Teach Yourself How to Code

You’ve always wanted to learn how to build software yourself—or just whip up an occasional script—but never knew where to start. Luckily, the web is full of free resources that can turn you into a programmer in no time.
Since the invention of the internet, programmers have been using it to discuss software development techniques, publish [...]

Taking the black art out of SQL tuning

As any database admin knows, mastering the subtler nuances of SQL can be likened to the black arts. For me, tuning the efficiency of SQL queries on large, heavily used databases is a perfect example.
Sure, I know how to use the query analysis tools built into SQL Server and Oracle — but even with them, [...]

10 Tech Whizzes Under 20

The tech world is filled with young superstars in their 20s, but there’s another generation on the way up. All of these wunderkinds are making a big splash, even though many haven’t even finished high school. Some are already millionaires. Others have venture capital firms supporting them. They’ve all established strong reputations at a very [...]

  • About

    HD Techblog is a collection of knowledge about Information Technology from HD Expertise. We, HD engineers, contribute many different topics from small technical things like programming tips to broad view such as technology trends, business review. Our aim is to help you to find useful knowledge for your work from our expertise.