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Gulp command not found after install
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iluvpinkertoniluvpinkerton
2,95822 gold badges1111 silver badges1616 bronze badges
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How to sum all the values in a dictionary?
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edited Sep 23 '19 at 20:51
answered Feb 2 '11 at 23:02
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Peak signal detection in realtime timeseries data
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Is there a way to auto-adjust Excel column widths with pandas.ExcelWriter?
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12 Answers
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Active
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“Inner exception” (with traceback) in Python?
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Python 2
It's simple; pass the traceback as the third argument to raise.
import sys
class MyException(Exception): pass
try:
raise TypeError("test")
except TypeError, e:
raise MyException(), None, sys.exc_info()[2]
Alway...
Paste multiple columns together
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edited Apr 25 '17 at 10:53
ShivaT
333 bronze badges
answered Jan 28 '13 at 18:31
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How to get Scala List from Java List?
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EDIT: Note that this is deprecated since 2.12.0. Use JavaConverters instead. (comment by @Yaroslav)
Since Scala 2.8 this conversion is now built into the language using:
import scala.collection.JavaConversions._
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lst.toList.foreach{ node => .... }
works. ...
Call by name vs call by value in Scala, clarification needed
... => Int).
def callByValue(x: Int) = {
println("x1=" + x)
println("x2=" + x)
}
def callByName(x: => Int) = {
println("x1=" + x)
println("x2=" + x)
}
Now what happens when we call them with our side-effecting function?
scala> callByValue(something())
calling something
x1=1
x2=1
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Add to Array jQuery
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For JavaScript arrays, you use push().
var a = [];
a.push(12);
a.push(32);
For jQuery objects, there's add().
$('div.test').add('p.blue');
Note that while push() modifies the original array in-place, add() returns a new jQuery object, it does not modify the original one.
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