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best way to preserve numpy arrays on disk
...arge numpy arrays. There are two options for dealing with hdf5 in python:
http://www.pytables.org/
http://www.h5py.org/
Both are designed to work with numpy arrays efficiently.
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Rails render partial with block
...ome content to be rendered inside the partial</p>
</div>
See http://api.rubyonrails.org/classes/ActionView/Helpers/CaptureHelper.html
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Why does Eclipse Java Package Explorer show question mark on some classes?
...ass file, it will have the ? icon.
For other CVS Label Decorations, check http://help.eclipse.org/help33/index.jsp?topic=/org.eclipse.platform.doc.user/reference/ref-cvs-decorations.htm
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What's the difference between “Normal Reload”, “Hard Reload”, and ...
... clear cache only for the troubled URL. It helped me when I was stuck with http to https redirection cache.
Open Chrome developer tools, in Windows I use F12
Check Preserve log to save the log before redirection
Right click the redirected URL and Clear browser cache
This will clear only the trou...
how does array[100] = {0} set the entire array to 0?
...se following syntax:
int array[256] = {[0 ... 255] = 0};
Please look at
http://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc/Designated-Inits.html#Designated-Inits, and note that this is a compiler-specific feature.
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Matplotlib discrete colorbar
...a proper contour routine was
added to matplotlib - see contour_demo.py and
http://matplotlib.sf.net/matplotlib.pylab.html#-contour.
"""
from pylab import *
delta = 0.01
x = arange(-3.0, 3.0, delta)
y = arange(-3.0, 3.0, delta)
X,Y = meshgrid(x, y)
Z1 = bivariate_normal(X, Y, 1.0, 1.0, 0.0, 0.0)
Z...
Update multiple rows in same query using PostgreSQL
..._b = '345' THEN 2
END
WHERE column_b IN ('123','345')
And working proof: http://sqlfiddle.com/#!2/97c7ea/1
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How to map a composite key with JPA and Hibernate?
... name.equals(that.getName()). The first will fail, if that is a proxy.
http://www.laliluna.de/jpa-hibernate-guide/ch06s06.html
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Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
...ich support clone, send-pack /receive-pack with/from shallow clones.
smart-http now supports shallow fetch/clone too.
All the details are in "shallow.c: the 8 steps to select new commits for .git/shallow".
Update June 2015: Git 2.5 will even allow for fetching a single commit!
(Ultimate shallow ca...
Concatenating two one-dimensional NumPy arrays
...is either "r_[...]" or "c_[...]" as shown in the example code beneath (see http://wiki.scipy.org/NumPy_for_Matlab_Users for additional information):
%pylab
vector_a = r_[0.:10.] #short form of "arange"
vector_b = array([1,1,1,1])
vector_c = r_[vector_a,vector_b]
print vector_a
print vector_b
print ...