Life Death And Startup Problem Statement
The commenter wanted to know if TDD/BDD was useful in startups. Of course, the answer, like all answers to these questions, is "it depends". But feeling a bit punchy, I just said "no", then outlined why the answer was no.
In particular, young programmers feel the need to justify their choices using some sort of logical reasoning. Trying to explain language choices because of features is a fallacy. You don't need to explain why you listen to Bruno Mars, if you like him just do. You don't need to explain why you eat Thai food, if you like it just do.
All of these traits which the manifesto described as "female" are the core traits which make someone successful at engineering. Anyone can learn how to write code; hell, by the time someone reaches L7 or so, it's expected that they have an essentially complete mastery of technique. The truly hard parts about this job are knowing which code to write, building the clear plan of what has to be done in order to achieve which goal, and building the consensus required to make that happen.
Many other languages are receiving the functional sugar coating these days. Javascript and Ruby have some of the functional features mentioned above. Java and C# didn't have functional influences in their inceptions so they are receiving a few features just to remain competitive. But even without being a pure functional language, many of those features have been adapted and implemented in one way or another.
Serial.println(changeInFollowers);
This little chunk of code is actually quite simple. After checking to see if the client is successfully connected the algorithm looks for the unique string "". This signifies that we are in the vicinity of our desired data. We then look for "\"counter num\">" (notice the use of \" we use the backslash character to allow the use of quotes within the string). Since "\"counter num\">" is right before the number of followers we then call finder.getValue(‘,’); which retrieves the number of followers and removes any commas that might be present. Finally we look for the tag which comes right before the value of the change in followers for the day. Since this value could have a ‘+’ or ‘-‘symbol preceding it we must call finder.getValue(‘+’); This removes the ‘+’ and also inherently takes into account negative numbers. We then print the data out VIA the USB Serial port for testing.
And since I'm no longer on the inside, and have no confidential information about any of this, the thing which I would have posted internally I'll instead say right here, because it's relevant not just to Google, but to everyone else in tech.
The brain of the LED display will be the Arduino Leonardo. I picked this particular device because it’s quite powerful, I had a few lying around, and it actually uses the exact same microprocessor found in the Nix Color Sensor! (www.nixsensor.com) Here are some specs taken (copied directly) from the official Arduino page (http://arduino.cc/en/Main/arduinoBoardLeonardo) Note* Always support the Arduino Team buy buying from an official distributor.
What you see here is actually a HTTP GET request (http://en.wikipedia.org/wiki/Hypertext_Transfer_Protocol) We need to modify the request to ask for the nixsensor page. The modification looks like this:
That brings us, however, to point #3, the most serious point of all. I'm going to be even blunter than usual here, because I'm not subject to the usual maze of HR laws right now, and so I can say openly what I would normally only be allowed to say in very restricted fora. And this is addressed specifically to the author of this manifesto.
There’s a long way to go, but we’re bullish
Despite the damage done by the hype cycle last year, we think that blockchain is poised for near-term disruption of multiple industries. However, work remains to be done on all sides, from the core technology and the ecosystem of the developers to the users and financial inputs and, of course, the regulatory environmen
Functional programming is not the end game for programming paradigms. It's a hell of a good one, and the current needs fit in nicely with the aforementioned techniques. But don't be fooled, we have been scaling very large applications that lasted years with no functional language features. C, C++, COBOL, ADA, have been driving very large systems for decades. Functional is great to have, but it's not utterly necessary if we didn't.
Although the example code was super cool and it shows you how fast you can get connected to the internet with an Arduino, for our particular example we would like to get information from other sources so we are going to have to modify the code. Luckily this part is fairly easy as well. I’ll show you an example using Twitter.
Building your own Arduino powered, internet connected display can be a great weekend project for an intermediate maker. With some off the shelf parts combined with a cool display the build process is mostly a software one, and thanks to the Arduino team most of the hard work has been taken care of for us. I’ll leave it to you, the reader, to modify the code in this post to build your own project. Maybe a stock ticker that dispenses candy if your portfolio is down for the day? Or a confetti launcher that goes off after 10,000 Facebook likes? Please leave any comments or questions below. I’ll try to respond as soon as possible. If you decide to make your own project, take some pictures and send it my way. I love that stuff!
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