大约有 40,000 项符合查询结果（耗时：0.0875秒） [XML]
How to know the size of the string in bytes?
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Getting result of dynamic SQL into a variable for sql-server
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DECLARE @sqlCommand nvarchar(1000)
DECLARE @city varchar(75)
declare @counts int
SET @city = 'New York'
SET @sqlCommand = 'SELECT @cnt=COUNT(*) FROM customers WHERE City = @city'
EXECUTE sp_executesql @sqlCommand, N'@city nvarchar(75),@c...
How persistent is localStorage?
...til deleted by user (delete cache) or by the app
https://developers.google.com/web-toolkit/doc/latest/DevGuideHtml5Storage
As for a "replacement for the Cookie", not entirely
Cookies and local storage really serve difference purposes. Cookies are primarily for reading server-side, LocalStorage ca...
Java resource as file
...he resource after that size and instead returns 0 iff it is contained in a compressed filesystem like a jar. You seem to be forced to use getResource and load the file independently from this in that case.
– mgttlinger
Sep 11 '15 at 14:45
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Turn off constraints temporarily (MS SQL)
...more recent version of SQL Server it works. For example, see: techonthenet.com/sql_server/primary_keys.php
– Dejan
May 16 '15 at 12:23
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PostgreSQL, checking date relative to “today”
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66
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count number of lines in terminal output
couldn't find this on SO. I ran the following command in the terminal:
3 Answers
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Should I use encoding declaration in Python 3?
...cification allows for considerable flexibility in the syntax (it must be a comment, the text coding must be there, followed by either a : or = character and optional whitespace, followed by a recognised codec).
Note that it only applies to how Python reads the source code. It doesn't apply to execu...
remove legend title in ggplot
...move all legend titles. For more local control, the guide = guide_legend() command works. To remove the fill legend title, but to keep the color legend title, e.g. scale_fill_brewer(palette = "Dark2", guide = guide_legend(title = NULL)) + scale_color_manual(values = c("blue", "white", "red"))
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