我告诉学员至少做一些异常处理。这是我在每一个db调用....返回

Catch (Exception e) {
    //eat it
}

Catch (Exception e) {
 //who cares?
} 

    #Christmas tree initializer  
    toConnect = []  
    toRead =   [  ]  
    toWrite = [    ]   
    primes = [      ]  
    responses = {}  
    remaining = {}  

# absolutely foul heuristic code.
# ..it's dirty, but you want it.

and:

# VERY USEFUL DEBUGGING AID, for when the above all goes pearshaped:

这实际上是我在实现原型转换为实际代码时所做的:

// Abandon all hope you who needs to debug this

是的，有比我聪明的人在之后重构了代码(它必须有一个好的结局)。

// Any maintenance developer who can't quote entire Monty Python
// movies from memory has no business being a developer. 
const string LancelotsFavoriteColor = "$0204FB"