大约有 40,100 项符合查询结果(耗时:0.0541秒) [XML]
How does Duff's device work?
...
241
There are some good explanations elsewhere, but let me give it a try. (This is a lot easier on...
Best practice to validate null and empty collection in Java
...
informatik01
14.7k88 gold badges6666 silver badges100100 bronze badges
answered Oct 4 '12 at 7:30
JalaynJalayn
...
How can we run a test method with multiple parameters in MSTest?
...
46
It is unfortunately not supported in older versions of MSTest. Apparently there is an extensibi...
What are the differences between numpy arrays and matrices? Which one should I use?
... |
edited May 7 at 14:10
hashlash
49944 silver badges1313 bronze badges
answered Apr 11 at 11:52
...
How do I set a variable to the output of a command in Bash?
...
14 Answers
14
Active
...
Is Meyers' implementation of the Singleton pattern thread safe?
...
In C++11, it is thread safe. According to the standard, §6.7 [stmt.dcl] p4:
If control enters
the declaration concurrently while the variable is being initialized, the concurrent execution shall wait for completion of the initialization.
GCC and VS support for the feature (Dynamic Initiali...
Favorite Visual Studio keyboard shortcuts [closed]
...
124 Answers
124
Active
...
Multiple returns from a function
...b, c = func()
– Nils Lindemann
Jul 24 at 9:01
add a comment
|
...
How to check if a string starts with a specified string? [duplicate]
... the substr function to return a part of a string.
substr( $string_n, 0, 4 ) === "http"
If you're trying to make sure it's not another protocol. I'd use http:// instead, since https would also match, and other things such as http-protocol.com.
substr( $string_n, 0, 7 ) === "http://"
And in ge...
