大约有 48,000 项符合查询结果(耗时:0.0437秒) [XML]
Can not connect to local PostgreSQL
.../var/run/postgresql' # dont worry if yours is different
#unix_socket_group = '' # default is fine here
#unix_socket_permissions = 0777 # check this one and uncomment if necessary.
EDIT:
I've done a quick search on google which you may wish t...
How to use the toString method in Java?
... the cases where the override wouldn't be required is utility classes that group static utility methods, in the manner of java.util.Math. The case of override being not required is pretty intuitive; almost always you would know.
The string returned should be concise and informative, ideally self-exp...
What's the best way to model recurring events in a calendar application?
I'm building a group calendar application that needs to support recurring events, but all the solutions I've come up with to handle these events seem like a hack. I can limit how far ahead one can look, and then generate all the events at once. Or I can store the events as repeating and dynamically ...
Best way to parse command-line parameters? [closed]
...alue and multiple value options
POSIX-style short option names (-a) with grouping (-abc)
GNU-style long option names (--opt)
Property arguments (-Dkey=value, -D key1=value key2=value)
Non-string types of options and properties values (with extendable converters)
Powerful matching on traili...
What is the best way to filter a Java Collection?
...
Apparently doesn't work on Android: groups.google.com/forum/#!msg/lambdaj/km7uFgvSd3k/grJhgl3ik5sJ
– Moritz
May 17 '13 at 9:37
8
...
Using ECMAScript 6
...: "Uncaught SyntaxError: Invalid regular expression: /(?<!a)b/: Invalid group")
– Rob W
Dec 25 '16 at 11:25
It's no...
What is the best way to paginate results in SQL Server
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Still waiting on LISTAGG()/GROUP_CONCAT().
– Bacon Bits
Nov 10 '14 at 20:07
1
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How to design RESTful search/filtering? [closed]
...encoding the [ and ]. Using encoded representations of these characters to group query parameters is a well known practice. It's even used in JSON:API specification.
– jelhan
Mar 4 '19 at 20:23
...
Proper use of 'yield return'
... yield-return when I calculate the next item in the list (or even the next group of items).
Using your Version 2, you must have the complete list before returning.
By using yield-return, you really only need to have the next item before returning.
Among other things, this helps spread the compu...
Select n random rows from SQL Server table
...en, when questions about how to select random rows are asked in discussion groups, the NEWID query is proposed; it is simple and works very well for small tables.
SELECT TOP 10 PERCENT *
FROM Table1
ORDER BY NEWID()
However, the NEWID query has a big drawback when you use it for large tables...
