大约有 15,590 项符合查询结果（耗时：0.0324秒） [XML]
How to properly stop the Thread in Java?
...g");
} catch (InterruptedException e) {
LOGGER.error("Exception", e);
running = false;
}
}
}
}
Then in SearchEngineContextListener:
public class SearchEngineContextListener implements ServletContextListener {
private static...
Rails :dependent => :destroy VS :dependent => :delete_all
...ent option must be one of [:destroy, :delete_all, :nullify, :restrict_with_error, :restrict_with_exception]
– Pravin Mishra
Feb 3 '14 at 4:16
...
Does constexpr imply inline?
...
Compile and run:
g++ -c -ggdb3 -O0 -Wall -Wextra -std=c++11 -pedantic-errors -o 'notmain.o' 'notmain.cpp'
g++ -c -ggdb3 -O0 -Wall -Wextra -std=c++11 -pedantic-errors -o 'main.o' 'main.cpp'
g++ -ggdb3 -O0 -Wall -Wextra -std=c++11 -pedantic-errors -o 'main.out' notmain.o main.o
./main.out
...
What is the fastest way to send 100,000 HTTP requests in Python?
....getresponse()
return res.status, ourl
except:
return "error", ourl
def doSomethingWithResult(status, url):
print status, url
q = Queue(concurrent * 2)
for i in range(concurrent):
t = Thread(target=doWork)
t.daemon = True
t.start()
try:
for url in open('urll...
Rails: how do I validate that something is a boolean?
...
So, this gets the validation right, but the error message is not helpful for the end user: "myfield is not included in the list"
– Peter Sankauskas
Mar 28 '13 at 5:12
...
iOS 7 style Blur view
...ice = [AVCaptureDevice defaultDeviceWithMediaType:AVMediaTypeVideo];
NSError *error;
AVCaptureDeviceInput *deviceInput = [AVCaptureDeviceInput deviceInputWithDevice:inputDevice error:&error];
if ([session canAddInput:deviceInput]) {
[session addInput:deviceInput];
}
...
How to get Core Data object from specific Object ID?
...ectWithID:(NSManagedObjectID *)objectID
error:(NSError **)error
Fetches the object from the store that has that ID, or nil if it doesn't exist.
(Be aware: there are two methods on NSManagedObjectContext with similar-seeming names that tripped me up. To help keep...
Facebook Post Link Image
...
I receieved this error from the lint tool. All the images referenced by og:image must be at least 200px in both dimensions. Please check all the images with tag og:image in the given url and ensure that it meets the minimum specification.. ...
Cannot delete directory with Directory.Delete(path, true)
... directory a\b is open in Explorer, b will be deleted but you will get the error 'directory is not empty' for a even though it is empty when you go and look. The current directory of any application (including Explorer) retains a handle to the directory. When you call Directory.Delete(true), it dele...
Unique BooleanField value in Django?
...he pre_save method on django.db.models.BooleanField. Instead of raising an error if another field was True, I made all other fields False if it was True. Also instead of raising an error if the field was False and no other field was True, I saved it the field as True
fields.py
from django.db.mode...