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The Weird and The Wonderful

   

The Weird and The Wonderful forum is a place to post Coding Horrors, Worst Practices, and the occasional flash of brilliance.

We all come across code that simply boggles the mind. Lazy kludges, embarrasing mistakes, horrid workarounds and developers just not quite getting it. And then somedays we come across - or write - the truly sublime.

Post your Best, your worst, and your most interesting. But please - no programming questions . This forum is purely for amusement and discussions on code snippets. All actual programming questions will be removed.

 
GeneralRe: How not to catch the exception Pin
GastonV20-Jun-13 4:30
memberGastonV20-Jun-13 4:30 
GeneralSomething is not as I expected Pin
Mohibur Rashid19-Jun-13 22:40
professionalMohibur Rashid19-Jun-13 22:40 
GeneralRe: Something is not as I expected Pin
Amitosh Swain20-Jun-13 17:53
memberAmitosh Swain20-Jun-13 17:53 
GeneralRe: Something is not as I expected Pin
Mohibur Rashid20-Jun-13 22:25
professionalMohibur Rashid20-Jun-13 22:25 
GeneralRe: Something is not as I expected Pin
Amitosh Swain20-Jun-13 22:32
memberAmitosh Swain20-Jun-13 22:32 
GeneralRe: Something is not as I expected Pin
Rob Grainger23-Jun-13 23:57
memberRob Grainger23-Jun-13 23:57 
GeneralRe: Something is not as I expected Pin
Member 467320212-Jul-13 13:11
memberMember 467320212-Jul-13 13:11 
GeneralEverywhere a single Catch block used catching top Exception all times. Pin
Mohammed Hameed19-Jun-13 20:28
professionalMohammed Hameed19-Jun-13 20:28 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
cjb11019-Jun-13 21:13
membercjb11019-Jun-13 21:13 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Mohammed Hameed19-Jun-13 21:20
professionalMohammed Hameed19-Jun-13 21:20 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Rob Grainger24-Jun-13 0:02
memberRob Grainger24-Jun-13 0:02 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Jarek Kruza19-Jun-13 21:56
memberJarek Kruza19-Jun-13 21:56 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Mohammed Hameed19-Jun-13 22:08
professionalMohammed Hameed19-Jun-13 22:08 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Jarek Kruza20-Jun-13 1:30
memberJarek Kruza20-Jun-13 1:30 
Mohammed Hameed wrote:
So you mean you support placing try/catch blocks everywhere and catching the
main Exception everywhere, right?

Well it depens on your code structure...

Let's say you have the SaveRecord() method. This method is fired from UI and saves the record in DB.
Inside we have code dealing with database surrounded with try/catch(SQLException).
DB code throws SQLException as the DB is down, in catch we log the exception and throw custom RecordNotSavedExecption. UI part catches that and displays message to user.
Or returns false instead true, depending on your pattern.
That's the predictable and desired part.

Now if some other code in SaveRecord() throws OutOfMemoryException then we can:
1. Catch noting - we have OS/Framework unhandled exception. Bad.
2. We can catch all on application level (in one place in code), display generic error message to user, log the error and continue/close the app. Good.
3. We can catch generic Exception in SaveRecord(), log and throw custom RecordNotSavedExecption. Then we have above plus we just cancel the failing operation - not close the whole app. Better?

Mohammed Hameed wrote:
But I'm still not supporting this practice

There are many patterns and practices, generally it's good to suport just one. Wink | ;)
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Rob Grainger24-Jun-13 0:04
memberRob Grainger24-Jun-13 0:04 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Mohammed Hameed24-Jun-13 0:31
professionalMohammed Hameed24-Jun-13 0:31 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Chris Ross 224-Jun-13 2:32
memberChris Ross 224-Jun-13 2:32 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Rob Grainger24-Jun-13 4:08
memberRob Grainger24-Jun-13 4:08 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
V.19-Jun-13 23:25
professionalV.19-Jun-13 23:25 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Mohammed Hameed19-Jun-13 23:56
professionalMohammed Hameed19-Jun-13 23:56 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
cjb11020-Jun-13 0:12
membercjb11020-Jun-13 0:12 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Mohammed Hameed20-Jun-13 0:26
professionalMohammed Hameed20-Jun-13 0:26 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
V.20-Jun-13 0:31
professionalV.20-Jun-13 0:31 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Mohammed Hameed20-Jun-13 1:11
professionalMohammed Hameed20-Jun-13 1:11 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Richard Deeming20-Jun-13 1:36
professionalRichard Deeming20-Jun-13 1:36 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
V.20-Jun-13 1:39
professionalV.20-Jun-13 1:39 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
AnalogNerd24-Jun-13 2:26
memberAnalogNerd24-Jun-13 2:26 
GeneralRe: Everywhere a single Catch block used catching top Exception all times. Pin
Mohammed Hameed24-Jun-13 2:37
professionalMohammed Hameed24-Jun-13 2:37 
GeneralRelational database reinvented as a flat file... Pin
johnsyd19-Jun-13 19:58
memberjohnsyd19-Jun-13 19:58 
GeneralRe: Relational database reinvented as a flat file... Pin
AlexCode19-Jun-13 20:25
professionalAlexCode19-Jun-13 20:25 
GeneralRe: Relational database reinvented as a flat file... Pin
johnsyd19-Jun-13 21:22
memberjohnsyd19-Jun-13 21:22 
GeneralRe: Relational database reinvented as a flat file... Pin
NormDroid19-Jun-13 20:43
professionalNormDroid19-Jun-13 20:43 
GeneralRe: Relational database reinvented as a flat file... Pin
AlexCode19-Jun-13 21:26
professionalAlexCode19-Jun-13 21:26 
GeneralRe: Relational database reinvented as a flat file... Pin
Richard Deeming20-Jun-13 1:32
professionalRichard Deeming20-Jun-13 1:32 
GeneralRe: Relational database reinvented as a flat file... Pin
jim lahey20-Jun-13 1:57
memberjim lahey20-Jun-13 1:57 
GeneralWhy stick to just one database? Pin
johnsyd19-Jun-13 17:52
memberjohnsyd19-Jun-13 17:52 
GeneralRe: Why stick to just one database? Pin
krumia19-Jun-13 17:55
memberkrumia19-Jun-13 17:55 
GeneralRe: Why stick to just one database? Pin
johnsyd19-Jun-13 18:07
memberjohnsyd19-Jun-13 18:07 
GeneralRe: Why stick to just one database? Pin
PIEBALDconsult19-Jun-13 18:37
professionalPIEBALDconsult19-Jun-13 18:37 
GeneralRe: Why stick to just one database? Pin
vonb19-Jun-13 19:25
professionalvonb19-Jun-13 19:25 
GeneralRe: Why stick to just one database? Pin
AlexCode19-Jun-13 20:23
professionalAlexCode19-Jun-13 20:23 
GeneralRe: Why stick to just one database? Pin
Adriaan Davel19-Jun-13 21:55
memberAdriaan Davel19-Jun-13 21:55 
AnswerRe: Why stick to just one database? Pin
GastonV19-Jun-13 20:28
memberGastonV19-Jun-13 20:28 
GeneralRe: Why stick to just one database? Pin
cjb11019-Jun-13 21:15
membercjb11019-Jun-13 21:15 
GeneralRe: Why stick to just one database? Pin
johnsyd25-Jun-13 15:01
memberjohnsyd25-Jun-13 15:01 
GeneralRe: Why stick to just one database? Pin
Adriaan Davel19-Jun-13 21:59
memberAdriaan Davel19-Jun-13 21:59 
GeneralRe: Why stick to just one database? Pin
Richard Deeming20-Jun-13 1:30
professionalRichard Deeming20-Jun-13 1:30 
GeneralRe: Why stick to just one database? Pin
jim lahey20-Jun-13 2:04
memberjim lahey20-Jun-13 2:04 
GeneralRe: Why stick to just one database? Pin
NeverJustHere20-Jun-13 19:29
memberNeverJustHere20-Jun-13 19:29 
GeneralRe: Why stick to just one database? Pin
johnsyd25-Jun-13 15:15
memberjohnsyd25-Jun-13 15:15 

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