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  Why Data Structures Matter

Our experience on Day 0 of JPR11 yielded a nice example of the need to choose an appropriate implementation of an abstract concept. As I mentioned in the previous post, we experimented with Michael Barker’s Scala implementation of Guy Steele’s parallelizable word-splitting algorithm (slides 51-67). Here’s the core of the issue. Given a type-compatible associative operator and sequence of values, we can fold the operator over the sequence to obtain a single accumulated v...

   Data structure,JPR,Importance     2012-01-08 10:13:56

  Let Your Programmers Be Silly

6Share You’re in the middle of a crazy startup development sprint. Pressure is sky high as you might have to fire everyone if you don’t generate significant traction over the next 4 months. Make it or #fail situation. The guys (I wish we’d have girls but … wait we have a student, anyway) are killing tickets and you’re pretty much on the target you’ve set with your investors. Not comfortably confident but ok. And you catch your guys debating, f...

   Programmer,Style,Management,Work     2012-01-29 04:31:56

  Why Windows?

Since the latest episodes of both Bent and Throw it Against the Wall have seen me mention Windows Phone 7, I think it’s about time I talk about why I like it. I know there’s a lot of scepticism surrounding it. And why not? Most people I know who were considering jumping the Microsoft ship did so in the dark days of Vista, so that’s their last experience with Windows. Anyone who saw their parents working on a Treo back in the nascent days of the Blackberry know the slop...

   Windows,Features,Advantage     2012-02-10 06:22:13

  The Day Programmer vs. The Night Programmer

This post is a slightly edited form of an e-mail that I sent around internally last year. But it was suggested to me recently that I post it up to my blog to see what people think – am I right or wrong? Over the years I’ve come to the belief that there are two kinds of programmer in the world, no matter what technology they work with, lets call them:         1. Day Programmers        2. Night Programmers Now ...

   Programmer,Day programmer,Night programmer,Difference     2012-03-05 05:12:09

  What Happens When Apps Go On Sale?: Revenue Up 22% On iPhone, 29% On Android

In a new research report from Distimo, the app store analytics provider examined two different ways that allow mobile developers to get a bump in both their download numbers and revenue. One way, which is within the developers’ control, is putting the app on sale. Within the first day, iPhone developers see an average increase of 41% in revenue using this method, and see revenue increases of 22% by the sale’s end. Android apps, however, rose just 7% on day one, but closed ou...

   Mobile apps,Sale,Revenue,Android and Apple     2012-01-28 07:19:28

  How to Convert Images on Mac Finder

If you have a lot of images in different formats and you want to convert them to a common format, you can use the Mac Finder to do it easily and quickly. Here are the steps to follow: 1. Open the Finder and navigate to the folder where your images are stored. 2. Select the images that you want to convert. You can use the Shift key or the Command key to select multiple images at once. 3. Right-click on the selected images and choose Services > Preview from the context menu. This will open the ...

   MACOS,FINDER,IMAGE CONVERSION     2023-04-16 02:09:54

  All Programmers Are Self-Taught

When I was a teenager I played high caliber baseball. I’m competitive to a fault and when I decide I want to be good at something, results usually follow. Now I’m a third year undergrad studying computer science. There’s something critically different between programming and sports though: A pitching coach teaches you how to pitch, but a CS professor doesn’t teach you how to code. I was surprised that neither my TAs nor professors critiqued my code during my firs...

   Programming,Style,Habit,Self learning     2011-12-21 10:25:50

  Pandora's killer--iTunes Radio

As expected, this year's WWDC may make many people happy, but also doomed to make many start-up companies sleepless. iTunes Radio is such a product creates insomnia. In WWDC, iTunes Radio was released on schedule and it becomes Apple's new music service. iTunes Radio is a music stream service which can learn your taste, it can recommend your music based on what you heard and you're listening to. From the conference we can see this new service can access the entire iTunes catalog, i.e, there wil...

   iTunes Radio,iRadio,Apple     2013-06-10 23:19:23

  ASP.NET 4 Breaking Changes #1: requestValidationMode cause ValidateRequest=False to fail

The request validation feature in ASP.NET provides a certain level of default protection against cross-site scripting (XSS) attacks. In previous versions of ASP.NET, request validation was enabled by default. However, it applied only to ASP.NET pages (.aspx files and their class files) and only when those pages were executing.In ASP.NET 4, by default, request validation is enabled for all requests, because it is enabled before the BeginRequest phase of an HTTP request. As a result, request valid...

   ASP.NET,Html content,Error,ValidateRequest,requestValidationMode     2011-11-07 13:50:29

  Google will close shopping search service in China

Google vice president of products Sameer Samat posted a news on Google Blackboard, since the service failed to meet the expectations, in order to better optimize resources, Google decided to close the shopping search service in China.In order to better optimize resources, we have decided to close the shopping search service in China. The original intention of the development of this product is to set up a bridge between consumers and retailers and traders. However it did not meet our expectatio...

   Shopping search service, Google China     2012-12-12 14:30:44

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