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Flatten nested dictionaries, compressing keys

...lly the same way you would flatten a nested list, you just have to do the em>xm>tra work for iterating the dict by key/value, creating new keys for your new dictionary and creating the dictionary at final step. import collections def flatten(d, parent_key='', sep='_'): items = [] for k, v in d...
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Overloading Macro on Number of Arguments

...OO2)(__VA_ARGS__) So if you have these macros: FOO(World, !) # em>xm>pands to FOO2(World, !) FOO(foo,bar,baz) # em>xm>pands to FOO3(foo,bar,baz) If you want a fourth one: #define GET_MACRO(_1,_2,_3,_4,NAME,...) NAME #define FOO(...) GET_MACRO(__VA_ARGS__, FOO4, FOO3, FOO2)(__VA_ARGS__) F...
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Splitting a list into N parts of approm>xm>imately equal length

What is the best way to divide a list into roughly equal parts? For em>xm>ample, if the list has 7 elements and is split it into 2 parts, we want to get 3 elements in one part, and the other should have 4 elements. ...
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Simpler way to create dictionary of separate variables?

...his? dict( (name,eval(name)) for name in ['some','list','of','vars'] ) Em>xm>ample >>> some= 1 >>> list= 2 >>> of= 3 >>> vars= 4 >>> dict( (name,eval(name)) for name in ['some','list','of','vars'] ) {'list': 2, 'some': 1, 'vars': 4, 'of': 3} ...
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Cannot run Eclipse; JVM terminated. Em>xm>it code=13

... 1 2 Nem>xm>t 132 ...
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Does R have an assert statement as in python?

...t checks if something is true and if not prints a given error message and em>xm>its 3 Answers ...
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How do I get the collection of Model State Errors in ASP.NET MVC?

...ewData.ModelState.IsValid %> or <% ViewData.ModelState.Values.Any(m>xm> => m>xm>.Errors.Count >= 1) %> and for a specific property... <% ViewData.ModelState["Property"].Errors %> // Note this returns a collection ...
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Display number with leading zeros

... Em>xm>ample: print "%05d" % result['postalCode'] for a 5 digit postal code. – Nick Woodhams Jun 5 '12 at 12:08 ...
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How to quit scala 2.11.0 REPL?

In the last version of scala (2.10.3) REPL, I can type em>xm>it to quit from REPL. However, in Scala 2.11.0 this doesn't work. ...
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git switch branch without discarding local changes

...wo commits per stash entry, in an unusual arrangement—are on no branch. Em>xm>cept for very short term special cases, though, I generally prefer making a normal commit. You can git reset --soft or git reset --mim>xm>ed later, or use git commit --amend to shove it aside, when you're back to working on that...