大约有 47,000 项符合查询结果(耗时:0.0342秒) [XML]

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How do I get the value of text input field using JavaScript?

... 'searchtext' in your page. Method 5: Use the powerful document.querySelector('selector').value which uses a CSS selector to select the element For example, document.querySelector('#searchTxt').value; selected by id document.querySelector('.searchField').value; selected by class ...
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How to convert List to List?

... listofIDs.Select(int.Parse).ToList() share | improve this answer | follow | ...
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jQuery - selecting elements from inside a element

... Actually, $('#id', this); would select #id at any descendant level, not just the immediate child. Try this instead: $(this).children('#id'); or $("#foo > #moo") or $("#foo > span") ...
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Replacement for “rename” in dplyr

... The next version of dplyr will support an improved version of select that also incorporates renaming: > mtcars2 <- select( mtcars, disp2 = disp ) > head( mtcars2 ) disp2 Mazda RX4 160 Mazda RX4 Wag 160 Datsun 710 108 Hornet 4 Drive 258 H...
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Select parent element of known element in Selenium

I have a certain element that I can select with Selenium 1. 7 Answers 7 ...
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MySQL Results as comma separated list

... You can use GROUP_CONCAT to perform that, e.g. something like SELECT p.id, p.name, GROUP_CONCAT(s.name) AS site_list FROM sites s INNER JOIN publications p ON(s.id = p.site_id) GROUP BY p.id, p.name; share ...
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Oracle: If Table Exists

... declare c int; begin select count(*) into c from user_tables where table_name = upper('table_name'); if c = 1 then execute immediate 'drop table table_name'; end if; end; That's for checking whether a table in the current schema exi...
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MySQL DISTINCT on a GROUP_CONCAT()

I am doing SELECT GROUP_CONCAT(categories SEPARATOR ' ') FROM table . Sample data below: 6 Answers ...
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How to get ID of the last updated row in MySQL?

...) SET @update_id := 0; UPDATE some_table SET column_name = 'value', id = (SELECT @update_id := id) WHERE some_other_column = 'blah' LIMIT 1; SELECT @update_id; EDIT by aefxx This technique can be further expanded to retrieve the ID of every row affected by an update statement: SET @uids := nul...
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What is the equivalent of 'describe table' in SQL Server?

... use Select * From INFORMATION_SCHEMA.COLUMNS Where TABLE_NAME = 'TABLENAME' if you don't want to use a stored procedure – Matias Elorriaga Aug 4 '14 at 18:21 ...