大约有 1,390 项符合查询结果(耗时:0.0233秒) [XML]

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Hash collision in git

...commit f5f5e7f, commit 8325e43, commit c0c2006, commit 45a574e, commit 28dc98e (16 Mar 2017) by Jeff King (peff). (Merged by Junio C Hamano -- gitster -- in commit 48b3693, 24 Mar 2017) Makefile: make DC_SHA1 the default We used to use the SHA1 implementation from the OpenSSL library by ...
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Is volatile expensive?

...6ce8e: mov $0xffffffff,%ecx 0xb396ce93: mov $0xffffffff,%ebx 0xb396ce98: mov $0x6fa2b2f0,%esi ; {oop('Test2')} 0xb396ce9d: mov 0x150(%esi),%ebp 0xb396cea3: mov 0x154(%esi),%edi ;*getstatic l ; - Test2::run@0 (line 33) 0xb396cea9: cmp %ecx,%...
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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]

... 98 Update: The final Scala 2.8 release has a mechanism like the one I described. If you look up BitSet in the scaladocs you find: def map ...
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Best way to test for a variable's existence in PHP; isset() is clearly broken

... Mark Amery 98.9k4848 gold badges336336 silver badges379379 bronze badges answered Jan 6 '09 at 21:07 ZoredacheZo...
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Colors in JavaScript console

... 50%), 7px 96px hsl(518.4, 100%, 50%), 5px 97px hsl(523.8, 100%, 50%), 3px 98px hsl(529.2, 100%, 50%), 1px 99px hsl(534.6, 100%, 50%), 7px 100px hsl(540, 100%, 50%), -1px 101px hsl(545.4, 100%, 50%), -3px 102px hsl(550.8, 100%, 50%), -5px 103px hsl(556.2, 100%, 50%), -7px 104px hsl(561.6, 100%, 50%)...
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What is “rvalue reference for *this”?

... There is an additional use case for the lvalue ref-qualifier form. C++98 has language that allows non-const member functions to be called for class instances that are rvalues. This leads to all kinds of weirdness that is against the very concept of rvalueness and deviates from how built-in type...
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How using try catch for exception handling is best practice

... 98 catch(Exception ex) { throw ex; } in C# is worse than redundant (regardless of the exception type you're catching). To rethrow, use throw;....
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What does the `forall` keyword in Haskell/GHC do?

...in onJust mval This code doesn't compile (syntax error) in plain Haskell 98. It requires an extension to support the forall keyword. Basically, there are 3 different common uses for the forall keyword (or at least so it seems), and each has its own Haskell extension: ScopedTypeVariables, RankNTyp...
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In Java, what is the best way to determine the size of an object?

... .root.next.next.next.atom.val$lhs.val$lhs.val$rhs (object) d5e64f98 24 java.util.regex.Pattern$5 .root.next.next.next.atom.val$lhs.val$lhs (object) d5e64fb0 24 java.util.regex.Pattern$1 .root.next.next.next.atom.val$lhs.val$rhs (object) d5e64...
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List comprehension vs map

... 98 Python 2: You should use map and filter instead of list comprehensions. An objective reason why...