大约有 30,000 项符合查询结果(耗时:0.0344秒) [XML]

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@Transactional(propagation=Propagation.REQUIRED)

...llback-only status individually, with an outer transaction scope being logically independent from the inner transaction scope. Of course, in case of standard PROPAGATION_REQUIRED behavior, all these scopes will be mapped to the same physical transaction. So a rollback-only marker set in the inner tr...
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How to calculate the difference between two dates using PHP?

... In PHP, reference variables are in the function signature, not the call. Move all your & to the signatures. – Paul Tarjan Mar 19 '13 at 9:32  |...
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Why does this (null || !TryParse) conditional result in “use of unassigned local variable”?

...rator true(EvilBool b) { // Return true the first time this is called // and false the second time b.value = !b.value; return b.value; } public static bool operator false(EvilBool b) { throw new NotImplementedException(); } } ...
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How to use android emulator for testing bluetooth application?

...f the emulator include: No support for placing or receiving actual phone calls. However, You can simulate phone calls (placed and received) through the emulator console No support for USB No support for device-attached headphones No support for determining SD card insert/eject No support for WiFi...
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Order by multiple columns with Doctrine

...qb->orderBy('column1 ASC, column2 DESC'); As you have noted, multiple calls to orderBy do not stack, but you can make multiple calls to addOrderBy: $qb->addOrderBy('column1', 'ASC') ->addOrderBy('column2', 'DESC'); ...
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How do I escape a single quote ( ' ) in JavaScript? [duplicate]

...e "onmouseover" attribute is just change(, and there's another "attribute" called ex1')' with no value. The truth is, HTML does not use \ for an escape character. But it does recognise " and ' as escaped quote and apostrophe, respectively. Armed with this knowledge, use this: do...
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How to “pull” from a local branch into another one?

... the current directory/repository: git pull . master but when working locally, you usually just call merge (pull internally calls merge): git merge master share | improve this answer |...
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Standard concise way to copy a file in Java?

... As toolkit mentions above, Apache Commons IO is the way to go, specifically FileUtils.copyFile(); it handles all the heavy lifting for you. And as a postscript, note that recent versions of FileUtils (such as the 2.0.1 release) have added the use of NIO for copying files; NIO can significantly...
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In R, how to get an object's name after it is sent to a function?

...n(mean.x)} test(a) #[1] "a" ... this is the side-effect of the print() call # ... you could have done something useful with that character value #[1] 5.5 ... this is the result of the function call Edit: Ran it with the new test-object Note: this will not succeed inside a local fun...
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What are the mechanics of short string optimization in libc++?

...ever, I would like to know in more detail how it works in practice, specifically in the libc++ implementation: 2 Answers ...