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Fit Image in ImageButton in Android
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Try to use android:scaleType="fitXY" in i-Imagebutton xml
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plot a circle with pyplot
...
#!/usr/bin/python
import matplotlib.pyplot as plt
import numpy as np
def xy(r,phi):
return r*np.cos(phi), r*np.sin(phi)
fig = plt.figure()
ax = fig.add_subplot(111,aspect='equal')
phis=np.arange(0,6.28,0.01)
r =1.
ax.plot( *xy(r,phis), c='r',ls='-' )
plt.show()
Or, if you prefer, look at t...
Why doesn't Git ignore my specified file?
...hich itself is the repository's root. Like when you clone a repository to /xy/ then /xy/ is your working directory with /xy/.git/ inside.
– poke
Sep 30 '10 at 18:39
3
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Unpacking, extended unpacking and nested extended unpacking
...g substitutions are valid on the right side of the = (i.e. for rvalues):
'XY' -> ('X', 'Y')
['X', 'Y'] -> ('X', 'Y')
If you find that a value doesn't get unpacked, then you'll undo the substitution. (See below for further explanation.)
Also, when you see "naked" commas, pretend there's a t...
How to do a scatter plot with empty circles in Python?
...om matplotlib.patches import Circle # $matplotlib/patches.py
def circle( xy, radius, color="lightsteelblue", facecolor="none", alpha=1, ax=None ):
""" add a circle to ax= or current axes
"""
# from .../pylab_examples/ellipse_demo.py
e = Circle( xy=xy, radius=radius )
if ax ...
LEFT OUTER JOIN in LINQ
... ,UserGroupId = groups.ID
,GroupName = groups.Name
}
);
var xy = (query2).ToList();
When used with LINQ 2 SQL it will translate nicely to the following very legible SQL query:
SELECT
users.USR_ID AS UserId
,users.USR_User AS UserName
,groups.ID AS UserGroupId
,...
How do I compare version numbers in Python?
...1.3.a4"), version.Version)
True
>>> isinstance(version.parse("1.3.xy123"), version.LegacyVersion)
True
>>> version.Version("1.3.xy123")
Traceback (most recent call last):
...
packaging.version.InvalidVersion: Invalid version: '1.3.xy123'
packaging.version.parse is a third-party u...
adding directory to sys.path /PYTHONPATH
...i need to caffe to my python path. I can add it's path to the file
/home/xy/.bashrc by add
export PYTHONPATH=/home/xy/caffe-master/python:$PYTHONPATH.
to my /home/xy/.bashrc file.
But when I use pycharm, the path is still not in.
So I can add path to PYTHONPATH variable, by run -> edit Con...
Does the ternary operator exist in R?
...yntax.
`%?%` <- function(x, y) list(x = x, y = y)
`%:%` <- function(xy, z) if(xy$x) xy$y else z
TRUE %?% rnorm(5) %:% month.abb
## [1] 0.05363141 -0.42434567 -0.20000319 1.31049766 -0.31761248
FALSE %?% rnorm(5) %:% month.abb
## [1] "Jan" "Feb" "Mar" "Apr" "May" "Jun" "Jul" "Aug" "Sep" "Oc...
warning about too many open figures
...e(3*i)
y = [n*n for n in x]
ax.add_patch(patches.Rectangle(xy=(i, 1), width=i, height=10))
plt.step(x, y, linewidth=2, where='mid')
figname = 'fig_{}.png'.format(i)
dest = os.path.join(path, figname)
plt.savefig(dest) # write image to file
plt...