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Add column with number of days between dates in DataFrame pandas
...f['B']
Out[12]:
one -58 days
two -26 days
dtype: timedelta64[ns]
In [13]: df['C'] = df['A'] - df['B']
In [14]: df
Out[14]:
A B C
one 2014-01-01 2014-02-28 -58 days
two 2014-02-03 2014-03-01 -26 days
Note: ensure you're using a new of pandas (e.g. 0.13.1), this ma...
Why is an int in OCaml only 31 bits?
Haven't seen this "feature" anywhere else. I know that the 32nd bit is used for garbage collection. But why is it that way only for ints and not for the other basic types?
...
How does Duff's device work?
... // Set to 20
{
int n = (count + 7) / 8; // n is now 3. (The "while" is going
// to be run three times.)
switch (count % 8) { // The remainder is 4 (20 modulo 8) so
// jump to the ca...
Rebasing and what does one mean by rebasing pushed commits
...
answered Apr 26 '10 at 16:37
Tim HeniganTim Henigan
52.8k1111 gold badges7979 silver badges7474 bronze badges
...
android button selector
...></item>
</selector>
In this, you can see that there are 3 drawables, you just need to place this button_effect style to your button, as i wrote above. You just need to replace selector_xml_name with button_effect.
...
In HTML5, should the main navigation be inside or outside the element?
...e."?
– Matthew Rankin
Feb 2 '11 at 13:22
7
@Matthew because the nav element is for navigation aro...
Android customized button; changing text color
... |
edited Mar 16 '18 at 13:34
ZooMagic
45766 silver badges1212 bronze badges
answered Jan 14 '11 at 15:...
Difference between git pull and git pull --rebase
...
338
git pull = git fetch + git merge against tracking upstream branch
git pull --rebase = git fet...
C# Regex for Guid
...place(subjectString,
@"(?im)^[{(]?[0-9A-F]{8}[-]?(?:[0-9A-F]{4}[-]?){3}[0-9A-F]{12}[)}]?$",
"'$0'");
This matches the following styles, which are all equivalent and acceptable formats for a GUID.
ca761232ed4211cebacd00aa0057b223
CA761232-ED42-11CE-BACD-00AA0057B223
{CA761232-ED42-11CE...