Chapter 2. Apex Limits
When you stay at a friend's house, you behave a little differently than when you're at home. You wipe your shoes before you enter, you don't put your feet on the coffee table, and you even use a coaster for your drink. The same holds true for the Salesforce1 Platform. While you might be paying rent, your code isn't running on your own server, so you have to follow the house rules. In Apex, these rules are referred to as the governor limits and they dictate what your code can and can't do when executed.
It doesn't make sense to write a whole chapter on Apex governor limits. Salesforce releases three major upgrades a year. These upgrades typically include classes and methods that correspond to the various new features available in the Salesforce GUI. Sometimes though, they also include a reduction in the Apex governor limits. In fact, this happens often enough that documenting the limits today would most likely render this chapter...