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Why Do We Estimate, Anyway?

I’ve been thinking about estimation these days. After the healthcare.gov site fiasco, and all the schedule games–many of which are estimation problems, I thought about why we estimate. The ...
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Who is a senior developer anyway?

What makes you a “senior developer”? Everyone and their dog calls themselves a senior developer these days. From fresh graduates to the CTO, everyone is a senior developer. But ...
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HTTP Caching explained

We all have noticed that opening of a webpage for the first time takes some time, but the second or third time it loads faster. This happens because whenever we visit a webpage for ...
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10 Reasons why you should NOT write unit test cases!

Finaly, here is a blog in support of all those who feel writing unit test cases is a sheer waste of time.. or is it?? Lets see.. Below are few of the reasons:              You ...
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Programming: Thinking or Typing, Thinking and Typing

“If you don’t think carefully, you might think that programming is just typing statements in a programming language.” Ward Cunningham, in the Forward to The Pragmatic Programmer Software ...
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Signing Git tags

One of Git’s interesting features is definitely the ability to sign tags. Using your GPG key-pair you can create a signed tag. Anyone with your public key can verify that you ...
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The Lazy Expert

Until two years ago I was reading tech articles every day, I was regularly watching presentations, I was contributing significantly to stackoverflow. Then I gradually reduced my “efforts” ...
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Boost your development speed

I’m really pragmatic on this. To go faster, you need to avoid the things that slow you down. These blockers may vary from developer to developer, but some are pretty common. In ...
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Collaborative development: how did we get here?

I have been doing software development for over 30 years and it has been fun to watch how the idea of collaboration has evolved. In the early 80s, in one of my first assignments as ...
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SQL Trick: row_number() is to SELECT what dense_rank() is to SELECT DISTINCT

The SQL:2003 standard ranking functions are awesome companions and useful tools every now and then. The ones that are supported in almost all databases are:ROW_NUMBER(): This one ...
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