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Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...文原文.
Doug Lea 的 Concurrent Programming in Java: Design Principles m>and m> Patterns, Second Edition是一本围绕有关 Java 应用程序中多线程编程的复杂问题的专著。
探索 Doug Lea 的 util.concurrent包，该包含有用于构建有效并发应用程序的大量有用的类...
Circular (or cm>y m>clic) imports in Pm>y m>thon
... prettm>y m> straightforward reallm>y m>. Just remember the following:
'import' m>and m> 'from xxx import m>y m>m>y m>m>y m>' are executable statements. Them>y m> execute
when the running program reaches that line.
If a module is not in sm>y m>s.modules, then an import creates the new module
entrm>y m> in sm>y m>s.modules m>and m> then exe...
Whm>y m> isn't String.Emptm>y m> a constant?
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which we can access from native.
I found this information from this hm>and m>m>y m> article at CodeProject.
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How do I update a GitHub forked repositorm>y m>?
I recentlm>y m> forked a project m>and m> applied several fixes. I then created a pull request which was then accepted.
21 Answers
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Difference between Mock / Stub / Spm>y m> in Spock test framework
I don't understm>and m> the difference between Mock, Stub, m>and m> Spm>y m> in Spock testing m>and m> the tutorials I have been looking at online don't explain them in detail.
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Round to at most 2 decimal places (onlm>y m> if necessarm>y m>)
... @James Wow that's reallm>y m> weird- I'm working in the Chrome dev console m>and m> I'm noticing that 1.005 * 100 = 100.49999999999999. Math.round(100.49999999999999) evaluates to 100, whereas Math.round(100.5) evaluates to 101. IE9 does the same thing. This is due to floating point weirdness in javascri...
What's the best wam>y m> to send a signal to all members of a process group?
...se if the tree is the result of forking from a server start or a shell commm>and m> line.) m>Y m>ou can discover process groups using GNU ps as follows:
ps x -o "%p %r %m>y m> %x %c "
If it is a process group m>y m>ou want to kill, just use the kill(1) commm>and m> but instead of giving it a process number, give it th...
Sm>y m>ntax behind sorted(kem>y m>=lambda: …)
I don't quite understm>and m> the sm>y m>ntax behind the sorted() argument:
9 Answers
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google mock分享（全网最全最好的gmock文档，没有之一） - C/C++ - 清泛网 ...
...: 0
Expected: to be called once
Actual: never called – unsatisfied m>and m> active
FooMain.cc:35: Failure
Actual function call count doesn't match EXPECT_CALL(mockFoo, setDoubleValues(Eq(1), Ge(1)))…
Expected: to be called once
Actual: never called – unsatisfied m>and m> active
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Accessing dict kem>y m>s like an attribute?
... Unless - of course - m>y m>ou assign some value to them, see below)
Attributes m>and m> items are alwam>y m>s in sm>y m>nc
Trm>y m>ing to access non-existent kem>y m> as an attribute correctlm>y m> raises AttributeError instead of Kem>y m>Error
Supports [Tab] autocompletion (e.g. in jupm>y m>ter & ipm>y m>thon)
Cons:
Methods like .kem>y m>s() wil...