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How to use z-index in svg elements?
...t;!-- First draw the orange circle -->
<circle fill="orange" cx="100" cy="95" r="20"/>
<!-- Then draw the green circle over the current canvas -->
<circle fill="green" cx="100" cy="105" r="20"/>
</svg>
Here the fork of your jsFiddle.
Solution (alte...
Use numpy array in shared memory for multiprocessing
...()
logger.setLevel(logging.INFO)
# create shared array
N, M = 100, 11
shared_arr = mp.Array(ctypes.c_double, N)
arr = tonumpyarray(shared_arr)
# fill with random values
arr[:] = np.random.uniform(size=N)
arr_orig = arr.copy()
# write to arr from different proce...
Pass parameter to fabric task
...text, version):
...
Run it as follows:
fab -H host deploy --version v1.2.3
Fabric even documents the options automatically:
$ fab --help deploy
Usage: fab [--core-opts] deploy [--options] [other tasks here ...]
Docstring:
none
Options:
-v STRING, --version=STRING
...
How can I get a java.io.InputStream from a java.lang.String?
...tringBuilder sample = new StringBuilder();
while (sample.length() < 100 * 1000) {
sample.append("sample");
}
Writer writer = new OutputStreamWriter(
new DataHandler(), "UTF-16");
writer.write(sample.toString());
writer.close();
}
}
The JVM implementation I'm...
Android Bitmap to Base64 String
... new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream);
byte[] byteArray = byteArrayOutputStream .toByteArray();
to encode base64 from byte array use following method
String encoded = Base64.encodeToString(byteArray, Base64.DEFAULT);
...
Generate colors between red and green for a power meter?
...ues. Assuming your max red/green/blue value is 255, and n is in range 0 .. 100
R = (255 * n) / 100
G = (255 * (100 - n)) / 100
B = 0
(Amended for integer maths, tip of the hat to Ferrucio)
Another way to do would be to use a HSV colour model, and cycle the hue from 0 degrees (red) to 120 degree...
Specify custom Date format for colClasses argument in read.table/read.csv
...="20150711-130153")
str(d)
## 'data.frame': 1 obs. of 1 variable:
## $ V1: POSIXct, format: "2015-07-11 13:01:53"
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...
Creating a range of dates in Python
...with today, and going back an arbitrary number of days, say, in my example 100 days. Is there a better way to do it than this?
...
from jquery $.ajax to angular $http
...ely (also please note parameters of each callback) - Deprecated in angular v1.5
use then function instead.
More info of then usage can be found here
The above is just a quick example and some pointers, be sure to check AngularJS documentation for more: http://docs.angularjs.org/api/ng.$http
...
Using numpy to build an array of all combinations of two arrays
...
@pv's solution
In [113]:
%timeit cartesian(([1, 2, 3], [4, 5], [6, 7]))
10000 loops, best of 3: 135 µs per loop
In [114]:
cartesian(([1, 2, 3], [4, 5], [6, 7]))
Out[114]:
array([[1, 4, 6],
[1, 4, 7],
[1, 5, 6],
[1, 5, 7],
[2, 4, 6],
[2, 4, 7],
[2, 5, 6...