大约有 40,000 项符合查询结果(耗时:0.0456秒) [XML]

https://stackoverflow.com/ques... 

Rails 2.3-style plugins and deprecation warnings running task in Heroku

... Yep, I realize that all the warnings came from my Heroku scripts and logs. I'll assume that (a) it's the plugin injections and (b) that the Heroku team will fix this before it becomes an actual problem. – fearless_fool ...
https://stackoverflow.com/ques... 

Removing Data From ElasticSearch

...lasticSearch. I have deleted my indexes. However, that doesn't seem to actually remove the data itself. The other stuff I've seen points to the Delete by Query feature. However, I'm not even sure what to query on. I know my indexes. Essentially, I'd like to figure out how to do a ...
https://stackoverflow.com/ques... 

Rolling median algorithm in C

...milar too in a standalone C++ class / C subroutine. Note that this are actually two implementations in one, see src/library/stats/man/runmed.Rd (the source of the help file) which says \details{ Apart from the end values, the result \code{y = runmed(x, k)} simply has \code{y[j] = median(x[(j-k2...
https://stackoverflow.com/ques... 

Render HTML to PDF in Django site

... Try the solution from Reportlab. Download it and install it as usual with python setup.py install You will also need to install the following modules: xhtml2pdf, html5lib, pypdf with easy_install. Here is an usage example: First define this function: import cStringIO as Str...
https://stackoverflow.com/ques... 

libpthread.so.0: error adding symbols: DSO missing from command line

...nd line after the object files being compiled: gcc -Wstrict-prototypes -Wall -Wno-sign-compare -Wpointer-arith -Wdeclaration-after-statement -Wformat-security -Wswitch-enum -Wunused-parameter -Wstrict-aliasing -Wbad-function-cast -Wcast-align -Wstrict-prototypes -Wold-style-definition -Wmissing-pr...
https://stackoverflow.com/ques... 

How can I implement a tree in Python?

... I came across this answer via Google. This library is really nice. I especially love the ability to use the mixin class to make an tree of any object! – Rÿck Nöthing Mar 8 '19 at 1:21 ...
https://stackoverflow.com/ques... 

class

...lass << foo syntax opens up foo's singleton class (eigenclass). This allows you to specialise the behaviour of methods called on that specific object. a = 'foo' class << a def inspect '"bar"' end end a.inspect # => "bar" a = 'foo' # new object, new singleton class a.insp...
https://stackoverflow.com/ques... 

How do I uniquely identify computers visiting my web site?

..., fingerprints changed quite rapidly, but even a simple heuristic was usually able to guess when a fingerprint was an “upgraded” version of a previously observed browser’s fingerprint, with 99.1% of guesses correct and a false positive rate of only 0.86%. We discuss what privacy thr...
https://stackoverflow.com/ques... 

import module from string variable

... Finally, also remember that you can't import anything if there is no __init__.py in the folder with file you are trying to import. – Seanny123 Dec 6 '13 at 7:31 ...
https://stackoverflow.com/ques... 

Are lists thread-safe?

... data is not protected. For example: L[0] += 1 is not guaranteed to actually increase L[0] by one if another thread does the same thing, because += is not an atomic operation. (Very, very few operations in Python are actually atomic, because most of them can cause arbitrary Python code to be call...