When the debugswitch is open, you can output debugging information.
当调试开关打开时，可以输出调试信息。
2
When you switchdebug mode off, these nice error pages disappear, as they are a potential security threat.
当您关闭调试模式时，这些错误页面就会消失，因为它们是潜在的安全威胁。
3
The IDE prompts you to switch to the Debug perspective; after you switch to that perspective, execution stops at the break point that was set (see figure 7).