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Why is the order in dictionaries and sets arbitrary?
...ctionary in between. That means that d.items() is essentially identical to zip(d.keys(), d.values()). If any items are added to the dictionary however, all bets are off. The order could change completely (if the hash table needed to be resized), though most of the time you'd just find the new item t...
Fast permutation -> number -> permutation mapping algorithms
...ring length. This answer is indeed less efficient.
– 把友情留在无盐
Feb 7 '19 at 1:10
...
Are static class variables possible in Python?
...tance(static,str) for static in mcls.statics[cls]):
typ = dict(zip((not isinstance(static,str) for static in mcls.statics[cls]), map(type,mcls.statics[cls])))[True].__name__
raise TypeError('__statics__ items must be strings, not {0}'.format(typ))
# Move any previousl...
Inline labels in Matplotlib
...ls = np.linspace(xmin,xmax,len(labLines)+2)[1:-1]
for line,x,label in zip(labLines,xvals,labels):
labelLine(line,x,label,align,**kwargs)
Test code to generate the pretty picture above:
from matplotlib import pyplot as plt
from scipy.stats import loglaplace,chi2
from labellines impor...
What is an intuitive explanation of the Expectation Maximization technique? [closed]
..._counts = np.array([5,9,8,4,7])
tail_counts = 10-head_counts
experiments = zip(head_counts,tail_counts)
# initialise the pA(heads) and pB(heads)
pA_heads = np.zeros(100); pA_heads[0] = 0.60
pB_heads = np.zeros(100); pB_heads[0] = 0.50
# E-M begins!
delta = 0.001
j = 0 # iteration counter
improve...
Does PHP have threading?
... that is compatible with your php version.
Copy php_pthreads.dll (from the zip you just downloaded) into your php extension folder ([phpDirectory]/ext).
Copy pthreadVC2.dll into [phpDirectory] (the root folder - not the extension folder).
Edit [phpDirectory]/php.ini and insert the following line
ex...
How to get HTTP Response Code using Selenium WebDriver
... // images
// options.addExtensions(new File(file, "proxy.zip"));
// options.addExtensions(new File("extensions",
// "Block-image_v1.1.crx"));
DesiredCapabilities cap = DesiredCapabilities.chrome();
cap.setCapability(ChromeOptions.CAP...
What is the maven-shade-plugin used for, and why would you want to relocate Java packages?
...ruct it what dependencies to pull into the uber JAR (basically, they are unzipped and and re-packaged alongside elasticsearch's own classes when the target elasticsearch jar is produced. (In case you didn't know this already, a JAR file is just a ZIP file that contains the program's classes, resourc...
Objective-C categories in static library
... nothing than an archive of object (.o) files. Think of a TAR archive or a ZIP archive without compression. It's just easier to copy a single .a file around than a whole bunch of .o files (similar to Java, where you pack .class files into a .jar archive for easy distribution).
When linking a binar...
Is Java really slow?
...sly over the intervening years. However, there is a problem with using the zip archive format for rt.jar (why?!!!) and the contained class files are not linked (nuts!!).
– Tom Hawtin - tackline
Jan 29 '10 at 18:31
...