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Remove carriage return in Unix
...mac? I've noticed Darwin sed seems to have different commands and feature sets by default than most Linux versions...
– jsh
Jan 23 '14 at 17:51
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Git branch diverged after rebase
... If you're not collaborating, push the branch using push -f. If you are, reset the branch to the previous state, and merge in the source branch, instead.
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python plot normal distribution
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I believe that is important to set the height, so created this function:
def my_gauss(x, sigma=1, h=1, mid=0):
from math import exp, pow
variance = pow(sdev, 2)
return h * exp(-pow(x-mid, 2)/(2*variance))
Where sigma is the standard deviatio...
Why is Everyone Choosing JSON Over XML for jQuery? [closed]
...erywhere. I even see large companies switching over to JSON . Even Microsoft has integrated support for JSON. What is all the hype over JSON?
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Read specific columns from a csv file with csv module?
I'm trying to parse through a csv file and extract the data from only specific columns.
11 Answers
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How do I find the duplicates in a list and create another list with them?
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To remove duplicates use set(a). To print duplicates, something like:
a = [1,2,3,2,1,5,6,5,5,5]
import collections
print([item for item, count in collections.Counter(a).items() if count > 1])
## [1, 2, 5]
Note that Counter is not particularly...
What is the difference between bottom-up and top-down?
...97 linked a dynamic programming example of finding the maximum independent set in a tree, which corresponds to filling in the blanks in a tree.
(At it's most general, in a "dynamic programming" paradigm, I would say the programmer considers the whole tree, then writes an algorithm that implements...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
...with 'origin/master'.
Changes to be committed:
(use "git reset HEAD <file>..." to unstage)
new file: .gitmodules
new file: DbConnector
首先应当注意到新的 .gitmodules 文件。 该配置文件保存了项目 URL 与已经拉取的本地目录之间的映射：
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How do you clear a slice in Go?
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@ChrisWeber: just iterate over the underlying array and set all the elements to a new value
– newacct
Jun 7 '13 at 14:02
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Python threading.timer - repeat function every 'n' seconds
... fire off a function every 0.5 seconds and be able to start and stop and reset the timer. I'm not too knowledgeable of how Python threads work and am having difficulties with the python timer.
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