大约有 47,000 项符合查询结果（耗时：0.0411秒） [XML]
PostgreSQL Crosstab Query
...ple form - not fit for missing attributes
crosstab(text) with 1 input param>me m>ter:
SELECT *
FROM crosstab(
'SELECT section, status, ct
FROM tbl
ORDER BY 1,2' -- needs to be "ORDER BY 1,2" here
) AS ct ("Section" text, "Active" int, "Inactive" int);
Returns:
Section | Active ...
Recomm>me m>nded way to save uploaded files in a servlet application
...rver anyway as it is not portable, transactional and requires external param>me m>ters. However, given that I need a tmp solution for tomcat (7) and that I have (relative) control over the server machine I want to know :
...
Cross-platform way of getting temp directory in Python
...e module.
It has functions to get the temporary directory, and also has som>me m> shortcuts to create temporary files and directories in it, either nam>me m>d or unnam>me m>d.
Example:
import tempfile
print tempfile.gettempdir() # prints the current temporary directory
f = tempfile.TemporaryFile()
f.write('so...
Return 0 if field is null in MySQL
...
Use IFNULL:
IFNULL(expr1, 0)
From the docum>me m>ntation:
If expr1 is not NULL, IFNULL() returns expr1; otherwise it returns expr2. IFNULL() returns a num>me m>ric or string value, depending on the context in which it is used.
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intellij - spring is not being recognized (Unmapped Spring configuration)
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@pshirishreddy It seem>me m>d to work a bit patchily for m>me m>. We had multiple application contexts for different testing setups though
– JonnyRaa
Feb 6 '15 at 9:12
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Linq order by boolean
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Epic fail... just realised it was due to bug that m>me m>ant f.foo was always false.... so embarrased
– mat-mcloughlin
Mar 23 '11 at 16:23
5
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How do I escape spaces in path for scp copy in Linux?
...te to local system... now I'm using scp command in linux system.. I have som>me m> folders or files nam>me m>s are with spaces, when I try to copy that file, it shows the error m>me m>ssage: "No such file or directory"
...
How to make a div grow in height while having floats inside
...ass="wrap">
<div class="float">Cras mattis iudicium purus sit am>me m>t ferm>me m>ntum. At nos hinc posthac, sitientis piros Afros. Qui ipsorum lingua Celtae, nostra Galli appellantur. Petierunt uti sibi concilium totius Galliae in diem certam indicere. Ambitioni dedisse scripsisse iudicaretur.&lt...
Change File Extension Using C#
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There is: Path.ChangeExtension m>me m>thod. E.g.:
var result = Path.ChangeExtension(myffile, ".jpg");
In the case if you also want to physically change the extension, you could use File.Move m>me m>thod:
File.Move(myffile, Path.ChangeExtension(myffile, ".jpg"));...
check if directory exists and delete in one command unix
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add a comm>me m>nt
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