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How to determine whether a Pandas Column contains a particular value
...ther the value is in the index:
In [11]: s = pd.Series(list('abc'))
In [12]: s
Out[12]:
0 a
1 b
2 c
dtype: object
In [13]: 1 in s
Out[13]: True
In [14]: 'a' in s
Out[14]: False
One option is to see if it's in unique values:
In [21]: s.unique()
Out[21]: array(['a', 'b', 'c'], dtype=o...
CSS last-child selector: select last-element of specific class, not last child inside of parent?
...
235
:last-child only works when the element in question is the last child of the container, not th...
Adding a regression line on a ggplot
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edited Nov 12 '19 at 13:48
Johannes Stötzer
37322 silver badges1010 bronze badges
answere...
Split code over multiple lines in an R script
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edited Jun 13 '11 at 13:26
answered Jun 13 '11 at 11:55
D...
Most efficient way to store thousand telephone numbers
... the first m bits are 1...11 - this last count is 1000(decimal). There are 2^m such counts and each count is at most 1000. If we omit the last one (because we know it is 1000 anyway), we can store all of these numbers in a contiguous block of (2^m - 1) * 10 bits. (10 bits is enough for storing a num...
Switch statement fallthrough in C#?
... 0), or using the special goto case (see case 1) or goto default (see case 2) forms:
switch (/*...*/) {
case 0: // shares the exact same code as case 1
case 1:
// do something
goto case 2;
case 2:
// do something else
goto default;
default:
//...
What is the difference between children and childNodes in JavaScript?
... Only Elements have .children, and these children are all of type Element. 2
However, .childNodes is a property of Node. .childNodes can contain any node. 3
A concrete example would be:
let el = document.createElement("div");
el.textContent = "foo";
el.childNodes.length === 1; // Contains a Text...
Get number days in a specified month using JavaScript? [duplicate]
...
// Month here is 1-indexed (January is 1, February is 2, etc). This is
// because we're using 0 as the day so that it returns the last day
// of the last month, so you have to add 1 to the month number
// so it returns the correct amount of days
function daysInMonth (month, yea...
jQuery: Get selected element tag name
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edited Aug 13 '14 at 16:32
rgajrawala
1,76611 gold badge1717 silver badges3333 bronze badges
answered M...