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How do I check/uncheck all checkboxes with a button using jQuery?

...ecking/unchecking the parent checkbox all the child checkboxes are getting selected/deselected also with the text of parent checkbox getting changed to checkall/uncheckall. ...
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PostgreSQL wildcard LIKE for any of a list of words

... can use Postgres' SIMILAR TO operator which supports alternations, i.e. select * from table where lower(value) similar to '%(foo|bar|baz)%'; share | improve this answer | ...
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Paste multiple times

... Clever. 'p' to paste, 'gv' to re-select what was originally selected. 'y' to copy it again. – Amjith Aug 23 '11 at 21:17 ...
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How to combine date from one field with time from another field - MS SQL Server

...ro (base date: January 1, 1900) Adding them returns the correct result. SELECT Combined = MyDate + MyTime FROM MyTable Rationale (kudos to ErikE/dnolan) It works like this due to the way the date is stored as two 4-byte Integers with the left 4-bytes being the date and the right 4-bytes...
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Why does PostgreSQL perform sequential scan on indexed column?

... If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan. This is because an index scan requires several IO operations for each row (look up the row in the ...
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How to select an element with 2 classes [duplicate]

... You can chain class selectors without a space between them: .a.b { color: #666; } Note that, if it matters to you, IE6 treats .a.b as .b, so in that browser both div.a.b and div.b will have gray text. See this answer for a comparison bet...
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How do I remove the first characters of a specific column in a table?

... SELECT RIGHT(MyColumn, LEN(MyColumn) - 4) AS MyTrimmedColumn Edit: To explain, RIGHT takes 2 arguments - the string (or column) to operate on, and the number of characters to return (starting at the "right" side of the stri...
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How to resume Fragment from BackStack if exists

...teName); ft.commit(); } } The conditional was changed a bit since selecting the same fragment while it was visible also caused duplicate entries. Implementation: I highly suggest not taking the the updated replaceFragment() method apart like you did in your code. All the logic is containe...
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Xcode “Build and Archive” from command line

... in Xcode 4.4, and I'm sure it was fine in 4.3 as well. Make sure you have selected the correct Xcode release by using xcode-select <path to Xcode.app> – Reid Ellis Jul 30 '12 at 18:02 ...
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Export from sqlite to csv using shell script

...qlite3 You have a separate call to sqlite3 for each line; by the time your select runs, your .out out.csv has been forgotten. Try: #!/bin/bash ./bin/sqlite3 ./sys/xserve_sqlite.db <<! .headers on .mode csv .output out.csv select * from eS1100_sensor_results; ! instead. sh/bash methods You can...