大约有 3,000 项符合查询结果（耗时：0.0358秒） [XML]
Which is the best library for XML parsing in java [closed]
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Nikita's point is an excellent one: don't confuse mature with bad. XML hasn't changed much.
JDOM would be another alternative to DOM4J.
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Why does the order of the loops affect performance when iterating over a 2D array?
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Besides the other excellent answers on cache hits, there is also a possible optimization difference. Your second loop is likely to be optimized by the compiler into something equivalent to:
for (j=0; j<4000; j++) {
int *p = x[j];
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Workflow for statistical analysis and report writing
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I agree with the other responders: Sweave is excellent for report writing with R. And rebuilding the report with updated results is as simple as re-calling the Sweave function. It's completely self-contained, including all the analysis, data, etc. And you can version...
What in the world are Spring beans?
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@lucas Agreed. IoC is "Inversion of Control". See excellent Q&A: What is Dependency Injection and Inversion of Control in Spring Framework? and What is Inversion of Control?.
– mhradek
Apr 24 '17 at 19:12
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Convert varchar to uniqueidentifier in SQL Server
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Excellent use of Stuff(). I only need to reference my field once in a Select statement using your method. I avoid Scalar-Functions though, because they don't always quite "scale" well, so I write it out. Thanks, this is go...
Tricks to manage the available memory in an R session
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@Nutle Excellent, I've updated the code accordingly :)
– Tony Breyal
Jan 23 '18 at 18:56
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How can you sort an array without mutating the original array?
...ant a deep copy, use the search feature on Stack Overflow to find existing excellent answers for that.
– Rob W
Mar 6 '12 at 22:19
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Heavy usage of Python at Google [closed]
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One tidbit I collected from reading Levy's excellent book "In the 'Plex" is how Python got into Google (before it was named Google -- it then was "backrub"). Larry Page had written a web-scraping "spider" in then-brand-new Java 1.0 beta, and it was so broken that his...
Return number of rows affected by UPDATE statements
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This is exactly what the OUTPUT clause in SQL Server 2005 onwards is excellent for.
EXAMPLE
CREATE TABLE [dbo].[test_table](
[LockId] [int] IDENTITY(1,1) NOT NULL,
[StartTime] [datetime] NULL,
[EndTime] [datetime] NULL,
PRIMARY KEY CLUSTERED
(
[LockId] ASC
) ON [PRIMARY]
) O...
What are Long-Polling, Websockets, Server-Sent Events (SSE) and Comet?
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Tieme put a lot of effort into his excellent answer, but I think the core of the OPs question is how these technologies relate to PHP rather than how each technology works.
PHP is the most used language in web development besides the obvious client side html...