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ActiveRecord.find(array_of_ids), preserving order
When you do Something.find(array_of_ids) in Rails, the order of the resulting array does not depend on the order of array_of_ids .
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Clearing a string buffer/builder after loop
How do you clear the string buffer in Java after a loop so the next iteration uses a clear string buffer?
8 Answers
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jQuery - Illegal invocation
... }
else if(data=='no')
{
alert('Error! Record not inserted successfully')
}
else
{
alert('Error! Try again');
}
}
});
});
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Debugging doesn't start [closed]
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Worked for me on similar error.
– mycroes
Feb 24 '16 at 7:08
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How to delete all the rows in a table using Eloquent?
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Basil Musa
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answered Mar 19 '13 at 1:19
bilalqbilalq
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Why is Scala's immutable Set not covariant in its type?
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edited Mar 24 '09 at 16:05
oxbow_lakes
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an...
Ruby convert Object to Hash
...); hash }
– Jordan
Feb 17 '11 at 21:05
8
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How could the UNIX sort command sort a very large file?
The UNIX sort command can sort a very large file like this:
7 Answers
7
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Getting the class name from a static method in Java
... Mode Cnt Score Error Units
StaticClassLookup.MethodHandles_lookup_lookupClass avgt 30 3.630 ± 0.024 ns/op
StaticClassLookup.AnonymousObject_getClass_enclosingClass avgt 30 282.486 ± 1.980 ns/op
StaticCl...
What are best practices for validating email addresses on iOS 2.0
...if the user actually exists.
In this way you can catch all kinds of user errors and make sure it is a valid email.
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