大约有 15,590 项符合查询结果(耗时:0.0178秒) [XML]
log4net hierarchy and logging levels
...evels recorded for each setting level:
ALL DEBUG INFO WARN ERROR FATAL OFF
•All
•DEBUG •DEBUG
•INFO •INFO •INFO
•WARN •WARN •WARN •WARN
•ERROR •ERROR •ERROR •ERROR •ER...
How to create local notifications?
...de works fine for iOS 7.x and below but for iOS 8 it will prompt following error on console:
Attempting to schedule a local notification with an alert but haven't received permission from the user to display alerts
This means you need register for local notification. This can be achieved usin...
Best practices for exception management in Java or C# [closed]
...
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...
How to avoid the “divide by zero” error in SQL?
I have this error message:
19 Answers
19
...
xcode-select active developer directory error
Saw the following error when running an npm install which required node-gyp ... but could be triggered by anything which requires xcode-select .
...
Eclipse: Error “.. overlaps the location of another project..” when trying to create new project
I keep getting an error message in Eclipse when creating a new project.
11 Answers
11
...
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
...
What does an exclamation mark mean in the Swift language?
...
"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...
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
...
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...