大约有 43,630 项符合查询结果(耗时:0.0316秒) [XML]

https://stackoverflow.com/ques... 

What's the 'Ruby way' to iterate over two arrays at once

... 277 >> @budget = [ 100, 150, 25, 105 ] => [100, 150, 25, 105] >> @actual = [ 120, 1...
https://stackoverflow.com/ques... 

Python list subtraction operation

... 12 Answers 12 Active ...
https://stackoverflow.com/ques... 

Python matplotlib multiple bars

... 112 import matplotlib.pyplot as plt from matplotlib.dates import date2num import datetime x = [ ...
https://stackoverflow.com/ques... 

Using python map and other functional tools

... different functions, but to access it directly from maptest: foos = [1.0,2.0,3.0,4.0,5.0] bars = [1,2,3] def maptest(foo): print foo, bars map(maptest, foos) With your original maptest function you could also use a lambda function in map: map((lambda foo: maptest(foo, bars)), foos) ...
https://stackoverflow.com/ques... 

How to delete multiple values from a vector?

... a vector like: a = c(1:10) and I need to remove multiple values, like: 2, 3, 5 8 Answers ...
https://stackoverflow.com/ques... 

How to reorder data.table columns (without copying)

... 2 Answers 2 Active ...
https://stackoverflow.com/ques... 

Frequency table for a single variable

...s()? >>> import pandas >>> my_series = pandas.Series([1,2,2,3,3,3, "fred", 1.8, 1.8]) >>> my_series 0 1 1 2 2 2 3 3 4 3 5 3 6 fred 7 1.8 8 1.8 >>> counts = my_series.value_counts() >>> counts 3 3 2 ...
https://stackoverflow.com/ques... 

What is the difference between Ruby 1.8 and Ruby 1.9

..."cat"[1] => 97 {"a","b"} No Longer Supported Ruby 1.9 irb(main):002:0> {1,2} SyntaxError: (irb):2: syntax error, unexpected ',', expecting tASSOC Ruby 1.8.6 irb(main):001:0> {1,2} => {1=>2} Action: Convert to {1 => 2} Array.to_s Now Contains Punctuation Ruby 1.9 irb...
https://stackoverflow.com/ques... 

tmux set -g mouse-mode on doesn't work

... So this option has been renamed in version 2.1 (18 October 2015) From the changelog: Mouse-mode has been rewritten. There's now no longer options for: - mouse-resize-pane - mouse-select-pane - mouse-select-window - mode-mouse Instead there is ju...