大约有 45,000 项符合查询结果（耗时：0.0245秒） [XML]
Transaction count after EXECUTE indicates a mismatching number of BEGIN and COMMIT statements. Previ
...ming is still in the original transaction, only mayhem can ensure (and the error you get is the way the engine tries to protect itself).
I recommend you go over Exception handling and nested transactions which shows a pattern that can be used with nested transactions and exceptions:
create procedu...
Where does PHP's error log reside in XAMPP?
...
\xampp\apache\logs\error.log, where xampp is your installation folder.
If you haven't changed the error_log setting in PHP (check with phpinfo()), it will be logged to the Apache log.
...
Programmatically add custom event in the iPhone Calendar
...e requestAccessToEntityType:EKEntityTypeEvent completion:^(BOOL granted, NSError *error) {
if (!granted) { return; }
EKEvent *event = [EKEvent eventWithEventStore:store];
event.title = @"Event Title";
event.startDate = [NSDate date]; //today
event.endDate = [e...
How to make custom error pages work in ASP.NET MVC 4
I want a custom error page shown for 500, 404 and 403. Here's what I have done:
11 Answers
...
How to specify HTTP error code?
...If you want to send more down the wire, just chain: res.status(400).json({ error: 'message' })
– TyMayn
Sep 23 '14 at 4:15
...
why windows 7 task scheduler task fails with error 2147942667
...d on or not . Now when i run the task it is not working. I get following 2 errors. I don't understand this error. Please help me resolve this issue.
...
How do I resolve “HTTP Error 500.19 - Internal Server Error” on IIS7.0 [closed]
What causes this error, how can I fix it?
31 Answers
31
...
How to make rounded percentages add up to 100%
...
The goal of rounding is to generate the least amount of error. When you're rounding a single value, that process is simple and straightforward and most people understand it easily. When you're rounding multiple numbers at the same time, the process gets trickier - you must define ...
What is difference between Errors and Exceptions? [duplicate]
How can I differentiate between Errors and Exceptions in Java?
4 Answers
4
...
How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
... an NSString parameter where you should be passing an NSData parameter:
NSError *jsonError;
NSData *objectData = [@"{\"2\":\"3\"}" dataUsingEncoding:NSUTF8StringEncoding];
NSDictionary *json = [NSJSONSerialization JSONObjectWithData:objectData
options:NSJSONRea...