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How to reverse a 'rails generate'
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@doug, I don't think that's possible. Your best bet is to just rerun the generator with the -f flag to force it to recreate/reedit the files… Then you can see which files it created/changed, and proceed on manually deleting them.
– Fábio Batis...
Using .text() to retrieve only text not nested in child tags
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Best answer, you're not supposed to need a plugin for this or a chain of 10 jQuery calls. $('.foo')[0].childNodes[0].nodeValue.trim()
– raine
May 8 '13 at 14:44
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Is there a Subversion command to reset the working copy?
...t combines a revert with whichever answer in the linked question suits you best.
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MySQL query to get column names?
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The best way is to use the INFORMATION_SCHEMA metadata virtual database. Specifically the INFORMATION_SCHEMA.COLUMNS table...
SELECT `COLUMN_NAME`
FROM `INFORMATION_SCHEMA`.`COLUMNS`
WHERE `TABLE_SCHEMA`='yourdatabasename'
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How to merge every two lines into one from the command line?
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I think this is the best solution presented, despite using neither sed nor awk. On input that is an odd number of lines, Kent's awk solution skips the final newline, his sed solution skips the final line in its entirty, and my solution repeats ...
Check if bash variable equals 0 [duplicate]
...gt 21 ]] # okay, but fails if $age is not numeric
if (( $age > 21 )) # best, $ on age is optional
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How to find the type of an object in Go?
... default:
return "unknown"
}
}
Every method has a different best use case:
string formatting - short and low footprint (not necessary to import reflect package)
reflect package - when need more details about the type we have access to the full reflection capabilities
type assertions...
Compiler Ambiguous invocation error - anonymous method and method group with Func or Action
...hen a compile-time error occurs. Otherwise the algorithm produces a single best method M having the same number of parameters as D and the conversion is considered to exist.
There is only one method in the method group X, so it must be the best. We've successfully proven that a conversion exists f...
Most lightweight way to create a random string and a random hexadecimal number
...the others above. %timeit '%030x' % randrange(16**30) gives 1000000 loops, best of 3: 1.61 µs per loop while %timeit '%0x' % getrandbits(30 * 4) gives 1000000 loops, best of 3: 396 ns per loop
– frmdstryr
Mar 28 '19 at 17:15
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Variable name as a string in Javascript
...s later after the original accepted answer. But yes, currently this is the best - except maybe the "pop()" usage suggested below
– B Charles H
Jun 3 '19 at 14:44
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