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Core Data: Quickest way to delete all instances of an entity
...istentStoreCoordinator.execute(deleteRequest, with: myContext)
} catch let error as NSError {
// TODO: handle the error
}
Objective-C
NSFetchRequest *request = [[NSFetchRequest alloc] initWithEntityName:@"Car"];
NSBatchDeleteRequest *delete = [[NSBatchDeleteRequest alloc] initWithFetchRequest...
Handle ModelState Validation in ASP.NET Web API
...actionContext.Response = actionContext.Request
.CreateErrorResponse(HttpStatusCode.BadRequest, modelState);
}
}
}
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Custom exception type
...
From WebReference:
throw {
name: "System Error",
level: "Show Stopper",
message: "Error detected. Please contact the system administrator.",
htmlMessage: "Error detected. Please contact the <a href=\"mailto:sysadmin@acme-widgets.com\">system...
Get exception description and stack trace which caused an exception, all as a string
...ly the format_exc() function. Here.
import traceback
try:
raise ValueError
except ValueError:
tb = traceback.format_exc()
else:
tb = "No error"
finally:
print tb
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Handling specific errors in JavaScript (think exceptions)
How would you implement different types of errors, so you'd be able to catch specific ones and let others bubble up..?
One way to achieve this is to modify the prototype of the Error object:
...
Bootstrap with jQuery Validation Plugin
...uery Validation Plugin, but I'm having a problem where the plugin puts the error messages when I'm using input groups.
15 A...
How to track down a “double free or corruption” error
When I run my (C++) program it crashes with this error.
8 Answers
8
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nano error: Error opening terminal: xterm-256color
...or me:
export TERM=xterm
further info here: http://www.cloudfarm.it/fix-error-opening-terminal-xterm-256color-unknown-terminal-type/
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What is the benefit of using “SET XACT_ABORT ON” in a stored procedure?
...ver to rollback the entire transaction and abort the batch when a run-time error occurs. It covers you in cases like a command timeout occurring on the client application rather than within SQL Server itself (which isn't covered by the default XACT_ABORT OFF setting.)
Since a query timeout will lea...
Undocumented NSURLErrorDomain error codes (-1001, -1003 and -1004) using StoreKit
I'm writing StoreKit-related code, and I'm getting some rather troubling error codes when I try to add a purchase to the queue.
...