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Oracle Differences between NVL and Coalesce
...the given values are of different types. So for instance, I was getting an error using COALESCE passing it two NULL values (one explicitly set and the other taken from a column in the database, of type NUMBER), that just disappear by changing the function to NVL.
– DanielM
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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 Code: 1005. Can't create table '…' (errno: 150)
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Error Code: 1005 -- there is a wrong primary key reference in your code
Usually it's due to a referenced foreign key field that does not exist. It might be you have a typo mistake, or check case it should be same, or there's...
How to respond with HTTP 400 error in a Spring MVC @ResponseBody method returning String?
...ss)
@ResponseStatus(value = HttpStatus.BAD_REQUEST)
public @ResponseBody MyError handleException(BadThingException e) {
return new MyError("That doesnt work");
}
Edit you can use @ResponseBody in the exception handler method if using Spring 3.1+, otherwise use a ModelAndView or something.
htt...
“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w
...able-web-security command line option. This should probably get rid of the error (and allow FB to spy on your testing ;)
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node.js, Error: Cannot find module 'express'
... This does not fix the problem in my case. npm install express shows this error npm ERR! Error: UNKNOWN, symlink '../express/bin/express'. Seems to be a deeper issue.
– Sliq
Oct 15 '13 at 0:36
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How to use NSJSONSerialization
...ame":"Bbb"}]
This might give you a clear picture of how to handle it:
NSError *e = nil;
NSArray *jsonArray = [NSJSONSerialization JSONObjectWithData: data options: NSJSONReadingMutableContainers error: &e];
if (!jsonArray) {
NSLog(@"Error parsing JSON: %@", e);
} else {
for(NSDictionary...
How to solve privileges issues when restore PostgreSQL Database
... aws documentation you cannot be one. I have found I have to ignore these errors.
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What's is the difference between train, validation and test set, in neural networks?
...ing.
for each epoch
for each training data instance
propagate error through the network
adjust the weights
calculate the accuracy over training data
for each validation data instance
calculate the accuracy over the validation data
if the threshold validat...
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...