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What's the fastest way to do a bulk insert into Postgres?

...200, 300]), UNNEST(ARRAY['a', 'b', 'c']) ); without VALUES using subselect with additional existance check: INSERT INTO tablename (fieldname1, fieldname2, fieldname3) SELECT * FROM ( SELECT UNNEST(ARRAY[1, 2, 3]), UNNEST(ARRAY[100, 200, 300]), UNNEST(ARRAY['a', 'b...
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adding and removing classes in angularJs using ng-click

...s code actuali change class for all div, how I can apply class only to the selected clicked item – xzegga Apr 24 '14 at 4:44 ...
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PostgreSQL LIKE query performance variations

... gist_trgm_ops); Difference between GiST and GIN index Example query: SELECT * FROM tbl WHERE col LIKE '%foo%'; -- leading wildcard SELECT * FROM tbl WHERE col ILIKE '%foo%'; -- works case insensitively as well Trigrams? What about shorter strings? Words with less than 3 letters in indexed...
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Random record in ActiveRecord

...he first, all after are still sorted by id). If you need multiple randomly selected records you must use this approach multiple times or use the random order method provided by your database, i.e. Thing.order("RANDOM()").limit(100) for 100 randomly selected entries. (Be aware that it's RANDOM() in P...
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How do I get jQuery to select elements with a . (period) in their ID?

...wo backslashes before each special character. A backslash in a jQuery selector escapes the next character. But you need two of them because backslash is also the escape character for JavaScript strings. The first backslash escapes the second one, giving you one actual backslash in your st...
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Visual Studio opens the default browser instead of Internet Explorer

...er: 1) Right click on a .aspx page in your solution explorer 2) Select the "browse with" context menu option 3) In the dialog you can select or add a browser. If you want Firefox in the list, click "add" and point to the firefox.exe filename 4) Click the "Set as Default...
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Get current batchfile directory

...re importantly, using :: allows you to include redirectors, pipes, special chars (i.e. < > | etc) in that comment. :: ORIG STMT WAS: dir *.* | find /v "1917" > outfile.txt Of course, Powershell does this and lots more. ...
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Proper way to rename solution (and directories) in Visual Studio

...story of the file. For example, with TortoiseSVN, right click on the file, select TortoiseSVN .. Rename. In the .sln file, edit all instances of Project1 to be Project2, using a text editor like NotePad. Restart Visual Studio, and everything will work as before, but with the project in a different ...
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Cannot install Lxml on Mac os x 10.9

... or upgrade the commandline tool for xcode. Try this in a terminal: xcode-select --install share | improve this answer | follow | ...
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SQL Server Output Clause into a scalar variable

... But then I'd have to "SELECT @someInt = ID FROM @ID". I wanted to know if its possible to skip that extra step (and intermediary table variable) if all I need is the resulting int. – Benoittr Apr 5 '11 at 21:...