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Map enum in JPA with fixed values?
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For versions earlier than JPA 2.1, JPA provides only two ways to deal with enums, by their name or by their ordinal. And the standard JPA doesn't support custom types. So:
If you want to do custom type conversions, you'll have to use a provider extensi...
Bash command to sum a column of numbers [duplicate]
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edited Nov 9 '12 at 18:14
answered Jun 22 '10 at 19:47
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How might I convert a double to the nearest integer value?
...sibly in conjunction with MidpointRounding.AwayFromZero
eg:
Math.Round(1.2) ==> 1
Math.Round(1.5) ==> 2
Math.Round(2.5) ==> 2
Math.Round(2.5, MidpointRounding.AwayFromZero) ==> 3
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What's the best way to convert a number to a string in JavaScript? [closed]
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23 Answers
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Backing beans (@ManagedBean) or CDI Beans (@Named)?
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BozhoBozho
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Which is the fastest algorithm to find prime numbers?
... mmcdole
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answered Jan 17 '09 at 18:45
Greg HewgillGreg Hewgill
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Outline effect to text
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edited Jan 23 at 21:44
Klesun
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ans...
Pro JavaScript programmer interview questions (with answers) [closed]
... i < l; i++) {
result += arguments[i];
}
return result;
}
sum(1,2,3); // 6
And they should invoke it on your array like this (context for apply can be whatever, I usually use null in that case):
var data = [1,2,3];
sum.apply(null, data); // 6
If they've got those answers, they probab...
Appending to an empty DataFrame in Pandas?
... pd.DataFrame({"A": range(3)})
>>> df.append(data)
A
0 0
1 1
2 2
But the append doesn't happen in-place, so you'll have to store the output if you want it:
>>> df
Empty DataFrame
Columns: []
Index: []
>>> df = df.append(data)
>>> df
A
0 0
1 1
2 2
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