大约有 42,000 项符合查询结果(耗时:0.0517秒) [XML]

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Adding up BigDecimals using Streams

...ded a totalMapper variable, that has a function from Invoice to BigDecimal and returns the total price of that invoice. Then I obtain a Stream<Invoice>, map it to a Stream<BigDecimal> and then reduce it to a BigDecimal. Now, from an OOP design point I would advice you to also actually ...
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Changing the child element's CSS when the parent is hovered

...use CSS? .parent:hover .child, .parent.hover .child { display: block; } and then add JS for IE6 (inside a conditional comment for instance) which doesn't support :hover properly: jQuery('.parent').hover(function () { jQuery(this).addClass('hover'); }, function () { jQuery(this).removeCla...
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How do I make this file.sh executable via double click?

...pt that will execute in Terminal when you open it, name it with the “command” extension, e.g., file.command. By default, these are sent to Terminal, which will execute the file as a shell script. You will also need to ensure the file is executable, e.g.: chmod +x file.command Without this, T...
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How to get ER model of database from server with Workbench

..." Menu option Select the "Reverse Engineer" option. A wizard will be open and it will generate the ER Diagram for you. share | improve this answer | follow |...
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Include another JSP file

...ying to learn JSP. My question is, at present I used to include the header and footer of the page using: 6 Answers ...
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What's the difference between := and = in Makefile?

For variable assignment in Make, I see := and = operator. What's the difference between them? 3 Answers ...
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How to enable Bootstrap tooltip on disabled button?

I need to display a tooltip on a disabled button and remove it on an enabled button. Currently, it works in reverse. 18 Ans...
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Test if object implements interface

... sure, it is compile-time safe; and it is the built-in way and it is the argument of the question (imho) – dfa Apr 20 '09 at 8:10 ...
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Find first element in a sequence that matches a predicate

... I am a python newbie and read the docs and the ifilter uses the "yield" method. I assume this means that the predicate is lazily evaluated as we go. i.e, we dont run the predicate through the entire list because I have a predicate function that i...
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Find unmerged Git branches?

I have a Git repository with many branches, some of them already merged and some not. Since the number of branches is quite large, how can I determine which branches have not yet been merged? I would like to avoid having to do an "octopus" merge and re-merging branches that have already been merged....