大约有 40,000 项符合查询结果（耗时：0.0603秒） [XML]
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection
...eet of paper I found around:
The median filter is used to remove minor details from the, now grayscale, image. It will possibly remove thin lines inside the whitish paper, which is good because then you will end with tiny connected components which are easy to discard. After the median, apply a ...
Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
...our suggestion to show a simplified method signatures and hide the general details behind a link.
– Derek Mahar
Nov 15 '09 at 10:59
18
...
Why does changing the returned variable in a finally block not change the return value?
...finally block, then those changes would be seen in the returned value.
The detailed rules for how all this operates can be found in Section 14.20.2 of the Java Language Specification. Note that execution of a return statement counts as an abrupt termination of the try block (the section starting "If...
Difference in make_shared and normal shared_ptr in C++
... optimization that permits the control block to be a pointer smaller. (For details, see Stephan T. Lavavej's GN2012 presentation at about minute 12.) make_shared thus not only avoids an allocation, it also allocates less total memory.
– KnowItAllWannabe
Jan 28 ...
Error when testing on iOS simulator: Couldn't register with the bootstrap server
... you back to a sane state. Kinda painful, but less so than a full reboot.
details:
This has started happening more often with Lion/Xcode 4.2. (Personally, I never saw it before that combination.)
The bug seems to be in launchd, which inherits the app process as a child when the debugger stops deb...
What's the absurd function in Data.Void useful for?
...
TypeApplications can be used to be more explicit about details of proof :: (forall a. a) -> Void: proof fls = fls @Void.
– Iceland_jack
Nov 29 '16 at 12:49
...
Java: Why is the Date constructor deprecated, and what do I use instead?
....of( 1985 , 1 , 1 )
…or…
LocalDate.of( 1985 , Month.JANUARY , 1 )
Details
The java.util.Date, java.util.Calendar, and java.text.SimpleDateFormat classes were rushed too quickly when Java first launched and evolved. The classes were not well designed or implemented. Improvements were attemp...
How do I stop a web page from scrolling to the top when a link is clicked that triggers JavaScript?
...itly. See event.preventDefault() vs. return false (no jQuery) for the spec detail.
share
|
improve this answer
|
follow
|
...
Test iOS app on device without apple developer program or jailbreak
...ldid to fake code sign your binary. code.google.com/p/networkpx/downloads/detail?name=ldid
– WrightsCS
Nov 9 '11 at 20:52
...
'printf' vs. 'cout' in C++
...lines, use printf; otherwise, cout is almost as fast, or even faster. More details can be found on my blog.
To be clear, I'm not trying to say that iostreams are always better than printf; I'm just trying to say that you should make an informed decision based on real data, not a wild guess based on...