大约有 15,630 项符合查询结果（耗时：0.0250秒） [XML]
Why can I use auto on a private type?
...d f() {
A::BB x; // OK, typedef name A::BB is public
A::B y; // access error, A::B is private
}
share
|
improve this answer
|
follow
|
...
How can I enable or disable the GPS programmatically on Android?
...dn't give up on trying this... just be sure that your code will handle any errors if it doesn't work!
– SilithCrowe
Jun 22 '11 at 16:47
1
...
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.. ...