大约有 46,000 项符合查询结果（耗时：0.0566秒） [XML]
How to jump to a specific character in vim?
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answered Feb 22 '12 at 20:46
Lars KotthoffLars Kotthoff
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A list of indices in MongoDB?
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answered May 7 '10 at 22:52
mdirolfmdirolf
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Random record in ActiveRecord
...a table via ActiveRecord. I've followed the example from Jamis Buck from 2006 .
25 Answers
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How to fight tons of unresolved variables warning in Webstorm?
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105
Use JSDoc:
/**
* @param {{some_unres_var:string}} data
*/
function getData(data){
consol...
How to get a Color from hexadecimal Color String
I'd like to use a color from an hexa string such as "#FFFF0000" to (say) change the background color of a Layout.
Color.HSVToColor looks like a winner but it takes a float[] as a parameter.
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How to read the database table name of a Model instance?
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answered Oct 24 '08 at 11:38
BerBer
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Closing WebSocket correctly (HTML5, Javascript)
...lement):
To close the connection cleanly, a frame consisting of just a 0xFF byte
followed by a 0x00 byte is sent from one peer to ask that the other peer
close the connection.
If you are writing a server, you should make sure to send a close frame when the server closes a client co...
Rails where condition using NOT NIL
...Rails 3:
Foo.includes(:bar).where("bars.id IS NOT NULL")
ActiveRecord 4.0 and above adds where.not so you can do this:
Foo.includes(:bar).where.not('bars.id' => nil)
Foo.includes(:bar).where.not(bars: { id: nil })
When working with scopes between tables, I prefer to leverage merge so that I...
How do you take a git diff file, and apply it to a local branch that is a copy of the same repositor
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Jacek Laskowski
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answered Sep 7 '12 at 15:17
PhilippPhilipp
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Python/postgres/psycopg2: getting ID of row just inserted
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208
cursor.execute("INSERT INTO .... RETURNING id")
id_of_new_row = cursor.fetchone()[0]
And plea...