大约有 1,560 项符合查询结果（耗时：0.0281秒） [XML]
SQL Server : Columns to Rows
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Just because I did not see it mentioned.
If 2016+, here is yet another option to dynamically unpivot data without actually using Dynamic SQL.
Example
Declare @YourTable Table ([ID] varchar(50),[Col1] varchar(50),[Col2] varchar(50))
Insert Into @YourTable Values
(1,...
Is object empty? [duplicate]
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Late comment: as for 2016 you can use just lodash isEmpty (you don't need to import all the lodash, you can now import just a method from it, it was divided to multiple micro-packages in npm).
– 108adams
Apr...
Is there a way to use SVG as content in a pseudo element :before or :after
...6%2C-23%2022%2C-2%2029%2C-2%2056%2C6%2027%2C8%2043%2C17%2043%2C17%2014%2C6%2016%2C7%2041%2C16%2025%2C9%2069%2C15%20120%2C11%2051%2C-3%20126%2C-22%20181%2C-32%2054%2C-9%20105%2C-20%20148%2C-23%2042%2C-3%2071%2C1%20104%2C6%2034%2C4%2065%2C14%2098%2C22%22%2F%3E%0A%3C%2Fsvg%3E%0A);
}
<div class="a...
Unescape HTML entities in Javascript?
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@PointedEars: Who cares about Firefox 12 in 2016? The problematic ones are Internet Explorer up to 9.0 and Safari up to 7.0. If one can afford not supporting them (which will hopefully be everybody soon) then DOMParser is the best choice. If not - yes, processing entit...
How to Store Historical Data
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In SQL Server 2016 and above, there is a new feature called Temporal Tables that aims to solve this challenge with minimal effort from developer. The concept of temporal table is similar to Change Data Capture (CDC), with the difference th...
Warn user before leaving web page with unsaved changes
... that Firefox 4 didn't support custom messages in this dialog. As of april 2016, Chrome 51 is being rolled out in which custom messages are also being removed.
Some alternatives exist elsewhere on this site, but I think a dialog like this is clear enough:
Do you want to leave this site?
C...
Step-by-step debugging with IPython
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(Update on May 28, 2016) Using RealGUD in Emacs
For anyone in Emacs, this thread shows how to accomplish everything described in the OP (and more) using
a new important debugger in Emacs called RealGUD which can operate with any debugger (incl...
When to encode space to plus (+) or %20?
...rstand purpose of adding URLSearchParams developers.google.com/web/updates/2016/01/urlsearchparams, which works in some legacy way (serialize SPACE into '+'). It's even not supported in IE11!
– Nymphetamine
May 15 at 21:08
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SQL Server - transactions roll back on error?
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Here the code with getting the error message working with MSSQL Server 2016:
BEGIN TRY
BEGIN TRANSACTION
-- Do your stuff that might fail here
COMMIT
END TRY
BEGIN CATCH
IF @@TRANCOUNT > 0
ROLLBACK TRAN
DECLARE @ErrorMessage NVARCHAR(4000) = ERROR_MESSAG...
What is difference between sjlj vs dwarf vs seh?
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So now in 2016 we can put this question to rest and simply always use SEH.
– rustyx
May 13 '16 at 19:55
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