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Zooming MKMapView to fit annotation pins?

...ew.h: // Position the map such that the provided array of annotations are all visible to the fullest extent possible. - (void)showAnnotations:(NSArray *)annotations animated:(BOOL)animated NS_AVAILABLE(10_9, 7_0); share ...
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Git: fatal: Pathspec is in submodule

I'm trying to get TravisCI to automatically deploy my Hakyll static site, according to this guide . 5 Answers ...
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pandas GroupBy columns with NaN (missing) values

...n the Missing Data section of the docs: NA groups in GroupBy are automatically excluded. This behavior is consistent with R, for example. One workaround is to use a placeholder before doing the groupby (e.g. -1): In [11]: df.fillna(-1) Out[11]: a b 0 1 4 1 2 -1 2 3 6 In [12]: df.fil...
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How do I get a list of all the duplicate items using pandas in python?

...rt issues. I would like to get a list of the duplicate items so I can manually compare them. When I try to use pandas duplicated method , it only returns the first duplicate. Is there a a way to get all of the duplicates and not just the first one? ...
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How can you dynamically create variables via a while loop? [duplicate]

I want to create variables dynamically via a while loop in Python. Does anyone have any creative means of doing this? 8 Ans...
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Forward declaration of a typedef in C++

... +1 in the end because while you technically can't "forward-typedef" (i.e. you can't write "typedef A;"), you can almost certainly accomplish what the OP wants to accomplish using your trick above. – j_random_hacker Apr 30 '09...
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One-liner to recursively list directories in Ruby?

... Dir.glob("**/*/") # for directories Dir.glob("**/*") # for all files Instead of Dir.glob(foo) you can also write Dir[foo] (however Dir.glob can also take a block, in which case it will yield each path instead of creating an array). Ruby Glob Docs ...
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搭建高可用mongodb集群(三)—— 深入副本集内部机制 - 大数据 & AI - 清...

...为1是不显示的,这里标示出来。 rs.conf(); { "_id" : "rs0", "version" : 9, "members" : [ { "_id" : 0, "host" : "192.168.1.136:27017" }, { ...
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How do I use raw_input in Python 3

... There was originally a function input() which acted something like the current eval(input()). It was a leftover from when Python was less security conscious. The change simplified the language. See also "import this" for a deeper explanat...
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What does static_assert do, and what would you use it for?

...fined (as one would expect in a C++ library). Contrast with having to actually compile SomeLibrary and your code, link everything, and run the executable only then to find out that you spent 30 minutes compiling an incompatible version of SomeLibrary. @Arak, in response to your comment: yes, you ...