大约有 30,000 项符合查询结果(耗时:0.0523秒) [XML]
General suggestions for debugging in R
I get an error when using an R function that I wrote:
13 Answers
13
...
Delete/Reset all entries in Core Data?
...SFileManager:removeItemAtPath:: method.
NSPersistentStore *store = ...;
NSError *error;
NSURL *storeURL = store.URL;
NSPersistentStoreCoordinator *storeCoordinator = ...;
[storeCoordinator removePersistentStore:store error:&error];
[[NSFileManager defaultManager] removeItemAtPath:storeURL.path ...
Split List into Sublists with LINQ
...ource.ChunkInternal(chunkSize);
}
Nothing surprising up there, just basic error checking.
Moving on to ChunkInternal:
private static IEnumerable<IEnumerable<T>> ChunkInternal<T>(
this IEnumerable<T> source, int chunkSize)
{
// Validate parameters.
Debug.Assert(so...
Why can't we have static method in a (non-static) inner class?
... normal "attempt to access non-static variable from a static context" type error - no different from if a top level static method tries to access it's own class's instance variable.
– Lawrence Dol
May 10 '11 at 5:29
...
Cocoa Core Data efficient way to count entities
...ties:NO]; //Omit subentities. Default is YES (i.e. include subentities)
NSError *err;
NSUInteger count = [moc countForFetchRequest:request error:&err];
if(count == NSNotFound) {
//Handle error
}
[request release];
s...
nodeJs callbacks simple example
... this next line:
usingItNow(myCallback);
With Respect to the Node-Style Error Conventions
Costa asked what this would look like if we were to honor the node error callback conventions.
In this convention, the callback should expect to receive at least one argument, the first argument, as an err...
Location Manager Error : (KCLErrorDomain error 0)
Why does this error occur?
15 Answers
15
...
How do I catch an Ajax query post error?
I would like to catch the error and show the appropriate message if the Ajax request fails.
8 Answers
...
How to remove/ignore :hover css style on touch devices
...
I've used try/catch just in case some odd error shows up, that could crash the script, like deleteRule not working because of same-origin policy or flaky support on IE (edited the comment to reflect that). But yeah, in most cases, just a simple check should be suffic...
Abandoning changes without deleting from history
...3
user: Your name <your@email.com>
date: Sat Dec 23 16:05:38 2013 +0200
summary: commit description #2
changeset: 59:81b9804156a8
user: Your name <your@email.com>
date: Sat Sep 14 13:14:40 2013 +0200
summary: commit description #1
Let's say, you w...