supposed to go unnoticed, THG sources had long known that Microsoft executives were holed up in a Buddhist monastery in the area, meditating and trying to achieve greater self-awareness.

Go read the whole thing....

 Share Tweet This

general

After a long, tiring flight...

April 1, 2003 18:38:02.795

I should resolve never to fly on the old TWA equipment again - all the way to California, and no power at the seats!!!

Sigh. I did get most of a BottomFeeder export feeds as OPML done. So anyway, here I am at the engineering meetings, imparting my views of where we need to go, and getting the reactions (and vision) of the engineering group. Like any other engineering group, it's akin to getting a bunch of cats moving in synch (i.e., nearly impossible). However, this is a great group of people - one I'm very proud to be working with. I'll likely have more to say on the meetings later, but now I have to listen to Eliot talk about his technical vision for VisualWorks.

 Share Tweet This

general

Ack! 5AM?

March 31, 2003 23:18:48.770

I'm heading to our engineering planning meetings in Santa Clara tomorrow - my flight leaves at 5 AM. I'm not even sure I believe that time of day exists....

 Share Tweet This

BottomFeeder

New TypeLess plugin out

March 31, 2003 21:36:39.910

I've updated the TypeLess IRC Client plugin for BottomFeeder. Check the Upgrade Manager to grab it

 Share Tweet This

general

Overheard from my wife....

March 31, 2003 20:45:21.063

Where's my ls -ltr? The date field in Explorer is populated by evil aliens! Nothing lines up!

heh. Another satisfied Windows user....

 Share Tweet This

blog

Blogs in the mainstream redux

March 31, 2003 19:54:07.669

More evidence that blogs are hitting the mainstream, via InstaPundit:

CULTURE WATCH: Just seen on the bottom of the CNN Headline News screen:

Gary Hart Cyber Campaign Starts blog on possible 2004 presidential bid

Delightful, isn't it, that they felt no need to explain what a blog is?

As I mentioned yesterday, it's not the issues being raised on these blogs that I'm interested in here - merely the fact that blogs are being used more widely. I knew something was up when I got interviewed by the Lehrer Report, and now CNN is mentioning blogs in passing.

 Share Tweet This

development

Consulting companies and software...

March 31, 2003 19:43:34.213

I posted on the conflicts of interest of consulting companies yesterday - now comes this report from the Register on ROI and large ERP installations:

Most customers surveyed had used SAP software for close to three years and 57 per cent of them said they've paid more for the code than it's worth.

The average cost for a three-year SAP deployment is $10m, with consulting accounting for $3.6m, personnel soaking up $2.5m, software licenses another $2m, and related hardware and training costs picking up the rest of the tab.

Companies surveyed saw some benefits from workers being able to manipulate data more quickly with SAP products and better company-wide access to information. "However, a positive return on the SAP investment was achieved only when there was both a sufficient number of users and sufficient frequency of use (breadth and repeatability) to reap significant productivity based gains from the solution," Nucleus writes.

Now stop and consider who is helped by this sort of thing - typically, a large consulting firm sends in tons of bodies to implement this sort of thing. Think of the billable hours behind a full installation of something like this - is it even possible for a consultancy to be objective? At least with the vendor, you know where they are coming from - they want to sell you the tools. But the consulting firms put on an air of neutrality, and then recommend paths that - surprise - would result in lots of billable hours

So when you see a recommendation from (insert consulting firm here) to migrate your Smalltalk app - you know, the one that actually works - to Java, or .NET - ask yourself who benefits. At the end of the exercise, if it succeeds, you are right where you started - you have a working app. The consulting firm, having taken you zero feet forwards, is now much wealthier - at your expense

 Share Tweet This

general

In like a Lion, out like a Lamb????

March 31, 2003 15:53:53.112

Someone's not with the program - it's snowing here, again! Probably not a serious snow, but it's cold enough to snow, which is bad enough....

 Share Tweet This

BottomFeeder

Truly dumb Bf issue

March 31, 2003 13:17:37.191

If the line

upgradeURL='http://www.cincomsmalltalk.com/BottomFeeder/upgrades/dev/'

In btfSettings.ini

doesn't have a trailing /, add one. You can omit the dev if you don't want to point at the dev build updates. Dumb bug, being addressed in the new stuff.

 Share Tweet This

BottomFeeder

New Bf updates

March 31, 2003 12:54:39.128

I just changed the update manager to use a progress dialog. Dohh, there's something I shouldn't have had to be asked!. Anyway, the latest updates are in the process of being uploaded to the 2.9 dev build area. In the meantime, the updates are available via BottomFeeder's upgrade manager.

 Share Tweet This

smalltalk

Why Not Smalltalk?

March 31, 2003 11:35:34.554

Via Golb

It's amazing how quickly something can become the de facto standard in our industry. Take Java, for instance. It's not even a decade old and already companies, universities, and independent programmers have eschewed all other choices in favor of the dark brewed wonder. But, from a technical standpoint, does Java really deserve this rapid exaltation?

If you're comparing Java to C++, it does have some immediately nice aspects. However, one doesn't always have to compare everything to C++. Further, I still believe there are instances where C++ is the correct choice and not the hindrance it is often portrayed to be. However, it's obvious to me that many companies are not building their internal enterprise infrastructure with C++ and instead are choosing Java because it seems close enough to C++.

What if, instead of comparing Java with C++, we compare it with Smalltalk? After all, Java was inspired more by Smalltalk than C++. Smalltalk is positioned to service the same set of problems as Java, namely enterprise business software. In addition, there are several Smalltalks on the market that easily put Java to shame for the development of shrink-wrap software.

Have You Considered Smalltalk?

The sad part is, many people haven't considered it because they simply don't know what they don't know...

 Share Tweet This

development

Urban Myth, or Consulting Company Perfidy?

March 31, 2003 11:01:02.087

I lean towards the former, but this is an interesting post:

When I read this: "Smalltalk is such a productive language that consulting companies and development managers are avoiding it. Consulting companies are avoiding it as the billable time per project is several times shorter. Managers are avoiding it, because with Smalltalk they would not have that many developers to manage and thus it would decrease a need for managers.. --Vlastimil Adamovsky"

I start to wonder why people are always doing the same mistakes. Newspapers talks about Java and C# because it is more cool !!

I talk to a friend from the states. He works only on Java projects because it takes more time than Smalltalk. But his product is in Smalltalk !!!

So if you have any good reason why so many persons kill Smalltalk let me know.

 Share Tweet This

general

Frelling Power Company...

March 31, 2003 9:06:48.997

BGE decided to grace us with another micro-outage last night - just long enough to knock the Linux box off the air, apparently. It looks like my battery backup is shot, because the outage was well less than 20 minutes. Sigh. Now I need to buy a new backup and get that installed before going to CA tomorrow......

 Share Tweet This

development

Making XML parsing more leniant

March 30, 2003 19:35:52.968

I ran across an interesting problem today. I was trying to add a feed, and it wouldn't parse. Nothing looked wrong on a casual view in IE, so I inserted a break point at the start of the XML parsing to see what was happening. The RSS feed in question is here - if you look carefully, you'll see an invalid character in the first entry. At least as of the time of this posting :)

I decided that I ought to allow such feeds through, so I took a look at the XML Parser. Overriding #next in StreamWrapper did the trick, but I wasn't satisfied with that - if BottomFeeder was loaded into a dev image, my hack was going to affect all uses of the XML parser. I had already subclassed the XML parser to prevent that problem; I wanted to subclass StreamWrapper as well.

It turns out that it's referenced 6 places - changing all six from direct refs to something like this:

StreamWrapper blah

to

self streamWrapperClass blah

did the trick. Modified the six methods, and implemented the method above in XMLParser and in my subclass. That allows me to modify as I want, without hosing off other XML clients (like, say the source manager in VW). It also allowed me to add the feed I mentioned above to my subscribed list, which was my original goal. I think I've made the parser more pluggable by doing this. Anyone else have thoughts on it?

 Share Tweet This

blog

Blogging is hitting the mainstream

March 30, 2003 18:16:13.507

Not only are there a variety of blogs covering the war from the field, but now - potential Presidential candidate Gary Hart is running a blog. I'm not commenting on the content of either blog here; merely pointing out that blogs are being used by more than just pundits and tech weenies now.

 Share Tweet This

BottomFeeder

Trying an update fix for BottomFeeder

March 30, 2003 15:29:06.669

Every so often, I've had feeds that produce errors and kill the update process in BottomFeeder. That's why there's a manual restart, and a watchdog process. However, that can cause cycling issues with a feed that is busted - the update loop dies over and over again in the same place, while the watchdog keeps restarting it.

With the latest dev build (if you have your 2.9 dev build set to the correct dev build directory, you'll see it as an available option), I'm trying a fix for that. It's hard to test; I don't have a bad feed at the moment. What should happen is that a bad feed should get visibly marked as bad and not get updated any longer by the update loop.

I still need to add a menu option to allow setting a feed from bad to good - but more importantly, I need to know if this works, or causes problems. Please let me know if you get feeds marked as bad (all black) that you think shouldn't be, or if this attempted fix causes problems.

 Share Tweet This

general

Just when we thought it was safe to put the snowblower away...

March 30, 2003 10:30:41.359

More snow is falling!!!

Too warm for it to stick to the roads (yet), but it's late March already....

 Share Tweet This

development

Things programmers can and can't do.

March 30, 2003 9:59:52.405

Over at Strongly Typed I saw this riff on Prevlayer:

Joshua writes about the delusions between "prevalence" and database systems.
"...in terms of functionality, Query Processing, Storage and Indexing are rarely things that a programmer can implement better than the professionals. Most of the innovation in terms of "persistence" layers revolves around the Data Access layer, and the fundamentals of the rest of the storage stack remain relevant."

.....

I don't think it's quite fair to compare the two systems in most respects. They are each best suited for areas that lightly overlap. In this case both are not a hammer.

Interesting. It's a fair point, and one that extends to other areas. You need look no further than the huge number of buffer overflow exploits to see that memory management is another area that the average developer should not be dealing with. Based the quality of the RSS Feeds I see, production of XML is another.

 Share Tweet This

general

Boardgames and dinner

March 30, 2003 1:32:14.822

We tried to have dinner out tonight with friends, but the three kids (their two and our one) simply couldn't sit still and agree on who was going to sit next to whom. We ended up having to bail on the restaurant and get carry out - and that caused a small problem, as they lost an order.

That made us all nice and perky for board game night. What with the war on, we considered Tigris and Euphrates, but that looked like it would require too much thinking. So we settled on a game we hadn't played in awhile, Ra. Unlike my recent string of successes with Puerto Rico, I got washed and waxed right from the first turn - I messed up all the bidding. Better luck next time - and with any luck, better behaved children....

 Share Tweet This

general

Humorous internet urban myth

March 29, 2003 13:05:36.209

Via Reflective Surface comes this amusing urban myth that's been making the rounds:

"We don't believe this guy's story - either he's either a lunatic or a pathological liar," says an SEC insider.

"But the fact is, with an initial investment of only $800, in two weeks' time he had a portfolio valued at over $350 million. Every trade he made capitalized on unexpected business developments, which simply can't be pure luck.

Carlssin declared that he had traveled back in time from over 200 years in the future, when it is common knowledge that our era experienced one of the worst stock plunges in history. Yet anyone armed with knowledge of the handful of stocks destined to go through the roof could make a fortune.

"It was just too tempting to resist," Carlssin allegedly said in his videotaped confession. "I had planned to make it look natural, you know, lose a little here and there so it doesn't look too perfect. But I just got caught in the moment."

In a bid for leniency, Carlssin has reportedly offered to divulge "historical facts" such as the whereabouts of Osama Bin Laden and a cure for AIDS.

Officials are quite confident the "time-traveler's" claims are bogus. Yet the SEC source admits, "No one can find any record of any Andrew Carlssin existing anywhere before December 2002."

I've always wondered how these urban myths get started - once they start making the rounds, they just circulate via email, newsgroup postings, and now blogs. But I'd be curious to know how one gets initially established.

 Share Tweet This

BottomFeeder

More Keyboard shortcuts for BottomFeeder

March 29, 2003 11:46:59.337

I've been adding a bunch of shortcuts to BottomFeeder over the last two days. They are only in the dev versions - to see that, just change your upgrade settings as indicated here. I listed the initial set of shortcuts here, but I've since done more work. The full listing can be found on the Wiki project page.

Suggestions Welcome.

 Share Tweet This

BottomFeeder

More kbd shortcuts for Bf

March 29, 2003 1:00:55.520

I added a bunch of keyboard shortcuts to BottomFeeder this evening. The shortcuts are as follows:

  • ctrl-b - Browse (either the feed or item)
  • ctrl-l - Close the selected folder
  • ctrl-n - Select next unread item
  • ctrl-o - Open the selected folder
  • ctrl-p - Select the previous unread item
  • ctrl-r - Mark all items (in feed or folder) read
  • ctrl-s - Open the search tool
  • ctrl-u - Mark all items (in feed or folder) unread

Makes it a lot easier to use, that's for sure.

 Share Tweet This
-->