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Best practices for exception management in Java or C# [closed]
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It seems odd to me that you want to catch exceptions and turn them into error codes. Why do you think the caller would prefer error codes over exceptions when the latter is the default in both Java and C#?
As for your questions:
You should only catch exceptions that you can actually handle. J...
What is the command to exit a Console application in C#?
... is cleaner because it gives the underlying operating system a more useful error code why it is exiting.
– Fayssal El Mofatiche
Nov 8 '17 at 8:23
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ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YES)
...ord abc1234, but I got mysqladmin: connect to server at 'localhost' failed error: 'Access denied for user 'root'@'localhost' (using password: NO)'. Thank you so much!
– Sibbs Gambling
Feb 21 '14 at 23:18
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What does an exclamation mark mean in the Swift language?
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"forced unwrapping": john! (gives the Person value if it exists, runtime error if it is nil)
"optional binding": if let p = john { println(p) } (executes the println if the value exists)
"optional chaining": john?.learnAboutSwift() (executes this made-up method if the value exists)
I guess you c...
TypeLoadException says 'no implementation', but it is implemented
I've got a very weird bug on our test machine. The error is:
38 Answers
38
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Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...er may have the wrong class in your xib.
I downloaded your project.
The error you are getting is
'NSUnknownKeyException', reason: '[<UIViewController 0x3927310> setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key string.'
It is caused by the Second vi...
How to get JSON from URL in JavaScript?
...ng Node.js? Then take a look over here. But next time try googling for the error first, the link I posted is the first result that comes up when I type the error into Google.
– Robin Hartmann
Jun 11 '18 at 12:41
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E11000 duplicate key error index in mongodb mongoose
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The error message is saying that there's already a record with null as the email. In other words, you already have a user without an email address.
The relevant documentation for this:
If a document does not have a value for the...
Should I use .done() and .fail() for new jQuery AJAX code instead of success and error
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As stated by user2246674, using success and error as parameter of the ajax function is valid.
To be consistent with precedent answer, reading the doc :
Deprecation Notice:
The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callbacks will be deprecated in jQuery ...
Undefined symbols for architecture i386: _OBJC_CLASS_$_SKPSMTPMessage", referenced from: error
...background i.e. SKPSMTPMessage Framework. Can somebody suggest why below error is shown
35 Answers
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