Thursday, 28 October 2010
Thanks to the Markham .NET Users Group
for passing along this job opportunity. The full description is in a Word document
on the user group website. Here are some things that jumped out at me:
- The company is big enough to have an IT department who will support you
- They use a variety of Microsoft technologies including some reasonably new stuff like Workflow
- You should have experience doing web and database development with Microsoft tools
- They have Windows applications too, and need you to know about concurrency and threading
- They want you to gather requirements and to train end users as well as write code, so you need to be well rounded and enjoy a variety of types of work
My guess is they are not a software development house but a manufacturing company. These jobs can be very rewarding because you get more responsibility more quickly, but on the other hand there may not be a career track to senior dev, architect, manager of devs etc because there aren't that many developers in the building.
It's nice to see they want to hire two developers. You know you won't be a team of one, anyway! If you're interested, please follow the instructions on the user group web site, which is to send an email to a specific email address with specific information in the subject line. Emailing me or commenting on this post won't help, sorry.
Tuesday, 26 October 2010
If you search for my name in the Tech Ed Europe session list, you'll see four sessions. But I've only blogged about three: Modern C++, Windows 7 Development with Code Pack, and Advanced Windows 7 Development. Now it's time to talk about the fourth, the Women in Technology Panel. I've been asked to run it this year, which is a big honour for me and one I'm pleased to take on. I have found four great panelists who are not all the same age, don't all live in the same place, and don't all do the same kinds of work. I hope that makes the conversation useful to a wide variety of attendees.
Here's the abstract:
If you're a woman in technology, or if you care about the
topic (fathers of daughters, this is your cue) then come to the Women in
Technology gathering at end-of-day Tuesday. Our panelists Claudia Woods, Freena
Eijffinger, Kate Gregory, Paula Januszkiewicz, and Rhonda Layfield span a
variety of ages, geographies, and technical interests, and we want to hear from
you. What are the issues in your working life? How can companies attract and
retain a diversity of technical staff, including women of all ages? Is work/life
balance a myth? How can you find your strengths and your friends in this field?
Bring your business cards and get ready to meet some of the other women who have
come to Tech Ed, as attendees, speakers, or staff. Let's share experiences and
advice, support each other, and learn from each other.
Does that sound good? It does to me. And here's a special invitation. It starts at 6, as you can see online. But the panelists will all be there at 5:30 along with some refreshments. So please, come a little early and mingle, then we'll do the full-on panel thing at 6, but we'll have started to get to know each other already by then. See you there!
ps: I really do mean it when I say men welcome.
Sunday, 24 October 2010
, the reference application project from the C++ team that doesn't use MFC or the .NET Framework, is back with another sample. You've seen nice graphics in the way photos are treated, a ribbon UI, and now you can see social media integration with Flickr uploads
, touch support, and Windows 7 jumplist support. And remember, all the code is available for you to explore and learn from.
Take a look and see what you think. If you want to know how to build a modern UI and a modern set of functionalities (like web services) then this is the reference application for you.
Friday, 22 October 2010
The wheels of the standards committee, I have said more than once, do grind slowly, but exceedingly fine. Apologies to probably Longfellow, though I might be mistaken. Anyway, progress continues on the next version of the standard and there are some details still to settle. Anthony Williams has written a nice summary of the October Mailing
(in preparation for a November Meeting) along with some helpful links. He points out that generating move constructors (as compilers do today for copy constructors), as required by the Final Committee Draft (FCD) could break some existing code, so discussions are planned on restricting (or dropping) this implicit generation. I like knowing that people are putting this level of thought into language changes instead of just issuing a Breaking Changes list and expecting me to go edit my code accordingly.
He also highlights situations where people are deliberately throwing exceptions from a destructor (gasp! I know!) and their working code will break unless they change it say they intend to throw exceptions from their destructor. You would think that this was a tiny population of people, and that marking their code in this way is no big deal, but C++ philosophy is that working code with defined behaviour should continue to be working code with defined behaviour in the latest version of the language. As you can see, that can really be a challenge sometimes.
If you're a C++ person, I challenge you to read the papers Anthony links to. If you can't understand a word of them, you're missing a lot of what C++ is these days. While talk of "implicit invariants", rvalues, and a "throwing move" may take some effort to decipher, I think it's worthwhile. C++ is a language in which performance and correctness are both paramount. That's why the developers are expected to manage lifetimes themselves, explicitly state whether they want shallow or deep copies, and so on. Template libraries simplify much of this (shared_ptr and unique_ptr are the death knell for the characters d-e-l-e-t-e in my code) but understanding those lifetime issues, understanding rvalues and lvalues, understanding when temporaries are created and deleted are all fundamental to being a C++ developer. Understanding those things lets you write better C++ code than you otherwise would. I know there are other languages in which your understanding doesn't matter because it is always done the same way. I also know that the control offered by C++ enables performance gains in specific situations where the developer knows better. These things can both be true at once, and can make other languages a better fit for certain developers or for certain business problems. They are also what makes C++ a better fit for some developers and some business problems. But if you don't have those understandings, if you don't want to control your application at that level, then why are you using C++? Use something simpler that can't be controlled the way C++ can.
For those who are using C++ "on purpose", who are "unrepentant" as I say in other of my talks, knowing the language at this level is key to being good at it. Would you say that "Implicit Move Must Go" or not?
Wednesday, 20 October 2010
I've been pretty active lately on StackOverflow, a question-and-answer site where people ask "what does this error message mean and I how can I make it go away?" for a variety of languages, platforms, and business purposes. There are a number of brilliant features on StackOverflow including voting on both questions and answers, and closing questions that are off topic for the site. This means less junk to wade through and a bit more confidence that any particular answer is actually going to be helpful.
One of the reasons questions get closed on StackOverflow is because they don't have an answer. There's a category of nasty questions of the form "Have you stopped [bad thing] yet?" that have no answer. If you never [bad thing]'ed in your life, then you obviously haven't stopped. Yet answering "no" implies you continue to [bad thing]. Answering "yes" implies you [bad thing]'ed for some time, but have no stopped. Either way, it's bad. So I knew the question "Should
LINQ be avoided because it's slow?" was going to be closed. And sure enough, it was. But not before some really excellent answers and comments accrued to it. Like these:
- I would not avoid code because it only executes 250 million cycles a second
instead of around 750 million, unless that kind of throughput is an actual
business case. Also, chances are that the data comes from something that is a
lot slower than this code anyway (a database, disk, ...). Go for what seems most
convenient and optimize where it matters.
Slow is irrelevant to your customers, your management and your
stakeholders. Not fast enough is extremely relevant. Never measure how
fast something is; that tells you nothing that you can use to base a
business decision on. Measure how close to being acceptable to the
customer it is. If it is acceptable then stop spending money on making it
faster; it's already good enough.
- So what you're saying is that the devil you know is better than the devil you
don't. Which is fine, if you like making business decisions on the basis of
old sayings. I think it is generally a better idea to make business
decisions based on informed opinions derived from empirical
Those last two are by Eric Lippert
. Yes, that Eric Lippert
. He's answered almost a thousand StackOverflow questions, and he's by no means the only product team member who's answering questions there. In addition, other answers fix a different perf bug in the asker's code (an unnecessary and expensive cast) and provide a wide range of opinions about performance decisions, architecture, choosing technologies and so on.
I love StackOverflow for fixing immediate blocking problems, but don't neglect the possibility of gaining philosophical wisdom from reading an offtopic question or two.
Monday, 18 October 2010
Jeff Blankenburg has produced a great quantity of blog posts about developing for Windows Phone 7. Now he's supplementing that with an all-in-one resource page that links out to a ton of great material in addition to his own. Oh I know, you might not need to see the TV ads to learn how to develop for the thing, but I appreciate the link anyway. If you're doing phone work, or thinking about it, this list is for you.
Saturday, 16 October 2010
Jennifer Marsman has built a very nice list of Windows 7 developer resources
. Of course, she had me at Code Pack (the very first item she lists as a matter of fact), but she carries on, drilling into both native and managed scenarios, covering libraries, SDKs, training materials, UX guidelines, samples, blogs - even Twitter handles!
There is a LOT of material out there and it's a little bit fragmented. This is a great post to help you find your way around. Remember, if you have a Windows app, it should be a Windows 7 app!
Thursday, 14 October 2010
According to Wired, C++ was born October 14th, 1985, with the publication of the first official reference guide by Bjarne Stroustrup. That's 25 years ago! I've still been "working in C++ since before Microsoft had a C++ compiler", as I like to say at the start of any C++ sessions I deliver. While that is a long time, it's not the full 25 years the language has existed - not quite, anyway.
Wired marks the anniversary with an interview with Bjarne
. If you're curious about what kind of computer he uses day to day (a small Windows laptop) or what music he likes to listen to, now you can find out. Or this advice for young programmers:
I'd call that "simple but not easy", as much advice is. C++, of course, is neither simple nor easy, but it is incredibly rewarding to those who take the time to learn it and use it well, and I hope it will continue to do so for at least another 25 years.
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