大约有 43,000 项符合查询结果(耗时:0.0634秒) [XML]

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resizes wrong; appears to have unremovable `min-width: min-content`

I have a <select> where one of its <option> ’s text values is very long. I want the <select> to resize so it is never wider than its parent, even if it has to cut off its displayed text. max-width: 100% should do that. ...
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What's the point of 'const' in the Haskell Prelude?

..., no matter the second, you can do: listOfNothings :: String -> [Maybe Char] listOfNothings = (map . const) Nothing or, more explicitly: listOfNothing st = map (const Nothing) st share | imp...
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How to do INSERT into a table records extracted from another table

...UES", no parenthesis: INSERT INTO Table2(LongIntColumn2, CurrencyColumn2) SELECT LongIntColumn1, Avg(CurrencyColumn) as CurrencyColumn1 FROM Table1 GROUP BY LongIntColumn1; share | improve this an...
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Find the number of columns in a table

... SELECT COUNT(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE table_catalog = 'database_name' -- the database AND table_name = 'table_name' share ...
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Get/pick an image from Android's built-in Gallery app programmatically

... https://github.com/hanscappelle/SO-2169649 (note that the multiple file selection still needs work) Single Picture Selection With support for images from file explorers thanks to user mad. public class BrowsePictureActivity extends Activity { // this is the action code we use in our inten...
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postgresql - sql - count of `true` values

... SELECT COALESCE(sum(CASE WHEN myCol THEN 1 ELSE 0 END),0) FROM <table name> or, as you found out for yourself: SELECT count(CASE WHEN myCol THEN 1 END) FROM <table name> ...
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What is the difference between HAVING and WHERE in SQL?

What is the difference between HAVING and WHERE in an SQL SELECT statement? 20 Answers ...
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MySql : Grant read only options?

...ends on how you define "all read." "Reading" from tables and views is the SELECT privilege. If that's what you mean by "all read" then yes: GRANT SELECT ON *.* TO 'username'@'host_or_wildcard' IDENTIFIED BY 'password'; However, it sounds like you mean an ability to "see" everything, to "look but...
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How do I skip a match when using Ctrl+D for multiple selections in Sublime Text 2?

... @Qwerty: Alt+F3 Selects all occurrences. – Emil Stenström May 17 '14 at 15:16 16 ...
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Get table names using SELECT statement in MySQL

... To get the name of all tables use: SELECT table_name FROM information_schema.tables; To get the name of the tables from a specific database use: SELECT table_name FROM information_schema.tables WHERE table_schema = 'your_database_name'; Now, to answer the...