he C++ preprocessor may seem like a prehistoric relic that has no place in state-of-the-art C++ projects, but this isn’t really so. Although every beginner nowadays knows how to use inline functions and const variables instead of #define macros, the preprocessor is still an indispensable tool when it comes to
I got a request from a developer the other day to produce a SQL statement with the resultset flopped. In other words, he wanted the rows to appear as columns and the columns to appear as rows. What’s more, he wanted the names of the rows to appear in the
Often, in code, you find yourself constraining values doing something like: if(val < MIN) val = MIN;else if(val > MAX) val = MAX; This simple template function will do that for you. The template uses two types, so that the in value doesn’t have to be the same type as
To find out if the correct version of Java .exe is installed in a system, type the following at the command line: java -fullversion
ow many times have you left your computer without locking it down? Sure, some people have a screensaver that locks the computer automatically after some elapsed period; most people set it to 20 minutes or more because shorter durations are irritating. I’m sure most developers are conscientious about security, but