大约有 10,900 项符合查询结果(耗时:0.0383秒) [XML]
How do I typedef a function pointer with the C++11 using syntax?
...re: groups.google.com/a/isocpp.org/d/msg/std-proposals/xDQR3y5uTZ0/… you can write pointer<function<void>>.
– bames53
May 14 '13 at 0:11
5
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Why does Math.floor return a double?
... says that Math.floor() returns a double that is "equal to a mathematical integer", but then why shouldn't it return an int ?
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How to remove last n characters from every element in the R vector
... to do -0 and it disappears, together with hours
– LucasSeveryn
May 1 '14 at 17:55
Also consider the strptime function...
How to implement a confirmation (yes/no) DialogPreference?
How can I implement a Preference that displays a simple yes/no confirmation dialog?
3 Answers
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Autowiring two beans implementing same interface - how to set default bean to autowire?
I have a Spring 2.5/Java/Tomcat application. There is the following bean, which is used throughout the application in many places
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ng-options with simple array init
... It works if you get select's value with angular, but in my case (ie classic submit form), values will be 0,1,2,3, not var1,var2,var3
– Dragu
Aug 13 '13 at 6:45
1
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Why is Scala's immutable Set not covariant in its type?
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Set is invariant in its type parameter because of the concept behind sets as functions. The following signatures should clarify things slightly:
trait Set[A] extends (A=>Boolean) {
def apply(e: A): Boolean
}
If Set were covariant in A, the apply method woul...
What is the fundamental difference between WebSockets and pure TCP?
... wonder why browser couldn't simply open trivial TCP connection and communicate with server like any other desktop application. And why this communication is possible via websockets?
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How do I call setattr() on the current module?
...attr (which breaks the letter of the question but satisfies the same practical purposes;-):
globals()[name] = value
Note: at module scope, the latter is equivalent to:
vars()[name] = value
which is a bit more concise, but doesn't work from within a function (vars() gives the variables of the s...
Print function log /stack trace for entire program using firebug
Firebug has the ability to log calls to a particular function name. I'm looking for a bug that sometimes stops a page from rendering, but doesn't cause any errors or warnings. The bug only appears about half the time. So how do I get a list of all the function calls for the entire program, or som...
