大约有 40,000 项符合查询结果(耗时:0.0653秒) [XML]

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C#: How to convert a list of objects to a list of a single property of that object?

... List<string> firstNames = people.Select(person => person.FirstName).ToList(); And with sorting List<string> orderedNames = people.Select(person => person.FirstName).OrderBy(name => name).ToList(); ...
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Is there a properly tested alternative to Select2 or Chosen? [closed]

I am looking for an alternative to Select2 that basically provides the same functionality, but includes proper tests. 3 An...
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Setting JDK in Eclipse

...roperties the "JRE System Library" was still there. When I deleted it and selected "Use default Workspace JRE" only then did it pick up my change. I would have thought Eclipse should have updated my projects JRE when I selected a different JRE for my workspace – MayoMan ...
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SQLite - UPSERT *not* INSERT or REPLACE

... (id, role, name) VALUES ( 1, 'code monkey', (SELECT name FROM Employee WHERE id = 1) ); This will update 2 of the columns. When ID=1 exists, the ROLE will be unaffected. When ID=1 does not exist, the role will be set to 'Benchwarmer' instead of the default v...
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How do you select a particular option in a SELECT element in jQuery?

... A selector to get the middle option-element by value is $('.selDiv option[value="SEL1"]') For an index: $('.selDiv option:eq(1)') For a known text: $('.selDiv option:contains("Selection 1")') EDIT: As commented above t...
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How to disable text selection using jQuery?

Does jQuery or jQuery-UI have any functionality to disable text selection for given document elements? 13 Answers ...
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How to fetch the row count for all tables in a SQL SERVER database [duplicate]

... EXEC sp_MSForEachTable @command1='INSERT #counts (table_name, row_count) SELECT ''?'', COUNT(*) FROM ?' SELECT table_name, row_count FROM #counts ORDER BY table_name, row_count DESC DROP TABLE #counts The output will be a list of tables and their row counts. If you just want the total row count...
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Counting the number of option tags in a select tag in jQuery

How do I count the number of <option> s in a <select> DOM element using jQuery? 8 Answers ...
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How do I convert an interval into a number of hours with postgres?

... Probably the easiest way is: SELECT EXTRACT(epoch FROM my_interval)/3600 share | improve this answer | follow | ...
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Difference between two dates in MySQL

... SELECT TIMEDIFF('2007-12-31 10:02:00','2007-12-30 12:01:01'); -- result: 22:00:59, the difference in HH:MM:SS format SELECT TIMESTAMPDIFF(SECOND,'2007-12-30 12:01:01','2007-12-31 10:02:00'); -- result: 79259 the differenc...