大约有 32,294 项符合查询结果（耗时：0.0536秒） [XML]
Java String split removed empty values
... @Reddy -1 (or any negative number in fact, it doesn't matter what the absolute value is) tells the split method to keep the empty tokens at the end. The default is 0, which tells the method to discard empty tokens at the end of the array.
– ADTC
S...
Intercept page exit event
... Could you explain the first line (var message = ...)? I dont know what that comma and the second expression is doing.
– mtmurdock
Jul 27 '12 at 17:01
7
...
Using {} in a case statement. Why?
What is the point with using { and } in a case statement? Normally, no matter how many lines are there in a case statement, all of the lines are executed. Is this just a rule regarding older/newer compilers or there is something behind that?
...
Regular expression matching a multiline block of text
...ny upper case letters as possible until you reach a newline. This defines what I will call a textline.
((?:textline)+) means match one or more textlines but do not put each line in a group. Instead, put all the textlines in one group.
You could add a final \n in the regular expression if you want t...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...
I wonder what the canned response is when you're on a $50/month database plan?
– mpoisot
Aug 2 '16 at 17:06
1
...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...et here, but we don't
NSLog(@"it's not here");
}
else {
// this is what actually happens
NSLog(@"it's here: %d", i);
// **** crash horribly ****
NSLog(@"the object is %@", array[i]);
}
share
|
...
Can a decorator of an instance method access the class?
...een created the class decorator then goes through all the methods and does whatever is needed on the methods that have been marked.
If you want all the methods to be affected then you could leave out the method decorator and just use the class decorator.
...
Returning an array using C
...
@Kundor: What bar recieves is a pointer, not an array. In the context of a function parameter declaration, T a[N] and T a[] are both treated as T *a.
– John Bode
Apr 14 '16 at 12:16
...
Proper way to declare custom exceptions in modern Python?
What's the proper way to declare custom exception classes in modern Python? My primary goal is to follow whatever standard other exception classes have, so that (for instance) any extra string I include in the exception is printed out by whatever tool caught the exception.
...
std::auto_ptr to std::unique_ptr
...1 for "you need to refactor your code anyway". auto_ptrs are only good for what 20.4.5/3 says they are good for.
– Cubbi
Aug 10 '10 at 17:22
8
...