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...淘宝的系统有了解，淘宝的秒杀活动，本质上是用输验证码并在CDN上把用户直接过滤掉了，比如：1千万个用户过滤了只剩2万个用户，这样数据库就顶得住了）
其三，有人拿这个系统和奥运会的票务系统比较。我觉得还是不...
Rolling or sliding window iterator?
...
I like tee():
from itertools import tee, izip
def window(iterable, size):
iters = tee(iterable, size)
for i in xrange(1, size):
for each in iters[i:]:
next(each, None)
return izip(*iters)
for each in window(xrange(6), 3):
print l...
What is the full path to the Packages folder for Sublime text 2 on Mac OS Lion
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Also try sublime.installed_packages_path() for zipped packages
– unifreak
Dec 11 '19 at 3:12
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Is there a NumPy function to return the first index of something in an array?
...) rows, columns = np.where(array==item); first_idx = sorted([r for r, c in zip(rows, columns) if c == 0])[0]
– BrT
Jan 15 '13 at 13:44
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What's the best way to distribute Java applications? [closed]
...nload it if it's not already installed. You can send the exe file as is or zip it with possible dependencies (or let the program download the extra dependencies from the net on startup). It's also free, as in beer and speech, which may (or may not) be a good thing.
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Preserving order with LINQ
...ect
OfType
Prepend (new in .net 4.7.1)
Skip
SkipWhile
Take
TakeWhile
Where
Zip (new in .net 4)
Destroys Order - we don't know what order to expect results in.
ToDictionary
ToLookup
Redefines Order Explicitly - use these to change the order of the result
OrderBy
OrderByDescending
Reverse
Then...
How do I import the javax.servlet API in my Eclipse project?
...at, Oracle GlassFish, JBoss AS/WildFly, etc. Usually, just downloading the ZIP file and extracting it is sufficient. In case of Tomcat, do not download the EXE format, that's only for Windows based production environments. See also a.o. Several ports (8005, 8080, 8009) required by Tomcat Server at l...
How do I get java logging output to appear on a single line?
...which makes output like:
2014-09-02 16:44:57 SEVERE org.jboss.windup.util.ZipUtil unzip: Failed to load: foo.zip
2) Putting it to IDEs
IDEs typically let you set system properties for a project.
E.g. in NetBeans, instead of adding -D...=... somewhere, add the property in the action dialog, in a ...
wget/curl large file from google drive
... directories.
Tested on Google Colab.
Works best on file download.
Use tar/zip to make it a single file.
Example: to download the readme file from this directory
gdown https://drive.google.com/uc?id=0B7EVK8r0v71pOXBhSUdJWU1MYUk
...
How to get the index of a maximum element in a numpy array along one axis
...rnatively, you can convert to a list of x,y coordinates by:
x_y_coords = zip(indices[0], indices[1])
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