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How to initialize a private static const map in C++?
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{
map<int,int> m;
m[1] = 2;
m[3] = 4;
m[5] = 6;
return m;
}
static const map<int,int> myMap;
};
const map<int,int> A:: myMap = A::create_map();
int main() {
}
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How to use the “number_to_currency” helper method in the model rather than view?
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103
It’s not available because its use in a model (typically) violates MVC (and it does seem to in...
PHP code to remove everything but numbers
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Try this:
preg_replace('/[^0-9]/', '', '604-619-5135');
preg_replace uses PCREs which generally start and end with a /.
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What is the memory consumption of an object in Java?
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183
Mindprod points out that this is not a straightforward question to answer:
A JVM is free to ...
Most efficient way to create a zero filled JavaScript array?
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answered Apr 27 '14 at 17:30
OriolOriol
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Real life example, when to use OUTER / CROSS APPLY in SQL
...xec_query_stats AS qs
CROSS APPLY sys.dm_exec_query_plan(qs.plan_handle)
3) Reusing a column alias
SELECT number,
doubled_number,
doubled_number_plus_one
FROM master..spt_values
CROSS APPLY (SELECT 2 * CAST(number AS BIGINT)) CA1(doubled_number)
CROSS APPLY (SELECT doubled_number...
What do 3 dots next to a parameter type mean in Java?
What do the 3 dots following String in the following method mean?
12 Answers
12
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How to get a value from a cell of a dataframe?
...row as a Series using iloc, and then the value using the column name:
In [3]: sub_df
Out[3]:
A B
2 -0.133653 -0.030854
In [4]: sub_df.iloc[0]
Out[4]:
A -0.133653
B -0.030854
Name: 2, dtype: float64
In [5]: sub_df.iloc[0]['A']
Out[5]: -0.13365288513107493
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Calculate age given the birth date in the format YYYYMMDD
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253
I would go for readability:
function _calculateAge(birthday) { // birthday is a date
var ag...