大约有 2,900 项符合查询结果（耗时：0.0431秒） [XML]
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
...
Sorting 1 million 8-decimal-digit numbers with 1 MB of RAM
...lts are as follows:"
None 4000027
Deflate 2006803
Filtered 1391833
BZip2 427067
Lzma 255040
It looks like LZMA (Lempel–Ziv–Markov chain algorithm) is a good choice to continue with. I've prepared a simple PoC, but there are still some details to be highlighted:
Memory is limite...