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PHP Foreach Pass by Reference: Last Element Duplicating? (Bug?)
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170
After the first foreach loop, $item is still a reference to some value which is also being use...
Is there a builtin identity function in python?
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100
Doing some more research, there is none, a feature was asked in issue 1673203 And from Raymond...
Convert timedelta to total seconds
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401
Use timedelta.total_seconds().
>>> import datetime
>>> datetime.timedelta(sec...
python assert with and without parenthesis
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130
The last assert would have given you a warning (SyntaxWarning: assertion is always true, perha...
How to get the last N rows of a pandas DataFrame?
I have pandas dataframe df1 and df2 (df1 is vanila dataframe, df2 is indexed by 'STK_ID' & 'RPT_Date') :
3 Answers
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Email Address Validation in Android on EditText [duplicate]
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edited Feb 21 at 13:14
milosmns
2,53933 gold badges2727 silver badges3838 bronze badges
an...
How to quit scala 2.11.0 REPL?
In the last version of scala (2.10.3) REPL, I can type exit to quit from REPL. However, in Scala 2.11.0 this doesn't work.
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How to override trait function and call it from the overridden function?
...one was almost there:
trait A {
function calc($v) {
return $v+1;
}
}
class MyClass {
use A {
calc as protected traitcalc;
}
function calc($v) {
$v++;
return $this->traitcalc($v);
}
}
The trait is not a class. You can't access its member...
Check if a table exists in Rails
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edited Mar 29 '17 at 2:24
answered Jul 5 '11 at 23:49
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How to flatten only some dimensions of a numpy array
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129
Take a look at numpy.reshape .
>>> arr = numpy.zeros((50,100,25))
>>> arr.s...