大约有 3,550 项符合查询结果（耗时：0.0387秒） [XML]
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...
How to detect if a specific file exists in Vimscript?
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@metaphy that's an excellent comment, I've added an answer based on that to give it more visibility, but if you want the credit feel free to add your own answer and I'll delete mine.
– icc97
Nov 8 '18 at 1...
Why are unnamed namespaces used and what are their benefits?
...ce is that the a1 in the anonymous namespace gets a unique name.
Read the excellent article at comeau-computing Why is an unnamed namespace used instead of static? (Archive.org mirror).
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How do I reset a sequence in Oracle?
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Upvoted because this is an excellent approach. Only downside is that it can result in unpredictable behaviour in a RAC system, where l_current may be one of various values, depending on which node the script is run; re-running the script can result in ...
Convert generic List/Enumerable to DataTable?
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This is an excellent answer. I would love to see this example expanded out to handle a group by list that would contain an item property and have columns created in the same way above.
– Unknown Coder
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