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What happens to global and static variables in a shared library when it is dynamically linked?
...Mikael Persson
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Counting array elements in Python [duplicate]
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304
The method len() returns the number of elements in the list.
Syntax:
len(myArray)
Eg:
myArr...
history.replaceState() example?
..."title"
– newshorts
Nov 7 '16 at 18:49
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How to import multiple .csv files at once?
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274
Something like the following should result in each data frame as a separate element in a single ...
Targeting .NET Framework 4.5 via Visual Studio 2010
Today I installed the .NET Framework 4.5 on my machine expecting to be able to use it from Visual Studio 2010, since it's just a minor update that should't pose problems for Visual Studio 2010. Unfortunately I am not, even manually removing certain 4.0 and adding the corresponding 4.5 assemblies r...
Git 工具 - 子模块(submodule)：一个仓库包含另一个仓库 - 开源 & Github -...
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$ git submodule update --init --recursive
Submodule path 'vendor/plugins/demo': checked out '48679c6302815f6c76f1fe30625d795d9e55fc56'
$ git status
On branch master
Your branch is up-to-date with 'origin/master'.
nothing to commit, working tree clean
请注意，为安全起见，如...
Rails: Open link in new tab (with 'link_to')
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edited Feb 15 '17 at 20:45
Miles Prower
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answered Aug 26 '12 at 21:11
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Getting distance between two points based on latitude/longitude
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lat1 = radians(52.2296756)
lon1 = radians(21.0122287)
lat2 = radians(52.406374)
lon2 = radians(16.9251681)
dlon = lon2 - lon1
dlat = lat2 - lat1
a = sin(dlat / 2)**2 + cos(lat1) * cos(lat2) * sin(dlon / 2)**2
c = 2 * atan2(sqrt(a), sqrt(1 - a))
distance = R * c
print("Result:", distance)
prin...
How to list imported modules?
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edited Jun 7 '17 at 0:41
gene_wood
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Most efficient method to groupby on an array of objects
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