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How can I map True/False to 1/0 in a Pandas DataFrame?
...rectly on Frames
In [104]: df = DataFrame(dict(A = True, B = False),index=range(3))
In [105]: df
Out[105]:
A B
0 True False
1 True False
2 True False
In [106]: df.dtypes
Out[106]:
A bool
B bool
dtype: object
In [107]: df.astype(int)
Out[107]:
A B
0 1 0
1 1 0
2 ...
How can I prevent the backspace key from navigating back?
...email", "number", "date", "color", "datetime", "datetime-local", "month", "range", "search", "tel", "time", "url", "week"];
var d = $(event.srcElement || event.target);
var disabled = d.prop("readonly") || d.prop("disabled");
if (!disabled) {
if (d[0].isContentEdi...
Going to a specific line number using Less in Unix
... '320123'p filename
This will print line number 320123.
If you want a range then you can do -
sed -n '320123,320150'p filename
If you want from a particular line to the very end then -
sed -n '320123,$'p filename
...
How best to determine if an argument is not sent to the JavaScript function
...ethod is ideal - indeed, it is often used to quickly eliminate such a wide range of values from consideration.
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Calculate last day of month in JavaScript
...ues as mine for years 1-4000. jsfiddle.net/2973x9m3/3 What additional date range are you claiming this will support (that would be of use)? :)
– Gone Coding
Feb 23 '15 at 20:04
...
hash function for string
...ash resolution) or else a power of 2 (so reducing the value to the correct range can be done with a simple bit-mask).
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How to convert a NumPy array to PIL image applying matplotlib colormap
...value at 1.0.
Apply the colormap directly to myarray.
Rescale to the 0-255 range.
Convert to integers, using np.uint8().
Use Image.fromarray().
And you're done:
from PIL import Image
from matplotlib import cm
im = Image.fromarray(np.uint8(cm.gist_earth(myarray)*255))
with plt.savefig():
with...
Selecting multiple columns in a pandas dataframe
...columns=list('ABCDEF'),
index=['R{}'.format(i) for i in range(100)])
df.head()
Out:
A B C D E F
R0 99 78 61 16 73 8
R1 62 27 30 80 7 76
R2 15 53 80 27 44 77
R3 75 65 47 30 84 86
R4 18 9 41 62 1 82
To get the columns from C to E ...
DefaultInlineConstraintResolver Error in WebAPI 2
...", typeof(MinRouteConstraint) },
{ "max", typeof(MaxRouteConstraint) },
{ "range", typeof(RangeRouteConstraint) },
// Regex-based constraints
{ "alpha", typeof(AlphaRouteConstraint) },
{ "regex", typeof(RegexRouteConstraint) }
...
How to copy part of an array to another array in C#?
...d that information here, in case anyone else was searching for how to do a ranged copy as a partial answer to the question of resizing an array.
For anyone else finding this question looking for the same thing I was, it is very simple:
Array.Resize<T>(ref arrayVariable, newSize);
where T i...