Category: Tips

What does it take to be a developer?

No I’m not talking about becoming a “developer” like Bill Gates, or Mark Zuckerberg, or even someone less “famous” like Linus Torvald or Anders Hejlsberg. Man, I’d give up many things to become one of those. To become such successful developers, you must be extremely talented, extremely determined, and of course, a sizable amount of luck. I’m talking about an average human being, trying to become a person who can enjoy his work (and hopefully, provide his family with that work). 

Somebody might think, it’s easy to be a developer today. Most problems can be found on the internet – by searching Google, or asking questions on sites such as StackOverflow. Some might even jokingly define “programming = copy and paste answer from StackOverflow”, but we all know that, it takes more than that.

I’ve been trying to answer that question. I’m not a great developer by any mean. A decent, at most (My boss has been saying that I’m doing a very good job, I truly hope he’s not just being nice). It’s been 14 years since I get into programming, 10 years since I made the final decision to be a programmer, when I chose the faculty at my university  and 6 years since I began my professional career as a developer. It’s been all natural to me – what does it take to be a decent developer?

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Upgrading to TeamCity 9.x: the JRE headaches

Today I updated our TeamCity server from 8.15 to 9.17. We need to support C# 6.0 so it’s an essential move. TeamCity 10 is still EAP and we would wait a couple of months after it comes out to make sure all the plugins are supported.

The installation was a breeze – the installer detected there was a previous version and offered to uninstall it. All good. Until there was a browser window opened so I can continue the configuration, but http://localhost/ only returned time out.

When I opened the Service Management (services.msc), it looked like the service was not running. I tried to start it, but then it stopped immediately. Events viewer was not exactly helpful, it gave a very obscure information:

The description for Event ID 404 from source TeamCity (see below) cannot be found. Either the component that raises this event is not installed on your local computer or the installation is corrupted. You can install or repair the component on the local computer.

If the event originated on another computer, the display information had to be saved with the event.

The following information was included with the event:

===============================================================
TeamCity JetBrains JetService v1.1.755.777
c:\TeamCity\bin\TeamCityService.exe
Service process exited without service stop request
===============================================================
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C# 6.0/Visual Studio 2015 on TeamCity

At first you will have to update to TeamCity 9.x (9.1.7 at the time of this post) to support Visual Studio 2015 compilation.

After upgrading (with some hassles, of course, but you’ll figure out), you’ll have TeamCity 9.x up and running. Now the time for some configuration. Change your compiler in build definition to Visual Studio 2015 and you are ready to go!

Change the Visual Studio to 2015

Change the Visual Studio to 2015

Not so fast. You will soon notice that most (if not all) of your build agents are not unusable.

MSBuildTools14.0_x86_Path does not exists
MSBuildTools14.0_x86_Path does not exists

Solution? Download and install Microsoft Build Tools 2015 from

https://www.microsoft.com/en-us/download/details.aspx?id=48159

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Why don’t I reply to your recruitment emails?

This post is about a (I hope) small portion of recruiters. If you have never sent an email like this, congratulations, I think you can consider yourself as a professional recruiter. If you did, might be you can changed the way you communicate with candidates to be more effective? I don’t want to burn any bridge here – I have high respects for recruiters, who are working hard to connect companies with potential employees, making the world a better place.

Most of the recruiters I’ve had chances to work with are great specialists and it’s been a pleasure working with them, even that I have to turn down all of the offers because I don’t want to change jobs now (While I’m not seeking for new job at the moment – have I ever mentioned that I have a great team at Episerver? – I think it’s not harmful to build up a network, just in case). However, there were times I feel annoyed when I receive a recruitment email. Initially, I would kindly reply to that email, saying I’m not interested in the positions. Later, I simply delete those emails. And I even marked some as spams.

It should not have to come to that end.

Why?

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Joel test scores are (somewhat) outdated – you should ask something else

Joel test scores are widely accepted as the “12 golden checks” for interviewee to ask interviewer during an interview. They were originated by Joel Spolsky – and his blog was famous among developers, they were quite well-known – and have been popularized even more with StackOverflow (where Joel Spolsky is one of the founders). StackOverflow Jobs even have a check list for recruiters when they post their job vacancies. Here’s the list:

  • Do you use source control?
  • Can you make a build in one step?
  • Do you make daily builds?
  • Do you have a bug database?
  • Do you fix bugs before writing new code?
  • Do you have an up-to-date schedule?
  • Do you have a spec?
  • Do programmers have quiet working conditions?
  • Do you use the best tools money can buy?
  • Do you have testers?
  • Do new candidates write code during their interview?
  • Do you do hallway usability testing?

The list served its purposes for a long time – and I can say it, to a point – contributed to software industry. When developers are aware of such things, companies need to adapt to attract talents – resulting in better work environments and processes (again, there are companies which do that well before the list, and there are companies do not care about it at all).

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Quicksilver – ServiceApi: fixing issues

From what I heard, developers seem to love both QuickSilver – as a template – and ServiceApi – as a REST server – very much. Despite of being relatively new on the field, they are being used quite frequently – QuickSilver is the preferred choice for MVC template while many sites are using ServiceApi to update the catalogs. What’s about the combination of these two? Would it be the best-of-bread for Episerver Commerce. I would say yes, but after you have fixed the issue.

The installation of ServiceApi.Commerce package to Quicksilver site should be easy and painless. Update the database and build the project, you should be expecting to have a working site.

Not quite. You should be seeing this error:

A route named 'MS_attributerouteWebApi' is already in the route collection. Route names must be unique.
Parameter name: name

It’s because

MapHttpAttributeRoutes

is called twice (as it’s called in ServiceApi as well). So naturally, let’s try by commenting that line in SiteInitalization.cs, and build it again.

This can also be solved by adding this into appSettings:
"episerver:serviceapi:maphttpattributeroutes"

Which will signal ServiceAPI to skip calling

MapHttpAttributeRoutes

A new error would show up:

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Never send me my password

I’m not a security expert myself, not even close, but for more than once, I’ve been greatly concerned about the risks for having accounts in several websites. I wonder myself why did the developers there go with the decisions that bad.

It’s already bad enough to use HTTP on your register/login page . It’s even worse when you send me my password in plain text. Either the one I chose or the one you randomly generated for me.

Oh please, I know what my password is
Oh please, I know what my password is

And this has happened more than once. Each time, it raises my eyebrows higher and higher. I don’t want to rant here – but it takes great deal of ignorance or laziness, or both, do do such as bad practice about securities.
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What not to do with your newsletters

Newsletter is a powerful communication channel – it keeps your customer informed, and even more, keep then engaged . Truth is, most of your customers won’t visit your website often, and newsletter is a very good way to keep they coming back. I myself – am an example of those customers – most of my purchases were made from newsletters. A good deal shows up and I just buy it – even thought I don’t really need it. Yes it’s not the best habit in the world, but it’s the way marketing works. You get a good sale, I get a product that I might need some day. Everyone is happy, well, might be except my wife.

However, like other channels of marketing, mistakes can be made with newsletter and drive your customers away. Make sure to avoid these:

Sending too many newsletters:

Unless your customers explicitly say that they want to get your newsletter everyday, it’s best to avoid to do so. Even if your site is full of interesting content, keep in mind that if customers received too much emails from you, their interests might wear out. It’s bad when customers start getting a habit of “Oh another mail from <blah blah>, just ignore it”. It’s even worse if they don’t open your newsletter at all, or simply create a rule to delete it.

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Hiring process might suck, and how to fix it

I recently read this post F*** You, I Quit — Hiring Is Broken
and found it interesting. If you have time – read it (and of course you should have, because this blog is far less famous than medium.com – the combination of page views for post in this blog is very likely to be much smaller than that single post).

I feel bad for the author for being in such situation – getting rejected 5 times in a row, is a hard thing to swallow. Especially when he is considered famous in developer’s world/ and has big passion in coding. And it’s not the first time, we hear someone rants about the hiring process, and it’s very unlikely to be the last. Let’s agree that the hiring process for developers might suck.

But then, it’s the way it works.

The first time no offer given, it’s probably their fault. The second time no offer given, it’s probably a bad luck. The third time no offer given, it’s probably your fault.

Continue reading “Hiring process might suck, and how to fix it” →